Cylindrical workpiece clamping and rotating device

Abstract

The utility model relates to the technical field of workpiece clamping equipment, in particular to a cylindrical workpiece clamping and rotating device which comprises a workbench, two supporting frames, a workpiece and a supporting assembly, the end, close to a rotating plate, of a rotating shaft penetrates through a fixing plate and is fixedly provided with a square plate, and the corner angles of the square plate are rotationally connected with connecting rods; the other end of the connecting rod is rotationally connected with a sliding block, and the other end of each sliding groove is fixedly provided with a clamping plate. The clamping assembly is arranged, the telescopic end of a first electric telescopic rod drives a rack to move, the rack is in meshed connection with a gear, and therefore a rotating shaft can be driven to drive a square plate at one end to rotate, and the square plate, a connecting rod and a sliding block are matched with one another, so that the sliding block drives a clamping plate to move towards the center of a fixing plate; and therefore, the workpiece can be fixed, the device is suitable for workpieces of different sizes within a certain range, and the working efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece clamping equipment, in particular to a cylindrical workpiece clamping and rotating device. Background Art

[0002] The automatic clamping and rotating device for cylindrical workpieces is mainly used for the rotating assembly or processing of cylindrical workpieces, as well as other equipment that requires the automatic rotation of cylindrical workpieces.

[0003] At present, the main solution for rotating assembly or processing of cylindrical workpieces is to clamp the cylinder using a rotary chuck. Before processing certain specific cylinders, they need to be accurately positioned by a clamping assembly. Traditional clamps cannot adjust the clamping range and are only suitable for workpieces of a single size. Therefore, multiple clamps need to be replaced when processing workpieces of different sizes, which reduces work efficiency. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the utility model provides a cylindrical workpiece clamping and rotating device, which can effectively solve the problem that workpieces of different sizes cannot be fixed in the prior art, resulting in reduced work efficiency.

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] The utility model provides a cylindrical workpiece clamping and rotating device, comprising a workbench, two support frames, a workpiece, and a support assembly, wherein one of the support frames is fixedly installed on one side of the top of the workbench, and the other support frame is slidably connected to the top of the workbench through an adjusting assembly, and the opposite sides of the two support frames are both limitedly slidably connected with a rotating plate, and the opposite sides of the two rotating plates are both fixedly installed with a fixed plate through a plurality of cross bars, and the opposite sides of the two fixed plates are both provided with a clamping assembly, and the clamping assembly directly acts on the workpiece, and a motor for driving the rotating plate to rotate is fixedly installed on one side of the support frame fixedly connected to the workbench;

[0007] The clamping assembly includes a cavity provided inside a fixed plate, an electric telescopic rod 1 is fixedly installed inside the cavity, and a rack is fixedly installed at the telescopic end of the electric telescopic rod 1, the rack is slidably connected to the cavity, a rotating shaft is rotatably connected at the center of the fixed plate, and a gear is fixedly installed on the outside of the rotating shaft, the rack is meshed with the gear, the rotating shaft passes through the fixed plate and is fixedly installed with a square plate at one end close to the rotating plate, the corners of the square plate are rotatably connected with connecting rods, and the connecting rods are L-shaped, the other end of the connecting rods is rotatably connected with a slider, and the slider is T-shaped, a plurality of sliding grooves are provided inside the fixed plate, the sliders are slidably connected to the sliding grooves one by one, and the other ends of the sliding grooves are fixedly installed with clamps.

[0008] According to the above-mentioned cylindrical workpiece clamping and rotating device, the adjusting component includes a screw rod rotatably connected inside the workbench, and a motor 2 for driving the screw rod to rotate is fixedly installed on the side wall of the workbench. An adjusting groove is opened on the top of the workbench and at a corresponding position with respect to the screw rod. An adjusting block is provided for sliding within the adjusting groove, and the adjusting block is threadedly sleeved on the outside of the screw rod. The top of the adjusting block is fixedly connected to the bottom of the support frame.

[0009] According to the above-mentioned cylindrical workpiece clamping and rotating device, the support assembly includes a support plate, two electric telescopic rods 2 are symmetrically fixedly installed on the top of the support plate, and the telescopic ends of the two electric telescopic rods 2 are jointly fixedly installed with a support plate, and the inner wall of the support plate is in contact with the outer peripheral surface of the workpiece.

