Small-sized two-roller sheet traction machine

Abstract

The utility model discloses a small-sized two-roller sheet traction machine which comprises a base, a side plate I, a side plate II, a speed reducing motor, a driving gear, a driven gear, an insert bearing with a boss circular seat, a traction roller, a traction compression roller, an insert bearing with a sliding block seat, an air cylinder connecting block, an upper supporting rod, an air cylinder mounting plate and an air cylinder, small sheet extrusion equipment is adopted in a laboratory and is matched with the small two-roller sheet traction machine, sheets passing through the corresponding cooling calenders can be pulled at a constant speed, the sheets are shaped through the cooling calenders at a constant speed, the uniformity of the width and the thickness of the sheets is ensured, the sheets can be conveyed to a fixed-length cutting machine at a constant speed, fixed-length cutting of the fixed-length cutting machine is facilitated, and the production efficiency is improved. And the quality of the sheet for testing the application performance of the high polymer material is ensured.

Description

Technical Field

[0001] The utility model relates to polymer material performance testing equipment, in particular to a small two-roller sheet material pulling machine. Background Art

[0002] In order to test the application performance of polymer materials, small sheet extrusion equipment is used in the laboratory. The polymer material is melted through the extruder and extruded into shape through the sheet extrusion die. The extruded sheet is cooled and shaped by the corresponding cooling calender. The cooled and shaped sheet is then sent to a fixed-length cutting machine, which cuts the sheet into a fixed length to obtain sheet specifications that meet the requirements for testing the application performance of the polymer material.

[0003] In order to keep the width and thickness of the cooled sheet uniform, it is necessary to pull the sheet through the corresponding cooling calender at a constant speed and send the sheet to the fixed-length cutting machine. Summary of the Invention

[0004] Purpose of the utility model: The purpose of the utility model is to provide a small two-roller sheet traction machine, which can be used to traction the sheet at a stable and uniform speed, so that the sheet passes through the cooling calender at a uniform speed for shaping, and can also deliver the sheet to the fixed-length cutting machine at a uniform speed.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A small two-roller sheet material traction machine includes a base, a side plate I, a side plate II, a reduction motor, a driving gear, a driven gear, an outer spherical ball bearing with a circular seat with a boss, a traction roller, a traction pressure roller, an outer spherical ball bearing with a slider seat, a cylinder connecting block, an upper support rod, a cylinder mounting plate and a cylinder;

[0007] The lower part of the side plate I is fixedly connected to the side mounting plate on the left side of the base, a bearing mounting hole I is provided in the middle part of the side plate I, a bearing slide groove I is provided above the bearing mounting hole I, a slide rail boss I and a slide rail boss II are provided on both sides of the bearing slide groove I, the bearing mounting hole I is connected to and installed with an outer spherical ball bearing with a boss circular seat, an outer spherical ball bearing with a slider seat is provided in the bearing slide groove I, the slide rail boss I and the slide rail boss II are respectively connected to the sliding grooves on both sides of the slider seat of the outer spherical ball bearing with the slider seat, and the outer spherical ball bearing with the slider seat can move up and down in the bearing slide groove I;

[0008] The lower part of the side plate II is fixedly connected to the side mounting plate on the right side of the base, a bearing mounting hole II is provided in the middle part of the side plate II, a bearing slide groove II is provided above the bearing mounting hole II, a slide rail boss III and a slide rail boss IV are provided on both sides of the bearing slide groove II, a reduction motor mounting hole is provided below the bearing mounting hole II, the reduction motor is fixedly installed in the reduction motor mounting hole, the bearing mounting hole II is connected to and installed with an outer spherical ball bearing with a boss circular seat, an outer spherical ball bearing with a slider seat is provided in the bearing slide groove II, the slide rail boss III and the slide rail boss IV are respectively connected to the sliding grooves on both sides of the slider seat of the outer spherical ball bearing with the slider seat, and the outer spherical ball bearing with the slider seat can be displaced up and down in the bearing slide groove II;

[0009] The upper ends of the side panels I and II are connected to the two end surfaces of the two upper support rods by screws respectively;

[0010] The two cylinders are fixedly mounted on the top of the side panels I and II respectively through the cylinder mounting plates. The piston shaft heads of the two cylinders are connected to the upper ends of the slider seats of the two outer spherical ball bearings with slider seats through the cylinder connecting blocks. The two outer spherical ball bearings with slider seats are connected to the shaft ends on both sides of the traction roller respectively. The surface of the traction roller is coated with a wear-resistant layer made of polyurethane material.

