Turnover clamp

Abstract

The utility model discloses an overturning clamp which comprises a bottom frame, two supporting frames are arranged on the bottom frame at intervals, and the two supporting frames are directly or indirectly matched with the two sides of a workpiece to be clamped in a rotating mode. At least one supporting frame is provided with a supporting assembly and a power source, the supporting assembly is used for supporting and locking a workpiece to be clamped, the power source is used for driving the supporting assembly to rotate, the at least one supporting frame is installed on the bottom frame in a sliding mode, and the position of the supporting frame can be fixed relative to the position of the bottom frame after the position of the supporting frame is adjusted. The angle adjusting device is suitable for workpieces of different specifications and sizes, has an overturning function, and can adjust the workpieces to required machining angles.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a flip clamp. Background Art

[0002] The automated production line transfers the fixture to different workstations for processing. The fixture can usually only clamp workpieces of fixed sizes and cannot be used for workpieces of other specifications. There are limitations in its use. In addition, considering that large-sized workpieces may need to adjust the processing angle during production and processing, the fixtures currently on the market do not have the above functions, so the fixture structure needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to provide a turning clamp in order to overcome the shortcomings and deficiencies of the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flip clamp, including a bottom frame, two support frames are arranged at intervals on the bottom frame, and the two sides of the workpiece to be clamped directly or indirectly cooperate with the two support frames for rotation, at least one support frame is provided with a support assembly for supporting and locking the workpiece to be clamped and a power source for driving the support assembly to rotate, at least one support frame is slidably installed on the bottom frame and the support frame can be fixed relative to the bottom frame after adjusting its position.

[0005] As a preferred technical solution of the utility model, one of the support frames is configured as a fixed frame, and the other support frame is configured as a movable frame that can move parallel to the fixed frame, and the support assembly and the power source are installed on the fixed frame.

[0006] As a preferred technical solution of the utility model, the support assembly includes a support seat and a pressure plate, one end of the pressure plate is hinged to one end of the support seat and the other end of the pressure plate is configured as a movable end that opens and closes relative to the support seat, a handle is provided on the pressure plate, a connecting piece that can be mounted on the support seat is provided on the workpiece to be clamped, and a locking piece for locking the movable end so that the connecting piece is locked between the support seat and the pressure plate is provided on the support seat.

[0007] As a preferred technical solution of the utility model, the support seat is provided with a mounting opening on the side facing the workpiece to be clamped and a support rod parallel to the support seat and fixed in the mounting opening, and the connecting member includes at least one shaft handle that can be mounted on the support rod.

[0008] As a preferred technical solution of the utility model, the locking part includes a locking pin, a compression spring, a positioning sleeve and an operating part. A through hole is provided on the movable end of the pressure plate, and a positioning hole coaxially arranged with the movable hole is penetrated on the support seat. The positioning sleeve is inserted and fixed in the positioning hole, and a movable hole coaxially arranged with the positioning hole is provided on the positioning sleeve. The locking pin includes a head and a rod. The diameter of the rod is smaller than that of the head, and a compression spring limited in the movable hole is provided on the outer sleeve of the rod. The end of the rod away from the head is fixed on the operating part and the operating part slides axially relative to the positioning sleeve.

[0009] As a preferred technical solution of the utility model, a bearing seat is arranged on the movable frame, and a rotating shaft penetrating through the bearing seat and connected to the supporting assembly is arranged on the output end of the power source.

[0010] As an optimal technical solution of the utility model, a directional cam is arranged on the rotating shaft, a cam bearing that can contact the directional cam is arranged on the movable frame and the cam bearing is located below the directional cam, the cam bearing cooperates with the directional cam to form a cam motion pair, a mounting seat is fixed in the movable frame, a cam seat for installing the cam bearing is arranged in the mounting seat, a movable rod is fixedly connected to the bottom of the cam seat and the movable rod is passed through the mounting seat, a return spring is arranged on the outer sleeve of the movable rod and the two ends of the return spring are respectively abutted against the bottom of the cam seat and the bottom of the mounting seat, and a sensing part located at the lower end of the movable rod is arranged in the movable frame.

[0011] As a preferred technical solution of the utility model, the power source is a reducer, one end of the reducer input shaft is provided with a handwheel for manual control, and the other end of the reducer input shaft is provided with a split coupling that cooperates with the motor to realize electric operation.

