Grinding machine tool for bearing surface machining

Abstract

The utility model relates to the technical field of bearing machining, and discloses a grinding machine tool for bearing surface machining, which comprises a machine tool body, a grinding mechanism is arranged at the top of the machine tool body, a driving mechanism is arranged on the left side of the grinding mechanism, and the grinding mechanism comprises a first grinding assembly and a second grinding assembly. The first grinding assembly is arranged on the left side of the top of the machine tool body, the second grinding assembly is arranged on the right side of the top of the machine tool body, in the using process, by arranging the grinding mechanism, the outer surfaces and one sides of bearings of different sizes can be ground at the same time in the bearing grinding process, and the grinding efficiency is improved; and under the action of a first air cylinder and a clamping plate, bearings of different sizes can be fixed, the stability of the bearings is guaranteed, and in the process of grinding the outer surfaces, a grinding roller can move left and right according to the sizes of the bearings, and all-directional grinding work is conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing processing, in particular to a grinding machine tool for bearing surface processing. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. Bearings often need to be ground during processing to achieve the appropriate size. Bearing grinding machines are special equipment for processing bearings. They can be used to grind, trim and adjust bearings to achieve precise size and surface quality requirements. Most grinding machines can only grind one side of the bearing at a time, which affects the grinding efficiency of the bearing.

[0003] According to the prior art, a bearing grinding device for bearing processing (authorization announcement number: CN 220806609U) is described, the bearing grinding device for bearing processing includes "a top plate, an electric push rod, a rack" and the like to perform grinding work.

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] The bearing grinding device for bearing processing utilizes a top plate, an electric push rod, a rack, etc. to perform grinding work. However, when this device is in use, although both sides of the bearing can be ground, when the bidirectional threaded rod drives the slider to move left and right to adjust the position of the grinding knife, the slider is not limited, resulting in the grinding knife rotating with the threaded rod and being unable to move left and right, so the grinding work cannot be performed. Therefore, it is necessary to improve this device. Utility Model Content

[0006] The purpose of the utility model is to provide a grinding machine tool for bearing surface processing to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding machine tool for bearing surface processing, comprising a machine tool body, a grinding mechanism is arranged on the top of the machine tool body, and a driving mechanism is arranged on the left side of the grinding mechanism;

[0008] The grinding mechanism comprises a first grinding assembly and a second grinding assembly, wherein the first grinding assembly is arranged on the left side of the top of the machine tool body, and the second grinding assembly is arranged on the right side of the top of the machine tool body;

[0009] The first grinding assembly includes a load-bearing plate, which is fixedly connected to the left side of the top of the machine tool body, a fixed sleeve is rotatably connected inside the load-bearing plate, a first cylinder is fixedly connected to the top of the right side of the fixed sleeve, a clamp is fixedly connected to the bottom of the first cylinder, a second cylinder is fixedly connected to the bottom of the right side of the load-bearing plate, the bottom of the second cylinder is in contact with the top of the machine tool body, a fixed frame is fixedly connected to the right side of the second cylinder, the fixed frame is slidably connected to the top of the machine tool body, a first servo motor is fixedly connected to the front side of the fixed frame, a bidirectional threaded rod is fixedly connected to the rear side of the first servo motor, the rear side of the bidirectional threaded rod is rotatably connected to the fixed frame, a moving column is threadedly connected to the outer periphery of the bidirectional threaded rod, a grinding roller is inserted into the moving column, and a fixing pin is threadedly connected to the moving column.

[0010] Preferably, the clamping plate is arc-shaped, and an anti-skid and wear-resistant pad is arranged on the inner side of the clamping plate. A slide groove is opened on the top of the machine tool body, and the bottom of the fixed frame is slidably connected to the slide groove, so that the slide groove can limit the fixed frame and make the fixed frame move left and right more stably.

[0011] Preferably, a movable groove is opened inside the fixed frame, the movable column is slidably connected in the movable groove, and the fixed pin passes through the inside of the grinding roller, so that the movable column can be limited by the movable groove. At the same time, under the action of the fixed pin, the grinding roller can be easily replaced.

[0012] Preferably, the second grinding assembly includes a second servo motor, which is fixedly connected to the right side of the machine tool body, a one-way threaded rod is fixedly connected to the left side of the second servo motor, the left side of the one-way threaded rod is rotatably connected to the inside of the machine tool body, the outer periphery of the one-way threaded rod is threadedly connected to a load-bearing frame, the top of the load-bearing frame is fixedly connected to a third cylinder, the bottom of the third cylinder is fixedly connected to a moving block, and the left side of the moving block is fixedly connected to a grinding stone.

