Crankshaft surface burr polishing device

Abstract

The crankshaft surface burr polishing device comprises a bottom plate, a first supporting frame is arranged on one side of the upper end of the bottom plate, a second supporting frame is arranged on the other side of the upper end of the bottom plate, a rotating processing structure is movably installed at the upper end of the first supporting frame, and the rotating processing structure is movably installed at the lower end of the second supporting frame. The rotation processing structure comprises a driving motor, a driving shaft, an operation box body, a first connecting block and a plurality of baffles; according to the crankshaft grinding device, the arranged operation box rotates at a constant speed, all-directional grinding operation is conducted on a crankshaft through particles in the operation box, the overall grinding effect of the crankshaft is guaranteed, multiple sets of driving programs do not need to be set, and the grinding operation steps are reduced; and a sliding closing plate is adopted, stable closing of the feeding port can be achieved, grinding particles in the operation box body are prevented from falling off in the grinding process, and the overall taking effect of the crankshaft is not affected by adopting a sliding installation mode.

Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft processing, in particular to a device for grinding burrs on the surface of a crankshaft. Background Art

[0002] The crankshaft is the most important part of the engine. It bears the force from the connecting rod and converts it into torque, which is output through the crankshaft and drives other accessories on the engine. The crankshaft is acted upon by the centrifugal force of the rotating mass, the periodically changing gas inertia force and the reciprocating inertia force.

[0003] Most of the current crankshaft burr grinding equipment uses a high-speed rotating brush to grind the crankshaft burrs. During use, the grinding position of the brush needs to be constantly changed, which makes the overall operation more cumbersome. In addition, when facing crankshaft grinding operations of different specifications, multiple sets of driver programs need to be set according to needs, which makes it difficult to ensure the overall grinding efficiency of the crankshaft. Therefore, a new technical solution needs to be designed to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to provide a device for grinding burrs on the surface of a crankshaft, so as to solve the problem that when the existing device for grinding burrs on the surface of a crankshaft proposed in the above background technology is in use, most of the crankshaft burr grinding equipment adopts a high-speed rotating brush to grind the burrs on the crankshaft. During use, it is necessary to constantly change the grinding position of the brush, which makes the overall operation more cumbersome. In addition, when facing the grinding operations of crankshafts of different specifications, it is necessary to set multiple sets of driving programs according to needs, and it is difficult to ensure the overall grinding efficiency of the crankshaft.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for grinding burrs on the surface of a crankshaft, comprising a base plate, a first support frame is provided on one side of the upper end of the base plate, a second support frame is provided on the other side of the upper end of the base plate, a rotation processing structure is movably installed on the upper end of the first support frame, and the rotation processing structure comprises a driving motor, a driving shaft, an operating box, a first connecting block and a plurality of baffles;

[0006] The driving motor is fixedly installed on the upper end of one side of the first supporting frame, the driving shaft is movably embedded in the first supporting frame, and one end is connected to the driving end of the driving motor, one end of the operating box is fixedly installed on the other end of the driving shaft, the first connecting block is fixedly installed at the center of one side of the operating box, and a plurality of baffles are evenly distributed on the inner wall of the operating box.

[0007] As a preferred device for grinding burrs on the crankshaft surface of the utility model, the upper end of the operating box is provided with a feed closing structure, and the feed closing structure includes a feed inlet, two mounting slide grooves, a sliding closing plate, a positioning plate and a positioning bolt;

[0008] The feed port is opened on the upper wall of the operating box body, the two mounting slide grooves are installed on the outer wall of the operating box body, and are respectively located on both sides of the feed port, the two ends of the sliding closing plate are respectively movably embedded in the two mounting slide grooves, the two ends of the positioning plate are respectively fixedly installed on the upper end of one side of the two mounting slide grooves, and the positioning bolts are movably embedded in the positioning plates.

[0009] As a preferred device for grinding burrs on the surface of a crankshaft of the utility model, a rotating support structure is provided on one side of the upper end of the second support frame, and the rotating support structure includes two mounting blocks, two bearing seats, two auxiliary shafts and two auxiliary rotating wheels;

[0010] The two mounting blocks are respectively installed on both sides of the upper end of the second support frame, the two bearing seats are respectively installed on the wall surface of one side of the two mounting blocks, one end of the two auxiliary shafts are respectively movably embedded in the two bearing seats, and the two auxiliary rotating wheels are respectively movably mounted on the upper ends of the two auxiliary shafts.

