CN214056654U

CN214056654U - Edge folding machine for packaging bag

Info

Publication number: CN214056654U
Application number: CN202022690554.2U
Authority: CN
Inventors: 吴雪玲
Original assignee: Wenzhou Linke Industrial Co ltd
Current assignee: Wenzhou Linke Industrial Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-27
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a flanging machine technical field just discloses a wrapping bag flanging machine, the on-line screen storage device comprises a base, the support that the top fixedly connected with equidistance of base was arranged, the top fixedly connected with integrated into one piece's of support roof, the left and right sides fixedly connected with of roof bottom erects the frame, the right side erect the right side of frame and seted up perpendicular through-hole, right side erect the inside of frame and seted up perpendicular groove, it is linked together with perpendicular through-hole to erect the groove. The utility model discloses a, roof fixed connection through the base is to the bottom of support, the top fixed connection of support is to the bottom of roof, roof bottom fixed connection is to two tops of erecting the frame, the right side of erecting the frame on the right side has been seted up and has been erected the through-hole, erect the inside of frame and have been seted up and erect the groove, erect the groove and erect the through-hole and be linked together, the bearing is located the intercommunication department of erecting the through-hole and erecting the groove, the inside fixed connection of bearing is to the outside of transfer line to realized that the device possesses the ejection of compact of being convenient for, the hem size is adjustable, application scope advantage such as wide.

Description

Edge folding machine for packaging bag

Technical Field

The utility model relates to a flanging machine technical field specifically is a wrapping bag flanging machine.

Background

The packaging bag is a bag for packaging articles as the name implies, and in the processing process of the packaging bag, the packaging bag needs to be cut, folded, sealed, cleaned and the like, and each process needs to be processed by a corresponding processing machine.

However, the existing bag edge folding machine needs to be manually taken out after the edge of the packaging bag is folded and formed, the operation is troublesome, time and labor are wasted, the working efficiency is reduced, the size of the edge folding machine cannot be adjusted, and the application range is small, so that the bag edge folding machine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a wrapping bag flanging machine possesses the ejection of compact of being convenient for, advantages such as hem size is adjustable, application scope is wide, has solved the plainness and current wrapping bag flanging machine still need be taken out by hand to wrapping bag hem shaping back, and troublesome poeration wastes time and energy, reduces work efficiency to can't adjust the size of flanging machine, problem that application scope is little.

(II) technical scheme

For the purpose that realizes above-mentioned ejection of compact, hem size are adjustable, application scope is wide, the utility model provides a following technical scheme: a packaging bag flanging machine comprises a base, wherein supports are fixedly connected with the top of the base and are arranged at equal intervals, an integrally formed top plate is fixedly connected with the top of each support, vertical frames are fixedly connected with the left side and the right side of the bottom of the top plate, vertical through holes are formed in the right side of each vertical frame, vertical grooves are formed in the vertical frames on the right side, the vertical grooves are communicated with the vertical through holes, bearings are arranged in the vertical through holes, transmission rods are fixedly connected with the insides of the bearings, rotating rollers with fixed connection shafts of the transmission rods are sleeved on the outer sides of the transmission rods, two extruding devices are arranged on the outer sides of the rotating rollers, sliding blocks are rotatably connected at the left ends of the transmission rods, the left sides of the sliding blocks are slidably connected to the right side of the vertical frames on the left side, threaded rods are rotatably connected with the top of the top plate, and I-shaped frames are in threaded connection with the outer sides of the threaded rods, the utility model discloses a bearing, including I-shaped frame, top, sliding block, bearing, drive rod, right side, bottom, right side, the bottom on I-shaped frame left side runs through and sliding connection to the bottom of roof, the left end fixed connection to sliding block of I-shaped frame bottom, the bottom on I-shaped frame right side runs through and sliding connection to erects the inside of frame, the bottom on I-shaped frame right side extends to the inside of erecting the groove, the bottom fixed connection to the top of bearing on I-shaped frame right side, the inside of support is rotated and is connected with two driven levers, two the outside transmission of driven lever is connected with integrated into one piece's conveyer belt, the recess that the equidistance was arranged is seted up on the surface of conveyer belt, recess and extrusion device looks adaptation, be provided with drive arrangement between drive rod and the positive driven lever.

