Pinch roll feeding device

Abstract

The utility model aims to provide a pinch roll feeding device which solves the problem that a pinch roll is easy to replace, comprises a box body, a clamping assembly and a driving assembly, the clamping assembly and the driving assembly are both arranged on the box body, and is characterized in that a moving hole is formed in the upper part of the box body; the first rotating plate and the second rotating plate are rotationally arranged in the box body, the first rotating plate is rotationally connected with the first hinge plate, the second rotating plate is rotationally connected with the second hinge plate, and due to the fact that the first clamping wheel is connected with the third gear, and the second clamping wheel is connected with the fourth gear, the first rotating plate and the second rotating plate can rotate; when the first clamping wheel or the second clamping wheel needs to be replaced, the first clamping wheel or the second clamping wheel is directly detached, then a new first clamping wheel or a new second clamping wheel is installed, other accessories do not need to be detached, and therefore the problem that the clamping wheels are easy to replace is solved.

Description

Technical Field

[0001] The utility model relates to the field of steel transportation, in particular to a pinch roll feeding device. Background Art

[0002] In the current steel bar transportation, the size of the transported steel bar is fixed because the clamping distance is fixed, and the pinch wheel and the shaft are fixed together. As the service time increases, friction occurs between the pinch wheel and the steel bar, and the pinch wheel will wear. As a result, the distance between the two pinch wheels cannot be constant, and the clamping of the steel bar is sometimes tight and sometimes loose, and the running route of the steel bar deviates, affecting subsequent production. If you want to replace the pinch wheel, you need to replace multiple accessories together.

[0003] How to conveniently maintain the steel bar transportation is a problem to be solved. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a pinch roll feeding device, which solves the problem that the pinch wheel is easy to replace and maintain.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The utility model provides a pinch roll feeding device, which includes a box body, a clamping assembly and a driving assembly. The clamping assembly and the driving assembly are both arranged on the box body. It is characterized in that,

[0007] A moving hole is arranged in the upper part of the box body;

[0008] The clamping assembly includes a cylinder, a first hinge plate and a second hinge plate. The first hinge plate and the second hinge plate are rotatably arranged on both sides of the driving end of the cylinder, and the cylinder is arranged on the box body;

[0009] The clamping assembly further includes a first rotating plate and a second rotating plate. The first rotating plate and the second rotating plate are rotatably arranged in the box body. The first rotating plate is rotatably connected with the first hinge plate, and the second rotating plate is rotatably connected with the second hinge plate;

[0010] The driving assembly includes a motor, a first gear and a second gear. The motor is arranged on the box body. The first gear is meshed with the second gear, and the driving end of the motor is meshed with the first gear;

[0011] A first rotating rod and a second rotating rod are arranged in the box body. The first rotating plate and the first gear are rotatably arranged on the first rotating rod, and the second gear and the second rotating plate are rotatably arranged on the second rotating rod;

[0012] The driving assembly further includes a third gear and a fourth gear. The third gear is rotatably arranged on the first rotating plate, and the fourth gear is rotatably arranged on the second rotating plate. The third gear and the first hinge plate are respectively located at two ends of the first rotating plate, and the fourth gear and the second hinge plate are respectively located at two ends of the second rotating plate.

[0013] The third gear meshes with the first gear, and the fourth gear meshes with the second gear.

[0014] The driving assembly further includes a first clamping wheel and a second clamping wheel, and a first rotating shaft and a second rotating shaft are rotatably arranged. The first clamping wheel is arranged at the top end of the first rotating shaft, and the second clamping wheel is arranged at the top end of the second rotating shaft. The third gear is arranged on the first rotating shaft, and the fourth gear is arranged on the second rotating shaft. The first rotating shaft and the second rotating shaft extend upward through the moving hole. The first clamping wheel and the second clamping wheel can move relative to each other, and the positions of the first clamping wheel and the second clamping wheel are higher than the box body.

[0015] Optionally, a connecting plate is arranged at the driving end of the cylinder, and the first hinge plate and the second hinge plate are respectively arranged on both sides of the connecting plate.

