Workpiece clamping tool and multi-station table

Abstract

The utility model discloses a kind of clamping tool and multi-station workbench of workpiece, including bottom plate and two groups of clamping components installed on bottom plate, the space of installing workpiece is formed between two groups of clamping components, workpiece is hub structure, and the outer periphery of two ends of workpiece is formed with annular flanging;Clamping component includes cushion block, clamp block and air cylinder, cushion block is fixedly installed on bottom plate, two extension parts are integrally connected to the side of cushion block towards workpiece, guide slot is formed between two extension parts;Clamp block is embedded in guide slot, and can be driven along guide slot sliding adjustment by air cylinder, the side of clamp block towards workpiece forms arc surface, and arc surface and the outer periphery profile of workpiece are adapted;The downside of clamp block towards workpiece forms inclined surface, and inclined surface and flanging are mutually adapted, and can be pressed on the upside of flanging.The utility model can stably and conveniently clamp workpiece.

Description

Technical Field

[0001] This utility model relates to clamping fixtures, and more specifically, to a workpiece clamping fixture, and also to a multi-station worktable. Background Technology

[0002] For hub-shaped workpieces, clamping and fixing are usually required during processing, using suitable tooling fixtures to stably secure them. For most workpieces, clamping is typically done using vertically positioned cylinders to press the workpiece stably onto the worktable. However, the upper clamping components can obstruct the workpiece from above, hindering the movement of the upper operating components and potentially causing interference or collisions. Some clamping methods involve lateral clamping of the workpiece's outer periphery, subjecting it only to horizontal force. This results in the workpiece not being stably pressed onto the worktable, leading to relatively poor clamping stability.

[0003] Therefore, a new solution is needed to address this problem. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a workpiece clamping fixture and a multi-station worktable.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a workpiece clamping fixture, comprising a base plate and two sets of clamping assemblies mounted on the base plate, forming a space for mounting the workpiece between the two sets of clamping assemblies; the workpiece has a hub-shaped structure, with annular flanges formed on the outer periphery of both ends of the workpiece; the clamping assembly includes a pad, a clamping block, and a cylinder; the pad is fixedly mounted on the base plate, and two extensions are integrally connected to the side of the pad facing the workpiece, forming a guide groove between the two extensions; the clamping block is embedded in the guide groove and can be slidably adjusted along the guide groove by being driven by the cylinder; the side of the clamping block facing the workpiece forms an arc-shaped surface, which is adapted to the outer periphery of the workpiece; the lower side of the clamping block faces the workpiece and has an inclined surface, which is adapted to the flange and can press against the upper side of the flange.

[0006] The present invention is further configured such that each of the extensions is fixedly connected to a vertical rod, the upper end of the vertical rod having a conical head, and the four vertical rods are used to limit the workpiece.

[0007] The present invention is further configured such that the clamping assembly includes a stop block, the stop block is fixedly installed on the upper part of the pad block, and a guide surface is formed on the side of the stop block facing the workpiece, the guide surface being an arc-shaped surface with a diameter gradually decreasing from top to bottom.

[0008] The present invention is further configured such that the stop block is fixedly installed on the upper part of the two extensions of the pad block and spans both sides of the guide groove; the clamping block is located between the base plate and the stop block.

[0009] The present invention is further configured such that the cylinder is fixedly installed on the upper part of the pad block, and a connecting block is fixedly connected to the upper part of the side of the clamping block facing away from the workpiece, and the connecting block is fixedly connected to the telescopic end of the cylinder.

[0010] This utility model also provides a multi-station workbench, including a table plate, on which a plurality of workstations are formed, and each workstation is equipped with a workpiece clamping fixture as described in any one of the claims.

[0011] The present invention is further configured such that the lower part of the platform is rotatably supported by a support base and driven to rotate by a servo driver; the clamping fixtures for each workpiece are distributed in a ring array along the rotation center of the platform.

[0012] The present invention is further configured such that the workpiece clamping fixture on the platform is provided in four sets.

[0013] The present invention is further configured such that the base plate is fixedly installed on the platform, and a clearance through hole is provided in the middle of the base plate corresponding to the position where the workpiece is installed.

