CN115044763A - Local heat treatment equipment for alloy spring steel welding product - Google Patents
Local heat treatment equipment for alloy spring steel welding product Download PDFInfo
- Publication number
- CN115044763A CN115044763A CN202210620267.5A CN202210620267A CN115044763A CN 115044763 A CN115044763 A CN 115044763A CN 202210620267 A CN202210620267 A CN 202210620267A CN 115044763 A CN115044763 A CN 115044763A
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- Prior art keywords
- positioning
- heat treatment
- product
- adjusting
- assembly
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 73
- 229910000639 Spring steel Inorganic materials 0.000 title claims abstract description 19
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 19
- 239000000956 alloy Substances 0.000 title claims abstract description 19
- 238000003466 welding Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000007669 thermal treatment Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2221/00—Treating localised areas of an article
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses local heat treatment equipment for alloy spring steel welding products, which comprises a control electric cabinet; the device is characterized in that a spring heating positioning tool and an infrared temperature detection device are arranged on the control electric cabinet; the spring heating positioning tool comprises a positioning mechanism, an adjusting assembly and a heat treatment assembly, wherein the positioning mechanism is installed on the control electric cabinet, and the heat treatment assembly is installed on the positioning mechanism. According to the invention, through the arrangement of the spring heating positioning tool, the product is fixed and locally heated by the spring heating positioning tool, so that the product is conveniently fixed and locally heated, and the performance of the product is improved; the infrared temperature detection device is arranged to monitor the temperature of the heating part of the product in real time, so that the heating temperature of the product can be monitored in real time conveniently; through adjusting part's setting, utilize adjusting part to adjust location structure and thermal treatment subassembly to be convenient for the regulation of product heating range.
Description
Technical Field
The invention relates to the technical field of heat treatment equipment, in particular to local heat treatment equipment for alloy spring steel welding products.
Background
The welded product of the alloy spring steel needs to be subjected to heat treatment to the welded and formed product to improve the performance of the welded product, but in the prior art, the welded product of the alloy spring steel is subjected to integral heat treatment by utilizing heat treatment equipment such as a resistance heating furnace and the like after the production is finished, the heat treatment mode is long in time and high in power consumption, so that the energy consumption is improved, and the welded product of the alloy spring steel is subjected to integral heat treatment, so that the depth values of a welding point and a base material decarburization layer are too high, the metallographic structures of the welding point and the base material are damaged, the tensile strength is low, the brittle fracture problem is caused, and the quality of a welded wave spring is finally influenced. Therefore, the local heat treatment equipment for the alloy spring steel welding product is provided.
Disclosure of Invention
The invention aims to solve the problems and provides a local heat treatment device for alloy spring steel welding products.
In order to achieve the purpose, the invention provides the following technical scheme: a local heat treatment device for alloy spring steel welding products comprises a fixed support and an electric cabinet arranged on the fixed support; the device is characterized in that a spring heating and positioning tool and an infrared temperature detection device are arranged on a fixed support; the spring heating positioning tool comprises a positioning mechanism arranged on the fixed support and a heat treatment assembly arranged on the positioning mechanism; the positioning mechanism comprises a left positioning component, a right positioning component and a product positioning component which are arranged on the fixed support; the heat treatment assembly is arranged on the left positioning assembly and the right positioning assembly of the positioning mechanism.
Preferably, an insulating bottom plate is further mounted on the fixing support; the left positioning assembly and the right positioning assembly respectively comprise a fixed base arranged on the insulating bottom plate, a positioning cylinder and a positioning base arranged on the fixed base, and an electrode clamp connected with the positioning cylinder and the fixed bottom plate; a plurality of fixed bottom plate adjusting grooves are also formed in the insulating bottom plate; the heat treatment assembly is arranged on the electrode clamp and the positioning base and is connected with the electric cabinet.
Preferably, the heat treatment assembly comprises an upper conducting electrode and a lower conducting electrode which are respectively arranged on the electrode clamp and the positioning base; the upper conducting electrode comprises an upper conducting block which is arranged on the electrode clamp and connected with the electric cabinet and an upper adjusting conducting block which is arranged between the upper conducting block and the motor clamp; the lower conducting electrode comprises a lower conducting block which is arranged on the positioning base and connected with the electric cabinet and a lower adjusting conducting block which is arranged between the lower conducting block and the positioning base; adjusting screws are arranged between the upper adjusting conducting block and the electrode clamp and between the lower adjusting conducting block and the positioning base.