[0012] As a preferred technical solution of the utility model, the bottom frame is provided with a linear guide rail along the length direction, and the bottom of the movable frame is provided with a sliding block that slidably cooperates with the linear guide rail.

[0013] As a preferred technical solution of the utility model, the movable frame is provided with a socket and a bearing group arranged in the socket, the socket is provided with a V-shaped opening, and a shaft handle that can be placed in the V-shaped opening is provided on the side of the workpiece to be clamped facing the socket, and the shaft handle is rotatably matched with the outer ring of the bearing group.

[0014] To sum up, the beneficial effects of the utility model are: adjusting one of the support frames to a suitable position to match the size of the current workpiece, locking the workpiece on the fixture, and subsequently adjusting the workpiece processing angle according to needs. The present application can adjust the clamping spacing to adapt to workpieces of different specifications and sizes, and at the same time has a flipping function to meet processing needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the utility model from another perspective;

[0017] Figure 3 It is a structural schematic diagram of the fixing frame in the utility model;

[0018] Figure 4 yes Figure 3 Enlarged view of part A;

[0019] Figure 5 It is a cross-sectional view of the locking member, the support seat and the pressure plate in the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the support seat and the pressure plate in the utility model;

[0021] Figure 7 It is a structural schematic diagram of the directional cam, cam bearing and induction component in the utility model;

[0022] Figure 8 It is a structural schematic diagram of the movable frame in the utility model.

[0023] 1. The support assembly includes the following components: 1. a bottom frame; 2. a support assembly; 3. a power source; 4. a fixed frame; 5. a movable frame; 6. a support seat; 7. a pressure plate; 8. a handle; 9. a locking piece; 10. a mounting opening; 11. a support rod; 12. a shaft handle; 13. a locking pin; 14. a compression spring; 15. a positioning sleeve; 16. an elbow clamp; 17. a connecting frame; 18. an operating piece; 19. a through hole; 20. a positioning hole; 21. a movable hole; 22. a head; 23. a rod; 24. a bearing seat; 25. a rotating shaft; 26. a directional cam; 27. a cam bearing; 28. a mounting seat; 29. ​​a cam seat; 30. a movable rod; 31. a reset spring; 32. a sensing piece; 33. a handwheel; 34. a split coupling; 35. a linear guide rail; 36. a slider; 37. a receiving seat; 38. a bearing assembly; 39. a V-shaped opening. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0025] The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings.

[0026] like Figure 1-8 A flip clamp is shown, comprising a bottom frame 1, two support frames are arranged at intervals along the length direction of the bottom frame 1, and the two sides of the workpiece to be clamped are directly or indirectly rotatably cooperated with the two support frames. At least one support frame is provided with a support assembly 2 for supporting and locking the workpiece to be clamped and a power source 3 for driving the support assembly 2 to rotate. At least one support frame is slidably installed on the bottom frame 1 and the position of the support frame can be fixed relative to the bottom frame 1 after adjusting its position.

[0027] Adjust one of the support frames to the appropriate position to match the size of the current workpiece, lock the workpiece on the fixture, and then adjust the workpiece processing angle as needed. This application can adjust the clamping spacing to adapt to workpieces of different specifications and sizes, and also has a flipping function to meet processing needs.

[0028] One of the support frames is configured as a fixed frame 4, and the other support frame is configured as a movable frame 5 that can move parallel to the fixed frame 4. The support assembly 2 and the power source 3 are installed on the fixed frame 4. In this embodiment, a toggle clamp 16 is provided at the bottom of the movable frame 5. After adjusting the position of the movable frame 5, it can be locked on the bottom frame 1 by the toggle clamp 16. The toggle clamp 16 is a prior art, so it is not explained in detail.

[0029] The support assembly 2 includes a support seat 6 and a pressure plate 7. One end of the pressure plate 7 is hinged to one end of the support seat 6 and the other end of the pressure plate 7 is configured as a movable end that opens and closes relative to the support seat 6. A handle 8 is provided on the pressure plate 7. A connecting piece that can be mounted on the support seat 6 is provided on the workpiece to be clamped. A locking piece 9 for locking the movable end so that the connecting piece is locked between the support seat 6 and the pressure plate 7 is provided on the support seat 6. In this embodiment, the workpiece to be processed can be a box-type workpiece, such as a ring network cabinet air box. Connecting frames 17 can be provided on both sides of the ring network cabinet air box, and shaft handles 12 are installed on the connecting frames 17. In this embodiment, the support assembly 2 is preferably arranged on the fixed frame 4, and the same structure can also be arranged on the movable frame 5.