[0016] Further, a first connecting rod is arranged on the first hinge plate, and a second connecting rod is arranged on the second hinge plate. The first rotating plate is rotatably arranged on the first connecting rod, and the second rotating plate is rotatably arranged on the second connecting rod.

[0017] Further, a first bearing is sleeved on the first rotating rod, and a second bearing is sleeved on the second rotating rod. The first rotating plate is rotatably sleeved on the first rotating rod, the second rotating plate is sleeved on the second rotating rod, the first gear is sleeved on the first bearing, and the second gear is sleeved on the second bearing.

[0018] Further, the first shaft is rotatably arranged on the first rotating plate, and the second rotating shaft is rotatably arranged on the second rotating plate. The third gear and the first clamping wheel are arranged on the first shaft, and the fourth gear and the second clamping wheel are arranged on the second rotating shaft.

[0019] Further, the included angle between the connection line of the first connecting rod and the first rotating rod and the connection line of the first shaft and the first rotating rod is an obtuse angle, and the included angle between the connection line of the second connecting rod and the second rotating rod and the connection line of the second rotating shaft and the second rotating shaft is formed.

[0020] Further, a first key strip is provided on the first rotating shaft, a second key strip is provided on the second rotating shaft, a first key groove is provided on the first clamping wheel, a second key groove is provided on the second clamping wheel, the first key strip is located in the first key groove, and the second key strip is located in the second key groove.

[0021] Further, a first positioning groove is provided on the first clamping wheel, a first pressing strip is provided at the top of the first rotating shaft, the first pressing strip is located in the first positioning groove, a second pressing strip is provided at the top of the second rotating shaft, a second positioning groove is provided on the second clamping wheel, and the second pressing strip is located in the second positioning groove.

[0022] Optionally, a first groove is provided on the outer periphery of the first clamping wheel, a second groove is provided on the outer periphery of the second clamping wheel, and the first groove and the second groove jointly clamp the bar.

[0023] Optionally, a guiding frame is provided on the box body, and the guiding frame is located in the feeding direction of the first clamping wheel and the second clamping wheel.

[0024] Due to the application of the above technical solution, the present utility model has the following advantages compared with the prior art:

[0025] In a pinch roller feeding device of the present utility model, since the first clamping wheel is connected to the third gear and the second clamping wheel is connected to the fourth gear, when the first clamping wheel or the second clamping wheel needs to be replaced, the first clamping wheel or the second clamping wheel is directly disassembled, and then a new first clamping wheel or second clamping wheel is replaced, without removing the remaining accessories, thus solving the problem that the clamping wheel is easy to replace and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Some specific embodiments of the present utility model will be described in detail hereinafter with reference to the accompanying drawings in an exemplary and non-limiting manner. The same reference numerals in the drawings denote the same or similar components or parts. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0027] Figure 1 is a perspective view of a pinch roller feeding device according to a preferred embodiment of the present utility model;

[0028] Figure 2 is Figure 1 a top view of the interior of the box shown;

[0029] Figure 3 is an enlarged view of the first clamping wheel and the second clamping wheel.

[0030] Among them, the reference numerals are explained as follows:

[0031] 1. Box body; 2. Clamping assembly; 3. Driving assembly; 4. Guide frame; 5. First pressing strip; 6. Second pressing strip; 7. Steel bar; 10. Moving hole; 11. First rotating rod; 12. Second rotating rod; 13. First bearing; 14. Second bearing; 15. First key strip; 16. Second key strip; 17. First key groove; 18. Second key groove; 20. Cylinder; 21. First hinge plate; 22. Second hinge plate; 23. First rotating plate; 24. Second rotating plate; 25. Connecting plate; 30. Motor; 31. First gear; 32. Second gear; 33. Third gear; 34. Fourth gear; 35. First clamping wheel; 36. Second clamping wheel; 37. First rotating shaft; 38. Second rotating shaft; 211. First connecting rod; 221. Second connecting rod; 350. First positioning groove; 351. First groove; 360. Second positioning groove; 361. Second groove. Detailed implementation manner

[0032] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0033] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0034] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0035] As Figure 1 and Figure 2 and Figure 3 shown, it includes a box body 1, a clamping assembly 2 and a driving assembly 3. The clamping assembly 2 and the driving assembly 3 are both arranged on the box body 1. A moving hole 10 is provided in the upper part of the box body 1, and the moving hole 10 is a rectangular hole or a waist-shaped hole.