Preferably, a PLC controller, a power module electrically connected with the PLC controller, and a switch are installed in the electric cabinet: the switch is also electrically connected with the power supply module; the power-on conducting block and the power-off conducting block are electrically connected with the power module; the PLC is also electrically connected with an electromagnetic valve; the electromagnetic valve is connected with the positioning cylinder through a pipeline.
Preferably, the product positioning assembly comprises an insulating plate arranged on the fixing support and product positioning blocks symmetrically arranged on the insulating plate; positioning grooves are formed in the product positioning blocks; and the insulating plate is also provided with a positioning block adjusting groove.
Preferably, the infrared temperature detection device comprises an infrared sensor and a temperature display panel which are arranged on the fixed bracket; the infrared sensor is connected with the temperature display panel.
Preferably, the fixed bases of the left positioning assembly and the right positioning assembly are both connected with an adjusting assembly; the adjusting assembly comprises an adjusting cylinder arranged on the fixed support and an adjusting rod arranged on the adjusting cylinder; the adjusting rod is fixedly connected with the fixed base.
The invention has the beneficial effects that: through the arrangement of the spring heating positioning tool, the spring heating positioning tool is used for fixing and locally heating the product, so that the product is convenient to fix and locally heat, the performance of the product is improved, and the energy consumption and the heat treatment time are reduced;
the temperature of the heating part of the product is monitored in real time by the infrared temperature detection device through the arrangement of the infrared temperature detection device, so that the heating temperature of the product is monitored in real time conveniently;
through the setting of product locating component, utilize product locating component to fix a position the product of thermal treatment to location when being convenient for product thermal treatment.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention.
Fig. 3 is a schematic structural view of the product positioning assembly of the present invention.
FIG. 4 is an electrical control schematic of the present invention
Fig. 5 is a schematic structural view of embodiment 2 of the present invention.
Illustration of the drawings: 1, fixing a bracket; 101 an insulating base plate; 102 fixing a bottom plate adjusting groove; 103 an adjusting groove; 2, heating and positioning the tool by the spring; 201 a positioning mechanism; 202 a product positioning assembly; 203 heat treating the component; 204 left positioning component; 205 right positioning component; 206 a fixed base; 207 positioning the cylinder; 208 positioning the base; 209 an electrode clamp; 210 upper conducting electrode; 211 a lower conducting electrode; 212 power up the conducting block; 213, adjusting a conducting block; 214 lower electrical conduction block; 215 adjust the pass block; 216 an adjustment screw; 217 insulating plates; 218 a product positioning block; 219 positioning grooves; 220 positioning block adjusting grooves; 3 infrared temperature detection device; 301 an infrared sensor; 302 a temperature display panel; 4, an electric cabinet; 401 a PLC controller; 402 a power supply module; 5, adjusting the component; 501 adjusting an air cylinder; 502 adjust the rod.
Detailed Description
The following will further describe the apparatus for local heat treatment of a welded product of alloy spring steel according to the present invention with reference to the accompanying drawings.
Example 1
Referring to fig. 1-2, the local heat treatment equipment for the alloy spring steel welding product in the embodiment comprises a fixed bracket 1 and an electric cabinet 4 arranged on the fixed bracket 1; the device is characterized in that a spring heating and positioning tool 2 and an infrared temperature detection device 3 are arranged on a fixed support 1; the spring heating positioning tool 2 comprises a positioning mechanism 201 arranged on the fixed support 1 and a heat treatment assembly 203 arranged on the positioning mechanism 201; the positioning mechanism 201 comprises a left positioning component 204, a right positioning component 205 and a product positioning component 202 which are arranged on the fixed bracket 1; the heat treatment assembly 203 is arranged on a left positioning assembly 204 and a right positioning assembly 205 of the positioning mechanism 201; through the arrangement of the spring heating positioning tool 2, the spring heating positioning tool 2 is utilized to fix and locally heat the product, so that the product is convenient to fix and locally heat, the performance of the product is improved, and the energy consumption and the heat treatment time are reduced; the infrared temperature detection device 3 is used for monitoring the temperature of the heating part of the product in real time through the arrangement of the infrared temperature detection device 3, so that the heating temperature of the product can be monitored in real time conveniently; through the arrangement of the product positioning assembly 202, the product subjected to heat treatment is positioned by the product positioning assembly 202, so that the product is positioned conveniently during heat treatment.
