Tooth row transmission intermittent mechanism

Abstract

The gripper bar transmission intermittent mechanism comprises a base and a cam divider, the cam divider is arranged at the top of the base, a cover plate is arranged at the top of the cam divider, a fixing base is arranged on one side of the base, a supporting plate is arranged on the side wall of the fixing base, and a transmission mechanism is arranged on the side wall of the supporting plate. A servo motor drives a connecting shaft and a driving gear to rotate, an input shaft of a cam divider is driven by a belt to rotate, an output shaft of the cam divider drives a driving shaft to rotate intermittently, and a plurality of tooth row bodies evenly arranged between two tooth row blocking chains move evenly and intermittently. The cam divider drives the tooth row mechanism to advance for one working hour, the movable teeth of the tooth row mechanism are opened to take paper, meanwhile, the movable teeth of the tooth row mechanism close to the discharging end are opened to place the paper to the discharging end, the process is repeated, the paper is sequentially conveyed to the position of the discharging end till all the paper is conveyed, paper conveying is stable and reliable, and the working efficiency is high.

Description

Technical Field

[0001] The invention relates to the technical field of printing and packaging machinery, and in particular to a tooth bar transmission intermittent mechanism. Background Art

[0002] Printing and packaging machinery occupies an important position in the development of the national economy, and the flatbed die-cutting machine of post-press equipment is one of the main printing and packaging machinery. The gripper bar and gripper bar transmission mechanism in this equipment are important components of the whole machine. They are responsible for holding the paper in an intermittent operation mode to complete a series of processing procedures such as paper conveying, creasing, die-cutting, hot stamping, etc., and determine the process quality of the processed paper products.

[0003] The existing equipment uses a mechanical intermittent transmission mechanism for the gripper bar transmission mechanism, which drives the gripper bar to move intermittently through a chain to transport paper. Due to the inertia of movement, the position error of the intermittent movement of the gripper bar is too large, resulting in low production efficiency and affecting the processing accuracy of paper products.

[0004] Therefore, it is necessary to provide a tooth row transmission intermittent mechanism to solve the above technical problems. Summary of the invention

[0005] The object of the present invention is to provide a tooth bar transmission intermittent mechanism to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a tooth bar transmission intermittent mechanism, comprising a base and a cam divider, the cam divider is arranged on the top of the base, the top of the cam divider is provided with a cover plate, a fixed seat is arranged on one side of the base, a support plate is arranged on the side wall of the fixed seat, and a transmission mechanism is arranged on the side wall of the support plate, the transmission mechanism is transmission-connected with the cam divider, a connecting sleeve is arranged on the output shaft of the cam divider, a driving shaft is arranged in the connecting sleeve, one end of the driving shaft is transmission-connected with the cam divider through the connecting sleeve, the driving shaft is rotationally arranged on the bracket, main chain sprockets are arranged at both ends of the driving shaft, two driven sprockets are arranged at the other end of the bracket, tooth bar chains are respectively transmission-connected on the two main chain sprockets and the two driven sprockets, a plurality of tooth bar bodies are evenly arranged between the two tooth bar chains, a clamping mechanism is arranged between the two ends of the tooth bar body and the two tooth bar chains, a plurality of tooth bar mechanisms for clamping paper are evenly arranged on the tooth bar body, and the tooth bar mechanism is signal-connected with the transmission mechanism.

[0007] As a preferred technical solution of the present invention, the side wall of the tooth bar body is provided with two through grooves, the tooth bar body is provided with four through holes, the clamping mechanism includes a chain joint and a clamping joint, the side wall of the chain joint is provided with two pin holes, the bottom of the chain joint is provided with two locking holes, the two locking holes are respectively connected with the two pin holes, the chain joint is provided with a clamping part, the clamping part is clamped on the side wall of the tooth bar chain, a pin is provided in the pin hole, and one end of the pin passes through the tooth bar chain The side wall of the strip, the locking hole is threadedly connected with a locking screw, the head of the locking screw abuts against the outer circumferential surface of the pin shaft to fix it, the side wall of the card joint is provided with a first groove, the side wall of the card joint is inserted into the two through grooves, and the surface of the card joint is provided with four insertion holes, the four insertion holes are arranged opposite to the four through holes, and bolts are arranged in the four through holes, one end of the bolt passes through the through hole and the insertion hole in turn and extends to the other side of the tooth bar body, and the card joint is locked on the tooth bar body by the cooperation of the nut and the bolt.

