Clamp for CNC machining

Abstract

The utility model discloses a clamp for CNC machining, and relates to the technical field of CNC machining, the clamp comprises a support and a redirection mechanism, the redirection mechanism is arranged on the inner side of the support, the redirection mechanism comprises a redirection sliding rail, the redirection sliding rail is arranged on the inner side of the support, the inner side of the redirection sliding rail is connected with a pulley in a sliding mode, and the pulley is connected with the redirection sliding rail in a sliding mode. By means of the arrangement of the redirection mechanism, when the clamp fixes and clamps CNC machining accessories, the clamping plate is pulled to drive the transmission frame to slide on the redirection sliding rail in the support through the pulley to be adjusted to the proper direction, and effective guarantee is provided for direction adjustment of the clamp body on the clamping plate. And after the direction of the clamping plate is adjusted, fixing screws are screwed into the main fixing holes and the auxiliary fixing holes to fix the transmission frame, so that the clamping plate is fixed conveniently, finally, CNC machining accessories are placed on the clamp body to be fixed, and the use range of the CNC machining accessories is widened by adjusting the direction of the clamp body.

Description

Technical Field

[0001] The utility model relates to the technical field of CNC processing, in particular to a clamp for CNC processing. Background Art

[0002] CNC, also known as numerical control machine tool, is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, and express them in coded numbers. They are input into the numerical control device through information carriers. After calculation and processing, the numerical control device sends various control signals to control the movement of the machine tool and automatically process the parts according to the shape and size required by the drawing. During the processing of the CNC machine tool, the accessories need to be fixed and clamped, so processing fixtures are needed;

[0003] For example: Chinese utility model [CN211759926U] discloses "a clamp for CNC machining", which specifically discloses: including a base, a positioning seat connected to the base, the positioning seat fixedly connected to the upper surface of the base, the workpiece is placed on the positioning seat, and there are no less than one clamping parts evenly distributed around the positioning groove on the upper surface of the positioning seat, the clamping part and the positioning seat are detachably connected by bolts, and a force groove is formed on the side of the clamping part close to the positioning column, and the bottom of the force groove is formed with an arc that fits the side wall of the flat position, and the force groove abuts the side wall of the flat position. The utility model has high stability when clamping the workpiece, effectively reduces the displacement of the workpiece, and has the effect of simple structure and saving processing costs;

[0004] Although the above utility model patent can fix and clamp CNC-processed accessories, the orientation of the clamp is fixed and the orientation of the furniture cannot be adjusted according to usage requirements, which limits the scope of use of CNC-processed accessories and leads to insufficient clamps. Utility Model Content

[0005] The utility model aims to provide a CNC machining fixture to solve the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC machining fixture, comprising a bracket and a redirection mechanism;

[0007] A redirecting mechanism is provided on the inner side of the bracket, and the redirecting mechanism includes a redirecting slide rail. A redirecting slide rail is opened on the inner side of the bracket, and a pulley is slidably connected to the inner side of the redirecting slide rail. A transmission frame is installed above the pulley, and a main fixing hole is penetrated and connected to the inner side of the transmission frame. Secondary fixing holes are penetrated and connected on both sides of the bracket, and fixing screws are threadedly connected to the inner side of the secondary fixing holes, and a clamping plate is welded to the upper end of the transmission frame.

[0008] As a preferred technical solution, an adjusting slide rail is provided on the inner side of the clamping plate, and a sliding block is slidably connected to the inner side of the adjusting slide rail.

[0009] As a preferred technical solution, a clamp body is fixedly connected above the sliding block, and the clamp body and the sliding block are vertically distributed.

[0010] As a preferred technical solution, fixing plates are welded to both sides of the clamp body, and bolts are threadedly connected to the inner sides of the fixing plates.

[0011] As a preferred technical solution, threaded holes are provided on both sides of the clamp body located on the inner side of the clamp plate, and the number of the clamp bodies is four.

[0012] As a preferred technical solution, a mounting mechanism is provided below the bracket, the mounting mechanism includes an electric turntable, and an electric turntable is cooperatively mounted below the bracket.