Preferably, the extrusion device includes two bolts, solid fixed ring and clamping ring, the screw hole that the equidistance was arranged is all seted up to the top and the bottom of live-rollers, the outer threaded connection of bolt is to solid fixed ring's inboard, the bottom threaded connection of bolt is to the inside of screw hole, the cover of clamping ring is established the outside of portion fixed connection to solid fixed ring, clamping ring and recess phase-match.

Preferably, drive arrangement includes driving motor, two belt pulleys and driving belt, driving motor's left side sliding connection to the right side erects a right side, driving motor's output shaft passes through the right side of the belt pulley at shaft coupling fixed connection to top, top the left side fixed connection of belt pulley is to the right-hand member of transfer line, bottom the inside fixed connection of belt pulley is to the outside of driven lever, two the equal transmission in outside of belt pulley is connected to driving belt's inside.

Preferably, the left side the spout has been seted up on the right side of perpendicular frame, the outside sliding connection of sliding block to the inside of spout, the bottom fixedly connected with first spring of the inboard of spout, the top fixed connection of first spring to the bottom of sliding block.

Preferably, the bottom of the bearing is fixedly connected with a second spring, and the bottom end of the second spring is fixedly connected to the bottom of the inner side of the vertical groove.

Preferably, one side of the back of the top plate is fixedly connected with a sliding sleeve, a connecting rod in sliding connection with the sliding sleeve is inserted in the sliding sleeve, the bottom end of the connecting rod is rotatably connected with an extrusion wheel, the outer side of the extrusion wheel is in close contact with the top surface of the transmission belt, a third spring is sleeved on the outer layer of the connecting rod, the bottom end of the third spring is fixedly connected to the top of the sliding sleeve, and the bottom of the third spring is fixedly connected to the inner side of the connecting rod.

Preferably, the outer layer edge of the compression ring is fixedly provided with a heating ring.

(III) advantageous effects

Compared with the prior art, the utility model provides a wrapping bag flanging machine possesses following beneficial effect:

1. the packaging bag edge folding machine is fixedly connected to the bottom of a support through a top plate of a base, the top of the support is fixedly connected to the bottom of the top plate, the bottom of the top plate is fixedly connected to the tops of two vertical frames, a vertical through hole is formed in the right side of the vertical frame on the right side, a vertical groove is formed in the vertical frame and communicated with the vertical through hole, a bearing is arranged at the communication position of the vertical through hole and the vertical groove, the inner part of the bearing is fixedly connected to the outer side of a transmission rod, the outer side of the transmission rod is fixedly connected to the inner part of a rotating roller, the left end of the transmission rod is rotatably connected to the right side of a sliding block, the left side of the sliding block is slidably connected to the right side of the vertical frame on the left side, two extruding devices are arranged on the outer side of the rotating roller, the top of the top plate is rotatably connected to the bottom end of a threaded rod, the outer layer of the threaded rod is connected to the inner part of an I-shaped frame, and the bottom end of the left side of the I-shaped frame is penetrated and slidably connected to the bottom of the top plate, when the device is used, a packaging bag is firstly placed on the conveying belt, then the driving device is started, the driving device drives the driving rod and the driven rods to synchronously rotate, then the packaging bag is driven to advance, the two sides of the packaging bag are folded by matching the grooves through the extruding device, then the packaging bag is conveyed out along the conveying belt, so that the device is convenient to discharge, meanwhile, when the size of the packaging bag changes, the threaded rod is rotated to drive the I-shaped frame to ascend, the I-shaped frame drives the sliding block and the bearing to ascend synchronously, the rotating roller is driven to ascend from the moment, the extruding device is separated from the groove, the position of the extruding device on the rotating roller is adjusted, the size adjustment can be completed for the groove below the rotating roller, and then the threaded rod is reversed to reset the I-shaped frame, so that the device has the advantages of convenience in discharging, adjustable folding edge size, wide application range and the like.

2. This wrapping bag flanging machine uses through the cooperation of two bolts, solid fixed ring, clamping ring and screw hole for extrusion device can be on the live-rollers easy to assemble dismantlement, thereby has realized the purpose that the device hem size is convenient for adjust.