[0014] In summary, this utility model has the following beneficial effects:

[0015] In this clamping process, the cylinder pushes the clamping block, and the arc-shaped surface at the end of the clamping block can clamp and limit the outer periphery of the workpiece. The flange at the end of the workpiece can be embedded into the lower side of the inclined surface of the clamping block. The inclined surface can press the clamping block tightly. Moreover, since the inclined surface gradually decreases in the direction away from the workpiece, the cylinder can push the clamping block towards the workpiece. As the clamping block approaches the workpiece, the inclined surface can apply directional pressure to the flange, thereby clamping the workpiece on the upper side of the base plate and fixing the workpiece.

[0016] In each set of clamping fixtures, four uprights can limit the workpiece, roughly positioning it so that it can quickly fall into a relatively accurate position. With the help of two stops and the guide surface on the inner circumference of the stops, the workpiece can be guided, allowing it to fall smoothly into the required clamping position along the guide surface. This makes it easier to place the workpiece accurately and clamp it. Attached Figure Description

[0017] Figure 1 This is a first-view perspective perspective of a multi-station workbench in this embodiment;

[0018] Figure 2This is a second-view perspective perspective of a multi-station workbench in this embodiment;

[0019] Figure 3 This is a perspective view of a workpiece clamping fixture in this embodiment;

[0020] Figure 4 This is an exploded perspective view of a workpiece clamping fixture in this embodiment;

[0021] Figure 5 This is an exploded three-dimensional view of the clamping component in this embodiment.

[0022] Reference numerals: Workpiece 1; Flanged edge 101; Table 2; Support base 3; Servo driver 31; Clamping fixture 4; Base plate 5; Clearance through hole 51; Clamping assembly 6; Pad 61; Extension 611; Guide groove 612; Upright rod 62; Conical head 621; Stop block 63; Guide surface 631; Clamping block 64; Arc surface 641; Inclined surface 642; Connecting block 643; Cylinder 65; Telescopic end 651. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] This embodiment discloses a workpiece clamping fixture, referring to... Figures 1-5 As shown, it includes a base plate 5 and two sets of clamping components 6 mounted on the base plate 5, forming a space for mounting the workpiece 1 between the two sets of clamping components 6; the base plate 5 can support the workpiece 1 to be clamped, and the two sets of clamping components 6 can jointly clamp and fix the workpiece 1.

[0025] In this embodiment, the workpiece 1 has a hub-shaped structure, and annular flanges 101 are formed on the outer periphery of both ends of the workpiece 1. During the clamping process, the clamping assembly 6 can clamp and fix the flanges 101 of the workpiece 1.

[0026] The clamping assembly 6 includes a pad 61, a clamping block 64, and a cylinder 65. The pad 61 serves as a support and is fixedly mounted to the base plate 5 by bolts. Two extensions 611 are integrally connected to the side of the pad 61 facing the workpiece 1, and a guide groove 612 is formed between the two extensions 611. The guide groove 612 is open on the side facing the workpiece 1.

[0027] The clamping block 64 is embedded in the guide groove 612. The width of the clamping block 64 is adapted to the guide groove 612. The clamping block 64 can be driven by the cylinder 65 and can slide and adjust along the guide groove 612.

[0028] Reference Figure 5 As shown, an arc-shaped surface 641 is formed on the side of the clamping block 64 facing the workpiece 1, and the arc-shaped surface 641 is adapted to the outer peripheral contour of the workpiece 1. An inclined surface 642 is formed on the lower side of the clamping block 64 facing the workpiece 1, forming a wedge-shaped structure. The inclined surface 642 is adapted to the flange 101, and the flange 101 of the workpiece 1 can be clamped by the inclined surface 642 of the clamping block 64.

