Grinding device for crankshaft machining

Abstract

The utility model relates to the technical field of crankshaft machining, and discloses a crankshaft machining grinding device which comprises a grinding device body, a grinding mechanism is arranged at the top of the grinding device body, a collecting mechanism is arranged at the bottom of the grinding device body, and supporting legs are fixedly connected to the bottom of the grinding device body. The crankshaft grinding device comprises a grinding device body, a fixing block is fixedly connected to the top of the grinding device body, a base is arranged on the left side of a grinding mechanism, and the grinding mechanism comprises a fixing assembly and a grinding assembly. According to the crankshaft fixing device, a crankshaft can be fixed according to the size of the crankshaft, the distance between the second fixing frame and the first fixing frame can be adjusted under the action of the first threaded rod and the sliding rod, the requirement for fixing crankshafts with different lengths is met, and adaptability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crankshaft processing, specifically is a grinding device for crankshaft processing. BACKGROUND

[0002] The crankshaft is one of the most important components in the engine, and its main function is to convert the reciprocating linear motion of the piston connecting rod into rotary motion and drive other accessories on the engine through the crankshaft output. After rough machining of the crankshaft, the journal needs to be ground. The current grinding device cannot fix crankshafts of different sizes and lengths during use, affecting the grinding effect and applicability.

[0003] According to the easily controlled grinding device for crankshaft processing (authorized publication number: CN210081329U) described in the patent network, the easily controlled grinding device for crankshaft processing includes "base, shelf plate, handlebar" and the like to perform grinding work.

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

[0005] The easily controlled grinding device for crankshaft processing uses a base, shelf plate, handlebar and the like to perform grinding work. This device fixes the crankshaft by left and right fixed cylinders during use. Since the size of the crankshaft is different, this device cannot change the diameter of the left and right fixed cylinders, so it cannot fix crankshafts of different sizes. In addition, the length of the crankshaft is also different, and this device is manually operated, which affects the grinding efficiency. Therefore, the device needs to be improved. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a grinding device for crankshaft processing to solve the problems raised in the background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a grinding device for crankshaft processing, comprising a grinding device body, the grinding device body top is provided with grinding mechanism, the grinding device body bottom is provided with collection mechanism, the grinding device body bottom is fixedly connected with support leg, the grinding device body top is fixedly connected with fixed block, the grinding mechanism left side is provided with base;

[0008] The grinding mechanism includes a fixed component and a grinding component, the fixed component is arranged on the top of the grinding device body, and the grinding component is arranged on the top of the grinding device body;

[0009] The fixed assembly comprises a bearing frame fixedly connected to the top of the grinding device body, a rotating rod rotatably connected in the bearing frame, a worm gear fixedly connected to the periphery of the rotating rod, a worm fixedly connected to the front side of the worm gear, a first servo motor fixedly connected to the front side of the worm, a first fixed frame fixedly connected to the right side of the rotating rod, an adjusting rod screwedly connected in the first fixed frame, a first clamping plate rotatably connected to the bottom of the adjusting rod, a first fixed rod fixedly connected to the inner side of the first fixed frame, a scale fixedly connected to the inner side of the bearing frame, a second servo motor fixedly connected to the right side of the bearing frame, a first threaded rod fixedly connected to the left side of the second servo motor, a moving frame screwedly connected to the periphery of the first threaded rod, a sliding rod slidably connected in the moving frame, a second fixed frame fixedly connected to the left side of the moving frame, a first air cylinder fixedly connected to the top of the second fixed frame, a second clamping plate fixedly connected to the bottom of the first air cylinder, and a second fixed rod fixedly connected to the inner side of the second fixed frame.

[0010] Preferably, the left side of the bearing frame is fixedly connected to the right side of the base, and the first servo motor is fixedly connected to the top of the base, so as to conveniently drive the worm to rotate under the action of the first servo motor.

[0011] Preferably, the left side of the first threaded rod is rotatably connected to the inner side of the bearing frame, and the sliding rod is fixedly connected to the inner side of the bearing frame, so as to conveniently drive the moving frame to move under the action of the first threaded rod and the sliding rod.

[0012] Preferably, the first clamping plate and the second clamping plate are both arc-shaped, and rubber protection pads are arranged on the inner sides of the first clamping plate and the second clamping plate, so as to conveniently fix the crankshaft under the action of the first clamping plate and the second clamping plate.

[0013] Preferably, a recycling groove is formed in the grinding device body and is rectangular, so as to conveniently recycle the machining waste under the action of the recycling groove.

[0014] Preferably, the grinding assembly comprises a third servo motor fixedly connected to the left side of the fixed block, a second threaded rod fixedly connected to the right side of the third servo motor, a rectangular column screwedly connected to the periphery of the second threaded rod, the rectangular column slidably connected to the top of the grinding device body, a second air cylinder fixedly connected to the rear side of the rectangular column, and a grinding disc fixedly connected to the front side of the second air cylinder.