3. The packaging bag edge folding machine is used by matching the driving motor, the two belt pulleys and the driving belt, so that the driving device can drive the driving rod and the driven rod to synchronously rotate in the same direction, and the input and the output of packaging bags are facilitated.

4. This wrapping bag flanging machine uses through sliding block and spout cooperation for the transfer line upward movement is more laborsaving, and first spring plays the firm effect of support to the sliding block simultaneously.

5. This wrapping bag flanging machine through the use of second spring, can support the bearing and stabilize, makes its operation more stable.

6. This wrapping bag flanging machine uses through the cooperation of sliding sleeve, connecting rod, extrusion wheel third spring for the live-rollers makes driving belt remain the state of tautness all the time when adjusting from top to bottom, prevents that it from breaking away from and causing the device to damage, and the device of also being convenient for simultaneously carries out lift adjustment.

7. This wrapping bag flanging machine can carry out the hem through the heating ring when the clamping ring, and the shaping of hem department of supplementary wrapping bag makes the hem effect of device better.

Drawings

FIG. 1 is a schematic sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure A in FIG. 1;

FIG. 3 is an enlarged view of the structure B in FIG. 1;

fig. 4 is a schematic side view of the structure of the present invention.

In the figure: 1. a base; 2. a support; 3. a top plate; 4. erecting; 41. a chute; 5. a vertical through hole; 6. a vertical slot; 7. a bearing; 8. a transmission rod; 9. a second spring; 10. a rotating roller; 101. a threaded hole; 11. an extrusion device; 111. a bolt; 112. a fixing ring; 113. pressing a ring; 12. a first spring; 13. a slider; 14. a threaded rod; 15. an I-shaped frame; 16. a driven lever; 17. a conveyor belt; 18. a groove; 19. a drive device; 191. a drive motor; 192. a belt pulley; 193. a drive belt; 20. a sliding sleeve; 21. a connecting rod; 22. an extrusion wheel; 23. a third spring; 24. and heating the ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a packaging bag edge folding machine comprises a base 1, wherein the top of the base 1 is fixedly connected with supports 2 which are arranged at equal intervals, the top of each support 2 is fixedly connected with an integrally formed top plate 3, the left side and the right side of the bottom of each top plate 3 are fixedly connected with vertical frames 4, the right side of each right vertical frame 4 is provided with a vertical through hole 5, the inside of each right vertical frame 4 is provided with a vertical groove 6, each vertical groove 6 is communicated with the corresponding vertical through hole 5, the inside of each vertical through hole 5 is provided with a bearing 7, the inside of each bearing 7 is fixedly connected with a transmission rod 8, the outer side of each transmission rod 8 is sleeved with a rotating roller 10 fixedly connected with the transmission rod, the outer side of each rotating roller 10 is provided with two extruding devices 11, the left end of each transmission rod 8 is rotatably connected with a sliding block 13, the left side of each sliding block 13 is slidably connected to the right side of the corresponding left vertical frame 4, the top of each top plate 3 is rotatably connected with a threaded rod 14, and the outer side of each threaded rod 14 is connected with an i-shaped frame 15 in a threaded manner, the bottom end of the left side of an I-shaped frame 15 penetrates through and is connected to the bottom of the top plate 3 in a sliding mode, the left end of the bottom of the I-shaped frame 15 is fixedly connected to a sliding block 13, the bottom end of the right side of the I-shaped frame 15 penetrates through and is connected to the inside of the vertical frame 4 in a sliding mode, the bottom end of the right side of the I-shaped frame 15 extends to the inside of the vertical groove 6, the bottom end of the right side of the I-shaped frame 15 is fixedly connected to the top of the bearing 7, two driven rods 16 are rotatably connected to the inside of the support 2, an integrally formed conveying belt 17 is connected to the outer sides of the two driven rods 16 in a transmission mode, grooves 18 are formed in the surface of the conveying belt 17 and are arranged at equal intervals, the grooves 18 are matched with the extrusion device 11, a driving device 19 is