A high-efficiency clamping device for five-axis machining center

Abstract

The utility model belongs to the technical field of five-axis machining, and is particularly an efficient clamping device for a five-axis machining center. Aiming at the efficiency problem, the following scheme is proposed, which includes a base; a mounting table is fixedly connected to the upper surface of the base; a fixture is fixedly connected to the upper surface of the mounting table; a No. 1 thread groove is provided on the upper surface of the mounting table; a fixing screw is rotatably installed on the inner surface of the No. 1 thread groove; a clamping device is fixedly connected to the upper surface of the mounting table; a mounting block is fixedly connected to the lower surface of the clamping device; and a fixing groove is provided on the outer surface of the mounting block. Through the setting of the fixture, the clamping device can be quickly replaced, thereby improving efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of five-axis machining, in particular to a high-efficiency clamping device for a five-axis machining center. Background Art

[0002] In recent years, the precision machine tool industry has developed rapidly, and high precision and multiple degrees of freedom have become the mainstream development direction of the machine tool industry. As the current high-end machine tool, the five-axis machine tool has more stringent requirements for the turntable for the fixture.

[0003] However, the prior art still has some shortcomings. In the clamp operation of the prior art, the clamp adopts the card slot to squeeze and lock the screw, which is cumbersome to install and disassemble, and increases the difficulty of installation when installing irregular workpieces.

[0004] Therefore, we propose an efficient clamping device for five-axis machining center to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to solve the problems raised in the above background technology, and to propose a high-efficiency clamping device for a five-axis machining center.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A high-efficiency clamping device for a five-axis machining center comprises a base; a mounting platform is fixedly connected to the upper surface of the base; a fixer is fixedly connected to the upper surface of the mounting platform; a No. 1 thread groove is provided on the upper surface of the mounting platform; a fixing screw is rotatably installed on the inner surface of the No. 1 thread groove; a clamping device is fixedly connected to the upper surface of the mounting platform; a mounting block is fixedly connected to the lower surface of the clamping device; and a fixing groove is provided on the outer surface of the mounting block.

[0008] Preferably, the mounting platform is fixed to the upper surface of the mounting platform by fixing screws.

[0009] Preferably, the fixer includes a shell fixedly connected to the upper surface of the mounting platform; a groove is provided on the outer surface of one side of the shell; a No. 2 slide groove is provided on the outer surface of the other side of the shell; a rotating block is rotatably installed on the inner surface of the groove; a No. 1 connecting rod is fixedly connected to the outer surface of one side of the rotating block; two No. 1 slide grooves are provided on the outer surface of one side of the No. 1 connecting rod; a No. 2 connecting rod is slidably installed on the inner surfaces of the two No. 1 slide grooves; two No. 2 connecting rods are fixedly connected to threaded rods; a No. 1 spring is fixedly connected to the outer surface of one side of the threaded rod; a fixed block is slidably installed on the inner surface of the No. 2 slide groove; a No. 2 spring is fixedly connected to the outer surface of one side of the fixed block; a No. 2 threaded groove is provided on the outer surface of one side of the fixed block.

[0010] Preferably, the threaded rod is rotatably mounted on the inner surface of the No. 2 thread groove; one end of the No. 1 spring is fixedly connected to one end of the No. 1 connecting rod; and one end of the No. 2 spring is fixedly connected to the inner surface of the No. 1 slide groove.

[0011] Preferably, an outer surface of one side of the rotating block is provided with an inner six-way groove; and the No. 1 connecting rod is rotatably mounted on the inner surface of the shell.

[0012] Preferably, the fixing block is a trapezoidal block; the fixing block and the fixing groove cooperate with each other.

[0013] In the utility model, the described high-efficiency clamping device of a five-axis machining center is provided by a mounting table, a No. 1 threaded groove, a fixing screw, a fixing device, a shell, a groove, a rotating block, a No. 1 connecting rod, a No. 1 slide groove, a No. 2 connecting rod, a threaded rod, a No. 1 spring, a No. 2 slide groove, a fixing block, a No. 2 threaded groove, a No. 2 spring, a clamping device, a mounting block, and a fixing groove. When the clamping device is fixed, the clamping device is pushed downward, and the movement of the clamping device drives the mounting block to move. The movement of the mounting block will squeeze the fixing block into the No. 2 slide groove. The movement of the fixing block will drive the threaded rod to move. The movement of the fixing block will The second spring is compressed, and the movement of the threaded rod drives the second connecting rod to move. The movement of the threaded rod compresses the first spring. When the mounting block moves to the mounting table, the fixed block enters the fixed groove under the action of the rebound of the first and second springs. When replacing the clamping device, the rotating block is rotated. The rotation of the rotating block drives the second connecting rod to rotate through the first connecting rod. The rotation of the second connecting rod drives the threaded rod to rotate. The rotation of the threaded rod drives the fixed block to move, so that the fixed block leaves the fixed groove, and the clamping device can be taken out, thereby realizing the rapid replacement of the clamping device and improving the efficiency.

