CN111438292B - Mold for manufacturing condenser end plate, punch device and manufacturing method - Google Patents
Mold for manufacturing condenser end plate, punch device and manufacturing method Download PDFInfo
- Publication number
- CN111438292B CN111438292B CN202010377461.6A CN202010377461A CN111438292B CN 111438292 B CN111438292 B CN 111438292B CN 202010377461 A CN202010377461 A CN 202010377461A CN 111438292 B CN111438292 B CN 111438292B
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- punching
- hole flanging
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 238000004080 punching Methods 0.000 claims abstract description 131
- 238000005520 cutting process Methods 0.000 claims description 55
- 239000000463 material Substances 0.000 claims description 42
- 238000010008 shearing Methods 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
- B21D19/088—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for flanging holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a mold for manufacturing a condenser end plate, a punching device and a manufacturing method, and the technical scheme is that the mold comprises an upper chopping block and a lower chopping block which are fixed on a punching machine, wherein a punching fixed template and a hole flanging fixed template are respectively arranged on the lower chopping block, punching needles are arranged below the upper chopping block, and a plurality of hole flanging needles are also arranged below the upper chopping block; the lower chopping block is further provided with a lower forming assembly, the lower part of the upper chopping block is further provided with an upper forming assembly which is driven by the lower chopping block to move and is matched with the lower forming assembly to punch and form a workpiece after hole flanging, and the punching device comprises a feeder, a straightening module and a punching machine fixedly connected with a die, and the die is driven by the punching machine to move to automatically punch out a condenser end plate at one time, so that the production efficiency and the product quality can be greatly improved.
Description
[ Field of technology ]
The invention relates to a die, a punch device and a manufacturing method for manufacturing an end plate of an automatic punching condenser.
[ Background Art ]
In the prior art, when manufacturing the end plate of the condenser, the production efficiency is lower, the labor consumption is more, and the cost is higher.
The present invention has been made based on this situation.
[ Invention ]
The invention aims to overcome the defects of the prior art and provides a die, a punch device and a manufacturing method for manufacturing a condenser end plate, wherein the die, the punch device and the manufacturing method are high in production efficiency, reliable in performance and high in automation degree.
The invention is realized by the following technical scheme:
A mold for manufacturing a condenser end plate, which is characterized in that: the punching machine comprises an upper chopping block 1 and a lower chopping block 2 which are fixed on a punch 28, wherein a connecting column 11 fixedly connected with the punch 28 is arranged on the upper surface of the upper chopping block 1, a punching fixed template 5 and a hole flanging fixed template 6 are respectively arranged on the lower chopping block 2, a plurality of punching needles 12 driven by the lower chopping block 2 to move to punch a workpiece 10 on the punching fixed template 5 are arranged below the upper chopping block 1, and a plurality of hole flanging needles 13 driven by the lower chopping block 2 to move to hole flanging the workpiece 10 punched on the hole flanging fixed template 6 are also arranged below the upper chopping block 1; the lower chopping block 2 is provided with a lower forming assembly 3, and an upper forming assembly 4 which is driven by the lower chopping block 2 to move and is matched with the lower forming assembly 3 to punch and form a workpiece 10 after hole flanging is arranged below the upper chopping block 1.
The mold for manufacturing the condenser end plate as described above is characterized in that: the lower molding assembly 3 comprises a first template 301 arranged above the lower chopping board 2, a U-shaped second template 302 is arranged around three sides of the first template 301, a first lower shear plate 303 and a second lower shear plate 304 are respectively arranged on two opposite outer sides of the first template 301, the first lower shear plate 303 and the second lower shear plate 304 are both fixed on the lower chopping board 2, and the second lower shear plate 304 is positioned between the second template 302 and the hole flanging fixed template 6; the upper molding assembly 4 comprises a third template 401 fixed on the upper cutting board 1, a fourth template 402 in a frame shape is fixed on the bottom surface of the third template 401, two opposite sides of the fourth template 402 are provided with placing openings 406, a first upper cutting board 404 matched with the first lower cutting board 303 and a second upper cutting board 405 matched with the second lower cutting board 304 are respectively arranged in the two placing openings 406, a fifth template 403 is hung below the third template 401, and the fifth template 403 is arranged in the middle of the frame shape of the fourth template 402.
The mold for manufacturing the condenser end plate as described above is characterized in that: a punching movable die plate 7 and a hole flanging movable die plate 8 are respectively fixed at the bottom of the upper cutting board 1, a punching material returning plate 9 is hung on the punching movable die plate 7, a hole flanging material returning plate 14 is hung on the hole flanging movable die plate 8, a punching spring 15 is arranged between the punching material returning plate 9 and the punching movable die plate 7, and a hole flanging spring 16 is arranged between the hole flanging movable die plate 8 and the hole flanging material returning plate 14; the upper end of the punching needle 12 is fixed on the punching movable die plate 7, the upper end of the hole flanging needle 13 is fixed on the hole flanging movable die plate 8, a plurality of fourth holes 17 for inserting the punching needle 12 are formed in the punching fixed die plate 5, and a plurality of fifth holes 18 for inserting the hole flanging needle 13 are formed in the hole flanging fixed die plate 6; the fifth hole 18 is a stepped hole, and a boss 49 and a fifth spring 50 for pressing the boss 49 upward are disposed in the fifth hole 18.
