Multi-specification workpiece positioning assembly of machining center
By introducing multi-specification workpiece positioning components into the workpiece machining center, and utilizing the cooperation of bidirectional screws and sliding blocks to achieve centered positioning and clamping of the workpiece, the problem of inaccurate workpiece positioning is solved, and machining accuracy and efficiency are improved.
Patent Information
- Application Number
- CN202522697202.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-19
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-12-19
AI Technical Summary
When existing workpiece machining centers use ordinary adjustable sliding plates to clamp workpieces, they cannot position the workpieces in a uniform centered position, which affects positioning accuracy, may cause machining damage, and is difficult to adapt to workpieces of various specifications, thus reducing machining efficiency.
It adopts a multi-specification workpiece positioning component, including a base, a Y-axis moving part, an X-axis moving part, and a positioning and clamping component. Through the cooperation of a bidirectional screw and a sliding block, it achieves centered positioning and clamping of the workpiece. It can adapt to workpieces of different specifications and shapes through multiple independent clamping blocks, and uses a fixed ratchet plate and a sliding ratchet plate for locking.
It ensures that the workpiece remains in a consistent position during processing, improves positioning accuracy, prevents processing damage, and can adapt to workpieces of various specifications and shapes, thereby improving processing efficiency.
Smart Images

Figure CN223876588U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to workpiece machining center technical field especially relates to a kind of multi-specification workpiece positioning assembly of machining center. BACKGROUND
[0002] Numerical control machining center is a powerful high-precision automation machine tool, which controls the machine tool action through the machining program prepared in advance, and can complete milling, boring, drilling and tapping and other processing procedures on a device;It is mainly used for machining complex parts, especially suitable for machining box type, disc sleeve plate type parts, and can efficiently and accurately complete the machining of plane, curved surface, hole system and thread;It is mainly widely used in key fields such as mechanical manufacturing, automobile industry, aerospace, precision instruments, die manufacturing and military production.
[0003] The existing workpiece machining center usually uses ordinary adjustable sliding plate to clamp the workpiece, and cannot be positioned to the unified central position when replacing the workpiece in the machining process, so that the positioning accuracy cannot be guaranteed, and the subsequent machining may damage the workpiece, and the ordinary adjustable sliding plate cannot adapt to the machining of multi-specification workpieces, reducing the work efficiency. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of multi-specification workpiece positioning assembly of machining center, to solve the technical problem that the existing workpiece machining center uses ordinary adjustable sliding plate to clamp workpiece, when replacing workpiece, it cannot be positioned to the unified central position, easy to affect positioning accuracy and possibly lead to subsequent machining damage workpiece, and difficult to adapt to multi-specification workpiece, reduce the machining efficiency.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of multi-specification workpiece positioning assembly of machining center, comprising: base, the upper side of base is provided with Y-axis moving piece, the upper side of Y-axis moving piece is provided with X-axis moving piece;Positioning and clamping assembly, is set to the upper side of X-axis moving piece, and positioning and clamping assembly is used to clamp and position workpiece.
[0006] In one preferred scheme, the positioning and clamping assembly includes: a placement table is set to the upper side of X-axis moving piece, and a plurality of fixed blocks are fixedly connected to the upper side of the placement table at equal intervals.
[0007] In one preferred scheme, the positioning and clamping assembly further includes: a bidirectional screw is connected to the rotating hole inside the opposite side of two opposite fixed blocks through a bearing;A sliding rod is fixedly connected to the opposite side of the other two opposite fixed blocks;A plurality of sliding blocks are respectively sleeved on the outer wall of the bidirectional screw and the sliding rod, and the same connecting plate is fixedly connected between the two opposite sliding blocks on the bidirectional screw and the sliding rod.
[0008] In one preferred embodiment, the positioning and clamping assembly further comprises: fixed ratchet plates, a plurality of fixed ratchet plates are fixedly connected to the outer walls of the corresponding sliding blocks respectively; and partition plates, a plurality of partition plates are fixedly connected to one side of the corresponding connecting plates at equal intervals.
