Crankshaft journal polishing equipment

Abstract

The utility model discloses crankshaft journal polishing equipment, which relates to the technical field of crankshaft processing and comprises a polishing table, a support is arranged on the polishing table, an electric telescopic rod is mounted on the inner wall of the support, an ejector pin is rotatably connected to the extension end of the electric telescopic rod, a first motor is mounted on the outer wall of the support, and a second motor is mounted on the outer wall of the support. A first motor is arranged on the support, a connecting rod is fixedly connected to the output end of the first motor, a chuck is arranged on the connecting rod, and a grinding assembly is arranged on the support and comprises a second motor, a screw and a fixing block. In the using process, chippings generated in the grinding process can fall into the collecting groove downwards, the situation that the chippings enter related parts and affect normal operation of the whole device is avoided, meanwhile, the electric push rod drives the push plate to move, the chippings in the collecting groove can be scraped into the collecting box, and the working efficiency is improved. And therefore, workers can conveniently process the chippings in a unified manner, and the use convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft processing, in particular to a crankshaft journal polishing device. Background Art

[0002] The crankshaft is the most critical component in the engine. In order to reduce the wear of the crankshaft main journal and connecting rod journal during operation and ensure the smooth operation of the crankshaft, the main journal and connecting rod journal need to be polished when processing the crankshaft.

[0003] A crankshaft journal polishing device with the publication number CN217255404U is retrieved, comprising a processing table, a fixed plate is fixedly connected to the rear surface of the processing table, a connecting ring is arranged on the front surface of the fixing plate, a fixed rod is fixedly connected to the top surface of the processing table, an electric push rod is fixedly connected to the front surface of the fixing rod, a slide groove is provided on the top surface of the fixing rod, an output end of the electric push rod passes through the fixing rod and extends to the inside of the slide groove, a slider is fixedly connected to the output end of the electric push rod, and the slider is slidably connected to the slide groove, an adjustable polishing device is arranged on the processing table, through the setting of the adjustable polishing device, by adjusting the distance between the two polishing rollers, the polishing roller is brought into contact with the crankshaft, thereby completing the polishing of the crankshaft, and by adjusting the distance between the two polishing rollers, crankshafts of different diameters can be polished, thereby improving the scope of application of the device and improving the practicability of the device.

[0004] In view of the above-mentioned related technologies, the inventor believes that when the above-mentioned device is used to grind the crankshaft, the grinding debris will fall on the processing table and inside the related parts, which not only makes it inconvenient for the staff to clean up the debris, but also the debris falling inside the parts easily affects the normal use of the related parts and easily causes damage to the polishing device, which makes the device have certain limitations during use. To this end, we propose a crankshaft journal polishing device. Utility Model Content

[0005] In view of the above problems existing in the existing crankshaft journal polishing equipment, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a crankshaft journal polishing device, which solves the problem that when the above-mentioned device is grinding the crankshaft, the grinding debris will fall on the processing table and the inside of related parts, which makes it inconvenient for the staff to clean the debris, and the debris falling inside the parts can easily affect the normal use of the related parts and easily cause damage to the polishing device, thereby causing certain limitations in the use of the device.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A crankshaft journal polishing device comprises a polishing table, wherein the polishing table is provided with a bracket, an electric telescopic rod is installed on the inner wall of the bracket, and a thimble is rotatably connected on the extending end of the electric telescopic rod, a first motor is installed on the outer wall of the bracket, a connecting rod is fixedly connected to the output end of the first motor, a chuck is provided on the connecting rod, and a grinding assembly is provided on the bracket, wherein the grinding assembly comprises a second motor, a screw and a fixing block, the second motor is installed on the outer wall of the bracket, one end of the screw is rotatably connected to the inner wall of the bracket, the other end of the screw is fixedly connected to the output end of the second motor, the fixing block is threadedly connected to the screw, an electric lifting rod is provided on the bottom outer wall of the fixing block, a grinding block is provided on the extending end of the electric lifting rod, a collecting groove is opened on the polishing table, an electric push rod is installed on the outer wall of the polishing table, and the extending end of the electric push rod penetrates into the interior of the collecting groove and is fixedly connected to a push plate.

