CN211966670U

CN211966670U - Workpiece clamp for machining

Info

Publication number: CN211966670U
Application number: CN201921280843.6U
Authority: CN
Inventors: 胡勇飞
Original assignee: Individual
Current assignee: Dalian Right Precision Mold Co
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2020-11-20
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a workpiece fixture for machining, including base and motor protection case, the both sides top of base all is equipped with the support, the level has erect the dwang between two supports, the middle part of dwang is the threaded rod, the one end of dwang is fixed to have cup jointed first bevel gear, be equipped with driving motor in the motor protection case, the fixed cup joint of driving motor's output shaft has second bevel gear, threaded connection has the thread piece on the threaded rod, the top fixed mounting of thread piece has the leading truck, fixed mounting has the connecting rod on the leading truck, the one end fixed mounting of connecting rod has first grip block, the bottom fixed mounting of thread piece has the slider, the top surface of base is equipped with the spout that matches with the slider, the top fixed mounting of another support has the U-shaped seat, fixed mounting has the pneumatic cylinder on the U-shaped seat, the piston. The utility model discloses a dual power drive can ensure to improve the centre gripping dynamics, increases the centre gripping effect.

Description

Workpiece clamp for machining

Technical Field

The utility model relates to a machining technical field, in particular to workpiece fixture for machining.

Background

The machine is also called a fixture, which is used to fix the object to be processed to make it occupy the correct position for receiving construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. When a workpiece is machined on a machine tool, the workpiece needs to be assembled (positioned) and firmly clamped (clamped) before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in the machining method can be divided into cutting machining and pressing machining. In the machining process, a clamp is required to be used for fixing the machined mechanical part, and the existing clamping device for machining the mechanical part is not firm in fixation and easy to deviate, so that the machined mechanical part is not accurate in machining, and the quality of the mechanical part is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a workpiece fixture for machining can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a workpiece clamp for machining comprises a base and a motor protection box, wherein supports are arranged at the tops of two sides of the base, a rotating rod is horizontally erected between the two supports, the middle of the rotating rod is a threaded rod, one end of the rotating rod penetrates through one support and extends into the motor protection box and is fixedly sleeved with a first bevel gear, a driving motor is arranged in the motor protection box, an output shaft of the driving motor is fixedly sleeved with a second bevel gear, the second bevel gear is meshed with the first bevel gear, a threaded block is in threaded connection with the threaded rod, a guide frame is fixedly arranged at the top of the threaded block, a connecting rod is fixedly arranged on the guide frame, a first clamping block is fixedly arranged at one end of the connecting rod, a first rubber clamping pad wraps the surface of one side of the first clamping block, and a sliding block is fixedly arranged at the bottom of the threaded block, the top surface of base be equipped with the spout that the slider matches, another the top fixed mounting of support has the U-shaped seat, fixed mounting has the pneumatic cylinder on the U-shaped seat, the piston rod fixedly connected with second grip block of pneumatic cylinder, the second grip block is close to one side surface parcel of first grip block has the second rubber to press from both sides the pad.

Preferably, two the equal embedding of one side that the support is relative install with the bearing frame that the dwang matches.

Preferably, a thread groove is formed in the support far away from the motor protection box, a bolt is connected to the thread groove in an internal thread mode, and the U-shaped seat is fixed to the top of the support through the bolt.

Preferably, the bottom of the inner side of the U-shaped seat is provided with a plurality of screw holes matched with the bolts.

Preferably, keep away from the motor protective housing one side bottom of support is equipped with the bolster, the bolster is the metal spring of level setting, bolster one end is connected with the blotter.

Preferably, the driving motor is a forward and reverse rotating motor.

Compared with the prior art, the utility model discloses following beneficial effect has: this workpiece holder for machining, through setting up base and driving motor, driving motor connects through first bevel gear and second bevel gear meshing and drives the dwang and rotate, threaded rod on the dwang and then drive the screw thread piece horizontal migration, make first grip block move on the horizontal direction through slider sliding connection in spout surface, and simultaneously, pneumatic cylinder piston rod promotes the second grip block and removes to first grip block, arrange the work piece in between first grip block and the second grip block, thereby accomplish the centre gripping work, workpiece holder for whole machining simple structure, and convenient for operation, the effect of use is better for the traditional mode.

Drawings

Fig. 1 is the utility model relates to a workpiece holder's for machining overall structure sketch map.

Fig. 2 is the utility model relates to a structural schematic diagram of the U-shaped seat of workpiece holder for machining.