[0011] As a preferred device for grinding burrs on the crankshaft surface of the utility model, an adjustment installation structure is movably embedded in the other side wall of the operating box, and the adjustment installation structure includes a mounting sleeve, a sliding mounting rod, a second connecting block and two adjustment bolts;

[0012] The mounting sleeve is fixedly embedded in a side wall of the operating box, the sliding mounting rod is movably embedded in the mounting sleeve, the second connecting block is fixedly installed at one end of the sliding mounting rod and is located in the operating box, and the two adjusting bolts are movably embedded in the upper wall and the lower wall of the mounting sleeve respectively.

[0013] As a preferred device for grinding burrs on the surface of a crankshaft of the utility model, connection reinforcing ribs are provided at the connection between the first support frame and the second support frame and the base plate.

[0014] As a preferred device for grinding burrs on the surface of a crankshaft of the utility model, a support plate is provided at the connection between the driving motor and the first support frame.

[0015] As a preferred device for grinding burrs on the surface of a crankshaft of the utility model, the shape of the sliding closing plate is arc-shaped, and the lower wall surface of the sliding closing plate is tightly fitted with the outer wall of the operating box body.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the setting of the crankshaft surface burr grinding device has a reasonable structural design;

[0017] 1. The operating box is set to rotate at a uniform speed, and the particles in the operating box are used to perform a full range of grinding operations on the crankshaft to ensure the overall grinding effect of the crankshaft. There is no need to set multiple sets of driver programs, which reduces the grinding operation steps;

[0018] 2. The sliding closing plate can achieve stable closure of the feed port to prevent the grinding particles in the operating box from falling off during the grinding process. The sliding installation method does not affect the overall picking effect of the crankshaft.

[0019] 3. By setting the adjustable installation structure, the distance between the second connecting block and the first connecting block can be changed, so that the installation operation of crankshafts of different specifications can be realized, and the overall fixing stability of the crankshaft can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0021] Figure 2 This is a rear-view stereoscopic structural schematic diagram of the utility model;

[0022] Figure 3 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0023] Figure 4 This is an enlarged structural diagram of point A of the utility model.

[0024] In the figure: 1, bottom plate, 2, first support frame, 3, second support frame, 4, drive motor, 5, drive shaft, 6, operating box, 7, first connecting block, 8, baffle, 9, feed port, 10, mounting slide, 11, sliding closing plate, 12, positioning plate, 13, positioning bolt, 14, mounting block, 15, bearing seat, 16, auxiliary shaft, 17, auxiliary rotating wheel, 18, mounting sleeve, 19, sliding mounting rod, 20, second connecting block, 21, adjusting bolt, 22, connecting reinforcement rib, 23, support plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 , the utility model provides a technical solution:

[0027] In the technical scheme, a device for grinding burrs on the surface of a crankshaft includes a base plate 1, a first support frame 2 is provided on one side of the upper end of the base plate 1, a second support frame 3 is provided on the other side of the upper end of the base plate 1, and a rotating processing structure is movably installed on the upper end of the first support frame 2, and the rotating processing structure includes a driving motor 4, a driving shaft 5, an operating box 6, a first connecting block 7 and a plurality of baffles 8;

[0028] The driving motor 4 is fixedly installed on the upper end of one side of the first support frame 2, the driving shaft 5 is movably embedded in the first support frame 2, and one end is connected to the driving end of the driving motor 4, one end of the operating box 6 is fixedly installed on the other end of the driving shaft 5, the first connecting block 7 is fixedly installed at the center of one side of the operating box 6, and a number of baffles 8 are evenly distributed on the inner wall of the operating box 6.

[0029] In this technical solution, the driving motor 4 and the driving shaft 5 cooperate to drive the operating box 6 to rotate at a uniform speed, and the crankshaft is polished by the polishing particles in the operating box 6. The falling height of the polishing particles can be increased by setting a number of baffles 8 to increase the polishing effect. The first connecting block 7 can be used to fix one end of the crankshaft to ensure the fixing stability of the crankshaft.

[0030] In some technical solutions, reference Figure 1 The upper end of the operating box 6 is provided with a feed closing structure, which includes a feed port 9, two mounting chutes 10, a sliding closing plate 11, a positioning plate 12 and a positioning bolt 13;

[0031] The feed port 9 is opened on the upper wall of the operating box 6, and the two mounting grooves 10 are installed on the outer wall of the operating box 6 and are respectively located on both sides of the feed port 9. The two ends of the sliding closing plate 11 are respectively movably embedded in the two mounting grooves 10, and the two ends of the positioning plate 12 are respectively fixedly installed on the upper end of one side of the two mounting grooves 10, and the positioning bolts 13 are movably embedded in the positioning plate 12.

