Pretreatment device used before machining of mechanical parts

Abstract

The utility model belongs to the technical field of pretreatment devices, and particularly relates to a pretreatment device for mechanical parts before machining, which comprises a pretreatment platform. The top of the pretreatment platform is fixedly connected with a fixed frame; a fixed seat is arranged in the middle of the pretreatment platform; the outer side wall of the fixed seat is fixedly connected with an electric push rod; a plurality of groups of electric push rods are symmetrically arranged on the outer side wall of the fixed seat; the other end of the electric push rod is fixedly connected to the side wall of the pretreatment platform; the inner side wall of the fixed seat is fixedly connected with a first fixed plate; according to the step, through the arrangement of a pretreatment platform, a fixing frame, a fixing base, a first fixing plate, an adjusting threaded rod, a clamping plate, an electric push rod, a first ejector rod and a first spring, the special-shaped workpiece is clamped, fixed and ground, the clamping stability of the special-shaped workpiece during pretreatment is improved, and the situation that the quality of the ground workpiece is reduced due to deviation of the workpiece when the workpiece is stressed is reduced; and the use safety of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pre-processing devices, in particular to a pre-processing device before machining of mechanical parts. Background Art

[0002] Mechanical parts processing is a process of using processing machinery to change the shape, size or performance of the workpiece, which is mainly divided into two methods: cold processing and hot processing.

[0003] Cold processing of mechanical parts is carried out at room temperature and will not cause chemical or physical changes in the workpiece. Common cold processing methods include cutting and pressure processing. There are many types of mechanical parts processing, including laser cutting, heavy processing, metal bonding, metal drawing, plasma cutting, precision welding, etc. Before processing, mechanical parts need to be pre-treated on the workpiece surface, such as grinding and cleaning the iron filings or burrs on the workpiece surface. In the existing mechanical parts processing pretreatment technology, when processing special-shaped parts, the conventional fixing device may cause the workpiece to be offset when clamping the workpiece during processing, resulting in a problem of reduced quality of the polished workpiece.

[0004] To this end, the utility model provides a pre-processing device for mechanical parts before processing. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a pre-processing device for mechanical parts before processing described in the utility model comprises a pre-processing platform; a fixing frame is fixedly connected to the top of the pre-processing platform; a fixing seat is provided in the middle of the pre-processing platform; an electric push rod is fixedly connected to the outer wall of the fixing seat; the electric push rods are arranged in multiple groups on the outer wall of the fixing seat, and are symmetrically arranged; the other end of the electric push rod is fixedly connected to the side wall of the pre-processing platform; a first fixing plate is fixedly connected to the inner wall of the fixing seat; a pair of the first fixing plates are arranged in the inner wall of the fixing seat, and are symmetrically arranged; an adjusting threaded rod is threadedly connected to the middle part of the first fixing plate; a clamping plate is rotatably connected to the end of the adjusting threaded rod; a first push rod is provided in the middle of the clamping plate; multiple groups of the first push rods are arranged in the middle of the clamping plate, and are evenly distributed in the middle of the clamping plate; a first spring is sleeved on the outer wall of the first push rod close to the adjusting threaded rod; the first spring One end is fixedly connected to the side wall of the clamping plate; the other end of the first spring is fixedly connected to the end of the first push rod; a grinding assembly is provided in the middle of the fixing frame; during operation, the special-shaped workpiece is placed on the fixing seat, the adjusting threaded rod is screwed, the clamping plate clamps and fixes the special-shaped workpiece, when the clamping plate contacts the special-shaped workpiece, the first push rod contacts the special-shaped workpiece, and under the action of the first spring, the first push rod fixes the special-shaped workpiece in the fixing seat, the grinding assembly grinds the surface of the special-shaped workpiece, grinds away rust or burrs on the surface of the special-shaped workpiece, and the electric push rod works to drive the workpiece to move and grind; this step clamps, fixes and grinds the special-shaped workpiece through the setting of the pretreatment platform, the fixing frame, the fixing seat, the first fixing plate, the adjusting threaded rod, the clamping plate, the electric push rod, the first push rod and the first spring, thereby improving the stability of the clamping of the special-shaped workpiece during pretreatment, reducing the deviation of the workpiece when the workpiece is subjected to force, resulting in a decrease in the quality of the polished workpiece, and improving the safety of the device when in use.