[0013] Preferably, a limiting groove is provided on the top of the machine tool body, the load-bearing frame is slidably connected in the limiting groove, and the moving block is slidably connected inside the load-bearing frame, so that the load-bearing frame can be limited by the limiting groove, so that the load-bearing frame can drive the grinding stone to move left and right more stably.

[0014] Preferably, the driving mechanism includes a support frame, the support frame is fixedly connected to the left side of the load-bearing plate, the top of the support frame is fixedly connected to a third servo motor, the rear side of the third servo motor is fixedly connected to a worm, the top of the worm is meshed with a worm wheel, and the worm wheel is fixedly connected to the left side of the outer periphery of the fixed sleeve.

[0015] Preferably, a groove is provided on the top of the support frame, and the third servo motor is fixedly connected in the groove, so that the stability of the third servo motor can be improved through the groove.

[0016] Compared with the prior art, the utility model provides a grinding machine tool for bearing surface processing, which has the following beneficial effects:

[0017] 1. The grinding machine for bearing surface processing can realize the grinding work on the outer surface and one side of bearings of different sizes at the same time during the grinding process of the bearing by setting a grinding mechanism, thereby improving the grinding efficiency. Under the action of the first cylinder and the clamping plate, bearings of different sizes can be fixed to ensure the stability of the bearing. During the grinding of the outer surface, the grinding roller can be moved left and right according to the size of the bearing to perform all-round grinding, and the grinding roller can be replaced under the action of the fixing pin to improve the grinding effect and quality. First, one side of the bearing is placed in the fixing sleeve, and the clamping plate is driven to rise and fall by the first cylinder so that the inner side of the clamping plate contacts the outer periphery of the bearing to fix the bearing, and the anti-slip and wear-resistant pad provided on the inner side of the bearing can improve the fixing effect.

[0018] 2. The grinding machine for bearing surface processing can provide rotational power for the fixed sleeve through the set driving mechanism when the bearing is grinding, so that the fixed sleeve drives the bearing to rotate, thereby improving the grinding efficiency of the bearing surface. The worm wheel and worm have a self-locking function, which can ensure the stability of the bearing during rotation. First, the worm wheel engaged at the top of the worm is driven to rotate by the third servo motor, so that the worm wheel drives the fixed bearing in the fixed sleeve to rotate for grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

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

[0021] Figure 2 is a schematic diagram of the grinding mechanism structure;

[0022] Figure 3 is a schematic structural diagram of the first grinding assembly;

[0023] Figure 4 It is a schematic diagram of the internal structure of the load-bearing plate;

[0024] Figure 5 It is a schematic diagram of the structure of the right side of the second cylinder;

[0025] Figure 6is a schematic structural diagram of the second grinding assembly;

[0026] Figure 7 It is a schematic diagram of the driving mechanism structure.

[0027] In the figure: 1. machine tool body; 2. grinding mechanism; 3. driving mechanism; 21. first grinding assembly; 22. second grinding assembly; 211. load-bearing plate; 212. fixing sleeve; 213. first cylinder; 214. second cylinder; 215. clamping plate; 216. first servo motor; 217. fixing frame; 218. two-way threaded rod; 219. moving column; 2191. grinding roller; 2192. fixing pin; 221. second servo motor; 222. load-bearing frame; 223. one-way threaded rod; 224. moving block; 225. third cylinder; 226. grinding stone; 31. supporting frame; 32. third servo motor; 33. worm; 34. worm wheel. DETAILED DESCRIPTION

[0028] 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.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The utility model provides the following technical solutions:

[0031] Embodiment 1

[0032] See also Figure 1-7 The utility model provides a technical solution: a grinding machine tool for bearing surface processing, comprising a machine tool body 1, a grinding mechanism 2 is arranged on the top of the machine tool body 1, a driving mechanism 3 is arranged on the left side of the grinding mechanism 2, the grinding mechanism 2 comprises a first grinding assembly 21 and a second grinding assembly 22, the first grinding assembly 21 is arranged on the left side of the top of the machine tool body 1, and the second grinding assembly 22 is arranged on the right side of the top of the machine tool body 1;

