Crankshaft grinding machine with chip blocking design

By setting baffles and extension plates on the workbench of the crankshaft grinder, and using the adjustment mechanism of the screw and moving sleeve, the problem of debris flying during the grinding process is solved, and a safer and more convenient working environment is achieved.

CN222386543UActive Publication Date: 2025-01-24SUNHO ELECTROMECHANICAL CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420348089.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-26
Publication Date
2025-01-24
Estimated Expiration
2034-02-26

AI Technical Summary

Technical Problem

The debris produced by the existing crankshaft grinding device during the grinding process are prone to splash, injuring the staff, and the falling debris causes inconvenience during the cleaning process.

Method used

The crankshaft grinding machine with a dandruff is designed. By setting up a blocking mechanism and a regulatory mechanism at the top of the workbench, using the baffle and an extension plate to protect on both sides of the workbench, and the cooperation of the screw and mobile cover can be used The fixed effect is to adapt to a crankshaft of different lengths.

Benefits of technology

It effectively reduces the risk of workers being injured by flying debris, keeps the working environment clean, and through the adjustable length of the extension plate, it adapts to the grinding needs of different crankshaft lengths, improving safety and convenience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222386543U_ABST
    Figure CN222386543U_ABST
Patent Text Reader

Abstract

The crankshaft grinding machine with the scrap blocking design comprises a working table, a first supporting plate and a second supporting plate are arranged at the top end of the working table, blocking mechanisms are symmetrically arranged at the top end of the working table, and an adjusting mechanism is arranged in the top end of the working table; wherein the blocking mechanism comprises baffles symmetrically mounted at the top end of the workbench, extension plates are slidably connected into one ends of the baffles, insertion grooves are formed in the top ends of the extension plates, mounting frames are fixedly connected into one sides of the top ends of the baffles, and extrusion rods are slidably connected into the mounting frames; and the bottom end of the extrusion rod is fixedly connected with a toothed plate, and the bottom end of the toothed plate is fixedly connected with the insertion groove in a clamped mode, so that the phenomenon that workers are injured by splashing chippings is greatly reduced, the working environment is kept clean and tidy, the length of the extension plate is adjustable, and adjustment protection can be conducted according to the length of the crankshaft.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft processing, in particular to a crankshaft grinding machine with a chip retaining design. Background Art

[0002] The crankshaft is the most important component in the engine. It bears the force transmitted from the connecting rod and converts it into torque, which is output through the crankshaft and drives other accessories on the engine. The crankshaft generally needs to be polished after machining to remove burrs and cloaks left on the crankshaft surface by machining.

[0003] Publication No. CN218613182U discloses a crankshaft surface grinding device, which is provided with a workbench, an open slot, a transverse moving member, a hydraulic device, a grinding mechanism, a debris collection mechanism, a side plate, a contact shaft, a rotating disk, an arc plate, a locking bolt and a motor B. The utility model realizes the action of collecting and uniformly treating the debris generated during the crankshaft grinding process, and improves the cleanliness of the workbench. However, the patent still has the following problems in actual use:

[0004] The device uses an exhaust assembly to draw out the debris mixed in the air, and the debris is filtered through a filter and then falls into a collection box. Finally, the rotating door can be opened to uniformly process the collected debris. During the grinding process of the crankshaft surface, the friction between the grinding device and the crankshaft surface generates heat, which makes the metal chips or oxides on the surface become soft, and then break and splash under the action of friction, so that the splashing debris can easily injure the staff accidentally, and the debris falling on the ground brings inconvenience to the staff during the cleaning process.

