CN211679442U - Bending and forming system for knuckle - Google Patents
Bending and forming system for knuckle Download PDFInfo
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- CN211679442U CN211679442U CN201922009802.XU CN201922009802U CN211679442U CN 211679442 U CN211679442 U CN 211679442U CN 201922009802 U CN201922009802 U CN 201922009802U CN 211679442 U CN211679442 U CN 211679442U
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- 238000005452 bending Methods 0.000 title claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 99
- 238000005242 forging Methods 0.000 claims abstract description 53
- 238000007667 floating Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 7
- 230000013011 mating Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a bending forming system of a bent arm steering knuckle, which comprises a first hydraulic mechanism, a second hydraulic mechanism, a bending forming die and a driving control unit; the first hydraulic mechanism comprises a first piston rod (2) and a sliding block (5) which is sleeved on the first piston rod (2) and can move along the inner wall of the cylinder body, and the second hydraulic mechanism comprises a second oil cylinder plunger rod (14); the bending forming die comprises a fixed lower die holder (9), a fixed lower die (11) and a floating lower die (12) which are arranged in the fixed lower die holder (9), and the driving control unit comprises an oil tank (28), a first driving control mechanism and a second driving control mechanism. The utility model discloses a drive and this second hydraulic mechanism of control unit control and first hydraulic mechanism mating reaction will bend forming die and exert pressure, accomplish bending of knuckle forging and take shape, and the shaping precision is high, the profile is clear.
Description
Technical Field
The utility model belongs to the technical field of die forging technology and equipment, more specifically relates to a bent arm knuckle forming system that bends.
Background
The steering knuckle is a key stressed part of an automobile steering system, and not only supports the weight of an automobile body, but also bears steering torque. Because the working environment is severe and the requirement on mechanical property is high, forging forming is generally adopted. At present, drum type steering knuckles commonly used are composed of a step rod part, a thin flange which is distributed symmetrically with an x axis and a y axis and is not an equilateral hexagon, and two fork lugs with drum-shaped side surfaces. The two fork lugs are parallel to each other and inclined at an angle a with the axis of the rod part, and the forging process comprises three steps of blank making, pre-forging and finish forging.
A knuckle with a bent arm is a new type of commercial vehicle knuckle that has been developed in the last two years. At present, no document for forging and producing the steering knuckle is found, and the bent arm steering knuckle is not seen in markets at home and abroad. Xiaju 35852nd others in the literature "development and application of separable flash-free die forging, die industry, 2019.45 (5): 52-57 reports a similar knuckle with arm, its original production process is that the front arm which is bent with 90 degrees laterally with the rod part is forged into a rod part with rectangular section separately, after machining, it is fastened with the knuckle flange plate into one body by using strong bolt, and the applicant has developed the integrated die forging process of forward and backward extrusion blank-making in die direction → horizontal separable die lateral extrusion preforming → vertical small flash finish forging, and can produce the knuckle with arm. The steering knuckle produced by adopting the integrated die forging process has the advantages that the weight of a single bent arm steering knuckle can be reduced by about 5kg, the material is saved, and the energy-saving and light-weight effects are good. However, although the bent arm of the steering knuckle shown in fig. 1 is also bent at 90 degrees, the bent arm and the flange plate are in cylindrical transition connection, and the integrated die forging production cannot be realized by adopting the process.
SUMMERY OF THE UTILITY MODEL
To the above defect or improvement demand of prior art, the utility model provides a bent arm knuckle system of shaping and method of bending, first hydraulic pressure mechanism pushes down bending forming die, and the bottom position of first hydraulic pressure mechanism is located to the second hydraulic pressure mechanism, through this second hydraulic pressure mechanism of drive and the cooperation of first hydraulic pressure mechanism of control unit control, will bend forming die and exert pressure, accomplish the shaping of bending to the bent arm knuckle, and the shaping precision is high, the profile is clear.