[0033] The first grinding assembly 21 includes a load-bearing plate 211, which is fixedly connected to the left side of the top of the machine tool body 1. A fixed sleeve 212 is rotatably connected inside the load-bearing plate 211. A first cylinder 213 is fixedly connected to the top of the right side of the fixed sleeve 212. A clamping plate 215 is fixedly connected to the bottom of the first cylinder 213. A second cylinder 214 is fixedly connected to the bottom of the right side of the load-bearing plate 211. The bottom of the second cylinder 214 contacts the top of the machine tool body 1. A fixed frame 217 is fixedly connected to the right side of the second cylinder 214. The fixed frame 217 is slidably connected to the top of the machine tool body 1. A first servo motor 216 is fixedly connected to the front side of the fixed frame 217. A bidirectional threaded rod 218 is fixedly connected to the rear side of the first servo motor 216. The rear side of the bidirectional threaded rod 218 is rotatably connected to the inside of the fixed frame 217. A moving column 219 is threadedly connected to the outer periphery of the bidirectional threaded rod 218. A grinding roller 2191 is inserted into the inside of the moving column 219. A fixing pin 2192 is threadedly connected to the inside of the moving column 219.

[0034] The splint 215 is in an arc shape, and an anti-slip and wear-resistant pad is arranged on the inner side of the splint 215. A slide groove is provided on the top of the machine tool body 1, and the bottom of the fixed frame 217 is slidably connected in the slide groove, so that the fixed frame 217 can be limited by the slide groove, so that the fixed frame 217 can move left and right more stably. A movable groove is provided inside the fixed frame 217, and the movable column 219 is slidably connected in the movable groove. The fixed pin 2192 runs through the inside of the grinding roller 2191, so that the movable column 219 can be limited by the movable groove. At the same time, under the action of the fixed pin 2192, the grinding roller 2191 can be easily replaced.

[0035] See also Figure 1-7 The utility model provides a technical solution: the second grinding assembly 22 includes a second servo motor 221, the second servo motor 221 is fixedly connected to the right side of the machine tool body 1, the second servo motor 221 is fixedly connected to a one-way threaded rod 223 on the left side, the one-way threaded rod 223 is rotatably connected to the inside of the machine tool body 1 on the left side, the one-way threaded rod 223 is threadedly connected to a load-bearing frame 222 on the periphery, the load-bearing frame 222 is fixedly connected to a third cylinder 225 on the top, the third cylinder 225 is fixedly connected to a moving block 224 on the bottom, and the moving block 224 is fixedly connected to a grinding stone 226 on the left side, a limiting groove is provided on the top of the machine tool body 1, the load-bearing frame 222 is slidably connected to the limiting groove, and the moving block 224 is slidably connected to the inside of the load-bearing frame 222, so that the load-bearing frame 222 can be limited by the limiting groove, so that the load-bearing frame 222 drives the grinding stone 226 to move left and right more stably.

[0036] Embodiment 2

[0037] See also Figure 1-7On the basis of the first embodiment, the driving mechanism 3 further comprises a support frame 31, the support frame 31 is fixedly connected to the left side of the load-bearing plate 211, a third servo motor 32 is fixedly connected to the top of the support frame 31, a worm 33 is fixedly connected to the rear side of the third servo motor 32, a worm gear 34 is meshed with the top of the worm gear 33, the worm gear 34 is fixedly connected to the left side of the outer periphery of the fixed sleeve 212, a groove is opened on the top of the support frame 31, the third servo motor 32 is fixedly connected in the groove, so that the stability of the third servo motor 32 can be improved through the groove.

[0038] During actual operation, when this device is used, first, one side of the bearing is placed in the fixed sleeve 212, and the first cylinder 213 drives the clamping plate 215 to rise and fall, so that the inner side of the clamping plate 215 contacts the outer periphery of the bearing to fix the bearing, and the anti-skid and wear-resistant pad arranged on the inner side of the bearing can improve the fixing effect, and then the second servo motor 221 drives the load-bearing frame 222 connected to the outer periphery of the one-way threaded rod 223 to move left and right in the limiting groove, and the grinding stone 226 is moved to a suitable position on the right side of the bearing, and at the same time, the third cylinder 225 drives the moving block 224 to rise and fall in the load-bearing frame 222, so that the grinding stone 226 contacts the right side of the bearing, and at the same time, according to the size of the bearing, the first servo motor 216 drives the moving column 219 connected to the outer periphery of the two-way threaded rod 218 to move back and forth in the fixed frame 217, so that the inner side of the grinding roller 2191 contacts the outer periphery of the bearing, and when the adjustment is completed, the worm 33 is driven to top by the third servo motor 32 The meshed worm gear 34 rotates, so that the worm gear 34 drives the fixed bearing in the fixed sleeve 212 to rotate. When the bearing rotates, the outer surface and one side of the bearing can be ground respectively under the action of the grinding roller 2191 and the grinding stone 226. When grinding, the second cylinder 214 can drive the fixed frame 217 to move left and right in the slide groove on the top of the machine tool body 1, thereby driving the grinding roller 2191 to move left and right on the outer surface of the bearing, and the bearing is ground in all directions. When the grinding is completed, the direction in which the bearing is fixed can be replaced, and the position that the bearing has not been ground can be re-grinded to improve the grinding quality and efficiency. When the grinding roller 2191 needs to be replaced, it only needs to remove the fixing pin 2192 to release the limit of the grinding roller 2191, replace it, insert the new grinding roller 2191 into the moving column 219, and fix the grinding roller 2191 and the moving column 219 again through the fixing pin 2192.

