Crankshaft heat treatment tool clamp

By designing crankshaft heat treatment tooling fixtures with adjustable L-shaped plate, cone and lift plate structures, the problem of being unable to fix crankshafts of different sizes in the prior art is solved, and the fixation and efficient heat treatment of crankshafts of any height are achieved.

CN222781656UActive Publication Date: 2025-04-22WENLING XINDU MACHINERY
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Patent Information

Application Number
CN202421663737.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-04-22
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

Existing crankshaft heat treatment tool clamps cannot effectively fix the crankshaft when facing crankshafts of different sizes, resulting in limited application scope.

Method used

A crankshaft heat treatment tool clamp including arrangement modules and placement modules is designed. By adjusting the height of the L-shaped plate, cone and lifting plate, and using a combined structure of threaded rods and sliders, the crankshaft of any height is fixed.

Benefits of technology

The device can fix crankshafts of any height, significantly improve the scope of application, and by disassembling crankshafts, avoiding collisions with each other, and improving heat treatment efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a crankshaft heat treatment frock clamp, including arranging module and placing module, arranging module includes vertically placing frame, a plurality of raising frame with vertically placing frame plug-in connection, and a plurality of T-shaped chute on vertically placing frame front side and raising frame front side. According to the crankshaft fixing device, the threaded rods on the L-shaped plate are unscrewed firstly, then the L-shaped plate is loosened, after a worker adjusts the L-shaped plate and the cone to the proper height, the two threaded rods are screwed, then the bottom end of a crankshaft to be fixed is aligned with the cone, then the cone supports the crankshaft, and then the crankshaft is fixed according to the height of the crankshaft. The steps of unscrewing and screwing the threaded rod are repeated, then the height of the first lifting plate and the height of the second lifting plate are adjusted, the crankshaft can be clamped between the two pressing plates, then the top end of the crankshaft can be sleeved with the pressing cover, and therefore the crankshaft can be fixed, the device can fix crankshafts of any height, and the application range is widened.
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Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft clamps, in particular to a crankshaft heat treatment fixture. Background Art

[0002] The crankshaft is the main rotating part of the engine. After the connecting rod is installed, it can transform the up and down (reciprocating) motion of the connecting rod into a circular (rotating) motion. It is an important part of the engine. Its material is made of carbon structural steel or ductile iron. It has two important parts: the main journal and the connecting rod journal (and others).

[0003] Application No. CN202320352550.4 provides a crankshaft heat treatment fixture, which belongs to the field of machinery. It solves the problem of complex fixing methods and inconvenient transportation of existing crankshaft heat treatment fixtures. The crankshaft heat treatment fixture includes a frame body and several crankshafts and other structures. The utility model has the advantages of easy clamping, strong versatility and high heat treatment efficiency. When this application is used specifically, there are some problems, such as: when facing crankshafts of different sizes such as three-cylinder and four-cylinder, once the crankshaft length exceeds the width of the frame body, the crankshaft cannot be fixed, which reduces the scope of application of the application. Utility Model Content

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0005] To this end, the technical solution adopted in this utility model is:

[0006] A crankshaft heat treatment fixture comprises an arranging module and a placing module, wherein the arranging module comprises a vertical rack, a plurality of lifting racks plugged into the vertical rack, a plurality of T-shaped slide grooves opened on the front sides of the vertical rack and the lifting rack, and a placing module, wherein the placing module comprises a plurality of L-shaped plates attached to the front side of the vertical rack, a cone connected to the top of the L-shaped plate, a plurality of lifting plates attached to the front side of the vertical rack, two side plates installed on both sides of the lifting plates, a pressure plate running through the inner sides of the side plates, a spring connected between the side plates and the pressure plate, a lifting plate attached to the front side of the lifting rack, a pressure cover connected to the lifting plate, a slider slidably installed inside the T-shaped slide groove, a threaded rod threadedly connected to the slider, a plurality of threaded rods are respectively clamped with the L-shaped plate, the lifting plate and the lifting plate, and a circular groove is opened at the bottom of the pressure cover.

[0007] By adopting the above technical solution, the threaded rod on the L-shaped plate is first loosened, and then the L-shaped plate is relaxed. After the staff adjusts the L-shaped plate and the cone to a suitable height, the two threaded rods are tightened, and then the bottom end of the crankshaft to be fixed is aligned with the cone, and then the cone supports the crankshaft. Then, according to the height of the crankshaft, the steps of loosening and tightening the threaded rod are repeated, and then the height of the lifting plate one and the lifting plate two are adjusted so that the crankshaft can be clamped between the two pressure plates, and then the pressure cover can be put on the top of the crankshaft, thereby realizing the fixation of the crankshaft. The device can fix crankshafts of any height, thereby improving the scope of application.

[0008] In a preferred example, the utility model can be further configured as follows: a plurality of threaded holes are provided on the vertical rack, and the plurality of threaded holes are arranged in two rows with equal spacing.