[0009] In one preferred embodiment, the positioning and clamping assembly further comprises: fixed sliding groove plates, a plurality of fixed sliding groove plates are fixedly connected to one side of the connecting plates at equal intervals, two fixed sliding groove plates located on the same connecting plate are slidably connected with a plurality of clamping blocks at equal intervals inside, and the plurality of clamping blocks are located between the corresponding two partition plates respectively; and extrusion springs, one end of each of the plurality of extrusion springs is fixedly connected to one end of the corresponding clamping block, and the other end of each of the plurality of extrusion springs is fixedly connected to one side of the corresponding connecting plate.
[0010] In one preferred embodiment, the positioning and clamping assembly further comprises: U-shaped sliding groove plates, two U-shaped sliding groove plates are fixedly connected to the upper side of the placement table oppositely, a plurality of sliding blocks are located between the two U-shaped sliding groove plates, two sliding ratchet plates are slidably connected to the inside of each of the two U-shaped sliding groove plates oppositely, the ratchet directions of the two sliding ratchet plates located on the same U-shaped sliding groove plate are opposite, one end of each of two extension springs is fixedly connected to one side of the corresponding sliding ratchet plate, and the other end of each of the two extension springs located on the same sliding ratchet plate is fixedly connected to the inner wall of the corresponding U-shaped sliding groove plate; and setting plates, a plurality of setting plates are arranged on the upper side of the corresponding sliding ratchet plate, and the inner walls of the two setting plates located on the same sliding ratchet plate are connected with an L-shaped locking plate through a bearing.
[0011] In one preferred embodiment, one side of the base is provided with a Z-axis moving piece, and the upper side of the Z-axis moving piece is provided with a driving piece.
[0012] As can be seen from the above, the multi-specification workpiece positioning assembly of the machining center provided by the utility model has the technical effect that the positioning and clamping assembly can always centrally position and clamp the workpiece through the action of the bidirectional screw rod, so that the workpiece replaced during continuous work can always ensure consistent position, the quality of workpiece machining is ensured, and meanwhile, since the plurality of clamping blocks are independent of each other, the plurality of clamping blocks can adaptively clamp workpieces of various specifications and different shapes, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The utility model provides a kind of multi-specification workpiece positioning assembly of machining center overall structure schematic view;
[0014] Figure 2 The utility model provides a kind of positioning and clamping assembly overall structure schematic view of multi-specification workpiece positioning assembly of machining center;
[0015] Figure 3The utility model provides a kind of inside structure schematic diagram of positioning and clamping assembly of the positioning assembly of multi-specification workpiece of machining center of the utility model proposes.
[0016] Figure 4 The utility model provides a kind of inside structure schematic diagram of connecting plate in the positioning and clamping assembly of the positioning assembly of multi-specification workpiece of machining center of the utility model proposes.
[0017] Figure 5 The utility model provides a kind of whole structure schematic diagram of U type sliding groove plate in the positioning and clamping assembly of the positioning assembly of multi-specification workpiece of machining center of the utility model proposes.
[0018] In the drawing: 1, base; 2, Y axis moving part; 3, X axis moving part; 4, positioning and clamping assembly; 401, placing table; 402, U type sliding groove plate; 403, fixed block; 404, two-way screw; 405, connecting plate; 406, sliding rod; 407, fixed ratchet plate; 408, sliding block; 409, fixed sliding groove plate; 410, baffle; 411, extrusion spring; 412, clamping block; 413, telescopic spring; 414, sliding ratchet plate; 415, setting plate; 416, L type locking plate; 5, driving part; 6, Z axis moving part. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0020] The positioning and clamping assembly of the utility model is mainly applied to the scene that ordinary adjustable sliding plate is used to clamp workpiece in the existing workpiece machining center, the workpiece cannot be positioned to the unified central position when replacing workpiece, which can affect positioning accuracy and possibly cause workpiece damage in subsequent processing, and it is difficult to adapt to multi-specification workpiece, and the processing efficiency is reduced.