[0013] As a preferred technical solution, a mounting plate is installed underneath the electric turntable, hinges are fixedly connected to both sides of the mounting plate, a mounting sheet is flipped and connected to the other side of the hinge, and a mounting hole is provided on the inner side of the mounting sheet.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model sets a redirecting mechanism. When the clamp is fixing and clamping the CNC machined parts, the clamp can be pulled to drive the transmission frame to slide and adjust to a suitable direction through the pulley on the redirecting slide rail inside the bracket, which provides effective guarantee for the direction adjustment of the clamp body on the clamp. After the clamp is adjusted in direction, the fixing screws are screwed into the main fixing holes and the auxiliary fixing holes to fix the transmission frame, so as to fix the clamp. Finally, the CNC machined parts are placed on the clamp body for fixing. By adjusting the direction of the clamp body, the use range of the CNC machined parts is improved.

[0016] 2. The utility model sets up the installation mechanism. When the clamp is fixing and clamping the CNC processing parts, the electric turntable can be started to drive the bracket to rotate automatically, thereby improving the adjustability of the bracket. At the same time, the bracket can be placed in a suitable position inside the CNC through the mounting plate, and then the mounting piece can be flipped to a suitable position through the hinge activity, and then the fixing piece can be screwed through the mounting hole to fix the bracket, thereby providing convenience for the installation of the clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a CNC machining fixture of the utility model;

[0018] Figure 2This is a schematic diagram of the overall structure of a redirection mechanism in a CNC machining fixture of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of a redirection mechanism in a CNC machining fixture of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the installation mechanism in a CNC machining fixture of the utility model;

[0021] Numbers in the figure: 1. bracket; 2. redirecting mechanism; 201. redirecting slide rail; 202. pulley; 203. transmission frame; 204. main fixing hole; 205. secondary fixing hole; 206. fixing screw; 207. clamp; 208. adjusting slide rail; 209. slider; 210. fixture body; 211. fixing plate; 212. bolt; 213. threaded hole; 3. mounting mechanism; 301. electric turntable; 302. mounting plate; 303. hinge; 304. mounting plate; 305. mounting hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0023] See also Figure 1 The utility model discloses a CNC machining fixture, comprising a bracket 1 and a redirection mechanism 2. The redirection mechanism 2 is arranged on the inner side of the bracket 1, and a mounting mechanism 3 is arranged below the bracket 1.

[0024] Among them: when the fixture is fixing and clamping the CNC processing accessories, the bracket 1 is first installed and adjusted to the appropriate position inside the CNC through the installation mechanism 3. When the bracket 1 is fixing and clamping the CNC accessories, the bracket 1 is adjusted to the appropriate direction for processing through the redirection mechanism 2.

[0025] See also Figure 1 , Figure 2 and Figure 3A CNC machining fixture, the redirection mechanism 2 includes a redirection slide rail 201, the inner side of the bracket 1 is provided with a redirection slide rail 201, the inner side of the redirection slide rail 201 is slidably connected with a pulley 202, the upper side of the pulley 202 is matched with a transmission frame 203, the inner side of the transmission frame 203 is penetrated with a main fixing hole 204, both sides of the bracket 1 are penetrated with secondary fixing holes 205, the inner side of the secondary fixing hole 205 is threadedly connected with a fixing screw 206, and the upper end of the transmission frame 203 is welded with a clamping plate 20 7. An adjusting rail 208 is provided on the inner side of the clamp plate 207, a slider 209 is slidably connected to the inner side of the adjusting rail 208, a fixture body 210 is fixedly connected to the upper side of the slider 209, the fixture body 210 and the slider 209 are vertically distributed, fixing plates 211 are welded on both sides of the fixture body 210, bolts 212 are threadedly connected to the inner side of the fixing plate 211, threaded holes 213 are provided on both sides of the fixture body 210 located on the inner side of the clamp plate 207, and there are four fixture bodies 210.

[0026] Among them: when the redirection mechanism 2 redirects the bracket 1, the CNC machined accessories are first placed inside the clamp 207, and then the various clamp bodies 210 inside the clamp 207 are pulled to fix the CNC machined accessories through the slider 209, and then the bolts 212 are screwed into the fixing plate 211 and the threaded hole 213 to fix the clamp body 210, so as to fix the clamp body 210, and then the clamp 207 is pulled to drive the transmission frame 203 to slide and adjust to a suitable direction on the redirection slide rail 201 inside the bracket 1 through the pulley 202, which provides effective guarantee for the direction adjustment of the clamp body 210 on the clamp 207, and after the clamp 207 is adjusted in direction, the fixing screws 206 are screwed into the main fixing hole 204 and the auxiliary fixing hole 205 to fix the transmission frame 203, so as to fix the clamp 207, and the use range of the CNC machined accessories is improved by adjusting the direction of the clamp body 210.

