Special-shaped part clamp for machine tool machining
By designing a detachable clamping plate and a two-way lead screw structure, the problem of the difficulty in replacing existing fixtures is solved, and stable clamping and precise machining of irregularly shaped workpieces are achieved.
Patent Information
- Application Number
- CN202520111668.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-17
AI Technical Summary
Most existing machine tool fixtures use integrated clamping plates, which are difficult to disassemble and replace, making it difficult to stably clamp irregularly shaped workpieces and limiting their application.
A fixture for irregularly shaped parts was designed, comprising a box body, a two-way lead screw, a movable plate, a connecting block, a screw, and a clamping plate. The clamping plate can be quickly disassembled and replaced through threaded connection and knob operation, and the two-way lead screw drives the clamping plate to move closer to hold the irregularly shaped parts synchronously.
It enables convenient disassembly and replacement of the clamping plates, can match the shape of irregular workpieces, improves clamping stability and machining accuracy, and expands the scope of application.
Smart Images
Figure CN223903420U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to lathe machining technical field, concretely is a special-shaped part clamp for lathe machining. BACKGROUND
[0002] Lathe machining refers to the process that utilizes lathe to ensure the relative movement relationship between tool and fixture, and simultaneously uses tool or other tools to process workpiece installed on fixture, and this process can be cutting or pressure processing, and in the process of lathe machining, workpiece is often clamped and fixed to prevent workpiece from deviating position and improve machining accuracy.
[0003] When some special-shaped workpiece needs to be clamped, if the shape of clamping plate does not match the shape of special-shaped workpiece, the clamping area of clamping plate will be small, and the clamping plate is prone to unstable clamping, which affects machining accuracy, and at this time, the clamping plate needs to be replaced by a clamping plate matching the shape of special-shaped workpiece, but the clamping plate on the existing lathe machining clamp is mostly installed in an integral manner, and is difficult to disassemble and replace, so that the clamping plate is difficult to stably clamp special-shaped workpiece, and the use range of the clamp is limited. SUMMARY
[0004] In order to overcome the above defects, the utility model provides a special-shaped part clamp for lathe machining, which solves the problem that the clamping plate on the existing lathe machining clamp is mostly installed in an integral manner, is difficult to disassemble and replace, so that the clamping plate is difficult to stably clamp special-shaped workpiece, and the use range of the clamp is limited.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a special-shaped part clamp for lathe machining, comprising a box body, a double-way screw rod is rotatably connected in the box body through a bearing, two moving plates are threadedly connected on the double-way screw rod, two connecting blocks are fixedly connected at the top of the moving plates, an installation frame is fixedly connected at the top of the two connecting blocks, two screw rods are threadedly connected on the installation frame, a T-shaped hole is formed in the installation frame, the T-shaped hole is a blind hole, a T-shaped plate is arranged in the T-shaped hole, two limiting holes are formed in the T-shaped plate, one end of the screw rod extends into the limiting hole, and a clamping plate is fixedly connected to the T-shaped plate.
[0006] As a further scheme of the utility model, a fixed rod is fixedly connected in the box body, and the moving plate is slidingly connected to the fixed rod.
[0007] As a further scheme of the utility model, four sliding grooves are formed in the box body, and the connecting block is slidingly connected in the sliding groove.
[0008] As a further scheme of the utility model, a knob is fixedly connected to one end of the double-way screw rod, and a plurality of grooves are formed in the knob.
[0009] As a further scheme of the utility model: the clamping plate is fixedly connected with a protection pad, and the protection pad is designed of plastic.
