CN219620253U - Automatic inserting device for stamping sheet - Google Patents

Abstract

The utility model relates to an automatic sheet inserting device for punching, comprising: the feeding device is used for conveying the sheet; the material distributing device is arranged opposite to the feeding device and is used for distributing the sheets; the feeding device is arranged opposite to the distributing device and is used for conveying the sheets distributed by the distributing device; the lifting device is positioned at one side of the feeding device and used for lifting the flower basket; and the clamping device is arranged on the lifting device and used for clamping the flower basket. The automatic sheet inserting device for the punched sheets can automatically insert the punched sheets into the flower basket in sequence, is high in inserting efficiency, is not easy to deform, and reduces labor intensity and cost.

Description

Automatic inserting device for stamping sheet

Technical Field

The utility model relates to an inserting device, in particular to an automatic inserting device for stamping sheets.

Background

The partially punched sheet 91 needs to be post-processed, and needs to be cleaned before post-processing, as shown in fig. 15, the sheet 91 (back plate) of a small-sized liquid crystal display needs to be cleaned of greasy dirt on the surface before assembly, and because the sheet 91 is light in weight and small in size, the sheet needs to be transported and cleaned through a customized basket 92 (shown in fig. 16), a plurality of slots are arranged on the basket 92 in an array, the sheet 91 is conveniently inserted, and then the basket 92 is sent into a cleaning device for cleaning. Because the insert amount is large, the efficiency of adopting manual insert is low, the cost is high, and the labor intensity is high, so how to realize automatic insert is a problem to be solved urgently.

Disclosure of Invention

In order to solve the problems, the utility model provides an automatic sheet inserting device for punching sheets, which can automatically insert punched sheets onto a flower basket and has high inserting efficiency, and the automatic sheet inserting device for punching sheets has the following specific technical scheme:

an automatic tab device for stamping a sheet material, comprising: the feeding device is used for conveying the sheet; the material distributing device is arranged opposite to the feeding device and is used for distributing the sheets; the feeding device is arranged opposite to the distributing device and is used for conveying the sheets distributed by the distributing device; the lifting device is positioned at one side of the feeding device and used for lifting the flower basket; and the clamping device is arranged on the lifting device and used for clamping the flower basket.

Preferably, the feeding device comprises: a conveying device for conveying a sheet; and the reversing device is positioned on the conveying device and used for changing the conveying direction of the sheet.

Further, the conveying device includes: a first conveyor line; the second conveying line is positioned between the first conveying line and the reversing device; and the third conveying line is positioned on one side of the reversing device.

Further, the reversing device includes: the reversing conveying line is provided with a reversing groove, and a reversing conveying belt on the reversing conveying line is arranged along the reversing groove; and the reversing lifting conveying line is arranged in a crossing manner with the reversing conveying line, a reversing lifting conveying belt of the reversing lifting conveying line is movably inserted into the reversing groove, and a reversing lifting cylinder is arranged at the bottom of the reversing lifting conveying line.

Preferably, the automatic feeding device further comprises a transition conveying line, wherein the transition conveying line is positioned between the two material distributing devices, and the lifting device and the clamping device are both provided with two.

Preferably, the material distributing device comprises: a material distributing cylinder; the lifting material distribution frame is arranged on the material distribution cylinder and provided with a plurality of material distribution grooves; the lifting material distributing rollers are arranged on the lifting material distributing frame and arranged along the material distributing grooves, and are also symmetrically positioned on two sides of the lifting material distributing frame; the lifting material distribution belt is arranged on the lifting material distribution roller and arranged along the material distribution grooves, and corresponds to at least two material distribution grooves; the lifting material distributing motor is arranged on the lifting material distributing frame, connected with the lifting material distributing belt and used for driving the lifting material distributing belt to rotate; the fixed material distribution frame is arranged in a crossing way with the lifting material distribution frame; the active material distributing roller is arranged at one end of the fixed material distributing frame; the driven material distributing roller is arranged at the other end of the fixed material distributing frame; the fixed material distributing belt is arranged on the driving material distributing roller and the driven material distributing roller and is movably inserted into the material distributing groove; and the fixed material distributing motor is arranged on the fixed material distributing frame and is connected with the active material distributing roller.

Further, the lifting material-distributing belt is a flat belt.

Further, the material distributing cylinders are symmetrically arranged at two ends of the lifting material distributing frame.