[0014] In the utility model, the high-efficiency clamping device for a five-axis machining center can quickly fix the clamping device by setting a fixed block, which is a trapezoidal block. The setting of the fixing screws facilitates the installation of the base.

[0015] The utility model has reasonable structural design, simple operation and high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a high-efficiency clamping device for a five-axis machining center proposed by the utility model;

[0017] Figure 2 It is a partial exploded schematic diagram of the three-dimensional structure of a high-efficiency clamping device for a five-axis machining center proposed by the utility model;

[0018] Figure 3 It is a schematic cross-sectional view of the fixing device in the utility model.

[0019] In the figure: 1. base; 2. mounting table; 21. No. 1 threaded groove; 22. fixing screw; 3. fixture; 31. housing; 32. groove; 33. rotating block; 34. No. 1 connecting rod; 341. No. 1 slide groove; 342. No. 2 connecting rod; 343. threaded rod; 344. No. 1 spring; 35. No. 2 slide groove; 36. fixing block; 361. No. 2 threaded groove; 37. No. 2 spring; 4. clamping device; 5. mounting block; 6. fixing groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3 A high-efficiency clamping device for a five-axis machining center includes a base 1; a mounting platform 2 is fixedly connected to the upper surface of the base 1; a fixture 3 is fixedly connected to the upper surface of the mounting platform 2; a No. 1 thread groove 21 is provided on the upper surface of the mounting platform 2; a fixing screw 22 is rotatably installed on the inner surface of the No. 1 thread groove 21; a clamping device 4 is fixedly connected to the upper surface of the mounting platform 2; a mounting block 5 is fixedly connected to the lower surface of the clamping device 4; a fixing groove 6 is provided on the outer surface of the mounting block 5.

[0022] Furthermore, the mounting platform 2 is fixed to the upper surface of the mounting platform 2 by fixing screws 22 .

[0023] Furthermore, the fixture 3 includes a shell 31 fixedly connected to the upper surface of the mounting platform 2; a groove 32 is provided on the outer surface of one side of the shell 31; a No. 2 slide groove 35 is provided on the outer surface of the other side of the shell 31; a rotating block 33 is rotatably installed on the inner surface of the groove 32; a No. 1 connecting rod 34 is fixedly connected to the outer surface of one side of the rotating block 33; two No. 1 slide grooves 341 are provided on the outer surface of one side of the No. 1 connecting rod 34; a No. 2 connecting rod 342 is slidably installed on the inner surfaces of the two No. 1 slide grooves 341; the two No. 2 connecting rods 342 are fixedly connected to the threaded rods 343; a No. 1 spring 344 is fixedly connected to the outer surface of one side of the threaded rod 343; a fixed block 36 is slidably installed on the inner surface of the No. 2 slide groove 35; a No. 2 spring 37 is fixedly connected to the outer surface of one side of the fixed block 36; a No. 2 threaded groove 361 is provided on the outer surface of one side of the fixed block 36.

[0024] Furthermore, the fixture 3 includes a shell 31 fixedly connected to the upper surface of the mounting platform 2; a groove 32 is provided on the outer surface of one side of the shell 31; a No. 2 slide groove 35 is provided on the outer surface of the other side of the shell 31; a rotating block 33 is rotatably installed on the inner surface of the groove 32; a No. 1 connecting rod 34 is fixedly connected to the outer surface of one side of the rotating block 33; two No. 1 slide grooves 341 are provided on the outer surface of one side of the No. 1 connecting rod 34; a No. 2 connecting rod 342 is slidably installed on the inner surfaces of the two No. 1 slide grooves 341; the two No. 2 connecting rods 342 are fixedly connected to the threaded rods 343; a No. 1 spring 344 is fixedly connected to the outer surface of one side of the threaded rod 343; a fixed block 36 is slidably installed on the inner surface of the No. 2 slide groove 35; a No. 2 spring 37 is fixedly connected to the outer surface of one side of the fixed block 36; a No. 2 threaded groove 361 is provided on the outer surface of one side of the fixed block 36.

