CNC positioning tool
By designing a CNC positioning fixture with a bidirectional lead screw driven moving slide and a detachable clamping block, the problem of the single clamping method of existing CNC fixtures is solved, and flexible clamping and efficient processing of workpieces of different sizes are realized.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-03-27
AI Technical Summary
Existing CNC fixtures have a single clamping method when machining extrusion molds and cannot be adjusted as needed, resulting in reduced applicability.
A CNC positioning fixture was designed, which uses a bidirectional lead screw to drive the moving slide and clamping base, combined with a detachable clamping block and a pressing column to achieve flexible clamping of workpieces of different sizes. The fixture is fixed by the cooperation of limit pins and limit slots, thus expanding its application range.
It improves the versatility and flexibility of tooling, simplifies the replacement process, increases the diversity of clamping methods, and improves processing efficiency.
Smart Images
Figure CN224043142U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical technical field, concretely is a kind of CNC positioning tool. BACKGROUND
[0002] Extrusion die is an important tool for controlling material flow shape in extrusion process. In the processing of plastic, metal, rubber and other materials, the extrusion die is heated to a plastic state by the specific shape of the die, and then pressed to form a continuous solid product.
[0003] Extrusion die is mostly processed by CNC in the process of processing, and its shape is mostly cylindrical. In the processing, it needs to be quickly positioned. The existing clamp is mostly designed as an integral fixation, and the clamping method is relatively single. In addition to disassembly, it cannot be adjusted according to needs, which reduces the applicability of the clamp. SUMMARY
[0004] The utility model aims at providing a kind of CNC positioning tool to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of CNC positioning tool, comprising:
[0006] Support frame, the middle part of support frame is rotatably installed with two-way screw rod;
[0007] Mobile sliding table, mobile sliding table is provided with two and is symmetrically screwed on the outside of two-way screw rod, the top of mobile sliding table is detachably installed with clamping seat, the side of clamping seat is provided with installation notch, the middle part of installation notch is detachably installed with clamping block, for replacement according to the size of cylindrical workpiece;
[0008] Extrusion column, extrusion column is placed on the top of clamping seat, for pressing and fixing clamping block and clamping workpiece.
[0009] As preferred, the bottom of the support frame is fixedly connected with a mounting seat, and a plurality of mounting holes are equidistantly formed in the middle part of the mounting seat.
[0010] As preferred, the support frame is a U-shaped structure, and two limiting sliding plates are fixedly connected to the middle part of the support frame, and the mobile sliding table is slidably connected with the limiting sliding plates.
[0011] As preferred, the top of the mobile sliding table is fixedly connected with two positioning columns, the bottom of the clamping seat is provided with a hole matched with the positioning columns, and the clamping seat is fixedly connected with the mobile sliding table by bolts.
[0012] As preferred, a supporting table is formed on one side of the clamping seat for supporting and clamping the workpiece.
[0013] As preferred, the mounting slot is V-shaped structure, the inner wall of the mounting slot is provided with a limiting slot, the outer side of the clamping block is fixedly connected with a limiting pin matched with the limiting slot, and one side of the clamping block is provided with a clamping slot.
[0014] As preferred, the top of the clamping seat is provided with a positioning slot for positioning the clamping block, and the top of the clamping seat is provided with a plurality of positioning holes.
[0015] Compared with the prior art, the utility model has the advantages that: through the setting of the bidirectional screw rod, the distance between the two moving sliding tables (and the clamping seats thereon) can be conveniently adjusted, thereby adapting to workpieces of different sizes; the setting of the clamping block and the mounting slot allows the clamping block to be replaced according to the size of the columnar workpiece, thereby improving the versatility and flexibility of the tooling; the clamping block is fixed in the mounting slot through the cooperation of the limiting pin and the limiting slot, thereby simplifying the replacement process and improving work efficiency; the tooling can not only clamp columnar workpieces, but also clamp rectangular workpieces through the supporting table, thereby expanding the application range thereof; the setting of the extrusion column allows the tooling to clamp workpieces from both sides, thereby increasing the diversity of clamping modes. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the utility model;
[0017] Figure 2 It is a structural schematic view of the limiting slot of the utility model;
[0018] Figure 3 It is a structural schematic view of the clamping slot of the utility model;
[0019] Figure 4 It is a structural schematic view of the positioning column of the utility model;
[0020] Figure 5 It is a structural schematic view of the extrusion column of the utility model.