arranged between the driving rod 8 and the front driven rods 16 and is fixedly connected to the bottom of the support 2 through the top plate of the base 1, the top of the support 2 is fixedly connected to the bottom of the top plate 3, and the bottom of the top plate 3 is fixedly connected to the tops of the two vertical frames 4, the right side of the right vertical frame 4 is provided with a vertical through hole 5, the inside of the vertical frame 4 is provided with a vertical groove 6, the vertical groove 6 is communicated with the vertical through hole 5, a bearing 7 is positioned at the communication part of the vertical through hole 5 and the vertical groove 6, the inside of the bearing 7 is fixedly connected to the outer side of a transmission rod 8, the outer side of the transmission rod 8 is fixedly connected to the inside of a rotating roller 10, the left end of the transmission rod 8 is rotatably connected to the right side of a sliding block 13, the left side of the sliding block 13 is slidably connected to the right side of the left vertical frame 4, the outer side of the rotating roller 10 is provided with two extruding devices 11, the top of a top plate 3 is rotatably connected to the bottom end of a threaded rod 14, the outer layer of the threaded rod 14 is connected to the inside of an I-shaped frame 15 in a threaded manner, the bottom end of the left side of the I-shaped frame 15 is penetrated and slidably connected to the bottom end of the top plate 3, the bottom end of the right side of the I-shaped frame 15 is penetrated and slidably connected to the inside of the right vertical frame 4, the bottom end of the right side of the I-shaped frame 15 extends to the inside of the vertical groove 6 and is fixedly connected to the top of the bearing 7, the two driven rods 16 are rotatably connected to the inside of the bracket 2, the outer sides of the two driven rods 16 are in transmission connection with the inner side of the conveying belt 17, grooves 18 which are arranged at equal intervals are formed in the surface of the conveying belt 17, the grooves 18 are matched with the extruding device 11, a driving device 19 is arranged between the driven rods 16 and the driving rod 8, when the packaging bag folding device is used, a packaging bag is firstly placed on the conveying belt 17, then the driving device 19 is started, the driving device 19 drives the driving rod 8 and the driven rods 16 to synchronously rotate and then drives the packaging bag to advance, the two sides of the packaging bag are folded through the extruding device 11 and the grooves 18, then the packaging bag is conveyed out along the conveying belt 17, so that the packaging bag discharging device is convenient to discharge, and when the size of the packaging bag changes, the threaded rod 14 is rotated to drive the I-shaped frame 15 to ascend, the I-shaped frame 15 drives the sliding block 13 and the bearing 7 to ascend synchronously, the rotating roller 10 is driven to ascend, the extrusion device 11 is separated from the groove 18, then the position of the extrusion device on the rotating roller 10 is adjusted, the size adjustment can be completed for the groove 18 below the extrusion device, then the threaded rod 14 is reversed, so that the I-shaped frame 15 is reset, the device has the advantages of convenience in discharging, adjustable folding edge size, wide application range and the like, and the problems that the existing packaging bag edge folding machine needs to be manually taken out after edge folding forming of packaging bags, operation is troublesome, time and labor are wasted, working efficiency is reduced, the size of the edge folding machine cannot be adjusted, and the application range is small are solved.

Further, the extrusion device 11 includes two bolts 111, solid fixed ring 112 and clamping ring 113, the top and the bottom of live-rollers 10 all set up the screw hole 101 that the equidistance was arranged, the outer threaded connection of bolt 111 is to the inboard of solid fixed ring 112, the bottom threaded connection of bolt 111 is to the inside of screw hole 101, the portion fixed connection of the cover of clamping ring 113 to the outside of solid fixed ring 112, clamping ring 113 and recess 18 phase-match, through two bolts 111, gu fixed ring 112, the cooperation of clamping ring 113 and screw hole 101 is used, make extrusion device 11 can be just installed and dismantled above live-rollers 10, thereby realized the purpose that the device hem size is convenient for the adjustment.

