Workpiece clamping and correcting device

Abstract

The utility model relates to the technical field of clamping jigs for multiple times of printing on the surfaces of tubular parts, in particular to a workpiece clamping and correcting device. Comprising a base, a fine adjustment assembly, a clamping assembly and a camera assembly. The fine adjustment assembly comprises an X-direction correction part and a Y-direction correction part, the clamping assembly comprises a guide rail, a fixed rod, a movable rod and a first driving part, the guide rail is arranged on the X-direction correction part, the fixed rod is arranged on the guide rail, the first driving part is arranged on the guide rail and drives the movable rod to rotate, and the central axis of the fixed rod coincides with the central axis of the movable rod. The camera assembly is arranged on the base and images the external workpiece clamped by the clamping assembly; the camera assembly photographs and feeds back position information of the surface of the workpiece to the external control system, then the X-direction correcting piece and the Y-direction correcting piece finely adjust the clamping assembly in the X direction and the Y direction correspondingly, the first driving piece drives the external workpiece to rotate, the printing portion of the workpiece meets the printing requirement, and the production efficiency and the production quality stability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamping fixture for multiple printing on the surface of tubular workpiece, and particularly relates to a workpiece clamping and correcting device. BACKGROUND

[0002] Printing on the surface of tubular workpiece is a common production process. According to production and use requirements, it is usually necessary to go through twice or more than twice printing to meet the processing requirements. The twice or more than twice printing needs to be accurately aligned with the existing pattern to ensure the production printing quality. The accurate alignment is a key factor in the processing process. The existing production device has the problems of time-consuming and low precision in the alignment process, which leads to low production efficiency and poor production quality stability, and needs to be improved. SUMMARY

[0003] In order to overcome the problem of poor production quality stability in the prior art, the purpose of the utility model is to provide a workpiece clamping and correcting device, which meets the twice or multiple printing requirements and improves the production quality stability and production efficiency.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A workpiece clamping and correcting device comprises a base, a fine adjustment assembly, a clamping assembly and a camera assembly.

[0006] The fine adjustment assembly comprises an X-direction correcting member and a Y-direction correcting member. The Y-direction correcting member is arranged on the base, and the X-direction correcting member is arranged on the Y-direction correcting member.

[0007] The clamping assembly comprises a guide rail, a fixed rod, a movable rod and a first driving member. The guide rail is arranged on the X-direction correcting member. The fixed rod is arranged on the guide rail. The first driving member is arranged on the guide rail and drives the movable rod to rotate. The central axis of the fixed rod coincides with the central axis of the movable rod. The fixed rod and the movable rod are used for clamping external workpieces.

[0008] The camera assembly is arranged on the base and captures images of the external workpieces clamped by the clamping assembly.

[0009] Further, the workpiece clamping and correcting device further comprises a material supporting assembly. The material supporting assembly is arranged on the guide rail and located below the fixed rod.

[0010] Further, the material supporting assembly comprises a wheel body fixing member and a wheel body. The number of the wheel body fixing members is at least two. The wheel body fixing members are slidingly connected to the guide rail. Each of the wheel body fixing members is provided with an even number of wheel bodies. The wheel bodies are used for supporting external workpieces.

[0011] Further, the material supporting assembly further comprises a second driving member and a pushing block, the second driving member is arranged on the guide rail and is used for driving the pushing block to move, the pushing block is in abutment with one of the wheel body fixing members, and the pushing block is arranged away from the other wheel body fixing member.

[0012] Further, the fine adjustment assembly comprises a first plate member, a second plate member, a third plate member and a fourth plate member arranged in sequence from bottom to top.

[0013] The X-direction correction member comprises an X-direction driving member, and the Y-direction correction member comprises a Y-direction driving member.

[0014] The Y-direction driving member is arranged on the first plate member and drives the second plate member to move along the Y direction, and the X-direction driving member is arranged on the third plate member and drives the third plate member to move along the X direction relative to the second plate member.

[0015] Further, the camera assembly comprises an angle adjusting member and a lens, the angle adjusting member is arranged on the base, and the lens is arranged on the angle adjusting member.

[0016] Further, the angle adjusting member is provided with an arc-shaped groove, and the lens is in sliding connection with the arc-shaped groove.

[0017] The camera assembly is arranged on the base, the fine adjustment assembly is arranged on the camera assembly, the material clamping assembly is arranged on the fine adjustment assembly, and the first driving member is arranged on the material clamping assembly. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a local structure split schematic view of the utility model;

[0020] Figure 3 It is a material clamping assembly and material supporting assembly structure schematic view of the utility model;

[0021] Figure 4 It is a material supporting assembly structure schematic view of the utility model;

[0022] Figure 5 It is a fine adjustment assembly split structure schematic view of the utility model;

[0023] Figure 6 It is a camera assembly structure schematic view of the utility model.

