Lathe for crank machining
By designing a multi-functional drilling disc and a crank machining lathe for adjusting cylinders, the problem of a single drilling method was solved, enabling multi-form drilling and high-precision machining, and reducing labor costs.
Patent Information
- Application Number
- CN202520525739.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-25
AI Technical Summary
In the existing technology, after the crank is fixed, the single cutting head has limited drilling methods and cannot perform multi-form drilling operations, resulting in a relatively simple drilling form.
A crank machining lathe was designed, comprising a base, machining mechanism, clamping assembly, drilling assembly, and adjustment assembly. Through the cooperation of a multi-functional drilling disc and an adjusting cylinder, the crank can be roughed and finely machined, improving the degree of automation and machining accuracy.
It enables multi-form drilling operations on cranks, improves machining accuracy, reduces manual labor input, lowers production costs, and features a simple structure that facilitates production.
Smart Images

Figure CN223946833U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motorcycle parts processing technical field especially, relates to a lathe for crank machining. BACKGROUND
[0002] The vertical lathe special for crank is mainly used for the crank machining of semi-combined low-speed diesel engine crankshaft, can solve the machining problem of deep groove structure of large crank parts, utilizes long knife plate to install special cutter, finishes the turning of crank blocking, pin shaft neck, unloading groove and other parts.
[0003] The machining lathe in prior art usually includes scribing, clamping alignment, blocking plane rough and semi-precision machining, crank pin rough and semi-precision machining, unloading groove machining and plane precision machining, and the existing lathe has high automation degree and accurate machining precision, the work personnel places the crank in the clamping of the outer end of the rotating motor, and carries out drilling machining by the corresponding drill bit or blade.
[0004] But in the prior art, after the crank is fixed, the single tool bit drilling mode is limited, cannot carry out multi-form drilling operation, and the drilling form is relatively single. UTILITY MODEL CONTENTS
[0005] The utility model discloses a lathe for crank machining, solve the prior art in the crank fixed after single tool bit drilling mode is limited, cannot carry out multi-form drilling operation, and the drilling form is relatively single's problem.
[0006] To realize above-mentioned purpose, the utility model provides a lathe for crank machining, including base and processing mechanism, the processing mechanism includes top box, baffle, illumination board, clamping assembly, drilling assembly and adjusting assembly, the adjusting assembly with top box fixed connection lies in the back of top box, drilling assembly with adjusting assembly fixed connection lies in one side of adjusting assembly, clamping assembly with top box fixed connection lies in the inboard of top box, illumination board with top box fixed connection lies in the inner top of top box, baffle with top box fixed connection lies in the positive side of top box, top box with base fixed connection lies in the top of base.
[0007] Among them, the clamping assembly includes built-in box, clamping motor, clamping disc and holding rod, the holding rod with built-in box fixed connection lies in the positive side of built-in box, the clamping disc with the output of clamping motor fixed connection, clamping motor with built-in box fixed connection lies in the inboard of built-in box, built-in box with top box fixed connection lies in the inboard of top box.
[0008] The drilling assembly comprises a movable box, a drilling disc and two pulleys, the two pulleys are rotationally connected with the movable box and are located at the back side of the movable box, the drilling disc is rotationally connected with the movable box and is located at one side of the movable box, and the movable box is fixedly connected with the adjusting assembly and is located at one side of the adjusting assembly.
[0009] The adjusting assembly comprises a mounting plate, an adjusting cylinder and a cross rod, the cross rod and the mounting plate are fixedly connected with the top box and are located at the back side of the top box, and the adjusting cylinder is fixedly connected with the mounting plate and is located at one side of the mounting plate.
[0010] The base comprises a seat body, an inclined block and a collecting box, the collecting box is fixedly connected with the seat body and is located at the inner top wall of the seat body, the inclined block is fixedly connected with the seat body and is located above the seat body, and the seat body is fixedly connected with the top box and is located below the top box.
[0011] The crank machining lathe of the utility model has the advantages that the drilling disc with multiple functions is arranged, the rough and fine machining of the crank is realized, the adjusting cylinder in the adjusting assembly and the movable box in the drilling assembly are matched, the automation degree is improved, the machining precision of the crank workpiece is ensured, the labor input is reduced, the cost is reduced, the design structure is simple, production is facilitated, the single drill bit machining drilling mode is limited after the crank is fixed, multi-form drilling operation cannot be performed, and the drilling form is relatively single. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.
[0013] Figure 1 It is a whole structure schematic view of the crank machining lathe of the utility model.
[0014] Figure 2 It is a rear view of the crank machining lathe of the utility model.
[0015] Figure 3 It is a front view of the crank machining lathe of the utility model.