[0009] Preferably, a discharge port is provided on the polishing table, and the discharge port is communicated with a collecting tank. A collecting box is installed on the outer wall of the polishing table, and the opening position of the collecting box corresponds to the position of the discharge port.

[0010] Preferably, a support seat is provided on the outer wall of the bottom of the polishing table, and the number of the support seats is four, and the four support seats are evenly distributed at the four corners of the bottom of the polishing table.

[0011] Preferably, a limiting groove is provided on the top inner wall of the bracket, a limiting block is provided on the top outer wall of the fixing block, and the fixing block is connected by being engaged with the limiting groove via the limiting block.

[0012] Furthermore, the fitting surface of the grinding block is arranged in an arc-shaped structure.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] During use, the utility model can prevent the debris generated during the grinding process from falling into the collection tank, thereby preventing the debris from entering the interior of related components and affecting the normal operation of the entire device. At the same time, the electric push rod drives the push plate to move, and the debris inside the collection tank can be scraped into the collection box, thereby facilitating the staff to uniformly handle the debris and improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

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

[0017] Figure 2 This is a schematic diagram of the structure of the grinding assembly of the utility model;

[0018] Figure 3 This is a schematic diagram of the polishing table structure of the utility model.

[0019] Description of reference numerals:

[0020] 1. Polishing table; 2. Support seat; 3. Bracket; 4. Electric telescopic rod; 5. Ejector; 6. First motor; 7. Connecting rod; 8. Chuck; 9. Grinding assembly; 10. Second motor; 11. Screw; 12. Fixed block; 13. Electric lifting rod; 14. Grinding block; 15. Limit block; 16. Collecting trough; 17. Electric push rod; 18. Push plate; 19. Discharge port; 20. Collecting box. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] The utility model embodiment discloses a crankshaft journal polishing device.

[0023] The utility model provides Figure 1-3 The crankshaft journal polishing device shown in the figure comprises a polishing table 1, a bracket 3 is provided on the polishing table 1, an electric telescopic rod 4 is installed on the inner wall of the bracket 3, an ejector pin 5 is rotatably connected to the extended end of the electric telescopic rod 4, a first motor 6 is installed on the outer wall of the bracket 3, a connecting rod 7 is fixedly connected to the output end of the first motor 6, a chuck 8 is provided on the connecting rod 7, a grinding assembly 9 is provided on the bracket 3, and the grinding assembly 9 includes a second motor 10, a screw 11 and a fixing block 12, and the second motor 10 is installed on the outer wall of the bracket 3. The polishing table 1 is provided with a collecting groove 16, and an electric push rod 17 is installed on the outer wall of the polishing table 1. The extending end of the electric push rod 17 passes through the interior of the collecting groove 16 and is fixedly connected to a push plate 18.

[0024] The utility model provides a crankshaft journal polishing device, a discharge port 19 is provided on the polishing table 1, the discharge port 19 is communicated with a collecting tank 16, a collecting box 20 is installed on the outer wall of the polishing table 1, the opening position of the collecting box 20 corresponds to the position of the discharge port 19, and the debris scraped off by the push plate 18 can be collected, so that it is convenient for the staff to uniformly process it, thereby improving the overall operation convenience.

[0025] The utility model discloses a crankshaft journal polishing device, wherein a support seat 2 is provided on the bottom outer wall of a polishing table 1, and the number of the support seats 2 is four. The four support seats 2 are evenly distributed at the four corners of the bottom of the polishing table 1, and can provide a stable supporting effect for the polishing table 1, thereby improving the stability of the device during use.