In order to achieve the above object, the utility model provides a bending forming system for a knuckle, which comprises a first hydraulic mechanism, a second hydraulic mechanism, a bending forming die arranged between the first hydraulic mechanism and the second hydraulic mechanism, and a driving control unit connected with the first hydraulic mechanism and the second hydraulic mechanism respectively; wherein,
the first hydraulic mechanism and the second hydraulic mechanism jointly form a cylinder body capable of accommodating the bending forming die, the first hydraulic mechanism comprises a first piston rod and a sliding block which is fixed on the first piston rod and can move along the inner wall of the cylinder body, and the second hydraulic mechanism comprises a second oil cylinder plunger rod;
the bending forming die comprises an upper die plate fixed below the sliding block, an upper die fixed below the upper die plate,FixingThe fixed lower female die and the floating lower female die are arranged in the fixed lower female die holder, and the knuckle forge piece is arranged in the die cavities of the fixed lower female die and the floating lower female die;
the driving control unit comprises an oil tank, a first driving control mechanism and a second driving control mechanism, one end of the first driving control mechanism and one end of the second driving control mechanism are communicated with the oil tank, the other end of the first driving control mechanism and the other end of the second driving control mechanism are communicated with the first hydraulic mechanism and the second hydraulic mechanism respectively through oil pipes, the first driving control mechanism and the second driving control mechanism control the first piston rod to push the upper die to move downwards to close the floating lower concave die according to forming parameters of the knuckle forging, the knuckle forging is compressed, and the knuckle forging and the floating lower concave die move together through a second oil cylinder plunger rod, so that the knuckle forging is bent and formed.
Furthermore, the first hydraulic mechanism comprises a first cross beam and a side wall, the second hydraulic mechanism comprises a second cross beam, and the first cross beam, the side wall and the second cross beam jointly form a frame body.
Furthermore, the first hydraulic mechanism comprises a first oil cylinder, the first oil cylinder penetrates through the first cross beam and is connected with the cylinder body in a sealing mode, and the first piston rod is arranged in the first oil cylinder.
Furthermore, the bending forming die comprises a base plate and a press machine workbench arranged on the base plate.
Furthermore, the bending forming die comprises an ejector which is arranged in a central hole at the bottom of the sliding block and penetrates through the upper die plate to be in contact with the upper die.
Furthermore, the second hydraulic mechanism comprises a second oil cylinder, the second oil cylinder is arranged in the base plate, one end of a plunger rod of the second oil cylinder is arranged in the second oil cylinder, and the other end of the plunger rod of the second oil cylinder penetrates through the press workbench to be in contact with the fixed lower die holder.
Further, the first drive control mechanism comprises a first servo motor, a first oil pump, a reversing valve, a first oil pressure gauge and a first overflow valve, wherein the first oil pump is driven by the first servo motor to control the pressure of the first oil cylinder, and meanwhile, the reversing valve is used for realizing oil inlet and outlet control;
the first oil pressure gauge and the first overflow valve are arranged on the other branch pipeline and are connected with the pipeline of the first drive control mechanism in parallel.
Further, the second driving control mechanism comprises a one-way valve, a second overflow valve, a second oil pressure gauge, a second servo motor and a second oil pump.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
1. the utility model discloses a forming system, first hydraulic pressure mechanism push down to the forming die that bends, and the bottom position of first hydraulic pressure mechanism is located to second hydraulic pressure mechanism, through this second hydraulic pressure mechanism of drive and the cooperation of control unit control and first hydraulic pressure mechanism, will bend the forming die and exert pressure, accomplishes the shaping of bending to the knuckle forging, and the shaping precision is high, the profile is clear, and size precision is high.
2. The utility model discloses a forming system, the side position of this slider and the guide structure phase-match on locating the lateral wall to in the slider moves along fixed direction, provides accurate drive power for the forming die of bending of locating its bottom, and then improves the accuracy nature and the reliability of this servo hydraulic press and mould.
3. The utility model discloses a forming system, inside the cylindric hole of slider was located to the knockout ware, it was ejecting by this knockout ware when the knuckle forging can't with the forming die drawing of patterns of bending to be convenient for the knuckle forging drawing of patterns.
4. The utility model discloses a forming system, the forming die that bends locate between first hydraulic pressure mechanism and the second hydraulic pressure mechanism, by this forming die and the knuckle forging direct contact of bending, drive power through first hydraulic pressure mechanism and the production of second hydraulic pressure mechanism makes its completion to the shaping of bending of knuckle forging.
5. The utility model discloses a forming system, drive and the control unit pass through oil pipe and are connected with first hydro-cylinder and second hydro-cylinder, for it provides stable controllable drive power to guarantee that this servo hydraulic press and mould take shape to the normal bending of knuckle forging.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of a bending and forming system of a knuckle according to an embodiment of the present invention;
FIG. 2 is a top view of the knuckle forging of the embodiment of the present invention without removing the flash before machining;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a top view of the knuckle forging of the embodiment of the present invention after deburring;
fig. 5 is a cross-sectional view taken at B-B in fig. 4.