[0005] A crankshaft grinding machine with a chip guard design is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a crankshaft grinder with a chip guard design to solve the problem proposed in the above-mentioned background technology that the debris mixed in the air is currently drawn out by the exhaust component, and the debris is filtered through the filter and then falls into the collection box. Finally, the rotating door can be opened to uniformly process the collected debris. During the crankshaft surface grinding process, the grinding device and the crankshaft surface generate heat due to friction, which makes the surface metal chips or oxides become soft, and then break and splash under the action of friction, so that the splashing debris can easily injure the staff accidentally, and the debris falling on the ground brings inconvenience to the staff during the cleaning process.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crankshaft grinder with a chip blocking design, comprising a workbench, the top of the workbench is provided with a first support plate and a second support plate, and the first support plate and the second support plate are provided with a fixing assembly on one side corresponding to the other, and the bottom end of the first support plate is fixedly connected to the workbench, the top of the workbench is symmetrically provided with a blocking mechanism, and the top of the workbench is provided with an adjusting mechanism inside;

[0008] Among them, the blocking mechanism includes a baffle plate symmetrically installed on the top of the workbench, and an extension plate is slidably connected inside one end of the baffle plate, and a slot is opened at the top of the extension plate, and a mounting frame is fixedly connected inside one side of the top of the baffle plate, and an extrusion rod is slidably connected inside the mounting frame, and the bottom end of the extrusion rod is fixedly connected to a tooth plate, and the bottom end of the tooth plate is fixedly connected to the slot, and the extrusion rod is located on the outer side wall inside the mounting frame and is sleeved with a first telescopic spring, and a rotating rod is rotatably connected to one side of the top of the mounting frame, and an extrusion block is fixedly connected to one side of the rotating rod.

[0009] Preferably, the adjustment mechanism includes a collecting trough opened inside the top end of the workbench, and a screw is rotatably connected to one side of the interior of the collecting trough, and an end of the interior of the collecting trough away from the screw is fixedly connected to a guide rod, and movable sleeves are symmetrically fixedly connected to both ends of the second support plate, and one end of the movable sleeve is sleeved on the outer wall of the screw for threaded connection, and an end of the movable sleeve away from the screw is sleeved on the outer wall of the guide rod for sliding connection, and rollers are symmetrically fixedly connected to the bottom end of the second support plate, and the bottom end of the roller is rollingly connected to the bottom side of the collecting trough.

[0010] Preferably, an installation box is fixedly connected to the inside of one side of the installation frame, and a pulling frame is slidably connected to the inside of one end of the installation box, and a second telescopic spring is fixedly connected between the inner side of the pulling frame and the inside of the installation box, and an insertion rod is symmetrically fixedly connected to one end of the pulling frame, and the insertion rod is fixedly connected to the extrusion rod by snap-fitting.

[0011] Preferably, a slide groove is provided on one side of the top of the workbench, and a grinding assembly is slidably connected inside the slide groove, and an electric telescopic rod is fixedly connected to the top of the workbench, and the output end of the electric telescopic rod is fixedly connected to the grinding assembly, and a handle is fixedly connected to one end of the screw.

[0012] Preferably, the bottom ends of the baffles are fixedly connected with rotating blocks, and the rotating blocks are rotatably connected inside the top of the workbench, and the top of the workbench is symmetrically fixedly connected with a shaft rod, and the rotating blocks are sleeved on the outer wall of the shaft rod and fixedly connected.

[0013] Preferably, a retractable rod is symmetrically fixedly connected between one end of the extension plate and the inside of the baffle, and a third telescopic spring is sleeved on the outer side wall of the retractable rod.

[0014] Preferably, a limit knob is fixedly connected between the mounting frame and the rotating rod.

[0015] Compared with the prior art, the beneficial effects of the utility model are: this crankshaft grinder with a chip guard design, its specific contents are as follows: the extrusion rod is squeezed by the extrusion block, so that the tooth plate and the slot are engaged and fixed, thereby achieving the effect of quickly adjusting the fixed extension plate, so that the baffle plate and the extension plate are used to protect both sides of the workbench, thereby greatly reducing the phenomenon of workers being injured by flying debris, keeping the working environment clean, and the extension plate length is adjustable, so that the protection can be adjusted according to the length of the crankshaft, and the movement of the movable sleeve is driven by the rotation of the screw, and then the second support plate can be driven to move toward the direction of the first support plate, thereby achieving the effect of quickly adjusting and fixing, and can be adjusted according to the length of the crankshaft.

