Positioning device for machining mechanical parts

Abstract

The utility model relates to the technical field of mechanical part machining, in particular to a positioning device for mechanical part machining, which can be used for conveniently clamping and positioning parts with different sizes, improving the fixing effect, conveniently rotating the parts to adjust the machining angle and improving the part machining efficiency. Comprising a workbench, four sets of supporting legs are fixedly arranged at the bottom end of the workbench, a motor is fixedly installed at the bottom end of a fixing frame, clamping plates are fixedly connected to the output ends of two sets of side hydraulic cylinders, sliding grooves are formed in the inner sides of the two sets of clamping plates, L-shaped adjusting plates are slidably arranged on the two sets of clamping plates through cooperation of the sliding grooves, and U-shaped pin rods are slidably arranged above the outer sides of the two sets of clamping plates; the two sets of U-shaped pin rods are fixedly connected with reset springs, the inner sides of the two sets of reset springs are fixedly connected with the outer sides of the two sets of clamping plates correspondingly, the two sets of L-shaped adjusting plates are fixedly provided with upper hydraulic cylinders, and the output ends of the two sets of upper hydraulic cylinders are fixedly connected with pressing plates.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical parts processing, in particular to a positioning device for mechanical parts processing. Background Art

[0002] Mechanical parts are the basic elements that make up machinery and are the inseparable individual parts that make up machinery and machines.

[0003] When mechanical parts are being processed, they need to be positioned to ensure their stability during the processing. During the positioning and processing of parts, the existing positioning devices are not convenient for clamping and positioning according to parts of different sizes, and the fixing effect is poor. When the processing angle of the mechanical parts needs to be adjusted, manual rotation is required, which is troublesome and affects the processing efficiency of the parts. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a positioning device for mechanical parts processing, which can conveniently clamp and position parts of different sizes, improve the fixing effect, facilitate the adjustment of the processing angle of the rotating parts, and improve the processing efficiency of the parts.

[0005] Technical Solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for machining mechanical parts, comprising a workbench, a rotating mechanism and a positioning mechanism, wherein four groups of legs are fixedly arranged at the bottom of the workbench, the rotating mechanism comprises a motor, a fixed frame is fixedly arranged at the bottom of the workbench, the motor is fixedly mounted at the bottom of the fixed frame, a loading platform is rotatably mounted at the center of the top of the workbench, a driving shaft is rotatably mounted on the workbench and the fixed frame, the top of the driving shaft is fixedly connected to the bottom of the loading platform, the bottom of the driving shaft is fixedly connected to the output end of the motor, the positioning mechanism comprises two groups of side hydraulic cylinders, and two groups of side hydraulic cylinders are symmetrically fixedly connected to the top of the workbench. A fixed plate, two groups of side hydraulic cylinders are respectively fixedly installed on the outsides of the two groups of fixed plates, the output ends of the two groups of side hydraulic cylinders are fixedly connected with clamps, the inner sides of the two groups of clamps are provided with slide grooves, and L-shaped adjustment plates are slidably provided on the two groups of clamps through the cooperation of the slide grooves, U-shaped pins are slidably provided on the upper sides of the outer sides of the two groups of clamps, and the outer ends of the two groups of L-shaped adjustment plates are provided with multiple rows of positioning holes matching the L-shaped adjustment plates, and reset springs are fixedly connected to the two groups of U-shaped pins, and the inner sides of the two groups of reset springs are respectively fixedly connected to the outer sides of the two groups of clamps, upper hydraulic cylinders are fixedly installed on the two groups of L-shaped adjustment plates, and the output ends of the two groups of upper hydraulic cylinders are fixedly connected with pressure plates.

[0007] Preferably, a cleaning mechanism is provided on the workbench, and the cleaning mechanism includes a pull rod. A sliding hole is provided on the top of the workbench. The pull rod is slidably installed on the workbench by cooperating with the sliding hole. The pull rod is located in the right front of the loading platform. A cleaning plate is fixedly connected to the top of the pull rod, and brushes are evenly arranged on the bottom of the cleaning plate.

[0008] Preferably, a handle is fixedly connected to the top of the cleaning plate.

