Clamping type adjustable drilling device for crankshaft machining
By designing the clamping assembly of the limit cylinder and the triangular plate and the moving assembly of the first screw and the slider, the problem of needing to adjust the positions of multiple bolts one by one in the existing technology is solved, and the crankshaft can be quickly and accurately positioned and the drilling position can be conveniently adjusted, thereby improving work efficiency.
Patent Information
- Application Number
- CN202422681788.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-11-05
AI Technical Summary
When dealing with crankshafts of different diameters, the existing clamping adjustment drilling device for crankshaft processing needs to adjust the positions of multiple bolts one by one to ensure that the crankshaft is accurately located at the center axis of the concave column, which increases the difficulty of operation and reduces work efficiency.
A clamping assembly consisting of a limiting cylinder and a set plate was designed. By rotating the limiting cylinder to move it leftward and squeeze the set plate, the set plate, through a notch, drives the clamping plate toward the crankshaft to clamp it, simplifying the positioning process. Furthermore, the movable assembly of the first screw and slider facilitates adjustment of the drilling position.
The invention realizes fast and accurate positioning of the crankshaft, simplifies the operation process, improves work efficiency, and can adapt to crankshafts of different lengths, with good practicality.
Smart Images

Figure CN223313530U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crankshaft processing, in particular to a clamping type adjusting drilling device for crankshaft processing. Background Art
[0002] The crankshaft is the main rotating component of the engine, and crankshaft drilling is an important process in crankshaft processing. As a key component in the engine, the machining accuracy and quality of the crankshaft directly affect the performance and life of the engine. The drilling process plays a vital role in crankshaft processing.
[0003] Reference is made to a patent application with publication number CN221110002U, which discloses a clamping-type adjustment drilling device for crankshaft processing. The operator manually inserts one end of the crankshaft into the concave column and fixes it with a fixing bolt, so that the other end of the crankshaft is in force contact with the top cone. At this time, the operator controls the electric cylinder to work. During the operation of the electric cylinder, the push block and the bearing plate are driven to move synchronously under force into the collection frame to facilitate the drilling motor to drill the crankshaft. The clamping-type adjustment drilling device for crankshaft processing facilitates liquid discharge through the provided valve pipe.
[0004] However, the above-mentioned device fixes the inside of the concave column at one end of the crankshaft by a fixing bolt, and the method of fixing the crankshaft by multiple bolts is relatively cumbersome. Moreover, when facing crankshafts of different diameters, it is necessary to adjust the positions of multiple bolts one by one to ensure that the crankshaft can be accurately located at the center axis of the concave column. This adjustment process not only increases the difficulty of operation, but also reduces work efficiency, and its practicality is general. Utility Model Content
[0005] In response to the shortcomings of the existing technology, the utility model provides a clamping type adjustment drilling device for crankshaft processing, which solves the problem that the existing clamping type adjustment drilling device for crankshaft processing needs to adjust the positions of multiple bolts one by one when facing crankshafts of different diameters to ensure that the crankshaft can be accurately located at the center axis of the concave column. This adjustment process not only increases the difficulty of operation, but also reduces work efficiency and has general practicality.
[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A clamping and adjusting drilling device for crankshaft processing, comprising a workbench, the workbench including a control console fixedly mounted on the left side of the top surface of the workbench, the top surface of the workbench being provided with a processing mechanism for clamping and fixing the crankshaft for processing and drilling, the processing mechanism comprising:
[0007] A punching assembly, arranged on the top surface of the workbench and used for drilling holes in the crankshaft;
[0008] A clamping assembly is provided on the top surface of the workbench for fixing the crankshaft, the clamping assembly comprising a collection box fixedly mounted on the top surface of the workbench, a sliding frame movably mounted on the top surface of the collection box, a fixed plate fixedly mounted on the top surface of the sliding frame, a fixed cylinder fixedly mounted on the right side of the fixed plate, four notches are provided on the outer side of the fixed cylinder, a triangular plate is movably hinged on the right side of each of the four notches, a tension spring is fixedly mounted on the left side of the triangular plate, a clamping plate is movably hinged on the opposite side of the triangular plate, and a limiting cylinder is threadedly mounted on the right end of the outer side of the fixed cylinder;
[0009] A movable assembly is provided on the top surface of the workbench to accommodate crankshafts of different lengths.
[0010] Preferably, the clamping assembly also includes a side plate fixedly mounted on the left side of the top surface of the collection box, a top cone is fixedly mounted on the right side of the side plate, the opposite sides of the triangular plate are movable through the inside of the four slots and movably hinged to one side of the clamping plate, the left end of the fixed cylinder passes through the right side of the fixed plate and extends to the left side of the fixed plate, one end of the tension spring is fixedly mounted on the right side of the fixed plate, and the outer side of the triangular plate is tightly attached to the inner side of the limiting cylinder.