[0010] As a further scheme of the utility model: the number of the clamping plates is two, and the two clamping plates are symmetrically arranged about the middle part of the box body.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1. The special-shaped part clamp for machine tool machining, through the setting of the T-shaped plate, the limiting hole, the T-shaped hole, the clamping plate and the screw rod, when the clamping plate is replaced, the screw rod is first screwed, since the screw rod is threadedly connected on the mounting frame, the screw rod can be moved when the screw rod is screwed, so that the screw rod is separated from the inside of the limiting hole, the fixed state of the T-shaped plate is released, at this time, the clamping plate can be disassembled and replaced with the clamping plate matched with the shape of the special-shaped workpiece, at this time, the T-shaped plate is placed in the T-shaped hole, and the screw rod is screwed to move and be inserted into the limiting hole, so that the T-shaped plate and the clamping plate are fixed, and the replacement of the clamping plate is completed, the clamp is convenient for disassembling and replacing the clamping plate, so that the clamping plate matched with the shape of the special-shaped workpiece can be replaced, the special-shaped workpiece is conveniently and stably clamped, and the use range is expanded.
[0013] 2. The special-shaped part clamp for machine tool machining, through the setting of the moving plate, the clamping plate, the bidirectional screw rod and the knob, when the special-shaped part needs to be clamped, the special-shaped part is first placed between the two clamping plates, at this time, the knob is rotated to drive the bidirectional screw rod to rotate, since the screw thread directions on the two sides of the bidirectional screw rod are opposite, when the bidirectional screw rod rotates, the two moving plates can be close to each other, the moving plate drives the connecting block, the mounting frame and the clamping plate to move, so that the two clamping plates are close to each other to clamp the special-shaped part, through the rotation of the bidirectional screw rod, the two clamping plates can move synchronously and close to each other, so that the special-shaped part is conveniently clamped. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0015] Figure 2 It is a structure schematic view of the box body section of the utility model;
[0016] Figure 3 It is a three-dimensional structure schematic view of the clamping plate of the utility model;
[0017] Figure 4 It is a structure schematic view of the separation of the mounting frame and the T-shaped plate of the utility model;
[0018] As shown in the figure: 1, box body; 2, sliding groove; 3, mounting frame; 4, clamping plate; 5, protective pad; 6, knob; 7, bidirectional screw rod; 8, fixed rod; 9, moving plate; 10, connecting block; 11, screw rod; 12, T-shaped hole; 13, T-shaped plate; 14, limiting hole. DETAILED DESCRIPTION
[0019] The technical scheme of the utility model is further described in detail in combination with specific embodiments.
[0020] As Figures 1-4 shown, the utility model provides a kind of technical scheme: a special-shaped part clamp for machine tool processing, including box body 1, two-way screw rod 7 is rotatably connected in box body 1, two-way screw rod 7 one end is fixedly connected with knob 6, a plurality of recesses are set on knob 6, because a plurality of recesses are set on knob 6, can increase friction, facilitate personnel to rotate knob 6, improve the convenience of operation, two moving plates 9 are connected in screw on two-way screw rod 7, and the top of moving plate 9 is fixedly connected with two connecting blocks 10.
[0021] The top of two connecting blocks 10 is fixedly connected with mounting frame 3, and two screw rods 11 are connected in screw on mounting frame 3, because of being equipped with screw rod 11, by screwing screw rod 11, screw rod 11 is moved and inserted into limiting hole 14 inside, so that T-shaped plate 13 and clamping plate 4 can be fixed, and the stability of T-shaped plate 13 and clamping plate 4 can be effectively improved, T-shaped hole 12 is set on mounting frame 3, T-shaped hole 12 is blind hole, and fixed rod 8 is fixedly connected in box body 1, because of being equipped with fixed rod 8, when moving plate 9 moves, fixed rod 8 can play the role of limiting moving plate 9, to improve the stability when moving plate 9 moves, and moving plate 9 is slidably connected on fixed rod 8.
[0022] T-shaped hole 12 is provided with T-shaped plate 13, two limiting holes 14 are set on T-shaped plate 13, one end of screw rod 11 extends into limiting hole 14, four sliding grooves 2 are set on box body 1, and connecting block 10 is slidably connected in sliding groove 2.