The mold for manufacturing the condenser end plate as described above is characterized in that: a plurality of first springs 305 are arranged between the lower cutting board 2 and the first template 301, a plurality of second springs 306 are arranged between the second template 302 and the lower cutting board 2, and a plurality of fourth springs 407 are arranged between the fifth template 403 and the third template 401; the first lower shear plate 303 is provided with a rounded corner near the second template 302.
The mold for manufacturing the condenser end plate as described above is characterized in that: the first springs 305 are provided with ten rows, the lower cutting board 2 is provided with first spring placing holes 19 for placing the first springs 305, the first template 301 is provided with a first counter bore, and the first counter bore is internally provided with a first bolt 22 for connecting the lower cutting board 2 with the first template 301; a second counter bore is formed in the lower cutting board 2, a second bolt 23 for connecting the lower cutting board 2 with the second template 302 is arranged in the second counter bore, and the second spring 306 is sleeved on the second bolt 23; the first lower shear plate 303 and the second lower shear plate 304 are both fixed on the lower chopping board 2 by lower shear plate bolts.
The mold for manufacturing the condenser end plate as described above is characterized in that: the third template 401 comprises a transverse plate and two vertical plates respectively arranged at two sides of the transverse plate, the fourth springs 407 are provided with fifteen rows, and a plurality of fourth spring placing holes for placing the fourth springs 407 are arranged on the bottom surface of the transverse plate; a plurality of third counter bores are arranged on the third template 401, and fifth bolts 25 for hanging the fifth template 403 on the third template 401 are arranged in the third counter bores; the third template 401 is fixed on the upper chopping board 1 through a third bolt 42, the fourth template 402 is fixedly connected with the third template 401 through the third bolt 42, and the third bolt 42 passes through the transverse plate and the vertical plate to be installed; the first upper shear plate 404 and the second upper shear plate 405 are both fixed on the fourth template 402 by upper shear plate bolts.
The mold for manufacturing the condenser end plate as described above is characterized in that: a fourth counter bore is formed in the punching relief plate 9, and a punching bolt 20 for hanging the punching relief plate 9 on the punching movable die plate 7 is arranged in the fourth counter bore; a fifth counter bore is formed in the hole flanging and material returning plate 14, and hole flanging bolts 21 for hanging the hole flanging and material returning plate 14 on the hole flanging movable template 8 are arranged in the fifth counter bore; and a plurality of limit screws 24 for limiting the two sides of the workpiece 10 are arranged on the punching fixed template 5 and the hole flanging fixed template 6.
The mold for manufacturing the condenser end plate as described above is characterized in that: a plurality of first guide posts 26 and second guide posts 27 are respectively fixed on the upper chopping board 1, the lower ends of the first guide posts 26 penetrate through the punching material returning plate 9, and a first guide hole for inserting the first guide posts 26 is formed in the punching fixed die plate 5; the lower end of the second guide post 27 passes through the hole flanging material returning plate 14, and a second guide hole for inserting the second guide post 27 is formed in the hole flanging fixed die plate 6; a third guide post 30 is fixed on the lower cutting board 2, a sliding sleeve 31 and a third spring 33 are sleeved on the third guide post 30, the third spring 33 is propped between the sliding sleeve 31 and the lower cutting board 2, and a plurality of third guide holes for the sliding sleeve 31 to be inserted are formed in the upper cutting board 1.
A punch press device of a die as described above, characterized in that: comprises a feeder 35, an alignment module 36 for aligning the workpiece 10, a punch 28 fixedly connected with the connecting column 11, and the rolled workpiece 10 is rolled on a roller 37 of the feeder 35; an upper rotating shaft 38 is arranged on the punch 28, and two limit switches 39 for control are arranged on the upper rotating shaft 38; a supporting platform 40 is arranged on the punch 28, and the lower chopping board 2 is fixed on the supporting platform 40.
A method for manufacturing a condenser end plate by using the punch device, which is characterized in that:
the coiled workpiece 10 on the feeder 35 is driven to move forwards by the feeder 35, and the free end of the workpiece 10 is straightened by the straightening module 36;
The workpiece 10 moves to the fixed punching template 5, and the punching needle 12 on the movable punching template 7 moves downwards to penetrate through the punching material returning plate 9 and is inserted into the fourth hole 17, so that the workpiece 10 is punched into a plurality of first holes 47; then the punching needle 12 moves upwards to reset, the compressed punching spring 15 pushes the punching relief plate 9, the punching relief plate 9 further pushes the workpiece 10, and the punching needle 12 withdraws from the first hole 47 of the workpiece 10;
The workpiece 10 continues to move onto the hole flanging fixed template 6, the hole flanging needle 13 on the hole flanging movable template 8 moves downwards to penetrate through the hole flanging material returning plate 14 and is inserted into the fifth hole 18, a boss 49 in the fifth hole 18 descends, and the hole flanging needle 13 flanging the first hole 47 downwards to form a second hole 48; then the hole flanging needle 13 moves upwards to reset, the fifth spring 50 pushes against the boss 49 to reset, the compressed hole flanging spring 16 pushes against the hole flanging relief plate 14, the hole flanging relief plate 14 further pushes against the workpiece 10, and the hole flanging needle 13 withdraws from the hole of the workpiece 10;
The workpiece 10 continues to move forwards to the first template 301, the fifth template 403 pushes against the first template 301, the fourth template 402 pushes against the second template 302, the first spring 305 and the second spring 306 are compressed, the first template 301 and the second template 302 descend, the first upper shearing plate 404 is matched with the first lower shearing plate 303 to shear off the rim charge at the front end of the workpiece 10, the second upper shearing plate 405 moves downwards to be matched with the second lower shearing plate 304 to cut off the rear tail of the workpiece 10, and meanwhile, the first lower shearing plate 303 pushes up the front part of the workpiece 10 upwards to form an upper folded edge 101;
Then the first template 301 stops descending, the second template 302 continues descending, the fourth spring 407 is compressed, and the fourth template 402 presses three sides of the workpiece 10 located on the second template 302 into three lower folds 102;
Finally, the upper molding assembly 4 is driven by the punch 28 to move upwards, and the fourth spring 407 is reset; the first template 301 and the second template 302 are also moved upward to reset;
the next workpiece 10 is moved to push the workpiece 10 out of the blanking.