[0008] As a preferred technical solution of the present invention, a placement hole is provided on the side wall of the chain joint, a first connecting hole is provided at the bottom of the placement hole, the diameter of the first connecting hole is smaller than the diameter of the placement hole, a second groove is provided in the middle of one end of the clamping joint away from the first groove, a second connecting hole is provided on the side wall of the clamping joint, one end of the chain joint is inserted in the second groove, the second connecting hole is arranged opposite to the first connecting hole, a tooth bar pin is inserted in the second connecting hole, a threaded portion is provided at the end of the tooth bar pin, the end of the tooth bar pin passes through the second connecting hole and the first connecting hole in sequence and extends to the outside of the clamping joint, a nut is threadedly connected to the threaded portion of the tooth bar pin, a tooth bar spring is provided in the placement hole, and the tooth bar spring is sleeved on the tooth bar pin.

[0009] As a preferred technical solution of the present invention, the tooth bar mechanism includes fixed teeth and movable teeth, the fixed teeth are arranged on the incision, and the incision and the surface of the tooth bar body are evenly provided with a plurality of threaded holes, the movable teeth are arranged on the surface of the tooth bar body, the bottom of the movable teeth is provided with a spring piece, and the top of the movable teeth is provided with a pressure plate, and screws are sequentially penetrated through the pressure plate, the movable teeth and the spring piece and screwed into the threaded holes to lock and fix the three on the tooth bar body.

[0010] As a preferred technical solution of the present invention, the transmission mechanism includes a first shaft seat and a second shaft seat, the first shaft seat is arranged on the side wall of the base, the second shaft seat is arranged on the side wall of the base, the side wall of the support plate is rotatably provided with a connecting shaft, the end of the connecting shaft is transmission-connected to the output end of the servo motor through a coupling, the servo motor is fixedly provided on the side wall of the bracket, a driving gear is sleeved on the connecting shaft, a driven gear is fixedly provided on the input shaft of the cam divider, the outer edges of the driving gear and the driven gear are toothed with belts, and a first tensioning wheel is rotatably provided on the side wall of the second shaft seat, and the outer edge of the belt is in contact with the outer edge of the first tensioning wheel.

[0011] As a preferred technical solution of the present invention, a paper-connecting driving sprocket is sleeved on the connecting shaft, and the paper-connecting driving sprocket is located on one side of the driving gear. A camshaft sprocket is rotatably provided on the side wall of the base, and a toothed transmission chain is meshed on the paper-connecting driving sprocket and the camshaft sprocket. A third tensioning wheel is rotatably provided on the side wall of the first shaft seat, and a second tensioning wheel is rotatably provided on the side wall of the bracket. The inner and outer edges of the toothed transmission chain are respectively fitted with the outer edges of the second tensioning wheel and the third tensioning wheel, and one end of the connecting shaft away from the driving gear is rotatably provided on the bracket, and a half-shaft flange is sleeved on the connecting shaft, and the half-shaft flange is fixedly provided on the side wall of the bracket.