In all the figures, the same reference numerals denote the same features, in particular: 1-a first oil cylinder, 2-a first piston rod, 3-a first beam, 4-a side wall, 5-a sliding block, 6-a knockout device, 7-an upper template, 8-an upper die, 9-a fixed lower die holder, 10-a steering knuckle forging, 11-a fixed lower female die, 12-a floating lower female die, 13-a press workbench, 14-a second oil cylinder plunger rod, 15-a second oil cylinder and 16-a base plate, 17-a second beam, 18-a one-way valve, 19-a second overflow valve, 20-a second oil pressure gauge, 21-a second servo motor, 22-a second oil pump, 23-a first servo motor, 24-a first oil pump, 25-a reversing valve, 26-a first oil pressure gauge, 27-a first overflow valve and 28-an oil tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
As shown in FIG. 1, the utility model discloses a bent arm knuckle system of taking shape of bending, including first hydraulic pressure mechanism, second hydraulic pressure mechanism, the forming die and the drive of bending and the control unit. The first hydraulic mechanism is the main structure of the servo hydraulic machine and the die, the bending forming die is pressed down by the first hydraulic mechanism, the second hydraulic mechanism is arranged at the bottom of the first hydraulic mechanism, the second hydraulic mechanism and the first hydraulic mechanism are matched, the bending forming die is pressed, the bending forming of the knuckle forging piece 10 is completed, the first hydraulic mechanism and the second hydraulic mechanism are controlled and driven by the driving and control unit, and the normal and accurate bending forming of the knuckle forging piece 10 is ensured. The special servo hydraulic press and the special servo hydraulic press mould bend and form the straight-wall front arm of the trimmed knuckle forging 10 into the bent front arm meeting the drawing requirements, ensure clear profile and high dimensional accuracy, and simultaneously provide control and driving force for the servo hydraulic press and the special servo hydraulic press mould by adopting automatic control, thereby further improving the accuracy of the knuckle forging 10.
As shown in fig. 1 to 5, the first hydraulic mechanism is a main structure of the servo hydraulic machine and the mold, and is driven and controlled by the driving and controlling unit to provide a stable and accurate driving force for the bending and forming mold. The first hydraulic mechanism comprises a first oil cylinder 1, a first piston rod 2, a first cross beam 3, a side wall 4, a sliding block 5, an ejector 6 and a second cross beam 17. This first hydraulic pressure mechanism is whole to be cavity cuboid structure, is equipped with lateral wall 4 in the relative both sides face position of this cavity cuboid structure, is equipped with guide structure at this lateral wall 4 to for slider 5 provides stable direction, ensure the bending type that knuckle forging 10 can be accurate, and be equipped with cuboid platelike first crossbeam 3 and second crossbeam 17 respectively at its top face and bottom face, simultaneously, be equipped with the circular through-hole that is used for installing first hydro-cylinder 1 at the intermediate position of this first crossbeam 3. Preferably, the first cross beam 3, the side wall 4 and the second cross beam 17 are made of thick steel plates, and the integral frame body of the first hydraulic mechanism is manufactured in a welding mode, so that stable and reliable support is provided for other internal components, and normal operation of the servo hydraulic machine and the die is guaranteed. The first oil cylinder 1 is a hollow cylindrical structure arranged at the position of a circular through hole of the first cross beam 3, a circular boss at the inner side is arranged at the position of a cylindrical opening of the first oil cylinder 1, and oil pipes are connected at the top and the bottom of one side surface of the first oil cylinder 1 so as to facilitate the connection of the first oil cylinder 1 with the driving and control unit. The first cylinder 1 is internally provided with a cylindrical first piston rod 2, the outer diameter of the top position of the first piston rod 2 is matched with the inner diameter of the first cylinder 1 in size, the outer diameter of the bottom structure of the first piston rod is matched with the inner diameter of the cylindrical opening of the first cylinder 1, the first piston rod 2 drives a sliding block 5 arranged at the bottom end of the first piston rod, and then the driving of a bending forming die is completed. The bottom of the first piston rod 2 is fixedly connected with a rectangular plate-shaped sliding block 5, a cylindrical hole used for rectangular plate-shaped installation is formed in the middle of the bottom end face of the cylindrical rectangular plate, the side face of the sliding block 5 is matched with a guide structure arranged on the side wall 4, so that the sliding block 5 can move along a fixed direction, accurate driving force is provided for a bending forming die arranged at the bottom of the sliding block 5, and accuracy and reliability of the servo hydraulic machine and the die are improved. The ejector 6 is arranged inside the cylindrical hole of the sliding block 5 and is ejected out by the ejector 6 when the knuckle forging 10 cannot be demoulded with a bending forming die, so that the demoulding of the knuckle forging 10 is facilitated.
