Cleaning and maintaining device for vacuum moisture regain smoke box

Abstract

The utility model discloses a cleaning and maintaining device for a vacuum moisture regain smoke box. The cleaning and maintaining device comprises a left conveyor, a cleaning and maintaining box, a right conveyor and a smoke box translation mechanism. The inner wall and the outer wall of the smoke box can be flushed by introducing water flow for cleaning into the inner spraying and discharging pipe and the outer spraying and discharging pipe at the same time, and after flushing is completed, high-pressure air flow for drying is introduced into the inner spraying and discharging pipe and the outer spraying and discharging pipe at the same time to blow-dry the inner wall and the outer wall of the smoke box at the same time. The whole maintenance process can be completed through one-time operation, the working efficiency is high, no manual participation exists in the whole process, and manpower is saved. Besides, a front centering frame and a rear centering frame are movably arranged on the two sides of the middle of the left conveyor, and the distance between the front centering frame and the rear centering frame is synchronously adjusted under rotation of the double-end reverse lead screw, so that the vacuum moisture regain smoke boxes of different specifications can be centered and positioned before translation; therefore, the vacuum moisture regaining smoke box can be smoothly placed between the inner spraying and discharging pipe and the outer spraying and discharging pipe in the cleaning and maintaining box to be cleaned and maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum rehumidification cigarette boxes, and more specifically to a cleaning and maintenance device for a vacuum rehumidification cigarette box. Background Art

[0002] In the silk production process, the vacuum rehumidification process is crucial, which can adjust the moisture content of tobacco leaves and kill insect eggs. The vacuum rehumidification process is mainly divided into three stages: vacuuming, humidification and breaking the air. The block tobacco leaves after the unpacking process are evenly filled in the vacuum rehumidification tobacco box. A certain number of tobacco boxes are transported to the vacuum box, and then the vacuum cigarette box is evacuated. After reaching the set vacuum standard, the humidification water valve at the bottom of the vacuum box is opened to humidify the tobacco leaves. After humidification is completed, vacuum is pumped again. Finally, the humidified tobacco box is transported out, the tobacco leaves in the vacuum rehumidification cigarette box are emptied and new tobacco leaves are placed, and then the above operation process is repeated; when placing new tobacco leaves in the vacuum rehumidification cigarette box, the tobacco leaves originally left in the cigarette box need to be cleaned, and the cigarette box needs to be maintained. These processes are currently completed manually. Patent CN205471425U proposes a vacuum rehumidification cigarette box maintenance device, including a conveying track, a box turner and a controller, the conveying track is installed in a U-shape along the vertical slicer and the vacuum rehumidification machine, the box turner is installed on the conveying track in front of the vertical slicer, the conveying track and the box turner are connected to the controller, and the whole constitutes a vacuum rehumidification cigarette box maintenance device, so that the cigarette box can be laid flat for maintenance at the box turner, which improves the safety of the cigarette box maintenance process, avoids the potential danger caused by the operator climbing, and the cigarette box maintenance is cleaner and easy to operate and maintain; according to analysis, this vacuum rehumidification cigarette box cleaning and maintenance device has the following deficiencies: first, when cleaning and maintaining the cigarette box, this vacuum rehumidification cigarette box cleaning and maintenance device cannot clean and maintain the inner wall and the outer wall of the cigarette box at the same time, resulting in low efficiency; second, when cleaning and maintaining the cigarette box, this vacuum rehumidification cigarette box cleaning and maintenance device cannot automatically clean and maintain vacuum rehumidification cigarette boxes of different specifications, and it is necessary to manually load the cigarette boxes of different specifications. Utility Model Content

[0003] The utility model aims to provide a cleaning and maintenance device for a vacuum rehumidification cigarette box to solve the problems raised in the above background technology.

