Clamp for numerical control machine tool

Abstract

The utility model relates to the technical field of clamps for numerical control machine tools, and discloses a clamp for a numerical control machine tool, which comprises a machining table, supporting blocks are fixedly connected to the left end and the right end of the front side of the machining table, a fixing plate is fixedly connected to the tops of the supporting blocks, and an L-shaped plate is fixedly connected to the middle of the front side of the fixing plate. An air cylinder is fixedly connected to the top of the rear side of the L-shaped plate, a rotating rod is fixedly connected to the output end of the air cylinder, a movable rotating plate is rotationally connected to the rear end of the rotating rod, and a conical plate is rotationally connected to the rear side of the movable rotating plate. According to the numerical control machine tool clamp, the limiting columns fixed to the top of the machining table are clamped through the holes, and finally the long plate is pressed and fixed to the top of the machining table, so that it can be ensured that in the using process of the numerical control machine tool clamp, the situation that the long plate of a clamped object deviates and shakes is avoided, and the stability of the clamp is improved; and daily use requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture for numerical control machine tool, especially relates to a fixture for numerical control machine tool. BACKGROUND

[0002] The positioning element of the fixture for numerical control machine tool is mainly used for determining the accurate position of the workpiece in the fixture, the common positioning modes have plane positioning, cylindrical surface positioning and conical surface positioning, the plane positioning is realized through the contact between the positioning plane on the fixture and the bottom surface and side surface of the workpiece, the cylindrical surface positioning utilizes the positioning pin and positioning sleeve in the fixture to cooperate with the cylindrical hole on the workpiece, and the center position of the workpiece can be accurately determined, the conical surface positioning is mainly used for the workpiece with the conical hole and conical shaft, and high-precision positioning is realized through the close cooperation of the conical surfaces, meanwhile, the fixture base is the basic part of the whole fixture, is usually manufactured from high-strength cast iron and steel material, the cast iron base has good shock absorption and stability, can absorb the vibration generated in the machining process of the numerical control machine tool, and reduces the influence on machining precision.

[0003] The most common fixture is through the manual clamping device, which is mainly composed of a screw rod, a nut and a pressing plate. The pressing plate is moved towards the workpiece by rotating the screw rod, so that the workpiece is clamped. The advantages of this clamping mode are simple structure, large clamping force, and the size of the clamping force can be adjusted by controlling the rotation angle of the screw rod, but the existing numerical control machine tool fixture cannot stably clamp the workpiece when in use, the workpiece is prone to displacement in the machining process, and when milling is carried out, the cutter exerts a cutting force on the workpiece, the unstable clamping can cause the workpiece to move slightly in the fixture, so that the size and position precision of the machined parts cannot be guaranteed, thereby seriously affecting the assembly performance and use function of the parts. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a fixture for numerical control machine tool, which aims at improving the problems in the prior art that the workpiece is prone to displacement in the machining process, and when milling is carried out, the unstable clamping can cause the workpiece to move slightly in the fixture, thereby seriously affecting the assembly performance and use function of the parts.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: A kind of fixture for numerical control machine tool, including processing table, the front side left and right ends of the processing table are fixedly connected with support block, the top of the support block is fixedly connected with fixed plate, the front side middle part of the fixed plate is fixedly connected with L-shaped plate, the rear top of the L-shaped plate is fixedly connected with cylinder, the output end of the cylinder is fixedly connected with rotating rod, the rear end of the rotating rod is rotatably connected with moving rotary plate, the rear of the moving rotary plate is rotatably connected with conical plate, the bottom rear of the conical plate is rotatably connected with pressing plate, the middle part of the bottom surface of the conical plate is rotatably connected with rotating shaft, the bottom of the rotating shaft is fixedly connected with the top rear of fixed plate, the outer wall of the processing table is provided with mounting mechanism, and the mounting mechanism is used to quickly disassemble and assemble fixture.

[0006] As further description of the above technical solution:

[0007] The mounting mechanism includes support plate, the bottom of the support plate is fixedly connected to the top rear of processing table, the rear of the support plate is fixedly connected with connecting plate, the front of the connecting plate is screw-connected with screw knob, the outer wall of the processing table is provided with arc-shaped slot, the inner side of the arc-shaped slot is fixedly connected with hollow rod, and the inner side of the hollow rod is slidably connected with T-shaped rod.

[0008] As further description of the above technical solution:

[0009] The top front of the processing table is provided with elongated plate, the top of the elongated plate is provided with hole, the top of the processing table is fixedly connected with limiting column, and the inner side of the limiting column is attached to the outer wall of hole.