[0010] According to the above-mentioned cylindrical workpiece clamping and rotating device, the support plate is fixedly connected to a support frame on which a motor is not installed, and the bottom of the support plate is in contact with the top of the workbench.

[0011] According to the above-mentioned cylindrical workpiece clamping and rotating device, a rubber block is fixedly mounted on the side of the clamping plate close to the workpiece, and the side of the rubber block in contact with the workpiece is provided with anti-slip grooves.

[0012] According to the above-mentioned cylindrical workpiece clamping and rotating device, two limit grooves are symmetrically opened on the top of the workbench about the adjustment groove, the interiors of the two limit grooves are both limitedly slidably connected with limit blocks, and the two limit blocks are fixedly connected to the bottom of the support frame.

[0013] Compared with the known prior art, the technical solution provided by the utility model has the following beneficial effects:

[0014] The utility model provides a clamping assembly, and drives the rack to move through the telescopic end of an electric telescopic rod, and utilizes the meshing connection between the rack and the gear, so as to drive the rotating shaft to drive the square plate at one end to rotate. When the square plate rotates, it drives multiple connecting rods at the corners to rotate at the same time, so that the connecting rod drives the slider at the other end to move in the slide groove toward the center of the fixed plate until the clamping plate at the other end of the slider contacts the workpiece, thereby fixing the workpiece. The utility model is suitable for workpieces of different sizes within a certain range, thereby improving the working efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a side view of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0019] Figure 4 It is an internal cross-sectional view of the fixing plate of the utility model.

[0020] Figure numerals: 1. workbench; 2. support frame; 21. rotating plate; 22. fixed plate; 23. motor 1; 3. cavity; 31. electric telescopic rod 1; 32. rack; 33. rotating shaft; 34. gear; 35. square plate; 36. connecting rod; 37. slider; 38. slide groove; 39. splint; 4. screw rod; 41. motor 2; 42. adjusting groove; 43. adjusting block; 5. support plate; 51. electric telescopic rod 2; 52. support plate; 6. rubber block; 7. limit groove; 71. limit block. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model is further described below in conjunction with embodiments.

[0023] Example: Refer to Figures 1 to 4 , a cylindrical workpiece clamping and rotating device comprises a workbench 1, two support frames 2, and a workpiece, wherein one support frame 2 is fixedly installed on one side of the top of the workbench 1, and the other support frame 2 is slidably connected to the top of the workbench 1 through an adjusting component, and the opposite sides of the two support frames 2 are both limitedly slidably connected with a rotating plate 21, and the opposite sides of the two rotating plates 21 are fixedly installed with a fixed plate 22 through a plurality of cross bars, and the opposite sides of the two fixed plates 22 are provided with a clamping component, and the clamping component directly acts on the workpiece, and a motor 23 for driving the rotating plate 21 to rotate is fixedly installed on one side of the support frame 2 fixedly connected to the workbench 1. First, the workpiece is installed on the movable support frame 2 by using the clamping component, and the support component is used to hold the workpiece to prevent the center of the workpiece from being unstable, and at this time, the adjusting component is used to drive the support frame 2 to move, so that the other end of the workpiece is fixed by another clamping component, and at this time, the motor 23 is started, and the rotating plate 21 is driven to rotate by the motor 23, thereby driving the clamped workpiece to rotate;

[0024] The clamping assembly includes a cavity 3 opened inside the fixed plate 22, an electric telescopic rod 31 is fixedly installed inside the cavity 3, and a rack 32 is fixedly installed at the telescopic end of the electric telescopic rod 31, the rack 32 is limited and slidably connected with the cavity 3, a rotating shaft 33 is rotatably connected at the center of the fixed plate 22, and a gear 34 is fixedly installed on the outside of the rotating shaft 33, the rack 32 is meshed with the gear 34, the rotating shaft 33 and the end close to the rotating plate 21 pass through the fixed plate 22 and are fixedly installed with a square plate 35, the edges and corners of the square plate 35 are rotatably connected with connecting rods 36, and the connecting rod 36 is L-shaped, the other end of the connecting rod 36 is rotatably connected with a slider 37, and the slider 37 is T-shaped, the inside of the fixed plate 22 A plurality of slide grooves 38 are provided, and the sliders 37 are slidably connected with the slide grooves 38 one by one, and a clamping plate 39 is fixedly installed at the other end of the slide grooves 38. The telescopic end of the electric telescopic rod 31 drives the rack 32 to extend, and the rack 32 is meshed and connected with the gear 34, so that the rotating shaft 33 can be driven to drive the square plate 35 at one end to rotate. When the square plate 35 rotates, it drives the plurality of connecting rods 36 at the corners to rotate at the same time, so that the connecting rod 36 drives the slider 37 at the other end to move in the slide groove 38 toward the center of the fixed plate 22 until the slide groove 38 at the other end of the slider 37 contacts the workpiece, thereby fixing the workpiece. It is suitable for workpieces of different sizes within a certain range, thereby improving the use effect of the equipment.