[0009] Preferably, the inner sides of the two groups of clamping plates and the bottom ends of the two groups of pressure plates are fixedly connected with fastening pads.

[0010] Preferably, a sliding sleeve is fixedly provided in the sliding hole on the workbench.

[0011] Preferably, pull rings are fixedly connected to the outer sides of the two groups of U-shaped pin rods.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when in use, the parts to be processed are placed on the loading platform, and the L-shaped adjustment plate is adjusted to an appropriate position according to the size and height of the parts. When adjusting the position of the L-shaped adjustment plate, the U-shaped pin rod is pulled outward to disengage the U-shaped pin rod from the positioning hole, the reset spring is compressed, and then the position of the L-shaped adjustment plate is slid and adjusted. After the position of the L-shaped adjustment plate is adjusted, the U-shaped pin rod is loosened, the reset spring rebounds to insert the U-shaped pin rod into the positioning hole at the corresponding position, the position of the L-shaped adjustment plate is fixed, and then the side hydraulic cylinder is started to make the side hydraulic cylinder Push the clamping plate to move inward so that it clamps the parts from both sides, and then start the upper hydraulic cylinder to push the pressure plate downward so that it clamps the parts from both sides. This makes it easy to clamp and position parts of different sizes and improves the fixing effect. When the processing angle of the part needs to be adjusted, release the clamping of the part, start the motor, and drive the stage to rotate through the drive shaft, so that the stage drives the parts to rotate and adjust. After adjustment, clamp the parts again, which makes it easy to rotate the parts to adjust the processing angle and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 2 It is a front structural schematic diagram of the utility model;

[0015] Figure 3 It is a partial axonometric structural diagram of the positioning mechanism in the utility model;

[0016] Figure 4 It is a schematic diagram of the axonometric structure of the cooperation between the U-shaped pin and the L-shaped adjustment plate in the utility model;

[0017] Figure 5It is a schematic diagram of the axonometric structure of the cleaning mechanism in the utility model when viewed from above;

[0018] Markings in the attached figure: 1. workbench; 2. outrigger; 3. motor; 4. fixed frame; 5. loading platform; 6. driving shaft; 7. side hydraulic cylinder; 8. fixed plate; 9. clamping plate; 10. L-shaped adjustment plate; 11. U-shaped pin rod; 12. reset spring; 13. upper hydraulic cylinder; 14. pressure plate; 15. pull rod; 16. cleaning plate; 17. brush; 18. handle; 19. fastening pad; 20. sliding sleeve; 21. pull ring. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] Example

[0021] See also Figure 1-Figure 5The utility model is a positioning device for machining mechanical parts, comprising a workbench 1, wherein four groups of legs 2 are fixedly arranged at the bottom end of the workbench 1, a fixing frame 4 is fixedly arranged at the bottom end of the workbench 1, a motor 3 is fixedly installed at the bottom end of the fixing frame 4, a loading platform 5 is rotatably installed at the center of the top end of the workbench 1, a driving shaft 6 is rotatably installed on the workbench 1 and the fixing frame 4, the top end of the driving shaft 6 is fixedly connected to the bottom end of the loading platform 5, the bottom end of the driving shaft 6 is fixedly connected to the output end of the motor 3, two groups of fixing plates 8 are symmetrically fixedly connected to the top end of the workbench 1, two groups of side hydraulic cylinders 7 are respectively fixedly installed on the outsides of the two groups of fixing plates 8, and the two groups of side hydraulic cylinders 7 are fixedly installed on the outsides of the two groups of fixing plates 8. The output ends are fixedly connected with a clamping plate 9, and the inner sides of the two groups of clamping plates 9 are provided with a slide groove. The two groups of clamping plates 9 are slidably provided with an L-shaped adjustment plate 10 through the cooperation of the slide groove. The upper outer sides of the two groups of clamping plates 9 are slidably provided with a U-shaped pin rod 11. The outer ends of the two groups of L-shaped adjustment plates 10 are provided with multiple rows of positioning holes matching the L-shaped adjustment plates 10. The two groups of U-shaped pin rods 11 are fixedly connected with a return spring 12. The inner sides of the two groups of return springs 12 are respectively fixedly connected to the outer sides of the two groups of clamping plates 9. The two groups of L-shaped adjustment plates 10 are fixedly installed with an upper hydraulic cylinder 13, and the output ends of the two groups of upper hydraulic cylinders 13 are fixedly connected with a pressing plate 14. When in use, Place the parts to be processed on the stage 5, and adjust the L-shaped adjustment plate 10 to an appropriate position according to the size and height of the parts. When adjusting the position of the L-shaped adjustment plate 10, pull the U-shaped pin 11 outward to disengage the U-shaped pin 11 from the positioning hole, compress the reset spring 12, and then slide and adjust the position of the L-shaped adjustment plate 10. After the position of the L-shaped adjustment plate 10 is adjusted, release the U-shaped pin 11, and the reset spring 12 rebounds to insert the U-shaped pin 11 into the positioning hole at the corresponding position, fix the position of the L-shaped adjustment plate 10, and then start the side hydraulic cylinder 7 to push the clamping plate 9 inward. Move sideways to make the clamping plate 9 clamp the parts from both sides, and then start the upper hydraulic cylinder 13 to push the pressure plate 14 downward, so that the pressure plate 14 clamps the parts from both sides. This makes it convenient to clamp and position parts of different sizes and improves the fixing effect. When the processing angle of the part needs to be adjusted, the clamping of the part is released, and the motor 3 is started to drive the stage 5 to rotate through the drive shaft 6, so that the stage 5 drives the parts to rotate and adjust. After the adjustment, the parts can be clamped again, which makes it convenient to rotate the parts to adjust the processing angle and improves work efficiency.