In addition, the second hydraulic mechanism is arranged at the bottom of the first hydraulic mechanism and matched with the first hydraulic mechanism of the first hydraulic mechanism, so that driving force is provided for the bending forming die. The second hydraulic mechanism includes a second cylinder plunger rod 14, a second cylinder 15 and a backing plate 16. The base plate 16 is a rectangular plate provided with the top end of the second cross beam 17, a circular through hole facilitating installation of the second oil cylinder 15 is formed in the middle position of the base plate, preferably, the base plate 16 is made of steel, the base plate 16 bears load produced by bending of a top component of the base plate 16, and overall stability of the servo hydraulic machine and the die is guaranteed. The round through hole of the backing plate 16 is provided with a hollow cylindrical second oil cylinder 15, and the bottom of the second oil cylinder 15 is connected with an oil pipe so as to be connected with a driving and control unit to provide driving force, meanwhile, a cylindrical second oil cylinder plunger rod 14 is arranged inside the second oil cylinder 15, the bottom outer diameter of the second oil cylinder plunger rod 14 is larger than the outer diameters of other parts, the bottom outer diameter of the second oil cylinder plunger rod 14 is matched with the outer diameter of the second oil cylinder 15, and the second oil cylinder 15 and the second oil cylinder plunger rod 14 provide upward driving force for a bending forming die so as to complete bending forming of the knuckle forging 10.
The bending forming die is arranged between the first hydraulic mechanism and the second hydraulic mechanism, and is in direct contact with the knuckle forging 10, and the bending forming of the knuckle forging 10 is completed through the driving force generated by the first hydraulic mechanism and the second hydraulic mechanism. The bending forming die comprises an upper die plate 7, an upper die 8, a fixed lower concave die holder 9, a fixed lower concave die 11, a floating lower concave die 12 and a press workbench 13. The press table 13 is a rectangular plate fixedly arranged on the backing plate 16, and a circular through hole is arranged in the middle of the rectangular plate, and the size of the circular through hole is matched with that of the second cylinder plunger rod 14, so that the second cylinder plunger rod 14 can normally pass through the circular through hole. A rectangular groove-shaped fixed lower concave die holder 9 is fixedly arranged on the top end surface of the press workbench 13, and a rectangular hole is formed in one side of the bottom end surface of the rectangular groove-shaped fixed lower concave die holder, so that the floating lower concave die 12 can be conveniently installed. A fixed lower female die 11 is fixedly arranged on the other side of the bottom end surface of the rectangular groove, the bottom structure of the fixed lower female die 11 is matched with the bottom structure of the fixed lower female die holder 9, and the bottom curved surface structure of the fixed lower female die is determined according to the bending forming requirement of the knuckle forging 10. In the process of bending and forming the knuckle forging 10, the fixed lower concave die 11 is matched with a top component of the knuckle forging, and the knuckle forging 10 is bent into a shape meeting design requirements under the driving action of the driving and controlling unit. A floating lower female die 12 is arranged at a rectangular orifice of the fixed lower female die holder 9, the bottom of the floating lower female die holder is structurally matched with the fixed lower female die holder 9, and a female die is arranged at the top of the floating lower female die holder according to the shape of the knuckle forging 10. And the bottom of the floating lower concave die 12 is fixedly connected with a second oil cylinder plunger rod 14, and the second oil cylinder plunger rod 14 provides the lifting driving force of the floating lower concave die 12, so that the bending forming of the knuckle forging 10 is facilitated. In addition, a rectangular plate-shaped upper die plate 7 is fixedly arranged at the bottom end surface of the slide block 5, and a circular through hole through which a knockout rod of the knockout 6 can pass is formed in the middle of the upper die plate 7. An upper die 8 with a circular through hole in the middle is fixedly arranged at the bottom end of an upper die plate 7, so that a knockout rod of a knockout 6 can extend out conveniently, normal taking-out of a knuckle forging 10 is guaranteed, meanwhile, the top of the upper die 8 is of a cuboid structure, and a bottom curved surface structure of the upper die generates different design curved surfaces according to different design requirements, so that bending forming of the knuckle forging 10 is guaranteed, and the applicability and reliability of the servo hydraulic press and the die are improved.
