CN115042257B

CN115042257B - A back guide conveyer for plastic products production

Info

Publication number: CN115042257B
Application number: CN202210324029.XA
Authority: CN
Inventors: 崔伟星; 徐耀坤; 王彪
Original assignee: Beijing Yonghua Qingtian Technology Development Co ltd
Current assignee: Beijing Yonghua Qingtian Technology Development Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2023-08-25
Anticipated expiration: 2042-04-01
Also published as: CN115042257A

Abstract

The application discloses a back guide conveying device for plastic product production, which comprises a cutlery box, a base, a first bracket and a second bracket, wherein the first bracket is positioned in the middle of the second bracket, a cutting machine is arranged on one side of the base, a lifting transmission mechanism is arranged on the first bracket, and the lifting transmission mechanism comprises a driving belt, a lifting part, a driving part and a driven part; the lifting part can drive the driving belt to reciprocate in the vertical direction, the driven part can drive the cutlery box to horizontally move at different heights, the driving part moves along with the lifting part, and the driven part is selectively driven to rotate. The application has the beneficial effects that the batch-produced cutlery box can automatically move to the packaging station with lower station by the action of the lifting transmission mechanism, the manual repeated up-and-down movement is avoided, the working efficiency is improved, the potential safety hazard is reduced, and meanwhile, the lifting part can selectively drive the left driven part and the right driven part by the cooperation of the transmission part and the driven part, so that the manufacturing cost and the use cost are reduced.

Description

A back guide conveyer for plastic products production

Technical Field

The application relates to the technical field of plastic product production, in particular to a back guide conveying device for plastic product production.

Background

The cutlery box belongs to one kind of plastic products, and needs to be subjected to the procedures of molding, cutting, finished product transportation, waste transportation, packaging and the like during production; in actual operation, a part of old machine types need to manually carry the cutlery box out of the station after the cutlery box is formed, the operation needs to consume more labor, the efficiency is low, and because the height of the forming station is higher, the frequent up-and-down movement has higher potential safety hazard, and the existing conveying mechanism can meet the working requirement, but has higher manufacturing cost and use cost;

the leftover materials after cutting need to be recovered and processed, when the leftover materials are collected and operated, the recovery roll is arranged on one side next to the lower portion of the support, the space of the position is very narrow, in order to ensure the rolling quality, the rolling roll needs to be in a parallel state with the support, when the leftover material roll is detached, manual dragging is needed, and because the quality is heavier, the labor is very consumed, and the manual operation is inconvenient.

Disclosure of Invention

In view of the above drawbacks, the present application provides a post-guide conveyor for plastic product production, which solves the above problems.

In order to achieve the above purpose, the present application adopts the following technical scheme:

the utility model provides a back guide conveyer for plastic products production, includes cutlery box, base, support one and support two are installed on the base, and support two is equipped with two, and support one is located the middle of support two, base one side is equipped with the cutting machine, and the arm is installed to the cutting machine upper end, install lifting transmission mechanism on the support one, lifting transmission mechanism includes drive belt, lifting part, drive part and driven part; the lifting part can drive the driving belt to reciprocate in the vertical direction, and can drive the driving belt to transmit, the driven part can drive the cutlery box to horizontally move at different heights, and the driving part moves along with the lifting part and selectively drives the driven part to rotate;

the base is provided with a leftover material recycling mechanism, and the leftover material recycling mechanism comprises a leftover material body, a guide part, a buffer part and a winding part; the guide part can change the moving direction and the moving path of the leftover material body, the furling part can intermittently collect the leftover material body, the collecting frequency is synchronous with the lifting frequency of the lifting part, the buffer part can swing up and down, and the leftover material body is prevented from being subjected to larger pulling force.