[0026] The utility model provides a crankshaft journal polishing device, a limit groove is provided on the top inner wall of the bracket 3, a limit block 15 is provided on the top outer wall of the fixed block 12, the fixed block 12 is connected with the limit groove through the limit block 15, and a limit guide function can be provided for the fixed block 12 to prevent the fixed block 12 from rotating with the rotation of the screw rod 11 and affecting the use effect.

[0027] In the crankshaft journal polishing device of the utility model, the fitting surface of the grinding block 14 is arranged in an arc-shaped structure, so that the grinding block 14 can fit the crankshaft journal more closely, thereby improving the grinding effect.

[0028] When in use, first fix one end of the crankshaft with the chuck 8, then start the electric telescopic rod 4 to drive the ejector pin 5 to move to fix the other end of the crankshaft. After fixing is completed, start the first motor 6 to drive the crankshaft to rotate, then start the electric lifting rod 13 to drive the grinding block 14 to descend until the grinding block 14 contacts the outer wall of the crankshaft, and the crankshaft can be polished at this time. At the same time, the screw rod 11 can be driven to rotate by starting the second motor 10. Since the fixing block 12 is threadedly connected to the screw 11 and is limited by the limit block 15, the fixing block 12 can be started to move, and then the grinding block 14 can be driven to move, so that different positions of the crankshaft journal can be polished. The debris generated during the grinding process will fall into the inside of the collecting tank 16. After the grinding is completed, the electric push rod 17 can be started to drive the push plate 18 to move, so as to scrape the debris inside the collecting tank 16 into the collection box 20, so that the staff can uniformly handle the debris and improve the convenience of use.

[0029] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A crankshaft journal polishing device, comprising a polishing table (1), characterized in that: The polishing table (1) is provided with a bracket (3), an electric telescopic rod (4) is installed on the inner wall of the bracket (3), an extension end of the electric telescopic rod (4) is rotatably connected to a pin (5), a first motor (6) is installed on the outer wall of the bracket (3), a connecting rod (7) is fixedly connected to the output end of the first motor (6), a chuck (8) is provided on the connecting rod (7), a grinding assembly (9) is provided on the bracket (3), the grinding assembly (9) comprises a second motor (10), a screw rod (11) and a fixing block (12), the second motor (10) is installed on the outer wall of the bracket (3), the screw rod (11) is fixed to the output end of the first motor (6), and a chuck (8) is provided on the connecting rod (7). One end of the screw (11) is rotatably connected to the inner wall of the bracket (3), the other end of the screw rod (11) is fixedly connected to the output end of the second motor (10), the fixed block (12) is threadedly connected to the screw rod (11), an electric lifting rod (13) is provided on the bottom outer wall of the fixed block (12), a grinding block (14) is provided on the extended end of the electric lifting rod (13), a collecting groove (16) is provided on the polishing table (1), an electric push rod (17) is installed on the outer wall of the polishing table (1), the extended end of the electric push rod (17) passes through the inside of the collecting groove (16) and is fixedly connected to a push plate (18).

2. The crankshaft journal polishing device according to claim 1, characterized in that: The polishing table (1) is provided with a discharge port (19), the discharge port (19) is communicated with the collecting tank (16), a collecting box (20) is installed on the outer wall of the polishing table (1), and the opening position of the collecting box (20) corresponds to the position of the discharge port (19).

3. The crankshaft journal polishing device according to claim 1, characterized in that: A support seat (2) is provided on the outer wall of the bottom of the polishing table (1), and there are four support seats (2). The four support seats (2) are evenly distributed at the four corners of the bottom of the polishing table (1).

4. The crankshaft journal polishing device according to claim 1, characterized in that: A limiting groove is provided on the top inner wall of the bracket (3), a limiting block (15) is provided on the top outer wall of the fixing block (12), and the fixing block (12) is engaged and connected with the limiting groove via the limiting block (15).

5. The crankshaft journal polishing device according to claim 1, characterized in that: The fitting surface of the grinding block (14) is arranged in an arc-shaped structure.

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