Convenient-to-fix positioning device for manufacturing universal equipment

Abstract

The utility model discloses a convenient-to-fix positioning device for manufacturing general equipment, which belongs to the technical field of machine manufacturing, and comprises a bottom frame and two positioning mechanisms, the two positioning mechanisms are symmetrically distributed on the bottom frame, each positioning mechanism comprises a supporting seat, a bracket, a supporting ring, a supporting assembly and a fixing assembly, the number of the supporting assemblies is four, the four supporting assemblies are annularly distributed on the supporting ring, each supporting assembly comprises an air cylinder, a mounting frame and a supporting pulley, a two-way screw rod is rotationally mounted in the bottom frame, the supporting seat is connected to the two-way screw rod in a sleeving mode and is in threaded connection with the two-way screw rod, a motor is fixedly mounted at one end of the bottom frame, and the two-way screw rod is sleeved with the supporting seat. An output shaft of the motor is fixedly connected with one end of the two-way screw rod; through the arrangement of the two positioning mechanisms, the distance between the two positioning mechanisms can be adjusted according to the length of a bar, the two ends of the bar are supported through the supporting assemblies, the stability of the bar can be improved, and the machining precision is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical manufacturing, and in particular relates to a positioning device for manufacturing general equipment which is easy to fix. Background Art

[0002] General equipment refers to various production equipment used by various sectors of the national economy to manufacture and repair the required material and technical equipment. For example, metal cutting machine tools and forging equipment are not only the main production equipment of the machinery industry that creates the material and technical equipment of the national economy, but also the technical rear-end equipment that various material production sectors of the national economy must have in order to maintain and repair their production and technical equipment.

[0003] In the prior art, when processing a rotating body bar, a three-jaw chuck is generally used to clamp and fix one end of the bar. When the bar is long, the stability of the bar is poor, which can easily affect the processing accuracy. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning device for manufacturing general equipment which is easy to fix, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for general equipment manufacturing that is easy to fix, comprising a base frame and a positioning mechanism, wherein there are two positioning mechanisms, and the two positioning mechanisms are symmetrically distributed on the base frame, and the positioning mechanism comprises a support seat, a bracket, a support ring, a support assembly and a fixing assembly, wherein the support seat is slidably mounted on the base frame, the bracket is fixedly connected to the support seat, the support ring is fixedly connected to the bracket, there are four support assemblies, and the four support assemblies are annularly distributed on the support ring, the support assembly comprises a cylinder, a mounting frame and a support pulley, the cylinder is fixedly mounted on the outer side wall of the support ring, the mounting frame is fixedly mounted on the piston end of the cylinder, and the support pulley is rotatably mounted on the mounting frame;

[0006] A bidirectional screw is rotatably installed inside the base frame, the support seat is sleeved on the bidirectional screw and threadedly connected with the bidirectional screw, a motor is fixedly installed at one end of the base frame, and the output shaft of the motor is fixedly connected to one end of the bidirectional screw.

[0007] As a preferred implementation, the supporting pulley is made of ceramic material.

[0008] As a preferred implementation, the fixing assembly includes an electric push rod and an arc-shaped clamping plate, the electric push rod is fixedly mounted on the outer side wall of the support ring, and the arc-shaped clamping plate is fixedly mounted on the telescopic end of the electric push rod.

[0009] As a preferred implementation, an anti-slip pad is fixedly connected to the inner circumference of the arc-shaped clamping plate.

[0010] As a preferred embodiment, a guide rod is fixedly installed on one side of the bidirectional screw rod inside the base frame, and the support seat is slidably sleeved on the guide rod.

[0011] As a preferred embodiment, four corners of the base frame are fixedly connected with mounting plates, and mounting holes are formed on the mounting plates.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The positioning device for manufacturing general equipment that is easy to fix has two positioning mechanisms. When the bar is processed and positioned, the motor can be started to drive the bidirectional screw to rotate, so that the bidirectional screw drives the support seat to slide along the guide rod. The spacing between the two positioning mechanisms is adjusted according to the length of the bar. The two positioning mechanisms are moved to the two ends of the bar respectively, and then the bar is inserted into the support ring. The two ends of the bar are supported by the support assembly, which can improve the stability of the bar and improve the processing accuracy.