[0016] Figure 4 It is an A-A line section view of the crank machining lathe of the utility model. Figure 3
[0017] It is a B-B line section view of the crank machining lathe of the utility model. Figure 5 Figure 4
[0018] 101-Base, 102-Processing mechanism, 103-Top box, 104-Baffle, 105-Lighting panel, 106-Holding assembly, 107-Drilling assembly, 108-Adjusting assembly, 109-Built-in box, 110-Holding motor, 111-Holding disc, 112-Grip rod, 113-Moveable box, 114-Drilling disc, 115-Pulley, 116-Mounting plate, 117-Adjusting cylinder, 118-Crossbar, 119-Seat, 120-Inclined block, 121-Collection box. Detailed Implementation
[0019] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0020] Please see Figures 1-5 ,in Figure 1 This is a schematic diagram of the overall structure of a lathe for machining crankshafts according to this utility model. Figure 2 This is a rear view of a lathe for machining crankshafts according to this utility model. Figure 3 This is a front view of a lathe for machining crankshafts according to this utility model. Figure 4 This is the utility model Figure 3 AA-line sectional view, Figure 5 This is the utility model Figure 4 BB line section view.
[0021] This utility model provides a lathe for machining cranks, including a base 101 and a machining mechanism 102. The machining mechanism 102 includes a top box 103, a partition 104, a lighting plate 105, a clamping assembly 106, a drilling assembly 107, and an adjusting assembly 108. The clamping assembly 106 includes an internal box 109, a clamping motor 110, a clamping disc 111, and a gripping rod 112. The drilling assembly 107 includes a movable box 113, a drilling disc 114, and two pulleys 115. The adjusting assembly 108 includes a mounting plate 116, an adjusting cylinder 117, and a crossbar 118. The base 101 includes a seat 119, an inclined block 120, and a collection box 121.
[0022] For this specific embodiment, the adjusting assembly 108 is fixedly connected with the top box 103, the drilling assembly 107 is fixedly connected with the adjusting assembly 108, the clamping assembly 106 is fixedly connected with the top box 103, the lighting plate 105 is fixedly connected with the top box 103, the partition plate 104 is fixedly connected with the top box 103, the top box 103 is fixedly connected with the base 101, the holding rod 112 is fixedly connected with the built-in box 109, the clamping disc 111 is fixedly connected with the output end of the clamping motor 110, the clamping motor 110 is fixedly connected with the built-in box 109, the built-in box 109 is fixedly connected with the top box 103, both the pulleys 115 are rotationally connected with the movable box 113, the drilling disc 114 is rotationally connected with the movable box 113, the movable box 113 is fixedly connected with the adjusting assembly 108, the horizontal rod 118 and the mounting plate 116 are both fixedly connected with the top box 103, the adjusting cylinder 117 is fixedly connected with the mounting plate 116, the collecting box 121 is fixedly connected with the seat body 119, the inclined block 120 is fixedly connected with the seat body 119, the seat body 119 is fixedly connected with the top box 103, by arranging the drilling disc 114 with multiple functions, the thick and thin machining of the crank machining is realized, and the adjusting cylinder 117 in the adjusting assembly 108 and the movable box 113 in the drilling assembly 107 are matched, so that the automation degree is improved, the machining precision of the crank workpiece is ensured, the manual input is reduced, the cost is reduced, the design structure is simple, the production is facilitated, the single drill bit machining drilling mode is limited after the crank is fixed, the multi-form drilling operation cannot be performed, and the drilling form is relatively single.
[0023] Among them, the adjusting assembly 108 is located at the back side of the top box 103, the drilling assembly 107 is located at one side of the adjusting assembly 108, the clamping assembly 106 is located at the inner side of the top box 103, the lighting plate 105 is located at the inner top of the top box 103, the partition plate 104 is located at the front side of the top box 103, the top box 103 is located above the base 101, the clamping disc 111 is matched with the crank to be machined, and the staff needs to manually install and take the crank.
[0024] Secondly, the holding rod 112 is located on the front side of the built-in box 109, the clamping motor 110 is located on the inner side of the built-in box 109, the built-in box 109 is located on the inner side of the top box 103, both the pulleys 115 are located on the back side of the movable box 113, the drilling disc 114 is located on one side of the movable box 113, the movable box 113 is located on one side of the adjusting assembly 108, when the adjusting cylinder 117 drives the movable box 113 to move left and right, both the pulleys 115 on the back side of the movable box 113 slide on the cross rod 118, which supports the movable box 113, ensures the smooth operation of the movable box 113, and does not affect the movement of the movable box 113, the back side of the top box 103 is hollow, so it can support the back and forth movement of the movable box 113, and the lower end of the movable box 113 can be extended or retracted under the action of the internal cylinder, so as to adjust the drilling disc 114 in front of the clamping disc 111.