Compared with the prior art, the invention has the following advantages:
1. The mold for manufacturing the condenser end plate has a complex and ingenious structure, and can be used for punching the steel sheet into the end plate at one time under the punching of the punch press; the upper rotating shaft of the punching machine is provided with two limit switches, the upper rotating shaft is driven by gears of the punching machine to rotate, the two limit switches are respectively arranged on different scales of the upper rotating shaft, and the two limit switches are triggered at set moments, so that the feeding time of the feeding machine and the downward movement time of the upper cutting board can be respectively controlled, no manual automatic control is realized, the production efficiency is greatly improved, and the labor cost is reduced.
2. The condenser end plate of the invention needs to be punched for three times, but the steel bars are not cut off firstly and then are put on three sets of moulds to be respectively punched; the mold disclosed by the invention can be used for manufacturing the condenser end plate through three-step stamping, steel bars are input into the mold, one condenser end plate is output, the three workpieces can be simultaneously processed without processing by other equipment, and the other workpiece is not required to be processed after the processing of one workpiece is finished.
[ Description of the drawings ]
FIG. 1 is a perspective view of a punch press apparatus of the present invention;
FIG. 2 is a perspective view of the inventive die;
FIG. 3 is a perspective view of a workpiece at various stages of the present invention;
FIG. 4 is a front view of the mold of the present invention;
FIG. 5 is an exploded view of the inventive die;
FIG. 6 is a perspective cross-sectional view of the inventive die 1;
fig. 7 is a perspective cross-sectional view 2 of the inventive die with the connecting post hidden.
In the figure: 1 is an upper chopping board; 2 is a lower chopping board; 3 is a lower molding assembly; 301 is a first template; 302 is a second template; 303 is a first lower shear plate; 304 is a second lower shear plate; 305 is a first spring; 306 is a second spring; 4 is an upper molding assembly; 401 is a third template; 402 is a fourth template; 403 is a fifth template; 404 is a first upper shear plate; 405 is a second upper shear plate; 406 is a mounting port; 407 is a fourth spring; 5 is a punching fixed template; 6 is a hole flanging fixed template; 7 is a punching movable template; 8 is a hole flanging movable template; 9 is a punching material returning plate; 10 is a workpiece; 11 is a connecting column; 12 is a punching needle; 13 is a hole flanging needle; 14 is a hole flanging material returning plate; 15 is a punching spring; 16 is a hole flanging spring; 17 is a fourth hole; 18 is a fifth hole; 19 is a first spring receiving aperture; 20 is a punching bolt; 21 is a hole flanging bolt; 22 is a first bolt; 23 is a second bolt; 24 is a limit screw; 25 is a fifth bolt; 26 is a first guide post; 27 is a second guide post; 28 is a punch press; 30 is a third guide post; 31 is a sliding sleeve; 33 is a third spring; 35 is a feeder; 36 is a straightening module; 37 is a roller; 38 is the upper rotating shaft; 39 is a limit switch; 40 is a supporting platform; 42 is a third bolt; 46 is a relief hole; 47 is a first hole; 48 is a second hole; 49 is a boss; 50 is a fifth spring; 101 is an upper hem; 102 is the lower hem.
[ Detailed description ] of the invention
The technical features of the present invention are described in further detail below with reference to the accompanying drawings so that those skilled in the art can understand the features.
2-7, Including upper chopping block 1 and lower chopping block 2 fixed on punch 28, there are tie columns 11 fixedly connected with punch 28 on the upper surface of upper chopping block 1, the punch 28 drives the mould to punch the work piece through tie columns 11, there are fixed plate 5 and hole flanging fixed plate 6 of the fixed plate 5 respectively on lower chopping block 2, there are multiple punching needles 12 that are driven by lower chopping block 2 to move and punch the work piece 10 on the fixed plate 5 under upper chopping block 1, the hole punched is the first hole 47, the first hole 47 diameter is relatively small; a plurality of hole flanging needles 13 which are driven by the lower chopping board 2 to move to flanging the punched workpiece 10 on the hole flanging fixed template 6 are arranged below the upper chopping board 1, namely the hole flanging needles 13 further downwards flange the first holes 47 to form second holes 48;
The die comprises three parts, wherein the three parts are driven by a punch, the first part is used for punching a workpiece, the second part is used for further flanging a hole of the workpiece, the third part is used for folding, forming and cutting the workpiece, the third part comprises a lower forming component 3 which is arranged on a lower cutting board 2 and is used for receiving the workpiece 10 with the hole being flanged, an upper forming component 4 which is driven by the lower cutting board 2 to move and is matched with the lower forming component 3 to punch and form the workpiece 10 after the hole is stamped and formed is arranged below the upper cutting board 1, the workpiece 10 which enters the third part is still in a belt shape and is not cut off, the workpiece 10 after the flanging is further driven to the lower forming component 3, the lower forming component 3 is matched with the upper forming component 4 to fold, form the workpiece in a folding way and cut off left and right, and small blocks cut on the left side are waste edges of the workpiece.