[0025] The adjustment component includes a screw rod 4 rotatably connected inside the workbench 1, a motor 41 for driving the screw rod 4 to rotate is fixedly installed on the side wall of the workbench 1, an adjustment groove 42 is opened on the top of the workbench 1 and at a corresponding position with respect to the screw rod 4, an adjustment block 43 is provided for sliding within the adjustment groove 42, and the adjustment block 43 is threadedly sleeved on the outside of the screw rod 4, the top of the adjustment block 43 is fixedly connected to the bottom of the support frame 2, the screw rod 4 is driven to rotate by the motor 41, the screw rod 4 is threadedly connected to the adjustment block 43, and the adjustment block 43 is fixedly installed on the bottom of the support frame 2, so that the support frame 2 can be driven to move at the same time, and corresponding adjustments can be made according to the length of the workpiece, so that workpieces of different lengths can be fixed, thereby improving the use effect of the equipment.

[0026] The support assembly includes a support plate 5, on the top of which two electric telescopic rods 51 are symmetrically fixedly installed, and the telescopic ends of the two electric telescopic rods 51 are jointly fixedly installed with a support plate 52, and the inner wall of the support plate 52 is in contact with the outer peripheral surface of the workpiece. By controlling the telescopic length of the electric telescopic rod 51, the support plate 52 at the telescopic end is driven to move up and down, so that it can be adjusted accordingly according to the size of the workpiece, ensuring that the support plate 52 can always hold the workpiece, and when one of the clamping assemblies releases the workpiece, the workpiece will not fall.

[0027] The support plate 5 is fixedly connected to the support frame 2 without the motor 23 installed, and the bottom of the support plate 5 contacts the top of the workbench 1. Since the support plate 5 is fixedly connected to the support frame 2, when the support frame 2 moves, the support plate 5 can be driven to move at the same time to prevent the workpiece from having an unstable center of gravity.

[0028] A rubber block 6 is fixedly mounted on one side of the clamping plate 39 close to the workpiece, and the side of the rubber block 6 in contact with the workpiece is provided with anti-skid patterns, which can provide good anti-skid performance and ensure that the workpiece is not easy to move or slide during operation.

[0029] Two limit grooves 7 are symmetrically provided on the top of the workbench 1 about the adjustment groove 42. The interiors of the two limit grooves 7 are both limitedly slidably connected with limit blocks 71, and the two limit blocks 71 are fixedly connected to the bottom of the support frame 2 to play a limiting role, thereby further improving the stability of the movement of the support frame 2.

[0030] The working principle of the utility model is as follows: when in use, first place the workpiece to be fixed on the support plate 52, and control the telescopic length of the electric telescopic rod 51 so that the axis of the workpiece coincides with the axis of the two fixed plates 22, and then push the workpiece toward the fixed plate 22 on one side until one end thereof contacts the fixed plate 22;

[0031] Then, the electric telescopic rod 31 on the right side is started, and the rack 32 is driven to move through its telescopic end, and the rack 32 is meshed and connected with the gear 34, so that the rotating shaft 33 can be driven to drive the square plate 35 at one end to rotate. When the square plate 35 rotates, multiple connecting rods 36 at the corners are driven to rotate at the same time, so that the connecting rod 36 drives the slider 37 at the other end to move in the slide groove 38 toward the center of the fixed plate 22. Since the other end of the slider 37 is fixedly connected to the clamping plate 39, the rubber block 6 installed on one side of the clamping plate 39 contacts the workpiece, so that the workpiece can be fixed. It is suitable for workpieces of different sizes within a certain range, which improves the use effect of the equipment. The anti-skid pattern on one side of the rubber block 6 can provide good anti-skid performance to ensure that the workpiece is not easy to move or slide during operation.