[0007] Preferably, a second push rod is provided in the middle of the fixed seat; multiple groups of the second push rods are arranged in the middle of the fixed seat and are evenly distributed in the middle of the fixed seat; the top end of the second push rod is fixedly connected to a suction cup; the bottom end of the second push rod is fixedly connected to a second spring; the other end of the second spring is fixedly connected to the inside of the fixed seat; during operation, when the workpiece is placed on the fixed seat, the bottom of the workpiece contacts and is adsorbed and fixed with the suction cup, and the suction cup drives the second push rod to move downward and compresses the second spring, and after the workpiece is removed, the second spring drives the second push rod and the suction cup to reset; this step fixes the workpiece on the fixed seat through the arrangement of the second push rod, the suction cup and the second spring, thereby improving the stability of the workpiece during processing, reducing the situation where the workpiece is offset by external force during processing, and improving the quality of the polished workpiece.

[0008] Preferably, the side wall of the fixing frame is fixedly connected to a second fixing plate; a pair of the second fixing plates are arranged on the side wall of the fixing frame and are symmetrically arranged; a nozzle is provided in the middle of the second fixing plate; during operation, the nozzle is connected to compressed air, and when grinding the workpiece, the nozzle blows air toward the workpiece to blow off dust or debris on the surface of the workpiece; this step improves the cleanliness of the surface of the workpiece during pretreatment, reduces the adhesion of foreign matter or debris on the workpiece, and improves the quality of pretreatment grinding through the arrangement of the second fixing plate and the nozzle.

[0009] Preferably, the pretreatment platform is hinged with a swing arm near the top of the fixed seat; the top of the swing arm is fixedly connected to a fixed block; the side wall of the fixed block is hinged with a protective plate; during operation, when pretreatment of the workpiece, the angles of the swing arm and the protective plate are adjusted, and the protective plate plays a protective role; this step plays a protective role when pretreatment of the workpiece through the setting of the swing arm, the fixed block and the protective plate, improves the adjustability of the device, reduces the splash of debris, and improves the safety of the device when in use.

[0010] Preferably, the side wall of the clamping plate away from the adjusting threaded rod is fixedly connected with a rubber pad; the rubber pads are arranged in multiple groups on the side wall of the clamping plate and are evenly distributed on the side wall of the clamping plate; during operation, when the clamping plate contacts the special-shaped workpiece, the rubber pad contacts the workpiece to increase the contact area; this step increases the contact area between the clamping plate and the workpiece by setting the rubber pad, reduces the possibility of deviation when the workpiece is clamped, and improves the stability of the workpiece during installation.

[0011] Preferably, universal wheels are fixedly connected to the bottom of the pretreatment platform; multiple groups of universal wheels are arranged at the bottom of the pretreatment platform and are evenly distributed at the four corners of the bottom of the pretreatment platform; during work, when the pretreatment platform needs to be moved, it is moved through the universal wheels; this step improves the convenience of moving the pretreatment platform through the setting of universal wheels.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model is a pre-processing device for mechanical parts before processing. By setting a pre-processing platform, a fixing frame, a fixing seat, a first fixing plate, an adjusting threaded rod, a clamping plate, an electric push rod, a first push rod, and a first spring, a special-shaped workpiece is clamped, fixed, and polished, thereby improving the stability of clamping the special-shaped workpiece during pre-processing, reducing the deviation of the workpiece when it is subjected to force, resulting in a decrease in the quality of the polished workpiece, and improving the safety of the device when in use.