[0012] As a preferred technical solution of the present invention, one end of the driving shaft close to the connecting sleeve is successively sleeved with a bearing and a pressure cover, the outer ring of the bearing is fixedly arranged in the side wall of the bracket, the pressure cover is fixedly arranged on the side wall of the bracket, and the end of the driving shaft away from the connecting sleeve is sleeved with a fixing flange, and the fixing flange is fixedly connected to the main chain sprocket.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The present invention discloses an intermittent tooth row transmission mechanism. The present invention drives the connecting shaft to rotate by arranging a servo motor on the side wall of the bracket. The driving gear rotates with the connecting shaft. The driving gear drives the driven gear to rotate through a belt. The driven gear drives the input shaft of the cam divider to rotate, and the output shaft of the cam divider rotates accordingly. The driving shaft is driven to rotate intermittently through a connecting sleeve. The two main chain sprockets on the driving shaft rotate intermittently on both sides of the bracket. The sprocket on the driven shaft at the other end of the bracket rotates synchronously through two tooth row chains. A plurality of tooth row bodies evenly arranged between the two tooth row chains make even intermittent movements. The tooth row mechanism arranged on the tooth row body feeds paper into the tooth row body. The servo motor drives the driving gear to rotate while the paper feeding driving sprocket also rotates synchronously with the driving gear. The paper feeding driving sprocket drives the tooth opening transmission chain to transmit. The cam divider drives the tooth row mechanism to advance one working hour. The tooth opening transmission chain drives the active teeth of the tooth row mechanism near the paper picking end to open for paper picking. At the same time, the active teeth of the tooth row mechanism near the unloading end open to place the paper at the unloading end. Repeat the above process and transport the paper to the unloading end position in turn until all are completed. The cam divider is used for precise positioning. At the same time, the driving mechanism assists in controlling the precise opening and closing of the tooth row to improve the processing accuracy, stable and reliable paper feeding and high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is the overall structural front view of the present invention;

[0017] Figure 2 It is a three-dimensional schematic diagram of the overall structure of the present invention;

[0018] Figure 3 It is a three-dimensional schematic diagram of the connection relationship between the transmission mechanism and the main chain sprocket of the present invention;

[0019] Figure 4 It is a three-dimensional schematic diagram of the transmission mechanism structure of the present invention;

[0020] Figure 5 It is a three-dimensional schematic diagram of the connection relationship between the tooth bar body and the clamping mechanism of the present invention;

[0021] Figure 6 It is a three-dimensional schematic diagram of the tooth row mechanism structure of the present invention;

[0022] Figure 7 It is a three-dimensional schematic diagram of the structure of the clamping mechanism of the present invention;

[0023] Figure 8 This is a three-dimensional schematic diagram of the tooth row body structure of the present invention

[0024] Fig. 9is a three-dimensional schematic diagram of the chain joint structure of the present invention;

[0025] Fig.10 It is a three-dimensional schematic diagram of the card joint structure of the present invention.

[0026] In the figure: 1, base; 2, cam divider; 3, cover plate; 4, fixed seat; 5, support plate; 6, transmission mechanism; 61, first shaft seat; 62, second shaft seat; 63, connecting shaft; 64, driving gear; 65, belt; 66, first tensioning wheel; 67, driven gear; 68, paper feed driving sprocket; 69, camshaft sprocket; 70, tooth transmission chain; 71, second tensioning wheel; 72, third tensioning wheel; 73, half-shaft flange; 7, driving shaft; 8, main chain sprocket; 9, fixed flange; 10, tooth bar chain; 11, tooth bar body; 111, through groove; 112, incision; 113, threaded hole ; 114, through hole; 12, tooth row mechanism; 121, fixed tooth; 122, movable tooth; 123, pressure plate; 124, help spring; 13, clamping mechanism; 131, chain joint; 1311, pin hole; 1312, locking hole; 1313, first connecting hole; 1314, placement hole; 1315, clamping part; 132, clamping joint; 1321, first groove; 1322, jack; 1323, second groove; 1324, second connecting hole; 133, pin; 134, tooth row pin; 135, tooth row spring; 136, bolt; 14, connecting sleeve; 15, pressure cover; 16, bearing. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described below with reference to the accompanying drawings. In the process, in order to ensure the clarity and convenience of the description, we may exaggerate the width of the lines or the size of the components in the drawings.

[0028] In addition, the terms used below are defined based on the functions of the present invention and may differ depending on the intention or custom of the user or operator. Therefore, these terms are defined based on the entire contents of this specification.