[0016] 1. By pressing the rotating rod to drive the movement of the extrusion block, the extrusion block squeezes the extrusion rod. At this time, the upper push block of the extrusion rod squeezes the first telescopic spring, so that the tooth plate and the slot are engaged and fixed, thereby achieving the effect of quickly adjusting the fixed extension plate, so that the two sides of the workbench are protected by the baffle and the extension plate, thereby greatly reducing the phenomenon of workers being injured by splashing debris, keeping the working environment clean and tidy, and the effect of the adjustable length of the extension plate, so that the protection can be adjusted according to the length of the crankshaft, increasing the anti-splash range, and improving safety. The second telescopic spring is retracted and reset, so that the insertion rod and the extrusion rod are engaged and fixed, thereby further improving the fixing stability of the tooth plate, bringing convenience to the workers when using it, and the shaft rod is driven to rotate inside the workbench by the rotating block, so as to achieve the effect of quickly adjusting the baffle angle. The adjustment of the baffle angle can better control the flow direction of debris and dust generated during the grinding process, reduce the splash range, and by adjusting the baffle angle, the splashed debris and dust can be discharged along the preset direction to avoid affecting the operator and equipment;

[0017] 2. The movement of the movable sleeve is driven by the rotation of the screw, and the movable sleeve at the other end slides on the outer wall of the guide rod, thereby driving the second support plate to move toward the first support plate, thereby achieving the effect of rapid adjustment and fixation, and can be adjusted according to the length of the crankshaft, which brings convenience to the staff when in use. The movement of the second support plate drives the roller to roll inside the collecting trough, thereby further improving the movement stability of the second support plate, and the grinding assembly is driven to slide inside the slide groove by starting the electric telescopic rod, thereby achieving the effect of rapid adjustment of the position of the grinding assembly, meeting the grinding of crankshafts of different lengths, and bringing convenience to the staff when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall top view structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the overall structure of the blocking mechanism in the utility model;

[0021] Figure 4 It is a partial enlarged structural diagram of the blocking mechanism in the utility model;

[0022] Figure 5 It is a schematic diagram of the enlarged structure of the partial operation of the blocking mechanism in the utility model;

[0023] Figure 6 It is a partial side structural sectional view of the workbench in the utility model;

[0024] Figure 7 It is a schematic diagram of the enlarged structure of part A in the utility model.

[0025] In the figure: 1. workbench; 101. first support plate; 102. second support plate; 103. fixing assembly; 104. grinding assembly; 2. blocking mechanism; 201. baffle; 202. extension plate; 203. slot; 204. mounting frame; 205. extrusion rod; 2051. tooth plate; 206. first telescopic spring; 207. rotating rod; 208. extrusion block; 209. mounting box; 210. pulling frame; 211. second telescopic spring; 212. insertion rod; 213. limit knob; 214. retracting rod; 215. third telescopic spring; 216. rotating block; 217. shaft rod; 3. adjusting mechanism; 301. collecting trough; 302. screw; 303. guide rod; 304. movable sleeve; 305. roller; 306. slide groove; 307. electric telescopic rod; 308. handle. DETAILED DESCRIPTION

[0026] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0027] See also Figure 1-7The utility model provides a technical solution: a crankshaft grinder with a chip blocking design, comprising a workbench 1, a first support plate 101 and a second support plate 102 are arranged at the top of the workbench 1, and a fixing assembly 103 is arranged on the corresponding side of the first support plate 101 and the second support plate 102, and the bottom end of the first support plate 101 is fixedly connected to the workbench 1, a blocking mechanism 2 is symmetrically arranged at the top of the workbench 1, and an adjusting mechanism 3 is arranged inside the top of the workbench 1;