[0009] In a preferred example, the present invention can be further configured as follows: the T-shaped slide groove on the front side of the vertical rack is vertically coaxial with the T-shaped slide groove on the front side of the lifting rack.

[0010] In a preferred example, the utility model can be further configured as follows: a plurality of L-shaped plates are arranged in a row at equal intervals, and a plurality of lifting-one plates and a plurality of lifting-two plates are respectively located on the top of the plurality of L-shaped plates.

[0011] In a preferred example, the utility model can be further configured as follows: a plurality of openings are provided on the vertical rack, and the plurality of openings and the plurality of L-shaped plates are arranged alternately.

[0012] In a preferred example, the utility model can be further configured as follows: the cone and the circular groove are vertically coaxial, and the diameter of the circular groove is equal to the diameter of the bottom of the cone.

[0013] In a preferred example, the utility model can be further configured as follows: the sliders are arranged in groups of two, and are arranged in multiple groups, and the multiple groups of sliders are respectively located at the rear side of the L-shaped plate, the rear side of the lifting plate one, and the rear side of the lifting plate two.

[0014] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0015] 1. In the utility model, the threaded rod on the L-shaped plate is first loosened, and then the L-shaped plate is relaxed. After the staff adjusts the L-shaped plate and the cone to a suitable height, the two threaded rods are tightened, and then the bottom end of the crankshaft to be fixed is aligned with the cone, and then the cone supports the crankshaft, and then according to the height of the crankshaft, the steps of loosening and tightening the threaded rod are repeated, and then the height of the lifting plate one and the lifting plate two are adjusted so that the crankshaft can be clamped between the two pressure plates, and then the pressure cover can be sleeved on the top of the crankshaft, thereby realizing the fixation of the crankshaft. The device can fix crankshafts of any height, thereby improving the scope of application.

[0016] 2. In the utility model, after the multiple crankshafts are vertically clamped, they will be separated by multiple openings, which allows the multiple crankshafts to be placed separately, ensuring that the crankshafts will not collide with each other, and then the heat treatment effect of each crankshaft can also be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the arrangement modules of the utility model;

[0019] Figure 3 This is a schematic diagram of the connection relationship between the L-shaped plate, the cone, the threaded rod and the slider of the utility model;

[0020] Figure 4 This is a schematic diagram of the connection relationship between the lifting plate, the side plate, the pressure plate and the spring of the utility model;

[0021] Figure 5 It is a schematic diagram of the connection relationship between the two lifting plates and the pressure cover of the utility model.

[0022] Reference numerals:

[0023] 100, arrangement module; 110, vertical rack; 120, lifting rack; 130, T-shaped slide;

[0024] 200, placement module; 210, L-shaped plate; 220, cone; 230, lifting plate 1; 240, side plate; 250, pressure plate; 260, spring; 270, lifting plate 2; 280, pressure cover; 290, slider; 291, threaded rod;

[0025] 300. Threaded hole. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0027] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0028] A crankshaft heat treatment fixture provided by some embodiments of the utility model is described below in conjunction with the accompanying drawings. Embodiment 1

[0029] Combination Figure 1-5As shown, the present invention provides a crankshaft heat treatment fixture, comprising an arrangement module 100 and a placement module 200, wherein the arrangement module 100 comprises a vertical rack 110, a plurality of lifting racks 120 plugged with the vertical rack 110, and a plurality of T-shaped slide grooves 130 provided at the front sides of the vertical rack 110 and the lifting rack 120;

[0030] The placement module 200 includes a plurality of L-shaped plates 210 attached to the front side of the vertical placement frame 110, a cone 220 connected to the top of the L-shaped plate 210, a plurality of lifting plates 230 attached to the front side of the vertical placement frame 110, two side plates 240 installed on both sides of the lifting plate 230, a pressure plate 250 passing through the inner side of the side plate 240, a spring 260 connected between the side plate 240 and the pressure plate 250, a lifting plate 270 attached to the front side of the lifting frame 120, a pressure cover 280 connected to the lifting plate 270, a slider 290 slidably installed inside the T-shaped slide groove 130, and a threaded rod 291 threadedly connected to the slider 290. The plurality of threaded rods 291 are respectively clamped with the L-shaped plate 210, the lifting plate 230, and the lifting plate 270, and a circular groove is provided at the bottom of the pressure cover 280.

[0031] Furthermore, the T-shaped slide groove 130 on the front side of the vertical rack 110 is vertically coaxial with the T-shaped slide groove 130 on the front side of the lifting rack 120. The arrangement of the T-shaped slide grooves 130 on the vertical rack 110 and the lifting rack 120 enables multiple sliders 290 to be flexibly raised and lowered.

[0032] Furthermore, multiple L-shaped plates 210 are arranged in a row at equal intervals, and multiple lifting plates 230 and multiple lifting plates 270 are respectively located on the top of the multiple L-shaped plates 210. With this layout design, the entire body of the crankshaft can be fixed multiple times.