Preferably, the feeding device comprises: a feeding frame; the active feeding roller is arranged at one end of the feeding frame and is connected with one end of the distributing device; the feeding motor is connected with the active feeding roller; the driven feeding roller is arranged at the other end of the feeding frame and is positioned at one end of the lifting device; and the feeding belt is arranged on the driving feeding roller and the driven feeding roller.

Preferably, the clamping device comprises: the clamping frame is fixed on the lifting sliding table of the lifting device, and a positioning block is arranged at the bottom of the clamping frame; the fixed clamping blocks are fixed at the top and the bottom of the clamping frame; the clamping cylinder is fixed at the top and the bottom of the clamping frame; the movable clamping block is fixed on the clamping cylinder and is arranged opposite to the fixed clamping block.

Compared with the prior art, the utility model has the following beneficial effects:

the automatic sheet inserting device for the punched sheets can automatically insert the punched sheets into the flower basket in sequence, is high in inserting efficiency, is not easy to deform, and reduces labor intensity and cost.

Drawings

FIG. 1 is a schematic view of a structure of an automatic tab device for stamping sheet material;

FIG. 2 is a top view of an automatic tab device for stamping sheet material;

FIG. 3 is a schematic view of the structure of the first conveyor line;

fig. 4 is a schematic structural view of the reversing device;

FIG. 5 is a schematic structural view of a reversing conveyor line;

FIG. 6 is an elevation view of the reversing conveyor line;

FIG. 7 is a schematic structural view of a reversing lift conveyor line;

FIG. 8 is an assembly schematic of a feed divider, a feed feeder, and a transition conveyor line;

FIG. 9 is a schematic view of a structure of a part of the material separating device with a lifting function;

fig. 10 is a front view of fig. 9;

FIG. 11 is a schematic structural view of a fixed part in the distributing device;

FIG. 12 is a schematic structural view of a feeding device;

FIG. 13 is a top view of the loading device;

FIG. 14 is a schematic view of an assembly of a lifting device and a clamping device;

FIG. 15 is a schematic view of the structure of a sheet;

fig. 16 is a schematic view of the structure of the basket.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings.

As shown in fig. 1 to 16, an automatic sheet inserting device for punching comprises a frame, and a feeding device, a distributing device, a feeding device 6, a lifting device 7 and a clamping device 8 which are all arranged on the frame. Wherein the feeding device is for conveying the sheet 91; the material distributing device is arranged opposite to the feeding device and is used for distributing the sheet 91; the feeding device 6 is arranged opposite to the distributing device and is used for conveying the sheets 91 distributed by the distributing device; the lifting device 7 is positioned at one side of the feeding device 6 and is used for lifting the flower basket 92; the clamping device 8 is mounted on the lifting device 7 for clamping the basket 92.

The machine frame comprises a side machine frame 21 and a main frame 22, wherein the side machine frame 21 is positioned on one side of the main frame 22, and the side machine frame 21 and the main frame are L-shaped, so that the field can be saved, and the structure is compact.

The feeding device comprises a conveying device and a reversing device 3. The conveying device comprises a first conveying line 11, a second conveying line 12 and a third conveying line 13 which are all installed on a frame and are similar in structure, wherein the first conveying line 11 is installed at the end part of a side frame 21 and is opposite to the discharging end of a punching machine and is used for directly conveying punched sheets 91 to the second conveying line 12, the second conveying line 12 is installed on the side frame 21 and is located at one end of the first conveying line 11 and is also located at one end of a reversing device 3, the third conveying line 13 is located at one side of the reversing device 3 and is installed at one side of a main frame 22, the third conveying line 13 is perpendicular to the second conveying line 12, the reversing device 3 is installed on the side frame 21 and is located at the intersection of the third conveying line 13 and the second conveying line 12 and is used for transferring the sheets 91 from the side frame 21 to the main frame 22.