Referring to fig. 1-4, an insulating bottom plate 101 is further mounted on the fixing bracket 1; the left positioning assembly 204 and the right positioning assembly 205 both comprise a fixed base 206 arranged on the insulating base plate 101, a positioning cylinder 207 and a positioning base 208 arranged on the fixed base 206, and an electrode clamp 209 connected with the positioning cylinder 207 and the fixed base plate 206; a plurality of fixed bottom plate adjusting grooves 102 are also formed in the insulating bottom plate 101; the heat treatment assembly 203 is arranged on the electrode clamp 209 and the positioning base 208 and is connected with the electric cabinet 4; the heat treatment assembly 203 comprises an upper conductive electrode 210 and a lower conductive electrode 211 respectively mounted on an electrode clamp 209 and a positioning base 208; the upper conducting electrode 210 comprises an upper conducting block 212 arranged on the electrode clamp 209 and connected with the electric cabinet 4, and an upper adjusting conducting block 213 arranged between the upper conducting block 212 and the motor clamp 209; the lower conductive electrode 211 includes a lower conductive block 214 mounted on the positioning base 208 and connected to the electric cabinet 4, and a lower adjustment conductive block 215 mounted between the lower conductive block 214 and the positioning base 208; adjusting screws 216 are respectively arranged between the upper adjusting conducting block 213 and the electrode clamp 209 and between the lower adjusting conducting block 215 and the positioning base 208; a PLC (programmable logic controller) 401, a power module 402 electrically connected with the PLC 401 and a switch are installed in the electric cabinet 4: the switch is also electrically connected with the power supply module; the power-up conduction block 212 and the power-down conduction block 214 are both electrically connected with the power module 402; the PLC 401 is also electrically connected with an electromagnetic valve; the electromagnetic valve is connected with the positioning cylinder 207 through a pipeline; the positioning cylinder 207 drives the electrode clamp 209 to move downwards along the pin, the electrode clamp 209 drives the upper electric conduction block 212 and the upper adjusting conduction block 213 to move downwards, and a product is fixed between the upper adjusting conduction block 213 and the upper adjusting conduction block 215, so that the product is fixed and locally heated; when the upper adjusting conducting block 213 and the upper adjusting conducting block 215 are worn, the upper adjusting conducting block 213 and the upper adjusting conducting block 215 are adjusted along the electrode clamp 209 and the positioning base 208 by rotating the adjusting screw 216, so that the upper adjusting conducting block 213 and the upper adjusting conducting block 215 can be adjusted conveniently.
Referring to fig. 3, the product positioning assembly 202 includes an insulating plate 217 mounted on the fixing bracket 1 and product positioning blocks 218 symmetrically mounted on the insulating plate 217; positioning grooves 219 are formed in the product positioning blocks 218; a positioning block adjusting groove 220 is further formed in the insulating plate 217; through the arrangement of the positioning groove 219 on the product positioning block 218, the positioning groove 219 is used for positioning the product, so that the product is conveniently positioned; through the arrangement of the positioning block adjustment groove 220, the product positioning block 218 is adjusted along the positioning block adjustment groove 220, thereby facilitating adjustment of the heat treatment area of the product.
Referring to fig. 1, the infrared temperature detecting device 3 includes an infrared sensor 301 and a temperature display panel 302 mounted on the fixing bracket 1; the infrared sensor 301 is connected with the temperature display panel 302; carry out real-time control and give temperature display panel 302 with temperature real-time transmission through infrared inductor 301 to the temperature of product heating part, show on temperature display panel 302 to be convenient for carry out real-time control to the temperature of product heating part.
