Discharging mechanism of packaging machine

Abstract

The invention discloses a discharging mechanism of a packaging machine, which comprises a turnover mechanism, the turnover mechanism comprises a turnover module and a clamping module, the turnover module comprises a turnover cylinder and a first transmission assembly, and the first transmission assembly drives the turnover cylinder to do indexing intermittent rotary motion; and the clamping module comprises a clamping assembly and a second transmission assembly, the clamping assembly is arranged on the overturning cylinder, and the second transmission assembly drives the clamping assembly to complete the clamping action. In the product clamping and transferring process, the requirement for product overturning is synchronously met, the structural design is ingenious, the problem that products are in a disordered state during discharging is solved, ordered discharging is more beneficial to cooperation with grabbing of follow-up equipment, and the equipment efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of candy packaging technology, and in particular to a discharging mechanism of a packaging machine. Background Art

[0002] There are various discharging mechanisms for packaging machines on the market. In the food packaging industry, since most products are small items, most products are directly pushed out by the material lever when they are packaged and run to the unloading station, and then roll along the discharging plate to the conveyor rack or material frame. The above discharging method may cause the products to be disordered, especially for some products that need to be flipped 180° (such as cone-shaped chocolate, which needs to be flipped to the bottom plane facing down after packaging), which is not conducive to cooperation with subsequent automation equipment. Summary of the invention

[0003] In order to solve the above-mentioned deficiencies in the prior art, the present invention provides a discharging mechanism of a packaging machine, which can simultaneously complete the product flipping requirement when transferring the product.

[0004] In order to achieve the above technical purpose, the technical solution adopted by the present invention is:

[0005] A discharging mechanism of a packaging machine includes a flipping mechanism, wherein the flipping mechanism includes a flipping module and a clamping module, wherein the flipping module includes a flipping cylinder and a first transmission assembly, wherein the first transmission assembly drives the flipping cylinder to perform indexed intermittent rotational motion; wherein the clamping module includes a clamping assembly and a second transmission assembly, wherein the clamping assembly is arranged on the flipping cylinder, and the second transmission assembly drives the clamping assembly to complete the clamping action.

[0006] Furthermore, the first transmission assembly includes a power shaft and a main shaft arranged in parallel, a lever wheel A is fixedly provided on the power shaft, and the lever wheel A is driven by the power on the packaging machine; a conjugate cam is fixedly provided on the power shaft, a dividing plate is fixedly connected to the main shaft, the conjugate cam cooperates with the needle bearing A on the dividing plate, and the other end of the main shaft is fixedly connected to the turning cylinder; the conjugate cam cooperates with the needle bearing A on the dividing plate to realize the indexing intermittent rotation of the main shaft and the turning cylinder.

[0007] Further, the second transmission assembly includes a connecting block, a connecting rod, a swing block, a sleeve, and a cylindrical cam. The connecting block is key-connected to the power shaft, the sleeve is rotatably arranged on the outer periphery of the main shaft, one end of the connecting rod is hinged to the connecting block, and the other end is hinged to one end of the swing block. The swing block is key-connected to the sleeve, and the other end of the sleeve is fixedly connected to the cylindrical cam. The connecting block performs circular motion under the drive of the power shaft, driving the connecting rod assembly, the sleeve, and the cylindrical cam to perform reciprocating swinging motion.

[0008] The clamping assembly is arranged tangentially along the flip cylinder, and includes a left clamping jaw and a right clamping jaw. The left clamping jaw and the right clamping jaw are rotatably connected to the side wall of the flip cylinder. The left clamping jaw is fixedly connected to the left gear, and the right clamping jaw is fixedly connected to the right gear. The left gear and the right gear are rotatably arranged in the flip cylinder, and the left gear is meshed with the right gear. A roller is provided at the lower part of the right gear, and a cam groove is provided on the outer circumferential surface of the cylindrical cam. The roller cooperates with the cam groove of the cylindrical cam. The opening and closing of the left clamping jaw and the right clamping jaw are controlled by the movement of the roller on the cylindrical cam.

[0009] Preferably, the left clamping jaw and the right clamping jaw are detachably mounted with clamping tooling.