The mold for manufacturing the condenser end plate as described above, the lower molding assembly 3 includes a first mold plate 301 disposed above the lower chopping board 2, a second mold plate 302 having a U shape is disposed around three sides of the first mold plate 301, a first lower shear plate 303 and a second lower shear plate 304 are disposed on two opposite outer sides of the first mold plate 301, and the first lower shear plate 303 and the second lower shear plate 304 are both fixed on the lower chopping board 2, wherein the second lower shear plate 304 is located between the second mold plate 302 and the hole flanging fixed mold plate 6;
The upper molding assembly 4 comprises a third template 401 fixed on the upper cutting board 1, a fourth template 402 in a frame shape is fixed on the bottom surface of the third template 401, two opposite sides of the fourth template 402 are provided with placing openings 406, a first upper cutting board 404 matched with the first lower cutting board 303 and a second upper cutting board 405 matched with the second lower cutting board 304 are respectively arranged in the two placing openings 406, a fifth template 403 is hung below the third template 401, and the fifth template 403 is arranged in the middle of the frame shape of the fourth template 402.
A mold for manufacturing the condenser end plate as described above, wherein a plurality of first springs 305 are provided between the lower anvil 2 and the first mold plate 301, and a plurality of second springs 306 are provided between the second mold plate 302 and the lower anvil 2; a plurality of fourth springs 407 are arranged between the fifth template 403 and the third template 401.
When the upper forming assembly 4 presses down the forming assembly 3, the fourth template 402 presses against the second template 302, the fifth template 403 presses against the first template 301, the second template 302 and the first template 301 are both lowered, but the first template 301 is lifted to the lower cutting board 2 to stop lowering after being lowered for a certain distance, the first template 301 presses against the fifth template 403 to rise, and then the second template 302 is pressed by the fourth template 402 and the second upper cutting board 405 to continue to descend more, so that three sides of the workpiece 10 are bent downwards; the second upper shear plate 405 is matched with the second lower shear plate 304 to cut the long workpiece into a plurality of specified equal lengths, the first upper shear plate 404 is matched with the first lower shear plate 303 to cut the rim charge at the front end of the workpiece, and the matched edges are sharp and can cut the workpiece.
The mold for manufacturing the condenser end plate is described above, and the first springs 305 are provided with ten rows, as shown in fig. 5 and 7; the lower chopping board 2 and the bottom of the first template 301 are respectively provided with first spring mounting holes 19 for mounting the first springs 305, the first spring mounting holes 19 are provided with three rows of fifteen, the first springs 305 are not mounted in the middle row of first spring mounting holes 19, and if the first springs 305 are mounted, the fifth template 403 cannot push down the first template 301. The first template 301 is provided with a first counter bore, a first bolt 22 for connecting the lower chopping block 2 with the first template 301 is arranged in the first counter bore, and the first bolt 22 comprises a screw rod part screwed into the lower chopping block 2 and a polish rod part positioned above the lower chopping block 2.
A second counter bore is formed in the lower cutting board 2, a second bolt 23 for connecting the lower cutting board 2 with the second template 302 is arranged in the second counter bore, the second bolt 23 comprises a screw part screwed into the second template 302 and a polish rod part positioned below the second template 302, the second springs 306 are sleeved on the second bolt 23, and the second springs 306 are six in total; the first lower shear plate 303 and the second lower shear plate 304 are both fixed on the lower chopping board 2 by lower shear plate bolts.
Because there are ten first springs 305, six second springs 306, and fifteen fourth springs 407, it can be seen from fig. 4 that the second die plate 302 is also less thick than the first die plate 301. After the first template 301 descends to compress the first spring 305 by a certain distance, the bottom surface of the first template 301 will prop against the lower chopping board 2 to stop descending, then the first template 301 props up the fifth template 403 to ascend to compress the fourth spring 407, and the second template 302 is continuously pushed down by the fourth template 402 and the second upper shear plate 405, so that the descending displacement of the second template 302 is larger than the descending displacement of the first template 301.