[0029] During the clamping process, one end face of the workpiece 1 is first installed on the upper side of the base plate 5, located between the two sets of clamping components 6. During clamping, the clamping block 64 is pushed by the cylinder 65. The arc-shaped surface 641 at the end of the clamping block 64 can clamp and limit the outer periphery of the workpiece 1. The flange 101 at the end of the workpiece 1 can be embedded into the lower side of the inclined surface 642 of the clamping block 64. The inclined surface 642 can press the clamping block 64 tightly. Moreover, since the inclined surface 642 gradually decreases in the direction away from the workpiece 1, the cylinder 65 can push the clamping block 64 towards the workpiece 1. As the clamping block 64 approaches the workpiece 1, the inclined surface 642 can apply directional pressure to the flange 101, thereby clamping the workpiece 1 on the upper side of the base plate 5 and fixing the workpiece 1.

[0030] Furthermore, uprights 62 are fixedly connected to the upper part of the extension 611. The uprights 62 have an upright structure and a conical head 621 is formed at the upper end of the upright. Each clamping assembly 6 is provided with two uprights 62, so that the entire clamping fixture has four uprights 62. The four uprights 62 can limit the workpiece 1. When the workpiece 1 is placed on the upper side of the base plate 5, the limiting effect of the four uprights 62 can roughly position the workpiece 1, so that the workpiece 1 can quickly fall into a relatively accurate position.

[0031] Furthermore, referring to Figure 4 , Figure 5 As shown, the clamping assembly 6 also includes a stop block 63, which is fixedly installed on the upper part of the pad block 61. A guide surface 631 is formed on the side of the stop block 63 facing the workpiece 1. The guide surface 631 is an arc-shaped surface with a diameter that gradually decreases from top to bottom. The guide surfaces 631 on both sides can guide the workpiece 1. Following the guide surface 631 from top to bottom, the workpiece 1 can be guided. Combined with the four uprights 62, the placement and positioning of the workpiece 1 can be more accurately achieved.

[0032] Specifically, the stop block 63 is fixedly installed on the upper part of the two extensions 611 of the pad block 61, and the stop block 63 and the extensions 611 are fixed together by bolts. The stop block 63 spans the upper side of the guide groove 612 and extends to both sides of the guide groove 612, forming a narrow channel between the stop block 63 and the base plate 5. The height of the clamping block 64 is adapted to the height of the channel. The clamping block 64 is located between the base plate 5 and the stop block 63. Through the two extensions 611, the lower base plate 5 and the upper stop block 63, the clamping block 64 can be slidably guided, and the sliding of the clamping block 64 can be stably restricted in the channel to maintain the stability of the sliding of the clamping block 64.

[0033] During the clamping of workpiece 1, the inclined surface 642 at the end of the clamping block 64 can apply downward pressure to the flange 101 of workpiece 1, and conversely, the flange 101 of workpiece 1 will also apply upward reaction force to the clamping block 64. The upward movement of the clamping block 64 can be limited by the stop block 63 to maintain the stability of the clamping state.

[0034] In this embodiment, cylinder 65 is fixedly installed on the upper part of pad 61, and cylinder 65 has a telescopic end 651. A connecting block 643 is fixedly connected to the upper part of the clamping block 64 on the side facing away from workpiece 1, and the connecting block 643 protrudes upward from the upper side of pad 61. The pad 61 and the telescopic end 651 of cylinder 65 are fixedly connected to each other, and a sliding linkage can be formed between the telescopic end 651, the connecting block 643 and the clamping block 64, thereby realizing a stable driving effect on the clamping block 64, and thus realizing stable and effective clamping of workpiece 1.

[0035] This embodiment also discloses a multi-station workbench, which, based on the above embodiments, and with reference to... Figure 1 , Figure 2 A detailed explanation will be provided.

[0036] In this embodiment, the multi-station workbench includes a table plate 2 and several workpiece clamping fixtures as described in the above embodiment. Several workstations are formed on the table plate 2, and each workstation is equipped with the aforementioned clamping fixtures. During the operation of this workbench, multiple consecutive workstations can be formed, thereby facilitating the successive processing of workpiece 1.

[0037] The base plate 5 is fixedly installed on the table plate 2. A clearance through hole 51 is provided in the middle of the base plate 5. The position of the clearance through hole 51 corresponds vertically to the position of the workpiece 1. The clearance through hole 51 can accommodate part of the workpiece 1, thereby facilitating the clamping of the workpiece 1 and facilitating subsequent processing of the workpiece 1.