[0004] According to one aspect of the utility model, a cleaning and maintenance device for a vacuum rehumidification cigarette box is provided, comprising a left conveyor, a cleaning and maintenance box, a right conveyor and a cigarette box translation mechanism, wherein the left conveyor, the cleaning and maintenance box and the right conveyor are arranged end to end in sequence;

[0005] The cigarette box translation mechanism comprises a horizontal guide rail, the horizontal guide rail is connected between the same side of the left conveyor and the right conveyor, and a horizontal slide is embedded on the horizontal guide rail, and the horizontal slide can move along the horizontal guide rail;

[0006] A vertical slide is movably engaged with the top of the horizontal slide seat, a horizontal arm is provided on the top of the vertical slide, a vacuum suction cup is provided on the bottom of the horizontal arm, the vacuum suction cup is used to absorb the vacuum rehumidification cigarette box, and the vacuum rehumidification cigarette box is placed in the cleaning and maintenance box for cleaning through the vertical slide.

[0007] Optionally, according to the cleaning and maintenance device of the vacuum rehumidification cigarette box described in the utility model, a vertical water pipe is provided at the inner bottom of the cleaning and maintenance box, the top of the vertical water pipe is connected to an inner water tray, and internal spray pipes are provided on the top surface and side walls of the inner water tray to clean the inner wall of the vacuum rehumidification cigarette box.

[0008] Optionally, according to the cleaning and maintenance device of the vacuum rehumidification cigarette box described in the utility model, the top of the inner wall of the cleaning and maintenance box is evenly connected to external spray and exhaust pipes, and the inner spray and exhaust pipes are isolated from each other in the horizontal direction to synchronously clean the outer side wall of the vacuum rehumidification cigarette box.

[0009] Optionally, according to the cleaning and maintenance device of the vacuum rehumidification smoke box described in the utility model, a water pump, a high-pressure air pump and a switching valve are fixedly connected to the outer wall of the cleaning and maintenance box, the water pump and the high-pressure air pump are respectively connected to the input port of the switching valve, the output port of the switching valve is connected to the inner tube valve and the outer tube valve through a three-way pipe, the inner tube valve is connected to the inner water pan and the inner spray and exhaust pipe through the vertical water supply pipe, and the outer tube valve is connected to the outer spray and exhaust pipe.

[0010] Optionally, according to the cleaning and maintenance device of the vacuum rehumidification cigarette box of the utility model, the bottom end of the inner cavity of the cleaning and maintenance box is connected to a drain pipe.

[0011] Optionally, according to the cleaning and maintenance device of the vacuum rehumidification cigarette box described in the utility model, a water retaining fence is fixedly connected to the top end of the inner cavity of the cleaning and maintenance box.

[0012] Optionally, according to the cleaning and maintenance device of the vacuum rehumidification cigarette box described in the utility model, a vacuum generator is fixedly connected to the back side of the cleaning and maintenance box, and a vacuum switching valve is fixedly connected to the top of the vacuum generator, and the vacuum switching valve is connected to the vacuum suction cup through a hose.

[0013] Optionally, according to the cleaning and maintenance device of the vacuum rehumidification cigarette box described in the utility model, a translation motor is provided at the left end of the horizontal guide rail, the output shaft of the translation motor is fixedly connected to a driving pulley, the right end of the horizontal guide rail is rotatably connected to a driven pulley, a horizontal synchronous belt is wound around the driving pulley and the driven pulley, and the top end of the horizontal synchronous belt is fixedly connected to the bottom of the horizontal slide to drive the horizontal slide to move through the translation motor.

[0014] Optionally, according to the cleaning and maintenance device of the vacuum rehumidification cigarette box described in the utility model, a vertical motor is also provided on the side wall of the horizontal slide, the output shaft of the vertical motor is fixedly connected to a vertical screw rod, and a transmission nut is provided at one end of the horizontal arm close to the vertical slide, and the vertical screw rod is adapted to be threaded with the transmission nut to drive the vertical slide to rise and fall through the vertical motor.

[0015] Optionally, according to the cleaning and maintenance device of the vacuum rehumidification smoke box described in the utility model, a front centering frame and a rear centering frame are respectively provided on both sides of the middle part of the left conveyor, and a double-headed reverse screw rod is rotatably connected between the bottoms of the front centering frame and the rear centering frame;

[0016] A positioning motor is fixedly connected to the bottom side of the middle part of the left conveyor, and the output shaft of the positioning motor is connected to the middle part of the double-head reverse screw through a transmission chain;

[0017] A guide rod parallel to the double-head reverse screw rod is also provided between the front centering frame and the rear centering frame.