[0022] The workbench 1 is provided with a cleaning mechanism, which includes a pull rod 15. A sliding hole is provided on the top of the workbench 1. The pull rod 15 is slidably installed on the workbench 1 by cooperating with the sliding hole. The pull rod 15 is located in the right front of the loading platform 5. A cleaning plate 16 is fixedly connected to the top of the pull rod 15, and brushes 17 are evenly arranged on the bottom of the cleaning plate 16. When in use, when debris accumulates on the surface of mechanical parts, the pull rod 15 can be pulled up, and then the cleaning plate 16 can be rotated so that the cleaning plate 16 can brush the surface of the parts through the brush 17, so that the debris generated during the processing of the parts can be easily cleaned away.

[0023] A handle 18 is fixedly connected to the top of the cleaning plate 16; the handle 18 can make the cleaning plate 16 more convenient to rotate.

[0024] The inner sides of the two groups of clamping plates 9 and the bottom ends of the two groups of pressing plates 14 are fixedly connected with fastening pads 19; by providing the fastening pads 19, the clamping plates 9 and the pressing plates 14 can be more tightly and securely used for positioning and clamping parts.

[0025] A sliding sleeve 20 is fixedly provided in the sliding hole on the workbench 1 ; by providing the sliding sleeve 20 , the pull rod 15 can slide more smoothly when being pulled up.

[0026] The outer sides of the two groups of U-shaped pin rods 11 are fixedly connected with pull rings 21; by providing the pull rings 21, the U-shaped pin rods 11 can be more convenient to pull out.

[0027] The utility model is a positioning device for machining mechanical parts. Its working principle is that when in use, the parts to be processed are placed on the loading platform 5, and the L-shaped adjustment plate 10 is adjusted to an appropriate position according to the size and height of the parts. When adjusting the position of the L-shaped adjustment plate 10, the U-shaped pin rod 11 is pulled outward to disengage the U-shaped pin rod 11 from the positioning hole, and the reset spring 12 is compressed, and then the position of the L-shaped adjustment plate 10 is slid and adjusted. After the position of the L-shaped adjustment plate 10 is adjusted, the U-shaped pin rod 11 is loosened, and the reset spring 12 rebounds to insert the U-shaped pin rod 11 into the positioning hole at the corresponding position, and the position of the L-shaped adjustment plate 10 is fixed, and then the side hydraulic cylinder 7 is started to make the side hydraulic cylinder 7 The pressure cylinder 7 pushes the clamping plate 9 to move inward, so that the clamping plate 9 clamps the parts from both sides, and then starts the upper hydraulic cylinder 13, so that the upper hydraulic cylinder 13 pushes the pressure plate 14 to move downward, so that the pressure plate 14 clamps the parts from both sides. When the processing angle of the parts needs to be adjusted, the clamping of the parts is released, and the motor 3 is started to drive the stage 5 to rotate through the drive shaft 6, so that the stage 5 drives the parts to rotate and adjust. After adjustment, the parts can be clamped again. When debris accumulates on the surface of the mechanical parts, the pull rod 15 can be pulled up, and then the cleaning plate 16 can be rotated so that the cleaning plate 16 can brush the surface of the parts through the brush 17 to clean up the accumulated debris.

