Variable-distance automatic tightening device

Abstract

The utility model provides a variable-pitch automatic tightening device which comprises a mounting plate, an advancing assembly is arranged on the mounting plate, a moving frame is connected to the advancing assembly, a lifting assembly is arranged on the moving frame, a left-right moving assembly is connected to the lifting assembly, an overturning assembly is connected to the left-right moving assembly, and the left-right moving assembly is connected to the overturning assembly. A support is connected to the overturning assembly, proximity switches are symmetrically arranged on the outer wall of the support, and opposite assemblies are arranged on the support. Compared with the prior art, the device has the advantages that by means of the record of the device, the tightening mechanism can automatically move to the tightening position, the device can be compatible with tightening of various axle housing parts, the device can also work on the side faces of the parts, automatic pitch changing during tightening of the axle housing parts is finally achieved, precise positioning during tightening of the axle housing parts is achieved, and the production efficiency is improved. The device can automatically move to the position needing to be tightened, and can be compatible with tightening of various axle housing parts.

Description

Technical Field

[0001] The utility model relates to a variable-distance automatic tightening device, belonging to the technical field of mechanical tightening. Background Art

[0002] With the continuous development of science and technology, it is an inevitable trend for automated equipment to replace traditional manual operations. Automated equipment with simple structure and superior functions has greatly improved production efficiency. However, in the processing and production of bridge shell parts, the tightening of workpieces such as brackets has always been a problem. Traditional tightening devices require people to align the tightening devices, which is time-consuming and labor-intensive, and the accuracy is difficult to guarantee, especially for tightening workpieces with variable distances, which requires a lot of manpower.

[0003] The traditional method is to manually aim the tightening gun at the position. When encountering a part with a variable distance, the distance must be manually changed to the specified position. This method consumes a lot of manpower, takes a long time, and is not easy to operate. Therefore, the present application proposes an intelligent variable distance automatic tightening device. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a variable-distance automatic tightening device.

[0005] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0006] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other, and said linking rod has a round shank to contact with said linking rod. said linking rod has a round shank to contact with said linking rod.

[0007] Furthermore, a traction rod passing through the threaded block is fixedly provided on the inner side of the bracket, and the forward assembly includes a driving motor fixed on the mounting plate, a threaded rod is provided at the output end of the driving motor, a threaded plate is threadedly sleeved on the threaded rod, a transverse plate is fixed on the movable frame, and the threaded plate is fixed on the top of the transverse plate.

[0008] Furthermore, the other end of the threaded rod 1 is sleeved with a bearing 2, the bearing 2 is on a bearing plate 2, the bearing plate 2 is fixed to the mounting plate, and a traction rod 2 passing through the threaded plate 1 is fixed between the bearing plate 2 and the outer casing of the drive motor 1.

[0009] Furthermore, the lifting assembly includes a second driving motor fixed on the mobile frame, a second threaded rod is provided at the output end of the second driving motor, a second threaded plate is threadedly sleeved on the second threaded rod, and a lifting platform is fixed on the second threaded plate.

[0010] Furthermore, a bearing three is sleeved on the bottom end of the second threaded rod, and the bearing three is fixed on the top of the transverse plate. Slide grooves are arranged on both sides of the outer side of the movable frame, and a slider corresponding to the slide groove is fixed on the lifting platform.

[0011] Furthermore, the left and right moving component includes a driving motor three fixed on the lifting platform, a threaded rod three is provided at the output end of the driving motor three, a threaded plate three is threadedly sleeved on the threaded rod two, a traction rod three penetrating the threaded plate three is fixed on the lifting platform, a bearing four is fixed on the lifting platform, and the other end of the threaded rod three is sleeved on the bearing four.

[0012] Furthermore, the flipping assembly includes a driving motor four fixed on the threaded plate three, a fixing plate is fixedly provided on the threaded plate three through a supporting plate, a turntable is provided at the output end of the driving motor four, the turntable contacts the front side of the fixing plate, an eccentric rod is fixedly provided on the turntable, a bearing five is fixedly provided on the front side of the fixing plate, a round rod is provided on the bearing five, the other end of the round rod is fixedly connected to the back side of the bracket, a movable plate is fixedly sleeved on the round rod, a movable groove is provided on the movable plate, and the eccentric rod passes through the movable groove.

[0013] Furthermore, two support rods are fixedly connected to the back of the bracket, an arc groove is opened on the fixing plate, and the support rod passes through the arc groove.

[0014] Beneficial effects of the utility model:

[0015] The moving frame and the components thereon are moved forward together through the forward assembly, so that the tightening gun moves forward to the corresponding processed components.