[0018] The beneficial effects of the utility model are as follows:

[0019] 1. The inner and outer walls of the smoke box can be flushed by introducing cleaning water into the inner and outer spray pipes at the same time. After flushing, high-pressure airflow for drying can be introduced into the inner and outer spray pipes at the same time to dry the inner and outer walls of the smoke box at the same time, so that the entire maintenance process can be completed in one operation, with high work efficiency and no manual participation in the whole process, saving manpower;

[0020] 2. A front centering frame and a rear centering frame are movably arranged on both sides of the middle of the left conveyor. The distance between the front centering frame and the rear centering frame is synchronously adjusted under the rotation of the double-head reverse screw. Therefore, vacuum rehumidification smoke boxes of different specifications can be centered before translation, so that the vacuum rehumidification smoke boxes can be smoothly placed between the inner spray and outer spray pipes in the cleaning and maintenance box for cleaning and maintenance.

[0021] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.

[0023] Figure 1 It is a schematic diagram of the left front side of the main structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the left rear side of the main structure of the utility model;

[0025] Figure 3 This is a cross-sectional schematic diagram of the cleaning and maintenance box of the utility model;

[0026] Figure 4 It is a schematic axial cross-sectional view of the left conveyor of the utility model.

[0027] Description of reference numerals:

[0028] 1. Left conveyor; 2. Cleaning and maintenance box; 3. Right conveyor; 4. Cigarette box translation mechanism; 41. Horizontal guide rail; 42. Horizontal slide; 43. Vertical slide; 44. Horizontal arm; 45. Vacuum suction cup; 46. Translation motor; 47. Driving pulley; 48. Driven pulley; 49. Horizontal synchronous belt; 5. Vertical motor; 51. Vertical screw rod; 52. Transmission nut; 6. Vertical water pipe; 7. Inner water tray; 8. Inner spray pipe; 9. Outer spray pipe; 10. Water pump; 11. High-pressure air pump; 12. Switching valve; 13. Inner tube valve; 14. Outer tube valve; 15. Guide rod; 16. Double-head reverse screw rod; 17. Front centering frame; 18. Rear centering frame; 19. Positioning motor; 20. Conveyor chain; 21. Drain pipe; 22. Water retaining fence; 23. Vacuum generator; 24. Vacuum switching valve. DETAILED DESCRIPTION

[0029] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0030] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0031] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0032] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0033] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0034] according to Figures 1 to 4 As shown, the utility model provides a cleaning and maintenance device for a vacuum rehumidification cigarette box, comprising a left conveyor 1, a cleaning and maintenance box 2, a right conveyor 3 and a cigarette box translation mechanism 4, wherein the left conveyor 1, the cleaning and maintenance box 2 and the right conveyor 3 are arranged end to end;

[0035] The cigarette box translation mechanism 4 includes a horizontal guide rail 41, which is connected between the same side of the left conveyor 1 and the right conveyor 3, and a horizontal slide 42 is embedded on the horizontal guide rail 41, and the horizontal slide 42 can move along the horizontal guide rail 41;

[0036] A vertical slide 43 is movably engaged with the top of the horizontal slide 42, a horizontal arm 44 is provided on the top of the vertical slide 43, a vacuum suction cup 45 is provided on the bottom of the horizontal arm 44, and the vacuum suction cup 45 is used to absorb the vacuum rehumidification cigarette box, and the vacuum rehumidification cigarette box is placed in the cleaning and maintenance box 2 for cleaning through the vertical slide 43.

[0037] Furthermore, a vertical water pipe 6 is provided at the inner bottom of the cleaning and maintenance box 2, and the top of the vertical water pipe 6 is connected to an inner water tray 7. Internal spray pipes 8 are provided on the top surface and side walls of the inner water tray 7 to clean the inner wall of the vacuum rehumidification smoke box.