[0028] The blocking mechanism 2 includes a baffle 201 symmetrically mounted on the top of the workbench 1, and an extension plate 202 is slidably connected to one end of the baffle 201, and a slot 203 is provided at the top of the extension plate 202, and a mounting frame 204 is fixedly connected to the top side of the baffle 201, and an extrusion rod 205 is slidably connected to the inside of the mounting frame 204, and a tooth plate 2051 is fixedly connected to the bottom end of the extrusion rod 205, and the bottom end of the tooth plate 2051 is fixedly connected to the slot 203 by snapping and fixing, and the extrusion rod 205 is located on the inner outer side wall of the mounting frame 204 and is sleeved with a first telescopic spring 206, and a rotating rod 207 is rotatably connected to one side of the top of the mounting frame 204, and an extrusion block 208 is fixedly connected to one side of the rotating rod 207, thereby achieving the effect of quickly adjusting the fixed extension plate 202, so that the baffle 201 and the extension plate 202 can be used to adjust the workbench 1 The two sides of the platform 1 are protected, thereby greatly reducing the phenomenon of workers being injured by splashing debris, keeping the working environment clean, and the extension plate 202 has an adjustable length, so that the protection can be adjusted according to the length of the crankshaft, increasing the splash-proof range and improving safety. A mounting box 209 is fixedly connected to one side of the mounting frame 204, and a pulling frame 210 is slidably connected to one end of the mounting box 209, and a second telescopic spring 211 is fixedly connected between the inner side of the pulling frame 210 and the inside of the mounting box 209, and an insertion rod 212 is symmetrically fixedly connected to one end of the pulling frame 210, and the insertion rod 212 is fixedly connected to the extrusion rod 205 by clamping, and the second telescopic spring 211 is retracted and reset, so that the insertion rod 212 is clamped and fixed to the extrusion rod 205, thereby further improving the fixing stability of the tooth plate 2051, which brings convenience to the workers when using it;

[0029] A retracting rod 214 is symmetrically fixedly connected between one end of the extension plate 202 and the inside of the baffle 201, and a third telescopic spring 215 is sleeved on the outer wall of the retracting rod 214. The extension plate 202 moves inside the baffle 201. At this time, the retracting rod 214 and the third telescopic spring 215 are extended. When the tooth plate 2051 contacts the restriction of the slot 203, the third telescopic spring 215 and the retracting rod 214 are retracted and reset, so that the extension plate 202 is retracted into the baffle 201, which brings convenience to the staff when using it. The bottom end of the baffle 201 is fixedly connected with a rotating block 216, and the rotating block 216 is located at the top of the workbench 1 and is rotatably connected. In addition, the top of the workbench 1 is symmetrically fixedly connected with an axle rod 217, and the rotating block 216 is sleeved on the axle rod The rod 217 is fixedly connected to the outer wall of the rod 217, and the baffle 201 is rotated, and then the shaft rod 217 is driven to rotate inside the workbench 1 through the rotating block 216. When the angle adjustment of the baffle 201 is completed, the fixing knob is tightened to fix the angle of the baffle 201, thereby achieving the effect of quickly adjusting the angle of the baffle 201. The adjustment of the angle of the baffle 201 can better control the flow direction of debris and dust generated during the grinding process and reduce the splashing range. By adjusting the angle of the baffle 201, the splashed debris and dust can be discharged along the preset direction to avoid affecting the operator and equipment. A limit knob 213 is fixedly connected between the mounting frame 204 and the rotating rod 207. Through the design of the limit knob 213, the angle of the rotating rod 207 can be fixed.

[0030] The adjusting mechanism 3 includes a collecting tank 301 opened inside the top of the workbench 1, and a screw 302 is rotatably connected to one side of the inside of the collecting tank 301, and a guide rod 303 is fixedly connected to the end of the collecting tank 301 away from the screw 302, and a movable sleeve 304 is symmetrically fixedly connected to both ends of the second support plate 102, and one end of the movable sleeve 304 is sleeved on the outer wall of the screw 302 for threaded connection, and the end of the movable sleeve 304 away from the screw 302 is sleeved on the outer wall of the guide rod 303 for sliding connection, and a roller 305 is symmetrically fixedly connected to the bottom end of the second support plate 102, and the bottom end of the roller 305 is rollingly connected to the bottom side of the collecting tank 301, thereby achieving a quick adjustment and fixing effect, and can be adjusted according to the crankshaft length, providing the staff with a convenient operation. It brings convenience during use. The movement of the second support plate 102 drives the roller 305 to roll inside the collecting tank 301, thereby further improving the movement stability of the second support plate 102. A slide groove 306 is provided on one side of the top of the workbench 1, and the inside of the slide groove 306 is slidably connected with the grinding assembly 104, and the top of the workbench 1 is fixedly connected with an electric telescopic rod 307, and the output end of the electric telescopic rod 307 is fixedly connected to the grinding assembly 104, and one end of the screw 302 is fixedly connected with a handle 308. By starting the electric telescopic rod 307, the grinding assembly 104 is driven to slide inside the slide groove 306, thereby achieving the effect of quickly adjusting the position of the grinding assembly 104 to meet the grinding of crankshafts of different lengths, which brings convenience to the staff during use.