[0029] like Figures 1 to 10As shown, a tooth row transmission intermittent mechanism includes a base 1 and a cam divider 2, the cam divider 2 is arranged on the top of the base 1, the top of the cam divider 2 is provided with a cover plate 3, a fixed seat 4 is provided on one side of the base 1, a support plate 5 is provided on the side wall of the fixed seat 4, a transmission mechanism 6 is provided on the side wall of the support plate 5, the transmission mechanism 6 is transmission-connected with the cam divider 2, a connecting sleeve 14 is provided on the output shaft of the cam divider 2, a driving shaft 7 is provided in the connecting sleeve 14, one end of the driving shaft 7 is transmission-connected with the cam divider 2 through the connecting sleeve 14, the driving shaft 7 is rotatably arranged on the bracket, main chain sprockets 8 are provided at both ends of the driving shaft 7, a bearing 16 and a pressure cover 15 are sequentially sleeved on the end of the driving shaft 7 close to the connecting sleeve 14, the outer ring of the bearing 16 is fixedly arranged in the side wall of the bracket, and the pressure cover 15 is fixed It is arranged on the side wall of the bracket, and a fixing flange 9 is provided on the end of the driving shaft 7 away from the connecting sleeve 14. The fixing flange 9 is fixedly connected to the main chain sprocket 8. The two main chain sprockets 8 rotate with the output shaft of the cam divider 2. Two driven sprockets are also arranged at the other end of the bracket. The two main chain sprockets 8 and the two driven sprockets are respectively provided with tooth bar chains 10 for transmission. A plurality of tooth bar bodies 11 are evenly arranged between the two tooth bar chains 10. A clamping mechanism 13 is provided between both ends of the tooth bar body 11 and the two tooth bar chains 10. The tooth bar body 11 is fixedly connected to the tooth bar chain 10 by the clamping mechanism 13. A plurality of tooth bar mechanisms 12 for clamping paper are evenly arranged on the tooth bar body 11. The tooth bar mechanism 12 is connected to the transmission mechanism 6 by signal, and the tooth bar mechanism 12 is controlled to open and close by the transmission mechanism 6 to clamp and convey paper.

[0030] like Figures 7 to 10As shown, the side wall of the tooth bar body 11 is provided with two through grooves 111, the tooth bar body 11 is provided with four through holes 114, the clamping mechanism 13 includes a chain joint 131 and a clamping joint 132, the side wall of the chain joint 131 is provided with two pin holes 1311, the bottom of the chain joint 131 is provided with two locking holes 1312, the two locking holes 1312 are respectively connected to the two pin holes 1311, the side wall of the chain joint 131 is provided with a placement hole 1314, the bottom of the placement hole 1314 is provided with a first connecting hole 1313, the diameter of the first connecting hole 1313 is smaller than The diameter of the placement hole 1314 is affixed with a clamping portion 1315 on the chain joint 131, and the clamping portion 1315 is clamped on the side wall of the toothed chain 10. A pin 133 is arranged in the pin hole 1311, and one end of the pin 133 passes through the side wall of the toothed chain 10. A locking screw is connected to the inner thread of the locking hole 1312, and the head of the locking screw abuts against the outer circumference of the pin 133 to fix it. A first groove 1321 is provided on the side wall of the clamping joint 132, and the side wall of the clamping joint 132 is inserted into the two through grooves 111, and four sockets are provided on the surface of the clamping joint 132 1322, the four insertion holes 1322 are arranged opposite to the four through holes 114, and bolts 136 are arranged in the four through holes 114. One end of the bolt 136 passes through the through holes 114 and the insertion holes 1322 in sequence and extends to the other side of the tooth bar body 11. The clamping joint 132 is locked on the tooth bar body 11 by the cooperation of the nut and the bolt 136. A second groove 1323 is opened in the middle of one end of the clamping joint 132 away from the first groove 1321, and a second connecting hole 1324 is opened on the side wall of the clamping joint 132. One end of the chain joint 131 is inserted into the second groove 1323. The second connection hole 1324 is arranged opposite to the first connection hole 1313, and a tooth bar pin 134 is inserted into the second connection hole 1324. A threaded portion is provided at the end of the tooth bar pin 134. The end of the tooth bar pin 134 passes through the second connection hole 1324 and the first connection hole 1313 in sequence and extends to the outside of the clamping joint 132. A nut is threadedly connected to the threaded portion of the tooth bar pin 134. A tooth bar spring 135 is arranged in the placement hole 1314. The tooth bar spring 135 is sleeved on the tooth bar pin 134. The tightness between the chain joint 131 and the clamping joint 132 is adjusted by the tooth bar spring 135.