[0021] In the drawing: 1, mounting seat; 2, supporting frame; 3, limiting sliding plate; 4, bidirectional screw rod; 5, moving sliding table; 6, clamping seat; 7, supporting table; 8, mounting slot; 9, clamping block; 10, clamping slot; 11, limiting pin; 12, positioning slot; 13, limiting slot; 14, positioning hole; 15, positioning column; 16, extrusion column. DETAILED DESCRIPTION
[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0023] As shown in Figure 1 、 2 , 3, 4, 5, the present application provides a technical scheme: a CNC positioning tool, comprising: support frame 2, the middle part of support frame 2 is rotatably connected with two-way screw rod 4, one end of two-way screw rod 4 is connected with hexagonal hole in the end of support frame 2; the moving slide 5 is provided with two and symmetrically screwed on the outside of two-way screw rod 4, the top of moving slide 5 is detachably connected with clamping seat 6, one side of clamping seat 6 is provided with installation slot 8, installation slot 8 is a right triangle structure, extrusion column 16 is located in the middle of the right angle side of installation slot 8, the middle of installation slot 8 is detachably connected with clamping block 9, which is used for replacing according to the size of columnar workpiece; extrusion column 16 is screwed on the top of clamping seat 6, which is used for pressing and fixing clamping block 9 and clamping workpiece.
[0024] It should be noted that the mounting seat 1 of the present application is fixedly connected to the moving worktable of the machine tool, two extrusion columns 16 are extruded and contacted by driving two-way screw rod 4, the round origin of the clamp is found by tool setting instrument or other equipment, the origin is the center of the contact of the two extrusion columns 16, the appropriate size of clamping block 9 is selected according to the diameter size of the clamping mold, and the installation slot 8 is assembled, then the extrusion column 16 is fixedly connected to the top of the clamping seat 6 by screw, so that the extrusion column 16 presses the clamping block 9, so that the clamping block 9 is fixedly connected in the installation slot 8, when clamping, the two extrusion columns 16 are driven to move to the middle part by the two-way screw rod 4 to clamp the workpiece, when the workpiece is large, the workpiece can be placed on the top of the extrusion column 16, the clamping seat 6 is driven to move to the middle part by the two-way screw rod 4, and the workpiece is clamped and fixed by the extrusion column 16, as shown in Figure 5 .
[0025] As shown in Figure 1 、 4 , the bottom of support frame 2 is fixedly connected with mounting seat 1, a plurality of mounting holes are equidistantly arranged in the middle part of mounting seat 1, support frame 2 is a U-shaped structure, two limiting sliding plates 3 are fixedly connected to the middle part of support frame 2, and moving slide 5 is slidably connected with limiting sliding plate 3.
[0026] It needs to be explained that the utility model through the mounting hole on the mounting base 1 and the machining table of mounting base 1 machine tool are fixedly connected, and the sliding connection of movable sliding table 5 and limiting sliding plate 3 can guarantee that movable sliding table 5 is more stable when sliding outside bidirectional screw rod 4, and guarantee the stability of workpiece machining.
[0027] Please refer to Figure 4 As shown in the figure, the top of movable sliding table 5 is fixedly connected with two positioning columns 15, the bottom of clamping seat 6 is provided with holes matched with positioning column 15, and clamping seat 6 is fixedly connected with movable sliding table 5 through bolts.
[0028] It needs to be explained that the utility model installs clamping seat 6 on the outside of positioning column 15, and the bolts are screwed with positioning column 15 through clamping seat 6, so that clamping seat 6 can be replaced as required, and the stability and accuracy of clamping seat 6 installation can be guaranteed under the positioning action of positioning column 15.
[0029] Please refer to Figure 1 、 2 As shown in the figure, one side of clamping seat 6 is provided with support table 7 for supporting and clamping workpieces.