[0031] Working principle: Before using this crankshaft grinder with chip guard design, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 7As shown, the staff moves the extension plate 202 according to the length of the crankshaft, and then drives the extrusion block 208 to move by pressing the rotating rod 207, and the extrusion block 208 squeezes the extrusion rod 205. At this time, the upper push block of the extrusion rod 205 squeezes the first telescopic spring 206, so that the tooth plate 2051 is engaged and fixed with the slot 203, thereby achieving the effect of quickly adjusting and fixing the extension plate 202, so that the baffle plate 201 and the extension plate 202 protect both sides of the workbench 1, thereby greatly reducing the phenomenon that the staff are injured by splashing debris, keeping the working environment clean and tidy, and the extension plate 202 has an adjustable length, so that the protection can be adjusted according to the length of the crankshaft, increasing the anti-splash range and improving safety, and the second telescopic spring 211 is squeezed by moving the pulling frame 210. At this time, the second telescopic spring 211 contracts, and by loosening the pulling frame 210, the second telescopic spring 211 contracts and resets, so that the insertion rod 212 is engaged and fixed with the extrusion rod 205, thereby further improving the fixation of the tooth plate 2051 The invention provides a stable and stable working environment, which brings convenience to the staff when using the tool. The design of the limit knob 213 can fix the angle of the rotating rod 207, and the extension plate 202 is moved inside the baffle 201. At this time, the retracting rod 214 and the third telescopic spring 215 are extended. When the tooth plate 2051 contacts the restriction of the slot 203, the third telescopic spring 215 and the retracting rod 214 are retracted and reset, so that the extension plate 202 is retracted into the baffle 201, which brings convenience to the staff when using the tool. By rotating the baffle 201, the shaft 217 is driven to rotate inside the workbench 1 through the rotating block 216. When the angle adjustment of the baffle 201 is completed, the fixing knob is tightened to fix the angle of the baffle 201, thereby realizing the effect of quickly adjusting the angle of the baffle 201. The adjustment of the angle of the baffle 201 can better control the flow direction of the debris and dust generated during the grinding process, reduce the splashing range, and by adjusting the angle of the baffle 201, the splashed debris and dust can be discharged along the preset direction to avoid affecting the operator and the equipment.

[0032] The screw rod 302 is driven to rotate by turning the handle 308, and the rotation of the screw rod 302 drives the movement of the movable sleeve 304. At this time, the movable sleeve 304 at the other end slides on the outer wall of the guide rod 303, thereby driving the second support plate 102 to move in the direction of the first support plate 101, and then the crankshaft is fixed by operating the fixing assembly 103, thereby achieving the effect of rapid adjustment and fixing, which can be adjusted according to the length of the crankshaft, bringing convenience to the staff during use, and the movement of the second support plate 102 drives the roller 305 to roll inside the collecting tank 301, thereby further improving the movement stability of the second support plate 102, and the grinding assembly 104 is driven to slide inside the slide groove 306 by starting the electric telescopic rod 307, thereby achieving the effect of rapid adjustment of the position of the grinding assembly 104, meeting the grinding of crankshafts of different lengths, and bringing convenience to the staff during use.