The first conveyor line 11 comprises a first conveyor frame 111, a first conveyor motor 114, a first driving pulley 113, a first driven pulley 116, a first conveyor belt 117, a first stock guide 118 and a first sensor 119. The first conveying frame 111 is arranged at the top of the side frame 21, the first material guide plates 118 are symmetrically arranged at two sides of the top of the first conveying frame 111, the first driving belt wheel 113 is rotatably arranged at one end of the first conveying frame 111 through the first driving shaft 112, and two first driving belt wheels are symmetrically arranged; the first driven pulley 116 is rotatably mounted at the other end of the first carriage 111 through a first driven shaft 115, and is symmetrically provided in two, and the first driven pulley 116 is also disposed opposite to the first driving pulley 113. The first conveyor belt 117 is a flat belt, and the first conveyor belt 117 is sleeved on the first driving pulley 113 and the first driven pulley 116 and is located between two first guide plates 118. The first conveying motor 114 is mounted on the first conveying frame 111, and is connected to the first driving shaft 112 through a timing pulley and a timing belt, to thereby effect rotation of the first conveying belt 117. The sheet 91 is conveyed by the first conveyor belt 117 and is located between two first guide plates 118, the first guide plates 118 preventing the sheet 91 from falling off the first conveyor belt 117. A first sensor 119 is mounted on the first carriage 111 and located between the two first conveyor belts 117 for detecting whether or not the sheet 91 passes. The first sensor 119 is a photosensor.

The reversing device 3 comprises a reversing conveying line 31 and a reversing lifting conveying line 32.

The reversing conveying line 31 comprises a reversing frame 311, a reversing belt 318, a driving reversing wheel 312, a driven reversing wheel 314, reversing rollers 317 and a reversing motor 316. The reversing frame 311 is arranged at the top of the side frame 21, two reversing grooves 3111 are symmetrically arranged on the reversing frame 311, reversing rollers 317 are respectively arranged at the two sides and the bottom of the reversing groove 3111, and the reversing rollers 317 are also arranged on the reversing frame 311. The driving reversing wheel 312 is rotatably mounted at one end of the reversing frame 311 through a driving reversing shaft 313, the driven reversing wheel 314 is rotatably mounted at the other end of the reversing frame 311 through a driven reversing shaft 315, the reversing belt 318 is a circular belt, and the reversing belt 318 is sleeved on the driving reversing wheel 312, the driven reversing wheel 314 and the reversing roller 317 and is arranged along the reversing groove 3111. The reversing motor 316 is mounted on the reversing frame 311 and is connected to the driving reversing shaft 313 via a timing belt and a timing pulley.

The reversing lifting conveying line 32 comprises a reversing lifting frame 321, a reversing conveying electric 324 machine, a driving reversing belt wheel 325, a driven reversing belt wheel 326, a reversing lifting conveying belt 327 and a reversing lifting cylinder 322, wherein the reversing lifting cylinder 322 is arranged at the top of the side frame 21, the reversing lifting frame 321 is arranged on a piston rod of the reversing lifting cylinder 322, the driving reversing belt wheel 325 and the driven reversing belt wheel 326 are respectively rotatably arranged at two ends of the reversing lifting frame 321, the reversing lifting conveying belt 327 is sleeved on the driving reversing belt wheel 325 and the driven reversing belt wheel 326, and the reversing lifting conveying belt 327 is a circular belt. Reversing conveyance power 324 is electrically mounted to reversing elevator 321 and is connected to a driving reversing pulley 325 via a timing belt and a timing pulley. The bottom of the reversing lifting frame 321 is provided with two reversing guide shafts 323, the reversing guide shafts 323 are symmetrically arranged on two sides of the reversing lifting cylinder 322 and are connected with the top of the side frame 21 through linear bearings, so that the reversing lifting frame 321 is prevented from rotating, and stability in lifting is improved.

The reversing lifting conveyor belt 327 is movably inserted in the reversing groove 3111, when reversing is needed, a piston rod of the reversing lifting cylinder 322 extends out to drive the reversing lifting frame 321 to lift, and the reversing lifting conveyor belt 327 ascends above the reversing belt 318, so that the sheet 91 on the reversing belt 318 is lifted, the sheet 91 is transferred to the reversing lifting conveyor belt 327, and the sheet 91 is driven to move towards the third conveying line 13. When not reversing, the piston rod of the reversing lift cylinder 322 is in a retracted state and the reversing lift belt 327 is positioned below the reversing belt 318.