[0039] 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. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A grinding machine for bearing surface processing, comprising a machine tool body (1), characterized in that: A grinding mechanism (2) is arranged on the top of the machine tool body (1), and a driving mechanism (3) is arranged on the left side of the grinding mechanism (2); The grinding mechanism (2) comprises a first grinding assembly (21) and a second grinding assembly (22), wherein the first grinding assembly (21) is arranged on the left side of the top of the machine tool body (1), and the second grinding assembly (22) is arranged on the right side of the top of the machine tool body (1); The first grinding assembly (21) comprises a bearing plate (211), the bearing plate (211) being fixedly connected to the left side of the top of the machine tool body (1), a fixing sleeve (212) being rotatably connected inside the bearing plate (211), a first cylinder (213) being fixedly connected to the top of the right side of the fixing sleeve (212), a clamping plate (215) being fixedly connected to the bottom of the first cylinder (213), a second cylinder (214) being fixedly connected to the bottom of the right side of the bearing plate (211), the bottom of the second cylinder (214) being in contact with the top of the machine tool body (1), and the right side of the second cylinder (214) being fixedly connected to the A fixed frame (217) is connected, the fixed frame (217) is slidably connected to the top of the machine tool body (1), the front side of the fixed frame (217) is fixedly connected to a first servo motor (216), the rear side of the first servo motor (216) is fixedly connected to a bidirectional threaded rod (218), the rear side of the bidirectional threaded rod (218) is rotatably connected to the inside of the fixed frame (217), the outer periphery of the bidirectional threaded rod (218) is threadedly connected to a moving column (219), a grinding roller (2191) is inserted into the inside of the moving column (219), and a fixing pin (2192) is threadedly connected to the inside of the moving column (219).

2. A grinding machine for bearing surface processing according to claim 1, characterized in that: The clamping plate (215) is in an arc shape, and an anti-skid and wear-resistant pad is arranged on the inner side of the clamping plate (215). A sliding groove is opened on the top of the machine tool body (1), and the bottom of the fixed frame (217) is slidably connected in the sliding groove.

3. The grinding machine for bearing surface processing according to claim 1, characterized in that: A movable groove is provided inside the fixed frame (217), the movable column (219) is slidably connected in the movable groove, and the fixed pin (2192) passes through the inside of the grinding roller (2191).

4. The grinding machine for bearing surface processing according to claim 1, characterized in that: The second grinding assembly (22) comprises a second servo motor (221), the second servo motor (221) is fixedly connected to the right side of the machine tool body (1), a one-way threaded rod (223) is fixedly connected to the left side of the second servo motor (221), the left side of the one-way threaded rod (223) is rotatably connected to the inside of the machine tool body (1), the outer periphery of the one-way threaded rod (223) is threadedly connected to a load-bearing frame (222), the top of the load-bearing frame (222) is fixedly connected to a third cylinder (225), the bottom of the third cylinder (225) is fixedly connected to a moving block (224), and the left side of the moving block (224) is fixedly connected to a grinding stone (226).

5. A grinding machine for bearing surface processing according to claim 4, characterized in that: A limiting groove is provided on the top of the machine tool body (1), the load-bearing frame (222) is slidably connected in the limiting groove, and the moving block (224) is slidably connected inside the load-bearing frame (222).

6. The grinding machine for bearing surface processing according to claim 1, characterized in that: The driving mechanism (3) comprises a support frame (31), the support frame (31) is fixedly connected to the left side of the load-bearing plate (211), a third servo motor (32) is fixedly connected to the top of the support frame (31), a worm (33) is fixedly connected to the rear side of the third servo motor (32), a worm wheel (34) is meshed at the top of the worm wheel (33), and the worm wheel (34) is fixedly connected to the left side of the outer periphery of the fixing sleeve (212).

7. A grinding machine for bearing surface processing according to claim 6, characterized in that: The top of the support frame (31) is provided with a groove, and the third servo motor (32) is fixedly connected in the groove.

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