CN113954426B

CN113954426B - Packing box handle mounting machine

Info

Publication number: CN113954426B
Application number: CN202111441669.0A
Authority: CN
Inventors: 寇海波; 周怀建; 高伟
Original assignee: Henan Tianrun Packaging Co ltd
Current assignee: Henan Tianrun Packaging Co ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2024-08-09
Anticipated expiration: 2041-11-27
Also published as: CN113954426A

Abstract

The application relates to the technical field of packaging box processing equipment, in particular to a packaging box handle mounting machine which comprises a frame, a handle conveying device arranged on the frame and a handle mounting mechanism arranged on the frame, wherein a support frame is arranged on one side of the frame, a support plate for placing a plurality of paperboards is arranged on the support frame, a lifting mechanism for driving the support plate to vertically and intermittently lift is arranged on the support frame, and a pushing mechanism for pushing the paperboards on the support plate onto the frame one by one is arranged on the frame. The application has the effect of improving the convenience of placing the paperboard on the rack and further reducing the labor intensity of workers.

Description

Packing box handle mounting machine

Technical Field

The application relates to the technical field of packaging box processing equipment, in particular to a packaging box handle mounting machine.

Background

The paper packaging box is processed by corrugated paper board at present, has the advantages of easy processing, low cost, suitability for printing, light weight, foldability, no pollution and the like, and is widely used in the food packaging industry. In the processing process of the packing box, the paperboard is die-cut firstly, when the die-cut is processed, a handle mounting hole is die-cut on the paperboard, and when the handle is mounted, a handle mounting machine is needed to be used, and the handle is mounted in the handle mounting hole through the handle mounting machine.

The existing handle mounting machine generally comprises a frame, a handle conveying device and a handle mounting mechanism, when the handle is mounted, a worker firstly places paperboards with handle mounting holes through die cutting in advance on the frame one by one, the paperboards are conveyed on the frame and conveyed to the handle mounting mechanism, and meanwhile the handle conveying device conveys the handle to the handle mounting mechanism, and the handle is mounted in the handle mounting hole of the paperboards through the handle mounting mechanism.

Aiming at the related technology, the inventor considers that the defects of inconvenient placement of the paperboard on the rack and high labor intensity exist.

Disclosure of Invention

In order to improve the convenience of placing the paperboard on the frame and further reduce the labor intensity, the application provides a packing box handle mounting machine.

The application provides a packing box handle mounting machine which adopts the following technical scheme:

The utility model provides a packing box handle mounting plate, includes the frame, sets up handle conveyor in the frame and sets up the handle installation mechanism in the frame, one side of frame is provided with the support frame, be provided with the backup pad that is used for placing a plurality of cardboards on the support frame, be provided with the elevating system that is used for driving the backup pad and carries out vertical intermittent type and go up and down on the support frame, be provided with in the frame and be used for promoting the pushing mechanism in the frame with the cardboard in the backup pad one by one.

Through adopting above-mentioned technical scheme, be provided with elevating system on the support frame, when need go up the paper to the cardboard, stack a plurality of cardboards in the backup pad, push away the frame through elevating system with the cardboard of top in, then elevating system work, rise the cardboard to move to elevating system department, start elevating system again, carry the cardboard, realize the persistence material loading to the cardboard, can promote the convenience that the cardboard placed in the frame, and then can reduce artifical intensity of labour.

Optionally: the lifting mechanism comprises a lifting block for driving the supporting plate to vertically and intermittently lift, a lifting assembly for driving the lifting block to vertically lift and an intermittent driving assembly for driving the lifting assembly to rotate.

Through adopting above-mentioned technical scheme, start intermittent drive subassembly, can drive lifting unit and rotate, and then drive the lifter block and go up and down, realize the lift of backup pad.

Optionally: the lifting assembly comprises a plurality of rotating rods which are in running fit on the supporting frame and are arranged along the vertical interval, a driven gear sleeved on the rotating rods and a toothed chain wound on the driven gear, the toothed chain is connected with the lifting block, and a plurality of supporting plates are arranged on the toothed chain at intervals.

Through adopting above-mentioned technical scheme, start intermittent drive subassembly, can drive the dwang and rotate, drive driven gear and rotate, and then drive the toothed chain and rotate, realize the lift of backup pad, the simple operation.

