CN203003359U - Welding and machining device for extractor hood volute - Google Patents

Welding and machining device for extractor hood volute Download PDF

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Publication number
CN203003359U
CN203003359U CN 201220631323 CN201220631323U CN203003359U CN 203003359 U CN203003359 U CN 203003359U CN 201220631323 CN201220631323 CN 201220631323 CN 201220631323 U CN201220631323 U CN 201220631323U CN 203003359 U CN203003359 U CN 203003359U
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CN
China
Prior art keywords
welding
plate
board
coaming plate
base
Prior art date
Application number
CN 201220631323
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Chinese (zh)
Inventor
田辉
黄良志
张海峰
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芜湖美的厨卫电器制造有限公司
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Priority to CN 201220631323 priority Critical patent/CN203003359U/en
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Publication of CN203003359U publication Critical patent/CN203003359U/en

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Abstract

The utility model discloses a welding and machining device for an extractor hood volute. The volute comprises an enclosing plate, a top plate, a bottom plate and a flange board; the welding and machining device comprises a welding robot, a top plate welding tooling, a bottom plate welding tooling and a flange board welding tooling; on the top plate welding tooling, the top plate is welded with the enclosing plate through the welding robot; on the bottom welding tooling, the bottom plate is welded with the enclosing plate through the welding robot; and on the flange board welding tooling, the flange board is welded with the enclosing plate through the welding robot. Compared with the prior art, according to the adoption of the structure that the welding robot and the welding toolings are used together to realize automatic welding of the volute, the interference of human factors is avoided, the volute welding difficulty is reduced, and the welding quality is increased; and besides, the sealing property of the welded volute is good, and the process of dust-scraping or glue-scraping can be omitted, so that the welding technology is simplified and the welding efficiency is increased.

Description

A kind of range hood welding processing equipment

Technical field

The utility model relates to a kind of range hood welding processing equipment.

Background technology

Present range hood industry, the welding procedure of the spiral case of range hood all adopts electric resistance welding spot welding, and working (machining) efficiency is low, and welding quality can't guarantee.Fig. 1 has showed the complexity of worm frame, and whole spiral case basic configuration is irregular circular configuration, and spiral case comprises coaming plate, base plate, top board and flanged plate, because worm frame is complicated, part is many, causes the welding procedure difficulty large, and there is the dead angle phenomenon in snail tongue position, there is flange on top board and base plate, whole sheet metal thickness is: top board and base plate are 0.6mm, and coaming plate is 0.4mm, and sheet material is thinner, cause easy distortion, integral body to increase the difficulty of spiral case welding when welding; And the spacing between artificial electric resistance welding spot welding solder joint is restive, human factor is more, after each parts welding is completed, in order to ensure the sealing property of spiral case, leakage of oil when avoiding using, also need increase and scrape ash or scrape glue process, namely adopt scraping with atomic ash or frictioning dot weld(ing) seam gap, so just increased welding sequence, cause welding sequence many, because the closure of scraping ash or frictioning is bad, having caused the client to use has oil leakage phenomenon.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of range hood welding processing equipment, to reach the purpose that improves the spiral case welding quality.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of range hood welding processing equipment, spiral case comprises coaming plate, top board, base plate and flanged plate, described welding processing equipment comprises welding robot, top board welding tooling, base plate welding tooling and flanged plate welding tooling, on the top board welding tooling, welding robot is welded to connect top board and coaming plate, on the base plate welding tooling, welding robot is welded to connect base plate and coaming plate, on the flanged plate welding tooling, welding robot is welded to connect flanged plate and coaming plate.

described top board welding tooling comprises the second base, the second positioning seat, the second top board and a plurality of the second side locating piece, the second positioning seat, the second top board and the second side locating piece are located on the object disposing platform of the second base, the shape of the second positioning seat and the shape of described coaming plate adapt, coaming plate is wrapped in the outside of the second positioning seat, by the second side locating piece of horizontally disposed air cylinder driven outside that circumferentially is distributed in coaming plate along coaming plate, the circular arc that the locating surface of the second side locating piece adapts for the outer circumference surface with coaming plate, and the position of side locating piece arranges and will adapt with the shape of coaming plate, when welding, described top board is placed on the second positioning seat, described second top board that can be moved up and down by air cylinder driven compresses top board above coaming plate.

