Automatic clamp for numerical control milling

Abstract

The utility model provides a numerical control milling automatic clamp, and belongs to the technical field of numerical control milling machines. The numerical control milling automatic clamp comprises a moving assembly and a rotating assembly, hydraulic cylinders are correspondingly arranged on one side of a bottom plate, lifting pieces are arranged at one ends of the hydraulic cylinders and make contact with the bottom plate, firstly, clamping plates move relatively through the two hydraulic cylinders, and a workpiece can be clamped and fixed through the two clamping plates; the workpiece clamping device has the advantages that the workpiece clamping device is simple in structure, the buffering effect can be achieved through the buffering plate, damage to the surface of a workpiece caused by clamping force can be prevented, the height of the clamped workpiece can be adjusted through the lifting part, the buffering plate and the clamping plate can rotate through the first motor, and therefore the workpiece can rotate; different faces of a workpiece can be conveniently machined, then the workpiece can be conveniently rotated to other surfaces, the purpose of rapid milling is conveniently achieved, meanwhile, some workpieces made of soft materials can be prevented from being damaged, and therefore practicability is improved.

Description

Technical Field

[0001] The present application relates to the field of CNC milling machines, and in particular to a CNC milling automatic fixture. Background Art

[0002] With the rapid development of CNC technology, the high precision, high speed, and compound characteristics of CNC milling machines are becoming more and more obvious, and their role in production and processing is becoming more and more important. They have been widely used in manufacturing enterprises. In the application process of CNC milling machines, program adjustment, tool preparation, fixture preparation, and workpiece inspection occupy a large proportion of time, which is an important factor affecting the processing efficiency of CNC machine tools. For example, an automatic fixture for a CNC milling machine with Chinese patent application number CN202021576874.9 includes: a base, a feed handle, a feed screw, a feed slide, a movable baffle, a fixed baffle, and a positioning device. The fixed baffle is located at the bottom The top of the seat is connected to the rear protruding plate on the base by bolts, one end of the feed handle is located in the groove of the feed screw, the feed screw passes through the front protruding plate of the base, the feed slide plate is located on the top of the base, the movable baffle is located behind the feed slide plate and is connected to the feed slide plate by bolts, and the positioning device is located on the right rear side above the base; Beneficial effect: a positioning device is added to the fixture, when the CNC milling machine is processing the same workpiece, the workpiece is fixed in the same position under the action of the positioning device, and there is no need to reposition when replacing the same workpiece, which saves a lot of time required for repositioning when replacing the same workpiece, and increases the processing efficiency of the CNC machine tool.

[0003] However, the above scheme still has certain defects: first, it can only achieve clamping, and it is not convenient to rotate the workpiece to other surfaces, and it is not convenient to achieve the purpose of rapid milling; secondly, the clamps are mostly hard clamping, which can easily cause damage to some workpieces with softer materials, thereby reducing practicality. Utility Model Content

[0004] In order to make up for the above shortcomings, the present application provides a CNC milling automatic fixture, which aims to improve the problem in the related technology that it is inconvenient to rotate the workpiece to other surfaces and to achieve the purpose of rapid milling. Secondly, the fixtures are mostly hard clamping, which can easily cause damage to some workpieces made of softer materials, thereby reducing the practicality.

[0005] An embodiment of the present application provides a CNC milling automatic fixture including a moving component and a rotating component.

[0006] The moving component includes a base plate, a hydraulic cylinder and a lifting member, the hydraulic cylinder is correspondingly arranged on one side of the base plate, the lifting member is arranged at one end of the hydraulic cylinder, and the lifting member is in contact with the base plate. The rotating component includes a frame, a first motor, a buffer plate and a clamping plate, the frame is arranged on one side of the lifting member, the first motor is arranged inside the frame, the buffer plate is rotatably connected to the frame, the buffer plate is fixedly connected to the output end of the first motor, and the clamping plate is fixedly connected to the buffer plate.

[0007] In a specific embodiment, a collecting tank is provided on one side of the bottom plate.

[0008] In the above implementation process, a collecting groove is provided on one side of the bottom plate, and the collecting groove can collect the debris generated during the processing of the workpiece.

[0009] In a specific implementation manner, a fixing seat is correspondingly provided on one side of the base plate, and the hydraulic cylinder is fixedly connected to the fixing seat.

[0010] In the above implementation process, a fixing seat is correspondingly provided on one side of the bottom plate, and the fixing seat can play a role in supporting the hydraulic cylinder.

[0011] In a specific embodiment, the lifting member includes a vertical plate, a second motor, a screw rod and a screw block. The second motor is arranged at one end of the vertical plate. The screw rod is rotatably connected to the vertical plate. The screw rod is fixedly connected to the output end of the second motor. The screw block is threadedly connected to the screw rod.