The material distributing device comprises a material distributing cylinder 41, a lifting material distributing frame 42, a lifting material distributing roller 44, a lifting material distributing belt 45, a lifting material distributing motor 46, a fixed material distributing frame 51, a driving material distributing roller 54, a driven material distributing roller 58, a fixed material distributing belt 59 and a fixed material distributing motor 53. The material distributing cylinder 41 is fixed at the top of the main frame 22, two material distributing cylinders are symmetrically arranged, piston rods of the material distributing cylinders 41 are connected with the lifting material distributing frame 42, eight material distributing grooves 421 are arranged on the lifting material distributing frame 42 in an array mode, and two material distributing grooves 421 are arranged in a group. Four material distributing guide shafts 43 are arranged at the bottom of the lifting material distributing frame 42, and the material distributing guide shafts 43 are connected with the top of the main frame 22 through linear bearings and are used for improving the lifting stability and reliability of the lifting material distributing frame 42. The lifting and separating rollers 44 are installed on the lifting and separating frame 42 and symmetrically located on two sides of the lifting and separating frame 42, the lifting and separating rollers 44 are arranged along the separating groove 421, and the lifting and separating rollers 44 are also symmetrically located on two sides of the lifting and separating frame 42. The lifting and separating belt 45 is a flat belt, so that the sheet 91 is conveniently conveyed; the lifting material distributing belts 45 are arranged on the lifting material distributing rollers 44 and are arranged along the material distributing grooves 421, the lifting material distributing belts 45 are four, and the lifting material distributing belts 45 correspond to the two material distributing grooves 421; the lifting and distributing motors 46 are arranged on the lifting and distributing frame 42, the lifting and distributing motors 46 are four and correspond to the lifting and distributing belts 45 one by one, lifting and distributing belts 45 are arranged on the lifting and distributing motors 46, the lifting and distributing belts 45 are sleeved on the lifting and distributing belts 45 and the lifting and distributing rollers 44, and the lifting and distributing motors 46 are used for driving the lifting and distributing belts 45 to rotate.

The fixed material distributing frame 51 is arranged at the top of the main frame 22, the fixed material distributing frame 51 and the lifting material distributing frame 42 are arranged in a crossing way, specifically, the fixed material distributing frame 51 comprises a front material distributing frame 51 and a rear material distributing frame 52 which are both fixed on the main frame 22, the front material distributing frame 51 is U-shaped, the lifting material distributing frame 42 is positioned between the front material distributing frame 51 and the rear material distributing frame 52, eight driving material distributing rollers 54 and eight driven material distributing rollers 58 are arranged, the driving material distributing rollers 54 are rotatably arranged on the front material distributing frame 51 through driving material distributing shafts 55, the driven material distributing rollers 58 are rotatably arranged on the rear material distributing frame 52 through driven material distributing shafts 57, and fixed material distributing belts 59 are sleeved on the driving material distributing rollers 54 and the driven material distributing rollers 58 and are movably inserted in the material distributing grooves 421; the fixed material distributing motor 53 is installed on the fixed material distributing frame 51, and is connected with the active material distributing shaft 55 through a coupling to drive the fixed material distributing belt 59 to rotate, and the fixed material distributing belt 59 is a circular belt.

The feeding device 6 comprises a feeding frame, a driving feeding roller 67, a feeding motor 68, a driven feeding roller 64 and a feeding belt 65, wherein the feeding frame comprises a front feeding frame 61, a rear feeding frame 62 and a feeding rod 63, the front feeding frame 61 and the rear feeding frame 62 are both fixed at the top of the main frame 22, the front feeding frame 61 is located at one side of the rear distributing frame 52, the rear feeding frame 62 is located at one side of the lifting device 7, and the feeding rod 63 is fixed at the top of the rear feeding frame 62. The active feeding rollers 67 are rotatably mounted on the front material rack 61 through the active feeding shaft 66, and eight active feeding rollers 67 are symmetrically arranged in pairs. The driven feeding rollers 64 are rotatably mounted on two sides of the feeding rod 63 and are in one-to-one correspondence with the driving feeding rollers 67, the feeding belt 65 is a circular belt, and the feeding belt 65 is sleeved on the driving feeding rollers 67 and the driven feeding rollers 64. A feed motor 68 is mounted on top of the main frame 22 and is connected to the drive feed shaft 66 by a timing belt and a timing pulley.

In order to improve efficiency, the device further comprises a transition conveying line 14, wherein the transition conveying line 14 is positioned between the two material distributing devices, and the lifting device 7 and the clamping device 8 are respectively provided with two. The structure of the transition conveyor line 14 is identical to that of the third conveyor line 13.