[0011] Two outer spherical ball bearings with boss circular seats are respectively connected to the shaft ends on both sides of the traction roller, and the right shaft end of the traction roller is installed with a driven gear;

[0012] The output shaft of the reduction motor is connected to the driving gear through a connecting shaft, and the driving gear is meshed with the driven gear.

[0013] Furthermore, the base includes two square tubes, the two ends of the square tubes are respectively connected to the two ends of the side mounting plates on the left and right sides of the base, the cover plate is connected and installed on the upper part of the two square tubes and the two side mounting plates, the side mounting plates have several screw holes, and the front and rear ends of the base are respectively connected to two mounting seats.

[0014] Furthermore, the side panel 1 is connected to the screw holes of the side mounting plate by screws through the screw holes at the lower portion thereof, thereby fixing the lower portion of the side panel 1 to the side mounting plate on the left side of the base.

[0015] Furthermore, the side panel II is connected to the screw holes of the side mounting plate by screws through the screw holes at the bottom thereof, and the lower part of the side panel II is fixedly connected to the side mounting plate on the right side of the base. The reduction motor mounting hole is connected to the front end face flange of the reduction motor by screws, and the reduction motor is fixedly installed at the reduction motor mounting hole.

[0016] Furthermore, the piston shaft head thread of the cylinder is connected to the upper threaded hole of the cylinder connecting block, and the lower thread of the cylinder connecting block is connected to the upper end of the slider seat with the outer spherical ball bearing of the slider seat through a fastening nut.

[0017] Furthermore, the right shaft end of the traction roller is installed with a driven gear through a keyway and a flat key, and the driven gear is fixed to the right shaft end of the traction roller by a pressure plate I through a screw.

[0018] Furthermore, the output shaft of the reduction motor is connected to the left end of the connecting shaft through a keyway and a flat key, and the driving gear is installed at the right shaft end of the connecting shaft through a keyway and a flat key. The driving gear is fixed to the right shaft end of the connecting shaft by a pressure plate II through screws.

[0019] Beneficial effects: Using small sheet extrusion equipment in the laboratory in conjunction with the small two-roller sheet traction machine can uniformly traction the sheet passing through the corresponding cooling calender, so that the sheet passes through the cooling calender at a uniform speed to be shaped, ensuring the uniformity of the sheet width and thickness, and the sheet can be sent to the fixed-length cutting machine at a uniform speed, which is beneficial to the fixed-length cutting of the fixed-length cutting machine and ensures the quality of the sheet used to test the application performance of polymer materials.

[0020] The small two-roller sheet pulling machine has a simple structure, is easy to operate, has low noise, and improves the quality of sheets used for testing the properties of polymer materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural diagram of a small two-roller sheet traction machine of the present utility model.

[0022] Figure 2 for Figure 1 Center AA view.

[0023] Figure 3 It is the front view of side panel 1.

[0024] Figure 4 for Figure 3 Middle BB view.

[0025] Figure 5 It is a top view of the side panel 1.

[0026] Figure 6 This is the main view of side panel II.

[0027] Figure 7 for Figure 6 Center CC view.

[0028] Figure 8 This is a top view of side panel II.

[0029] Figure 9 This is the main view of the base.

[0030] Figure 10 This is a side view of the base.

[0031] Figure 11 This is a top view of the base.

[0032] In the figure: 1- cylinder; 2- cylinder mounting plate; 3- cylinder connecting block; 4- fastening nut; 5- outer spherical ball bearing with slider seat; 6- side plate I; 7- outer spherical ball bearing with boss circular seat; 8- reduction motor; 9- upper support rod; 10- traction roller; 11- side plate II; 12- driven gear; 13- pressure plate I; 14- driving gear; 15- connecting shaft; 16- pressure plate II; 17- base; 18- traction roller; 19- bearing slideway I; 20- slide rail boss I; 21- slide rail boss II; 22- bearing mounting hole I; 23- bearing slideway II; 24- slide rail boss III; 25- slide rail boss IV; 26- bearing mounting hole II; 27- reduction motor mounting hole; 28- mounting seat; 29- cover plate; 30- Screw hole; 31- square tube; 32- side mounting plate. DETAILED DESCRIPTION

[0033] The present invention will be further explained below in conjunction with the accompanying drawings.

[0034] like Figures 1 to 3 As shown, a small two-roller sheet traction machine of the utility model includes a base 17, a side plate I6, a side plate II11, a reduction motor 8, a driving gear 14, a driven gear 12, an outer spherical ball bearing with a circular seat with a boss 7, a traction roller 10, a traction pressure roller 18, an outer spherical ball bearing with a slider seat 5, a cylinder connecting block 3, an upper support rod 9, a cylinder mounting plate 2 and a cylinder 1.

