Machining center clamp

Abstract

The utility model discloses a machining center clamp and belongs to the technical field of machining centers, a notch is formed in the top end of a workbench, first bearings are fixed to the two ends of the top face of the workbench respectively, a driving motor is installed in the notch, the output end of the driving motor is connected with a first transmission wheel, and first connecting rods are connected to the two first bearings respectively. A second transmission wheel and a third transmission wheel are fixed to the side faces of the two first connecting rods correspondingly, first gears are fixed to the other ends of the first connecting rods correspondingly, and the second transmission wheel and the third transmission wheel are connected with the first transmission wheel through a first conveying belt and a second conveying belt correspondingly. The workbench is further provided with a clamping mechanism, two second bearings are fixed to the two ends of the top face of the workbench, second connecting rods are connected to the second bearings, second gears in meshing transmission with the first gears are fixed to the side faces of the second connecting rods, and protruding blocks are fixed to the other ends of the second gears. When the machining center clamp is used, the workpiece can be rapidly clamped or released, the subsequent machining steps of the workpiece cannot be affected, and the high-efficiency working requirement of an enterprise is met.

Description

Technical Field

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

[0002] In modern life, CNC machining centers are one of the most productive and widely used CNC machine tools in the world. CNC machining centers have strong comprehensive processing capabilities and high processing accuracy. They can complete more processing content after the workpiece is clamped once.

[0003] The fixtures currently used in machining centers cannot be clamped or released quickly, which easily affects the processing efficiency of subsequent processing steps and has great limitations. Therefore, it is urgent to design a new type of machining center fixture to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a machining center fixture to solve the problem that the fixtures used in the existing machining centers cannot be clamped or released quickly, thus affecting the machining efficiency of subsequent machining steps.

[0005] In order to solve the above technical problems, the utility model provides a machining center fixture, including a workbench, a notch is opened on the top of the workbench and first bearings are fixed at both ends of the top surface, a driving motor is installed in the notch, a first transmission wheel is connected to the output end of the driving motor, two first bearings are connected to the first connecting rod, a second transmission wheel and a third transmission wheel are respectively fixed to the side surfaces of the two first connecting rods and a first gear is fixed to the other ends of the two first connecting rods, and the second transmission wheel and the third transmission wheel are respectively connected to the first transmission wheel through a first conveyor belt and a second conveyor belt;

[0006] The workbench is also provided with a clamping mechanism and two second bearings are fixed at both ends of its top surface, the second bearings are connected with a second connecting rod, a second gear meshing with the first gear is fixed on the side of the second connecting rod and a protrusion is fixed at the other end.

[0007] Optionally, the clamping mechanism includes two side plates, the two side plates are fixed at the two ends of the top surface of the workbench and have two sliding rods fixed on the inner side thereof and are each provided with a straight rod, the two ends of the straight rod are respectively slidably connected to the two sliding rods and have a clamping rod fixed on the inner side thereof through a fixing rod, and the two clamping rods are both located on the inner side of the protrusion; the straight rods are connected to the side plates through two springs, and the two springs are respectively surrounded by the sides of the two sliding rods.

[0008] Optionally, two round rods are fixed on the inner sides of the two clamping rods, and a clamping block is fixed on the other end of the round rod.

[0009] Optionally, a stop block is fixed to the other end of the sliding rod.

[0010] Optionally, a support platform is fixed to the workbench by a number of support rods, the top surface of the support platform has two sliding grooves and is provided with two clamps, a double-headed hydraulic cylinder is fixed to the bottom surface, sliding blocks are fixed to the bottom ends of the two clamps, the two sliding blocks are respectively slidably connected to the two sliding grooves and moving blocks are fixed to the bottom ends, and the two piston rods of the double-headed hydraulic cylinder are respectively connected to the two moving blocks.

[0011] Optionally, pillars are fixed to the four corners of the bottom end of the workbench.

[0012] In a machining center fixture provided by the utility model, a notch is opened on the top of the workbench and first bearings are fixed at both ends of the top surface, a driving motor is installed in the notch, a first transmission wheel is connected to the output end of the driving motor, two first bearings are connected to the first connecting rods, a second transmission wheel and a third transmission wheel are respectively fixed to the sides of the two first connecting rods and a first gear is fixed to the other end of the two first connecting rods, the second transmission wheel and the third transmission wheel are respectively connected to the first transmission wheel through a first conveyor belt and a second conveyor belt; a clamping mechanism is also provided on the workbench and two second bearings are fixed to both ends of the top surface, A second connecting rod is connected to the second bearing, and a second gear meshing with the first gear is fixed on the side of the second connecting rod and a protrusion is fixed at the other end of the second connecting rod; using the machining center fixture, the first transmission wheel is driven to rotate by the output end of the driving motor so that the first transmission wheel drives the second transmission wheel and the third transmission wheel to rotate through the first conveyor belt and the second conveyor belt respectively, at this time, the two first connecting rods all drive the first gear to mesh with the second gear for transmission, and finally, several second connecting rods all drive the protrusion to rotate synchronously to drive the clamping mechanism to move inward to quickly clamp the workpiece, thereby meeting the company's high-efficiency work requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the machining center fixture structure provided by the utility model;