[0011] Preferably, the movable component includes a movable groove opened on the front and rear sides of the collection box, a second screw is movably installed inside the movable groove, movable blocks are fixedly installed on the front and rear ends of the inner side of the sliding frame, and a DC motor is fixedly installed on the front and rear sides of the right end of the collection box.
[0012] Preferably, the opposite sides of the collection box are slidably mounted inside the movable groove, the left end thread of the second screw rod passes through the right side of the movable block and is movably mounted on the inner side of the movable groove, and the right end of the second screw rod movably passes through the interior of the movable groove and is fixedly mounted on the output end of the DC motor.
[0013] Preferably, the punching assembly includes a slide groove opened on the rear side of the top surface of the workbench, a driving motor is fixedly installed on the left side of the workbench, a first screw is movably installed inside the slide groove, a slider is slidably installed inside the slide groove, and a drilling motor is fixedly installed on the top surface of the slider.
[0014] Preferably, the left end of the first screw rod movably passes through the interior of the slide groove and is fixedly installed on the output end of the driving motor, and the right end of the first screw rod threadably passes through the left side of the slider and is movably installed on the right side of the slide groove.
[0015] The utility model provides a clamping-type adjustable drilling device for crankshaft machining. Compared with the prior art, it has the following beneficial effects:
[0016] (1) The clamping type adjustment drilling device for crankshaft processing is convenient for positioning the crankshaft by means of the provided limiting cylinder and triangular plate. When in use, one end of the crankshaft is inserted into the interior of the fixed cylinder, and then the limiting cylinder is rotated to move it to the left to squeeze the triangular plate. Then the triangular plate will drive the clamping plate toward the crankshaft through the notch toward the fixed cylinder to clamp the crankshaft. Then, the limiting cylinder can be released to fix the position of the clamping plate. This is convenient and quick, and can accurately position the crankshaft, thereby improving work efficiency.
[0017] (2) The clamping type adjustment drilling device for crankshaft processing can conveniently adjust the drilling position by means of the first screw and the slider. When in use, the driving motor is started to drive the first screw to rotate, and then the first screw will adjust the position of the drilling motor through the slider. When the position is adjusted to the appropriate position, the driving motor can be turned off to fix the position of the drilling motor. It is convenient, fast and practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the three-dimensional appearance of the utility model;
[0019] Figure 2 This is a schematic diagram of the three-dimensional appearance of the drilling assembly of the present utility model;
[0020] Figure 3 This is a schematic diagram of the three-dimensional appearance of the clamping assembly of the present invention;
[0021] Figure 4 For the utility model Figure 3 A in the middle is an enlarged schematic diagram of the appearance;
[0022] Figure 5 This is a schematic diagram of the cross-sectional three-dimensional appearance of the clamping assembly of the present invention.
[0023] In the figure: 1-workbench, 2-processing mechanism, 21-punching assembly, 211-drive motor, 212-chute, 213-first screw, 214-slider, 215-drilling motor, 22-clamping assembly, 221-side plate, 222-top cone, 223-collection box, 224-fixed plate, 225-sliding frame, 226-limiting cylinder, 227-fixed cylinder, 228-triangular plate, 229-tension spring, 2210-notch, 2211-clamping plate, 23-moving assembly, 231-second screw, 232-movable slot, 233-movable block, 234-DC motor, 3-control console. DETAILED DESCRIPTION
[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] See Figure 1-Figure 5 , this utility model provides two technical solutions:
[0026] First embodiment: A clamping and adjusting drilling device for crankshaft processing, comprising a workbench 1, the workbench 1 including a control console 3 fixedly mounted on the left side of the top surface of the workbench 1, and the operation of the device can be controlled by the control console 3, the top surface of the workbench 1 is provided with a processing mechanism 2 for clamping and fixing the crankshaft for processing and drilling, the processing mechanism 2 includes:
[0027] A drilling assembly 21 is provided on the top surface of the workbench 1 and is used for drilling holes in the crankshaft;
[0028] The clamping assembly 22 is set on the top surface of the workbench 1 for fixing the crankshaft. The clamping assembly 22 includes a collection box 223 fixedly mounted on the top surface of the workbench 1. A sliding frame 225 is movably mounted on the top surface of the collection box 223. A fixing plate 224 is fixedly mounted on the top surface of the sliding frame 225. A fixing cylinder 227 is fixedly mounted on the right side of the fixing plate 224. A threaded line is opened on the outside of the fixing cylinder 227. Four notches 2210 are opened on the outside of the fixing cylinder 227. Four notches 2210 are evenly distributed around the outside of the fixed cylinder 227. A triangular plate 228 is movably hinged to the right side of each of the four notches 2210. A tension spring 229 is fixedly installed on the left side of the triangular plate 228, and the tension spring 229 is installed at an angle. A clamping plate 2211 is movably hinged to the opposite side of the triangular plate 228, and the clamping plate 2211 is arc-shaped. The inner side of the clamping plate 2211 has a plurality of anti-slip grooves. A limit cylinder 226 is threadedly installed on the right end of the outer side of the fixed cylinder 227.