Optionally: the intermittent driving assembly comprises a first driving part arranged on the supporting frame, an incomplete gear arranged at the output end of the first driving part and a driving gear meshed with the incomplete gear, and the driving gear is connected with the rotating rod.

Through adopting above-mentioned technical scheme, start driving piece one, can drive incomplete gear rotation, drive the driving gear and carry out intermittent motion, and then drive the dwang and carry out intermittent motion, the simple operation.

Optionally: the pushing mechanism comprises a fixing frame arranged on the frame, a first driver arranged on the fixing frame and a pushing plate for pushing the uppermost paperboard of the supporting plate, and the pushing plate is connected with the output end of the first driver.

Through adopting above-mentioned technical scheme, start driver one, can drive the impeller plate and to being close to the upward motion of direction of frame to promote a cardboard that the backup pad is uppermost, push into in the frame, make the cardboard place more convenient in the frame.

Optionally: the pushing plate is provided with a tip at one end close to the stand, and the top end of the tip is obliquely upwards arranged in a direction away from the stand.

Through adopting above-mentioned technical scheme, through the setting of pointed end, when can making the impeller plate promote the cardboard, can insert between two adjacent cardboards, and then can reduce the frictional force between two adjacent cardboards, make the impeller plate more high-efficient to the promotion of cardboard.

Optionally: the paper board clamping device is characterized in that a plurality of clamping mechanisms are oppositely arranged on the fixing frame, each clamping mechanism comprises a second driver arranged on the fixing frame and a clamping plate used for clamping the paper board, and the clamping plates are arranged at the output end of the second driver.

Through adopting above-mentioned technical scheme, be provided with a plurality of fixture relatively on the mount, start driver two can drive the grip block and fix the centre gripping to the cardboard, and then when making the impeller to the cardboard promote, reduce the phenomenon that lower floor's cardboard can take place the skew.

Optionally: the support plate is provided with a sliding groove, the support plate is provided with a placement plate, and the placement plate is provided with a sliding block in sliding fit with the sliding groove.

Through adopting above-mentioned technical scheme, through the setting of placing the board, can pile up the cardboard to place on the board, when needs use the cardboard, directly make the slider of placing the board corresponding with the spout, will place in the board pushes the backup pad, can realize the material loading to the cardboard, and then can pile up another pile of cardboard to another in-process of using on placing the board reserve, make the material loading efficiency of cardboard higher.

Optionally: the pushing mechanism comprises a second driving piece arranged on the supporting plate, a screw rod arranged at the output end of the second driving piece and a pushing block used for pushing the placing plate, wherein the pushing block is in threaded fit with the screw rod, and the pushing block is in sliding fit with the supporting plate.

Through adopting above-mentioned technical scheme, through pushing mechanism's setting, start driving piece two can drive the screw rod and rotate, and then drive the propelling movement piece and slide along the backup pad, place the board after will using and release in the backup pad, make the slip of backup pad more labour saving and time saving.

Optionally: the automatic paper feeding mechanism comprises a lifting mechanism arranged on the supporting frame, a conveying plate arranged on the lifting mechanism and a conveying mechanism used for conveying paper boards on the conveying plate to the placing plate.

Through adopting above-mentioned technical scheme, be provided with automatic paper feeding mechanism on the support frame, pile up the cardboard earlier and place on the delivery board, start elevating system afterwards, drive the equal high parallel and level of delivery board and backup pad, start elevating system afterwards, promote the cardboard in the backup pad of waiting the material loading, realize the automatic transport to the cardboard, make the transport of cardboard more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Through being provided with elevating system on the support frame, when needing to go on paper to the cardboard, stack a plurality of cardboards on the backup pad, push the cardboard of top to the frame through pushing mechanism, then elevating system work, rise the cardboard to the pushing mechanism department, start pushing mechanism again, carry the cardboard, realize the continuous material loading to the cardboard, can promote the convenience that the cardboard placed in the frame, and then can reduce artifical intensity of labour;

2. Through being provided with a plurality of fixture relatively on the mount, start driver two can drive the grip block and fix the centre gripping to the cardboard, and then when making the impeller plate promote the cardboard, reduce the phenomenon that lower floor's cardboard can take place the skew.