[0035] like Figures 9 to 11 As shown, the base 17 includes two square tubes 31, and the two ends of the square tubes 31 are respectively connected to the two ends of the side mounting plates 32 on the left and right sides of the base 17. The cover plate 29 is connected and installed on the upper part of the two square tubes 31 and the two side mounting plates 32. The side mounting plates 32 are provided with a plurality of screw holes 30. The front and rear ends of the base 17 are respectively connected to the two mounting seats 28. The small two-roller sheet tractor is fixedly installed between the cooling calender and the fixed-length cutting machine of the small sheet extrusion equipment by screws through the screw holes of the mounting seats 28.

[0036] like Figures 2 to 5As shown, the lower portion of the side panel I6 is fixedly connected to the side mounting plate 32 on the left side of the base 17. Preferably, the side panel I6 is connected to the screw hole 30 of the side mounting plate 32 through the screw hole at the lower portion thereof, thereby fixing the lower portion of the side panel I6 to the side mounting plate 32 on the left side of the base 17. A bearing mounting hole I22 is set in the middle of the side panel I6, and a bearing slide groove I19 is set above the bearing mounting hole I22. Slide rail bosses I20 and slide rail bosses II21 are set on both sides of the bearing slide groove I19. The bearing mounting hole I22 is connected to and installed with a circular outer spherical ball bearing with a boss. An outer spherical ball bearing 5 with a slider seat is set in the bearing slide groove I19. The slide rail boss I20 and the slide rail boss II21 are respectively connected to the sliding grooves on both sides of the slider seat of the outer spherical ball bearing with a slider seat 5. The outer spherical ball bearing 5 with a slider seat can be displaced up and down in the bearing slide groove I19. When the outer spherical ball bearing 5 with a slider seat is displaced up and down in the bearing slide groove I19, the slide rail boss I20 and the slide rail boss II21 can maintain the linear displacement of the outer spherical ball bearing 5 with the slider seat and limit the slider seat of the outer spherical ball bearing 5 with the slider seat.

[0037] like Figure 2 As shown in Figures 6 to 8, the lower portion of the side panel II11 is fixedly connected to the side mounting plate 32 on the right side of the base 17. Preferably, the side panel II11 is connected to the screw holes 30 of the side mounting plate 32 through the screw holes at the lower portion thereof, thereby fixing the lower portion of the side panel II11 to the side mounting plate 32 on the right side of the base 17. A bearing mounting hole II26 is provided in the middle portion of the side panel II11. A bearing slide groove II23 is provided above the bearing mounting hole II26. Slide rail bosses III24 and IV25 are provided on both sides of the bearing slide groove II23. A reduction motor mounting hole 27 is provided below the bearing mounting hole II26. The reduction motor 8 is fixedly mounted in the reduction motor mounting hole 27. Preferably, the reduction motor mounting hole 27 is connected to the front end flange of the reduction motor 8 by screws, thereby fixing the reduction motor 8 at the reduction motor mounting hole 27. The bearing mounting hole II26 is connected to install the outer spherical ball bearing 7 with a circular seat with a boss, and the outer spherical ball bearing 5 with a slider seat is arranged in the bearing slide groove II23. The slide rail boss III24 and the slide rail boss IV25 are respectively connected to the sliding grooves on both sides of the slider seat of the outer spherical ball bearing 5 with a slider seat. The outer spherical ball bearing 5 with a slider seat can be displaced up and down in the bearing slide groove II23. When the outer spherical ball bearing 5 with a slider seat is displaced up and down in the bearing slide groove II23, the slide rail boss III24 and the slide rail boss IV25 can maintain the linear displacement of the outer spherical ball bearing 5 with the slider seat and limit the slider seat of the outer spherical ball bearing 5 with the slider seat.

[0038] like Figure 1 and 2As shown, the upper ends of the side panels I6 and II11 are connected to the two end faces of the two upper support rods 9 by screws respectively, and the base 17 and the two upper support rods 9 fix the side panels I6 and II11 to form a stable frame structure.