[0038] In this embodiment, the platform 2 adopts a rotating structure installation. By rotating, the platform 2 can be cyclically operated, thereby enabling continuous cyclical movement of each workstation, continuous cyclical operation of each clamping fixture, and cyclical rotation of each workpiece 1.

[0039] Specifically, the platform 2 has a roughly horizontal structure, and is rotatably supported at its lower part by a support base 3 and driven to rotate by a servo driver 31. The clamping fixtures are distributed in a ring array along the rotation center of the platform 2, forming multiple operating stations.

[0040] The workpiece clamping fixtures on the table 2 are set in four groups, with an angle of 90° between each group. When the servo driver 31 drives the table 2 to rotate, the angle of rotation is also 90° each time, so that the clamping fixtures on the four stations can drive the workpiece 1 to circulate in the four stations.

[0041] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A workpiece clamping fixture, characterized in that, The system includes a base plate (5) and two sets of clamping assemblies (6) mounted on the base plate (5). The two sets of clamping assemblies (6) form a space for mounting a workpiece (1). The workpiece (1) has a hub-shaped structure, and annular flanges (101) are formed on the outer periphery of both ends of the workpiece (1). The clamping assembly (6) includes a pad (61), a clamping block (64), and a cylinder (65). The pad (61) is fixedly mounted on the base plate (5). The pad (61) has two extensions (611) integrally connected to the side facing the workpiece (1). A guide groove (612) is formed between them; the clamping block (64) is embedded in the guide groove (612) and can be driven by a cylinder (65) to slide and adjust along the guide groove (612). The clamping block (64) has an arc-shaped surface (641) on the side facing the workpiece (1), and the arc-shaped surface (641) is adapted to the outer periphery of the workpiece (1). The clamping block (64) has an inclined surface (642) on the lower side facing the workpiece (1), and the inclined surface (642) is adapted to the flange (101) and can press against the upper side of the flange (101).

2. The workpiece clamping fixture according to claim 1, characterized in that, Each extension (611) is fixedly connected to a vertical rod (62), and the upper end of the vertical rod (62) is formed with a conical head (621). The four vertical rods (62) are used to limit the workpiece (1).

3. The workpiece clamping fixture according to claim 1, characterized in that, The clamping assembly (6) also includes a stop (63), which is fixedly installed on the upper part of the pad (61). The stop (63) has a guide surface (631) on the side facing the workpiece (1). The guide surface (631) is an arc-shaped surface with a diameter that gradually decreases from top to bottom.

4. The workpiece clamping fixture according to claim 3, characterized in that, The stop block (63) is fixedly installed on the upper part of the two extensions (611) of the pad block (61) and spans both sides of the guide groove (612); the clamping block (64) is located between the base plate (5) and the stop block (63).

5. The workpiece clamping fixture according to claim 4, characterized in that, The cylinder (65) is fixedly installed on the upper part of the pad (61), and a connecting block (643) is fixedly connected to the upper part of the side of the clamping block (64) facing away from the workpiece (1). The connecting block (643) is fixedly connected to the telescopic end (651) of the cylinder (65).

6. A multi-station workbench, characterized in that, Includes a table (2), on which a plurality of workstations are formed, and each workstation is equipped with a workpiece clamping fixture as described in any one of claims 1-5.

7. A multi-station workbench according to claim 6, characterized in that, The lower part of the platform (2) is rotatably supported by the support base (3) and driven to rotate by the servo driver (31); the clamping fixtures of each workpiece are distributed in a ring array along the rotation center of the platform (2).

8. A multi-station workbench according to claim 7, characterized in that, The workpiece clamping fixtures on the platform (2) are provided in four sets.

9. A multi-station workbench according to claim 6, characterized in that, The base plate (5) is fixedly installed on the platform (2), and a clearance through hole (51) is provided in the middle of the base plate (5) corresponding to the position where the workpiece (1) is installed.

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