[0024] The attached drawings comprise:

[0025] 1 - base 2 - fine adjustment assembly 21 - first plate

[0026] 22 - second plate 23 - third plate 24 - fourth plate

[0027] 25 - X-direction driving member 26 - Y-direction driving member 3 - material clamping assembly

[0028] 31 - guide rail 32 - fixed rod 33 - movable rod

[0029] 34 - first driving member 4 - camera assembly 41 - angle adjustment member

[0030] 411 - arc-shaped groove 42 - lens 5 - material supporting assembly

[0031] 51 - wheel body fixing member 52 - wheel body 53 - second driving member

[0032] 54 - push block 100 - workpiece. DETAILED DESCRIPTION

[0033] For the convenience of understanding of those skilled in the art, the utility model is further explained below in combination with embodiments and drawings, and the content mentioned in the embodiments is not a limitation of the utility model.

[0034] Please refer to Figures 1 to 6 The utility model discloses a workpiece clamping and correcting device which comprises a base 1, a fine adjustment assembly 2, a material clamping assembly 3 and a camera assembly 4.

[0035] The fine adjustment assembly 2 comprises an X-direction correcting member and a Y-direction correcting member, the Y-direction correcting member is arranged on the base 1, and the X-direction correcting member is arranged on the Y-direction correcting member.

[0036] The material clamping assembly 3 comprises a guide rail 31, a fixed rod 32, a movable rod 33 and a first driving member 34, the guide rail 31 is arranged on the X-direction correcting member, the fixed rod 32 is arranged on the guide rail 31, the first driving member 34 is arranged on the guide rail 31 and drives the movable rod 33 to rotate, the central axis of the fixed rod 32 coincides with the central axis of the movable rod 33, and the fixed rod 32 and the movable rod 33 are used for clamping the external workpiece 100.

[0037] The camera assembly 4 is arranged on the base 1 and performs imaging on the external workpiece 100 clamped by the material clamping assembly 3.

[0038] Specifically, in the embodiment, the Y-direction correction member is mounted on the upper surface of the base 1, the X-direction correction member is mounted on the upper surface of the Y-direction correction member, and the guide rail 31, the fixed rod 32 and the first driving member 34 are all mounted on the X-direction correction member. The camera assembly 4 is arranged on the base 1, and the specific working principle is as follows: the workpiece 100 is in a circular tube shape, the circular tube-shaped workpiece enters the second surface printing after the first surface printing, and the two ends of the circular tube-shaped workpiece 100 are clamped and fixed by the fixed rod 32 and the movable rod 33. First, the initial printing position needs to be pre-ordered, the camera assembly 4 takes a photo of the circular tube-shaped workpiece 100, the photo information is fed back to the processing system, according to the position information, the Y-direction correction member is fine-tuned in the Y-direction, so that the printing position of the workpiece meets the requirements in the Y-direction, then the X-direction correction member is fine-tuned in the X-direction, so that the printing position of the workpiece meets the requirements in the X-direction, and finally the first driving member 34 drives the movable rod 33 to rotate, thereby driving the workpiece 100 to rotate, so as to ensure that the printing position of the circular tube-shaped workpiece meets the production requirements.

[0039] By arranging the base 1, the fine-tuning assembly 2, the clamping assembly 3 and the camera assembly 4, the camera assembly 4 takes a photo to feed back the position information of the workpiece surface to the external control system, then the X-direction correction member and the Y-direction correction member fine-tune the clamping assembly 3 in the X-direction and the Y-direction respectively, and the first driving member 34 drives the external workpiece to rotate, so that the printing position of the workpiece meets the printing requirements, thereby improving the production efficiency and the production quality stability.

[0040] The workpiece clamping and correcting device further comprises a material supporting assembly 5 arranged on the guide rail 31 and below the fixed rod 32. The material supporting assembly 5 is arranged to support the external workpiece 100, so as to avoid the pressure generated by the external printing head during the printing process, prevent deformation and improve the controllability of the production quality.

[0041] The material supporting assembly 5 comprises a wheel body fixing member 51 and a wheel body 52. The number of the wheel body fixing members 51 is at least two, and each wheel body fixing member 51 is slidably connected to the guide rail 31. Each wheel body fixing member 51 is provided with an even number of wheel bodies 52. The wheel bodies 52 are used to support the external workpiece 100. Preferably, each wheel body fixing member 51 is provided with two wheel bodies 52, and the distance between the two wheel bodies 52 is adjustable, so as to support workpieces 100 of different specifications. The arrangement of the wheel bodies 52 makes the wheel bodies 52 in line contact with the workpiece 100, thereby reducing the wear on the surface of the workpiece during the lifting process and improving the production quality.

[0042] The material supporting assembly 5 further comprises a second driving member 53 and a pushing block 54, the second driving member 53 is arranged on the guide rail 31 and is used to drive the pushing block 54 to move, the pushing block 54 is in contact with one of the wheel body fixing members 51, and the pushing block 54 is arranged away from the other wheel body fixing member 51, the arrangement of the second driving member 53 and the pushing block 54 facilitates the adjustment of the distance between the two wheel body fixing members 51 and facilitates the support of workpieces 100 with different length specifications.