The driving and controlling unit is connected with the first oil cylinder 1 and the second oil cylinder 15 through oil pipes, and provides stable and controllable driving force for the first oil cylinder 1 and the second oil cylinder 15, so that the normal bending forming of the steering knuckle forge piece 10 by the servo hydraulic machine and the die is guaranteed. The driving and controlling unit comprises a first oil cylinder driving and controlling subsystem and a closed-pressure type mold closing driving and controlling subsystem. The first cylinder driving and controlling subsystem is connected with two oil pipes reserved on the first cylinder 1, and comprises a first servo motor 23, a first oil pump 24, a reversing valve 25, a first oil pressure gauge 26, a first overflow valve 27 and an oil tank 28. The first oil pump 24 is driven by the first servo motor 23 to provide hydraulic pressure, and then the hydraulic pressure is transmitted to the first oil cylinder 1 through the reversing valve 25 to provide driving force for the first piston rod 2, and the first oil pressure gauge 26 and the first overflow valve 27 are arranged on the whole oil path of the first oil pump to record, monitor and control the hydraulic pressure, so that the accuracy and the reliability of the servo hydraulic machine and the die are improved. The closed-pressure mold-closing drive and control subsystem includes a check valve 18, a second relief valve 19, a second hydraulic gauge 20, a second servomotor 21, a second oil pump 22, and an oil tank 28. In the subsystem, a second servo motor 21 drives a second oil pump 22 to generate hydraulic pressure to provide driving force for the second oil cylinder 15, and meanwhile, a one-way valve 18, a second overflow valve 19 and a second oil pressure gauge 20 are arranged on the oil path, so that the driving force borne by the first oil cylinder 1 is recorded and controlled, and the normal work of a servo hydraulic machine and a die is guaranteed.
The utility model relates to a bent arm knuckle system of taking shape of bending, theory of operation and concrete implementation step are as follows:
step 1: the hydraulic press is operated so that the upper die 8 and the floating lower die 12 are at their respective upper limit positions.
Step 2: the trimmed knuckle forging 10 is placed in a die cavity consisting of a floating lower die 12 and a fixed lower die 11.
And step 3: operating the hydraulic press to enable the upper die 8 to move downwards to be closed with the floating lower female die 12 and to tightly press the rod part, the flange plate and the rear front arm of the knuckle forging 10, enabling only the front end of the straight-wall front arm to be in contact with the curved surface of the fixed lower female die holder 9, enabling the front end to be in a suspended state to the joint part of the flange plate, namely an initial state before bending, enabling the end of the straight-wall front arm to be drawn close to the punch on the upper die 8 to be bent and formed when the upper die 8 moves downwards to the terminal point through the interaction of the punch on the upper die 8, the combined fixed lower female die holder 9 and the fixed lower female die 11, and enabling the end of the straight-wall front arm to slide along the curved surface of the combined fixed lower female die
And 4, step 4: and repeating the first step of operation method, when the upward stroke is started, the upper die 8, the knuckle forging 10 and the floating lower female die 12 move upwards together until the floating lower female die 12 reaches the upper limit position and stop moving, at the moment, the knuckle forging 10 is separated from the combined fixed lower female die, the upper die 8 continues moving upwards to the upper limit position, if the knuckle forging 10 stays in the die cavity of the upper die 8, the knuckle forging is ejected by the ejector 6, and at this moment, one working cycle is finished.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (8)
1. A bending and forming system of a bent arm steering knuckle is characterized by comprising a first hydraulic mechanism, a second hydraulic mechanism, a bending and forming die arranged between the first hydraulic mechanism and the second hydraulic mechanism, and a driving control unit respectively connected with the first hydraulic mechanism and the second hydraulic mechanism; wherein,
the first hydraulic mechanism and the second hydraulic mechanism jointly form a cylinder body capable of accommodating the bending forming die, the first hydraulic mechanism comprises a first piston rod (2) and a sliding block (5) which is fixed on the first piston rod (2) and can move along the inner wall of the cylinder body, and the second hydraulic mechanism comprises a second oil cylinder plunger rod (14);
the bending forming die comprises an upper die plate (7) fixed below the sliding block (5), an upper die (8) fixed below the upper die, a fixed lower concave die holder (9), a fixed lower concave die (11) and a floating lower concave die (12) which are arranged in the fixed lower concave die holder (9), and a knuckle forging piece (10) is arranged in the cavities of the fixed lower concave die (11) and the floating lower concave die (12);
the driving control unit comprises an oil tank (28), a first driving control mechanism and a second driving control mechanism, one end of the first driving control mechanism and one end of the second driving control mechanism are communicated with the oil tank (28), the other end of the first driving control mechanism and the other end of the second driving control mechanism are communicated with the first hydraulic mechanism and the second hydraulic mechanism respectively through oil pipes, the first driving control mechanism and the second driving control mechanism control the first piston rod (2) to push the upper die (8) to move downwards to close the floating lower female die (12) according to forming parameters of the knuckle forging (10), the knuckle forging (10) is compressed, and the first piston rod and the floating lower female die (12) act together through a second oil cylinder plunger rod (14), and bending forming of the knuckle forging (10) is achieved.