Drawings

FIG. 1 is a partial cross-sectional view of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view showing the connection relationship of a support frame and a lifting mechanism;

fig. 4 is a partial enlarged view at B in fig. 3.

Reference numerals: 1. a frame; 2. a handle conveying device; 3. a handle mounting mechanism; 4. a support frame; 5. a support plate; 51. a chute; 6. a lifting mechanism; 61. a lifting block; 62. a lifting assembly; 621. a rotating lever; 622. a driven gear; 623. a toothed chain; 63. an intermittent drive assembly; 631. a first driving member; 632. an incomplete gear; 633. a drive gear; 7. a pushing mechanism; 71. a fixing frame; 72. a first driver; 73. a pushing plate; 731. a tip; 8. a clamping mechanism; 81. a second driver; 82. a clamping plate; 9. placing a plate; 91. a slide block; 10. a pushing mechanism; 101. a second driving piece; 102. a screw; 103. a pushing block; 11. an automatic paper feeding mechanism; 12. a conveying plate; 13. a conveying mechanism; 131. a third driver; 132. a sliding plate; 14. a limiting mechanism; 141. a driving motor; 142. a worm; 143. a worm wheel; 144. a limit rod; 145. a limiting plate; 15. a cardboard delivery device; 151. a conveying motor; 152. a conveying roller; 153. and (3) a conveyor belt.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a packing box handle mounting machine. Referring to fig. 1 and 2, a packing case handle mounting machine comprises a frame 1, a handle conveying device 2 arranged on the frame 1 and a handle mounting mechanism 3 arranged on the frame 1, wherein when a handle is required to be mounted on a paperboard, the paperboard is firstly placed on the frame 1, a paperboard conveying device 15 is arranged on the frame 1, the paperboard is conveyed to the handle mounting mechanism 3 through the paperboard conveying device 15, the handle conveying device 2 is started simultaneously, the handle is conveyed to the handle mounting mechanism 3, and the handle is mounted on the paperboard through the handle mounting mechanism 3.

Referring to fig. 1 and 2, two paper board conveying devices 15 are disposed opposite to each other along the width direction of the frame 1, and are used for supporting and conveying two ends of paper boards, the paper board conveying devices 15 include a conveying motor 151 fixedly mounted on the frame 1, a conveying roller 152 coaxially fixed on an output shaft of the conveying motor 151, and a conveying belt 153 wound on the conveying roller 152, the conveying roller 152 is disposed in plurality along the length direction of the frame 1, the conveying belt 153 is of a waist-shaped structure, and the conveying belt 153 is wound on the conveying rollers 152. The conveying motor 151 is started to drive the conveying roller 152 to rotate, and the conveying belt 153 is driven to rotate, so that the paper board on the conveying belt 153 is conveyed.

Referring to fig. 1 and 2, a supporting frame 4 is provided on one side of a frame 1, a lifting mechanism 6 is fixedly provided on the supporting frame 4, the lifting mechanism 6 includes a lifting block 61, a lifting assembly 62 for driving the lifting block 61 to vertically lift and an intermittent driving assembly 63 for driving the lifting assembly 62 to rotate, and the lifting block 61 is a rectangular block. Referring to fig. 3, the intermittent driving assembly 63 includes a first driving member 631 fixedly mounted on the support frame 4, an incomplete gear 632 fixedly mounted at an output end of the first driving member 631, and a driving gear 633 engaged on the incomplete gear 632, where the first driving member 631 can directly adopt a motor, the incomplete gear 632 and the driving gear 633 are vertically arranged, and the first driving member 631 is started to drive the incomplete gear 632 to rotate and drive the driving gear 633 to rotate.

Referring to fig. 2 and 3, the lifting unit 62 includes two rotating rods 621 rotatably fitted on the supporting frame 4 and disposed along a vertical direction at intervals, a driven gear 622 fixedly sleeved on the rotating rods 621, and a toothed chain 623 wound on the driven gear 622, wherein the rotating rods 621 are cylindrical rods disposed along a width direction of the frame 1, the two rotating rods 621 are disposed along a height direction of the frame 1 at intervals, the rotating rods 621 below are fixedly welded with the driving gear 633, one driven gear 622 is disposed at each of two ends of the rotating rods 621 in a length direction, the toothed chain 623 is engaged with the two driven gears 622 disposed along the vertical direction at opposite directions, and the toothed chain 623 is fixedly connected with the lifting block 61.

