Crankshaft eccentric part heat treatment clamp

Abstract

The utility model relates to the technical field of crankshaft heat treatment, in particular to a crankshaft eccentric part heat treatment clamp which comprises a crankshaft body, a side plate, a positioning plate and a bottom plate, the side plate is arranged on one side of the crankshaft body, the crankshaft body and the side plate are oppositely arranged in parallel, and the bottom end of the side plate is fixedly connected with the upper end face of the bottom plate. The upper end face of the bottom plate is connected with a positioning plate through a positioning pin, the upper end face of the positioning plate is further fixedly connected with an alloy tip, and the top end of the alloy tip is connected with the bottom end of the crankshaft body. A buckle is connected to the upper portion of the side, close to the crankshaft body, of the side plate, the crankshaft body is sleeved with the buckle, the buckle is connected with the crankshaft body through a glass bead fastening screw, an arc-shaped groove matched with the crankshaft body is formed in one end of the buckle, and a buckle insert is arranged at the top end of the buckle. When the workbench rotates, the coil is quenched to enable parts to be heated evenly, the bead fastening screws automatically fasten the products, the products are guaranteed not to fall off during rotating work, and the device has the advantage of being convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crankshaft heat treatment, and particularly relates to a crankshaft eccentric part heat treatment fixture. BACKGROUND

[0002] The crankshaft mainly consists of a crankshaft front end, a main shaft neck, a connecting rod shaft neck, a crank, a balance block, a crankshaft rear end and the like, and its main function is to convert the gas pressure transmitted by the piston connecting rod group into torque for outputting to the outside, and can drive the valve timing mechanism of the internal combustion engine and various other accessories. The working environment and stress condition of the crankshaft are very complex, and the crankshaft bears the combined action of periodically changing gas pressure, centrifugal force and inertial force during work, so that the dimensional accuracy, positional accuracy and surface roughness of each part of the crankshaft have high requirements in processing and manufacturing. The crankshaft needs to be heat treated during production, but the prior art lacks a special fixture for crankshaft heat treatment.

[0003] Therefore, the utility model provides a crankshaft eccentric part heat treatment fixture. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a main purpose at providing a crankshaft eccentric part heat treatment fixture, the eccentric part of crankshaft is coaxial with the machine table, and the coil quenching makes the part even when the workbench rotates Heat, and the wave bead setscrew automatically holds the product, guarantees the product not to drop when rotating, has the advantage that convenient to disassemble, can effectively solve the problem in the prior art.

[0005] To achieve the above object, the utility model adopts the technical scheme that:

[0006] The crankshaft eccentric part heat treatment fixture, including crankshaft body, side plate, positioning plate and bottom plate, one side of crankshaft body is equipped with side plate, crankshaft body and side plate are opposite parallelly arranged, the bottom end of alloy tailstock is connected with the bottom end of crankshaft body, the alloy tailstock is fixedly connected on the upper end face of positioning plate, and the alloy tailstock is fixedly connected on the upper end face of positioning plate.

[0007] The side plate is connected with the buckle on the upper part of one side close to the crankshaft body, the buckle is sleeved on the crankshaft body, and the buckle is connected with the crankshaft body through the wave bead setscrew.

[0008] Through the above technical scheme, the eccentric part of the crankshaft is coaxial with the machine table, the coil quenching makes the part even when the workbench rotates, the wave bead setscrew automatically holds the product, guarantees the product not to drop when rotating, and has the advantage that convenient to disassemble.

[0009] Specifically, one end of the buckle is provided with an arc-shaped groove matched with the crankshaft body, and the other end of the buckle is connected with the upper part of one side of the side plate through the first bolt.

[0010] Specific, the buckle top end is equipped with buckle insert part, the buckle insert part is fixedly connected with buckle top end through second bolt.

[0011] Specific, the lower part of the side plate is fixedly connected with one end of the positioning plate through a third bolt.

[0012] Specific, the lower part of the crankshaft body is provided with a positioning block away from one side of the side plate.

[0013] The utility model discloses a crankshaft eccentric part heat treatment fixture, the crankshaft eccentric part is coaxial with the machine table, and the coil quenching makes the part heated evenly when the workbench rotates, the wave pearl setscrew automatically holds the product, guarantees the product not to drop when rotating, has the advantages of convenient dismounting. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further illustrated below in connection with the drawings and embodiments.