The using process of the invention comprises the steps of firstly adjusting the fixed bottom plate 206 through the fixed bottom plate adjusting groove 102 on the insulating bottom plate 101 to adjust the distance to the area needing heat treatment of the product, fixing the product through a bolt, simultaneously adjusting the same distance of the product positioning block 215 on the insulating plate 214 corresponding to the fixed bottom plate 206 through the positioning block adjusting groove 220, fixing the product through the bolt, then placing the product on the lower adjusting conducting block 215 and the insulating plate 101, limiting the product through the positioning groove 219 on the product positioning block 215, then pressing or treading the switch, sending the information to the PLC controller 401 through the switch, controlling the positioning cylinder 207 through the solenoid valve by the PLC controller 401 to drive the electrode clamp 209 to move downwards along the pin between the fixed base 206 and the electrode clamp 209, driving the upper adjusting conducting block 212 and the upper adjusting conducting block 213 to move downwards through the electrode clamp 209 to be connected with the lower adjusting conducting block 215, fixing a product between an upper adjusting conduction block 213 and a lower adjusting conduction block 215, continuously electrifying an upper electrifying conduction block 212 and a lower electrifying conduction block 214 through a power module 402, heating the product by the upper adjusting conduction block 213 and the lower adjusting conduction block 215, simultaneously monitoring the heat treatment part of the product by an infrared sensor 301 in real time, conveying the detected temperature to a temperature display panel 302, displaying the temperature on the temperature display panel 302, controlling a positioning cylinder 207 by a PLC (programmable logic controller) through an electromagnetic valve to drive an electrode clamp 209 to move upwards along a pin between a fixed base 206 and the electrode clamp 209 after the heat treatment time is up, driving the upper electrifying conduction block 212 and the upper adjusting conduction block 213 to move upwards by the electrode clamp 209, and then taking the product which is subjected to heat treatment and replacing a new product for heat treatment.
Example 2
Referring to fig. 5, in this embodiment, compared with embodiment 1, in this embodiment, the fixing bases of the left positioning component 204 and the right positioning component 205 are both connected with an adjusting component 5; the adjusting assembly 5 comprises an adjusting cylinder 501 arranged on the fixed bracket 1 and an adjusting rod 502 arranged on the adjusting cylinder 501; the adjusting rod 502 is fixedly connected with the fixed base 206; the adjusting cylinder drives the adjusting rod to move, the adjusting rod drives the fixing base to adjust, and manual work is replaced to adjust the distance between the left positioning assembly 204 and the right positioning assembly 205, so that workers can adjust the left positioning assembly 204 and the right positioning assembly 205 conveniently.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. A local heat treatment device for alloy spring steel welding products comprises a fixed support (1) and an electric cabinet (4) arranged on the fixed support (1); the device is characterized in that a spring heating and positioning tool (2) and an infrared temperature detection device (3) are arranged on a fixed support (1); the spring heating positioning tool (2) comprises a positioning mechanism (201) arranged on the fixed support (1) and a heat treatment assembly (203) arranged on the positioning mechanism (201); the positioning mechanism (201) comprises a left positioning component (204), a right positioning component (205) and a product positioning component (202) which are arranged on the fixed support (1); the heat treatment assembly (203) is arranged on a left positioning assembly (204) and a right positioning assembly (205) of the positioning mechanism (201).
2. The apparatus for localized heat treatment of a welded product of alloy spring steel according to claim 1, wherein: an insulating bottom plate (101) is further mounted on the fixed support (1); the left positioning assembly (204) and the right positioning assembly (205) respectively comprise a fixed base (206) arranged on the insulating base plate (101), a positioning cylinder (207) and a positioning base (208) arranged on the fixed base (206), and an electrode clamp (209) connected with the positioning cylinder (207) and the fixed base plate (206); the insulating bottom plate (101) is also provided with a plurality of fixed bottom plate adjusting grooves (102); the heat treatment assembly (203) is arranged on the electrode clamp (209) and the positioning base (208) and is connected with the electric cabinet (4).
3. The apparatus for localized heat treatment of a welded product of alloy spring steel according to claim 2, wherein; the heat treatment assembly (203) comprises an upper conducting electrode (210) and a lower conducting electrode which are respectively arranged on an electrode clamp (209) connected with the positioning cylinder (207) and a positioning base (208); (211) the upper conducting electrode (210) comprises an upper conducting block (212) which is arranged on the electrode clamp (209) and connected with the electric cabinet (4) and an upper adjusting conducting block (213) which is arranged between the upper conducting block (212) and the motor clamp (209); the lower conducting electrode (211) comprises a lower conducting block (214) which is arranged on the positioning base (208) and connected with the electric cabinet (4) and a lower regulating conducting block (215) which is arranged between the lower conducting block (214) and the positioning base (208); adjusting screws (216) are arranged between the upper adjusting conducting block (213) and the electrode clamp (209) and between the lower adjusting conducting block (215) and the positioning base (208).