[0032] Then start the motor 2 41, and drive the screw rod 4 to rotate through the output end, and use the screw rod 4 to be threadedly connected with the adjusting block 43, and the adjusting block 43 is fixedly installed at the bottom of the support frame 2, so that the support frame 2 can be driven to move at the same time, so that it moves in the direction of the other support frame 2, until the other end of the workpiece contacts the other fixed plate 22, and the other end of the workpiece is fixed by another clamping assembly, and corresponding adjustments can be made according to the length of the workpiece to achieve fixation of workpieces of different lengths, thereby improving the use effect of the equipment, and finally, start the motor 1 23, and drive the rotating plate 21 to rotate through the output end, so that the clamped workpiece can be driven to rotate.

[0033] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cylindrical workpiece clamping and rotating device, comprising a worktable (1), two support frames (2), a workpiece, and a support assembly, characterized in that: One of the support frames (2) is fixedly mounted on one side of the top of the workbench (1), and the other support frame (2) is slidably connected to the top of the workbench (1) via an adjustment component. The opposite sides of the two support frames (2) are both limitedly slidably connected with a rotating plate (21), and the opposite sides of the two rotating plates (21) are both fixedly mounted with a fixed plate (22) via a plurality of cross bars. The opposite sides of the two fixed plates (22) are both provided with a clamping component, and the clamping component directly acts on the workpiece. A motor (23) for driving the rotating plate (21) to rotate is fixedly mounted on one side of the support frame (2) fixedly connected to the workbench (1); The clamping assembly comprises a cavity (3) opened inside a fixed plate (22), an electric telescopic rod (31) is fixedly installed inside the cavity (3), and a rack (32) is fixedly installed at the telescopic end of the electric telescopic rod (31), the rack (32) is limitedly slidably connected to the cavity (3), a rotating shaft (33) is rotatably connected at the center of the fixed plate (22), and a gear (34) is fixedly installed on the outside of the rotating shaft (33), the rack (32) is meshingly connected to the gear (34), and the rotating shaft (33) is One end close to the rotating plate (21) passes through the fixed plate (22) and is fixedly mounted with a square plate (35). The corners of the square plate (35) are rotatably connected with connecting rods (36), and the connecting rods (36) are L-shaped. The other end of the connecting rod (36) is rotatably connected with a sliding block (37), and the sliding block (37) is T-shaped. A plurality of sliding grooves (38) are provided inside the fixed plate (22). The sliding blocks (37) are slidably connected to the sliding grooves (38) one by one, and the other ends of the sliding grooves (38) are fixedly mounted with clamping plates (39).

2. A cylindrical workpiece clamping and rotating device according to claim 1, characterized in that: The adjustment component comprises a screw (4) rotatably connected inside the workbench (1); a motor (41) for driving the screw (4) to rotate is fixedly mounted on the side wall of the workbench (1); an adjustment groove (42) is provided at the top of the workbench (1) and at a corresponding position with respect to the screw (4); an adjustment block (43) is provided inside the adjustment groove (42) for limiting sliding, and the adjustment block (43) is threadedly sleeved on the outside of the screw (4); and the top of the adjustment block (43) is fixedly connected to the bottom of the support frame (2).

3. A cylindrical workpiece clamping and rotating device according to claim 1, characterized in that: The support assembly comprises a support plate (5), two electric telescopic rods (51) are symmetrically fixedly mounted on the top of the support plate (5), and a support plate (52) is fixedly mounted on the telescopic ends of the two electric telescopic rods (51), and the inner wall of the support plate (52) contacts the outer peripheral surface of the workpiece.

4. A cylindrical workpiece clamping and rotating device according to claim 3, characterized in that: The support plate (5) is fixedly connected to a support frame (2) on which a motor (23) is not installed, and the bottom of the support plate (5) is in contact with the top of the workbench (1).

5. The cylindrical workpiece clamping and rotating device according to claim 1, characterized in that: A rubber block (6) is fixedly mounted on one side of the clamping plate (39) close to the workpiece, and a side of the rubber block (6) in contact with the workpiece is provided with anti-slip patterns.

6. A cylindrical workpiece clamping and rotating device according to claim 2, characterized in that: Two limit slots (7) are symmetrically provided on the top of the workbench (1) and about the adjustment slot (42), and the interiors of the two limit slots (7) are both limit-slidably connected to limit blocks (71), and the two limit blocks (71) are both fixedly connected to the bottom of the support frame (2).

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