[0010] Furthermore, a pressing mechanism is provided in front of the flipping mechanism, and the pressing mechanism includes a pressing rod, which swings up and down under the action of power. A pressing tool is provided at the bottom of the end of the pressing rod, and the pressing mechanism is used to re-press the folded and pressed package.

[0011] Furthermore, the pressing mechanism also includes a pressing power shaft, a first cam, a roller assembly, a transfer rod, and a driven shaft. The pressing power shaft and the driven shaft are respectively rotatably connected to the chassis. The first cam is fixedly arranged on the pressing power shaft. A cam groove is opened on the first cam. An outer roller and an inner roller are installed on the roller assembly. The inner roller and the outer roller are clamped on both sides of the inner and outer walls of the cam groove. The other end of the roller assembly is hinged to the transfer rod, and the other end of the transfer rod is fixedly connected to the driven shaft. The other end of the driven shaft is fixedly connected to the pressing rod; the pressing power shaft makes a circular motion, driving the first cam to make a circular motion. With the cooperation of the inner roller, the outer roller and the first cam of the roller assembly, the roller assembly swings back and forth, driving the transfer rod, the driven shaft and the pressing rod to swing back and forth up and down.

[0012] Furthermore, a conveying mechanism is provided behind the flipping mechanism, and the conveying mechanism includes a frame, and a synchronous pulley C and a synchronous pulley D are provided at both ends of the frame. The synchronous pulley C and the synchronous pulley D are connected to a circularly arranged conveying belt, and conveying tooling is evenly distributed on the periphery of the conveying belt. The conveying upper material position of the conveying mechanism is adjacent to the flipping lower material position of the flipping mechanism. The conveying lower material position is located on the side of the conveying mechanism away from the conveying upper material position, and the conveying belt operates intermittently driven by the power component.

[0013] Furthermore, the power assembly includes a cam divider, the input shaft of the cam divider is driven by the power of the packaging machine, the output shaft of the cam divider is fixedly connected to a synchronous pulley A, the synchronous pulley A is connected to a synchronous pulley C through a first belt, and the synchronous pulley C realizes intermittent rotation under the intermittent operation of the cam divider.

[0014] Furthermore, a synchronous pulley B and an adjusting wheel are provided between the synchronous pulley A and the synchronous pulley C. The synchronous pulley B, the synchronous pulley A and the synchronous pulley C are arranged in a right triangle, and the adjusting wheel is located on the hypotenuse side of the right triangle.

[0015] Furthermore, the input shaft and output shaft of the cam divider are arranged perpendicularly, a dividing cam is fixedly arranged on the input shaft, an output turret is fixedly arranged on the output shaft, a plurality of needle bearings B are evenly distributed on the outer periphery of the output turret, the needle bearings B cooperate with the dividing cam, the dividing cam performs circular motion with the input shaft, and the needle bearings B rotate the output turret through the output angle of the dividing cam, thereby realizing that the output shaft drives the synchronous pulley A to perform intermittent operation.

[0016] The beneficial effects of the present invention are:

[0017] In the discharging mechanism of the packaging machine of the present invention, the flipping mechanism realizes the requirement of 180° flipping of the product simultaneously during the process of product clamping and transportation. The structural design is ingenious, which solves the problem of disorderly product discharging. The orderly discharging is more conducive to the subsequent grabbing of the equipment and improves the equipment efficiency. The power of the flipping mechanism is driven by the power of the packaging machine, which can save the power source and coordinate with the start and stop of the packaging machine.

[0018] In the discharging mechanism of the packaging machine of the present invention, the pressing mechanism arranged before the turning mechanism realizes the re-pressing of the product packaged in the previous process, so that the packaging paper fits the product better and the packaging is more refined.

[0019] In the discharging mechanism of the packaging machine of the present invention, the conveying mechanism arranged after the flipping mechanism can further realize the orderly conveying of the products. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a structural schematic diagram of the flipping mechanism;

[0023] Figure 3 yes Figure 2 A partial enlarged schematic diagram of

[0024] Figure 4 yes Figure 2 A cross-sectional schematic diagram of

[0025] Figure 5 is a schematic diagram of the internal structure of the clamping assembly;

[0026] Figure 6 It is a structural schematic diagram of the pressing mechanism;

[0027] Figure 7 It is a structural schematic diagram of the conveying mechanism;

[0028] Figure 8 It is a schematic diagram of the internal structure of the cam divider;

[0029] Fig. 9 yes Figure 1 Partial front view of .