The mold for manufacturing the condenser end plate as described above, the third mold plate 401 includes a transverse plate and two vertical plates respectively disposed at two sides of the transverse plate, the fourth springs 407 are provided with fifteen rows, and a plurality of fourth spring placement holes for placing the fourth springs 407 are disposed at the bottom surface of the transverse plate; a plurality of third counter bores are formed in the third template 401, fifth bolts 25 for hanging the fifth template 403 on the third template 401 are arranged in the third counter bores, and the fifth bolts 25 comprise screw rod parts screwed into the fifth template 403 and polished rod parts positioned above the fifth template 403; the third template 401 is fixed on the upper chopping board 1 through a third bolt 42, the fourth template 402 is fixedly connected with the third template 401 through the third bolt 42, and the third bolt 42 passes through the transverse plate and the vertical plate to be installed; the first upper shear plate 404 and the second upper shear plate 405 are both fixed on the fourth template 402 by upper shear plate bolts.
As shown in fig. 5, a punching movable die plate 7 and a hole flanging movable die plate 8 are respectively fixed at the bottom of the upper cutting board 1, a punching material returning plate 9 is hung on the punching movable die plate 7, a hole flanging material returning plate 14 is hung on the hole flanging movable die plate 8, a punching spring 15 is arranged between the punching material returning plate 9 and the punching movable die plate 7, and a hole flanging spring 16 is arranged between the hole flanging movable die plate 8 and the hole flanging material returning plate 14; the upper end of the punching needle 12 is fixed on the punching movable die plate 7, the lower end of the punching needle 12 can penetrate through the punching material returning plate 9, the upper end of the hole flanging needle 13 is fixed on the hole flanging movable die plate 8, the lower end of the hole flanging needle 13 can penetrate through the hole flanging material returning plate 14, a plurality of fourth holes 17 for inserting the punching needle 12 are formed in the punching fixed die plate 5, and a plurality of fifth holes 18 for inserting the hole flanging needle 13 are formed in the hole flanging fixed die plate 6.
As shown in fig. 6 and 7, the fifth hole 18 is a stepped hole and penetrates through the lower anvil plate 2, a boss 49 and a fifth spring 50 that pushes the boss 49 upward are disposed in the fifth hole 18, when the hole flanging needle 13 is used for flanging, the boss 49 will be pushed down by the hole flanging needle 13, after the hole flanging needle 13 resets, the boss 49 is pushed and reset by the fifth spring 50, the top surface of the boss 49 after reset is preferably flush with the top surface of the hole flanging fixed die plate 6, and of course, the top surfaces of the hole punching fixed die plate 5 and the hole flanging fixed die plate 6 are also flush.
The punching needle 12 is used for penetrating through the punching movable die plate 7 and inserting into the fourth hole 17 to punch the workpiece 10 on the punching fixed die plate 5, and the punched fragments fall from the fourth hole 17; the hole flanging needle 13 is used for penetrating through the hole flanging movable die plate 8 and inserting into the fifth hole 18 to pierce the workpiece 10 on the hole flanging fixed die plate 6, and the outer round edge of the bottom surface of the hole flanging needle 13 is provided with a rounding angle, so that the workpiece cannot be cut off, and only flanging is performed. During punching or hole flanging, the punching spring 15 is compressed by the punching die plate 7, and the hole flanging spring 16 is compressed by the hole flanging die plate 8. When the workpiece 10 is reset, the punching spring 15 pushes the punching material returning plate 9, and the punching material returning plate 9 can prop against the workpiece 10, so that the workpiece 10 is prevented from being reset together with the punching needle 12; the hole flanging spring 16 is used for jacking the hole flanging and material returning plate 14 in the same way, and the hole flanging and material returning plate 14 can prop against the workpiece 10, so that the workpiece 10 is prevented from being reset together with the hole flanging needle 13.
Further, a fourth counter bore is formed in the punching relief plate 9, a punching bolt 20 for hanging the punching relief plate 9 on the punching movable die plate 7 is arranged in the fourth counter bore, and the punching bolt 20 comprises a screw rod part screwed into the punching movable die plate 7 and a polish rod part positioned below the punching movable die plate 7; a fifth counter bore is formed in the hole flanging and material returning plate 14, a hole flanging bolt 21 for hanging the hole flanging and material returning plate 14 on the hole flanging movable die plate 8 is arranged in the fifth counter bore, and the hole flanging bolt 21 comprises a screw part screwed into the hole flanging movable die plate 8 and a polish rod part positioned below the hole flanging movable die plate 8; the punching fixed template 5 and the hole flanging fixed template 6 are respectively provided with a plurality of limit screws 24 for limiting two sides of the workpiece 10, and the punching movable template 7 and the hole flanging movable template 8 are fixedly connected with the upper chopping board 1.
The mold for manufacturing the condenser end plate is characterized in that a plurality of first guide posts 26 and second guide posts 27 are respectively fixed on the upper chopping board 1, the lower ends of the first guide posts 26 penetrate through the punching material returning plate 9, and a first guide hole for inserting the first guide posts 26 is formed in the punching fixed die plate 5; the lower end of the second guide post 27 passes through the hole flanging material returning plate 14, and a second guide hole for inserting the second guide post 27 is formed in the hole flanging fixed die plate 6; a third guide post 30 is fixed on the lower cutting board 2, a sliding sleeve 31 and a third spring 33 are sleeved on the third guide post 30, a baffle plate for blocking the sliding sleeve 31 is fixed at the top end of the third guide post 30, the third spring 33 is propped between the sliding sleeve 31 and the lower cutting board 2, and a plurality of third guide holes for the sliding sleeve 31 to be inserted are formed in the upper cutting board 1. The third spring 33 is used for resetting the sliding sleeve 31, and a plurality of balls for reducing friction force are arranged on the sliding sleeve 31.