described base plate welding tooling comprises the 3rd base, the 3rd positioning seat, the 3rd top board and a plurality of the 3rd side locating piece, the 3rd positioning seat, the 3rd top board and the 3rd side locating piece are located on the object disposing platform of the 3rd base, the coaming plate that is connected with described top board is placed on object disposing platform, the 3rd positioning seat is positioned at the inboard of coaming plate, by the 3rd side locating piece of the horizontally disposed air cylinder driven outside that circumferentially is distributed in coaming plate along coaming plate, the circular arc that the locating surface of the 3rd side locating piece adapts for the outer circumference surface with coaming plate, and the position of the 3rd side locating piece arranges and will adapt with the shape of coaming plate, when welding, described base plate is placed on the 3rd positioning seat, described the 3rd top board that can be moved up and down by air cylinder driven compresses base plate above coaming plate.

Described flanged plate welding tooling comprises the 4th base, the 4th side locating piece and side guide, the 4th side locating piece and side guide are located on the object disposing platform of the 4th base side by side, the attitude in horizontal plane is clipped between the 4th side locating piece and side guide with axis when putting to be connected with the coaming plate of top board and base plate, the circular arc that the locating surface of the 4th side locating piece adapts for the outer circumference surface with coaming plate, in when welding, compress described flanged plate on coaming plate by the side guide of horizontally disposed air cylinder driven.

this welding processing equipment also is included in before welding the spiral case positioning tool to the described coaming plate with described top board and base plate pre-installation, this spiral case positioning tool comprises base, the spreading mechanism of umbrella-shaped structure, top board and a plurality of block, spreading mechanism, top board and block are located on the object disposing platform of base, described coaming plate is placed on object disposing platform, block is distributed in the outside of coaming plate and the position of baffle plate arranges and will adapt with the external shape of coaming plate, the inboard that spreading mechanism is positioned at coaming plate struts coaming plate until the outside of coaming plate is attached on baffle plate, described top board is placed on the below of coaming plate, described base plate is placed on the top of coaming plate, the described top board that can be moved up and down by air cylinder driven is positioned at the top of coaming plate, top board is pressed on base plate on coaming plate.

Described spreading mechanism is by vertically being located at air cylinder driven on described object disposing platform and that be positioned at object disposing platform below, and the piston rod of cylinder is connected with being connected to pass with spreading mechanism the hole of top board from object disposing platform.

Described spiral case positioning tool, top board welding tooling, base plate welding tooling and flanged plate welding tooling along the circumferential direction be distributed in welding robot around, welding robot is positioned at the center of circumference, the arm of welding robot can circumferentially rotate around pedestal.

On the welding production line of spiral case, described welding robot is provided with three side by side, the place that begins at production line disposes two described spiral case positioning tools, the place disposes two described top board welding toolings at the First welding robot, dispose two described base plate welding toolings at second welding robot place, dispose two described flanged plate welding toolings at the 3rd welding robot place.

The utility model adopts technique scheme, compared with prior art, by adopting welding robot in conjunction with welding tooling, realize the automatic welding of spiral case, avoided the interference of human factor, reduced the difficulty of spiral case welding, improved welding quality, and the good airproof performance of the spiral case after welding, the operation of scraping ash or frictioning can be cancelled, simplify welding procedure, improved welding efficiency.

Description of drawings

Fig. 1 is the structural representation of range hood;

Fig. 2 is the structural representation of welding processing equipment of the present utility model;

Fig. 3 is the structural representation of top board welding tooling;

Fig. 4 is the structural representation of base plate welding tooling;

Fig. 5 is the structural representation of flanged plate welding tooling;

Mark in above-mentioned figure is: 1, coaming plate; 2, top board; 3, base plate; 4, flanged plate; 5, welding robot; 6, top board welding tooling; 7, base plate welding tooling; 8, flanged plate welding tooling; 9, the second base; 10, the second top board; 11, the second side locating piece; 12, the second positioning seat; 13, the 3rd base; 14, the 3rd top board; 15, the 3rd side locating piece; 16, the 3rd positioning seat; 17, the 4th base; 18, the 4th side locating piece; 19, side guide.