[0039] like Figure 1 and 2 As shown, the two cylinders 1 are fixedly mounted on the top of the side plate I6 and the side plate II11 respectively through the cylinder mounting plate 2, and the piston shaft heads of the two cylinders 1 are connected to the upper ends of the slider seats with two outer spherical ball bearings 5 ​​with slider seats through the cylinder connecting blocks 3. Preferably, the piston shaft head threads of the cylinder 1 are connected to the upper threaded holes of the cylinder connecting blocks 3, and the lower threads of the cylinder connecting blocks 3 are connected to the upper ends of the slider seats with outer spherical ball bearings 5 ​​with slider seats through the fastening nuts 4. Two outer spherical ball bearings 5 ​​with slider seats are respectively connected to the two side shaft ends of the traction pressure roller 18, and the traction pressure roller 18 is connected and supported by the outer spherical ball bearings 5 ​​with slider seats. The two outer spherical ball bearings 5 ​​with slider seats bear the radial force of the traction pressure roller 18. The piston shafts of the two cylinders 1 respectively and synchronously drive the two outer spherical ball bearings 5 ​​with slider seats to move up and down in the bearing groove I19 of the side plate I6 and the bearing groove II23 of the side plate II11, driving the traction pressure roller 18 to move up and down. The surface of the traction pressure roller 18 is coated with a wear-resistant layer made of polyurethane material, which can increase the friction between the surface of the traction pressure roller 18 and the sheet.

[0040] Two outer spherical ball bearings 7 with bosses are respectively connected to the two side shaft ends of the traction roller 10. The traction roller 10 is supported and fixed by the outer spherical ball bearings 7 with bosses. The two outer spherical ball bearings 7 with bosses bear the radial force of the traction roller 10. The right shaft end of the traction roller 10 is installed with a driven gear 12. Preferably, the right shaft end of the traction roller 10 is installed with the driven gear 12 through a keyway and a flat key, and the driven gear 12 is fixed to the right shaft end of the traction roller 10 by a pressure plate I13 through screws.

[0041] The output shaft of the reduction motor 8 is connected to the driving gear 14 via a connecting shaft 15. Preferably, the output shaft of the reduction motor 8 is connected to the left end of the connecting shaft 15 via a keyway and a flat key, and the right end of the connecting shaft 15 is connected to the driving gear 14 via a keyway and a flat key. The driving gear 14 is fixed to the right end of the connecting shaft 15 by a pressure plate II16 through screws. The driving gear 14 is meshed and connected with the driven gear 12.

[0042] The working mode of the small two-roller sheet haul-off machine is as follows:

[0043] The piston shafts of the two cylinders 1 synchronously drive the outer spherical ball bearing 5 with a slider seat to move upward in the bearing groove I19 of the side plate I6 and the bearing groove II23 of the side plate II11, driving the traction pressure roller 18 to move upward. A certain gap is formed between the traction pressure roller 18 and the traction roller 10, so that the initially formed sheet passes through the gap between the traction pressure roller 18 and the traction roller 10. The traction pressure roller 18 moves downward under the synchronous downward thrust of the two cylinders 1. The synchronous downward thrust of the two cylinders 1 increases the clamping force of the traction pressure roller 18 and the traction roller 10 on the sheet, and at the same time increases the friction between the surface of the traction pressure roller 18 and the sheet. The output shaft of the reduction motor 8 drives the driving gear 14 to rotate through the connecting shaft 15. The driving gear 14 rotates the driven gear 12 by meshing with the driven gear 12. The driven gear 12 drives the traction roller 10 to rotate. The traction roller 10 drives the traction pressure roller 18 to rotate in the opposite direction through the sheet. The traction pressure roller 18 rotates in the same speed and opposite direction as the traction roller 10 to maintain a uniform linear speed of the traction sheet and ensure the uniformity of the sheet width and thickness.