4. The apparatus for localized heat treatment of a welded product of alloy spring steel according to claim 3, wherein: a PLC (programmable logic controller) controller (401), a power module (402) electrically connected with the PLC controller (401) and a switch are installed in the electric cabinet (4): the switch is also electrically connected with the power supply module; the power-up conduction block (212) and the power-down conduction block (214) are electrically connected with a power module (402); the PLC controller (401) is also electrically connected with an electromagnetic valve; the electromagnetic valve is connected with the positioning cylinder (207) through a pipeline.
5. The apparatus for localized heat treatment of a welded product of alloy spring steel according to claim 1, wherein; the product positioning assembly (202) comprises an insulating plate (217) arranged on the fixed support (1) and product positioning blocks (218) symmetrically arranged on the insulating plate (217); positioning grooves (219) are formed in the product positioning blocks (218); and a positioning block adjusting groove (220) is also formed in the insulating plate (217).
6. The apparatus for localized heat treatment of a welded product of alloy spring steel according to claim 1, wherein; the infrared temperature detection device (3) comprises an infrared sensor (301) and a temperature display panel (302) which are arranged on the fixed support (1); the infrared sensor (301) is connected with the temperature display panel (302).
7. The apparatus for localized heat treatment of a welded product of alloy spring steel according to claim 2, wherein; the fixed bases (206) of the left positioning component (204) and the right positioning component (205) are both connected with an adjusting component (5); the adjusting assembly (5) comprises an adjusting cylinder (501) arranged on the fixed support (1) and an adjusting rod (502) arranged on the adjusting cylinder (501); the adjusting rod (502) is fixedly connected with the fixed base (206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210620267.5A CN115044763A (en) | 2022-06-02 | 2022-06-02 | Local heat treatment equipment for alloy spring steel welding product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210620267.5A CN115044763A (en) | 2022-06-02 | 2022-06-02 | Local heat treatment equipment for alloy spring steel welding product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115044763A true CN115044763A (en) | 2022-09-13 |
Family
ID=83159264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210620267.5A Pending CN115044763A (en) | 2022-06-02 | 2022-06-02 | Local heat treatment equipment for alloy spring steel welding product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115044763A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56112423A (en) * | 1980-02-07 | 1981-09-04 | Hakusan Seisakusho:Kk | Automatic annealing apparatus |
| CN1789440A (en) * | 2005-11-30 | 2006-06-21 | 李德锵 | Spring heat treatment mechanism of full automatic spring coiling machine |
| KR20090019441A (en) * | 2007-08-21 | 2009-02-25 | 김기술 | Sturd welding politics |
| CN202465782U (en) * | 2012-02-17 | 2012-10-03 | 湖北广兴通信科技有限公司 | Local annealing device for workpiece |
| CN206089742U (en) * | 2016-08-31 | 2017-04-12 | 山东豪迈机械制造有限公司 | A centre gripping frock and solid solution heat treatment device for heating |
| CN208467834U (en) * | 2018-06-13 | 2019-02-05 | 武汉软件工程职业学院(武汉市广播电视大学) | Fixture is used in a kind of machining |
-
2022
- 2022-06-02 CN CN202210620267.5A patent/CN115044763A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56112423A (en) * | 1980-02-07 | 1981-09-04 | Hakusan Seisakusho:Kk | Automatic annealing apparatus |
| CN1789440A (en) * | 2005-11-30 | 2006-06-21 | 李德锵 | Spring heat treatment mechanism of full automatic spring coiling machine |
| KR20090019441A (en) * | 2007-08-21 | 2009-02-25 | 김기술 | Sturd welding politics |
| CN202465782U (en) * | 2012-02-17 | 2012-10-03 | 湖北广兴通信科技有限公司 | Local annealing device for workpiece |
| CN206089742U (en) * | 2016-08-31 | 2017-04-12 | 山东豪迈机械制造有限公司 | A centre gripping frock and solid solution heat treatment device for heating |
| CN208467834U (en) * | 2018-06-13 | 2019-02-05 | 武汉软件工程职业学院(武汉市广播电视大学) | Fixture is used in a kind of machining |
Non-Patent Citations (1)
| Title |
|---|
| 任大成: "《热工实验原理和技术》", 机械工业出版社, pages: 216 - 217 * |
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