Further, the lifting part comprises rectangular grooves formed in four corners of the support, sliding blocks are arranged in the rectangular grooves, horizontal through holes are formed in the side surfaces of the sliding blocks, a first bearing is arranged in the center of each horizontal through hole, a driving roller is arranged on an inner ring of each first bearing, a pair of driving rollers are arranged, two ends of a driving belt are sleeved on the driving rollers, and a connecting shaft is arranged at one end of each driving roller; the two ends of the driving roller are provided with a bearing II, one side of the bearing II is provided with a support rod, the two ends of the support rod are fixedly connected with the bearing II, the side surface of the support rod is provided with an internal thread block, the upper end and the lower end of the support I are respectively provided with a bearing III, the bearing III is provided with two pairs, the inner ring of the bearing III is provided with a thread shaft meshed with the internal thread block, the upper end of the thread shaft is provided with a gear I, the upper end of the support I is provided with a rotating motor, the rotating end of the rotating motor is provided with a gear II meshed with the gear I, the upper end of the thread shaft is provided with a single grooved pulley I, and one side of the single grooved pulley I is provided with a triangular belt; one end of the connecting shaft is provided with a gear III, the side surface of the supporting rod is provided with a stepping motor, and the rotating end of the stepping motor is provided with a gear IV meshed with the gear III; the gear III is provided with one gear.

Further, driven portion is including installing the driven voller in support two upper ends, and the driven voller is equipped with two pairs, and the belt is installed to driven voller one side, and the belt both ends are connected with driven voller suit, and the solid piece is installed to driven voller one end, and the solid piece is equipped with one, and solid piece side surface is opened there is the rectangle opening.

Further, the transmission part comprises an L-shaped rod arranged at two ends of the supporting rod, a bearing IV is arranged at one end of the L-shaped rod, a single grooved pulley II is arranged at the four outer circles of the bearing, a rectangular block is arranged at the two end faces of the single grooved pulley II, the rectangular block corresponds to the rectangular groove in position, a single grooved pulley III is arranged at one end of the connecting shaft, and a toothed belt is arranged between the single grooved pulley III and the single grooved pulley II.

Further, the guide part comprises a first vertical bearing arranged on the upper surface of the base, a first guide roller is arranged on the inner ring of the first vertical bearing, the first guide roller is arranged below a second support, a second vertical bearing is arranged on the upper surface of the base, an inclined roller is arranged on the inner ring of the second vertical bearing, the axis of the inclined roller is 45 degrees with the conveying direction of the leftover material body, roller supports are respectively arranged at the upper end and the lower end of the first support, a second guide roller is arranged at one end of each roller support, and the leftover material body bypasses the first guide roller, the inclined roller and the second guide roller in sequence.

Further, the buffer part comprises a swinging rod arranged at the upper end of the roller support, the swinging rod is hinged with the roller support, the swinging rod is arranged on the roller support at the upper end, a tension spring I is arranged between the swinging rod and the roller support, a fine roller is arranged at one end of the swinging rod, and the leftover material body bypasses the fine roller.

Further, the rolling part comprises a rolling roller, one end of the leftover material body is connected with the rolling roller in a winding way, a pair of vertical side plates are arranged on the upper surface of the base, the vertical side plates are positioned on one side of the support, a limiting groove is formed in the side surface of each vertical side plate, a moving block is arranged in each limiting groove, a damping bearing is arranged at the center of each moving block, a compression roller is arranged at the inner ring of each damping bearing, and a second tension spring is arranged between each moving block and each vertical side plate; the U-shaped groove is formed in the upper end of the vertical side plate, the winding roller is arranged in the U-shaped groove, the cover plate is arranged at the upper end of the U-shaped groove, one end of the cover plate is hinged with the vertical side plate, and the buckle is installed at one end of the cover plate.

Further, the winding part also comprises a bearing five installed at one end of the press roller, a winding groove is installed on the outer ring of the bearing five, a connecting rod is installed on the upper surface of the base, a clockwork spring is installed between the connecting rod and the winding groove, and a unidirectional wheel is installed between the winding groove and the press roller; the first support and the base are respectively provided with a fixed pulley, a connecting rope is arranged between one end of the support rod and the winding groove, and the connecting rope sequentially bypasses the fixed pulleys from top to bottom.

The beneficial effects of the application are as follows: the lifting transmission mechanism has the advantages that the batch-produced cutlery boxes can automatically move to the packaging station with lower stations under the action of the lifting transmission mechanism, manual repeated up-and-down movement is avoided, the working efficiency is improved, meanwhile, the potential safety hazard is reduced, and meanwhile, the lifting part can selectively drive the left driven part and the right driven part through the cooperation of the transmission part and the driven part, so that the manufacturing cost and the use cost are reduced;

the leftover material recovery mechanism has the advantages that the leftover material body can be moved to a place with a wider space on one side of the support through the effect of the leftover material recovery mechanism, so that the leftover material roll can be conveniently assembled and disassembled manually, the roll-up part is pulled to work through the lifting part, the lifting part and the roll-up part share a power source, and the manufacturing cost is further reduced.