[0031] like Figure 5 and Figure 6As shown, the tooth bar mechanism 12 includes a fixed tooth 121 and a movable tooth 122, the fixed tooth 121 is arranged on the incision 112, and a plurality of threaded holes 113 are evenly opened on the surface of the incision 112 and the surface of the tooth bar body 11, and the fixed tooth 121 is screwed through the screw to be screwed into the threaded hole 113 to be fixed and locked, the movable tooth 122 is arranged on the surface of the tooth bar body 11, and a spring piece 124 is arranged at the bottom of the movable tooth 122, and a pressure plate 123 is arranged on the top of the movable tooth 122, and the pressure plate 123, the movable tooth 122 and the spring piece 124 are screwed through the screw in sequence to be screwed into the threaded hole 113 to lock and fix the three on the tooth bar body 11, and the distance between the movable tooth 122 and the fixed tooth 121 is adjusted by the spring piece 124, thereby realizing the clamping, transportation and loosening of the paper.

[0032] like Figure 3 and Figure 4 As shown, the transmission mechanism 6 includes a first shaft seat 61 and a second shaft seat 62, the first shaft seat 61 is arranged on the side wall of the base 1, the second shaft seat 62 is arranged on the side wall of the base 1, the side wall of the support plate 5 is rotatably provided with a connecting shaft 63, the end of the connecting shaft 63 is transmission-connected with the output end of the servo motor through a coupling, the servo motor is fixedly arranged on the side wall of the bracket, and the connecting shaft 63 is driven to rotate by the servo motor, a driving gear 64 is sleeved on the connecting shaft 63, a driven gear 67 is fixedly arranged on the input shaft of the cam divider 2, and the outer edges of the driving gear 64 and the driven gear 67 are toothed with a belt 65, a first tensioning wheel 66 is rotatably provided on the side wall of the second shaft seat 62, the outer edge of the belt 65 is in contact with the outer edge of the first tensioning wheel 66, and the tightness of the belt 65 is adjusted by the first tensioning wheel 66, and a paper feeding driving sprocket is sleeved on the connecting shaft 63 68. The paper receiving active sprocket 68 is located on one side of the active gear 64. A camshaft sprocket 69 is rotatably provided on the side wall of the base 1. An opening tooth transmission chain 70 is meshed with the paper receiving active sprocket 68 and the camshaft sprocket 69. A third tensioning wheel 72 is rotatably provided on the side wall of the first shaft seat 61. A second tensioning wheel 71 is rotatably provided on the side wall of the bracket. The inner and outer edges of the opening tooth transmission chain 70 are respectively fitted with the outer edges of the second tensioning wheel 71 and the third tensioning wheel 72. The tightness of the opening tooth transmission chain 70 is adjusted by the second tensioning wheel 71 and the third tensioning wheel 72. The opening and closing of the movable teeth 122 of the tooth row mechanism 12 is controlled by the opening tooth transmission chain 70 to clamp the paper for transportation. The end of the connecting shaft 63 away from the active gear 64 is rotatably provided on the bracket. A half-shaft flange 73 is sleeved on the connecting shaft 63. The half-shaft flange 73 is fixedly provided on the side wall of the bracket.