[0033] Furthermore, the cone 220 is vertically coaxial with the circular groove, and the diameter of the circular groove is equal to the bottom diameter of the cone 220. The circular groove is provided so that the pressure cover 280 can fix the top end of the crankshaft, and its size design also ensures that the pressure cover 280 can clamp the top end of the crankshaft.

[0034] Furthermore, the sliders 290 are arranged in groups of two, and are arranged in multiple groups. The multiple groups of sliders 290 are respectively located at the rear side of the L-shaped plate 210, the rear side of the lifting plate 230, and the rear side of the lifting plate 270. With this layout design, the lifting of the rear side of the L-shaped plate 210, the lifting plate 230, and the lifting plate 270 can be more stable. Embodiment 2

[0035] Combination Figure 1-2As shown, based on the first embodiment, a plurality of threaded holes 300 are provided on the vertical frame 110, and the plurality of threaded holes 300 are arranged in two rows at equal intervals. The threaded holes 300 can be provided to firmly connect the vertical frame 110 to the external device, and then the vertical frame 110 can firmly fix the crankshaft. Embodiment 3

[0036] Combination Figure 1-2 As shown, in the above embodiment, the vertical rack 110 is provided with a plurality of openings, and the plurality of openings are staggered with the plurality of L-shaped plates 210. The openings are provided so that the clamped plurality of crankshafts can be separated to ensure the heat treatment effect of each crankshaft.

[0037] The working principle and use process of the utility model are as follows: when the device is put into actual use, the threaded rod 291 on the L-shaped plate 210 is first loosened, and then the L-shaped plate 210 is relaxed. After the staff adjusts the L-shaped plate 210 and the cone 220 to a suitable height, the two threaded rods 291 are tightened, and then the bottom end of the crankshaft to be fixed is aligned with the cone 220, and then the cone 220 supports the crankshaft, and then according to the height of the crankshaft, the above steps of loosening and tightening the threaded rod 291 are repeated, and then the height of the lifting plate 1 230 and the lifting plate 270 are adjusted so that the crankshaft can be clamped between the two pressure plates 250, and then the pressure cover 280 can be sleeved on the top of the crankshaft, thereby realizing the fixation of the crankshaft. The device can fix crankshafts of any height, thereby improving the scope of application.

[0038] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A crankshaft heat treatment fixture, characterized in that: include: An arrangement module (100), the arrangement module (100) comprising a vertical rack (110), a plurality of lifting racks (120) plugged into the vertical rack (110), and a plurality of T-shaped slide grooves (130) provided on the front sides of the vertical rack (110) and the lifting rack (120); A placement module (200), the placement module (200) comprising a plurality of L-shaped plates (210) attached to the front side of the vertical placement rack (110), a cone (220) connected to the top of the L-shaped plate (210), a plurality of lifting plates (230) attached to the front side of the vertical placement rack (110), two side plates (240) installed on both sides of the lifting plates (230), a pressing plate (250) penetrating the inner side of the side plates (240), and a connecting plate (250) connected to the side plates (240) and the pressing plate (250). A spring (260) therebetween, a lifting plate (270) attached to the front side of the lifting frame (120), a pressure cover (280) connected to the lifting plate (270), a slider (290) slidably installed inside the T-shaped slot (130), and a threaded rod (291) threadedly connected to the slider (290), wherein the plurality of threaded rods (291) are respectively connected to the L-shaped plate (210), the lifting plate (230), and the lifting plate (270), and a circular groove is provided at the bottom of the pressure cover (280).

2. A crankshaft heat treatment fixture according to claim 1, characterized in that: The vertical rack (110) is provided with a plurality of threaded holes (300), and the plurality of threaded holes (300) are arranged at equal intervals and in two rows.

3. A crankshaft heat treatment fixture according to claim 1, characterized in that: The T-shaped slide groove (130) on the front side of the vertical frame (110) is vertically coaxial with the T-shaped slide groove (130) on the front side of the lifting frame (120).

4. A crankshaft heat treatment fixture according to claim 1, characterized in that: The plurality of L-shaped plates (210) are arranged in a row at equal intervals, and the plurality of lifting plates (230) and the plurality of lifting plates (270) are respectively located on the top of the plurality of L-shaped plates (210).

5. The crankshaft heat treatment fixture according to claim 1, characterized in that: The vertical rack (110) is provided with a plurality of openings, and the plurality of openings and the plurality of L-shaped plates (210) are arranged in a staggered manner.

6. A crankshaft heat treatment fixture according to claim 1, characterized in that: The cone (220) is vertically coaxial with the circular groove, and the diameter of the circular groove is equal to the bottom diameter of the cone (220).

7. The crankshaft heat treatment fixture according to claim 1, characterized in that: The sliders (290) are arranged in groups of two, and are arranged in multiple groups. The multiple groups of sliders (290) are respectively located at the rear side of the L-shaped plate (210), the rear side of the first lifting plate (230), and the rear side of the second lifting plate (270).

Citation Information

Patent Citations

  • Crankshaft heat treatment tool clamp

    CN219195074U