CNC (computer numerical control) magnet machining jig

Abstract

The utility model belongs to the technical field of magnet jigs, and particularly discloses a CNC machining magnet jig which comprises a base, a profiling bottom plate and a profiling pressing plate, the top face of the base is fixedly connected with the profiling bottom plate through supporting plates which are symmetrically arranged, an air cylinder is installed in the center of the top face of the base, and the profiling pressing plate is fixedly connected with the profiling bottom plate. A movable frame is fixedly connected to the piston rod end of the air cylinder through a bolt, an electromagnet used for adsorbing a machined workpiece is clamped and fixed in the movable frame, a plastic pad is clamped between the profiling bottom plate and the profiling pressing plate, and the four corners of the profiling bottom plate and the four corners of the profiling pressing plate are detachably connected through fixing assemblies. Through the fixing assemblies arranged at the four corners between the profiling bottom plate and the profiling pressing plate, disassembly and assembly between the profiling bottom plate and the profiling pressing plate are facilitated, cost is low, and product practicability is improved.

Description

Technical Field

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

[0002] A magnet fixture is a tool used to fix and position workpieces, usually consisting of a magnet and a bracket. CNC machining can be used to process various materials, including metal, plastic, wood, etc. It is widely used in aerospace, automotive, electronics, medical and other fields, especially the housing of electronic products, which requires high precision and high efficiency.

[0003] There are many products on the market, such as a CNC electromagnet fixture with a clamping function with publication number CN215239510U, which includes a contoured base, a contoured pressure plate, an electromagnet, and a magnetic conductive block. The contoured base is fixedly arranged on the upper surface of the electromagnet, and a receiving groove for accommodating a workpiece is arranged in the middle of the contoured base. The workpiece is adsorbed on the electromagnet, and a magnetic conductive block is fixed on the contoured pressure plate. The contoured pressure plate is adsorbed on the workpiece through the magnetic conductive block.

[0004] The utility model facilitates the adsorption and removal of workpieces through an electro-permanent magnet that can be electrically controlled to magnetize and demagnetize. The profiling base and profiling pressure plate of different specifications can be replaced according to different workpieces. However, the use of a magnetic conductive block to adsorb the profiling pressure plate on the workpiece is easily disturbed by the external magnetic field, and the cost and maintenance fee are very high. In view of this, we propose a CNC machining magnet fixture. Utility Model Content

[0005] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a CNC machining magnet jig.

[0006] In the first aspect, the present application provides a CNC machining magnet jig, comprising a base, a contoured base plate, and a contoured pressure plate, wherein the top surface of the base is fixedly connected to the contoured base plate through symmetrically arranged support plates, a cylinder is installed at the center of the top surface of the base, the piston rod end of the cylinder is fixedly connected to a movable frame by bolts, an electromagnet for adsorbing a workpiece for processing is clamped and fixed in the movable frame, a plastic pad is sandwiched between the contoured base plate and the contoured pressure plate, and the contoured base plate and the contoured pressure plate are detachably connected at four corners through fixing components.

[0007] According to the technical solution provided in the embodiment of the present application, the fixing assembly includes a mounting tube and a fixing plate fixedly connected to the bottom corner of the contoured base plate by screws, the top end of the mounting tube is welded and fixed to the side wall of the contoured base plate, and a fixing rod is symmetrically installed on the top surface of the fixing plate.

[0008] According to the technical solution provided in the embodiment of the present application, the outer walls of the two fixing rods are slidably connected with a same sliding block, and a spring is sandwiched between the sliding block and the fixing plate.

[0009] According to the technical solution provided in the embodiment of the present application, a pull plate is integrally formed on the side wall of the slider, and an insert block is installed at one end of the slider away from the spring, and the insert block can be plugged and fixed with the contoured pressure plate.

[0010] According to the technical solution provided in the embodiment of the present application, the bottom surface of the contoured pressure plate is provided with a plug-in hole for accommodating the plug-in and fixation of the plug-in block, and a reserved groove is provided at the center of the contoured pressure plate to facilitate the adsorption of the electromagnet.

[0011] According to the technical solution provided in the embodiment of the present application, the movable frame is located between the base and the contoured bottom plate, and the frame opening size of the movable frame is adapted to the size of the electromagnet.

[0012] According to the technical solution provided in the embodiment of the present application, mounting grooves for connecting to external components are provided at the four corners of the base, and the cylinder is fixedly connected to the center of the top surface of the base by bolts.

[0013] In summary, the technical solution specifically discloses a CNC machining magnet jig, which includes a base, a movable frame, a contoured bottom plate, a contoured pressure plate, and a fixed component; the movable frame is driven up and down by a cylinder so that the electromagnet fixed in the movable frame can conveniently adsorb or remove the processed workpiece; the fixed components arranged at the four corners between the contoured bottom plate and the contoured pressure plate facilitate disassembly and assembly between the two with low cost, thereby improving the practicality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the base structure in the utility model;

[0017] Figure 3 It is an exploded view of a local structure in the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the profiling pressing plate in the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of the fixing component in the utility model;

[0020] Figure 6It is an exploded view of the fixed component structure in the utility model.