In the figure: 1. a base; 2. a motor protection box; 3. a support; 4. rotating the rod; 5. a threaded rod; 6. a first bevel gear; 7. a drive motor; 8. a second bevel gear; 9. a thread block; 10. A guide frame; 11. a buffer member; 12. a connecting rod; 13. a first clamping block; 14. a first rubber clamping pad; 15. a slider; 16. a chute; 17. a U-shaped seat; 18. a hydraulic cylinder; 19. a second clamping block; 20. a second rubber clamping pad; 21. a thread groove; 22. and a screw hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, a workpiece fixture for machining comprises a base 1 and a motor protection box 2, wherein supports 3 are respectively arranged at the tops of two sides of the base 1, a rotating rod 4 is horizontally erected between the two supports 3, a threaded rod 5 is arranged in the middle of the rotating rod 4, one end of the rotating rod 4 penetrates through one support 3, extends into the motor protection box 2 and is fixedly sleeved with a first bevel gear 6, a driving motor 7 is arranged in the motor protection box 2, an output shaft of the driving motor 7 is fixedly sleeved with a second bevel gear 8, the second bevel gear 8 is meshed with the first bevel gear 6, a threaded block 9 is in threaded connection with the threaded rod 5, a guide frame 10 is fixedly arranged at the top of the threaded block 9, a connecting rod 12 is fixedly arranged on the guide frame 10, and a first clamping block 13 is fixedly arranged at one end of the connecting rod 12, one side surface coating of first grip block 13 has first rubber to press from both sides pad 14, the bottom fixed mounting of screw thread piece 9 has slider 15, the top surface of base 1 be equipped with the spout 16 that slider 15 matches, another the top fixed mounting of support 3 has U-shaped seat 17, fixed mounting has pneumatic cylinder 18 on the U-shaped seat 17, the piston rod fixedly connected with second grip block 19 of pneumatic cylinder 18, second grip block 19 is close to one side surface coating of first grip block 13 has second rubber to press from both sides pad 20.

In this embodiment, preferably, two opposite sides of the bracket 3 are respectively embedded with a bearing seat matched with the rotating rod 4.

In this embodiment, preferably, a thread groove 21 is formed in the support 3 away from the motor protection box 2, a bolt is connected to the thread groove 21 through an internal thread, and the U-shaped seat 17 is fixed to the top of the support 3 through a bolt.

In this embodiment, preferably, the bottom of the inside of the U-shaped seat 17 is provided with a plurality of screw holes 22 matching with the bolts.

In this embodiment, preferably, a buffer member 11 is arranged at the bottom of one side of the support 3 away from the motor protection box 2, the buffer member 11 is a horizontally arranged metal spring, and one end of the buffer member 11 is connected with a cushion pad.

In this embodiment, preferably, the driving motor 7 is a forward and reverse rotation motor.

It should be noted that, the utility model relates to a workpiece fixture for machining, when using, at first start driving motor 7, driving motor 7 drives dwang 4 to rotate through first bevel gear 6 and the meshing connection of second bevel gear 8, threaded rod 5 on dwang 4 and then drive threaded block 9 horizontal migration, slide block 15 sliding connection makes first grip block 13 move in the horizontal direction on the surface of spout 16, meanwhile, pneumatic cylinder 18 piston rod promotes second grip block 19 to move to first grip block 13, place the work piece between first grip block 13 and second grip block 19, thereby accomplish clamping work; u-shaped seat 17 accessible bolt installation, convenient to detach through setting up bolster 2 and cushion, can prevent that first grip block 13 from leading to the damage to the first and grip block 19 impact the great emergence of speed when removing left, prolongs its life.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a workpiece clamp for machining, includes base (1) and motor protective housing (2), its characterized in that: the top of the two sides of the base (1) is provided with supports (3), a rotating rod (4) is horizontally erected between the two supports (3), the middle of the rotating rod (4) is a threaded rod (5), one end of the rotating rod (4) penetrates through one support (3) and extends into the motor protection box (2) and is fixedly sleeved with a first bevel gear (6), a driving motor (7) is arranged in the motor protection box (2), an output shaft of the driving motor (7) is fixedly sleeved with a second bevel gear (8), the second bevel gear (8) is meshed with the first bevel gear (6) and is connected with a threaded block (9), the top of the threaded block (9) is fixedly provided with a guide frame (10), a connecting rod (12) is fixedly arranged on the guide frame (10), and a first clamping block (13) is fixedly arranged at one end of the connecting rod (12), one side surface coating of first grip block (13) has first rubber clamp pad (14), the bottom fixed mounting of screw thread piece (9) has slider (15), the top surface of base (1) be equipped with spout (16) that slider (15) match, another the top fixed mounting of support (3) has U-shaped seat (17), fixed mounting has pneumatic cylinder (18) on U-shaped seat (17), the piston rod fixedly connected with second grip block (19) of pneumatic cylinder (18), second grip block (19) are close to one side surface coating of first grip block (13) has second rubber clamp pad (20).

2. The workpiece holder for machining according to claim 1, characterized in that: two the equal embedded installation in one side that support (3) is relative with the bearing frame that dwang (4) match.

3. The workpiece holder for machining according to claim 1, characterized in that: keep away from motor guard box (2) seted up thread groove (21) in support (3), thread groove (21) female connection has the bolt, U-shaped seat (17) are fixed in through the bolt the top of support (3).

4. The workpiece holder for machining according to claim 3, wherein: the bottom of the inner side of the U-shaped seat (17) is provided with a plurality of screw holes (22) matched with the bolts.

5. The workpiece holder for machining according to claim 1, characterized in that: keep away from motor guard box (2) one side bottom of support (3) is equipped with bolster (11), bolster (11) are the metal spring of level setting, bolster (11) one end is connected with the blotter.

6. The workpiece holder for machining according to claim 1, characterized in that: the driving motor (7) is a forward and reverse rotating motor.