Drawings

FIG. 1 is a schematic view of a back-end guide conveyor for plastic product production according to the present application;

FIG. 2 is a schematic top view of the lift;

FIG. 3 is a schematic side view of the lifting portion;

FIG. 4 is a partial schematic view of the lifting portion;

FIG. 5 is a schematic top view of the transmission;

FIG. 6 is a partial schematic view of a guide;

FIG. 7 is a schematic view of a retractor;

FIG. 8 is a partial schematic view of a retractor;

FIG. 9 is a schematic elevational view of the upright side plate;

FIG. 10 is a schematic top view of a skewed roller;

in the figure, 1, a cutlery box; 2. a base; 3. a first bracket; 4. a second bracket; 5. a cutting machine; 6. a mechanical arm; 7. a transmission belt; 8. a lifting part; 9. a transmission part; 10. a driven part; 11. a scrap body; 12. a guide part; 13. a buffer section; 14. a winding part; 15. rectangular grooves; 16. a sliding block; 17. a horizontal through hole; 18. a first bearing; 19. a drive roll; 20. a connecting shaft; 21. a second bearing; 22. a support rod; 23. an internal thread block; 24. a third bearing; 25. a threaded shaft; 26. a first gear; 27. a rotating electric machine; 28. a second gear; 29. a single sheave one; 30. a V-belt; 31. a third gear; 32. a stepping motor; 33. a fourth gear; 34. driven roller; 35. a belt; 36. a solid block; 37. an L-shaped rod; 38. a bearing IV; 39. a single sheave II; 40. rectangular blocks; 41. a single sheave III; 42. a toothed belt; 43. a first vertical bearing; 44. a guide roller I; 45. a second vertical bearing; 46. an inclined roller; 47. a roller bracket; 48. a second guide roller; 49. a swinging rod; 50. a tension spring I; 51. a fine roller; 52. a winding roller; 53. a vertical side plate; 54. a limit groove; 55. a moving block; 56. damping bearings; 57. a press roller; 58. a second stretching spring; 59. a U-shaped groove; 60. a cover plate; 61. a buckle; 62. a fifth bearing; 63. winding grooves; 64. a clockwork spring; 65. a unidirectional wheel; 66. a fixed pulley; 67. a connecting rope; 68. rectangular openings; 69. and (5) connecting a rod.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

The embodiment of the application provides a back guide conveying device for plastic product production, please refer to fig. 1-10: the novel meal box comprises a meal box 1, a base 2, a first support 3 and a second support 4, wherein the first support 3 and the second support 4 are arranged on the base 2, the second support 4 is provided with two supports, the first support 3 is positioned in the middle of the second support 4, a cutting machine 5 is arranged on one side of the base 2, a mechanical arm 6 is arranged at the upper end of the cutting machine 5, a lifting transmission mechanism is arranged on the first support 3, and the lifting transmission mechanism comprises a driving belt 7, a lifting part 8, a driving part 9 and a driven part 10; the lifting part 8 can drive the driving belt 7 to reciprocate in the vertical direction, meanwhile, the driving belt 7 can be driven to transmit, the driven part 10 can drive the cutlery box 1 to horizontally move at different heights, the driving part 9 moves along with the lifting part 8, and the driven part 10 is selectively driven to rotate;

the base 2 is provided with a leftover material recycling mechanism which comprises a leftover material body 11, a guide part 12, a buffer part 13 and a winding part 14; the guide part 12 can change the moving direction and the moving path of the leftover material body 11, the furling part 14 can intermittently collect the leftover material body 11, the collecting frequency is synchronous with the lifting frequency of the lifting part 8, the buffer part 13 can swing up and down, and the leftover material body 11 is prevented from being subjected to larger pulling force.