[0029] The movable assembly 23 is arranged on the top surface of the workbench 1 to accommodate crankshafts of different lengths. The clamping assembly 22 also includes a side plate 221 fixedly mounted on the left side of the top surface of the collection box 223. A top cone 222 is fixedly mounted on the right side of the side plate 221. The opposite sides of the triangular plate 228 are movable through the interior of the four notches 2210 and are movable hinged to one side of the clamping plate 2211. The left end of the fixed cylinder 227 passes through the right side of the fixed plate 224 and extends to the left side of the fixed plate 224. One end of the tension spring 229 is fixedly installed on the right side of the fixed plate 224, and the tension of the tension spring 229 can drive the triangular plate 228 to make the splint 2211 close to the inner side of the fixed cylinder 227, and the outer side of the triangular plate 228 is close to the inner side of the limiting cylinder 226, and the limiting cylinder 226 is rotated to move to the left to squeeze the triangular plate 228 toward the inside of the fixed cylinder 227, and then the triangular plate 228 will clamp one end of the crankshaft through the splint 2211 for fixation, which is convenient and quick.
[0030] The limiting cylinder 226 and the triangular plate 228 are provided to facilitate positioning of the crankshaft. When in use, one end of the crankshaft is inserted into the interior of the fixed cylinder 227, and then the limiting cylinder 226 is rotated to move it to the left to squeeze the triangular plate 228. Then the triangular plate 228 will drive the clamping plate 2211 toward the crankshaft through the slot 2210 toward the fixed cylinder 227 to clamp the crankshaft. Then, the limiting cylinder 226 is released to fix the position of the clamping plate 2211. It is convenient and quick, can accurately position the crankshaft, and improves work efficiency.
[0031] The second embodiment is mainly different from the first embodiment in that: the moving component 23 includes a movable groove 232 opened on the front and rear sides of the collection box 223, and a second screw 231 is movably installed inside the movable groove 232. The front and rear ends of the inner side of the sliding frame 225 are fixedly installed with movable blocks 233. The front and rear sides of the right end of the collection box 223 are fixedly installed with a DC motor 234. The opposite sides of the collection box 223 are slidably installed inside the movable groove 232. The left end of the second screw 231 is threaded through the right side of the movable block 233 and is movably installed on the inner side of the movable groove 232. The right end of the second screw 231 movably passes through the interior of the movable groove 232 and is fixedly installed on the output end of the DC motor 234. Starting the DC motor 234 to drive the second screw 231 to rotate through the movable block 233 can drive the sliding frame 225 to move horizontally. To adapt to crankshafts of different lengths, the punching assembly 21 includes a slide 212 opened on the rear side of the top surface of the workbench 1, a driving motor 211 is fixedly installed on the left side of the workbench 1, a first screw 213 is movably installed inside the slide 212, a slider 214 is slidably installed inside the slide 212, a drilling motor 215 is fixedly installed on the top surface of the slider 214, and the drilling motor 215 is an existing mechanism with the same function as the drilling equipment in the comparative document. The left end of the first screw 213 movably passes through the interior of the slide 212 and is fixedly installed on the output end of the driving motor 211, the right end of the first screw 213 is threaded through the left side of the slider 214 and is movably installed on the right side of the slide 212, and the starting side plate 221 can drive the first screw 213 to rotate through the slider 214 to drive the drilling motor 215 to move horizontally to the drilling position for easy adjustment.
[0032] The drilling position can be easily adjusted by setting the first screw 213 and the slider 214. When in use, the driving motor 211 is started to drive the first screw 213 to rotate, and then the first screw 213 will adjust the position of the drilling motor 215 through the slider 214. When it is adjusted to the appropriate position, the driving motor 211 is turned off to fix the position of the drilling motor 215. It is convenient, fast and practical.
[0033] At the same time, the contents not described in detail in this specification belong to the existing technology known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.