[0036] The clamping assembly 2 includes a cylinder 20, a first hinge plate 21 and a second hinge plate 22. The first hinge plate 21 and the second hinge plate 22 are rotatably arranged on both sides of the driving end of the cylinder 20. The cylinder 20 drives the first hinge plate 21 and the second hinge plate 22 to move and be able to rotate. The cylinder 20 is arranged on the box body 1, the main body of the cylinder 20 is located on the outer wall of the box body 1, and the driving end of the cylinder 20 passes through the outer wall of the box body 1 inward.

[0037] The clamping assembly 2 further includes a first rotating plate 23 and a second rotating plate 24. The first rotating plate 23 and the second rotating plate 24 are rotatably arranged inside the box body 1. The first rotating plate 23 is rotatably connected to the first hinge plate 21. Both ends of the first hinge plate 21 are respectively connected to the first rotating plate 23 and the driving end of the cylinder 20. The second rotating plate 24 is rotatably connected to the second hinge plate 22. Both ends of the second hinge plate 22 are respectively connected to the second rotating plate 24 and the driving end of the cylinder 20. The cylinder 20 indirectly drives the first rotating plate 23 and the second rotating plate 24 to rotate. The first rotating plate 23 and the second rotating plate 24 are symmetrically arranged.

[0038] The driving assembly 3 includes a motor 30, a first gear 31 and a second gear 32. The motor 30 is arranged on the box body 1. In this example, the motor 30 is arranged on the top of the outer wall of the box body 1. The first gear 31 meshes with the second gear 32. The driving end of the motor 30 meshes with the first gear 31. The motor 30 drives the first gear 31 to rotate, and the first gear 31 drives the second gear 32 to rotate.

[0039] A first rotating rod 11 and a second rotating rod 12 are arranged inside the box body 1. The first rotating plate 23 and the first gear 31 are arranged on the first rotating rod 11. The first rotating plate 23 rotates around the first rotating rod 11 as the center. The second rotating plate 24 and the second gear 32 are arranged on the second rotating rod 12. The second rotating plate 24 rotates around the second rotating rod 12 as the center.

[0040] The driving assembly 3 further includes a third gear 33 and a fourth gear 34, and a first rotating shaft 37 and a second rotating shaft 38 are rotatably arranged. A first clamping wheel 35 is arranged at the top of the first rotating shaft 37. A second clamping wheel 36 is arranged at the top of the second rotating shaft 38. The third gear 33 is arranged on the first rotating shaft 37. The fourth gear 34 is arranged on the second rotating shaft 38. The first rotating shaft 37 and the second rotating shaft 38 extend upward through the moving hole 10. The first clamping wheel 35 and the second clamping wheel 36 can move relative to each other. The positions of the first clamping wheel 35 and the second clamping wheel 36 are higher than the box body 1.

[0041] The first clamping wheel 35 and the second clamping wheel 36 jointly approach and clamp the steel bar 7, and convey the steel bar 7 during the rotation of the first clamping wheel 35 and the second clamping wheel 36. When the first clamping wheel 35 and the second clamping wheel 36 move away from each other, steel bars 7 of different specifications can be replaced.

[0042] The third gear 33 meshes with the first gear 31, and the first gear 31 drives the third gear 33 to rotate. The fourth gear 34 meshes with the second gear 32, and the second gear 32 drives the fourth gear 34 to rotate.