The lifting part 8 comprises rectangular grooves 15 which are formed in four corners of the first bracket 3, sliding blocks 16 are arranged in the rectangular grooves 15, horizontal through holes 17 are formed in the side surfaces of the sliding blocks 16, a first bearing 18 is arranged in the center of each horizontal through hole 17, driving rollers 19 are arranged on the inner ring of each first bearing 18, a pair of driving rollers 19 are arranged, two ends of a driving belt 7 are sleeved on the driving rollers 19, and a connecting shaft 20 is arranged at one end of each driving roller 19; the two ends of the driving roller 19 are provided with a second bearing 21, one side of the second bearing 21 is provided with a support rod 22, the support rod 22 is provided with a pair of support rods, two ends of the support rod 22 are fixedly connected with the second bearing 21, the side surface of the support rod 22 is provided with an internal thread block 23, the upper end and the lower end of a first bracket 3 are respectively provided with a third bearing 24, the third bearing 24 is provided with two pairs, the inner ring of the third bearing 24 is provided with a thread shaft 25 meshed with the internal thread block 23, the upper end of the thread shaft 25 is provided with a first gear 26, the upper end of the first bracket 3 is provided with a rotating motor 27, the rotating end of the rotating motor 27 is provided with a second gear 28 meshed with the first gear 26, the upper end of the thread shaft 25 is provided with a single grooved pulley 29, and one side of the single grooved pulley 29 is provided with a triangular belt 30; a gear III 31 is arranged at one end of the connecting shaft 20, a stepping motor 32 is arranged on the side surface of the supporting rod 22, and a gear IV 33 meshed with the gear III 31 is arranged at the rotating end of the stepping motor 32; the third gear 31 is provided with one.

The driven part 10 comprises driven rollers 34 arranged at the upper end of the second bracket 4, the driven rollers 34 are provided with two pairs, a belt 35 is arranged on one side of the driven rollers 34, two ends of the belt 35 are connected with the driven rollers 34 in a sleeved mode, a solid block 36 is arranged at one end of each driven roller 34, one solid block 36 is provided, and rectangular openings 68 are formed in the side surfaces of the solid blocks 36.

The transmission part 9 comprises an L-shaped rod 37 arranged at two ends of the supporting rod 22, a bearing IV 38 is arranged at one end of the L-shaped rod 37, a single grooved pulley II 39 is arranged on the outer ring of the bearing IV 38, a rectangular block 40 is arranged on the end face of the single grooved pulley II 39, the rectangular block 40 corresponds to the position of the rectangular groove 15, a single grooved pulley III 41 is arranged at one end of the connecting shaft 20, and a toothed belt 42 is arranged between the single grooved pulley III 41 and the single grooved pulley II 39.

The guide part 12 comprises a first vertical bearing 43 arranged on the upper surface of the base 2, a first guide roller 44 is arranged on the inner ring of the first vertical bearing 43, the first guide roller 44 is positioned below a second support 4, a second vertical bearing 45 is arranged on the upper surface of the base 2, an inclined roller 46 is arranged on the inner ring of the second vertical bearing 45, the axis of the inclined roller 46 is 45 degrees with the conveying direction of the leftover material body 11, roller supports 47 are respectively arranged at the upper end and the lower end of the first support 3, a second guide roller 48 is arranged at one end of each roller support 47, and the leftover material body 11 sequentially bypasses the first guide roller 44, the inclined roller 46 and the second guide roller 48.

The buffer part 13 comprises a swing rod 49 arranged at the upper end of the roller support 47, the swing rod 49 is hinged with the roller support 47, the swing rod 49 is arranged on the roller support 47 at the upper end, a tension spring I50 is arranged between the swing rod 49 and the roller support 47, a fine roller 51 is arranged at one end of the swing rod 49, and the leftover material body 11 bypasses the fine roller 51.

The rolling part 14 comprises a rolling roller 52, one end of the leftover material body 11 is connected with the rolling roller 52 in a winding way, a vertical side plate 53 is arranged on the upper surface of the base 2, a pair of vertical side plates 53 are arranged, the vertical side plate 53 is positioned on one side of the first bracket 3, a limiting groove 54 is formed in the side surface of the vertical side plate 53, a moving block 55 is arranged in the limiting groove 54, a damping bearing 56 is arranged at the center of the moving block 55, a compression roller 57 is arranged at the inner ring of the damping bearing 56, and a second extension spring 58 is arranged between the moving block 55 and the vertical side plate 53; the upper end of the vertical side plate 53 is provided with a U-shaped groove 59, the winding roller 52 is arranged in the U-shaped groove 59, the upper end of the U-shaped groove 59 is provided with a cover plate 60, one end of the cover plate 60 is hinged with the vertical side plate 53, and one end of the cover plate 60 is provided with a buckle 61.