[0033] The specific implementation method is as follows: a servo motor is arranged on the side wall of the bracket to drive the connecting shaft 63 to rotate, and the driving gear 64 rotates with the connecting shaft 63. The driving gear 64 drives the driven gear 67 to rotate through the belt 65, and the driven gear 67 drives the input shaft of the cam divider 2 to rotate, and the output shaft of the cam divider 2 rotates accordingly, and the driving shaft 7 is driven to rotate intermittently through the connecting sleeve 14. The two main chain sprockets 8 on the driving shaft 7 rotate intermittently on both sides of the bracket, and the sprocket on the driven shaft at the other end of the bracket rotates synchronously through the two tooth bar chains 10. The multiple tooth bar bodies 11 evenly arranged between the two tooth bar chains 10 make even intermittent movements, and the tooth bar mechanism 12 arranged on the tooth bar body 11 evenly clamps and releases the paper. When the servo motor drives the active gear 64 to rotate, the paper feeding active sprocket 68 also rotates synchronously with the active gear 64, and the paper feeding active sprocket 68 drives the tooth opening transmission chain 70 to transmit, and the cam divider 2 drives the tooth row mechanism 12 to advance one working hour, and the tooth opening transmission chain 70 drives the active teeth 122 of the tooth row mechanism 12 near the paper picking end to open for paper picking, and at the same time, the active teeth 122 of the tooth row mechanism 12 near the unloading end are opened to place the paper to the unloading end, and the above process is repeated to transport the paper to the unloading end position in turn until all are completed, and the cam divider 2 is used for precise positioning, and at the same time, the driving mechanism 6 assists in controlling the precise opening and closing of the tooth row mechanism 12, thereby improving the processing accuracy, stable and reliable paper feeding, and high work efficiency.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A tooth bar transmission intermittent mechanism, comprising a base (1) and a cam divider (2), wherein the cam divider (2) is arranged on the top of the base (1), and a cover plate (3) is arranged on the top of the cam divider (2), characterized in that: A fixing seat (4) is arranged on one side of the base (1), a support plate (5) is arranged on a side wall of the fixing seat (4), a transmission mechanism (6) is arranged on a side wall of the support plate (5), the transmission mechanism (6) is connected to the cam divider (2) in a transmission manner, a connecting sleeve (14) is arranged on the output shaft of the cam divider (2), a driving shaft (7) is arranged in the connecting sleeve (14), one end of the driving shaft (7) is connected to the cam divider (2) in a transmission manner through the connecting sleeve (14), the driving shaft (7) is rotatably arranged on the bracket, and both ends of the driving shaft (7) are A main chain sprocket (8) is provided, and two driven sprockets are provided at the other end of the bracket. The two main chain sprockets (8) and the two driven sprockets are respectively provided with tooth bar chains (10) for transmission. A plurality of tooth bar bodies (11) are evenly provided between the two tooth bar chains (10). A clamping mechanism (13) is provided between the two ends of the tooth bar body (11) and the two tooth bar chains (10). A plurality of tooth bar mechanisms (12) for clamping paper are evenly provided on the tooth bar body (11), and the tooth bar mechanisms (12) are signal-connected with the transmission mechanism (6).

2. A gripper bar transmission intermittent mechanism according to claim 1, characterized in that: The side wall of the tooth bar body (11) is provided with two through grooves (111), and the tooth bar body (11) is provided with four through holes (114). The clamping mechanism (13) comprises a chain joint (131) and a clamping joint (132). The side wall of the chain joint (131) is provided with two pin holes (1311), and the bottom of the chain joint (131) is provided with two locking holes (1312). The two locking holes (1312) are respectively connected to the two pin holes (1311). The chain joint (131) is provided with a clamping portion (1315), and the clamping portion (1315) is clamped to the side wall of the tooth bar chain (10). A pin (133) is provided in the pin hole (1311), and one end of the pin (133) passes through the side wall of the tooth bar chain (10). The locking hole (1312) is internally threadedly connected with a locking screw, the head of the locking screw abuts against the outer circumferential surface of the pin shaft (133) to fix it, the side wall of the clamping joint (132) is provided with a first slot (1321), the side wall of the clamping joint (132) is inserted into the two through slots (111), the surface of the clamping joint (132) is provided with four insertion holes (1322), the four insertion holes (1322) are arranged opposite to the four through holes (114), and bolts (136) are arranged in the four through holes (114), one end of the bolt (136) passes through the through hole (114) and the insertion hole (1322) in sequence and extends to the other side of the tooth bar body (11), and the clamping joint (132) is locked on the tooth bar body (11) by the cooperation of the nut and the bolt (136).