[0030] Figure numerals: I-turning mechanism, II-pressing mechanism, III-conveying mechanism; 1-force wheel A, 2-conjugate cam, 3-indexing plate, 4-needle bearing A, 5-spindle, 6-connecting block, 7-connecting rod, 8-sleeve, 9-left clamping jaw, 10-right clamping jaw, 11-turning loading position, 12-turning unloading position, 13-outer cover plate, 14-turning cylinder, 15-cylindrical cam, 16-left gear, 17-right gear, 18-roller, 19-first cam, 20-roller assembly, 21-pressing power Shaft, 22-inner roller, 23-pressing rod, 24-pressing tooling, 25-outer roller, 26-driven shaft, 27-adapter rod; 28-dividing cam, 29-needle bearing B, 30-helping wheel B, 31-output angle, 32-output shaft, 33-synchronous pulley A, 34-first belt, 35-synchronous pulley B, 36-adjusting wheel, 37-synchronous pulley C, 38-conveying belt, 39-synchronous pulley D, 40-conveying upper material position, 41-conveying lower material position, 42-cam divider; 43-swing block. DETAILED DESCRIPTION

[0031] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians of the art without making creative work are within the scope of protection of the present application.

[0032] A discharging mechanism of a packaging machine, such as Figure 1-Figure 9As shown, it includes a flipping mechanism I, which includes a flipping module and a clamping module. The flipping module includes a flipping cylinder and a first transmission assembly, and the first transmission assembly drives the flipping cylinder to perform graduated intermittent rotational motion; the clamping module includes a clamping assembly and a second transmission assembly, and the clamping assembly is arranged on the flipping cylinder, and the second transmission assembly drives the clamping assembly to complete the clamping action.

[0033] The first transmission assembly includes a power shaft and a main shaft 5 arranged in parallel, a lever wheel A1 is fixedly provided on the power shaft, and the lever wheel A1 is driven by the power on the packaging machine; a conjugate cam 2 is fixedly provided on the power shaft, and a dividing plate 3 is fixedly connected to the main shaft 5, and the conjugate cam 2 cooperates with the needle bearing A4 on the dividing plate 3, and the power shaft performs circular motion, driving the conjugate cam 2 to perform circular motion, and when the conjugate cam 2 rotates, the needle bearing A4 on the dividing plate 3 is moved by its characteristic point, so that the dividing plate 3 performs intermittent rotation of the dividing plate 3; the other end of the main shaft 5 is fixedly connected to the flip cylinder 14, so the flip cylinder 14 also performs intermittent rotation of the dividing plate. Preferably, the flip cylinder 14 includes a barrel and an outer cover plate 13, and the outer cover plate 13 is used to block the barrel, and the outer cover plate 13 is fixedly connected to the main shaft 5. The power shaft is driven by the power on the packaging machine through the lever wheel A1, so as to achieve coordination with the start and stop of the packaging machine.

[0034] The second transmission assembly includes a connecting block 6, a connecting rod 7, a pendulum block 43, a sleeve 8, and a cylindrical cam 15. The connecting block 6 is key-connected to the power shaft, and the sleeve 8 is rotatably arranged on the outer periphery of the main shaft 5. One end of the connecting rod 7 is hinged to the connecting block 6 through a shaft and a bearing, and the other end is hinged to one end of the pendulum block 43 through a shaft and a bearing. The pendulum block 43 is key-connected to the sleeve 8, and the other end of the sleeve 8 is fixedly connected to the cylindrical cam 15. The connecting block 6 performs a circular motion driven by the power shaft, driving the end of the connecting rod 7 connected to the connecting block 6 to rotate, and the connecting rod 7 drives the pendulum block 43 to perform reciprocating swings of a corresponding amplitude, so the sleeve 8 and the cylindrical cam 15 also perform reciprocating swing motions.