[0010] As further description of the above technical solution:

[0011] The middle part of the bottom surface of the processing table is fixedly connected with a plurality of anti-skid strips two, and the bottom of the anti-skid strips two is fixedly connected with transverse plate.

[0012] As further description of the above technical solution:

[0013] The left and right sides of the bottom of the processing table are fixedly connected with anti-skid strips one, and the bottom of the anti-skid strips one is fixedly connected with bottom plate.

[0014] As further description of the above technical solution:

[0015] The outer wall of the support plate is fixedly connected with protection block, the rear middle part of the connecting plate is fixedly connected with anti-skid pad, and the rear left and right ends of the connecting plate are fixedly connected with anti-skid plate.

[0016] As further description of the above technical solution:

[0017] The long strip is fixedly connected to the middle part of the rear side of the top surface of the processing table.

[0018] As a further description of the above technical solution:

[0019] The L-shaped friction plate is fixedly connected to the left and right ends of the front side of the long plate.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In the utility model, the L-shaped plate is fixedly connected to the cylinder, the moving plate and the conical plate are moved backward by starting the cylinder, and the moving plate and the conical plate are limited to rotate by the outer wall of the rotating shaft and the conical plate, and finally the long plate is pressed and fixed on the top of the processing table, so that the numerical control machine tool clamp can be used in the use process, the offset shaking of the long plate of the clamped object is avoided, the stability of the clamp is improved, and the daily use demand is met.

[0022] 2. In the utility model, the hollow rod is installed in the arc-shaped groove of the outer wall of the processing table, the processing table is lifted, the connecting plate is fixed on the top rear side of the processing table through the supporting plate, and finally the corresponding threaded knob is lifted to the fixed frame, so that the clamp can be disassembled and assembled in a short time, the clamp can be in a horizontal state during installation, the inclination is avoided, and the use effect of the clamp is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A front side perspective view of the clamp for a numerical control machine tool is provided.

[0024] Figure 2 A partial structure diagram of the clamp for a numerical control machine tool is provided.

[0025] Figure 3 A partial structure diagram of the clamp for a numerical control machine tool is provided.

[0026] Figure 4 A partial structure split display diagram of the clamp for a numerical control machine tool is provided.

[0027] Figure 5 A bottom view of the clamp for a numerical control machine tool is provided.

[0028] LEGEND:

[0029] 1, processing platform; 2, mounting mechanism; 201, T-shaped rod; 202, support plate; 203, connecting plate; 204, screw knob; 205, arc-shaped groove; 206, hollow rod; 3, long strip; 4, protection block; 5, long plate; 6, fixed plate; 7, air cylinder; 8, L-shaped plate; 9, rotating rod; 10, moving rotating plate; 11, conical plate; 12, pressing plate; 13, rotating shaft; 14, support block; 15, L-shaped friction plate; 16, hole; 17, non-slip pad; 18, non-slip plate; 19, bottom plate; 20, non-slip strip one; 21, cross plate; 22, non-slip strip two; 23, limiting column. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Please refer to the drawings in the embodiments of the utility model Figure 1 - the drawings in the embodiments of the utility model Figure 2 An embodiment provided by the utility model: a kind of fixture for numerical control machine tool, including processing platform 1, the front side left and right ends of processing platform 1 are fixedly connected with support block 14, the top of support block 14 is fixedly connected with fixed plate 6, the front side middle part of fixed plate 6 is fixedly connected with L-shaped plate 8, the rear side top of L-shaped plate 8 is fixedly connected with air cylinder 7, the output end of air cylinder 7 is fixedly connected with rotating rod 9, the rear end of rotating rod 9 is rotatably connected with moving rotating plate 10, the rear side of moving rotating plate 10 is rotatably connected with conical plate 11, the bottom rear side of conical plate 11 is rotatably connected with pressing plate 12, the middle part of the bottom surface of conical plate 11 is rotatably connected with rotating shaft 13, the bottom of rotating shaft 13 is fixedly connected with the top rear side of fixed plate 6, the outer wall of processing platform 1 is provided with mounting mechanism 2, mounting mechanism 2 is used for the quick disassembly and assembly of fixture, the middle part of the bottom surface of processing platform 1 is fixedly connected with a plurality of non-slip strip two 22, the bottom of non-slip strip two 22 is fixedly connected with cross plate 21;