[0015] Preferably, the right side of the second threaded rod is rotatably connected to the inner side of the fixed block, and the grinding disc is made of wear-resistant material, so as to conveniently drive the rectangular column to move under the action of the second threaded rod.

[0016] Preferably, the grinding device body top is provided with a sliding groove, and the rectangular column bottom is slidably connected in the sliding groove, so that the rectangular column moves more stably under the action of the sliding groove.

[0017] Preferably, the collecting mechanism comprises a supporting seat, the supporting seat is fixedly connected to the bottom of the grinding device body, a collecting box is slidably connected in the supporting seat, a filter plate is fixedly connected in the collecting box, and a drain pipe is fixedly connected to the bottom of the collecting box.

[0018] Preferably, the supporting seat is internally provided with a movable groove, and the collecting box is slidably connected in the movable groove, so that the stability of the collecting box is ensured under the action of the movable groove.

[0019] Compared with the prior art, the grinding device for crankshaft machining has the following beneficial effects:

[0020] 1. The grinding device for crankshaft machining is provided with a grinding mechanism, when the crankshaft needs to be ground, the crankshaft can be fixed according to the size of the crankshaft under the action of the first fixing frame, the second fixing frame, the first clamping plate and the second clamping plate, the distance between the second fixing frame and the first fixing frame can be adjusted under the action of the first threaded rod and the sliding rod, different lengths of crankshafts can be fixed, the adaptability is improved, the fixed crankshaft can be rotated under the action of the worm and the worm gear, the rotation of the crankshaft is not affected when the second clamping plate fixes the crankshaft, the efficiency and comprehensiveness of grinding the crankshaft journal are improved, the fixing is automatic operation, the fixing precision and efficiency are improved, the grinding efficiency is improved, and the left-right and front-back positions of the grinding disc can be adjusted according to the position of the crankshaft journal under the action of the second threaded rod and the second cylinder, and the grinding effect is improved.

[0021] 2. The grinding device for crankshaft machining is provided with a collecting mechanism, during the grinding of the crankshaft, the crankshaft and the grinding disc can be cooled by spraying cooling liquid by an external device, the waste chips and the cooling liquid generated during the machining of the crankshaft can be recycled under the action of the collecting box, and the cooling liquid and the waste chips can be separated under the action of the filter plate, so that the efficiency of the later treatment is improved, and the recycling of the cooling liquid is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor under the premise of not paying the creative labor:

[0023] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0024] Figure 2 It is a grinding mechanism structure schematic view;

[0025] Figure 3 It is a fixed assembly structure schematic view;

[0026] Figure 4 It is a rotating rod right side structure schematic view;

[0027] Figure 5 It is a bearing frame section structure schematic view;

[0028] Figure 6 It is a second fixed frame inside structure schematic view;

[0029] Figure 7 It is a grinding assembly structure schematic view;

[0030] Figure 8 It is a collection mechanism structure schematic view.

[0031] In the drawing: 1, grinding device body; 2, grinding mechanism; 3, collection mechanism; 4, support leg; 5, base; 6, fixed block; 21, fixed assembly; 22, grinding assembly; 211, bearing frame; 212, first servo motor; 213, worm; 214, rotating rod; 215, worm wheel; 216, first fixed frame; 217, second servo motor; 218, adjusting rod; 219, first clamping plate; 2191, first fixed rod; 2192, scale; 2193, first threaded rod; 2194, sliding rod; 2195, moving frame; 2196, second fixed frame; 2197, first air cylinder; 2198, second clamping plate; 2199, second fixed rod; 221, third servo motor; 222, second threaded rod; 223, rectangular column; 224, second air cylinder; 225, grinding disc; 31, support seat; 32, collection box; 33, filter plate; 34, drain pipe. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through the indirect connection of intermediate medium, can be the communication or mutual action of two elements inside of two elements. For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0034] The utility model provides the following technical scheme:

[0035] Embodiment one

[0036] Please refer to Figures 1-8 The utility model provides a technical scheme: a kind of grinding device for crankshaft processing, including grinding device body 1, grinding device body 1 top is provided with grinding mechanism 2, grinding device body 1 bottom is provided with collection mechanism 3, grinding device body 1 bottom is fixedly connected with support leg 4, grinding device body 1 top is fixedly connected with fixed block 6, grinding mechanism 2 left side is provided with base 5;

[0037] Grinding mechanism 2 includes fixed assembly 21 and grinding assembly 22, fixed assembly 21 is set to grinding device body 1 top, and grinding assembly 22 is set to grinding device body 1 top;