[0043] The first clamping wheel 35 is detachably connected to the third gear 33. The third gear 33 is arranged at the bottom of the first clamping wheel 35. The second clamping wheel 36 is detachably connected to the fourth gear 34. The fourth gear 34 is arranged at the bottom of the second clamping wheel 36. The first clamping wheel 35 and the second clamping wheel 36 are higher than the upper surface of the box body 1.

[0044] When the cylinder 20 indirectly drives the first rotating plate 23 and the second rotating plate 24 to rotate, the third gear 33 and the fourth gear 34 approach or move away from each other. Correspondingly, the first clamping wheel 35 and the second clamping wheel 36 approach or move away from each other. The motor 30 drives the first gear 31 to rotate. The first gear 31 drives the third gear 33 and the second gear 32 to rotate. The second gear 32 drives the fourth gear 34 to rotate. The third gear 33 drives the first clamping wheel 35 to rotate. The fourth gear 34 drives the second clamping wheel 36 to rotate. During conveying, the first clamping wheel 35 and the second clamping wheel 36 approach each other. In this way, the steel bar 7 between the first clamping wheel 35 and the second clamping wheel 36 can be clamped and rotated jointly by the first clamping wheel 35 and the second clamping wheel 36, and the steel bar 7 is conveyed. When conveying is not required, the first clamping wheel 35 and the second clamping wheel 36 move away from each other.

[0045] A connecting plate 25 is arranged at the driving end of the cylinder 20. The first hinge plate 21 and the second hinge plate 22 are respectively arranged on both sides of the connecting plate 25. The first hinge plate 21 and the second hinge plate 22 are both rotatably connected to the connecting plate 25.

[0046] A first connecting rod 211 is arranged on the first hinge plate 21. A second connecting rod 221 is arranged on the second hinge plate 22. The first rotating plate 23 is rotatably arranged on the first connecting rod 211. The second rotating plate 24 is rotatably arranged on the second connecting rod 221.

[0047] A first rotating rod 11 and a second rotating rod 12 are arranged in the box body 1. A first bearing 13 is sleeved on the first rotating rod 11. A second bearing 14 is sleeved on the second rotating rod 12. The first rotating plate 23 is rotatably sleeved on the first rotating rod 11 and rotates around the first rotating rod 11 as the center. The second rotating plate 24 is sleeved on the second rotating rod 12 and rotates around the second rotating rod 12 as the center. The first gear 31 is sleeved on the first bearing 13 and rotates around the first bearing 13. The second gear 32 is sleeved on the second bearing 14 and rotates around the second bearing 14.

[0048] The driving component 3 is also rotatably provided with a first rotating shaft 37 and a second rotating shaft 38. The first rotating shaft 37 is rotatably arranged on the first rotating plate 23, and the second rotating shaft 38 is rotatably arranged on the second rotating plate 24. The third gear 33 and the first clamping wheel 35 are arranged on the first rotating shaft 37, and the third gear 33 drives the first rotating shaft 37 to rotate. The fourth gear 34 and the second clamping wheel 36 are arranged on the second rotating shaft 38, and the fourth gear 34 drives the second rotating shaft 38 to rotate.

[0049] When the first rotating plate 23 and the second rotating plate 24 rotate, the first rotating shaft 37 and the second rotating shaft 38 approach or move away from each other.

[0050] The connecting line between the first connecting rod 211 and the first rotating rod 11 forms an obtuse angle with the connecting line between the first rotating shaft 37 and the first rotating rod 11. The connecting line between the second connecting rod 221 and the second rotating rod 12 forms an obtuse angle with the connecting line between the second rotating shaft 38 and the second rotating shaft 38. That is, the first rotating plate 23 has a first obtuse angle, and the second rotating plate 24 has a second obtuse angle. The openings of the first obtuse angle and the second obtuse angle are opposite, the vertices of the first obtuse angle and the second obtuse angle are opposite and close to each other.

[0051] A first key strip 15 is arranged on the first rotating shaft 37, a second key strip 16 is arranged on the second rotating shaft 38, a first key groove 17 is arranged on the first clamping wheel 35, and a second key groove 18 is arranged on the second clamping wheel 36. The first key strip 15 is clamped in the first key groove 17, and the second key strip 16 is clamped in the second key groove 18, which helps to fix the first clamping wheel 35 and the second clamping wheel 36.