[0021] Referring to Figure 1 A kind of positioning assembly of multi-specification workpiece of machining center, it include: base 1, the upper side of base 1 is provided with Y axis moving part 2, the upper side of Y axis moving part 2 is provided with X axis moving part 3;Positioning and clamping assembly 4, setting in the upper side of X axis moving part 3, positioning and clamping assembly 4 is used to clamp positioning to workpiece.
[0022] Referring to Figures 1-5 In one preferred scheme, positioning and clamping assembly 4 includes: placing table 401, setting in the upper side of X axis moving part 3, the upper side of placing table 401 is fixedly connected with a plurality of fixed blocks 403 at relative equal interval.
[0023] In the scheme, the positioning and clamping assembly 4 further comprises: a bidirectional screw 404 connected to the rotating hole inside the opposite side of two opposite fixed blocks 403 through a bearing; a sliding rod 406 fixedly connected to the opposite side of the other two opposite fixed blocks 403; a plurality of sliding blocks 408, each of which is sleeved on the outer wall of the bidirectional screw 404 and the sliding rod 406, and a same connecting plate 405 is fixedly connected between the two opposite sliding blocks 408 on the bidirectional screw 404 and the sliding rod 406.
[0024] In the scheme, the positioning and clamping assembly 4 further comprises: a fixed ratchet plate 407 fixedly connected to the outer wall of each corresponding sliding block 408; and a plurality of partition plates 410 fixedly connected to one side of each corresponding connecting plate 405 at equal intervals.
[0025] In the scheme, the positioning and clamping assembly 4 further comprises: a fixed sliding groove plate 409 fixedly connected to one side of each connecting plate 405 at equal intervals, a plurality of clamping blocks 412 slidingly connected inside the two fixed sliding groove plates 409 on the same connecting plate 405 at equal intervals, and each of the plurality of clamping blocks 412 located between two corresponding partition plates 410; and a plurality of extrusion springs 411, each of which has one end fixedly connected to one end of a corresponding clamping block 412 and the other end fixedly connected to one side of a corresponding connecting plate 405.
[0026] In the scheme, the positioning and clamping assembly 4 further comprises: two U-shaped sliding groove plates 402 fixedly connected to the upper side of the placement table 401, a plurality of sliding blocks 408 located between the two U-shaped sliding groove plates 402, two sliding ratchet plates 414 slidingly connected inside the two U-shaped sliding groove plates 402 respectively, the ratchet directions of the two sliding ratchet plates 414 on the same U-shaped sliding groove plate 402 being opposite, one side of each of a plurality of sliding ratchet plates 414 fixedly connected to one end of two extension springs 413, the other end of the two extension springs 413 on the same sliding ratchet plate 414 fixedly connected to the inner wall of the corresponding U-shaped sliding groove plate 402; and a plurality of setting plates 415, each of which is arranged on the upper side of a corresponding sliding ratchet plate 414, and the inner walls of the two setting plates 415 on the same sliding ratchet plate 414 connected through a bearing to an L-shaped locking plate 416.