[0014] 2. The utility model provides a pre-processing device for mechanical parts before processing, which fixes the workpiece on a fixed seat by means of a second push rod, a suction cup and a second spring, thereby improving the stability of the workpiece during processing, reducing the displacement of the workpiece caused by external forces during processing, and improving the quality of the polished workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the cooperation between the fixing seat and the electric push rod in the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the first push rod and the clamping plate in the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the protective plate and the swing rod in the utility model;

[0020] In the figure: 1. pretreatment platform; 11. fixing frame; 12. fixing seat; 13. first fixing plate; 14. adjusting threaded rod; 15. clamping plate; 16. electric push rod; 17. first push rod; 18. first spring; 2. second push rod; 21. suction cup; 22. second spring; 3. second fixing plate; 31. nozzle; 4. swing rod; 41. fixing block; 42. protective plate; 5. rubber pad; 6. universal wheel. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figures 1 to 3As shown, a pre-processing device for mechanical parts before processing described in an embodiment of the utility model comprises a pre-processing platform 1; a fixing frame 11 is fixedly connected to the top of the pre-processing platform 1; a fixing seat 12 is provided in the middle of the pre-processing platform 1; an electric push rod 16 is fixedly connected to the outer wall of the fixing seat 12; the electric push rod 16 is arranged in multiple groups on the outer wall of the fixing seat 12, and is symmetrically arranged; the other end of the electric push rod 16 is fixedly connected to the side wall of the pre-processing platform 1; the inner wall of the fixing seat 12 is fixedly connected to the first fixing plate 1 3; a pair of the first fixing plates 13 are arranged on the inner side wall of the fixing seat 12, and are arranged symmetrically; an adjusting threaded rod 14 is threadedly connected to the middle of the first fixing plate 13; a clamping plate 15 is rotatably connected to the end of the adjusting threaded rod 14; a first push rod 17 is arranged in the middle of the clamping plate 15; a plurality of groups of the first push rods 17 are arranged in the middle of the clamping plate 15, and are evenly distributed in the middle of the clamping plate 15; a first spring 18 is sleeved on the outer side wall of the first push rod 17 close to the adjusting threaded rod 14; one end of the first spring 18 is fixed The first spring 18 is fixedly connected to the side wall of the clamping plate 15; the other end of the first spring 18 is fixedly connected to the end of the first push rod 17; a grinding assembly is provided in the middle of the fixing frame 11; during operation, the special-shaped workpiece is placed on the fixing seat 12, and the adjusting threaded rod 14 is screwed, and the clamping plate 15 clamps and fixes the special-shaped workpiece. When the clamping plate 15 contacts the special-shaped workpiece, the first push rod 17 contacts the special-shaped workpiece. Under the action of the first spring 18, the first push rod 17 fixes the special-shaped workpiece in the fixing seat 12, and the grinding assembly grinds the surface of the special-shaped workpiece. , the rust or burrs on the surface of the special-shaped workpiece are polished, and the electric push rod 16 works to drive the workpiece to move and polish; this step clamps and polishes the special-shaped workpiece through the setting of the pretreatment platform 1, the fixing frame 11, the fixing seat 12, the first fixing plate 13, the adjusting threaded rod 14, the clamping plate 15, the electric push rod 16, the first push rod 17, and the first spring 18, thereby improving the clamping stability of the special-shaped workpiece during pretreatment, reducing the deviation of the workpiece when the workpiece is subjected to force, resulting in a decrease in the quality of the polished workpiece, and improving the safety of the device when in use.

[0023] like Figure 3As shown, a second push rod 2 is provided in the middle of the fixed seat 12; multiple groups of the second push rods 2 are arranged in the middle of the fixed seat 12 and are evenly distributed in the middle of the fixed seat 12; a suction cup 21 is fixedly connected to the top end of the second push rod 2; a second spring 22 is fixedly connected to the bottom end of the second push rod 2; the other end of the second spring 22 is fixedly connected to the inside of the fixed seat 12; during operation, when the workpiece is placed on the fixed seat 12, the bottom of the workpiece contacts and is adsorbed and fixed with the suction cup 21, and the suction cup 21 drives the second push rod 2 to move downward and compresses the second spring 22. After the workpiece is removed, the second spring 22 drives the second push rod 2 and the suction cup 21 to reset; in this step, the workpiece is fixed on the fixed seat 12 by the arrangement of the second push rod 2, the suction cup 21 and the second spring 22, so as to improve the stability of the workpiece during processing, reduce the displacement of the workpiece caused by external force during processing, and improve the quality of the polished workpiece.