3. A gripper bar transmission intermittent mechanism according to claim 2, characterized in that: A placement hole (1314) is provided on the side wall of the chain joint (131), a first connection hole (1313) is provided at the bottom of the placement hole (1314), the diameter of the first connection hole (1313) is smaller than the diameter of the placement hole (1314), a second groove (1323) is provided in the middle of one end of the clamping joint (132) away from the first groove (1321), a second connection hole (1324) is provided on the side wall of the clamping joint (132), one end of the chain joint (131) is inserted into the second groove (1323), and the second connection hole (1324) is provided at the middle of the one end of the clamping joint (132) away from the first groove (1321). The second connection hole (1324) is arranged opposite to the first connection hole (1313), a tooth bar pin (134) is inserted into the second connection hole (1324), a threaded portion is provided at the end of the tooth bar pin (134), the end of the tooth bar pin (134) passes through the second connection hole (1324) and the first connection hole (1313) in sequence and extends to the outside of the clamping joint (132), the threaded portion of the tooth bar pin (134) is threadedly connected with a nut, a tooth bar spring (135) is arranged in the placement hole (1314), and the tooth bar spring (135) is sleeved on the tooth bar pin (134).

4. The intermittent mechanism for gripper transmission according to claim 1, characterized in that: The tooth bar mechanism (12) comprises fixed teeth (121) and movable teeth (122); the fixed teeth (121) are arranged on the cutout (112); the cutout (112) and the surface of the tooth bar body (11) are evenly provided with a plurality of threaded holes (113); the movable teeth (122) are arranged on the surface of the tooth bar body (11); a spring plate (124) is arranged at the bottom of the movable teeth (122); a pressure plate (123) is arranged at the top of the movable teeth (122); screws are sequentially inserted through the pressure plate (123), the movable teeth (122) and the spring plate (124) and screwed into the threaded holes (113) to lock and fix the three on the tooth bar body (11).

5. The intermittent mechanism for gripper transmission according to claim 1, characterized in that: The transmission mechanism (6) comprises a first shaft seat (61) and a second shaft seat (62), wherein the first shaft seat (61) is arranged on the side wall of the base (1), and the second shaft seat (62) is arranged on the side wall of the base (1); a connecting shaft (63) is rotatably arranged on the side wall of the support plate (5); the end of the connecting shaft (63) is transmission-connected to the output end of the servo motor through a coupling; the servo motor is fixedly arranged on the side wall of the bracket; a driving gear (64) is sleeved on the connecting shaft (63); a driven gear (67) is fixedly arranged on the input shaft of the cam divider (2); the outer edges of the driving gear (64) and the driven gear (67) are toothed with a belt (65); a first tensioning wheel (66) is rotatably arranged on the side wall of the second shaft seat (62), and the outer edge of the belt (65) is in contact with the outer edge of the first tensioning wheel (66).

6. The intermittent mechanism for gripper transmission according to claim 5, characterized in that: A paper-feeding driving sprocket (68) is sleeved on the connecting shaft (63), and the paper-feeding driving sprocket (68) is located on one side of the driving gear (64). A camshaft sprocket (69) is rotatably provided on the side wall of the base (1). An open-tooth transmission chain (70) is meshed with the paper-feeding driving sprocket (68) and the camshaft sprocket (69). A third tensioning wheel (72) is rotatably provided on the side wall of the first shaft seat (61). A second tensioning wheel (71) is rotatably provided on the side wall of the bracket. The inner and outer edges of the open-tooth transmission chain (70) are respectively in contact with the outer edges of the second tensioning wheel (71) and the third tensioning wheel (72). One end of the connecting shaft (63) away from the driving gear (64) is rotatably provided on the bracket. A half-shaft flange (73) is sleeved on the connecting shaft (63), and the half-shaft flange (73) is fixedly provided on the side wall of the bracket.

7. The intermittent mechanism for gripper transmission according to claim 1, characterized in that: The end of the driving shaft (7) close to the connecting sleeve (14) is sleeved with a bearing (16) and a pressure cover (15) in sequence, the outer ring of the bearing (16) is fixedly arranged in the side wall of the bracket, and the pressure cover (15) is fixedly arranged on the side wall of the bracket. The end of the driving shaft (7) away from the connecting sleeve (14) is sleeved with a fixing flange (9), and the fixing flange (9) is fixedly connected to the main chain sprocket (8).

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