The winding part 14 further comprises a bearing five 62 arranged at one end of the press roller 57, a winding groove 63 is arranged on the outer ring of the bearing five 62, a connecting rod 69 is arranged on the upper surface of the base 2, a clockwork spring 64 is arranged between the connecting rod 69 and the winding groove 63, and a one-way wheel 65 is arranged between the winding groove 63 and the press roller 57; the first bracket 3 and the base 2 are respectively provided with a fixed pulley 66, a connecting rope 67 is arranged between one end of the supporting rod 22 and the winding groove 63, and the connecting rope 67 sequentially bypasses the fixed pulley 66 from top to bottom.

In this embodiment, the electrical appliance of the device is controlled by the external controller, the cutter 5 can separate the formed cutlery box 1 from the leftover material body 11, the mechanical arm 6 can move the cut cutlery box 1 to the bracket two 4 on the left side, and the cutter 5 and the mechanical arm 6 belong to the prior art, so that the detailed description is omitted; along with the repeated reciprocating movement of the mechanical arm 6, the cutlery box 1 is stacked on the bracket II 4 on the left side; at this time, the lifting part 8 is at the uppermost end, the rectangular block 40 on the left side is positioned in the rectangular notch 68 on the left side, the stepping motor 32 is controlled to rotate, the stepping motor 32 rotates to drive the gear IV 33 to rotate, the gear IV 33 drives the gear III 31 to rotate, the gear III 31 drives the connecting shaft 20 and the driving roller 19 to rotate clockwise, the driving roller 19 drives the driving belt 7 to convey, meanwhile, the connecting shaft 20 also drives the single grooved pulley III 41 to rotate, the single grooved pulley III 41 drives the single grooved pulley II 39 to rotate under the action of the toothed belt 42, and the single grooved pulley II 39 drives the rectangular block 40 to rotate; 40 drive the solid block 36 and the driven roller 34 to rotate clockwise and drive the left belt 35 to convey, the operation can move the cutlery box 1 from the left belt 35 to the driving belt 7, and the stepping motor 32 is controlled to stop rotating;

then the controller controls the rotating motor 27 to rotate, the rotating motor 27 rotates to drive the gear II 28 to rotate, the gear II 28 drives the gear I26 and the threaded shaft 25 to rotate, a single grooved pulley I29 at the upper end of the threaded shaft 25 drives a single grooved pulley I29 at the other side and the threaded shaft 25 to rotate through the triangular belt 30, so that the threaded shafts 25 at two sides rotate in the same direction, the threaded shaft 25 rotates to drive the internal threaded block 23 to move downwards, the internal threaded block 23 drives the support rod 22, the bearing II 21, the driving roller 19, the sliding block 16 and the transmission part 9 to move downwards until the internal threaded block moves to a position horizontal to the right driven part 10, the rectangular block 40 at the right is combined with the rectangular notch 68 at the right, then the rotating motor 27 is controlled to stop rotating, and then the gear IV 33 is controlled to rotate, so that the lifting part and the driven part 10 at the right side can be indirectly driven to rotate, and the cutlery box 1 can be moved to the driven part 10 at the right side so as to be convenient for the next procedure; then the rotating motor 27 is controlled to reversely rotate, so that the lifting part 8 is lifted and reset;

when the equipment just starts to work, the winding roller 52 needs to be manually put into the U-shaped groove 59, then the buckle 61 is locked, the cover plate 60 is in a horizontal state, the pressing roller 57 is prevented from being ejected out of the U-shaped groove 59, the moving block 55, the damping bearing 56 and the pressing roller 57 can be pulled to have upward movement trend through the action of the second tension spring 58, and the upper end of the pressing roller 57 is tightly attached to the lower end of the winding roller 52;