[0014] The positioning device for general equipment manufacturing which is easy to fix, by arranging a support component, when the bar is subjected to rotation processing, the support pulley can play a rolling support role on the four sides of the bar, and can ensure that the bar can rotate freely while supporting the bar. By arranging a fixing component, if it is necessary to perform fixed-point processing on the bar, the electric push rod can be started to drive the arc clamping plate to move, so that the arc clamping plate can clamp and fix the bar, thereby ensuring the stability of the bar during processing and making the device more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the positioning mechanism of the utility model.

[0018] In the figure: 1. base frame; 11. bidirectional screw; 12. motor; 13. guide rod; 14. mounting plate; 2. positioning mechanism; 21. support seat; 22. bracket; 23. support ring; 24. support assembly; 241. cylinder; 242. mounting frame; 243. support pulley; 25. fixing assembly; 251. electric push rod; 252. arc splint; 253. anti-slip pad. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with embodiments.

[0020] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0021] See also Figure 1-3 The utility model provides a positioning device for general equipment manufacturing that is easy to fix, including a base frame 1 and a positioning mechanism 2. The four corners of the base frame 1 are fixedly connected with a mounting plate 14, and the mounting plate 14 is provided with a mounting hole. The base frame 1 can be fixedly mounted on the machine tool through the mounting plate 14. There are two positioning mechanisms 2, and the two positioning mechanisms 2 are symmetrically distributed on the base frame 1. The positioning mechanism 2 includes a support seat 21, a bracket 22, a support ring 23, a support assembly 24 and a fixing assembly 25. The support seat 21 is slidably mounted on the base frame 1, the bracket 22 is fixedly connected to the support seat 21, the support ring 23 is fixedly connected to the bracket 22, there are four support assemblies 24, and the four support assemblies 24 are annularly distributed on the support ring 23. A bidirectional screw 11 is rotatably installed inside the base frame 1, and the support seat 21 is sleeved on the bidirectional screw 11 and threadedly connected to the bidirectional screw 11. A motor 12 is fixedly mounted on one end of the base frame 1, and the output shaft of the motor 12 A guide rod 13 is fixedly installed on one side of the bidirectional screw 11 inside the base frame 1, and a support seat 21 is slidably sleeved on the guide rod 13. Through the arrangement of two positioning mechanisms 2, when the bar is processed and positioned, the motor 12 can be started to drive the bidirectional screw 11 to rotate, so that the bidirectional screw 11 drives the support seat 21 to slide along the guide rod 13, and the spacing between the two positioning mechanisms 2 is adjusted according to the length of the bar. The two positioning mechanisms 2 are respectively moved to the two ends of the bar, and then the bar is inserted into the support ring 23. The two ends of the bar are supported by the support assembly 24, which can improve the stability of the bar and improve the processing accuracy.

[0022] Reference Figure 1 and Figure 3 The support assembly 24 includes a cylinder 241, a mounting frame 242 and a support pulley 243. The cylinder 241 is fixedly mounted on the outer wall of the support ring 23, the mounting frame 242 is fixedly mounted on the piston end of the cylinder 241, and the support pulley 243 is rotatably mounted on the mounting frame 242. By setting the support assembly 24, when the rod is rotated, the support pulley 243 can play a rolling support role around the rod, and can ensure that the rod can rotate freely while supporting the rod; the support pulley 243 is made of ceramic material. The ceramic pulley has extremely high hardness, low friction coefficient, wear resistance and heat resistance, which can extend the service life of the support pulley 243.