[0016] The tightening gun is driven down to the position corresponding to the processing part by the lifting component, and the tightening gun can be moved left and right with the left and right moving component, ensuring that the tightening gun can correspond to the processing part that needs to be tightened more accurately.

[0017] The forward and reverse motors drive the rotation of the bidirectional lead screw, thereby driving the two threaded blocks on the bidirectional lead screw to move away from or towards each other, thereby ultimately changing the distance between the tightening guns.

[0018] The designed flip assembly can drive the bracket to flip so that the tightening gun can correspond to the side of the processed part and work on the side of the part, thereby improving its practical effect.

[0019] Fix the device at a suitable position according to the layout. When tightening a workpiece with a variable distance, move the proximity switch to a position where the proximity switch can detect a corresponding signal when the tightening distance is appropriate, and then use the tightening gun to process the processed parts.

[0020] After tightening is completed, the workpiece is removed and the entire device moves back to the initial position to tighten the next workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0022] Figure 1 This is a front view of a variable-distance automatic tightening device of the utility model;

[0023] Figure 2 This is a schematic diagram of the interior of a bracket of a variable-distance automatic tightening device of the utility model;

[0024] Figure 3 It is a schematic diagram of a flip assembly of a variable-distance automatic tightening device of the utility model;

[0025] Figure 4 The utility model is a schematic diagram of a round rod connection of a variable-distance automatic tightening device.

[0026] In the figure: 1. mounting plate; 2. mobile frame; 3. bracket; 4. proximity switch; 5. forward and reverse motor; 6. bidirectional screw rod; 7. threaded block; 8. connecting rod; 9. sliding seat; 10. tightening gun; 11. bearing plate one; 12. traction rod one; 13. threaded rod one; 14. threaded plate one; 15. transverse plate; 16. bearing plate two; 17. drive motor two; 18. threaded rod two; 19. threaded plate two; 20. lifting platform; 21. bearing three; 22. slideway; 23. drive motor three; 24. threaded plate three; 25. traction rod three; 26. bearing four; 27. drive motor four; 28. fixed plate; 29. ​​turntable; 30. eccentric rod; 31. bearing five; 32. round rod; 33. movable plate; 34. movable groove; 35. support rod; 36. arc groove; 37. drive motor one. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0028] See also Figure 1-2 The utility model provides a technical solution: a variable-pitch automatic tightening device, comprising a mounting plate 1, a forward component is provided on the mounting plate 1, a moving frame 2 is connected to the forward component, a lifting component is provided on the moving frame 2, a left-right moving component is connected to the lifting component, a flip component is connected to the flip component, a bracket 3 is connected to the outer wall of the bracket 3, a symmetrically arranged proximity switch 4 is provided, the bracket 3 is provided with a relative component, the relative component comprises a forward and reverse motor 5 fixed to the bracket 3, a bidirectional screw rod 6 is connected to the output end of the forward and reverse motor 5, two threaded blocks 7 are threadedly sleeved on the bidirectional screw rod 6, a sliding seat 9 is connected to the threaded block 7 through a connecting rod 8, a tightening gun 10 extending to the bottom of the bracket 3 is provided on the top of the sliding seat 9, the other end of the bidirectional screw rod 6 is sleeved with a bearing 1, the bearing 1 is fixed on a bearing plate 11, the bearing plate 11 is fixed on the bracket 3, and a matching groove corresponding to the sliding seat 9 is provided on the bracket 3.

[0029] See also Figure 1 A traction rod 12 passing through the threaded block 7 is fixedly provided on the inner side of the bracket 3. The forward assembly includes a driving motor 37 fixed on the mounting plate 1. A threaded rod 13 is provided at the output end of the driving motor 37. A threaded plate 14 is threadedly sleeved on the threaded rod 13. A transverse plate 15 is fixedly provided on the movable frame 2. The threaded plate 14 is fixed to the top of the transverse plate 15. A bearing 2 is sleeved on the other end of the threaded rod 13. The bearing 2 is on a bearing plate 2 16. The bearing plate 2 16 is fixed on the mounting plate 1. A traction rod 2 passing through the threaded plate 14 is fixedly provided between the bearing plate 2 16 and the outer shell of the driving motor 37.

[0030] The driving motor 37 drives the threaded rod 13 to rotate, thereby realizing the movement of the threaded plate 14 on the threaded rod 13. The threaded plate 14, the transverse plate 15, and the mobile frame 2 will eventually move together, moving the mobile frame 2 and the components thereon forward together, so that the tightening gun 10 moves forward to the corresponding processed components.