[0023] T-shaped plate 13 is fixedly connected with clamping plate 4, and protective pad 5 is fixedly connected on clamping plate 4, and protective pad 5 is designed as plastic, because of being equipped with protective pad 5, when special-shaped part is clamped, special-shaped part will contact with protective pad 5, since protective pad 5 is designed as plastic, and the texture is relatively soft, special-shaped part can be protected, and damage is reduced, and the number of clamping plate 4 is two, and two clamping plates 4 are symmetrically arranged about the middle part of box body 1.
[0024] The working principle of the utility model is as follows:
[0025] When in use, the clamping plate 4 is replaced according to the shape of the special-shaped workpiece, when the clamping plate 4 is replaced, the screw rod 11 is screwed, since the screw rod 11 is screwed on the mounting frame 3, when the screw rod 11 is screwed, the screw rod 11 is moved, so that the screw rod 11 is separated from the limiting hole 14, the fixing state of the T-shaped plate 13 is released, at this time, the clamping plate 4 can be disassembled and replaced with the clamping plate 4 matched with the shape of the special-shaped workpiece, at this time, the T-shaped plate 13 is placed in the T-shaped hole 12, and the screw rod 11 is screwed to move and be inserted into the limiting hole 14, so that the T-shaped plate 13 and the clamping plate 4 are fixed, and the replacement of the clamping plate 4 is completed;
[0026] When the special-shaped workpiece needs to be clamped, the special-shaped workpiece is placed between the two clamping plates 4, at this time, the knob 6 is rotated to drive the bidirectional screw rod 7 to rotate, since the screw threads on the two sides of the bidirectional screw rod 7 are opposite, when the bidirectional screw rod 7 rotates, the two moving plates 9 can be moved close to each other, the moving plate 9 drives the connecting block 10, the mounting frame 3 and the clamping plate 4 to move, so that the two clamping plates 4 are moved close to each other to clamp the special-shaped workpiece.
[0027] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0028] The preferred embodiments of the present application are described above, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.
Claims
1. A special-shaped part fixture for machining by a machine tool, comprising a box body (1), characterized in that: The inside of the box body (1) is rotatably connected with a bidirectional screw rod (7) through a bearing, the bidirectional screw rod (7) is threadedly connected with two moving plates (9), the top of the moving plate (9) is fixedly connected with two connecting blocks (10), the top of the two connecting blocks (10) is fixedly connected with a mounting rack (3), the mounting rack (3) is threadedly connected with two screw rods (11), the mounting rack (3) is provided with a T-shaped hole (12), the T-shaped hole (12) is a blind hole, the inside of the T-shaped hole (12) is provided with a T-shaped plate (13), the T-shaped plate (13) is provided with two limiting holes (14), one end of the screw rod (11) extends into the limiting hole (14), and the T-shaped plate (13) is fixedly connected with a clamping plate (4).
2. A special-shaped part fixture for machining by a machine tool according to claim 1, characterized in that: The inside of the box body (1) is fixedly connected with a fixed rod (8), and the moving plate (9) is slidably connected to the fixed rod (8).
3. A special-shaped part fixture for machining on a machine tool according to claim 1, characterized in that: Four sliding grooves (2) are formed in the box body (1), and the connecting block (10) is slidably connected in the sliding groove (2).
4. A special-shaped part fixture for machining on a machine tool according to claim 1, characterized in that: One end of the bidirectional screw rod (7) is fixedly connected with a knob (6), and a plurality of grooves are formed in the knob (6).
5. A special-shaped part fixture for machining on a machine tool according to claim 1, characterized in that: The clamping plate (4) is fixedly connected with a protective pad (5), and the protective pad (5) is made of plastic.
6. A special-shaped part fixture for machining on a machine tool according to claim 1, characterized in that: The number of the clamping plate (4) is two, and the two clamping plates (4) are symmetrically arranged about the middle part of the box body (1).