[0038] The top of the inner wall of the cleaning and maintenance box 2 is evenly connected with an external spray and exhaust pipe 9, and the inner spray and exhaust pipe 8 and the external spray and exhaust pipe 9 are isolated from each other in the horizontal direction to synchronously clean the outer wall of the vacuum rehumidification smoke box.

[0039] In this embodiment, the vacuum rehumidification cigarette box to be cleaned and maintained is placed upside down at the left end of the left conveyor 1, and the cigarette box is conveyed to the right end by the left conveyor 1. Then, the cigarette box is positioned and grabbed by the cigarette box translation mechanism 4. The cigarette box translation mechanism 4 sequentially places the cigarette boxes into the cleaning and maintenance box 2 for cleaning and maintenance, and then transfers the cigarette boxes to the right conveyor 3 after completion. In the cleaning and maintenance box 2, the inverted vacuum rehumidification cigarette box gradually descends from the top of the cleaning and maintenance box 2 to the bottom of its inner cavity. During this process, a cleaning water flow is first introduced into the inner spray pipe 8 and the outer spray pipe 9, and the water flow flushes the inner and outer walls of the cigarette box. After flushing, a high-pressure air flow for drying is introduced into the inner spray pipe 8 and the outer spray pipe 9 to dry the inner and outer walls of the cigarette box at the same time, thereby realizing a one-time operation to complete the entire maintenance process, with high work efficiency and no manual participation throughout the process, saving manpower.

[0040] Furthermore, a water pump 10, a high-pressure air pump 11 and a switching valve 12 are fixedly connected to the outer wall of the cleaning and maintenance box 2. The water pump 10 and the high-pressure air pump 11 are respectively connected to the input port of the switching valve 12. The output port of the switching valve 12 is connected to the inner tube valve 13 and the outer tube valve 14 through a three-way pipe. The inner tube valve 13 is connected to the inner water tray 7 and the inner spray pipe 8 through the vertical water supply pipe 6, and the outer tube valve 14 is connected to the outer spray pipe 9.

[0041] As described above, when the smoke box is cleaned, the switching valve 12 is connected to the water pump 10, and the water flows through the switching valve 12 into the inner tube valve 13 and the outer tube valve 14, and then simultaneously enters the inner spray and exhaust pipe 8 and the outer spray and exhaust pipe 9 to clean the inner and outer walls of the smoke box; when the smoke box is dried after cleaning, the switching valve 12 is connected to the high-pressure air pump 11, and at this time the high-pressure airflow passes through the switching valve 12 into the inner tube valve 13 and the outer tube valve 14, and then simultaneously enters the inner spray and exhaust pipe 8 and the outer spray and exhaust pipe 9 to blow dry the inner and outer walls of the smoke box.

[0042] Furthermore, the bottom end of the inner cavity of the cleaning and maintenance box 2 is connected to a drain pipe 21, and the drain pipe 21 is used to discharge sewage used for cleaning the cigarette box.

[0043] Furthermore, a water retaining fence 22 is fixedly connected to the top end of the inner cavity of the cleaning and maintenance box 2. The water retaining fence 22 is used to block the water mist splashed when the inner spraying and exhausting pipe 8 and the outer spraying and exhausting pipe 9 spray water, and the water retaining fence 22 is also used to block the cigarette box with cleaning and maintenance on the left conveyor 1.

[0044] Furthermore, a vacuum generator 23 is fixedly connected to the back side of the cleaning and maintenance box 2 , and a vacuum switching valve 24 is fixedly connected to the top of the vacuum generator 23 . The vacuum switching valve 24 is connected to the vacuum suction cup 45 through a hose.

[0045] The vacuum generator 23 is used to generate a negative pressure vacuum to suck the cigarette box. When the vacuum suction cup 45 needs to suck the bottom surface of the cigarette box, the vacuum switching valve 24 connects the vacuum generator 23 and the vacuum suction cup 45. At this time, the bottom surface of the cigarette box can be sucked. When the cleaning and maintenance are completed, the cigarette box translation mechanism 4 transfers the cigarette box to the top surface of the right conveyor 3. The vacuum switching valve 24 disconnects the air path between the vacuum generator 23 and the vacuum suction cup 45 and connects to the outside air. At this time, the cigarette box falls into the top surface of the right conveyor 3 and is then conveyed out by it.