[0032] In this technical solution, the positioning bolt 13 at the upper end of the positioning plate 12 is turned in the opposite direction to separate the bottom end of the positioning bolt 13 from the upper end of the sliding closing plate 11. The sliding closing plate 11 can then be moved to one side in the two mounting grooves 10 to fully expose the feed port 9. This allows the crankshaft to be installed and the grinding particles to be added. The sliding closing plate 11 is then reset to close the feed port 9. The positioning bolt 13 is then turned to fix the position of the sliding closing plate 11 to ensure the closing effect of the feed port 9.

[0033] In some technical solutions, reference Figure 1 A rotating support structure is provided on one side of the upper end of the second support frame 3, and the rotating support structure includes two mounting blocks 14, two bearing seats 15, two auxiliary shafts 16 and two auxiliary rotating wheels 17;

[0034] The two mounting blocks 14 are respectively mounted on both sides of the upper end of the second support frame 3, the two bearing seats 15 are respectively mounted on the wall surface of one side of the two mounting blocks 14, one end of the two auxiliary shafts 16 are respectively movably embedded in the two bearing seats 15, and the two auxiliary rotating wheels 17 are respectively movably mounted on the upper ends of the two auxiliary shafts 16.

[0035] In this technical solution, when the operating box 6 is driven, the auxiliary rotating wheel 17 located at the upper end of the auxiliary shaft 16 contacts the operating box 6. As the operating box 6 rotates, the auxiliary rotating wheel 17 and the auxiliary shaft 16 rotate in the bearing seat 15. Under the connection of the two mounting blocks 14, the operating box 6 is stably supported in rotation by the second support frame 3.

[0036] In some technical solutions, reference Figure 1 The other side wall of the operating box 6 is movably embedded with an adjustment installation structure, which includes a mounting sleeve 18, a sliding mounting rod 19, a second connecting block 20 and two adjustment bolts 21;

[0037] The mounting sleeve 18 is fixedly embedded in a wall surface on one side of the operating box 6, the sliding mounting rod 19 is movably embedded in the mounting sleeve 18, the second connecting block 20 is fixedly installed at one end of the sliding mounting rod 19 and is located in the operating box 6, and the two adjusting bolts 21 are movably embedded in the upper wall surface and the lower wall surface of the mounting sleeve 18 respectively.

[0038] In this technical solution, by means of a sliding mounting rod 19 movably embedded in the mounting sleeve 18, its overall position in the mounting sleeve 18 can be changed, and the distance between the second connecting block 20 and the first connecting block 7 can be adjusted to meet the requirements for fixing crankshafts of different specifications. By cooperating with the second connecting block 20 and the first connecting block 7, the two ends of the crankshaft can be fixed.

[0039] In some technical solutions, reference Figure 1 The first support frame 2 and the second support frame 3 are connected to the bottom plate 1 with connection reinforcing ribs 22 .

[0040] In some technical solutions, reference Figure 1 A support plate 23 is provided at the connection between the driving motor 4 and the first support frame 2 .

[0041] In some technical solutions, reference Figure 1 The shape of the sliding closing plate 11 is arc-shaped, and the lower wall surface of the sliding closing plate 11 is tightly fitted with the outer wall of the operation box 6.