[0025] Meanwhile, the cross rod 118 and the mounting plate 116 are located on the back side of the top box 103, the adjusting cylinder 117 is located on one side of the mounting plate 116, the collecting box 121 is located on the inner top wall of the seat body 119, the inclined block 120 is located above the seat body 119, and the seat body 119 is located below the top box 103. It should be noted that the drilling disc 114 is fixedly connected with the output end of the drive motor in the movable box 113, and can be turned under the control of the drive motor, and the outer side of the drilling disc 114 has multiple functions. The crank is first placed on one side of the clamping disc 111 by hand, then the cylinder in the movable box 113 places the drilling disc 114 and the crank in the same plane, the drive motor rotates the drilling disc 114, the abutting column on the drilling disc 114 tightly abuts the crank to the inner side of the clamping disc 111, then the drilling disc 114 rotates to the appropriate tool bit, and under the action of the adjusting cylinder 117, the movable box 113 moves towards the clamping disc 111, gradually processing the crank. During this period, the adjusting cylinder 117 changes the left and right positions of the movable box 113 at any time to ensure accurate processing, and the waste produced by drilling enters the collecting box 121 through the inclined block 120, which is convenient for subsequent collection and processing by workers.
[0026] In this embodiment, the clamping disc 111 is just matched with the crank to be processed, the worker needs to manually install and take the crank, when the adjusting cylinder 117 drives the movable box 113 to move left and right, the two pulleys 115 on the back side of the movable box 113 slide on the cross rod 118, supporting the movable box 113, ensuring the smooth operation of the movable box 113 without affecting the movement of the movable box 113, the back side of the top box 103 is hollow, so it can support the back and forth movement of the movable box 113, at the same time, the lower end of the movable box 113 can be extended or retracted under the action of the internal cylinder, so as to adjust the drilling disc 114 in front of the clamping disc 111, it should be noted that the drilling disc 114 is fixedly connected with the output end of the driving motor inside the movable box 113, and can be turned under the control of the driving motor, and the outside of the drilling disc 114 has multiple different functions, the crank is first placed on one side of the clamping disc 111 by artificial, then the cylinder inside the movable box 113 makes the drilling disc 114 and the crank in the same plane, the driving motor rotates the drilling disc 114, the abutting column on the drilling disc 114 tightly abuts the crank to the inside of the clamping disc 111, then the drilling disc 114 is rotated to the appropriate tool bit, and under the action of the adjusting cylinder 117, the movable box 113 is driven to move to the clamping disc 111, gradually processing the crank, during which the adjusting cylinder 117 changes the left and right positions of the movable box 113 at any time to ensure accurate processing, the waste produced by drilling enters the collecting box 121 through the inclined block 120, which is convenient for subsequent collection and processing of the worker.
[0027] The above disclosure is only one or more preferred embodiments of the present application, which cannot limit the scope of the rights of the present application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.
Claims
1. A lathe for machining cranks, comprising a base, characterized in that, It also includes a processing mechanism, which comprises a top box, a partition, a lighting panel, a clamping assembly, a drilling assembly, and an adjusting assembly. The adjusting assembly is fixedly connected to the top box and located on the back side of the top box. The drilling assembly is fixedly connected to the adjusting assembly and located on one side of the adjusting assembly. The clamping assembly is fixedly connected to the top box and located on the inner side of the top box. The lighting panel is fixedly connected to the top box and located at the inner top of the top box. The partition is fixedly connected to the top box and located on the front side of the top box. The top box is fixedly connected to the base and located above the base.
2. The lathe for machining crankshafts as described in claim 1, characterized in that, The clamping assembly includes a built-in box, a clamping motor, a clamping disc, and a gripping rod. The gripping rod is fixedly connected to the built-in box and is located on the front side of the built-in box. The clamping disc is fixedly connected to the output end of the clamping motor. The clamping motor is fixedly connected to the built-in box and is located inside the built-in box. The built-in box is fixedly connected to the top box and is located inside the top box.
3. The lathe for machining crankshafts as described in claim 2, characterized in that, The drilling assembly includes a movable box, a drilling disc, and two pulleys. Both pulleys are rotatably connected to the movable box and located on the back side of the movable box. The drilling disc is rotatably connected to the movable box and located on one side of the movable box. The movable box is fixedly connected to the adjustment assembly and located on one side of the adjustment assembly.
4. The lathe for machining crankshafts as described in claim 3, characterized in that, The adjustment assembly includes a mounting plate, an adjustment cylinder, and a crossbar. The crossbar and the mounting plate are both fixedly connected to the top box and located on the back side of the top box. The adjustment cylinder is fixedly connected to the mounting plate and located on one side of the mounting plate.
5. The lathe for machining crankshafts as described in claim 4, characterized in that, The base includes a seat body, an inclined block, and a collection box. The collection box is fixedly connected to the seat body and located on the inner top wall of the seat body. The inclined block is fixedly connected to the seat body and located above the seat body. The seat body is fixedly connected to the top box and located below the top box.