[0015] Fig. 1 It is the structural schematic diagram of the utility model;

[0016] Fig. 2 It is the perspective view of the utility model;

[0017] Fig. 3 It is the side view of the utility model;

[0018] In the drawing: 1, crankshaft body;2, buckle insert part;3, wave pearl setscrew;4, buckle;5, side plate;6, alloy center;7, positioning block;8, positioning plate;9, positioning pin;10, bottom plate. DETAILED DESCRIPTION

[0019] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further illustrated below in connection with specific embodiments.

[0020] As an embodiment of the utility model, as shown in Figs. 1-3 The utility model discloses a crankshaft eccentric part heat treatment fixture, including crankshaft body 1, side plate 5, positioning plate 8 and bottom plate 10, one side of crankshaft body 1 is equipped with side plate 5, crankshaft body 1 is arranged to parallel with side plate 5, the bottom of side plate 5 is fixedly connected with the upper end surface of bottom plate 10, the upper end surface of bottom plate 10 is connected with positioning plate 8 through positioning pin 9, the upper end surface of positioning plate 8 is also fixedly connected with alloy center 6, and the top of alloy center 6 is connected with the bottom of crankshaft body 1.

[0021] The side plate 5 is connected with the buckle 4 on the upper part of one side close to the crankshaft body 1, the buckle 4 is sleeved on the crankshaft body 1, and the buckle 4 is connected with the crankshaft body 1 through the wave pearl setscrew 3.

[0022] In use, the crankshaft body 1 eccentric part is coaxial with the machine table, the coil quenching makes the part heated evenly when the workbench rotates, the glass bead setscrew 3 holds the crankshaft body 1, ensures that the crankshaft body 1 does not fall when rotating, has the advantages of convenient disassembly.

[0023] The utility model still includes, the buckle 4 one end is equipped with with the crankshaft body 1 arc -shaped groove of adaptation, the buckle 4 is away from arc -shaped groove one end and is connected through first bolt with the upper part vertical connection of side plate 5 one side.

[0024] The utility model still includes, the buckle 4 top is equipped with buckle insert 2, and the buckle insert 2 is fixedly connected through second bolt with the top of buckle 4.

[0025] The utility model still includes, the lower part of side plate 5 is fixedly connected through third bolt with one end of positioning plate 8.

[0026] The utility model still includes, the lower part of crankshaft body 1 is installed with positioning block 7 away from one side of side plate 5.

[0027] The utility model in use, the crankshaft body 1 is located in the arc -shaped groove of buckle 4, and the bottom end of crankshaft body 1 is connected with the top of alloy center 6, and alloy center 6 is coaxial with the lower part of crankshaft body 1, and the top of crankshaft body 1 is coaxial with positioning plate 8, and bottom plate 10 is connected with heat treatment machine table, and the eccentric part of crankshaft body 1 is coaxial with the machine table, and the coil quenching makes the part heated evenly when the workbench rotates, and the glass bead setscrew 3 holds the crankshaft body 1, ensures that the crankshaft body 1 does not fall when rotating, has the advantages of convenient disassembly.

[0028] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A heat treatment fixture for a crankshaft eccentric, characterized by, Including crankshaft body (1), side plate (5), positioning plate (8) and bottom plate (10), one side of the crankshaft body (1) is equipped with side plate (5), the crankshaft body (1) is parallelly arranged with side plate (5), the bottom end of side plate (5) is fixedly connected with the upper end surface of bottom plate (10), the upper end surface of bottom plate (10) is further connected with positioning plate (8) through positioning pin (9), the upper end surface of positioning plate (8) is further fixedly connected with alloy center (6), the top end of alloy center (6) is connected with the bottom end of crankshaft body (1); The side plate (5) is connected with the buckle (4) on the upper part of the one side close to the crankshaft body (1), the buckle (4) is sleeved on the crankshaft body (1), and the buckle (4) is connected with the crankshaft body (1) through the glass bead set screw (3).

2. The crankshaft eccentric heat treatment fixture of claim 1, wherein, One end of the buckle (4) is provided with an arc-shaped groove matched with the crankshaft body (1), and the other end of the buckle (4) is connected with the upper part of one side of the side plate (5) perpendicularly through the first bolt.

3. The crankshaft eccentric heat treatment fixture of claim 2, wherein, The top end of the buckle (4) is provided with a buckle insert (2), and the buckle insert (2) is fixedly connected with the top end of the buckle (4) through the second bolt.

4. The crankshaft eccentric heat treatment fixture of claim 1, wherein, The lower part of the side plate (5) is fixedly connected with one end of the positioning plate (8) through the third bolt.

5. The crankshaft eccentric heat treatment fixture of claim 1, wherein, The lower part of the crankshaft body (1) is provided with a positioning block (7) away from one side of the side plate (5).

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