[0014] Figure 2 This is a top view of the machining center fixture provided by the utility model;

[0015] Figure 3 yes Figure 2 Middle AA section view.

[0016] In the figure: 1. workbench; 2. notch; 3. drive motor; 4. first bearing; 5. first transmission wheel; 6. first connecting rod; 7. second transmission wheel; 8. third transmission wheel; 9. first gear; 10. first conveyor belt; 11. second conveyor belt; 12. second bearing; 13. second connecting rod; 14. second gear; 15. bump; 16. support rod; 17. support table; 18. clamping rod; 19. side plate; 20. straight rod; 21. sliding rod; 22. fixed rod; 23. round rod; 24. clamping block; 25. spring; 26. stopper; 27. column; 28. slide groove; 29. ​​clamping plate; 30. double-headed hydraulic cylinder; 31. slider; 32. moving block. DETAILED DESCRIPTION

[0017] 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.

[0018] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0020] The utility model provides a machining center fixture, the structure of which is as follows Figures 1 to 3As shown, it includes a workbench 1, a notch 2 is opened on the top of the workbench 1 and first bearings 4 are fixed at both ends of the top surface, a driving motor 3 is installed in the notch 2, and the output end of the driving motor 3 is connected to the first transmission wheel 5, two first bearings 4 are connected to the first connecting rod 6, the sides of the two first connecting rods 6 are respectively fixed with the second transmission wheel 7 and the third transmission wheel 8 and the other end of the two first connecting rods 6 is fixed with the first gear 9, the second transmission wheel 7 and the third transmission wheel 8 are respectively connected to the first transmission wheel 5 through the first conveyor belt 10 and the second conveyor belt 11; the workbench 1 is also provided with a clamping mechanism and two second bearings 12 are fixed at both ends of the top surface , the second bearing 12 is connected with a second connecting rod 13, a second gear 14 meshing with the first gear 9 is fixed on the side of the second connecting rod 13, and a protrusion 15 is fixed on the other end of the second connecting rod 13, and the first transmission wheel 5 is driven to rotate by the output end of the driving motor 3 so that the first transmission wheel 5 drives the second transmission wheel 7 and the third transmission wheel 8 to rotate through the first conveyor belt 10 and the second conveyor belt 11 respectively, at this time, the two first connecting rods 6 drive the first gear 9 to mesh with the second gear 14, and finally, several second connecting rods 13 drive the protrusion 15 to rotate synchronously to drive the clamping mechanism to move inward to quickly clamp the workpiece. Using the machining center fixture, the workpiece can be quickly clamped or released without affecting the subsequent processing steps of the workpiece, meeting the high-efficiency work requirements of the enterprise.

[0021] Specifically, the clamping mechanism includes two side plates 19, which are fixed at both ends of the top surface of the workbench 1 and have two sliding rods 21 fixed on their inner sides and are each provided with a straight rod 20, both ends of the straight rod 20 are respectively slidably connected with the two sliding rods 21 and a clamping rod 18 is fixed on its inner side through a fixed rod 22, and the two clamping rods 18 are both located on the inner side of the protrusion 15; the straight rod 20 is connected to the side plates 19 through two springs 25, and the two springs 25 are respectively surrounded by the sides of the two sliding rods 21, and under the elastic action of the two springs 25, the straight rod 20 drives the clamping rod 18 to move outward through the fixed rod 22 and no longer clamps the workpiece.

[0022] Furthermore, two round rods 23 are fixed to the inner sides of the two clamping rods 18, and clamping blocks 24 are fixed to the other ends of the round rods 23, so as to achieve a better clamping effect.

[0023] Furthermore, a stopper 26 is fixed to the other end of the slide bar 21 to prevent the slide bar 21 from being disconnected from the straight rod 20 .