[0042] Working principle: When performing burr grinding operation on the crankshaft, the positioning bolt 13 on the upper end of the positioning plate 12 is screwed in the opposite direction to separate the bottom end of the positioning bolt 13 from the upper end of the sliding closing plate 11, and the sliding closing plate 11 can be moved to one side in the two mounting grooves 10 to fully expose the feed port 9, so as to realize the installation of the crankshaft and the addition of grinding particles. The sliding mounting rod 19 movably embedded in the mounting sleeve 18 can change its overall position in the mounting sleeve 18, and adjust the distance between the second connecting block 20 and the first connecting block 7 to meet the fixing requirements of crankshafts of different specifications. The second connecting block 20 cooperates with the first connecting block 7 to fix the two ends of the crankshaft, and then the sliding closing plate 11 is reset to close the feed port 9, and then the positioning bolt 13 is screwed to fix the crankshaft. The sliding closing plate 11 is fixed in position to ensure the closing effect of the feed port 9, and then the operation box 6 can be driven to rotate at a uniform speed by the cooperation of the set driving motor 4 and the driving shaft 5, and the crankshaft is polished by the polishing particles in the operation box 6. The falling height of the polishing particles can be increased by setting a number of baffles 8 to increase the polishing effect. One end of the crankshaft can be fixed by setting the first connecting block 7 to ensure the fixing stability of the crankshaft. When the operation box 6 is driven, the auxiliary rotating wheel 17 located at the upper end of the auxiliary shaft 16 contacts the operation box 6. As the operation box 6 rotates, the auxiliary rotating wheel 17 and the auxiliary shaft 16 rotate in the bearing seat 15. Under the connection of the two mounting blocks 14, the operation box 6 is stably supported in rotation by the second support frame 3.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A device for grinding burrs on the surface of a crankshaft, comprising a base plate (1), characterized in that: A first support frame (2) is provided on one side of the upper end of the base plate (1), and a second support frame (3) is provided on the other side of the upper end of the base plate (1). A rotation processing structure is movably mounted on the upper end of the first support frame (2), and the rotation processing structure comprises a drive motor (4), a drive shaft (5), an operating box (6), a first connecting block (7) and a plurality of baffles (8); The drive motor (4) is fixedly mounted on the upper end of one side of the first support frame (2); the drive shaft (5) is movably embedded in the first support frame (2), and one end is connected to the drive end of the drive motor (4); one end of the operation box (6) is fixedly mounted on the other end of the drive shaft (5); the first connecting block (7) is fixedly mounted at the center of one side of the operation box (6); and a plurality of baffles (8) are evenly distributed on the inner wall of the operation box (6).

2. The device for grinding burrs on the crankshaft surface according to claim 1, characterized in that: The upper end of the operating box (6) is provided with a feed closing structure, which includes a feed inlet (9), two mounting slide grooves (10), a sliding closing plate (11), a positioning plate (12) and a positioning bolt (13); The feed port (9) is opened on the upper wall of the operating box (6), the two installation slots (10) are installed on the outer wall of the operating box (6), and are respectively located on both sides of the feed port (9), the two ends of the sliding closing plate (11) are respectively movably embedded in the two installation slots (10), the two ends of the positioning plate (12) are respectively fixedly installed on the upper end of one side of the two installation slots (10), and the positioning bolt (13) is movably embedded in the positioning plate (12).

3. The device for grinding burrs on the crankshaft surface according to claim 1, characterized in that: A rotation support structure is provided on one side of the upper end of the second support frame (3), and the rotation support structure comprises two mounting blocks (14), two bearing seats (15), two auxiliary shafts (16) and two auxiliary rotating wheels (17); The two mounting blocks (14) are respectively mounted on both sides of the upper end of the second support frame (3); the two bearing seats (15) are respectively mounted on the wall surfaces of one side of the two mounting blocks (14); one end of the two auxiliary shafts (16) is respectively movably embedded in the two bearing seats (15); and the two auxiliary rotating wheels (17) are respectively movably sleeved on the upper ends of the two auxiliary shafts (16).

4. The device for grinding burrs on the crankshaft surface according to claim 1, characterized in that: An adjustment installation structure is movably embedded in the other side wall of the operating box (6), and the adjustment installation structure comprises a mounting sleeve (18), a sliding mounting rod (19), a second connecting block (20) and two adjustment bolts (21); The mounting sleeve (18) is fixedly embedded in a side wall of the operating box (6); the sliding mounting rod (19) is movably embedded in the mounting sleeve (18); the second connecting block (20) is fixedly installed at one end of the sliding mounting rod (19) and is located in the operating box (6); and the two adjusting bolts (21) are movably embedded in the upper wall and the lower wall of the mounting sleeve (18), respectively.

5. The device for grinding burrs on the crankshaft surface according to claim 1, characterized in that: Connecting reinforcement ribs (22) are provided at the connection points between the first supporting frame (2) and the second supporting frame (3) and the bottom plate (1).

6. The device for grinding burrs on the crankshaft surface according to claim 1, characterized in that: A support plate (23) is provided at the connection between the driving motor (4) and the first support frame (2).

7. The device for grinding burrs on the crankshaft surface according to claim 2, characterized in that: The sliding closing plate (11) is in an arc shape, and the lower wall surface of the sliding closing plate (11) is tightly fitted with the outer wall of the operating box (6).

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