[0035] The clamping assembly is arranged tangentially along the flip drum, such as Figure 2-Figure 4 As shown, it includes a left clamping jaw 9 and a right clamping jaw 10, and the left clamping jaw 9 and the right clamping jaw 10 are rotatably connected to the body of the flip cylinder 14, the left clamping jaw 9 is fixedly connected to the left gear 16, and the right clamping jaw 10 is fixedly connected to the right gear 17, the left gear 16 and the right gear 17 are rotatably arranged in the flip cylinder 14, and the left gear 16 is meshed and connected with the right gear 17; a roller 18 is provided at the lower part of the right gear 17, and a cam groove is provided on the outer circumferential surface of the cylindrical cam 15, and the roller 18 cooperates with the cam groove of the cylindrical cam 15. Whenever the roller 18 moves to the characteristic part of the cylindrical cam 15, it drives the right gear 17 and the left gear 16 to rotate relative to each other, so that the left clamping jaw and the right clamping jaw rotate relative to each other to be in an open state, and vice versa; therefore, the roller 18 moves on the cylindrical cam 15 to control the opening and closing of the clamping jaw. Specifically, in this embodiment, it is provided that when the clamping jaw moves to the following state: Figure 1The loosening and clamping actions will only occur when the loading position 11 and the unloading position 12 are turned over as shown, and the rest of the normal state is the clamping state.

[0036] Furthermore, the left clamping jaw 9 and the right clamping jaw 10 can be detachably mounted with clamping tools of corresponding products for gripping products in an embracing manner, and can be compatible with different products by replacing the clamping tool blocks on the clamping jaw assembly.

[0037] Furthermore, a material pressing mechanism II is provided in front of the flipping mechanism, and the material pressing mechanism is as follows: Figure 4 As shown, it includes a pressing rod 23, which swings up and down under the action of power. A pressing tool 24 is provided at the bottom of the end of the pressing rod 23, and a pressing groove is provided on the pressing tool 24; the pressing mechanism is used to re-press the folded and pressed package.

[0038] Preferably, the pressing mechanism further comprises a pressing power shaft 21, a first cam 19, a roller assembly 20, a transfer rod 27, and a driven shaft 26. The pressing power shaft 21 and the driven shaft 26 are respectively connected to the chassis for rotation. The first cam 19 is fixed to the pressing power shaft 21. A cam groove is provided on the first cam 19. An outer roller 25 and an inner roller 22 are installed on the roller assembly 20. The inner roller 22 and the outer roller 25 are clamped on both sides of the inner and outer walls of the cam groove. The other end of the roller assembly 20 is hinged to the transfer rod 27, the other end of the transfer rod 27 is fixedly connected to the driven shaft 26, and the other end of the driven shaft 26 is fixedly connected to the pressing rod 23; the pressing power shaft 21 makes a circular motion, driving the first cam 19 to make a circular motion, and under the cooperation of the inner roller 22 and the outer roller 25 of the roller assembly 20 and the first cam 19, the roller assembly 20 makes a reciprocating swing, driving the transfer rod 27, the driven shaft 26 and the pressing rod 23 to make a reciprocating swing up and down. The pressing tool 24 presses the candy paper after packaging and folding, so that the candy paper fits the surface of the candy body more closely.

[0039] Furthermore, a conveying mechanism III is provided behind the turnover mechanism, such as Figure 5 , Figure 6 As shown, the conveying mechanism includes a frame, and synchronous pulleys C37 and D39 are provided at both ends of the frame. The synchronous pulleys C37 and D39 are connected to a circular conveying belt 38. Conveying tooling is evenly distributed on the periphery of the conveying belt 38. The conveying loading position 40 of the conveying mechanism is adjacent to the flipping unloading position 12 of the flipping mechanism. The conveying unloading position 41 is located on the side of the conveying mechanism away from the conveying loading position 40. The conveying belt 38 operates intermittently driven by the power component.