[0027] When the workpiece needs to be processed, the workpiece is placed on the upper side of the placing table 401, and the workpiece is located between the two connecting plates 405, and at the same time, the two connecting plates 405 are relatively moved by rotating the bidirectional screw rod 404, and at the same time, the plurality of clamping blocks 412 clamps and fixes the workpiece by overcoming the elastic force of the corresponding compression spring 411, and in this process, the positioning and clamping assembly 4 can always center the workpiece by the action of the bidirectional screw rod 404. Clamping, so that the workpiece replaced during continuous work can always ensure consistent position, ensure the quality of workpiece processing, and at the same time, since the plurality of clamping blocks 412 are independent of each other, the workpiece of various specifications and different shapes can be adaptively clamped, improving the work efficiency. Wherein, through the action of the plurality of fixed ratchet plates 407 and the corresponding plurality of sliding ratchet plates 414, the workpiece clamping is locked to prevent the workpiece from moving during processing, when the processed workpiece needs to be removed, the plurality of sliding ratchet plates 414 are moved away from the corresponding fixed ratchet plates 407 to cancel the locking, and one end of the plurality of L-shaped locking plates 416 is rotated to the back of the corresponding U-shaped sliding groove plate 402, and then under the action of the corresponding extension spring 413, the one end of the plurality of L-shaped locking plates 416 is buckled on the back of the corresponding U-shaped sliding groove plate 402, so that the plurality of sliding ratchet plates 414 keep away from the plurality of fixed ratchet plates 407 state, ensure that the workpiece can be smoothly removed.
[0028] Referring to Figure 1 In a preferred embodiment, the base 1 is provided with a Z-axis moving piece 6 on one side, and the upper side of the Z-axis moving piece 6 is provided with a driving piece 5.
[0029] Working principle: when the workpiece needs to be processed, the workpiece is placed on the upper side of the placing table 401, and the workpiece is located between the two connecting plates 405, and at the same time, the two connecting plates 405 are relatively moved by rotating the bidirectional screw rod 404, and at the same time, the plurality of clamping blocks 412 overcome the elastic force of the corresponding compression springs 411 to clamp and fix the workpiece, in the process, the positioning and clamping assembly 4 can always center the workpiece by the action of the bidirectional screw rod 404, so that the replaced workpiece can always ensure consistent position during continuous work, ensuring the quality of workpiece processing, and since the plurality of clamping blocks 412 are independent of each other, they can adapt to workpieces of various specifications and different shapes for adaptive clamping, improving work efficiency, wherein the workpiece clamping is locked by the action of the plurality of fixed ratchet plates 407 and the corresponding plurality of sliding ratchet plates 414, preventing the workpiece from moving during processing, during workpiece processing, the Y-axis moving piece 2, the X-axis moving piece 3 and the Z-axis moving piece 6 are moved relative to each other, so as to realize the adjustment of the workpiece position, and the workpiece is processed by the driving piece 5, when the processed workpiece needs to be removed, the plurality of sliding ratchet plates 414 are moved away from the corresponding fixed ratchet plates 407 to cancel the locking, and one end of the plurality of L-shaped locking plates 416 is rotated to the back of the corresponding U-shaped sliding groove plate 402, and then under the action of the corresponding extension spring 413, the one end of the plurality of L-shaped locking plates 416 is buckled on the back of the corresponding U-shaped sliding groove plate 402, so that the plurality of sliding ratchet plates 414 are kept away from the plurality of fixed ratchet plates 407, ensuring that the workpiece can be smoothly removed.
[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. The replacement can be a partial structure, device, method step replacement, or a complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent replacement or change should be covered within the protection scope of the present application.
Claims
1. A multi-specification workpiece positioning assembly for a machining center, comprising: The utility model relates to a positioning and clamping assembly and a workpiece positioning and clamping device, and relates to the technical field of workpiece positioning and clamping. The utility model discloses a positioning and clamping assembly and a workpiece positioning and clamping device, and relates to the technical field of workpiece positioning and clamping.
2. A multi-specification workpiece positioning assembly of a machining center according to claim 1, wherein, The utility model relates to a positioning and clamping assembly and a workpiece positioning and clamping device, and relates to the technical field of workpiece positioning and clamping.
3. The multi-specification workpiece positioning assembly of claim 2, wherein, 4. The multi-specification workpiece positioning assembly of claim 1, wherein, One side of the base (1) is provided with a Z-axis moving part (6), and the upper side of the Z-axis moving part (6) is provided with a driving part (5).