[0028] The utility model is a positioning device for machining mechanical parts, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the motor, side hydraulic cylinder and upper hydraulic cylinder of the positioning device for machining mechanical parts of the utility model are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manual.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A positioning device for machining mechanical parts, comprising a workbench (1), characterized in that: It also includes a rotating mechanism and a positioning mechanism; A workbench (1), wherein four groups of legs (2) are fixedly provided at the bottom end of the workbench (1); A rotating mechanism, the rotating mechanism comprising a motor (3), a fixing frame (4) fixedly provided at the bottom of the workbench (1), the motor (3) fixedly mounted at the bottom end of the fixing frame (4), a loading platform (5) rotatably mounted at the center of the top end of the workbench (1), a driving shaft (6) rotatably mounted on the workbench (1) and the fixing frame (4), the top end of the driving shaft (6) fixedly connected to the bottom end of the loading platform (5), and the bottom end of the driving shaft (6) fixedly connected to the output end of the motor (3); The positioning mechanism comprises two groups of side hydraulic cylinders (7), the top of the workbench (1) is symmetrically fixedly connected with two groups of fixed plates (8), the two groups of side hydraulic cylinders (7) are respectively fixedly installed on the outside of the two groups of fixed plates (8), the output ends of the two groups of side hydraulic cylinders (7) are fixedly connected with clamping plates (9), the inner sides of the two groups of clamping plates (9) are provided with sliding grooves, the two groups of clamping plates (9) are slidably provided with L-shaped adjustment plates (10) through the cooperation of the sliding grooves, and the upper sides of the outer sides of the two groups of clamping plates (9) are slidably connected with L-shaped adjustment plates (10) through the cooperation of the sliding grooves. A U-shaped pin rod (11) is provided, and the outer ends of the two groups of L-shaped adjustment plates (10) are provided with a plurality of rows of positioning holes matching the L-shaped adjustment plates (10). The two groups of U-shaped pin rods (11) are fixedly connected with a return spring (12), and the inner sides of the two groups of return springs (12) are respectively fixedly connected with the outer sides of the two groups of clamping plates (9). The two groups of L-shaped adjustment plates (10) are fixedly installed with an upper hydraulic cylinder (13), and the output ends of the two groups of upper hydraulic cylinders (13) are fixedly connected with a pressure plate (14).

2. The positioning device for machining mechanical parts according to claim 1, characterized in that: The workbench (1) is provided with a cleaning mechanism, which includes a pull rod (15). A sliding hole is provided on the top of the workbench (1). The pull rod (15) is installed on the workbench (1) by sliding in cooperation with the sliding hole. The pull rod (15) is located in the right front of the loading platform (5). A cleaning plate (16) is fixedly connected to the top of the pull rod (15), and brushes (17) are evenly arranged on the bottom of the cleaning plate (16).

3. The positioning device for machining mechanical parts according to claim 2, characterized in that: A handle (18) is fixedly connected to the top of the cleaning plate (16).

4. The positioning device for machining mechanical parts according to claim 3, characterized in that: The inner sides of the two groups of clamping plates (9) and the bottom ends of the two groups of pressing plates (14) are fixedly connected with fastening pads (19).

5. The positioning device for machining mechanical parts according to claim 4, characterized in that: A sliding sleeve (20) is fixedly provided in the sliding hole on the workbench (1).

6. The positioning device for machining mechanical parts according to claim 5, characterized in that: Pull rings (21) are fixedly connected to the outer sides of the two groups of U-shaped pin rods (11).

Images