Referring to fig. 2 and 3, a support plate 5 for placing a plurality of paperboards is provided on the support frame 4, the support plate 5 is a rectangular plate along a horizontal plane, one end of the support plate 5 is fixedly welded on the lifting block 61, two support plates 5 are provided on the toothed chain 623 at intervals, and the two support plates 5 bisect the toothed chain 623 into two chains with the same length. Referring to fig. 4, the upper surface of the support plate 5 is provided with two slide grooves 51, each of which is a T-shaped groove, and the slide grooves 51 are arranged at intervals along the width direction of the frame 1. The support plate 5 is provided with a placement plate 9, the placement plate 9 is a rectangular plate, the lower surface of the placement plate 9 is fixedly provided with a sliding block 91 which is in sliding fit with the sliding groove 51, and the sliding block 91 is an inverted T-shaped block.

Referring to fig. 3 and 4, when the paper board is required to be used, the supporting plate 5 is firstly positioned at the lower rotating rod 621, meanwhile, the supporting plate 5 is horizontally arranged, then the paper board is stacked on the placing plate 9, and then the driving piece one 631 is started to drive the incomplete gear 632, the driving gear 633, the rotating rod 621, the driven gear 622 and the toothed chain 623 to rotate, so that the supporting plate 5 and the paper board are driven to perform intermittent lifting movement.

Referring to fig. 3 and 4, in order to reduce the phenomenon that the placing plate 9 slides on the supporting plate 5, a limiting mechanism 14 is disposed at one end of the supporting plate 5 far away from the rotating rod 621, the limiting mechanism 14 comprises a driving motor 141 fixedly mounted on the supporting plate 5, a worm 142 coaxially fixed on an output shaft of the driving motor 141, a worm wheel 143 meshed with the worm 142, and a limiting rod 144 fixedly penetrating through the worm wheel 143, the limiting rod 144 is a cylindrical rod disposed along the length direction of the paperboard, a limiting plate 145 is fixedly disposed on the limiting rod 144, the limiting plate 145 is a rectangular plate, a storage groove for placing the limiting plate 145 is formed in the supporting plate 5, and one end of the limiting plate 145 close to the bottom of the storage groove is set to be an arc surface. When the placing plate 9 is placed on the supporting plate 5 to carry out paperboard feeding, the driving motor 141 is started to drive the worm 142, the worm wheel 143, the limiting rod 144 and the limiting plate 145 to rotate, and the limiting plate 145 rotates from a horizontal state to a vertical state to limit the placing plate 9.

Referring to fig. 1 and 3, a pushing mechanism 7 for pushing the paperboards on the supporting plate 5 onto the frame 1 one by one is fixedly arranged on the frame 1, the pushing mechanism 7 comprises a fixing frame 71 with a fixing rod arranged on the frame 1, a first driver 72 fixedly arranged on the fixing frame 71 and a pushing plate 73 for pushing the uppermost paperboard of the supporting plate 5, the fixing frame 71 is a concave-shaped plate, the first driver 72 can directly adopt a hydraulic cylinder, a cylinder body of the first driver 72 is fixedly arranged on the fixing frame 71, the pushing plate 73 is an L-shaped plate, the side surface of the pushing plate 73, which is away from the frame 1, is fixedly welded with a piston rod of the first driver 72, and in combination with fig. 4, a tip 731 is arranged at one end of the pushing plate 73, which is close to the frame 1, and the top end of the tip 731 is obliquely upwards arranged in a direction away from the frame 1. When the uppermost cardboard of the placing plate 9 is lifted to the pushing plate 73, the first driver 72 is started to drive the pushing plate 73 to move, the tip 731 is inserted between two adjacent cardboard, the uppermost cardboard is pushed and pushed onto the cardboard conveying device 15, and the cardboard is conveyed by the cardboard conveying device 15.