Further, the driving device 19 comprises a driving motor 191, two belt pulleys 192 and a transmission belt 193, the left side of the driving motor 191 is connected to the right side of the right vertical frame 4 in a sliding mode, an output shaft of the driving motor 191 is fixedly connected to the right side of the belt pulley 192 at the top through a coupler, the left side of the belt pulley 192 at the top is fixedly connected to the right end of the transmission rod 8, the inner portion of the belt pulley 192 at the bottom is fixedly connected to the outer side of the driven rod 16, the outer sides of the two belt pulleys 192 are connected to the inner portion of the transmission belt 193 in a transmission mode, and the driving motor 191, the two belt pulleys 192 and the transmission belt 193 are matched for use, so that the driving device 19 can drive the transmission rod 8 and the driven rod 16 to synchronously rotate in the same direction, and input and output of packaging bags are facilitated.

Further, spout 41 has been seted up on the right side of vertical frame 4 in the left side, and the outside sliding connection of sliding block 13 is to the inside of spout 41, the first spring 12 of the bottom fixedly connected with of the inboard of spout 41, and the top fixed connection of first spring 12 is to the bottom of sliding block 13, uses through sliding block 13 and the cooperation of spout 41 for transfer line 8 upward movement is more laborsaving, and first spring 12 plays the firm effect of support to sliding block 13 simultaneously.

Further, the bottom fixedly connected with second spring 9 of bearing 7, the bottom fixed connection of second spring 9 erects the inboard bottom in groove 6, and through the use of second spring 9, can support bearing 7 firm, makes its operation more stable.

Further, one side fixedly connected with sliding sleeve 20 of the back of roof 3, the inside of sliding sleeve 20 is pegged graft and is had rather than sliding connection's connecting rod 21, connecting rod 21 bottom is rotated and is connected with extrusion wheel 22, the outside of extrusion wheel 22 and the top surface in close contact with of driving belt 193, the outer cover of connecting rod 21 is equipped with third spring 23, the bottom fixed connection of third spring 23 is to the top of sliding sleeve 20, the bottom fixed connection of third spring 23 is to the inboard of connecting rod 21, use through sliding sleeve 20, connecting rod 21, the cooperation of extrusion wheel 22 third spring 23, make live-rollers 10 when adjusting from top to bottom, make driving belt 193 keep the tight state all the time, prevent that it from breaking away from and causing the device to damage, the device of also being convenient for simultaneously goes up and down to adjust.

Further, the outer border of clamping ring 113 is fixed and is provided with heating ring 24, can carry out the hem through heating ring 24 when clamping ring 113 carries out the hem, and the hem department shaping of supplementary wrapping bag makes the hem effect of device better.

The utility model discloses the model of driving motor 191 that uses can be CH400-90S, and it is provided with the control switch rather than supporting, and control switch' S mounted position can select according to the in-service use needs.

The working principle is as follows: when the packaging bag flanging machine is used, a packaging bag is placed on a conveying belt 17 firstly, then a driving device 19 is started, the driving device 19 drives a transmission rod 8 and a driven rod 16 to rotate synchronously, then the packaging bag is driven to move forwards, the two sides of the packaging bag are flanged by matching an extrusion device 11 with grooves 18, then the packaging bag is conveyed out along the conveying belt 17, so that the packaging bag flanging machine is convenient to discharge materials, meanwhile, when the size of the packaging bag changes, a rotating threaded rod 14 drives an I-shaped frame 15 to ascend, the I-shaped frame 15 drives a sliding block 13 and a bearing 7 to ascend synchronously, so that a rotating roller 10 is driven to ascend, the extrusion device 11 is separated from the grooves 18, then the position of the extrusion device on the rotating roller 10 is adjusted, the grooves 18 below the extrusion device can complete size adjustment, and then the threaded rod 14 is reversed, so that the I-shaped frame 15 is reset, so that the packaging bag flanging size can be adjusted conveniently discharged, The advantages of wide application range and the like, and solves the problems that the prior packing bag edge folding machine needs to be manually taken out after edge folding forming of the packing bag, the operation is troublesome, time and labor are wasted, the working efficiency is reduced, the size of the edge folding machine cannot be adjusted, and the application range is small.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wrapping bag flanging machine, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with supports (2) which are arranged at equal intervals, the top of each support (2) is fixedly connected with an integrally formed top plate (3), the left side and the right side of the bottom of each top plate (3) are fixedly connected with vertical frames (4), the right side of each vertical frame (4) is provided with a vertical through hole (5), the right side of each vertical frame (4) is provided with a vertical groove (6), each vertical groove (6) is communicated with the corresponding vertical through hole (5), a bearing (7) is arranged inside each vertical through hole (5), a transmission rod (8) is fixedly connected inside each bearing (7), a rotating roller (10) which is fixedly connected with the transmission rod (8) is sleeved outside the transmission rod (8), two extruding devices (11) are arranged outside the rotating roller (10), and the left end of the transmission rod (8) is rotatably connected with a sliding block (13), the sliding block (13) is connected to the left side of the vertical frame (4) in the left side in a sliding manner, the top of the top plate (3) is connected with a threaded rod (14) in a rotating manner, the outer side of the threaded rod (14) is connected with an I-shaped frame (15) in a threaded manner, the left bottom end of the I-shaped frame (15) is connected with the bottom of the top plate (3) in a penetrating manner and in a sliding manner, the left end of the I-shaped frame (15) is fixedly connected to the sliding block (13), the right bottom end of the I-shaped frame (15) is connected to the inside of the vertical frame (4) in a penetrating manner and in a sliding manner, the right bottom end of the I-shaped frame (15) extends to the inside of the vertical groove (6), the right bottom end of the I-shaped frame (15) is fixedly connected to the top of the bearing (7), the inside of the support (2) is connected with two driven rods (16), and the outer side of the two driven rods (16) is connected with an integrally formed conveying belt (17) in a transmission manner, the surface of the conveying belt (17) is provided with grooves (18) which are arranged at equal intervals, the grooves (18) are matched with the extrusion device (11), and a driving device (19) is arranged between the transmission rod (8) and the front driven rod (16).