[0031] See also Figure 1 The lifting assembly includes a driving motor 17 fixed on the moving frame 2, a threaded rod 18 is provided at the output end of the driving motor 17, a threaded plate 19 is threadedly sleeved on the threaded rod 18, a lifting platform 20 is fixedly provided on the threaded plate 19, a bearing 3 21 is sleeved at the bottom end of the threaded rod 18, and the bearing 3 21 is fixed on the top of the transverse plate 15, sliding grooves 22 are provided on both sides of the outer side of the moving frame 2, and a slider corresponding to the sliding groove 22 is fixedly provided on the lifting platform 20.

[0032] The driving motor 2 17 drives the threaded rod 2 18 to rotate, thereby driving the threaded plate 2 19 to move up and down on the threaded rod 2 18, and finally the tightening gun 10 descends to the position corresponding to the processing part, ensuring that the tightening gun 10 accurately corresponds to the processing part that needs to be tightened.

[0033] See also Figure 1-2 The left-right moving assembly includes a driving motor 3 23 fixed on the lifting platform 20, a threaded rod 3 is provided at the output end of the driving motor 3 23, a threaded plate 3 24 is threadedly sleeved on the threaded rod 2, a traction rod 3 25 penetrating the threaded plate 3 24 is fixedly provided on the lifting platform 20, a bearing 4 26 is fixedly provided on the lifting platform 20, and the other end of the threaded rod 3 is sleeved on the bearing 4 26.

[0034] The driving motor three 23 drives the threaded rod three to rotate, thereby driving the threaded plate three 24 to move left and right on the threaded rod three, and finally driving the tightening gun 10 to move left and right, ensuring that the tightening gun 10 can more accurately correspond to the processing part that needs to be tightened.

[0035] See also Figure 3-4 The flip assembly includes a driving motor four 27 fixed on the threaded plate three 24, a fixing plate 28 is fixedly provided on the threaded plate three 24 through a supporting plate, a turntable 29 is provided at the output end of the driving motor four 27, the turntable 29 contacts the front of the fixing plate 28, an eccentric rod 30 is fixedly provided on the turntable 29, a bearing five 31 is fixedly provided on the front of the fixing plate 28, a round rod 32 is provided on the bearing five 31, the other end of the round rod 32 is fixedly connected to the back of the bracket 3, a movable plate 33 is fixedly sleeved on the round rod 32, a movable groove 34 is provided on the movable plate 33, the eccentric rod 30 passes through the movable groove 34, two support rods 35 are fixedly connected to the back of the bracket 3, an arc groove 36 is opened on the fixing plate 28, and the support rod 35 passes through the arc groove 36.

[0036] When the side part is processed, the drive motor 27 is used to drive the turntable 29 to rotate, and finally the eccentric rod 30 is driven to rotate, so as to drive the eccentric rod 30 to rotate in the movable groove 34, so that the movable plate 33 takes the round rod 32 as the rotation center, realizes the tilting swing of the movable plate 33, and the round rod 32 is connected to the bracket 3, so as to realize the flipping of the bracket 3, and finally flip to the side. The arc groove 36 is to limit the flipping angle of the bracket 3 to ensure that the rotation of the bracket 3 just corresponds to the side. During the flipping process, the support rod 35 moves synchronously in the arc groove 36. The design of the support rod 35 and the arc groove 36 ensures the stability of the movement of the bracket 3, and the support rod 35 is in the arc groove 36 to specifically support the bracket 3.

[0037] During specific operation, the advancing assembly moves the moving frame 2 and the components thereon together, so that the tightening gun 10 moves forward to the corresponding processed components.

[0038] The tightening gun 10 is driven down to the position corresponding to the processing part by the lifting assembly, and the tightening gun 10 can be moved left and right in conjunction with the left and right moving assembly, ensuring that the tightening gun 10 can more accurately correspond to the processing part that needs to be tightened.

[0039] The forward and reverse motor 5 drives the bidirectional screw rod 6 to rotate, thereby driving the two threaded blocks 7 on the bidirectional screw rod 6 to move away from or towards each other, thereby finally achieving a change in the distance between the tightening guns 10.

[0040] The designed flip assembly can drive the bracket 3 to flip, so that the tightening gun 10 can correspond to the side of the processed part and work on the side of the part, thereby improving its practical effect.

[0041] The device is fixed at a suitable position according to the layout. When tightening a workpiece with a variable distance, the proximity switch is moved to a position where the proximity switch can detect a corresponding signal when the tightening distance is suitable, and then the tightening gun 10 is used to process the processed part.

[0042] After tightening is completed, the workpiece is removed and the entire device moves back to the initial position to tighten the next workpiece.

[0043] With the help of the records of this application, the tightening mechanism can automatically move to the tightening position, can be compatible with the tightening of various bridge shell parts, and can also work on the side of the component, finally realizing automatic distance change when tightening the bridge shell parts, and realizing precise positioning when tightening the bridge shell parts. It can automatically move to the position where tightening is required, can be compatible with the tightening of various bridge shell parts, can tighten bridge shell parts that need distance change, accurately position when tightening the bridge shell parts, and the tightening device can be automated, saving time and effort.