the leftover material body 11 is sequentially penetrated through the first guide roller 44, the inclined roller 46, the second guide roller 48 at the lower end, the second guide roller 48 at the upper end and the fine roller 51 by manpower, and finally one end of the leftover material body 11 is wound together with the winding roller 52; when the support rod 22 moves downwards, one end of the connecting rope 67 is driven to move downwards, the other end of the connecting rope 67 can pull the winding groove 63 to rotate clockwise through the guiding action of the upper end fixed pulley 66 and the lower end fixed pulley 66, the winding groove 63 rotates clockwise to drive the spring 64 to be in a force storage state, the winding groove 63 drives the press roller 57 to rotate through the unidirectional wheel 65, the press roller 57 drives the winding roller 52 to rotate by virtue of friction, and the winding roller 52 rotates to wind the leftover material body 11 onto the winding roller 52; when the winding roller 52 just rotates, the leftover material body 11 is longer and has larger static inertia, the leftover material body 11 can not reach the linear speed of winding the winding roller 52, the thin roller 51 receives larger pulling force, the swinging rod 49 swings downwards, and the moving distance of the thin roller 51 can offset the local pulling force of the leftover material body 11 to be larger due to the inertia of the leftover material body 11; when the supporting rod 22 moves down to the lowest end, the winding groove 63 stops rotating, the winding operation is completed, the swinging rod 49 can be slowly pulled to swing upwards by the elasticity of the first extension spring 50, the leftover material body 11 at one side of the inclined roller 49 moves to the position of the fine roller 51, and then the supporting rod 22 moves up again;

in the upward moving process, the connecting rope 67 is gradually loosened, the winding groove 63 can be driven to rotate anticlockwise by the elasticity of the spring 64, the spring 64 is in a force releasing state, the winding groove 63 actively winds the connecting rope 67, and the compression roller 57 can be in a stable state by the action of the damping bearing 56; as the roll diameter of the scrap body 11 increases, the pressing roller 57 moves down.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Claims

1. The utility model provides a back guide conveyer for plastic products production, includes cutlery box (1), base (2), support one (3) and support two (4) are installed on base (2), and support two (4) are equipped with two, and support one (3) are located in the middle of support two (4), base (2) one side is equipped with cutting machine (5), and arm (6) are installed to cutting machine (5) upper end, a serial communication port, install elevating transmission mechanism on support one (3), elevating transmission mechanism includes drive belt (7), elevating part (8), drive part (9) and driven part (10); the lifting part (8) can drive the driving belt (7) to reciprocate in the vertical direction, meanwhile, the driving belt (7) can be driven to convey, the driven part (10) can drive the cutlery box (1) to horizontally move at different heights, the driving part (9) moves along with the lifting part (8) and selectively drives the driven part (10) to rotate;

the base (2) is provided with a leftover material recycling mechanism, and the leftover material recycling mechanism comprises a leftover material body (11), a guide part (12), a buffer part (13) and a rolling part (14); the guide part (12) can change the moving direction and the moving path of the leftover material body (11), the furling part (14) can intermittently collect the leftover material body (11), the collecting frequency is synchronous with the lifting frequency of the lifting part (8), the buffer part (13) can swing up and down, and the leftover material body (11) is prevented from being subjected to larger pulling force.

2. The back guide conveying device for plastic product production according to claim 1, wherein the lifting part (8) comprises rectangular grooves (15) formed in four corners of the first bracket (3), sliding blocks (16) are arranged in the rectangular grooves (15), horizontal through holes (17) are formed in the side surfaces of the sliding blocks (16), a first bearing (18) is arranged in the center of each horizontal through hole (17), a driving roller (19) is arranged in an inner ring of each first bearing (18), a pair of driving rollers (19) are arranged, two ends of a driving belt (7) are sleeved on the driving rollers (19), and a connecting shaft (20) is arranged at one end of each driving roller (19); the two ends of the driving roller (19) are provided with a bearing II (21), one side of the bearing II (21) is provided with a supporting rod (22), the two ends of the supporting rod (22) are fixedly connected with the bearing II (21), the side surface of the supporting rod (22) is provided with an internal thread block (23), the upper end and the lower end of the bracket I (3) are respectively provided with a bearing III (24), the bearing III (24) is provided with two pairs, the inner ring of the bearing III (24) is provided with a thread shaft (25) meshed with the internal thread block (23), the upper end of the thread shaft (25) is provided with a first gear (26), the upper end of the bracket I (3) is provided with a rotating motor (27), the rotating end of the rotating motor (27) is provided with a second gear (28) meshed with the first gear (26), the upper end of the thread shaft (25) is provided with a single grooved pulley I (29), and one side of the single grooved pulley I (29) is provided with a triangle belt (30); one end of the connecting shaft (20) is provided with a gear III (31), the side surface of the supporting rod (22) is provided with a stepping motor (32), and the rotating end of the stepping motor (32) is provided with a gear IV (33) meshed with the gear III (31); the gear III (31) is provided with one.