[0030] It needs to be explained that when clamping rectangular workpieces, the utility model can place the workpieces in support table 7, drive two clamping seats 6 to move towards the middle simultaneously through bidirectional screw rod 4 and movable sliding table 5, and clamp and fix the workpieces through the side edges of two support tables 7.
[0031] Please refer to Figure 1 、 2 , 3, the mounting slot 8 is V-shaped structure, the inner wall of mounting slot 8 is provided with limiting slot 13, the outside of clamping block 9 is fixedly connected with limiting pin 11 matched with limiting slot 13, one side of clamping block 9 is provided with clamping groove 10.
[0032] It needs to be explained that when the utility model replaces clamping block 9, clamping block 9 is vertically inserted into mounting slot 8, limiting pin 11 is matched with limiting slot 13 to prevent displacement and loosening, when limiting pin 11 is matched with limiting slot 13, the top of clamping block 9 is clamped in positioning slot 12, then extrusion column 16 is connected with clamping seat 6 through bolts, so that extrusion column 16 is pressed at the connecting position of clamping seat 6 and clamping block 9, thereby fixing clamping block 9 in mounting slot 8, placing the workpiece in clamping groove 10, so that the two sides of clamping groove 10 clamp the workpiece, thereby the workpiece can be fixed in the groove and prevented from rotating or sliding.
[0033] Please refer to Figure 1 、 2 , 5, the top of clamping seat 6 is provided with positioning slot 12 for positioning clamping block 9, and the top of clamping seat 6 is provided with a plurality of positioning holes 14.
[0034] It should be noted that the utility model discloses the different extrusion column 16 is fixed with the positioning hole 14 through bolt, and the extrusion column 16 can be clamped from both sides on the top of the clamping seat 6 to the workpiece.
[0035] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the restriction of the utility model.
[0036] In addition, the terms "first", "second", "third", "fourth" are only for the description purpose, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features, therefore, the features with "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.
[0037] In the utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning of the specific circumstances by the ordinary skilled in the art.
[0038] Although the embodiments of the utility model have been shown and described, it can be understood by the ordinary skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A CNC positioning fixture, characterized by: Including: Support frame (2), the middle part of support frame (2) is rotatably installed with bidirectional screw rod (4); Mobile sliding table (5) is provided with two and symmetrically threaded connections on the outside of bidirectional screw rod (4), the top of mobile sliding table (5) is detachably installed with clamping seat (6), one side of clamping seat (6) is provided with installation notch (8), the middle part of installation notch (8) is detachably installed with clamping block (9), for replacement according to the size of columnar workpiece; Extrusion column (16) is placed on the top of clamping seat (6), for pressing and fixing clamping block (9) and clamping workpiece.
2. A CNC positioning fixture according to claim 1, characterized in that: The bottom of support frame (2) is fixedly connected with mounting seat (1), a plurality of mounting holes are equidistantly formed in the middle part of mounting seat (1).
3. A CNC positioning fixture according to claim 1, characterized in that: The support frame (2) is U-shaped structure, two limiting sliding plates (3) are fixedly connected in the middle part of support frame (2), and the mobile sliding table (5) is slidably connected with the limiting sliding plates (3).
4. The CNC positioning fixture of claim 1, wherein: The top of mobile sliding table (5) is fixedly connected with two positioning columns (15), the bottom of clamping seat (6) is provided with holes matched with the positioning columns (15), and the clamping seat (6) is fixedly connected with the mobile sliding table (5) through bolts.
5. The CNC positioning fixture of claim 1, wherein: One side of clamping seat (6) is provided with supporting table (7) for supporting and clamping workpiece.
6. A CNC positioning fixture according to claim 1, characterized in that: The installation notch (8) is V-shaped structure, the inner wall of installation notch (8) is provided with limiting insertion slot (13), the outer side of clamping block (9) is fixedly connected with limiting insertion pin (11) matched with limiting insertion slot (13), and one side of clamping block (9) is provided with clamping slot (10).
7. A CNC positioning fixture according to claim 6, wherein: The top of clamping seat (6) is provided with positioning slot (12) for positioning clamping block (9), and the top of clamping seat (6) is provided with a plurality of positioning holes (14).