[0040] The power assembly includes a cam divider 42, the input shaft of the cam divider is driven by the power of the packaging machine, the output shaft 32 of the cam divider is fixedly connected to a synchronous pulley A33, the synchronous pulley A33 is connected to a synchronous pulley C37 through a first belt 34, and the synchronous pulley C37 is driven by the intermittent operation of the cam divider to realize intermittent rotation, thereby driving the conveyor belt 38 to perform intermittent operation. Furthermore, a synchronous pulley B35 and an adjusting wheel 36 are also arranged between the synchronous pulley A33 and the synchronous pulley C37, and the synchronous pulley B35, the synchronous pulley A33, and the synchronous pulley C37 are arranged in a right triangle, and the adjusting wheel 36 is located on the hypotenuse side of the right triangle, and is used to adjust the tightness of the first pulley 34. Preferably, a lever pulley B30 is fixedly connected to the input shaft of the cam divider 42, and the lever pulley B30 is driven by the power of the packaging machine.

[0041] The input shaft of the cam divider 42 is arranged perpendicularly to the output shaft 32, a dividing cam 28 is fixed on the input shaft, an output turret is fixed on the output shaft 32, a plurality of needle bearings B29 are evenly distributed on the outer periphery of the output turret, the needle bearings B29 cooperate with the dividing cam 28, the dividing cam 28 makes circular motion with the input shaft, the needle bearings B29 rotate the output turret through the output angle 31 of the dividing cam 28, so that the output shaft 32 performs intermittent operation, and the synchronous pulley A33 is fixedly connected to the output shaft 32, so the synchronous pulley A33 also rotates intermittently.

[0042] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field may make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A discharging mechanism of a packaging machine, characterized in that: The invention comprises a flipping mechanism, wherein the flipping mechanism comprises a flipping module and a clamping module, wherein the flipping module comprises a flipping cylinder (14) and a first transmission component, wherein the first transmission component drives the flipping cylinder (14) to perform indexed intermittent rotational motion; and the clamping module comprises a clamping component and a second transmission component, wherein the clamping component is arranged on the flipping cylinder (14), and the second transmission component drives the clamping component to complete the clamping action.

2. The discharging mechanism of the packaging machine according to claim 1, characterized in that: The first transmission assembly comprises a power shaft and a main shaft (5) arranged in parallel, a lever wheel A (1) is fixedly provided on the power shaft, and the lever wheel A (1) is driven by the power on the packaging machine; a conjugate cam (2) is fixedly provided on the power shaft, a dividing plate (3) is fixedly connected to the main shaft (5), the conjugate cam (2) cooperates with a needle bearing A (4) on the dividing plate (3), and the other end of the main shaft (5) is fixedly connected to a turning cylinder (14); the conjugate cam (2) cooperates with the needle bearing A (4) of the dividing plate (3) to realize the indexing intermittent rotation of the main shaft (5) and the turning cylinder (14).

3. The discharging mechanism of the packaging machine according to claim 2, characterized in that: The second transmission assembly comprises a connecting block (6), a connecting rod assembly (7), a shaft sleeve (8), and a cylindrical cam (15); the connecting block (6) is key-connected to the power shaft; the shaft sleeve (8) is rotatably arranged on the outer periphery of the main shaft (5); one end of the connecting rod (7) is hinged to the connecting block (6), and the other end is hinged to one end of a swing block (43); the swing block (43) is key-connected to the shaft sleeve (8); the other end of the shaft sleeve (8) is fixedly connected to the cylindrical cam (15); the connecting block (6) performs circular motion under the drive of the power shaft, and drives the connecting rod assembly (7), the shaft sleeve (8), and the cylindrical cam (15) to perform reciprocating swinging motion; The clamping assembly is arranged tangentially along the turning cylinder, and comprises a left clamping jaw (9) and a right clamping jaw (10). The left clamping jaw (9) and the right clamping jaw (10) are rotatably connected to the side wall of the turning cylinder (14). The left clamping jaw (9) is fixedly connected to a left gear (16), and the right clamping jaw (10) is fixedly connected to a right gear (17). The left gear (16) and the right gear (17) are rotatably arranged in the turning cylinder (14), and the left gear (16) and the right gear (17) are meshedly connected. A roller (18) is arranged at the lower part of the right gear (17), and a cam groove is arranged on the outer circumferential surface of the cylindrical cam (15). The roller (18) cooperates with the cam groove of the cylindrical cam (15). The opening and closing of the left clamping jaw and the right clamping jaw are controlled by the movement of the roller (18) on the cylindrical cam (15).