[0021] In the figure: 1. base; 11. mounting groove; 12. cylinder; 2. support plate; 3. movable frame; 31. electromagnet; 4. contoured bottom plate; 5. plastic pad; 6. contoured pressure plate; 61. plug-in hole; 7. fixing assembly; 71. fixing plate; 72. fixing rod; 73. slider; 74. spring; 75. pull plate; 76. mounting tube; 77. plug-in block. DETAILED DESCRIPTION

[0022] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] See also Figure 1-Figure 6 , a CNC machining magnet jig includes a support plate 2 symmetrically arranged on the top surface of a base 1 and fixedly connected to a profiling base plate 4, a cylinder 12 is installed at the center of the top surface of the base 1, and the piston rod end of the cylinder 12 is fixedly connected to a movable frame 3 by bolts, and an electromagnet 31 for adsorbing and processing workpieces is fixed in the movable frame 3, a plastic pad 5 is sandwiched between the profiling base plate 4 and the profiling pressure plate 6, and the four corners of the profiling base plate 4 and the profiling pressure plate 6 are detachably connected through a fixing assembly 7, and the fixing assembly 7 arranged at the four corners between the profiling base plate 4 and the profiling pressure plate 6 is convenient for disassembly and assembly between the two with low cost, thereby improving the practicality of the product.

[0025] In this embodiment, the fixing assembly 7 includes a mounting tube 76 and a fixing plate 71 fixedly connected to the bottom corner of the contoured base plate 4 by screws. The top end of the mounting tube 76 is welded and fixed to the side wall of the contoured base plate 4. A fixing rod 72 is symmetrically installed on the top surface of the fixing plate 71 to facilitate the fixation of the structure.

[0026] Then, the outer walls of the two fixing rods 72 are slidably connected with a same slider 73 , and a spring 74 is sandwiched between the slider 73 and the fixing plate 71 , and the movement of the insert block 77 is limited by the spring 74 , so that the insert block 77 is fixed to the contoured pressure plate 6 .

[0027] Next, a pull plate 75 is integrally formed on the side wall of the slider 73 , and an insert block 77 is installed at one end of the slider 73 away from the spring 74 . The insert block 77 can be plugged and fixed to the contoured pressing plate 6 , thus saving costs.

[0028] It should be noted that the bottom surface of the profiling pressing plate 6 is provided with an insertion hole 61 for accommodating the insertion block 77 to be inserted and fixed, and a reserved groove is provided at the center of the profiling pressing plate 6 to facilitate the electromagnet 31 to adsorb the workpiece.

[0029] It should be noted that the movable frame 3 is located between the base 1 and the contoured bottom plate 4, and the frame opening size of the movable frame 3 is adapted to the size of the electromagnet 31, so as to facilitate the normal use of the structure.

[0030] It should be added that mounting grooves 11 for connecting with external components are provided at the four corners of the base 1, and the cylinder 12 is fixedly connected to the center of the top surface of the base 1 by bolts, thereby improving the practicability of the product.

[0031] Working principle: When using this CNC machining magnet fixture, the user first places the workpiece in the center of the profiling base plate 4, then starts the cylinder 12 to allow the electromagnet 31 to adsorb the workpiece, and then places the plastic pad 5 and the profiling pressure plate 6 on the top of the profiling base plate 4, and fixes them by plugging in the plug block 77.

[0032] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A CNC magnet processing jig, comprising a base (1), a contoured bottom plate (4), and a contoured pressing plate (6), characterized in that: The top surface of the base (1) is fixedly connected to the profiling base plate (4) via a symmetrically arranged support plate (2); a cylinder (12) is installed at the center of the top surface of the base (1); the piston rod end of the cylinder (12) is fixedly connected to a movable frame (3) via bolts; an electromagnet (31) for adsorbing a workpiece for processing is fixedly connected inside the movable frame (3); a plastic pad (5) is sandwiched between the profiling base plate (4) and the profiling pressure plate (6); and the four corners of the profiling base plate (4) and the profiling pressure plate (6) are detachably connected via a fixing assembly (7).

2. The CNC magnet processing jig according to claim 1, characterized in that: The fixing assembly (7) comprises a mounting tube (76) and a fixing plate (71) fixedly connected to the bottom corner of the profiling base plate (4) by screws, the top end of the mounting tube (76) is welded and fixed to the side wall of the profiling base plate (4), and a fixing rod (72) is symmetrically mounted on the top surface of the fixing plate (71).

3. The CNC magnet processing jig according to claim 2, characterized in that: The outer walls of the two fixing rods (72) are slidably connected with a same sliding block (73), and a spring (74) is sandwiched between the sliding block (73) and the fixing plate (71).

4. The CNC magnet processing jig according to claim 3, characterized in that: A pull plate (75) is integrally formed on the side wall of the slider (73), and an insert block (77) is installed at one end of the slider (73) away from the spring (74), and the insert block (77) can be plugged and fixed to the contoured pressure plate (6).

5. The CNC magnet processing jig according to claim 4, characterized in that: The bottom surface of the profiling pressing plate (6) is provided with an insertion hole (61) for accommodating the insertion block (77) for insertion and fixing, and the center of the profiling pressing plate (6) is provided with a reserved groove which is helpful for the adsorption of the electromagnet (31).

6. The CNC magnet processing jig according to claim 1, characterized in that: The movable frame (3) is located between the base (1) and the contoured bottom plate (4), and the frame opening size of the movable frame (3) is adapted to the size of the electromagnet (31).

7. The CNC magnet processing jig according to claim 1, characterized in that: The base (1) is provided with mounting grooves (11) at four corners for connection with external components, and the cylinder (12) is fixedly connected to the center of the top surface of the base (1) by bolts.

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