[0032] Specifically, the front side of the processing table 1 is fixedly connected to the support block 14, which provides a stable support base, ensuring stability during processing. The top of the support block 14 is fixedly connected to the fixed plate 6, making the entire device more compact. The rear top of the L-shaped plate 8 is fixedly connected to a gas cylinder 7. The rotating rod 9 converts the power of the gas cylinder 7 into rotary motion, enabling precise motion control of the entire device. The rear end of the rotating rod 9 is provided with a moving plate 10 for more flexible motion conversion. The rotating shaft 13 is provided to enable the cone-shaped plate 11 and the pressing plate 12 to rotate around it, supporting the rotation of the entire motion system. The bottom of the rotating shaft 13 is fixedly connected to the top rear side of the fixed plate 6.

[0033] Please refer to the attached Figure 3 - attached Figure 4 The mounting mechanism 2 includes a support plate 202 fixedly connected to the top rear side of the processing table 1. The rear side of the support plate 202 is fixedly connected to a connecting plate 203. The front side of the connecting plate 203 is threadedly connected to a threaded knob 204. The outer wall of the processing table 1 is provided with an arc-shaped slot 205. The inner side of the arc-shaped slot 205 is fixedly connected to a hollow rod 206. The inner side of the hollow rod 206 is slidingly connected to a T-shaped rod 201. The outer wall of the support plate 202 is fixedly connected to a protective block 4. The rear side of the connecting plate 203 is fixedly connected to a non-slip pad 17. The rear side of the connecting plate 203 is fixedly connected to a non-slip plate 18.

[0034] Specifically, the rear end of the support plate 202 is closely connected to the connecting plate 203, forming a stable structural support. The front end of the connecting plate 203 is connected to the threaded knob 204 through fine threads, and is convenient for the operator to adjust according to actual needs. The outer wall of the processing table 1 is provided with a carefully designed arc-shaped slot 205. The inner side of the arc-shaped slot 205 is fixedly connected to a hollow rod 206. The inner side of the hollow rod 206 is provided with a slidable T-shaped rod 201, allowing the operator to adjust the position of the T-shaped rod 201 to adapt to different processing needs. The outer wall of the support plate 202 is fixedly connected to a protective block 4, which not only protects the operator from accidental injury, but also protects the equipment itself from damage. The rear end of the connecting plate 203 is fixedly connected to a non-slip pad 17, and the rear end of the connecting plate 203 is fixedly connected to a non-slip plate 18. These anti-skid measures ensure the stability of the equipment in various working environments and prevent accidents caused by sliding.

[0035] Please refer to the attached Figure 3 - attached Figure 5The top front side of the processing table 1 is provided with an elongated plate 5, the top of the elongated plate 5 is provided with a hole 16, the top of the processing table 1 is fixedly connected with a limiting column 23, the inner side of the limiting column 23 is matched with the outer wall of the hole 16, the bottom left and right sides of the processing table 1 are fixedly connected with anti-skid strips one 20, the bottom of the anti-skid strips one 20 is fixedly connected with a bottom plate 19, the top rear side of the processing table 1 is fixedly connected with an elongated strip 3, a plurality of elongated strips 3 are fixedly connected at the same horizontal height, the front left and right ends of the elongated plate 5 are fixedly connected with L-shaped friction plates 15, and the top of the L-shaped friction plate 15 is matched with the bottom of the pressing plate 12.

[0036] Specifically, through this elongated plate 5, not only additional support surface is provided for the operator in function, but also it is integrated with the overall design of the processing table 1 in vision, the top of the elongated plate 5 is uniformly distributed with carefully designed holes 16, the holes 16 not only provide accurate positioning points for the limiting columns 23 of the processing table 1, the inner side of the limiting column 23 is closely matched with the outer wall of the hole 16, and the addition of the bottom plate 19 not only increases the stability of the processing table 1, but also provides a more solid foundation for the entire equipment during the processing process, a plurality of elongated strips 3 are fixedly connected at the rear middle part of the top of the processing table 1, the top of the L-shaped friction plate 15 is matched with the bottom of the pressing plate 12, and this design not only ensures that stable pressure is applied to the workpiece during the processing process, but also facilitates the operator to adjust the pressure according to the needs, so as to meet different processing requirements.