3. The back guide conveying device for plastic product production according to claim 2, wherein the driven part (10) comprises two pairs of driven rollers (34) arranged at the upper end of the second bracket (4), the driven rollers (34) are provided with belts (35) arranged on one side of the driven rollers (34), two ends of the belts (35) are connected with the driven rollers (34) in a sleeved mode, a solid block (36) is arranged at one end of the driven rollers (34), one solid block (36) is arranged, and rectangular openings (68) are formed in the side surfaces of the solid block (36).

4. A back guide conveyor for plastic product production according to claim 3, characterized in that the transmission part (9) comprises an L-shaped rod (37) arranged at two ends of the supporting rod (22), a bearing four (38) is arranged at one end of the L-shaped rod (37), a single grooved pulley two (39) is arranged at the outer ring of the bearing four (38), a rectangular block (40) is arranged at the end face of the single grooved pulley two (39), the rectangular block (40) corresponds to the position of the rectangular groove (15), a single grooved pulley three (41) is arranged at one end of the connecting shaft (20), and a toothed belt (42) is arranged between the single grooved pulley three (41) and the single grooved pulley two (39).

5. The back guide conveying device for plastic product production according to claim 1, wherein the guide part (12) comprises a first vertical bearing (43) arranged on the upper surface of the base (2), a first guide roller (44) is arranged on the inner ring of the first vertical bearing (43), the first guide roller (44) is positioned below the second bracket (4), a second vertical bearing (45) is arranged on the upper surface of the base (2), an inclined roller (46) is arranged on the inner ring of the second vertical bearing (45), the axis of the inclined roller (46) is 45 degrees with the conveying direction of the leftover material body (11), roller brackets (47) are respectively arranged at the upper end and the lower end of the first bracket (3), a second guide roller (48) is arranged at one end of each roller bracket (47), and the leftover material body (11) sequentially bypasses the first guide roller (44), the inclined roller (46) and the second guide roller (48).

6. The back guide conveyor for plastic product production according to claim 5, wherein the buffer part (13) comprises a swinging rod (49) arranged at the upper end of the roller support (47), the swinging rod (49) is hinged with the roller support (47), the swinging rod (49) is arranged on the roller support (47) at the upper end, a tension spring I (50) is arranged between the swinging rod (49) and the roller support (47), a fine roller (51) is arranged at one end of the swinging rod (49), and the leftover material body (11) bypasses the fine roller (51).

7. The back guide conveying device for plastic product production according to claim 6, wherein the rolling part (14) comprises a rolling roller (52), one end of the leftover material body (11) is connected with the rolling roller (52) in a winding way, a pair of vertical side plates (53) are arranged on the upper surface of the base (2), the vertical side plates (53) are arranged on one side of the first bracket (3), a limiting groove (54) is formed in the side surface of each vertical side plate (53), a moving block (55) is arranged in each limiting groove (54), a damping bearing (56) is arranged at the center of each moving block (55), a compression roller (57) is arranged at the inner ring of each damping bearing (56), and a second tension spring (58) is arranged between each moving block (55) and each vertical side plate (53); the U-shaped groove (59) is formed in the upper end of the vertical side plate (53), the winding roller (52) is arranged in the U-shaped groove (59), the cover plate (60) is arranged at the upper end of the U-shaped groove (59), one end of the cover plate (60) is hinged with the vertical side plate (53), and the buckle (61) is arranged at one end of the cover plate (60).

8. The back guide conveying device for plastic product production according to claim 7, wherein the winding part (14) further comprises a bearing five (62) arranged at one end of the press roller (57), a winding groove (63) is arranged on the outer ring of the bearing five (62), a connecting rod (69) is arranged on the upper surface of the base (2), a spring (64) is arranged between the connecting rod (69) and the winding groove (63), and a unidirectional wheel (65) is arranged between the winding groove (63) and the press roller (57); fixed pulleys (66) are respectively arranged on the first bracket (3) and the base (2), a connecting rope (67) is arranged between one end of the supporting rod (22) and the winding groove (63), and the connecting rope (67) sequentially bypasses the fixed pulleys (66) from top to bottom.