[0012] In the above implementation process, the user can start the second motor, and the second motor can drive the screw rod to rotate. The rotation of the screw rod can drive the screw block to move, thereby driving the frame to adjust its height.

[0013] In a specific implementation, a limiting groove is provided inside the vertical plate, and the screw block is slidably connected to the limiting groove.

[0014] In the above implementation process, a limiting groove is provided inside the vertical plate, and the limiting groove can play a limiting role.

[0015] In a specific embodiment, the buffer plate includes a connecting plate and an elastic member, and a plurality of the elastic members are arranged on one side of the connecting plate.

[0016] In the above implementation process, the connecting plate can play a connecting role, and the elastic member can provide a buffering effect.

[0017] In a specific implementation, the elastic member includes a fixed block, a support block and a spring, the support block is slidably connected to the fixed block, the spring is arranged inside the fixed block, and the spring is fixedly connected to the support block.

[0018] In the above implementation process, the fixing block and the supporting block play a role of limiting, and the spring can play a role of providing elastic force.

[0019] In a specific embodiment, a cavity is provided inside the fixing block, and the supporting block is slidably connected to the cavity.

[0020] In the above implementation process, a cavity is provided inside the fixing block, and the cavity can play a role of limiting.

[0021] Compared with the prior art, the beneficial effects of the present application are as follows: first, the two hydraulic cylinders are used to make the clamps move relative to each other, the two clamps can clamp and fix the workpiece, and the buffer plate can play a buffering role to prevent the clamping force from causing damage to the workpiece surface; secondly, the lifting member can make the height of the clamped workpiece adjustable, and then the first motor can make the buffer plate and the clamps rotate, so that the workpiece can be rotated, which is convenient for processing different surfaces of the workpiece, and then convenient for rotating the workpiece to other surfaces, so as to achieve the purpose of rapid milling, and at the same time, it can prevent damage to some workpieces with softer materials, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 This is a schematic diagram of the structure of a CNC milling automatic fixture from a first perspective provided in an embodiment of the present application;

[0024] Figure 2 A schematic diagram of the lifting member structure provided for the implementation mode of the present application;

[0025] Figure 3 A schematic diagram of the structure of a buffer plate provided in an embodiment of the present application;

[0026] Figure 4 This is a schematic structural diagram of the elastic member from a second perspective provided in an embodiment of the present application.

[0027] In the figure: 100-moving component; 110-bottom plate; 111-collecting tank; 112-fixed seat; 120-hydraulic cylinder; 130-lifting member; 131-vertical plate; 1311-limiting groove; 132-second motor; 133-screw; 134-screw block; 200-rotating component; 210-frame; 220-first motor; 230-buffer plate; 231-connecting plate; 232-elastic member; 2321-fixed block; 2322-support block; 2323-spring; 2324-cavity; 240-clamp. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0029] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0030] See also Figure 1-4 The present application provides a CNC milling automatic fixture including a moving component 100 and a rotating component 200. The moving component 100 can play a pushing role, and the rotating component 200 can play a clamping and flipping role.

[0031] See also Figure 1-2 The moving component 100 includes a base plate 110, a hydraulic cylinder 120 and a lifting member 130. The hydraulic cylinder 120 is correspondingly arranged on one side of the base plate 110, and the lifting member 130 is arranged at one end of the hydraulic cylinder 120. The lifting member 130 is in contact with the base plate 110. A collecting groove 111 is arranged on one side of the base plate 110. The collecting groove 111 can collect debris generated during the processing of the workpiece. A fixed seat 112 is correspondingly arranged on one side of the base plate 110. The hydraulic cylinder 120 is fixedly connected to the fixed seat 112. The fixed seat 112 can support the hydraulic cylinder 120.

[0032] In some specific embodiments, the lifting member 130 includes a vertical plate 131, a second motor 132, a screw 133 and a screw block 134. The second motor 132 is arranged at one end of the vertical plate 131, the screw 133 is rotatably connected to the vertical plate 131, the screw 133 is fixedly connected to the output end of the second motor 132, and the screw block 134 is threadedly connected to the screw 133. The user can start the second motor 132, and the second motor 132 can drive the screw 133 to rotate. The rotation of the screw 133 can drive the screw block 134 to move, thereby driving the frame 210 to adjust the height. A limiting groove 1311 is arranged inside the vertical plate 131, and the screw block 134 is slidably connected to the limiting groove 1311. The setting of the limiting groove 1311 can play a limiting role.