[0046] Furthermore, a translation motor 46 is provided at the left end of the horizontal guide rail 41, and the output shaft of the translation motor 46 is fixedly connected to a driving pulley 47, and the right end of the horizontal guide rail 41 is rotatably connected to a driven pulley 48, and a horizontal synchronous belt 49 is wound around the driving pulley 47 and the driven pulley 48, and the top end of the horizontal synchronous belt 49 is fixedly connected to the bottom of the horizontal slide 42 to drive the horizontal slide 42 to move through the translation motor 46.

[0047] As described above, when the cigarette box needs to be horizontally displaced, the translation motor 46 drives the horizontal synchronous belt 49 through the active pulley 47, and the horizontal synchronous belt 49 drives the horizontal slide 42 connected thereto to move back and forth between the left conveyor 1 and the right conveyor 3 along the horizontal guide rail 41.

[0048] Furthermore, a vertical motor 5 is provided on the side wall of the horizontal slide 42, and the output shaft of the vertical motor 5 is fixedly connected to a vertical screw rod 51. A transmission nut 52 is provided at one end of the horizontal arm 44 close to the vertical slide 43. The vertical screw rod 51 is adapted to be threaded with the transmission nut 52 to drive the vertical slide 43 to rise and fall through the vertical motor 5.

[0049] As described above, when the cigarette box needs to be displaced vertically, the vertical motor 5 drives the vertical slide 43 and the horizontal arm 44 to move up and down through the vertical screw rod 51 and the transmission nut 52, and then the cigarette box is sucked and moved up and down through the vacuum suction cup 45.

[0050] Furthermore, a front centering frame 17 and a rear centering frame 18 are respectively provided on both sides of the middle of the left conveyor 1, and a double-headed reverse screw rod 16 is rotatably connected between the bottoms of the front centering frame 17 and the rear centering frame 18.

[0051] A positioning motor 19 is fixedly connected to the bottom side of the middle part of the left conveyor 1, and the output shaft of the positioning motor 19 is connected to the middle part of the double-headed reverse screw 16 through a transmission chain 20. A guide rod 15 parallel to the double-headed reverse screw 16 is also provided between the front centering frame 17 and the rear centering frame 18.

[0052] As mentioned above, because the specifications and sizes of vacuum rehumidification cigarette boxes may be different, the vacuum rehumidification cigarette boxes of different specifications need to be centered before being translated so that they can be smoothly placed between the inner spray and exhaust pipe 8 and the outer spray and exhaust pipe 9 in the cleaning and maintenance box 2; the positioning of the forward direction of the cigarette box can be completed by the outer wall of the cleaning and maintenance box 2, and the positioning of the two side walls of the cigarette box requires special equipment. At this time, the positioning motor 19 can be rotated forward, and the positioning motor 19 drives the front centering frame 17 and the rear centering frame 18 to move away from each other through the transmission chain 20 and the double-headed reverse screw 16. When the cigarette box enters between the front centering frame 17 and the rear centering frame 18, the positioning motor 19 is reversed to drive the front centering frame 17 and the rear centering frame 18 to approach each other and clamp the two sides of the cigarette box for positioning, and then the positioning motor 19 is rotated forward to release the cigarette box, and then the cigarette box can be sucked and grasped by the vacuum suction cup 45.

[0053] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A cleaning and maintenance device for a vacuum rehumidification smoke box, characterized in that: It includes a left conveyor, a cleaning and maintenance box, a right conveyor and a cigarette box translation mechanism, wherein the left conveyor, the cleaning and maintenance box and the right conveyor are arranged end to end; The cigarette box translation mechanism comprises a horizontal guide rail, the horizontal guide rail is connected between the same side of the left conveyor and the right conveyor, and a horizontal slide is embedded on the horizontal guide rail, and the horizontal slide can move along the horizontal guide rail; A vertical slide is movably engaged with the top of the horizontal slide seat, a horizontal arm is provided on the top of the vertical slide, a vacuum suction cup is provided on the bottom of the horizontal arm, the vacuum suction cup is used to absorb the vacuum rehumidification cigarette box, and the vacuum rehumidification cigarette box is placed in the cleaning and maintenance box for cleaning through the vertical slide.