[0023] Reference Figure 1 and Figure 3The fixing assembly 25 includes an electric push rod 251 and an arc-shaped clamping plate 252. The electric push rod 251 is fixedly mounted on the outer wall of the support ring 23, and the arc-shaped clamping plate 252 is fixedly mounted on the telescopic end of the electric push rod 251. By setting the fixing assembly 25, if it is necessary to perform fixed-point processing on the rod material, the electric push rod 251 can be started to drive the arc-shaped clamping plate 252 to move, so that the arc-shaped clamping plate 252 clamps and fixes the rod material to ensure the stability of the rod material during processing; an anti-skid pad 253 is fixedly connected to the inner circumference of the arc-shaped clamping plate 252. By setting the anti-skid pad 253, the anti-skid ability of the arc-shaped clamping plate 252 can be improved.

[0024] The working principle and use process of the utility model are as follows: first, through the setting of two positioning mechanisms 2, when the bar is processed and positioned, the motor 12 can be started to drive the bidirectional screw 11 to rotate, so that the bidirectional screw 11 drives the support seat 21 to slide along the guide rod 13, and the spacing between the two positioning mechanisms 2 is adjusted according to the length of the bar, and the two positioning mechanisms 2 are respectively moved to the two ends of the bar, and then the bar is inserted into the support ring 23, and the two ends of the bar are supported by the support assembly 24, which can improve the stability of the bar and improve the processing accuracy. By setting the support assembly 24, when the bar is rotated, the support pulley 243 can play a rolling support role around the bar, and can ensure that the bar can rotate freely while supporting the bar. By setting the fixing assembly 25, if the bar needs to be processed at a fixed point, the electric push rod 251 can be started to drive the arc clamping plate 252 to move, so that the arc clamping plate 252 clamps and fixes the bar to ensure the stability of the bar during processing.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning device for manufacturing general equipment that is easy to fix, comprising a base frame (1) and a positioning mechanism (2), characterized in that: There are two positioning mechanisms (2), and the two positioning mechanisms (2) are symmetrically distributed on the base frame (1). The positioning mechanism (2) comprises a support seat (21), a bracket (22), a support ring (23), a support assembly (24) and a fixing assembly (25). The support seat (21) is slidably mounted on the base frame (1), the bracket (22) is fixedly connected to the support seat (21), and the support ring (23) is fixedly connected to the bracket (22). There are four support assemblies (24), and the four support assemblies (24) are annularly distributed on the support ring (23). The support assembly (24) comprises a cylinder (241), a mounting frame (242) and a support pulley (243). The cylinder (241) is fixedly mounted on the outer side wall of the support ring (23), the mounting frame (242) is fixedly mounted on the piston end of the cylinder (241), and the support pulley (243) is rotatably mounted on the mounting frame (242); A bidirectional screw (11) is rotatably mounted inside the base frame (1), the support seat (21) is sleeved on the bidirectional screw (11) and is threadedly connected to the bidirectional screw (11), a motor (12) is fixedly mounted on one end of the base frame (1), and the output shaft of the motor (12) is fixedly connected to one end of the bidirectional screw (11).

2. A positioning device for general equipment manufacturing that is easy to fix according to claim 1, characterized in that: The supporting pulley (243) is made of ceramic material.

3. A positioning device for general equipment manufacturing that is easy to fix according to claim 1, characterized in that: The fixing assembly (25) comprises an electric push rod (251) and an arc-shaped clamping plate (252); the electric push rod (251) is fixedly mounted on the outer side wall of the support ring (23); and the arc-shaped clamping plate (252) is fixedly mounted on the telescopic end of the electric push rod (251).

4. A positioning device for general equipment manufacturing that is easy to fix according to claim 3, characterized in that: An anti-slip pad (253) is fixedly connected to the inner circumference of the arc-shaped clamping plate (252).

5. A positioning device for general equipment manufacturing that is easy to fix according to claim 1, characterized in that: A guide rod (13) is fixedly mounted on one side of the bidirectional screw rod (11) inside the base frame (1), and the support seat (21) is slidably sleeved on the guide rod (13).

6. A positioning device for general equipment manufacturing that is easy to fix according to claim 1, characterized in that: The four corners of the base frame (1) are fixedly connected with mounting plates (14), and mounting holes are provided on the mounting plates (14).

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