The clamping device 8 comprises a clamping frame, a fixed clamping block 84, a clamping cylinder 86 and a movable clamping block 85, wherein the lifting device 7 is a linear module, the linear module is symmetrically fixed at one end of the main frame 22, the clamping frame is fixed on a lifting sliding table 71 of the lifting device 7, the clamping frame comprises a vertical clamping plate 81, an upper clamping plate 82 and a lower clamping plate 83, the vertical clamping plate 81 is fixed on the lifting sliding table 71, the upper clamping plate 82 and the lower clamping plate 83 are arranged at two ends of the vertical clamping plate 81, a first feeding groove 832 and a positioning block 831 are arranged on the lower clamping plate 83, the positioning block 831 is arranged on one side of the first feeding groove 832 and used for positioning a flower basket 92, a second feeding groove 821 is arranged on the upper clamping plate 82 and opposite to the first feeding groove 821, and opposite to the flower basket 92, and meanwhile, the feeding rod 63 is opposite to the first feeding groove 832 and the second feeding groove 821. The fixed clamping block 84 is fixed on the upper clamping plate 82 and the lower clamping plate 83 and is positioned at one side of the vertical clamping plate 81; the clamping cylinder 86 is fixed to the upper and lower clamping plates 82 and 83, and is a biaxial cylinder, and the movable clamping block 85 is fixed to a piston rod of the clamping cylinder 86 and is disposed opposite to the fixed clamping block 84. The upper clamping plate 82 is provided with a clamping sensor 87, and the clamping sensor 87 is a photoelectric sensor for detecting whether the flower basket 92 is arranged.

During operation, the flower basket 92 is inserted into the clamping frame, the flower basket 92 abuts against the positioning block 831 of the lower clamping plate 83, the flower basket 92 is detected by the clamping sensor 87, the clamping cylinder 86 is started, and the clamping cylinder 86 drives the movable clamping block 85 to press the flower basket 92 on the fixed clamping block 84. Then elevating gear 7 drives the basket 92 and moves to the zero position, make the slot at basket 92 top set up with the material loading pole 63 relatively, then start material feeding unit, first transfer chain 11 and second transfer chain 12 carry the sheet 91 of continuous mould punching press to switching-over transfer chain 31, switching-over lift cylinder 322 of switching-over transfer chain 31 rise switching-over lift transfer chain, make sheet 91 turn to on the third transfer chain 13, third transfer chain 13 carries sheet 91 to the feed divider, when the feed divider's of feed divider divides the material cylinder 41 to withdraw, sheet 91 shifts to fixed feed divider belt 59 from lift feed divider belt 45, fixed feed divider belt 59 carries sheet 91 to the material loading belt 65 of material loading unit 6, material loading belt 65 inserts sheet 91 in the slot at basket 92 top, wherein, the feed divider goes up and down four times in proper order, insert four sheets 91 in four slots at basket 92 top, then elevating gear 7 drive basket 92 rise one sheet 91's position, so reciprocate until this basket 92, then the transfer chain of feed divider keeps the state of stretching out, make sheet 91 get into transition conveyor chain 14, it is full of feed divider 92, it is loaded to another to carry out to fill up to the material loading device to carry out, the high-level operation efficiency is carried out to basket 92, the other side of feed divider 6, the basket 92 is carried out to the empty carrier 92, and the device is carried out to the continuous operation is carried out to the basket 92, the basket 92 is carried out, and the high efficiency is held by another person is carried out, and is high to take up and is carried out to carry out, basket device is carried down, and is carried by basket device.

Because the thickness of the sheet 91 is only 0.1mm, and the sheet is made of aluminum plate, the sheet is easy to deform, and after the automatic inserting sheet is adopted, the sheet 91 is small in stress and not easy to deform, so that the qualification rate of the product is improved.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will occur to those skilled in the art from consideration of the specification and practice of the utility model without the need for inventive faculty, and are within the scope of the claims.

Claims (10)

1. An automatic tab device for stamping a sheet material, comprising:

a feeding device for conveying a sheet (91);

the material distributing device is arranged opposite to the feeding device and is used for distributing the sheet (91);

the feeding device (6) is arranged opposite to the distributing device and is used for conveying the sheets (91) distributed by the distributing device;

the lifting device (7) is positioned on one side of the feeding device (6) and used for lifting the flower basket (92); and

And the clamping device (8) is arranged on the lifting device (7) and is used for clamping the flower basket (92).

2. An automatic tab inserting device for punched sheets as claimed in claim 1, wherein,

the feeding device comprises:

a conveying device for conveying a sheet (91); and

-reversing means (3), said reversing means (3) being located on said conveying means for changing the conveying direction of the sheet (91).