[0037] Working principle: when the numerical control machine tool clamp needs to be used, the elongated plate 5 holding the object is taken up, the hole 16 is clamped with the limiting column 23 fixed on the top of the processing table 1, at this time, the supporting block 14 is fixed with the fixed plate 6, so as to start the cylinder 7 fixedly connected with the L-shaped plate 8, push the moving plate 10 rotatingly connected with the rotating rod 9 and the conical plate 11 to move backward, at the same time, the rotating shaft 13 and the outer wall of the conical plate 11 are limited to rotate, the pressing plate 12 is slowly moved downward in the process of being pushed, the bottom of the pressing plate 12 is in contact with the outer wall of the L-shaped friction plate 15, finally, the elongated plate 5 is pressed and fixed on the top of the processing table 1, so as to realize that the numerical control machine tool clamp can avoid the shaking of the elongated plate 5 holding the object during use, improve the stability of the clamp, and meet the daily use requirements;

[0038] After the hollow rod 206 is installed in the arc-shaped slot 205 of the outer wall of the machining table 1, the machining table 1 is lifted and matched with the mounting frame, then the T-shaped rod 201 is lifted and clamped with the reserved hole, the connecting plate 203 is fixed to the top rear side of the machining table 1 through the supporting plate 202, finally the corresponding screw knob 204 is screwed to the fixing frame, and the installation is completed, so that the clamp can be disassembled and assembled in a short time, the clamp can be kept in a horizontal state during installation, inclination is avoided, and the use effect of the clamp is provided.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of the present application.

Claims

1. A fixture for a CNC machine tool, comprising a machining table (1), characterized in that: Support blocks (14) are fixedly connected to the left and right ends of the front side of the processing table (1). A fixed plate (6) is fixedly connected to the top of the support block (14). An L-shaped plate (8) is fixedly connected to the middle of the front side of the fixed plate (6). A cylinder (7) is fixedly connected to the top of the rear side of the L-shaped plate (8). A rotating rod (9) is fixedly connected to the output end of the cylinder (7). A movable rotating plate (10) is rotatably connected to the rear end of the rotating rod (9). A conical plate (11) is rotatably connected to the rear side of the movable rotating plate (10). A pressing plate (12) is rotatably connected to the rear bottom side of the conical plate (11). A rotating shaft (13) is rotatably connected to the middle of the bottom surface of the conical plate (11). The bottom of the rotating shaft (13) is fixedly connected to the rear top side of the fixed plate (6). An installation mechanism (2) is provided on the outer wall of the processing table (1). The installation mechanism (2) is used for quick assembly and disassembly of the fixture.

2. A fixture for a CNC machine tool according to claim 1, characterized in that: The installation mechanism (2) includes a support plate (202), the bottom of which is fixedly connected to the rear top of the processing table (1). A connecting plate (203) is fixedly connected to the rear side of the support plate (202). A threaded knob (204) is threadedly connected to the front side of the connecting plate (203). An arc-shaped groove (205) is provided on the outer wall of the processing table (1). A hollow rod (206) is fixedly connected to the inner side of the arc-shaped groove (205). A T-shaped rod (201) is slidably connected to the inner side of the hollow rod (206).

3. A fixture for a CNC machine tool according to claim 1, characterized in that: The processing table (1) has a long plate (5) on its top front side. The top of the long plate (5) is provided with holes (16). The top of the processing table (1) is fixedly connected with a limiting post (23). The inner side of the limiting post (23) is in contact with the outer wall of the hole (16).

4. A fixture for a CNC machine tool according to claim 1, characterized in that: Multiple anti-slip strips (22) are fixedly connected to the center of the bottom surface of the processing table (1), and a horizontal plate (21) is fixedly connected to the bottom of each anti-slip strip (22).

5. A fixture for a CNC machine tool according to claim 1, characterized in that: The bottom left and right sides of the processing table (1) are fixedly connected with anti-slip strips (20), and the bottom of the anti-slip strips (20) is fixedly connected with a base plate (19).

6. A fixture for a CNC machine tool according to claim 2, characterized in that: The outer wall of the support plate (202) is fixedly connected with a protective block (4), and the middle of the rear side of the connecting plate (203) is fixedly connected with an anti-slip pad (17). The left and right ends of the rear side of the connecting plate (203) are fixedly connected with anti-slip plates (18).

7. A fixture for a CNC machine tool according to claim 1, characterized in that: Long strips (3) are fixedly connected to the middle of the rear side of the top surface of the processing table (1), and multiple long strips (3) are fixedly connected at the same horizontal height.

8. A fixture for a CNC machine tool according to claim 3, characterized in that: The front left and right ends of the elongated plate (5) are fixedly connected to L-shaped friction plates (15), and the top of the L-shaped friction plates (15) is in contact with the bottom of the pressing plate (12).

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