[0033] The fixing assembly 103 and the grinding assembly 104 are in the prior art. Publication No. CN218613182U discloses a crankshaft surface grinding device, and the devices used therein are not described in detail here.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A crankshaft grinder with a chip guard design, comprising a workbench (1), wherein the top of the workbench (1) is provided with a first support plate (101) and a second support plate (102), and a fixing assembly (103) is provided on the corresponding side of the first support plate (101) and the second support plate (102), and the bottom end of the first support plate (101) is fixedly connected to the workbench (1); It is characterized in that Also includes: The top of the workbench (1) is symmetrically provided with a blocking mechanism (2), and the top of the workbench (1) is internally provided with an adjusting mechanism (3); The blocking mechanism (2) comprises a baffle (201) symmetrically mounted on the top of the workbench (1), and an extension plate (202) is slidably connected to one end of the baffle (201), and a slot (203) is provided at the top of the extension plate (202), and a mounting frame (204) is fixedly connected to the top of the baffle (201), and an extrusion rod (205) is slidably connected to the inside of the mounting frame (204), and a tooth plate (2051) is fixedly connected to the bottom end of the extrusion rod (205), and the bottom end of the tooth plate (2051) is fixedly connected to the slot (203), and the extrusion rod (205) is located on the inner outer wall of the mounting frame (204) and is sleeved with a first telescopic spring (206), and a rotating rod (207) is rotatably connected to the top side of the mounting frame (204), and an extrusion block (208) is fixedly connected to one side of the rotating rod (207).

2. A crankshaft grinding machine with a chip guard design according to claim 1, characterized in that: The adjustment mechanism (3) comprises a collecting trough (301) disposed inside the top end of the workbench (1), and a screw rod (302) is rotatably connected to one side of the collecting trough (301), and a guide rod (303) is fixedly connected to one end of the collecting trough (301) away from the screw rod (302), and a movable sleeve (304) is symmetrically fixedly connected to both ends of the second support plate (102), and one end of the movable sleeve (304) is sleeved on the outer wall of the screw rod (302) for threaded connection, and one end of the movable sleeve (304) away from the screw rod (302) is sleeved on the outer wall of the guide rod (303) for sliding connection, and a roller (305) is symmetrically fixedly connected to the bottom end of the second support plate (102), and the bottom end of the roller (305) is rollingly connected to the bottom side of the collecting trough (301).

3. The crankshaft grinding machine with chip guard design according to claim 1, characterized in that: A mounting box (209) is fixedly connected inside one side of the mounting frame (204), and a pulling frame (210) is slidably connected inside one end of the mounting box (209), and a second telescopic spring (211) is fixedly connected between the inner side of the pulling frame (210) and the inside of the mounting box (209), and an insertion rod (212) is symmetrically fixedly connected to one end of the pulling frame (210), and the insertion rod (212) is fixedly connected to the extrusion rod (205) by snapping.

4. A crankshaft grinding machine with a chip guard design according to claim 3, characterized in that: A slide groove (306) is provided on one side of the top of the workbench (1), and a grinding assembly (104) is slidably connected inside the slide groove (306), and an electric telescopic rod (307) is fixedly connected to the top of the workbench (1), and the output end of the electric telescopic rod (307) is fixedly connected to the grinding assembly (104), and one end of the screw rod (302) is fixedly connected to a handle (308).

5. The crankshaft grinding machine with chip guard design according to claim 1, characterized in that: The bottom ends of the baffles (201) are fixedly connected with a rotating block (216), and the rotating block (216) is located inside the top of the workbench (1) and is rotatably connected, and the top of the workbench (1) is symmetrically fixedly connected with a shaft rod (217), and the rotating block (216) is sleeved on the outer wall of the shaft rod (217) and is fixedly connected.

6. The crankshaft grinding machine with chip guard design according to claim 1, characterized in that: A retractable rod (214) is symmetrically fixedly connected between one end of the extension plate (202) and the inside of the baffle (201), and a third telescopic spring (215) is sleeved on the outer side wall of the retractable rod (214).

7. The crankshaft grinding machine with chip guard design according to claim 1, characterized in that: A limit knob (213) is fixedly connected between the installation frame (204) and the rotating rod (207).

Citation Information

Patent Citations

  • Crankshaft surface polishing device

    CN218613182U