[0027] See also Figure 1 and Figure 4 A CNC machining fixture, the mounting mechanism 3 includes an electric turntable 301, the electric turntable 301 is installed under the bracket 1, and a mounting plate 302 is installed under the electric turntable 301. Hinges 303 are fixedly connected to both sides of the mounting plate 302, and the other side of the hinge 303 is flipped and connected to a mounting piece 304, and a mounting hole 305 is opened on the inner side of the mounting piece 304.

[0028] Among them: when the mounting mechanism 3 is fixing the bracket 1, firstly, the mounting plate 302 is moved to place the bracket 1 at a suitable position inside the CNC, and then the mounting piece 304 is flipped to a suitable position through the hinge 303, and then the fixing piece is screwed into the mounting hole 305 to fix the bracket 1, thereby providing convenience for the installation of the fixture. When the fixture is fixing and clamping the CNC processing parts, the electric turntable 301 can be started to drive the bracket 1 to rotate automatically, thereby improving the adjustability of the bracket 1;

[0029] The working principle of the utility model is as follows: when the clamp is fixing and clamping the CNC processing parts, the bracket 1 is first placed in a suitable position inside the CNC, and then the mounting plate 304 is flipped to a suitable position through the hinge 303, and then the fixing piece is screwed into the mounting hole 305 to fix the bracket 1, and then the CNC processing parts are placed inside the clamp 207, and then the clamp bodies 210 inside the clamp 207 are pulled to fix the CNC processing parts through the slider 209, and then the bolts 212 are screwed into the fixing plate 211 and the threaded hole 213 to fix them. The tool body 210 is fixed, and then the clamping plate 207 is pulled to drive the transmission frame 203 to slide and adjust to the appropriate direction on the redirecting slide rail 201 inside the bracket 1 through the pulley 202. After the clamping plate 207 is adjusted in direction, the fixing screws 206 are screwed into the main fixing hole 204 and the auxiliary fixing hole 205 to fix the transmission frame 203, so as to fix the clamping plate 207. At the same time, the electric turntable 301 can be started to drive the bracket 1 to rotate automatically to process the fixed accessories. This is the working principle and workflow of this CNC processing fixture.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A CNC machining fixture, characterized in that: It comprises a bracket (1) and a redirecting mechanism (2); A redirection mechanism (2) is arranged on the inner side of the bracket (1), and the redirection mechanism (2) comprises a redirection slide rail (201). A redirection slide rail (201) is provided on the inner side of the bracket (1), and a pulley (202) is slidably connected to the inner side of the redirection slide rail (201), and a transmission frame (203) is installed above the pulley (202), and a main fixing hole (204) is penetrated and connected to the inner side of the transmission frame (203), and auxiliary fixing holes (205) are penetrated and connected to both sides of the bracket (1), and fixing screws (206) are threadedly connected to the inner side of the auxiliary fixing holes (205), and a clamping plate (207) is welded and connected to the upper end of the transmission frame (203).

2. A CNC machining fixture according to claim 1, characterized in that: An adjusting slide rail (208) is provided on the inner side of the clamping plate (207), and a sliding block (209) is slidably connected to the inner side of the adjusting slide rail (208).

3. A CNC machining fixture according to claim 2, characterized in that: A clamp body (210) is fixedly connected above the sliding block (209), and the clamp body (210) and the sliding block (209) are vertically distributed.

4. A CNC machining fixture according to claim 3, characterized in that: Both sides of the clamp body (210) are welded with fixing plates (211), and the inner side of the fixing plates (211) is threadedly connected with bolts (212).

5. A CNC machining fixture according to claim 4, characterized in that: Threaded holes (213) are provided on the inner sides of the clamp plate (207) at two sides of the clamp body (210), and the number of the clamp bodies (210) is four.

6. The CNC machining fixture according to claim 1, characterized in that: A mounting mechanism (3) is provided below the bracket (1), the mounting mechanism (3) comprising an electric turntable (301), and the electric turntable (301) is cooperatively mounted below the bracket (1).

7. A CNC machining fixture according to claim 6, characterized in that: A mounting plate (302) is mounted below the electric turntable (301), hinges (303) are fixedly connected to both sides of the mounting plate (302), and a mounting sheet (304) is flipped and connected to the other side of the hinge (303), and a mounting hole (305) is provided on the inner side of the mounting sheet (304).

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