Holding device used in part surface heat treatment
A surface heat treatment and clamping device technology, applied in heat treatment furnaces, heat treatment equipment, quenching devices, etc., can solve problems such as uneven surface hardness, and achieve the effects of convenient operation, cost reduction and weight reduction
Inactive Publication Date: 2014-11-12
哈尔滨哈飞航空工业有限责任公司
View PDF7 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] Purpose of the invention: To provide a clamping device for surface heat treatment of parts, which can solve the problem of uneven surface hardness of the ball head part of shaft parts and ensure the hardening depth
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0018] Below in conjunction with accompanying drawing the present invention is described in further detail, please refer to Figure 1 to Figure 7 .
[0019] A clamping device for surface heat treatment of parts, including a positioning shaft 4 for accommodating shaft parts, a fan 8 that is closely matched with the positioning shaft 4, and a fan cover 7 is provided with a blowing port and an outlet at a position corresponding to the fan blade. The tuyere and the positioning shaft are provided with external threads, and the shaft parts are tightly held by the fastening nut 2 with the spring 1 and the lock plate 3. The air flow is introduced from the blowing port to make the fan 8 rotate, and then drive the positioning shaft 4 and the shaft parts to rotate.
[0020] Also be provided with bearing 5, and bearing 5 is contained in the bearing sleeve 6, and positioning shaft 4 is sleeved in the bearing 5.
[0021] The cross section of the locking piece 3 is trapezoidal, and three op...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| hardness | aaaaa | aaaaa |
Login to View More
Abstract
The invention belongs to a holding device used in part surface heat treatment, and especially used in surface quenching of a ball head part of an end of a shaft part. The invention specifically relates to a holding device used in part surface heat treatment. The device comprises a positioning shaft used for receiving a shaft part, and a fan closely matching the positioning shaft. With the cooperation of a fastening nut, a spring and a locking plate, the shaft part is firmly held. Gas flow is introduced from a blowing port, such that the fan rotates, and the positioning shaft and the shaft part rotate under the driving. The holding device provided by the invention is convenient to operate. With the device, various parameter requirements specified by a drawing of the part can be ensured, and the quenching hardness value and hardened layer depth of the surface of each part are substantially constant. Therefore, a problem that requirements of specified hardness value and hardened layer depth cannot be satisfied by surface quenching of a shaft part with ball heads on two ends can be solved. According to the invention, external gas flow is introduced as a power source, such that a manner of adopting a motor as the power source is avoided. Therefore, weight is reduced, energy source is saved, and cost is reduced.
Description
technical field [0001] The invention belongs to a clamping device for surface heat treatment of parts, in particular to surface quenching of a ball head portion at the end of a shaft part, and in particular to a clamping device for surface heat treatment of parts. Background technique [0002] The surface of the ball head as the end of the shaft part is quenched. The surface hardness of the part is HRC54-60, and the middle of the ball head is less than 2.5mm without quenching. The critical surface hardness HV>475, and the hardening depth is 1-2mm. The original quenching method is that the worker holds the part for surface quenching, which is very prone to uneven heating, which makes the surface hardness of the part end uneven, and the hardening depth cannot be guaranteed to be 1-2mm, and the hardening degree often exceeds 2mm or even hardened. until the part breaks. Contents of the invention [0003] Purpose of the invention: To provide a clamping device for surface he...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/28C21D1/62
Inventor 李野刘蔷杜轶囡
Owner 哈尔滨哈飞航空工业有限责任公司