3. An automatic tab feeding apparatus for punched sheets as claimed in claim 2, wherein,

the conveying device comprises:

a first conveyor line (11);

-a second conveyor line (12), the second conveyor line (12) being located between the first conveyor line (11) and the reversing device (3);

and the third conveying line (13), the third conveying line (13) is positioned at one side of the reversing device (3).

4. An automatic tab feeding apparatus for punched sheets as claimed in claim 2, wherein,

the reversing device (3) comprises:

a reversing conveying line (31), wherein a reversing groove (3111) is arranged on the reversing conveying line (31), and a reversing conveying belt (318) on the reversing conveying line (31) is arranged along the reversing groove (3111); and

The reversing lifting conveying line (32), the reversing lifting conveying line (32) and the reversing conveying line (31) are arranged in a crossing mode, a reversing lifting conveying belt (327) of the reversing lifting conveying line (32) is movably inserted into the reversing groove (3111), and a reversing lifting cylinder (322) is arranged at the bottom of the reversing lifting conveying line (32).

5. An automatic tab inserting device for punched sheets as claimed in claim 1, wherein,

still include transition transfer chain (14), transition transfer chain (14) are located two between the feed divider, elevating gear (7) with clamping device (8) all are equipped with two.

6. An automatic tab device for punched sheets as claimed in any one of claims 1 to 5, wherein,

the feed divider includes:

a material distributing cylinder (41);

the lifting material distribution frame (42), wherein the lifting material distribution frame (42) is arranged on the material distribution cylinder (41), and a plurality of material distribution grooves (421) are formed in the lifting material distribution frame (42);

the lifting material distributing roller (44), the lifting material distributing roller (44) is arranged on the lifting material distributing frame (42) and is arranged along the material distributing groove (421), and the lifting material distributing roller (44) is also symmetrically arranged at two sides of the lifting material distributing frame (42);

the lifting material distribution belt (45), wherein the lifting material distribution belt (45) is arranged on the lifting material distribution roller (44) and is arranged along the material distribution grooves (421), and the lifting material distribution belt (45) corresponds to at least two material distribution grooves (421); and

The lifting and distributing motor (46) is arranged on the lifting and distributing frame (42) and connected with the lifting and distributing belt (45) for driving the lifting and distributing belt (45) to rotate;

the fixed material distributing frame (51), the fixed material distributing frame (51) and the lifting material distributing frame (42) are arranged in a crossing way;

the active material distributing roller (54), the active material distributing roller (54) is arranged at one end of the fixed material distributing frame (51);

the driven material distributing roller (58), the driven material distributing roller (58) is arranged at the other end of the fixed material distributing frame (51);

a fixed material distributing belt (59), wherein the fixed material distributing belt (59) is arranged on the driving material distributing roller (54) and the driven material distributing roller (58) and is movably inserted into the material distributing groove (421); and

The fixed material distributing motor (53), the fixed material distributing motor (53) is installed on the fixed material distributing frame (51) and is connected with the active material distributing roller (54).

7. An automatic tab inserting device for a punched sheet as claimed in claim 6, wherein,

the lifting and separating belt (45) is a flat belt.

8. An automatic tab inserting device for a punched sheet as claimed in claim 6, wherein,

the material distributing cylinders (41) are symmetrically arranged at two ends of the lifting material distributing frame (42).

9. An automatic tab device for punched sheets as claimed in any one of claims 1 to 5, wherein,

the feeding device (6) comprises:

a feeding frame;

the active feeding roller (67) is arranged at one end of the feeding frame and is connected with one end of the distributing device;

the feeding motor (68), the feeding motor (68) is connected with the initiative feeding roller (67);

the driven feeding roller (64) is arranged at the other end of the feeding frame and is positioned at one end of the lifting device (7); and

And the feeding belt (65) is arranged on the driving feeding roller (67) and the driven feeding roller (64).

10. An automatic tab inserting device for punched sheets as claimed in claim 1, wherein,

the clamping device (8) comprises:

the clamping frame is fixed on a lifting sliding table (71) of the lifting device (7), and a positioning block (831) is arranged at the bottom of the clamping frame;

a fixed clamping block (84), the fixed clamping block (84) being fixed at the top and bottom of the clamping frame;

clamping cylinders (86), wherein the clamping cylinders (86) are fixed at the top and the bottom of the clamping frame; and

The movable clamping block (85) is fixed on the clamping cylinder (86), and is arranged opposite to the fixed clamping block (84).