[0024] like Figure 1 As shown, the side wall of the fixing frame 11 is fixedly connected with a second fixing plate 3; a pair of the second fixing plates 3 are arranged on the side wall of the fixing frame 11, and are symmetrically arranged; a nozzle 31 is arranged in the middle of the second fixing plate 3; during operation, the nozzle 31 is connected to compressed air, and when grinding the workpiece, the nozzle 31 blows air toward the workpiece to blow off dust or debris on the surface of the workpiece; this step improves the cleanliness of the surface of the workpiece during pretreatment, reduces the adhesion of foreign matter or debris on the workpiece, and improves the quality of pretreatment grinding through the arrangement of the second fixing plate 3 and the nozzle 31.

[0025] like Figure 4 As shown, the pretreatment platform 1 is hinged with a swing rod 4 near the top of the fixed seat 12; the top of the swing rod 4 is fixedly connected to a fixed block 41; the side wall of the fixed block 41 is hinged with a protective plate 42; during operation, when pretreatment of workpieces, the angles of the swing rod 4 and the protective plate 42 are adjusted, and the protective plate 42 plays a protective role; this step plays a protective role when pretreatment of workpieces through the setting of the swing rod 4, the fixed block 41, and the protective plate 42, improves the adjustability of the device, reduces the splash of debris, and improves the safety of the device when in use.

[0026] like Figure 2 As shown, the side wall of the clamping plate 15 away from the adjusting threaded rod 14 is fixedly connected with a rubber pad 5; the rubber pad 5 is arranged in multiple groups on the side wall of the clamping plate 15 and is evenly distributed on the side wall of the clamping plate 15; during operation, when the clamping plate 15 contacts the special-shaped workpiece, the rubber pad 5 contacts the workpiece to increase the contact area; this step increases the contact area between the clamping plate 15 and the workpiece by setting the rubber pad 5, reduces the possibility of deviation when the workpiece is clamped, and improves the stability of the workpiece during installation.

[0027] like Figure 1As shown, the bottom of the pretreatment platform 1 is fixedly connected with universal wheels 6; the universal wheels 6 are arranged in multiple groups at the bottom of the pretreatment platform 1 and are evenly distributed at the four corners of the bottom of the pretreatment platform 1; during work, when the pretreatment platform 1 needs to be moved, it is moved through the universal wheels 6; this step improves the convenience of moving the pretreatment platform 1 through the setting of the universal wheels 6.

[0028] like Figure 4 As shown, the protective plate 42 is made of heat-resistant material; during operation, sparks and debris generated by grinding come into contact with the protective plate 42 , and the protective plate 42 is made of heat-resistant material, thereby increasing the service life of the protective plate 42 .

[0029] During operation, the special-shaped workpiece is placed on the fixing seat 12, and the adjusting threaded rod 14 is screwed, so that the clamping plate 15 clamps and fixes the special-shaped workpiece. When the clamping plate 15 contacts the special-shaped workpiece, the first push rod 17 contacts the special-shaped workpiece. Under the action of the first spring 18, the first push rod 17 fixes the special-shaped workpiece in the fixing seat 12, and the grinding component grinds the surface of the special-shaped workpiece to grind away the rust or burrs on the surface of the special-shaped workpiece. The electric push rod 16 works to drive the workpiece to move and grind. When the workpiece is placed on the fixing seat 12, the bottom of the workpiece contacts and is fixed by adsorption with the suction cup 21, and the suction cup 21 is used to fix the workpiece. The disk 21 drives the second push rod 2 to move downward and compresses the second spring 22. After the workpiece is removed, the second spring 22 drives the second push rod 2 and the suction cup 21 to reset. The nozzle 31 is connected to compressed air. When grinding the workpiece, the nozzle 31 blows air toward the workpiece to blow off dust or debris on the surface of the workpiece. When pre-processing the workpiece, the angles of the swing rod 4 and the protective plate 42 are adjusted, and the protective plate 42 plays a protective role. When the clamping plate 15 contacts the special-shaped workpiece, the rubber pad 5 contacts the workpiece to increase the contact area. When the pre-processing platform 1 needs to be moved, it is moved through the universal wheel 6.