[0038] Fixed assembly 21 includes bearing frame 211, bearing frame 211 is fixedly connected to grinding device body 1 top, bearing frame 211 is rotatably connected with rotating rod 214 in the inside, rotating rod 214 is fixedly connected with worm wheel 215 on the periphery, worm wheel 215 bottom is engaged with worm 213, worm 213 front side is fixedly connected with first servo motor 212, rotating rod 214 right side is fixedly connected with first fixed frame 216, first fixed frame 216 is screw-connected with adjusting rod 218 in the inside, adjusting rod 218 bottom is rotatably connected with first clamping plate 219, first fixed frame 216 inboard is fixedly connected with first fixed rod 2191, bearing frame 211 inboard is fixedly connected with scale 2192, bearing frame 211 right side is fixedly connected with second servo motor 217, second servo motor 217 left side is fixedly connected with first threaded rod 2193, first threaded rod 2193 periphery is screw-connected with moving frame 2195, moving frame 2195 is slidably connected with sliding rod 2194 in the inside, moving frame 2195 left side is fixedly connected with second fixed frame 2196, second fixed frame 2196 top is fixedly connected with first air cylinder 2197, first air cylinder 2197 bottom is fixedly connected with second clamping plate 2198, second fixed frame 2196 inboard is fixedly connected with second fixed rod 2199.

[0039] The load-bearing frame 211 is fixedly connected to the right side of the base 5, the first servo motor 212 is fixedly connected to the top of the base 5, the first threaded rod 2193 is rotatably connected to the inner side of the load-bearing frame 211, the sliding rod 2194 is fixedly connected to the inner side of the load-bearing frame 211, the first clamping plate 219 and the second clamping plate 2198 are arc-shaped, rubber protective pads are arranged on the inner sides of the first clamping plate 219 and the second clamping plate 2198, the grinding device body 1 is internally provided with a recycling groove, and the recycling groove is rectangular, and the recycling groove is used for recycling the generated waste chips.

[0040] Please refer to Figures 1-8 The utility model provides a technical scheme: the grinding assembly 22 includes third servo motor 221, third servo motor 221 fixedly connected to the left side of fixed block 6, the second threaded rod 222 is fixedly connected with the right side of third servo motor 221, the second threaded rod 222 periphery is connected with rectangular column 223 with thread, rectangular column 223 bottom slidingly connected to the top of grinding device body 1, rectangular column 223 rear side fixedly connected with second air cylinder 224, second air cylinder 224 front side fixedly connected with grinding disc 225, the second threaded rod 222 is rotatably connected to the inner side of fixed block 6, grinding disc 225 is made of wear -resisting material, and rectangular column 223 is moved under the action of the second threaded rod 222, the top of grinding device body 1 is provided with a sliding slot, and the bottom of rectangular column 223 is slidingly connected in the sliding slot, so that rectangular column 223 moves more stably under the action of the sliding slot.

[0041] Example two

[0042] Please refer to Figures 1-8 And on the basis of example one, further get collection mechanism 3 including support seat 31, support seat 31 fixedly connected to the bottom of grinding device body 1, support seat 31 inside slidingly connected with collection box 32, collection box 32 inside fixedly connected with filter plate 33, collection box 32 bottom fixedly connected with drain pipe 34, support seat 31 inside is provided with movable slot, collection box 32 is slidingly connected in movable slot, and the stability of collection box 32 is ensured under the action of movable slot.

[0043] In actual operation, when the device is used, when the crankshaft needs to be ground, first, one end of the crankshaft is inside the first fixed frame 216 and is slidingly connected to the outside of the first fixed rod 2191. According to the length of the crankshaft, the moving frame 2195 and the second fixed frame 2196 connected by the second servo motor 217 are moved, and the moving frame 2195 is slidingly connected to the outside of the slide rod 2194. The distance between the first fixed frame 216 and the second fixed frame 2196 is adjusted, the second fixed rod 2199 is slidingly connected to the inside of the crankshaft, and the other end of the crankshaft is inside the second fixed frame 2196. At the same time, the adjusting rod 218 is rotated, the first clamping plate 219 is moved, and the distance moved by the first clamping plate 219 is observed according to the scale 2192 to ensure that the distance moved by the first clamping plate 219 is the same. The inside of the first clamping plate 219 and the outside of the crankshaft are in contact with each other, and the second clamping plate 2198 is moved by the first cylinder 2197 to make the inside of the second clamping plate 2198 and the outside of the crankshaft in contact with each other. When the second clamping plate 2198 contacts the crankshaft, it will not affect the rotation of the crankshaft.