The bottom surface of the first upper shear plate 404 is flush with the bottom surface of the second upper shear plate 405, the bottom surface of the fourth template 402, and the bottom surface of the fifth template 403; the edge of the first lower shear plate 303, which is close to the second template 302, is provided with a rounded corner, so that when the first lower shear plate 303 is not moved and the first template 301 descends, the first lower shear plate 303 can bend the workpiece upwards to form the upper folded edge 101, instead of cutting the workpiece.
As shown in fig. 3, fig. 3 shows the workpiece in different states, the whole workpiece 10 is initially conveyed to the mold, the part a in the drawing is the workpiece after punching, the part B is the workpiece after punching, the part C is the workpiece after flanging, i.e. the workpiece after flanging the first hole 47 downwards, and the part D is the state after folding and forming, i.e. the condenser end plate. The first form 301 is provided with a plurality of elongate relief holes 46 for receiving the rims of the second holes 48 or for relieving the rims of the second holes 48 which would otherwise be flattened during crimping. Therefore, the steel bar is input into the die, the condenser end plate is output, the processing of other equipment is not needed, the finished product is continuously output from the die, three workpieces can be processed simultaneously, and the other workpiece is not needed to be processed after the processing of one workpiece is finished, so that the production efficiency is greatly improved.
The invention also claims a punching device comprising the die, as shown in fig. 1, comprising a feeder 35, an alignment module 36 for aligning the workpiece 10, a punch 28 fixedly connected with the connecting column 11, and a roll-shaped workpiece 10 wound on a roller 37 of the feeder 35; a supporting platform 40 is arranged on the punch 28, and the lower chopping board 2 is fixed on the supporting platform 40; an upper rotating shaft 38 is arranged on the punch 28, and two limit switches 39 for control are arranged on the upper rotating shaft 38. Therefore, the punching device is full-automatic equipment, does not need manual operation, greatly improves the production efficiency and reduces the labor cost.
The invention also claims a method for manufacturing the condenser end plate by adopting the punch device, which comprises the following steps:
the coiled workpiece 10 on the feeder 35 is driven to move forwards by the feeder 35, and the free end of the workpiece 10 is straightened by the straightening module 36;
The workpiece 10 moves to the fixed punching template 5, and the punching needle 12 on the movable punching template 7 moves downwards to penetrate through the punching material returning plate 9 and is inserted into the fourth hole 17, so that the workpiece 10 is punched into a plurality of first holes 47; then the punching needle 12 moves upwards to reset, the compressed punching spring 15 pushes the punching relief plate 9, the punching relief plate 9 further pushes the workpiece 10, and the punching needle 12 withdraws from the first hole 47 of the workpiece 10;
The workpiece 10 continues to move onto the hole flanging fixed template 6, the hole flanging needle 13 on the hole flanging movable template 8 moves downwards to penetrate through the hole flanging material returning plate 14 and is inserted into the fifth hole 18, a boss 49 in the fifth hole 18 descends, and the hole flanging needle 13 flanging the first hole 47 downwards to form a second hole 48; then the hole flanging needle 13 moves upwards to reset, the fifth spring 50 pushes against the boss 49 to reset, the compressed hole flanging spring 16 pushes against the hole flanging relief plate 14, the hole flanging relief plate 14 further pushes against the workpiece 10, and the hole flanging needle 13 withdraws from the hole of the workpiece 10;
The workpiece 10 continues to move forwards to the first template 301, the fifth template 403 pushes against the first template 301, the fourth template 402 pushes against the second template 302, the first spring 305 and the second spring 306 are compressed, the first template 301 and the second template 302 descend, the first upper shearing plate 404 is matched with the first lower shearing plate 303 to shear off the rim charge at the front end of the workpiece 10, the second upper shearing plate 405 moves downwards to be matched with the second lower shearing plate 304 to cut off the rear tail of the workpiece 10, and meanwhile, the first lower shearing plate 303 pushes up the front part of the workpiece 10 upwards to form an upper folded edge 101;
Then the first template 301 stops descending, the second template 302 continues descending, the fourth spring 407 is compressed, and the fourth template 402 presses three sides of the workpiece 10 located on the second template 302 into three lower folds 102;
Finally, the upper molding assembly 4 is driven by the punch 28 to move upwards, and the fourth spring 407 is reset; the first template 301 and the second template 302 are also moved upward to reset;
the next workpiece 10 is moved to push the workpiece 10 out of the blanking.
The above-described punching process on the punching fixed platen 5, the hole flanging fixed platen 6, and the lower molding assembly 3 is performed simultaneously.
The embodiments of the present invention are merely described in terms of preferred embodiments of the present invention, and are not intended to limit the scope and spirit of the present invention, but various modifications and improvements of the technical solutions of the present invention will be apparent to those skilled in the art without departing from the design concept of the present invention.