[0044] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A variable-distance automatic tightening device, characterized in that: The invention comprises a mounting plate (1), wherein a forward component is provided on the mounting plate (1), wherein the forward component is connected to a moving frame (2), wherein a lifting component is provided on the moving frame (2), wherein the lifting component is connected to a left-right moving component, wherein the left-right moving component is connected to a flipping component, wherein the flipping component is connected to a bracket (3), wherein a symmetrically arranged proximity switch (4) is provided on the outer wall of the bracket (3), wherein a relative component is provided on the bracket (3), wherein the relative component comprises a forward and reverse motor (5) fixed on the bracket (3), wherein the forward and reverse motor (5) ) is connected to an output end of a bidirectional screw rod (6), two threaded blocks (7) are threadedly sleeved on the bidirectional screw rod (6), a sliding seat (9) is connected to the threaded block (7) via a connecting rod (8), a tightening gun (10) extending to the bottom of the bracket (3) is provided at the top of the sliding seat (9), a bearing 1 is sleeved on the other end of the bidirectional screw rod (6), the bearing 1 is fixed on a bearing plate 1 (11), the bearing plate 1 (11) is fixed on the bracket (3), and a matching groove corresponding to the sliding seat (9) is provided on the bracket (3).

2. A variable distance automatic tightening device according to claim 1, characterized in that: A traction rod (12) penetrating the threaded block (7) is fixedly provided on the inner side of the bracket (3); the forward assembly comprises a drive motor (37) fixed on the mounting plate (1); a threaded rod (13) is provided at the output end of the drive motor (37); a threaded plate (14) is threadedly sleeved on the threaded rod (13); a transverse plate (15) is fixedly provided on the movable frame (2); and the threaded plate (14) is fixed to the top end of the transverse plate (15).

3. A variable distance automatic tightening device according to claim 2, characterized in that: The other end of the threaded rod 1 (13) is sleeved with a bearing 2, the bearing 2 is on a bearing plate 2 (16), the bearing plate 2 (16) is fixed on the mounting plate (1), and a traction rod 2 passing through the threaded plate 1 (14) is fixed between the bearing plate 2 (16) and the housing of the drive motor 1 (37).

4. A variable-distance automatic tightening device according to claim 3, characterized in that: The lifting assembly comprises a second driving motor (17) fixed on the moving frame (2); a second threaded rod (18) is provided at the output end of the second driving motor (17); a second threaded plate (19) is threadedly sleeved on the second threaded rod (18); and a lifting platform (20) is fixedly provided on the second threaded plate (19).

5. The variable-distance automatic tightening device according to claim 4, characterized in that: The bottom end of the second threaded rod (18) is sleeved with a third bearing (21), and the third bearing (21) is fixed on the top of the transverse plate (15). Slide grooves (22) are arranged on both sides of the outer side of the movable frame (2), and a sliding block corresponding to the slide groove (22) is fixed on the lifting platform (20).

6. The variable-distance automatic tightening device according to claim 5, characterized in that: The left-right moving assembly comprises a driving motor three (23) fixed on the lifting platform (20), a threaded rod three is provided at the output end of the driving motor three (23), a threaded plate three (24) is threadedly sleeved on the threaded rod two, a traction rod three (25) penetrating the threaded plate three (24) is fixedly provided on the lifting platform (20), a bearing four (26) is fixedly provided on the lifting platform (20), and the other end of the threaded rod three is sleeved on the bearing four (26).

7. The variable-distance automatic tightening device according to claim 6, characterized in that: The flip assembly comprises a drive motor four (27) fixed on the threaded plate three (24); a fixed plate (28) is fixedly provided on the threaded plate three (24) via a support plate; a turntable (29) is provided at the output end of the drive motor four (27); the turntable (29) contacts the front surface of the fixed plate (28); an eccentric rod (30) is fixedly provided on the turntable (29); a bearing five (31) is fixedly provided on the front surface of the fixed plate (28); a round rod (32) is provided on the bearing five (31); the other end of the round rod (32) is fixedly connected to the back surface of the bracket (3); a movable plate (33) is fixedly sleeved on the round rod (32); a movable groove (34) is provided on the movable plate (33); and the eccentric rod (30) passes through the movable groove (34).

8. The variable-distance automatic tightening device according to claim 7, characterized in that: The back side of the bracket (3) is fixedly connected to two support rods (35); an arc-shaped groove (36) is provided on the fixing plate (28); and the support rod (35) passes through the arc-shaped groove (36).

Images