[0044] When the crankshaft is in a stable state, the rectangular column 223 connected by the second threaded rod 222 is moved by the third servo motor 221, and the grinding disc 225 is moved forward and backward by the second cylinder 224. The left and right front and rear positions of the grinding disc 225 can be adjusted according to the position of the crankshaft journal, so that the grinding disc 225 and the journal are in contact with each other. When in contact, the worm wheel 215 on the top of the worm 213 is driven to rotate by the first servo motor 212, so that the worm wheel 215 drives the rotating rod 214 and the first fixed frame 216 to rotate, which can drive the fixed crankshaft to rotate, and the crankshaft journal can be ground under the action of the grinding disc 225.

[0045] During the grinding of the crankshaft, the crankshaft and the grinding disc 225 can be cooled by spraying cooling liquid through external equipment. The waste and cooling liquid generated during the processing of the crankshaft can be collected in the collection box 32, and the cooling liquid and waste can be separated by the filter plate 33. The recovered cooling liquid can be discharged through the drain pipe 34.

[0046] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are not intended to denote a physical order, quantity, or importance, but rather are used for the purpose of nomenclature.

Claims

1. A grinding device for machining a crankshaft, comprising a grinding device body (1), characterized in that: The grinding device body (1) top is provided with grinding mechanism (2), the grinding device body (1) bottom is provided with collection mechanism (3), the grinding device body (1) bottom fixedly connected with support leg (4), the grinding device body (1) top fixedly connected with fixed block (6), the grinding mechanism (2) left side is provided with base (5); The grinding mechanism (2) includes fixed assembly (21) and grinding assembly (22), the fixed assembly (21) is arranged on the top of the grinding device body (1), and the grinding assembly (22) is arranged on the top of the grinding device body (1). The fixed assembly (21) includes a bearing frame (211), which is fixedly connected to the top of the grinding device body (1), and a rotating rod (214) is rotatably connected inside the bearing frame (211), a worm gear (215) is fixedly connected to the outer periphery of the rotating rod (214), a worm (213) is engaged at the bottom of the worm gear (215), a first servo motor (212) is fixedly connected to the front side of the worm (213), a first fixed frame (216) is fixedly connected to the right side of the rotating rod (214), an adjusting rod (218) is threadedly connected inside the first fixed frame (216), a first clamping plate (219) is rotatably connected to the bottom of the adjusting rod (218), a first fixed rod (2191) is fixedly connected to the inner side of the first fixed frame (216), and a scale (2192) is fixedly connected to the inner side of the bearing frame (211). The bearing frame (211) is fixedly connected to the right side of the base (5), and the first servo motor (212) is fixedly connected to the top of the base (5).

2. The grinding device for machining a crankshaft according to claim 1, characterized in that: The first threaded rod (2193) is rotatably connected to the inner side of the bearing frame (211) on the left side, and the sliding rod (2194) is fixedly connected to the inner side of the bearing frame (211).

3. The grinding device for machining a crankshaft according to claim 1, characterized in that: The first clamping plate (219) and the second clamping plate (2198) are both arc-shaped, and rubber protective pads are arranged on the inner sides of the first clamping plate (219) and the second clamping plate (2198) respectively.

4. The grinding apparatus for machining a crankshaft according to claim 1, characterized by: The grinding device body (1) is internally provided with a recycling groove, which is rectangular in shape.

5. The grinding apparatus for machining a crankshaft according to claim 1, characterized by: ​ 6. The grinding apparatus for machining a crankshaft according to claim 1, characterized by: The grinding assembly (22) comprises a third servo motor (221), the third servo motor (221) is fixedly connected to the left side of the fixed block (6), a second threaded rod (222) is fixedly connected to the right side of the third servo motor (221), a rectangular column (223) is threadedly connected to the outer periphery of the second threaded rod (222), the bottom of the rectangular column (223) is slidingly connected to the top of the grinding device body (1), a second air cylinder (224) is fixedly connected to the rear side of the rectangular column (223), and a grinding disc (225) is fixedly connected to the front side of the second air cylinder (224).

7. The grinding device for machining a crankshaft according to claim 6, characterized in that: The second threaded rod (222) is rotatably connected to the inner side of the fixed block (6), and the grinding disc (225) is made of wear-resistant material.

8. The grinding apparatus for machining a crankshaft according to claim 6, characterized by: The top of the grinding device body (1) is provided with a sliding groove, and the bottom of the rectangular column (223) is slidingly connected in the sliding groove.

9. The grinding apparatus for machining a crankshaft according to claim 1, characterized by: The collecting mechanism (3) comprises a supporting seat (31), the supporting seat (31) is fixedly connected to the bottom of the grinding device body (1), a collecting box (32) is slidingly connected in the supporting seat (31), a filter plate (33) is fixedly connected in the collecting box (32), and a drain pipe (34) is fixedly connected to the bottom of the collecting box (32).

10. The grinding apparatus for machining a crankshaft according to claim 9, characterized by: The inside of the supporting seat (31) is provided with a movable groove, and the collecting box (32) is slidingly connected in the movable groove.

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