[0044] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A small two-roller sheet traction machine, characterized by: It includes a base (17), a side plate I (6), a side plate II (11), a reduction motor (8), a driving gear (14), a driven gear (12), an outer spherical ball bearing with a boss circular seat (7), a traction roller (10), a traction pressure roller (18), an outer spherical ball bearing with a slider seat (5), a cylinder connecting block (3), an upper support rod (9), a cylinder mounting plate (2) and a cylinder (1); The lower part of the side plate I (6) is fixedly connected to the side mounting plate (32) on the left side of the base (17), a bearing mounting hole I (22) is provided in the middle part of the side plate I (6), a bearing slide groove I (19) is provided above the bearing mounting hole I (22), a slide rail boss I (20) and a slide rail boss II (21) are provided on both sides of the bearing slide groove I (19), the bearing mounting hole I (22) is connected to the outer spherical ball bearing (7) with a boss circular seat, an outer spherical ball bearing (5) with a slider seat is provided in the bearing slide groove I (19), the slide rail boss I (20) and the slide rail boss II (21) are respectively connected to the sliding grooves on both sides of the slider seat of the outer spherical ball bearing (5) with a slider seat, and the outer spherical ball bearing (5) with a slider seat can be displaced up and down in the bearing slide groove I (19); The lower part of the side plate II (11) is fixedly connected to the side mounting plate (32) on the right side of the base (17), a bearing mounting hole II (26) is provided in the middle part of the side plate II (11), a bearing slide II (23) is provided above the bearing mounting hole II (26), a slide rail boss III (24) and a slide rail boss IV (25) are provided on both sides of the bearing slide II (23), a reduction motor mounting hole (27) is provided below the bearing mounting hole II (26), the reduction motor (8) is fixedly installed in the reduction motor mounting hole (27), the bearing mounting hole II (26) is connected to the outer spherical ball bearing (7) with a boss circular seat, an outer spherical ball bearing (5) with a slider seat is provided in the bearing slide II (23), the slide rail boss III (24) and the slide rail boss IV (25) are respectively connected to the sliding grooves on both sides of the slider seat of the outer spherical ball bearing (5) with a slider seat, and the outer spherical ball bearing (5) with a slider seat can be displaced up and down in the bearing slide II (23); The upper ends of the side panels I (6) and II (11) are connected to the two end faces of the two upper support rods (9) by screws respectively; The two cylinders (1) are fixedly mounted on the top of the side plate I (6) and the side plate II (11) respectively through the cylinder mounting plate (2), and the piston shaft heads of the two cylinders (1) are connected to the upper ends of the slider seats of the two outer spherical ball bearings with slider seats (5) through the cylinder connecting blocks (3), and the two outer spherical ball bearings with slider seats (5) are respectively connected to the two side shaft ends of the traction pressure roller (18), and the surface of the traction pressure roller (18) is coated with a wear-resistant layer made of polyurethane material; Two outer spherical ball bearings (7) with boss circular seats are respectively connected to the shaft ends on both sides of the traction roller (10), and the right shaft end of the traction roller (10) is installed with a driven gear (12); The output shaft of the reduction motor (8) is connected to the driving gear (14) via the connecting shaft (15), and the driving gear (14) is meshed and connected with the driven gear (12).

2. A small two-roller sheet pulling machine according to claim 1, characterized in that: The base (17) includes two square tubes (31), the two ends of the square tubes (31) are respectively connected to the two ends of the side mounting plates (32) on the left and right sides of the base (17), the cover plate (29) is connected and mounted on the upper parts of the two square tubes (31) and the two side mounting plates (32), the side mounting plates (32) are provided with a plurality of screw holes (30), and the front end and the rear end of the base (17) are respectively connected to the two mounting seats (28).

3. A small two-roller sheet pulling machine according to claim 2, characterized in that: The side panel I (6) is connected to the screw hole (30) of the side mounting plate (32) by screws through the screw hole at the lower portion thereof, thereby fixing the lower portion of the side panel I (6) to the side mounting plate (32) on the left side of the base (17).

4. A small two-roller sheet pulling machine according to claim 2, characterized in that: The side plate II (11) is connected to the screw hole (30) of the side mounting plate (32) by screws through the screw hole at the bottom thereof, and the lower part of the side plate II (11) is fixedly connected to the side mounting plate (32) on the right side of the base (17). The reduction motor mounting hole (27) is connected to the front end face flange of the reduction motor (8) by screws, and the reduction motor (8) is fixedly mounted at the reduction motor mounting hole (27).

5. The small two-roller sheet pulling machine according to claim 1, characterized in that: The piston shaft head thread of the cylinder (1) is connected to the upper threaded hole of the cylinder connecting block (3), and the lower thread of the cylinder connecting block (3) is connected to the upper end of the slider seat with the outer spherical ball bearing (5) of the slider seat through a fastening nut (4).

6. The small two-roller sheet pulling machine according to claim 1, characterized in that: The right shaft end of the traction roller (10) is mounted with a driven gear (12) via a keyway and a flat key, and the driven gear (12) is fixed to the right shaft end of the traction roller (10) via a pressure plate I (13) via screws.

7. The small two-roller sheet pulling machine according to claim 1, characterized in that: The output shaft of the reduction motor (8) is connected to the left end of the connecting shaft (15) through a keyway and a flat key, and the driving gear (14) is installed at the right end of the connecting shaft (15) through a keyway and a flat key. The driving gear (14) is fixed to the right end of the connecting shaft (15) by a pressure plate II (16) through screws.

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