[0025] Furthermore, an inner hexagonal groove is provided on an outer surface of one side of the rotating block 33 ; and a No. 1 connecting rod 34 is rotatably mounted on the inner surface of the housing 31 .

[0026] Furthermore, the fixing block 36 is a trapezoidal block; the fixing block 36 and the fixing groove 6 cooperate with each other.

[0027] In the utility model, when the clamping device 4 is fixed in use, the clamping device 4 is pushed downward, and the movement of the clamping device 4 drives the installation block 5 to move. The movement of the installation block 5 will squeeze the fixing block 36 into the No. 2 slide groove 35, and the movement of the fixing block 36 will drive the threaded rod 343 to move. The movement of the fixing block 36 will compress the No. 2 spring 37. The movement of the threaded rod 343 drives the No. 2 connecting rod 342 to move. The movement of the threaded rod 343 will compress the No. 1 spring 344. When the installation block 5 is moved onto the installation platform 2, the fixing block 36 will move under the action of the rebound of the No. 1 spring 344 and the No. 2 spring 37. into the fixing groove 6; when replacing the clamping device 4, rotate the rotating block 33, and the rotation of the rotating block 33 drives the No. 2 connecting rod 342 to rotate through the No. 1 connecting rod 34, and the rotation of the No. 2 connecting rod 342 drives the threaded rod 343 to rotate, and the rotation of the threaded rod 343 drives the fixing block 36 to move, so that the fixing block 36 leaves the fixing groove 6, and the clamping device 4 can be taken out, thereby realizing the rapid replacement of the clamping device 4 and improving the efficiency; through the setting of the fixing block 36, the fixing block 36 is a trapezoidal block, and the clamping device 4 can be quickly fixed, and the setting of the fixing screw 22 facilitates the installation of the base 1.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-efficiency clamping device for a five-axis machining center, characterized in that: The invention comprises a base (1); a mounting platform (2) is fixedly connected to the upper surface of the base (1); a fixing device (3) is fixedly connected to the upper surface of the mounting platform (2); a No. 1 thread groove (21) is provided on the upper surface of the mounting platform (2); a fixing screw (22) is rotatably mounted on the inner surface of the No. 1 thread groove (21); a clamping device (4) is fixedly connected to the upper surface of the mounting platform (2); a mounting block (5) is fixedly connected to the lower surface of the clamping device (4); and a fixing groove (6) is provided on the outer surface of the mounting block (5).

2. The high-efficiency clamping device for a five-axis machining center according to claim 1, characterized in that: The mounting platform (2) is fixed to the upper surface of the mounting platform (2) by means of fixing screws (22).

3. The high-efficiency clamping device for a five-axis machining center according to claim 1, characterized in that: The fixing device (3) comprises a shell (31) fixedly connected to the upper surface of the mounting platform (2); a groove (32) is provided on one side outer surface of the shell (31); a second slide groove (35) is provided on the other side outer surface of the shell (31); a rotating block (33) is rotatably mounted on the inner surface of the groove (32); a first connecting rod (34) is fixedly connected to the outer surface of one side of the rotating block (33); two first slide grooves (341) are provided on the outer surface of one side of the first connecting rod (34); the two first slide grooves (341) are provided on the outer surface of the two first slide grooves (342); A No. 2 connecting rod (342) is slidably mounted on the inner surface of each No. 2 slide groove (341); two No. 2 connecting rods (342) are fixedly connected with threaded rods (343); a No. 1 spring (344) is fixedly connected to the outer surface of one side of the threaded rod (343); a fixing block (36) is slidably mounted on the inner surface of the No. 2 slide groove (35); a No. 2 spring (37) is fixedly connected to the outer surface of one side of the fixing block (36); a No. 2 threaded groove (361) is provided on the outer surface of one side of the fixing block (36).

4. The high-efficiency clamping device for a five-axis machining center according to claim 3 is characterized in that: The threaded rod (343) is rotatably mounted on the inner surface of the No. 2 threaded groove (361); one end of the No. 1 spring (344) is fixedly connected to one end of the No. 1 connecting rod (34); and one end of the No. 2 spring (37) is fixedly connected to the inner surface of the No. 1 sliding groove (341).

5. The high-efficiency clamping device for a five-axis machining center according to claim 3 is characterized in that: An inner hexagonal groove is provided on one side outer surface of the rotating block (33); and the No. 1 connecting rod (34) is rotatably mounted on the inner surface of the housing (31).

6. The high-efficiency clamping device for a five-axis machining center according to claim 3 is characterized in that: The fixing block (36) is a trapezoidal block; the fixing block (36) and the fixing groove (6) cooperate with each other.

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