[0033] See also Figure 1 , Figure 3 and Figure 4 The rotating assembly 200 includes a frame 210, a first motor 220, a buffer plate 230 and a clamping plate 240. The frame 210 is arranged on one side of the lifting member 130, the first motor 220 is arranged inside the frame 210, the buffer plate 230 is rotatably connected to the frame 210, the buffer plate 230 is fixedly connected to the output end of the first motor 220, the clamping plate 240 is fixedly connected to the buffer plate 230, the buffer plate 230 includes a connecting plate 231 and an elastic member 232, and a plurality of elastic members 232 are arranged on one side of the connecting plate 231. The connecting plate 231 can play a connecting role, and the elastic member 232 can provide a buffering effect.

[0034] In some specific embodiments, the elastic member 232 includes a fixed block 2321, a support block 2322 and a spring 2323. The support block 2322 is slidably connected to the fixed block 2321, and the spring 2323 is arranged inside the fixed block 2321. The spring 2323 is fixedly connected to the support block 2322, and plays a limiting role through the fixed block 2321 and the support block 2322. The spring 2323 can play a role in providing elastic force. A cavity 2324 is arranged inside the fixed block 2321, and the support block 2322 is slidably connected to the cavity 2324. The setting of the cavity 2324 can play a limiting role.

[0035] The working principle of the CNC milling automatic clamp is as follows: the user can start the hydraulic cylinder 120, and the two hydraulic cylinders 120 make the clamping plates 240 move relative to each other. The two clamping plates 240 can clamp and fix the workpiece, and the buffer plate 230 can play a buffering role to prevent the clamping force from causing damage to the workpiece surface. The user can start the second motor 132, and the second motor 132 can drive the screw 133 to rotate. The rotation of the screw 133 can drive the screw block 134 to move, thereby driving the frame 210 to adjust the height, and the height of the clamped workpiece can be adjusted. Then, the first motor 220 can make the buffer plate 230 and the clamping plate 240 rotate, so that the workpiece can be rotated, which is convenient for processing different surfaces of the workpiece, and then it is convenient to rotate the workpiece to other surfaces, so as to achieve the purpose of rapid milling, and at the same time, it can prevent damage to some workpieces with softer materials, thereby improving practicality.

[0036] It should be noted that the specific models and specifications of the hydraulic cylinder 120, the second motor 132 and the first motor 220 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail.

[0037] The power supply and principles of the hydraulic cylinder 120 , the second motor 132 , and the first motor 220 are clear to those skilled in the art and will not be described in detail herein.

[0038] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0039] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A CNC milling automatic fixture, characterized in that: include A moving assembly (100), the moving assembly (100) comprising a base plate (110), a hydraulic cylinder (120) and a lifting member (130), the hydraulic cylinder (120) being arranged correspondingly on one side of the base plate (110), the lifting member (130) being arranged at one end of the hydraulic cylinder (120), and the lifting member (130) being in contact with the base plate (110); A rotating assembly (200), the rotating assembly (200) comprising a frame (210), a first motor (220), a buffer plate (230) and a clamping plate (240), the frame (210) being arranged on one side of the lifting member (130), the first motor (220) being arranged inside the frame (210), the buffer plate (230) being rotatably connected to the frame (210), the buffer plate (230) being fixedly connected to an output end of the first motor (220), and the clamping plate (240) being fixedly connected to the buffer plate (230).

2. A CNC milling automatic fixture according to claim 1, characterized in that: A collecting tank (111) is provided on one side of the bottom plate (110).

3. The CNC milling automatic fixture according to claim 1, characterized in that: A fixing seat (112) is correspondingly provided on one side of the bottom plate (110), and the hydraulic cylinder (120) is fixedly connected to the fixing seat (112).

4. The CNC milling automatic fixture according to claim 1, characterized in that: The lifting member (130) comprises a vertical plate (131), a second motor (132), a screw rod (133) and a screw block (134); the second motor (132) is arranged at one end of the vertical plate (131); the screw rod (133) is rotatably connected to the vertical plate (131); the screw rod (133) is fixedly connected to the output end of the second motor (132); and the screw block (134) is threadedly connected to the screw rod (133).

5. The CNC milling automatic fixture according to claim 4, characterized in that: A limiting groove (1311) is provided inside the vertical plate (131), and the screw block (134) is slidably connected to the limiting groove (1311).

6. The CNC milling automatic fixture according to claim 1, characterized in that: The buffer plate (230) comprises a connecting plate (231) and an elastic member (232), and a plurality of the elastic members (232) are arranged on one side of the connecting plate (231).

7. The CNC milling automatic fixture according to claim 6, characterized in that: The elastic member (232) comprises a fixed block (2321), a support block (2322) and a spring (2323); the support block (2322) is slidably connected to the fixed block (2321); the spring (2323) is arranged inside the fixed block (2321); and the spring (2323) is fixedly connected to the support block (2322).

8. The CNC milling automatic fixture according to claim 7, characterized in that: A cavity (2324) is provided inside the fixing block (2321), and the supporting block (2322) is slidably connected to the cavity (2324).

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