[0030] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A pre-processing device for mechanical parts before processing, comprising a pre-processing platform (1); characterized in that: The top of the pretreatment platform (1) is fixedly connected to a fixing frame (11); a fixing seat (12) is provided in the middle of the pretreatment platform (1); an electric push rod (16) is fixedly connected to the outer wall of the fixing seat (12); a plurality of electric push rods (16) are arranged on the outer wall of the fixing seat (12) and are symmetrically arranged; the other end of the electric push rod (16) is fixedly connected to the side wall of the pretreatment platform (1); a first fixing plate (13) is fixedly connected to the inner wall of the fixing seat (12); a pair of the first fixing plates (13) are arranged on the inner wall of the fixing seat (12) and are symmetrically arranged; the middle of the first fixing plate (13) is threadedly connected to the fixing plate (13); An adjusting threaded rod (14) is provided; the end of the adjusting threaded rod (14) is rotatably connected to a clamping plate (15); a first push rod (17) is provided in the middle of the clamping plate (15); a plurality of first push rods (17) are arranged in the middle of the clamping plate (15) and are evenly distributed in the middle of the clamping plate (15); a first spring (18) is sleeved on the outer wall of the first push rod (17) close to the adjusting threaded rod (14); one end of the first spring (18) is fixedly connected to the side wall of the clamping plate (15); the other end of the first spring (18) is fixedly connected to the end of the first push rod (17); and a grinding assembly is provided in the middle of the fixing frame (11).

2. The pre-processing device for mechanical parts according to claim 1 is characterized in that: A second push rod (2) is provided in the middle of the fixing seat (12); a plurality of second push rods (2) are provided in the middle of the fixing seat (12) and are evenly distributed in the middle of the fixing seat (12); a suction cup (21) is fixedly connected to the top end of the second push rod (2); a second spring (22) is fixedly connected to the bottom end of the second push rod (2); and the other end of the second spring (22) is fixedly connected to the inside of the fixing seat (12).

3. A pre-processing device for mechanical parts according to claim 2, characterized in that: The side wall of the fixing frame (11) is fixedly connected to a second fixing plate (3); a pair of the second fixing plates (3) are arranged on the side wall of the fixing frame (11) and are symmetrically arranged; a nozzle (31) is provided in the middle of the second fixing plate (3).

4. A pre-processing device for mechanical parts according to claim 3, characterized in that: A swing rod (4) is hingedly connected to the top of the pretreatment platform (1) near the fixed seat (12); a fixed block (41) is fixedly connected to the top of the swing rod (4); and a protective plate (42) is hingedly connected to the side wall of the fixed block (41).

5. The pre-processing device for mechanical parts according to claim 4 is characterized in that: A rubber pad (5) is fixedly connected to the side wall of the clamping plate (15) away from the adjusting threaded rod (14); a plurality of groups of the rubber pads (5) are arranged on the side wall of the clamping plate (15) and are evenly distributed on the side wall of the clamping plate (15).

6. The pre-processing device for mechanical parts according to claim 5 is characterized in that: The bottom of the pretreatment platform (1) is fixedly connected with universal wheels (6); a plurality of universal wheels (6) are arranged at the bottom of the pretreatment platform (1) and are evenly distributed at the four corners of the bottom of the pretreatment platform (1).

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