[0052] A first positioning groove 350 is arranged on the first clamping wheel 35, a first pressing strip 5 is arranged at the top end of the first rotating shaft 37, and the first pressing strip 5 is clamped in the first positioning groove 350. The first pressing strip 5 and the top end of the first rotating shaft 37 are fixed by screws. A second pressing strip 6 is arranged at the top end of the second rotating shaft 38, a second positioning groove 360 is arranged on the second clamping wheel 36, and the second pressing strip 6 is clamped in the second positioning groove 360. The second pressing strip 6 and the top end of the second rotating shaft 38 are fixed by screws.

[0053] Further, there are two first positioning grooves 350, and both of the two first positioning grooves 350 are at the upper end of the first clamping wheel 35. The two first positioning grooves 350 are on a straight line, and the first pressing strip 5 is pressed in both of the two first positioning grooves 350 at the same time. There are two second positioning grooves 360, and both of the two second positioning grooves 360 are at the upper end of the second clamping wheel 36. The two second positioning grooves 360 are on a straight line, and the second pressing strip 6 is pressed in both of the two second positioning grooves 360 at the same time.

[0054] A first groove 351 is arranged on the outer periphery of the first clamping wheel 35, a second groove 361 is arranged on the outer periphery of the second clamping wheel 36, and the first groove 351 and the second groove 361 jointly clamp the steel bar 7. The first groove 351 and the second clamping wheel 36 can increase the stress area of the steel bar 7.

[0055] A guide frame 4 is provided on the box body 1. The guide frame 4 is located in the feeding direction of the first pinch wheel 35 and the second pinch wheel 36. That is, for the steel bar 7 that is clamped and rotated by the first pinch wheel 35 and the second pinch wheel 36 and sent out, the steel bar 7 passes through the guide frame 4. The guide frame 4 can support the steel bar 7 and also prevent the steel bar 7 from deviating when it moves.

[0056] The extending direction of the moving hole 10 matches the moving path of the first pinch wheel 35 and the second pinch wheel 36.

[0057] The above embodiments are only for illustrating the technical concept and characteristics of the present invention. The purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and it cannot be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A pinch roller feeding device, comprising a box body (1), a clamping assembly (2) and a driving assembly (3), wherein the clamping assembly (2) and the driving assembly (3) are both arranged on the box body (1), and is characterized in that, a moving hole (10) is arranged in the upper part of the box body (1); the clamping assembly (2) comprises a cylinder (20), a first hinge plate (21) and a second hinge plate (22), the first hinge plate (21) and the second hinge plate (22) are rotatably arranged on both sides of the driving end of the cylinder (20), and the cylinder (20) is arranged on the box body (1); the clamping assembly (2) further comprises a first rotating plate (23) and a second rotating plate (24), the first rotating plate (23) and the second rotating plate (24) are rotatably arranged in the box body (1), the first rotating plate (23) is rotatably connected with the first hinge plate (21), and the second rotating plate (24) is rotatably connected with the second hinge plate (22); the driving assembly (3) comprises a motor (30), a first gear (31) and a second gear (32), the motor (30) is arranged on the box body (1), the first gear (31) is meshed with the second gear (32), and the driving end of the motor (30) is meshed with the first gear (31); a first rotating rod (11) and a second rotating rod (12) are arranged in the box body (1), the first rotating plate (23) and the first gear (31) are rotatably arranged on the first rotating rod (11), and the second gear (32) and the second rotating plate (24) are rotatably arranged on the second rotating rod (12); the driving assembly (3) further comprises a third gear (33) and a fourth gear (34), the third gear (33) is rotatably arranged on the first rotating plate (23), the fourth gear (34) is rotatably arranged on the second rotating plate (24), the third gear (33) and the first hinge plate (21) are respectively located at both ends of the first rotating plate (23), and the fourth gear (34) and the second hinge plate (22) are respectively located at both ends of the second rotating plate (24); the third gear (33) is meshed with the first gear (31), and the fourth gear (34) is meshed with the second gear (32); the driving assembly (3) further comprises a first pinch wheel (35) and a second pinch wheel (36), and a first rotating shaft (37) and a second rotating shaft (38) are rotatably arranged, the first pinch wheel (35) is arranged at the top end of the first rotating shaft (37), the second pinch wheel (36) is arranged at the top end of the second rotating shaft (38), the third gear (33) is arranged on the first rotating shaft (37), the fourth gear (34) is arranged on the second rotating shaft (38), the first rotating shaft (37) and the second rotating shaft (38) extend upward through the moving hole (10), the first pinch wheel (35) and the second pinch wheel (36) can move relatively, and the positions of the first pinch wheel (35) and the second pinch wheel (36) are higher than the box body (1).