Referring to fig. 3 and 4, in order to reduce the phenomenon that the paper board below the pushed paper board will deviate when the paper board is pushed by the pushing plate 73, two clamping mechanisms 8 are relatively arranged on the fixing frame 71, each clamping mechanism 8 comprises a second driver 81 fixedly arranged on the fixing frame 71 and a clamping plate 82 for clamping the paper board, the second driver 81 can directly adopt a hydraulic cylinder, a cylinder body of the hydraulic cylinder is fixed with the fixing frame 71, the clamping plate 82 is a rectangular plate, the upper surface of the clamping plate 82 is flush with the lower surface of the uppermost paper board, and the clamping plate 82 is arranged on a piston rod of the second driver 81. When the pushing plate 73 pushes the paper board, the second driver 81 is started to drive the clamping plate 82 to move towards the position close to the paper board, and the side face of the paper board is fixedly clamped.

Referring to fig. 2 and 3, in order to facilitate sliding the placing plate 9 out of the supporting plate 5, a pushing mechanism 10 is provided on the supporting plate 5, the pushing mechanism 10 includes a second driving member 101 fixedly installed on the supporting plate 5, a screw 102 fixedly installed at an output end of the second driving member 101, and a pushing block 103 for pushing the placing plate 9, the second driving member 101 may directly employ a motor, and in combination with fig. 4, the screw 102 is a cylindrical rod along a length direction of the frame 1, the pushing block 103 is a rectangular block along a length direction of the screw 102, the pushing block 103 is in threaded engagement with the screw 102, and a lower surface of the pushing block 103 abuts against an upper surface of the supporting plate 5. When the placing plate 9 needs to slide out of the supporting plate 5, the second driving part 101 is started to drive the screw 102 to rotate, and the pushing block 103 is driven to move in a direction away from the frame 1, so that the placing plate 9 is driven to slide out of the supporting plate 5.

Referring to fig. 1 and 3, in order to make the feeding of cardboard more convenient, be provided with automatic paper feeding mechanism 11 on support frame 4, automatic paper feeding mechanism 11 includes the elevating system 6 that sets up on support frame 4, the delivery plate 12 that sets up on elevating system 6 and be used for carrying the cardboard on the delivery plate 12 to place the conveying mechanism 13 on the board 9, delivery plate 12 is the rectangular plate, delivery plate 12 is the same with backup pad 5 structure, also be provided with stop gear 14 on the delivery plate 12, conveying mechanism 13 includes the driver three 131 of fixed mounting on placing the board 9 and the sliding plate 132 of fixed mounting at the driver three 131 output, the driver three 131 can directly adopt the pneumatic cylinder, the cylinder body of driver three 131 and the fixed welding of delivery plate 12, sliding plate 132 is vertical rectangular plate. After the paper boards are stacked on the placing plate 9 at the conveying plate 12 by operators, the paper boards on the uppermost supporting plate 5 are used, the lifting mechanism 6 is started, the supporting plate 5 below is driven to rotate to be close to the conveying plate 12 and to be in a horizontally arranged state, the pushing mechanism 10 is started, the placing plate 9 is pushed out of the supporting plate 5, meanwhile, the lifting mechanism 6 at the conveying plate 12 is started, the conveying plate 12 is lifted by the lifting mechanism 6, after the upper surface of the conveying plate 12 is flush with the upper surface of the supporting plate 5, the placing plate 9 at the conveying plate 12 is not limited by the limiting mechanism 14, and then the three 131 is driven to push the placing plate 9 by the sliding plate 132, so that the placing plate 9 slides onto the supporting plate 5, and the pushing of the paper boards is completed.

The implementation principle of the packing box handle mounting machine provided by the embodiment of the application is as follows: when needing to install the handle, stack the cardboard earlier and keep away from on the board 9 of placing of frame 1 department to will place on board 9 propelling movement to the backup pad 5 of below, start elevating system 6 next, will place board 9 and promote, promote the back and promote the cardboard one by one on frame 1 through thrust unit 7, carry handle installation mechanism 3 department through cardboard conveyor 15 with the cardboard, carry handle installation mechanism 3 department through handle conveyor 2 simultaneously, install the handle on the cardboard through handle installation mechanism 3, accomplish the installation to the handle.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a packing box handle mounting machine, includes frame (1), sets up handle conveyor (2) on frame (1) and sets up handle installation mechanism (3) on frame (1), its characterized in that: one side of the frame (1) is provided with a support frame (4), the support frame (4) is provided with a support plate (5) for placing a plurality of paperboards, the support frame (4) is provided with a lifting mechanism (6) for driving the support plate (5) to vertically and intermittently lift, and the frame (1) is provided with a pushing mechanism (7) for pushing the paperboards on the support plate (5) to the frame (1) one by one;

the lifting mechanism (6) comprises a lifting block (61) for driving the supporting plate (5) to vertically and intermittently lift, a lifting assembly (62) for driving the lifting block (61) to vertically lift and an intermittent driving assembly (63) for driving the lifting assembly (62) to rotate;