2. A bag creasing machine as defined in claim 1, wherein: extrusion device (11) include two bolt (111), solid fixed ring (112) and clamping ring (113), screw hole (101) that the equidistance was arranged are all seted up to the top and the bottom of live-rollers (10), the outer threaded connection of bolt (111) is to the inboard of solid fixed ring (112), the bottom threaded connection of bolt (111) is to the inside of screw hole (101), the outside of solid fixed ring (112) of the cover fixed connection of portion is established to clamping ring (113), clamping ring (113) and recess (18) phase-match.

3. A bag creasing machine as defined in claim 1, wherein: the driving device (19) comprises a driving motor (191), two belt discs (192) and a transmission belt (193), the left side of the driving motor (191) is connected to the right side of the right vertical frame (4) in a sliding mode, an output shaft of the driving motor (191) is fixedly connected to the right side of the belt disc (192) at the top through a coupler, the left side of the belt disc (192) at the top is fixedly connected to the right end of the transmission rod (8), the inner portion of the belt disc (192) at the bottom is fixedly connected to the outer side of a driven rod (16), and the outer sides of the belt discs (192) are connected to the inner portion of the transmission belt (193) in a transmission mode.

4. A bag creasing machine as defined in claim 1, wherein: the left side spout (41) have been seted up to the right side of perpendicular frame (4), the outside sliding connection of sliding block (13) is to the inside of spout (41), the first spring (12) of the bottom fixedly connected with of the inboard of spout (41), the top fixed connection of first spring (12) is to the bottom of sliding block (13).

5. A bag creasing machine as defined in claim 1, wherein: the bottom fixedly connected with second spring (9) of bearing (7), the bottom fixed connection of second spring (9) is to the bottom of erecting groove (6) inboard.

6. A bag creasing machine as defined in claim 3, wherein: the utility model discloses a top plate of a motor vehicle, including roof (3), back one side fixedly connected with sliding sleeve (20) of roof (3), the inside grafting of sliding sleeve (20) has rather than sliding connection's connecting rod (21), connecting rod (21) bottom is rotated and is connected with extrusion wheel (22), the outside of extrusion wheel (22) and the top surface in close contact with of driving belt (193), the outer cover of connecting rod (21) is equipped with third spring (23), the bottom fixed connection of third spring (23) is to the top of sliding sleeve (20), the bottom fixed connection of third spring (23) is to the inboard of connecting rod (21).

7. A bag creasing machine as defined in claim 2, wherein: and a heating ring (24) is fixedly arranged on the outer layer edge of the compression ring (113).