2. The cleaning and maintenance device for the vacuum rehumidification smoke box according to claim 1 is characterized in that: A vertical water pipe is provided at the inner bottom of the cleaning and maintenance box, the top of which is connected to an inner water tray, and inner spray pipes are provided on the top surface and side walls of the inner water tray to clean the inner wall of the vacuum rehumidification smoke box.

3. The cleaning and maintenance device for the vacuum rehumidification smoke box according to claim 2 is characterized in that: The top of the inner wall of the cleaning and maintenance box is evenly connected with external spray and exhaust pipes, and the inner spray and exhaust pipes are isolated from each other in the horizontal direction to synchronously clean the outer side wall of the vacuum rehumidification smoke box.

4. The cleaning and maintenance device for the vacuum rehumidification smoke box according to claim 3 is characterized in that: A water pump, a high-pressure air pump and a switching valve are fixedly connected to the outer wall of the cleaning and maintenance box. The water pump and the high-pressure air pump are respectively connected to the input port of the switching valve. The output port of the switching valve is connected to the inner tube valve and the outer tube valve through a three-way pipe. The inner tube valve is connected to the inner water tray and the inner spray and discharge pipe through the vertical water delivery pipe, and the outer tube valve is connected to the outer spray and discharge pipe.

5. The cleaning and maintenance device for the vacuum rehumidification smoke box according to claim 4 is characterized in that: The bottom end of the inner cavity of the cleaning and maintenance box is connected with a drainage pipe.

6. The cleaning and maintenance device for the vacuum rehumidification smoke box according to claim 5, characterized in that: The top opening end of the inner cavity of the cleaning and maintenance box is fixedly connected with a water retaining fence.

7. The cleaning and maintenance device for the vacuum rehumidification smoke box according to any one of claims 1 to 6, characterized in that: A vacuum generator is fixedly connected to the back side of the cleaning and maintenance box, and a vacuum switching valve is fixedly connected to the top of the vacuum generator. The vacuum switching valve is connected to the vacuum suction cup through a hose.

8. The cleaning and maintenance device for a vacuum rehumidification smoke box according to any one of claims 1 to 6, characterized in that: A translation motor is provided at the left end of the horizontal guide rail, and the output shaft of the translation motor is fixedly connected to a driving pulley, and the right end of the horizontal guide rail is rotatably connected to a driven pulley, and a horizontal synchronous belt is wound around the driving pulley and the driven pulley, and the top end of the horizontal synchronous belt is fixedly connected to the bottom of the horizontal slide to drive the horizontal slide to move through the translation motor.

9. The cleaning and maintenance device for the vacuum rehumidification smoke box according to claim 8, characterized in that: A vertical motor is also provided on the side wall of the horizontal slide, and the output shaft of the vertical motor is fixedly connected to a vertical screw rod. A transmission nut is provided at one end of the horizontal arm close to the vertical slide, and the vertical screw rod is adapted to be screwed with the transmission nut to drive the vertical slide to rise and fall through the vertical motor.

10. The cleaning and maintenance device for a vacuum rehumidification smoke box according to any one of claims 1 to 6, characterized in that: A front centering frame and a rear centering frame are respectively provided on both sides of the middle part of the left conveyor, and a double-headed reverse screw rod is rotatably connected between the bottoms of the front centering frame and the rear centering frame; A positioning motor is fixedly connected to the bottom side of the middle part of the left conveyor, and the output shaft of the positioning motor is connected to the middle part of the double-head reverse screw through a transmission chain; A guide rod parallel to the double-head reverse screw rod is also provided between the front centering frame and the rear centering frame.

Images