[0034] When in use, the user connects the device to the power supply, then inserts one end of the crankshaft into the interior of the fixed cylinder 227, and then rotates the limiting cylinder 226 to move it to the left and squeeze the triangular plate 228. Then the triangular plate 228 will drive the clamping plate 2211 to move closer to the crankshaft through the notch 2210 to the fixed cylinder 227 to clamp the crankshaft. Then, the limiting cylinder 226 is released to fix the position of the clamping plate 2211. Then, the DC motor 234 is started to drive the second screw 231 to rotate. The second screw 231 causes the sliding frame 225 to move to the left, and then the sliding frame 225 is moved to the left. 25 will drive the fixing plate 224 to make the left end of the crankshaft rest against one side of the top cone 222 to fix the position of the crankshaft, and then start the driving motor 211 to drive the first screw 213 to rotate, and then the first screw 213 will adjust the position of the drilling motor 215 through the slider 214. When it is adjusted to the appropriate position, the driving motor 211 is turned off to fix the position of the drilling motor 215, and then the drilling motor 215 can be started to drill the crankshaft, and the generated debris will fall into the inside of the collection box 223 for storage.
[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include" or "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A clamping type adjustable drilling device for crankshaft machining, comprising a workbench (1), characterized in that: The workbench (1) includes a control console (3) fixedly mounted on the left side of the top surface of the workbench (1). The top surface of the workbench (1) is provided with a processing mechanism (2) for clamping and fixing the crankshaft for processing and drilling. The processing mechanism (2) includes: A punching assembly (21) is provided on the top surface of the workbench (1) and is used for drilling holes in the crankshaft; A clamping assembly (22) is arranged on the top surface of the workbench (1) for fixing the position of the crankshaft. The clamping assembly (222) includes a collection box (223) fixedly mounted on the top surface of the workbench (1). A sliding frame (225) is movably mounted on the top surface of the collection box (223). A fixed plate (224) is fixedly mounted on the top surface of the sliding frame (225). A fixed cylinder (227) is fixedly mounted on the right side of the fixed plate (224). Four notches (2210) are provided on the outer side of the fixed cylinder (227). The right sides of the four notches (2210) are movably hinged with a triangular plate (228). A tension spring (229) is fixedly mounted on the left side of the triangular plate (228). A clamping plate (2211) is movably hinged on the opposite side of the triangular plate (228). A limiting cylinder (226) is threadedly mounted on the right end of the outer side of the fixed cylinder (227). A movable assembly (23) is arranged on the top surface of the workbench (1) and is used to accommodate crankshafts of different lengths.
2. The clamping type adjustable drilling device for crankshaft machining according to claim 1, characterized in that: The clamping assembly (22) further comprises a side plate (221) fixedly mounted on the left side of the top surface of the collection box (223); a top cone (222) is fixedly mounted on the right side of the side plate (221); opposite sides of the triangular plate (228) are movable through the interior of the four notches (2210) and are movably hinged to one side of the clamping plate (2211); the left end of the fixed cylinder (227) passes through the right side of the fixed plate (224) and extends to the left side of the fixed plate (224); one end of the tension spring (229) is fixedly mounted on the right side of the fixed plate (224); and the outer side of the triangular plate (228) is tightly attached to the inner side of the limiting cylinder (226).
3. The clamping type adjustable drilling device for crankshaft machining according to claim 1, characterized in that: The moving assembly (23) includes a movable groove (232) provided on both front and rear sides of the collection box (223); a second screw (231) is movably mounted inside the movable groove (232); movable blocks (233) are fixedly mounted on both front and rear ends of the inner side of the sliding frame (225); and a DC motor (234) is fixedly mounted on both front and rear sides of the right end of the collection box (223).
4. The clamping type adjustable drilling device for crankshaft machining according to claim 3, characterized in that: The opposite sides of the collecting box (223) are both slidably mounted inside the movable groove (232); the left end of the second screw rod (231) is threadedly passed through the right side of the movable block (233) and is movably mounted inside the movable groove (232); the right end of the second screw rod (231) is movably passed through the inside of the movable groove (232) and is fixedly mounted on the output end of the DC motor (234).
5. The clamping type adjustable drilling device for crankshaft machining according to claim 1, characterized in that: The punching assembly (21) comprises a slide groove (212) provided on the rear side of the top surface of the workbench (1); a driving motor (211) is fixedly installed on the left side of the workbench (1); a first screw rod (213) is movably installed inside the slide groove (212); a slider (214) is slidably installed inside the slide groove (212); and a drilling motor (215) is fixedly installed on the top surface of the slider (214).
6. The clamping type adjustable drilling device for crankshaft machining according to claim 5, characterized in that: The left end of the first screw rod (213) is movably inserted into the interior of the slide groove (212) and is fixedly mounted on the output end of the driving motor (211); the right end of the first screw rod (213) is threadedly inserted into the left side of the slider (214) and is movably mounted on the right side of the slide groove (212).
Citation Information
Patent Citations
Clamping type adjustable drilling device for crankshaft machining
CN221110002U