[0030] The support seat 6 is provided with a mounting opening 10 and a support rod 11 parallel to the support seat 6 and fixed in the mounting opening 10 on the side facing the workpiece to be clamped. The connecting member includes at least one shaft handle 12 that can be mounted on the support rod 11. In this embodiment, two shaft handles 12 that can be mounted on the support rod 11 are preferably provided.

[0031] The locking member 9 includes a locking pin 13, a compression spring 14, a positioning sleeve 15 and an operating member 18. A through hole 19 is provided on the movable end of the pressure plate 7. A positioning hole 20 coaxially arranged with the movable hole 21 is penetrated on the support seat 6. The positioning sleeve 15 is inserted and fixed in the positioning hole 20. The positioning sleeve 15 is provided with a movable hole 21 coaxially arranged with the positioning hole 20. The locking pin 13 includes a head 22 and a rod 23. The diameter of the rod 23 is smaller than that of the head 22 and the compression spring 14 limited in the movable hole 21 is provided on the outer sleeve of the rod 23. The end of the rod 23 away from the head 22 is fixed on the operating member 18 and the operating member 18 slides axially relative to the positioning sleeve 15.

[0032] A bearing seat 24 is disposed on the movable frame 5 , and a rotating shaft 25 penetrating through the bearing seat 24 and connected to the supporting assembly 2 is disposed on the output end of the power source 3 .

[0033] A directional cam 26 is arranged on the rotating shaft 25, a cam bearing 27 which can contact the directional cam 26 is arranged on the movable frame 5, and the cam bearing 27 is located below the directional cam 26, and the cam bearing 27 cooperates with the directional cam 26 to form a cam motion pair, a mounting seat 28 is fixed in the movable frame 5, a cam seat 29 for mounting the cam bearing 27 is arranged in the mounting seat 28, the cam seat 29 moves vertically relative to the mounting seat 28, a movable rod 30 is fixedly connected to the bottom of the cam seat 29, and the movable rod 30 is penetrated by the mounting seat 28, and a return spring 31 is arranged on the outer sleeve of the movable rod 30 The two ends of the return spring 31 are respectively in contact with the bottom of the cam seat 29 and the bottom of the mounting seat 28. A sensing part 32 located at the lower end of the movable rod 30 is provided in the movable frame 5. Since the fixture needs to be transported to different workstations for processing, it is necessary to set an angle detection adjustment to prevent the workpiece from tilting and being unable to enter the AGV cart. When the outermost end of the directional cam 26 touches the cam bearing 27, the movable rod 30 presses down and contacts the sensing part 32. At this time, the workpiece is adjusted to a vertical state, and the fixture can easily enter the AGV cart. The sensing part 32 in this embodiment can be a contact sensor, etc.

[0034] The power source 3 is a reducer, one end of the input shaft of the reducer is provided with a hand wheel 33 for manual control, and the other end of the input shaft of the reducer is provided with a split coupling 34 that cooperates with the motor to realize electric operation.

[0035] The bottom frame 1 is provided with a linear guide rail 35 along the length direction, and the bottom of the movable frame 5 is provided with a slider 36 that slidably cooperates with the linear guide rail 35 .

[0036] The movable frame 5 is provided with a receiving seat 37 and a bearing group 38 arranged in the receiving seat 37. The receiving seat 37 is provided with a V-shaped opening 39. The side of the workpiece to be clamped facing the receiving seat 37 is provided with a shaft handle 12 which can be placed in the V-shaped opening 39. The shaft handle 12 is rotatably matched with the outer ring of the bearing group 38. The above-mentioned

[0037] Working principle: Before processing, open the pressure plate 7 and place the shaft handle 12 of the workpiece on the support rod 11. The shaft handle 12 on the right side is placed in the V-shaped opening 39 of the receiving seat 37. Pull the operating member 18 outward to pull the head 22 of the locking pin 13 backward. Then close the pressure plate 7 and release the operating member 18 to make the head 22 of the locking pin 13 pass through the movable hole 21 and be inserted into the support seat 6. The shaft handle 12 can be locked on the support seat 6. The staff can use the hand wheel 33 to control the reducer or realize automatic control through the motor according to needs, and can adjust the workpiece to the required processing angle.