[0043] The fine adjustment assembly 2 comprises a first plate member 21, a second plate member 22, a third plate member 23 and a fourth plate member 24 arranged in sequence from bottom to top.

[0044] The X-direction correction member comprises an X-direction driving member 25, and the Y-direction correction member comprises a Y-direction driving member 26.

[0045] The Y-direction driving member 26 is arranged on the first plate member 21 and drives the second plate member 22 to move along the Y direction, and the X-direction driving member 25 is arranged on the third plate member 23 and drives the third plate member 23 to move along the X direction relative to the second plate member 22, preferably, the X-direction driving member 25 and the Y-direction driving member 26 are both screw micrometers, the rotation knob of the screw micrometer is rotated to meet the fine adjustment in the X direction and the Y direction, the Y-direction guide rail is arranged on the first plate member 21, so that the movement of the second plate member 22 along the Y direction is more stable, and the X-direction guide rail is arranged on the second plate member 22, so that the movement of the third plate member 23 along the X direction is more stable.

[0046] The camera assembly 4 comprises an angle adjusting member 41 and a lens 42, the angle adjusting member 41 is arranged on the base 1, and the lens 42 is arranged on the angle adjusting member 41, preferably, the angle adjusting member 41 is in the shape of L, the transverse end of the angle adjusting member 41 is connected with the base 1, and the longitudinal end of the angle adjusting member 41 is connected with the lens 42.

[0047] The angle adjusting member 41 is provided with an arc-shaped groove 411, and the lens 42 is in sliding connection with the arc-shaped groove 411, the arrangement of the arc-shaped groove 411 meets the adjustment of the lens 42 at any angle and meets the production requirements.

[0048] The above is only a preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, the specific implementation mode and application range can be changed, and the content of the specification should not be understood as a limitation of the present application.

Claims

1. A workpiece clamping correction device, characterized by: The device comprises a base (1), a fine adjustment assembly (2), a clamping assembly (3) and a camera assembly (4); The fine adjustment assembly (2) comprises an X-direction correction member and a Y-direction correction member, the Y-direction correction member is arranged on the base (1), and the X-direction correction member is arranged on the Y-direction correction member; The clamping assembly (3) comprises a guide rail (31), a fixed rod (32), a movable rod (33) and a first driving member (34), the guide rail (31) is arranged on the X-direction correction member, the fixed rod (32) is arranged on the guide rail (31), the first driving member (34) is arranged on the guide rail (31) and drives the movable rod (33) to rotate, the central axis of the fixed rod (32) coincides with the central axis of the movable rod (33), and the fixed rod (32) and the movable rod (33) are used for clamping an external workpiece (100); The camera assembly (4) is arranged on the base (1) and is used for imaging the external workpiece (100) clamped by the clamping assembly (3).

2. The workpiece clamping calibration apparatus of claim 1, wherein: The workpiece clamping and correcting device further comprises a material supporting assembly (5), and the material supporting assembly (5) is arranged on the guide rail (31) and located below the fixed rod (32).

3. The workpiece clamping calibration apparatus of claim 2, wherein: The material supporting assembly (5) comprises a wheel body fixing member (51) and a wheel body (52), the number of the wheel body fixing members (51) is at least two, the wheel body fixing members (51) are slidably connected to the guide rail (31), each wheel body fixing member (51) is provided with an even number of wheel bodies (52), and the wheel bodies (52) are used for supporting the external workpiece (100).

4. The workpiece clamping calibration apparatus of claim 3, wherein: The material supporting assembly (5) further comprises a second driving member (53) and a push block (54), the second driving member (53) is arranged on the guide rail (31) and used for driving the push block (54) to move, the push block (54) abuts against one of the wheel body fixing members (51), and the push block (54) is arranged away from the other wheel body fixing member (51).

5. The workpiece clamping calibration apparatus of claim 1, wherein: The fine adjustment assembly (2) comprises a first plate member (21), a second plate member (22), a third plate member (23) and a fourth plate member (24) arranged in sequence from bottom to top; The X-direction correction member comprises an X-direction driving member (25), and the Y-direction correction member comprises a Y-direction driving member (26); The Y-direction driving member (26) is arranged on the first plate member (21) and drives the second plate member (22) to move along the Y-direction, and the X-direction driving member (25) is arranged on the third plate member (23) and drives the third plate member (23) to move along the X-direction relative to the second plate member (22).

6. The workpiece clamping calibration apparatus of claim 1, wherein: The camera assembly (4) comprises an angle adjusting member (41) and a lens (42), the angle adjusting member (41) is arranged on the base (1), and the lens (42) is arranged on the angle adjusting member (41).

7. The workpiece clamping calibration apparatus of claim 6, wherein: The angle adjusting member (41) is provided with an arc-shaped groove (411), and the lens (42) is slidably connected to the arc-shaped groove (411).

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