Claims (9)
1. A mold for manufacturing a condenser end plate, which is characterized in that: the punching device comprises an upper chopping board (1) and a lower chopping board (2) which are fixed on a punching machine (28), wherein a connecting column (11) fixedly connected with the punching machine (28) is arranged on the upper surface of the upper chopping board (1), a punching fixed template (5) and a hole flanging fixed template (6) are respectively arranged on the lower chopping board (2), a plurality of punching needles (12) which are driven by the lower chopping board (2) to move to punch a workpiece (10) on the punching fixed template (5) are arranged below the upper chopping board (1), and a plurality of hole flanging needles (13) which are driven by the lower chopping board (2) to move to hole flanging the workpiece (10) which is punched on the hole flanging fixed template (6); a lower forming assembly (3) is arranged on the lower chopping board (2), and an upper forming assembly (4) which is driven by the lower chopping board (2) to move and is matched with the lower forming assembly (3) to punch and form the workpiece (10) after hole flanging is arranged below the upper chopping board (1);
the lower molding assembly (3) comprises a first template (301) arranged above the lower cutting board (2), a U-shaped second template (302) is arranged around three sides of the first template (301), a first lower cutting board (303) and a second lower cutting board (304) are respectively arranged on two opposite outer sides of the first template (301), the first lower cutting board (303) and the second lower cutting board (304) are both fixed on the lower cutting board (2), and the second lower cutting board (304) is positioned between the second template (302) and the hole flanging fixed die plate (6); the upper molding assembly (4) comprises a third template (401) fixed on the upper cutting board (1), a fourth template (402) in a frame shape is fixed on the bottom surface of the third template (401), two opposite sides of the fourth template (402) are provided with placement openings (406), a first upper cutting board (404) matched with the first lower cutting board (303) and a second upper cutting board (405) matched with the second lower cutting board (304) are respectively arranged in the two placement openings (406), a fifth template (403) is hung below the third template (401), and the fifth template (403) is arranged in the middle of the frame shape of the fourth template (402).
2. A mold for making a condenser end plate according to claim 1, wherein: a punching movable die plate (7) and a hole flanging movable die plate (8) are respectively fixed at the bottom of the upper cutting board (1), a punching material returning plate (9) is hung on the punching movable die plate (7), a hole flanging material returning plate (14) is hung on the hole flanging movable die plate (8), a punching spring (15) is arranged between the punching material returning plate (9) and the punching movable die plate (7), and a hole flanging spring (16) is arranged between the hole flanging movable die plate (8) and the hole flanging material returning plate (14); the upper end of the punching needle (12) is fixed on the punching movable die plate (7), the upper end of the hole flanging needle (13) is fixed on the hole flanging movable die plate (8), a plurality of fourth holes (17) for inserting the punching needle (12) are formed in the punching fixed die plate (5), and a plurality of fifth holes (18) for inserting the hole flanging needle (13) are formed in the hole flanging fixed die plate (6); the fifth hole (18) is a step hole, and a boss (49) and a fifth spring (50) for pushing the boss (49) upwards are arranged in the fifth hole (18).
3. A mold for making a condenser end plate according to claim 1, wherein: a plurality of first springs (305) are arranged between the lower cutting board (2) and the first template (301), a plurality of second springs (306) are arranged between the second template (302) and the lower cutting board (2), and a plurality of fourth springs (407) are arranged between the fifth template (403) and the third template (401); the side of the first lower shear plate (303) close to the second template (302) is provided with a rounding angle.
4. A mold for making a condenser end plate according to claim 3, wherein: the first springs (305) are provided with ten rows, the lower cutting board (2) is provided with first spring placing holes (19) for placing the first springs (305), the first template (301) is provided with first counter bores, and first bolts (22) for connecting the lower cutting board (2) with the first template (301) are arranged in the first counter bores; a second counter bore is formed in the lower cutting board (2), a second bolt (23) for connecting the lower cutting board (2) with the second template (302) is arranged in the second counter bore, and the second spring (306) is sleeved on the second bolt (23); the first lower shear plate (303) and the second lower shear plate (304) are fixed on the lower chopping board (2) through lower shear plate bolts.
5. The mold for making a condenser end plate according to claim 4, wherein: the third template (401) comprises a transverse plate and two vertical plates which are respectively arranged at two sides of the transverse plate, the fourth springs (407) are arranged in three rows and fifteen rows, and a plurality of fourth spring placing holes for placing the fourth springs (407) are arranged on the bottom surface of the transverse plate; a plurality of third counter bores are formed in the third template (401), and fifth bolts (25) for hanging the fifth template (403) on the third template (401) are arranged in the third counter bores; the third template (401) is fixed on the upper cutting board (1) through a third bolt (42), the fourth template (402) is fixedly connected with the third template (401) through the third bolt (42), and the third bolt (42) is installed through the transverse board and the vertical board; the first upper shear plate (404) and the second upper shear plate (405) are both fixed on the fourth template (402) through upper shear plate bolts.
6. A mold for making a condenser end plate according to claim 2, wherein: a fourth counter bore is formed in the punching material returning plate (9), and a punching bolt (20) for hanging the punching material returning plate (9) on the punching movable die plate (7) is arranged in the fourth counter bore; a fifth counter bore is formed in the hole flanging and material returning plate (14), and hole flanging bolts (21) for hanging the hole flanging and material returning plate (14) on the hole flanging movable template (8) are arranged in the fifth counter bore; and a plurality of limit screws (24) for limiting the two sides of the workpiece (10) are arranged on the punching fixed template (5) and the hole flanging fixed template (6).