[0038] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A turning fixture, comprising a bottom frame (1), wherein two support frames are arranged at intervals on the bottom frame (1), characterized in that: The two sides of the workpiece to be clamped are directly or indirectly rotatably matched with the two support frames, at least one of the support frames is provided with a support assembly (2) for supporting and locking the workpiece to be clamped and a power source (3) for driving the support assembly (2) to rotate, and at least one of the support frames is slidably mounted on the bottom frame (1) and the support frame can be fixed relative to the bottom frame (1) after adjusting its position.

2. The flip fixture according to claim 1, characterized in that: One of the support frames is configured as a fixed frame (4), and the other support frame is configured as a movable frame (5) that can move parallel to the fixed frame (4). The support assembly (2) and the power source (3) are installed on the fixed frame (4).

3. The flip fixture according to claim 1 or 2, characterized in that: The support assembly (2) comprises a support seat (6) and a pressure plate (7), one end of the pressure plate (7) is hinged to one end of the support seat (6) and the other end of the pressure plate (7) is configured as a movable end that opens and closes relative to the support seat (6), a handle (8) is provided on the pressure plate (7), a connecting piece that can be mounted on the support seat (6) is provided on the workpiece to be clamped, and a locking piece (9) for locking the movable end so that the connecting piece is locked between the support seat (6) and the pressure plate (7) is provided on the support seat (6).

4. The flip fixture according to claim 3, characterized in that: The support seat (6) is provided with a mounting opening (10) on the side facing the workpiece to be clamped, and a support rod (11) parallel to the support seat (6) and fixed in the mounting opening (10), and the connecting member includes at least one shaft handle (12) which can be mounted on the support rod (11).

5. The flip fixture according to claim 3, characterized in that: The locking member (9) comprises a locking pin (13), a compression spring (14), a positioning sleeve (15) and an operating member (18); a through hole (19) is provided on the movable end of the pressure plate (7); a positioning hole (20) coaxially arranged with the movable hole (21) is provided through the support seat (6); the positioning sleeve (15) is inserted and fixed in the positioning hole (20); the positioning sleeve (15) is provided with a movable hole (21) coaxially arranged with the positioning hole (20); the locking pin (13) comprises a head (22) and a rod (23); the diameter of the rod (23) is smaller than that of the head (22); a compression spring (14) limitedly positioned in the movable hole (21) is provided on the outer sleeve of the rod (23); an end of the rod (23) away from the head (22) is fixed on the operating member (18), and the operating member (18) slides axially relative to the positioning sleeve (15).

6. The flip fixture according to claim 2, characterized in that: A bearing seat (24) is arranged on the movable frame (5), and a rotating shaft (25) is arranged on the output end of the power source (3), the rotating shaft passing through the bearing seat (24) and connected to the supporting assembly (2).

7. The flipping fixture according to claim 6, characterized in that: The rotating shaft (25) is provided with a directional cam (26); the movable frame (5) is provided with a cam bearing (27) that can contact the directional cam (26), and the cam bearing (27) is located below the directional cam (26); the cam bearing (27) cooperates with the directional cam (26) to form a cam motion pair; a mounting seat (28) is fixed inside the movable frame (5); a cam seat (29) for mounting the cam bearing (27) is provided inside the mounting seat (28); a movable rod (30) is fixedly connected to the bottom of the cam seat (29), and the movable rod (30) is inserted into the mounting seat (28); a return spring (31) is provided on the outer sleeve of the movable rod (30), and two ends of the return spring (31) are respectively in contact with the bottom of the cam seat (29) and the bottom of the mounting seat (28); and a sensing element (32) located at the lower end of the movable rod (30) is provided inside the movable frame (5).

8. The flip fixture according to claim 1, characterized in that: The power source (3) is a reducer, one end of the input shaft of the reducer is provided with a hand wheel (33) for manual control, and the other end of the input shaft of the reducer is provided with a split coupling (34) for cooperating with a motor to realize electric operation.

9. The flipping fixture according to claim 2, characterized in that: The bottom frame (1) is provided with a linear guide rail (35) along the length direction, and the bottom of the movable frame (5) is provided with a sliding block (36) which is slidably matched with the linear guide rail (35).

10. The flip fixture according to claim 2, characterized in that: The movable frame (5) is provided with a receiving seat (37) and a bearing group (38) arranged in the receiving seat (37); the receiving seat (37) is provided with a V-shaped opening (39); a shaft handle (12) which can be mounted in the V-shaped opening (39) is provided on the side of the workpiece to be clamped facing the receiving seat (37); the shaft handle (12) is rotatably matched with the outer ring of the bearing group (38).

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