[0024] Furthermore, a support platform 17 is fixed to the workbench 1 by a plurality of support rods 16. The top surface of the support platform 17 is provided with two slide grooves 28 and two clamps 29. A double-headed hydraulic cylinder 30 is fixed to the bottom surface. Slide blocks 31 are fixed to the bottom ends of the two clamps 29. The two slide blocks 31 are respectively slidably connected to the two slide grooves 28 and a moving block 32 is fixed to the bottom end. The two piston rods of the double-headed hydraulic cylinder 30 are respectively connected to the two moving blocks 32. The two piston rods of the double-headed hydraulic cylinder 30 drive the moving block 32 to move inward so that the two slide blocks 31 drive the clamps 29 to move inward to limit the workpiece.

[0025] Furthermore, columns 27 are fixed to the four corners at the bottom of the workbench 1 to support the workbench 1 and leave a certain installation space for the drive motor 3.

[0026] The working principle of the utility model is as follows: first, the workpiece is placed on the support table 17, and then the double-headed hydraulic cylinder 30 is started, and its two piston rods drive the moving block 32 to move inward so that the two sliders 31 drive the clamping plate 29 to move inward to limit the workpiece, and then the driving motor 3 is started, and its output end drives the first transmission wheel 5 to rotate so that the first transmission wheel 5 drives the second transmission wheel 7 and the third transmission wheel 8 to rotate through the first conveyor belt 10 and the second conveyor belt 11 respectively, at this time, the two first connecting rods 6 drive the first gear 9 and the second gear 14 to engage and transmit, and a plurality of second connecting rods 13 drive the protrusion 15 to rotate synchronously to drive the clamping rod 18 to move inward so that the clamping block 24 can quickly clamp the workpiece, and during the rotation of the protrusion 15, under the elastic action of the spring 25, it can continuously clamp or release, thereby ensuring the work efficiency of the subsequent processing steps of the workpiece.

[0027] The above description is only a description of the preferred embodiment of the utility model, and is not any limitation on the scope of the utility model. Any changes and modifications made by ordinary technicians in the field of the utility model based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A machining center fixture, comprising a workbench (1), characterized in that: The workbench (1) has a notch (2) at the top and first bearings (4) are fixed at both ends of the top surface. A driving motor (3) is installed in the notch (2), and the output end of the driving motor (3) is connected to a first transmission wheel (5). Two first bearings (4) are connected to first connecting rods (6). Second transmission wheels (7) and third transmission wheels (8) are fixed to the sides of the two first connecting rods (6) respectively, and first gears (9) are fixed to the other ends of the two first connecting rods (6). The second transmission wheel (7) and the third transmission wheel (8) are connected to the first transmission wheel (5) respectively through a first conveyor belt (10) and a second conveyor belt (11); The workbench (1) is also provided with a clamping mechanism and two second bearings (12) are fixed at both ends of the top surface thereof, the second bearings (12) are connected to a second connecting rod (13), a second gear (14) meshing with the first gear (9) is fixed on the side of the second connecting rod (13) and a protrusion (15) is fixed at the other end thereof.

2. The machining center fixture according to claim 1, characterized in that: The clamping mechanism comprises two side plates (19), the two side plates (19) are fixed to the two ends of the top surface of the workbench (1) and two sliding rods (21) are fixed on the inner side thereof and a straight rod (20) is provided. The two ends of the straight rod (20) are respectively slidably connected with the two sliding rods (21) and a clamping rod (18) is fixed on the inner side thereof through a fixing rod (22), and the two clamping rods (18) are both located on the inner side of the protrusion (15); the straight rod (20) is connected to the side plates (19) through two springs (25), and the two springs (25) are respectively surrounded on the sides of the two sliding rods (21).

3. The machining center fixture according to claim 2, characterized in that: Two round rods (23) are fixed inside the two clamping rods (18), and a clamping block (24) is fixed at the other end of the round rod (23).

4. The machining center fixture according to claim 2, characterized in that: A stopper (26) is fixed to the other end of the slide rod (21).

5. The machining center fixture according to claim 1, characterized in that: A support platform (17) is fixed on the workbench (1) via a plurality of support rods (16); the top surface of the support platform (17) is provided with two slide slots (28) and two clamping plates (29); a double-headed hydraulic cylinder (30) is fixed on the bottom surface; a slider (31) is fixed at the bottom ends of the two clamping plates (29); the two sliders (31) are respectively slidably connected to the two slide slots (28) and a moving block (32) is fixed at the bottom ends; and two piston rods of the double-headed hydraulic cylinder (30) are respectively connected to the two moving blocks (32).

6. The machining center fixture according to claim 1, characterized in that: The four corners at the bottom of the workbench (1) are all fixed with upright posts (27).

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