7. A mold for making a condenser end plate according to claim 2, wherein: a plurality of first guide posts (26) and second guide posts (27) are respectively fixed on the upper cutting board (1), the lower ends of the first guide posts (26) penetrate through the punching material returning plate (9), and a first guide hole for the first guide posts (26) to be inserted is formed in the punching fixed die plate (5); the lower end of the second guide post (27) penetrates through the hole flanging material returning plate (14), and a second guide hole for the second guide post (27) to be inserted is formed in the hole flanging fixed die plate (6); the lower chopping block (2) is respectively fixed with a third guide pillar (30), a sliding sleeve (31) and a third spring (33) are sleeved on the third guide pillar (30), the third spring (33) is propped between the sliding sleeve (31) and the lower chopping block (2), and a plurality of third guide holes for the sliding sleeve (31) to insert are formed in the upper chopping block (1).
8. A punch press apparatus comprising the die set forth in any one of claims 1 to 7, characterized in that: comprises a feeder (35), a straightening module (36) for straightening the workpiece (10), and a punch (28) fixedly connected with the connecting column (11), wherein the coiled workpiece (10) is coiled on a roller (37) of the feeder (35); an upper rotating shaft (38) is arranged on the punch (28), and two limit switches (39) for control are arranged on the upper rotating shaft (38); a supporting platform (40) is arranged on the punch (28), and the lower chopping board (2) is fixed on the supporting platform (40).
9. A method of making a condenser end plate using the punch press apparatus of claim 8, wherein:
the coiled workpiece (10) on the feeder (35) is driven to move forwards by the feeder (35), and the free end of the workpiece (10) is straightened by a straightening module (36);
The workpiece (10) moves onto the punching fixed template (5), and a punching needle (12) on the punching movable template (7) moves downwards to penetrate through the punching material returning plate (9) and is inserted into the fourth hole (17), so that the workpiece (10) is punched into a plurality of first holes (47); then the punching needle (12) moves upwards to reset, the compressed punching spring (15) pushes against the punching material returning plate (9), the punching material returning plate (9) further pushes against the workpiece (10), and the punching needle (12) withdraws from the first hole (47) of the workpiece (10);
The workpiece (10) continues to move onto the hole flanging fixed template (6), a hole flanging needle (13) on the hole flanging movable template (8) moves downwards to penetrate through the hole flanging material returning plate (14) and is inserted into the fifth hole (18), a boss (49) in the fifth hole (18) descends, and the hole flanging needle (13) downwards flanging the first hole (47) to form a second hole (48); then the hole flanging needle (13) moves upwards to reset, the fifth spring (50) pushes against the boss (49) to reset, the compressed hole flanging spring (16) pushes against the hole flanging relief plate (14), the hole flanging relief plate (14) further pushes against the workpiece (10), and the hole flanging needle (13) withdraws from the hole of the workpiece (10);
The workpiece (10) continuously moves forwards to the first template (301), the fifth template (403) pushes against the first template (301), the fourth template (402) pushes against the second template (302), the first spring (305) and the second spring (306) are compressed, the first template (301) and the second template (302) descend, the first upper shearing plate (404) is matched with the first lower shearing plate (303) to shear off the rim charge at the front end of the workpiece (10), the second upper shearing plate (405) moves downwards to be matched with the second lower shearing plate (304) to cut off the rear tail of the workpiece (10), and meanwhile the first lower shearing plate (303) pushes the front part of the workpiece (10) upwards to form an upper folded edge (101);
Then the first template (301) stops descending, the second template (302) continues descending, the fourth spring (407) is compressed, and the fourth template (402) presses three sides of the workpiece (10) positioned on the second template (302) into three lower folds (102);
Finally, the upper molding assembly (4) is driven by the punch (28) to move upwards, and the fourth spring (407) is reset; the first template (301) and the second template (302) are also reset by upward movement;
the next workpiece (10) is moved to push the workpiece (10) out of the blanking.
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| CN115318954B (en) * | 2022-10-17 | 2023-01-17 | 佛山市通用制冷设备有限公司 | Condenser panel processing die and processing method thereof |
| CN117415213B (en) * | 2023-12-19 | 2024-03-29 | 深圳市道格特科技有限公司 | Probe card former |
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| CA2466688A1 (en) * | 2004-04-30 | 2005-10-30 | Dana Canada Corporation | Apparatus and method for forming shaped articles |
| CA2703331A1 (en) * | 2009-05-14 | 2010-11-14 | Tecumseh Products Company | Condensing unit attachment feature |
| KR101483856B1 (en) * | 2013-05-10 | 2015-01-19 | (주)엔아이스틸 | Hybrid forming punching machine |
| KR20170121384A (en) * | 2016-04-22 | 2017-11-02 | 김영배 | Heatsink Manufacturing device of Pre-Heater for Vehicle and Manufacturing method |
| CN208513499U (en) * | 2018-08-07 | 2019-02-19 | 青岛恒泰机械配件有限公司顺德分公司 | A kind of car condenser left side plate hole flanging mold |
| CN209886487U (en) * | 2019-01-29 | 2020-01-03 | 长沙星沙机床有限公司 | Terminal box cover shaping flanging dies |
| CN110014094A (en) * | 2019-05-07 | 2019-07-16 | 吴世钊 | A kind of efficient pipe end machine and its processing method |
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