2. The pinch roller feeding device according to claim 1, wherein A connecting plate (25) is provided at the driving end of the cylinder (20), and the first hinge plate (21) and the second hinge plate (22) are respectively arranged on both sides of the connecting plate (25).

3. The pinch roll feeding device according to claim 2, wherein A first connecting rod (211) is provided on the first hinge plate (21), a second connecting rod (221) is provided on the second hinge plate (22), a first rotating plate (23) is rotatably arranged on the first connecting rod (211), and a second rotating plate (24) is rotatably arranged on the second connecting rod (221).

4. The pinch roller feeding device according to claim 3, characterized in that, A first bearing (13) is sleeved on the first rotating rod (11), a second bearing (14) is sleeved on the second rotating rod (12), the first rotating plate (23) is rotatably sleeved on the first rotating rod (11), the second rotating plate (24) is sleeved on the second rotating rod (12), the first gear (31) is sleeved on the first bearing (13), and the second gear (32) is sleeved on the second bearing (14).

5. The pinch roller feeding device according to claim 4, wherein A first rotating shaft (37) is rotatably arranged on the first rotating plate (23), a second rotating shaft (38) is rotatably arranged on the second rotating plate (24), a third gear (33) and a first clamping wheel (35) are arranged on the first rotating shaft (37), and a fourth gear (34) and a second clamping wheel (36) are arranged on the second rotating shaft (38).

6. The pinch roller feeding device according to claim 5, wherein, The connecting line between the first connecting rod (211) and the first rotating rod (11) forms an obtuse angle with the connecting line between the first rotating shaft (37) and the first rotating rod (11), and the connecting line between the second connecting rod (221) and the second rotating rod (12) forms an obtuse angle with the connecting line between the second rotating shaft (38) and the second rotating shaft (38).

7. The pinch roller feeding device according to claim 5, wherein A first key strip (15) is provided on the first rotating shaft (37), a second key strip (16) is provided on the second rotating shaft (38), a first key groove (17) is provided on the first clamping wheel (35), a second key groove (18) is provided on the second clamping wheel (36), the first key strip (15) is clamped in the first key groove (17), and the second key strip (16) is clamped in the second key groove (18).

8. The pinch roll feeding device according to claim 5, wherein, A first positioning groove (350) is provided on the first clamping wheel (35), a first pressing strip (5) is provided at the top of the first rotating shaft (37), the first pressing strip (5) is clamped in the first positioning groove (350), a second pressing strip (6) is provided at the top of the second rotating shaft (38), a second positioning groove (360) is provided on the second clamping wheel (36), and the second pressing strip (6) is clamped in the second positioning groove (360).

9. The pinch roller feeding device according to claim 1, characterized in that, A first groove (351) is provided on the outer periphery of the first clamping wheel (35), a second groove (361) is provided on the outer periphery of the second clamping wheel (36), and the first groove (351) and the second groove (361) jointly clamp the steel bar.

10. The pinch roller feeding device according to claim 1, wherein, A guiding frame (4) is provided on the box body (1), and the guiding frame (4) is located in the feeding direction of the first clamping wheel (35) and the second clamping wheel (36).

Images