2. A bending knuckle bending and forming system according to claim 1, wherein the first hydraulic mechanism comprises a first beam (3) and a side wall (4), the second hydraulic mechanism comprises a second beam (17), and the first beam (3), the side wall (4) and the second beam (17) together form a frame body.
3. A bending and forming system for a knuckle according to claim 2, wherein the first hydraulic mechanism comprises a first cylinder (1), the first cylinder (1) penetrates through the first beam (3) and is connected with the cylinder body in a sealing manner, and the first piston rod (2) is arranged in the first cylinder (1).
4. The bending and forming system of the knuckle according to claim 1, wherein the bending and forming mold comprises a backing plate (16) and a press workbench (13) arranged on the backing plate (16).
5. The bending and forming system for the knuckle according to claim 4, wherein the bending and forming mold comprises an ejector (6), the ejector (6) is arranged in a central hole at the bottom of the sliding block (5) and penetrates through the upper template (7) to be in contact with the upper mold (8).
6. The bending and forming system for the knuckle according to claim 4, wherein the second hydraulic mechanism comprises a second oil cylinder (15), the second oil cylinder (15) is arranged in the backing plate (16), one end of a second oil cylinder plunger rod (14) is arranged in the second oil cylinder (15), and the other end of the second oil cylinder plunger rod passes through the press workbench (13) to be in contact with the fixed lower die holder (9).
7. A bending arm knuckle bending forming system according to claim 3, wherein the first driving control mechanism comprises a first servo motor (23), a first oil pump (24), a reversing valve (25), a first oil pressure gauge (26) and a first overflow valve (27), wherein the first oil pump (24) is driven by the first servo motor (23) to control the pressure of the first oil cylinder (1), and oil inlet and outlet control is realized through the reversing valve (25);
the first oil pressure gauge (26) and the first overflow valve (27) are arranged on the other branch pipeline and are connected with the pipeline of the first drive control mechanism in parallel.
8. A knuckle according to any one of claims 1-6, wherein the second drive control mechanism comprises a check valve (18), a second relief valve (19), a second oil pressure gauge (20), a second servomotor (21) and a second oil pump (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922009802.XU CN211679442U (en) | 2019-11-20 | 2019-11-20 | Bending and forming system for knuckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922009802.XU CN211679442U (en) | 2019-11-20 | 2019-11-20 | Bending and forming system for knuckle |
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| Publication Number | Publication Date |
|---|---|
| CN211679442U true CN211679442U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922009802.XU Active CN211679442U (en) | 2019-11-20 | 2019-11-20 | Bending and forming system for knuckle |
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| CN (1) | CN211679442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899411A (en) * | 2019-11-20 | 2020-03-24 | 武汉新威奇科技有限公司 | Bending forming system and method for knuckle |
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2019
- 2019-11-20 CN CN201922009802.XU patent/CN211679442U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899411A (en) * | 2019-11-20 | 2020-03-24 | 武汉新威奇科技有限公司 | Bending forming system and method for knuckle |
| CN110899411B (en) * | 2019-11-20 | 2024-10-18 | 武汉新威奇科技有限公司 | Bending forming system and method for bent arm knuckle |
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