4. The discharging mechanism of the packaging machine according to claim 3, characterized in that: The left clamping jaw (9) and the right clamping jaw (10) are provided with detachable clamping tools.

5. The discharging mechanism of the packaging machine according to claim 1, characterized in that: A pressing mechanism is also provided in front of the flipping mechanism, and the pressing mechanism comprises a pressing rod (23). The pressing rod (23) performs up and down swinging motion under the action of power, and a pressing tool (24) is provided at the bottom of the end of the pressing rod (23). The pressing mechanism is used to re-press the folded and pressed package.

6. The discharging mechanism of the packaging machine according to claim 5, characterized in that: The material pressing mechanism further comprises a material pressing power shaft (21), a first cam (19), a roller assembly (20), a transfer rod (27), and a driven shaft (26). The material pressing power shaft (21) and the driven shaft (26) are respectively rotatably connected to the chassis. The first cam (19) is fixedly arranged on the material pressing power shaft (21). A cam groove is formed on the first cam (19). An outer roller (25) and an inner roller (22) are installed on the roller assembly (20). The inner roller (22) and the outer roller (25) are clamped on both sides of the inner and outer walls of the cam groove. The other end of the assembly (20) is hinged to a transfer rod (27), the other end of the transfer rod (27) is fixedly connected to a driven shaft (26), and the other end of the driven shaft (26) is fixedly connected to a press rod (23); the press power shaft (21) performs a circular motion, driving the first cam (19) to perform a circular motion, and under the cooperation of the inner roller (22) and the outer roller (25) of the roller assembly (20) and the first cam (19), the roller assembly (20) performs a reciprocating swing, driving the transfer rod (27), the driven shaft (26) and the press rod (23) to perform a reciprocating swing up and down.

7. The discharging mechanism of the packaging machine according to claim 1 or 5, characterized in that: A conveying mechanism is arranged behind the turnover mechanism, the conveying mechanism comprises a frame, and synchronous pulleys C (37) and D (39) are arranged at both ends of the frame. The synchronous pulleys C (37) and D (39) are connected to a conveying belt (38) arranged in an annular manner, and conveying tooling is evenly arranged on the periphery of the conveying belt (38). The conveying upper material position (40) of the conveying mechanism is adjacent to the turning lower material position (12) of the turnover mechanism, and the conveying lower material position (41) is located on a side of the conveying mechanism away from the conveying upper material position (40). The conveying belt (38) operates intermittently under the drive of the power component.

8. The discharging mechanism of the packaging machine according to claim 7, characterized in that: The power assembly comprises a cam divider (42), the input shaft of the cam divider is driven by the power of the packaging machine, the output shaft (32) of the cam divider is fixedly connected to a synchronous pulley A (33), the synchronous pulley A (33) is connected to a synchronous pulley C (37) via a first belt (34), and the synchronous pulley C (37) realizes intermittent rotation under the intermittent operation of the cam divider.

9. The discharging mechanism of the packaging machine according to claim 8, characterized in that: A synchronous pulley B (35) and an adjusting wheel (36) are arranged between the synchronous pulley A (33) and the synchronous pulley C (37); the synchronous pulley B (35), the synchronous pulley A (33) and the synchronous pulley C (37) are arranged in a right triangle, and the adjusting wheel (36) is located on the hypotenuse side of the right triangle.

10. The discharging mechanism of the packaging machine according to claim 8, characterized in that: The input shaft of the cam divider (42) is arranged perpendicularly to the output shaft (32), a dividing cam (28) is fixedly arranged on the input shaft, an output turret is fixedly arranged on the output shaft (32), a plurality of needle bearings B (29) are evenly arranged on the outer periphery of the output turret, the needle bearings B (29) cooperate with the dividing cam (28), the dividing cam (28) performs circular motion with the input shaft, and the needle bearings B (29) rotate the output turret through the output angle (31) of the dividing cam (28), so that the output shaft (32) drives the synchronous pulley A (33) to perform intermittent operation.

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