The lifting assembly (62) comprises a plurality of rotating rods (621) which are in running fit on the supporting frame (4) and are arranged along the vertical direction at intervals, a driven gear (622) sleeved on the rotating rods (621) and a toothed chain (623) wound on the driven gear (622), the toothed chain (623) is connected with the lifting block (61), and a plurality of supporting plates (5) are arranged on the toothed chain (623) at intervals;

The support plate (5) is provided with a sliding groove (51), the support plate (5) is provided with a placing plate (9), and the placing plate (9) is provided with a sliding block (91) which is in sliding fit with the sliding groove (51);

The automatic paper feeding mechanism (11) is arranged on the supporting frame (4), the automatic paper feeding mechanism (11) comprises another lifting mechanism (6) arranged on the supporting frame (4), a conveying plate (12) arranged on the other lifting mechanism (6) and a conveying mechanism (13) used for conveying a placing plate on the conveying plate (12) to the supporting plate (5), the conveying plate (12) is a rectangular plate, the conveying plate (12) and the supporting plate (5) are identical in structure, a limiting mechanism (14) is arranged on the conveying plate (12), the conveying mechanism (13) comprises a third driver (131) fixedly arranged on the conveying plate (12) and a sliding plate (132) fixedly arranged at the output end of the third driver (131), the third driver (131) is a hydraulic cylinder, a cylinder body of the third driver (131) is fixedly welded with the conveying plate (12), and the sliding plate (132) is a vertical rectangular plate;

One end of keeping away from dwang (621) on backup pad (5) is provided with stop gear (14), and stop gear (14) are including driving motor (141) fixed mounting on backup pad (5), coaxial worm (142) fixed in driving motor (141) output shaft, worm wheel (143) and fixed gag lever post (144) of wearing to locate in worm wheel (143) on worm (142), gag lever post (144) are along the cylinder pole that sets up on the length direction of cardboard, fixed limiting plate (145) being provided with on gag lever post (144), limiting plate (145) are the rectangular plate, offer the storage tank that supplies limiting plate (145) to place on backup pad (5), one end that limiting plate (145) are close to the tank bottom of storage tank sets up to the arcwall face.

2. The package handle mounting machine of claim 1, wherein: the intermittent driving assembly (63) comprises a first driving piece (631) arranged on the supporting frame (4), an incomplete gear (632) arranged at the output end of the first driving piece (631) and a driving gear (633) meshed with the incomplete gear (632), and the driving gear (633) is connected with the rotating rod (621).

3. The package handle mounting machine of claim 1, wherein: the pushing mechanism (7) comprises a fixing frame (71) arranged on the frame (1), a first driver (72) arranged on the fixing frame (71) and a pushing plate (73) for pushing the uppermost paperboard of the supporting plate (5), wherein the pushing plate (73) is connected with the output end of the first driver (72).

4. A package handle mounting machine as claimed in claim 3, wherein: a tip (731) is arranged at one end of the pushing plate (73) close to the stand (1), and the top end of the tip (731) is obliquely upwards arranged in a direction away from the stand (1).

5. The package handle mounting machine of claim 4, wherein: the paper board clamping device is characterized in that a plurality of clamping mechanisms (8) are oppositely arranged on the fixing frame (71), each clamping mechanism (8) comprises a second driver (81) arranged on the fixing frame (71) and a clamping plate (82) used for clamping the paper board, and the clamping plates (82) are arranged at the output ends of the second drivers (81).

6. The package handle mounting machine of claim 5, wherein: be provided with pushing mechanism (10) on backup pad (5), pushing mechanism (10) are including installing driving piece two (101) on backup pad (5), install screw rod (102) in the output of driving piece two (101) and be used for carrying out propelling movement piece (103) of propelling movement to placing board (9), pushing piece (103) and screw rod (102) screw thread fit, and pushing piece (103) and backup pad (5) sliding fit.