The specific embodiment

Be illustrated in figure 1 as the spiral case of range hood, it comprises coaming plate 1, top board 2, base plate 3 and flanged plate 4, and top board 2 and base plate 3 are welded on the both sides of coaming plate 1, and flanged plate 4 is welded on the opening part that forms after top board 2, base plate 3 and coaming plate 1 welding.as shown in Figure 2, a kind of welding processing equipment of range hood, it comprises welding robot 5, top board welding tooling 6, base plate welding tooling 7 and flanged plate welding tooling 8, welding robot 5 can weld automatically, on top board welding tooling 6, can carry out clamping and positioning to coaming plate 1, and top board 2 is pressed on coaming plate 1, welding robot 5 is welded to connect top board 2 and coaming plate 1, on base plate welding tooling 7, also can carry out clamping and positioning to coaming plate 1, and base plate 3 is pressed on coaming plate 1, welding robot 5 is welded to connect base plate 3 and coaming plate 1, at last on flanged plate welding tooling 8, welding robot 5 is welded to connect flanged plate 4 and coaming plate 1.

As shown in Figure 2, top board welding tooling 6, base plate welding tooling 7 and flanged plate welding tooling 8 along the circumferential direction be distributed in welding robot 5 around, welding robot 5 is positioned at the center of circumference, the arm of welding robot 5 can be done circumferentially to rotate around pedestal, successively top board 2, base plate 3 and flanged plate 4 is welded on coaming plate 1.Adopt this layout, each frock is centered around around welding robot 5, and Whole Equipment takes up room little, and the spiral case part is short in the transhipment time of each tool part, has improved welding efficiency.

As shown in Figure 3, top board welding tooling 6 comprises that the second base 9, the second positioning seat 12, the second top board 10 and three the second side locating piece 11, the second positioning seats 12, the second top board 10 and the second side locating pieces 11 are located on the object disposing platform of the second base 9.the shape of the shape of the second positioning seat 12 and coaming plate 1 adapts, it is also irregular circular configuration, coaming plate 1 is wrapped in the outside of the second positioning seat 12, by the second side locating piece 11 of horizontally disposed air cylinder driven outside that circumferentially is distributed in coaming plate 1 along coaming plate 1, the circular arc that the locating surface of the second side locating piece 11 adapts for the outer circumference surface with coaming plate 1, and the position of side locating piece arranges and will adapt with the shape of coaming plate 1, the second positioning seat 12 matches with the second side locating piece 11, when welding, the second side locating piece 11 moves towards the second positioning seat 12 under the effect of cylinder, coaming plate 1 is pressed on the second positioning seat 12, realize the clamping and positioning of coaming plate 1.The shape of the second top board 10 is roughly discoid, roughly suitable with the size of top board 2, the second top board 10 and being moved up and down by the air cylinder driven that vertically is arranged on coaming plate 1 top, this cylinder is fixed on gripper shoe on object disposing platform, when welding, the second positioning seat 12 forms the support to top board 2 below top board 2, and the second top board 10 compresses top board 2 above coaming plate 1, realize the clamping and positioning of top board 2, can operate welding robot 5 top board 2 is welded on coaming plate 1 this moment.

As shown in Figure 4, base plate welding tooling 7 comprises that the 3rd base 13, the 3rd positioning seat 16, the 3rd top board 14 and a plurality of the 3rd side locating piece 15, the three positioning seats 16, the 3rd top board 14 and the 3rd side locating piece 15 are located on the object disposing platform of the 3rd base 13.The second positioning seat 12 matches with the second side locating piece 11, the coaming plate 1 that is connected with top board 2 is carried out clamping and positioning, the 3rd positioning seat 16 is positioned at the inboard of coaming plate 1, the 3rd positioning seat 16 is connected to form by two disks in up and down, the diameter of the through hole on the disk diameter of the 3rd positioning seat 16 and top board 2 is identical, when laying coaming plate 1, top board 2 is enclosed within on the 3rd positioning seat 16, to guarantee the reliable location of coaming plate 1.By the 3rd side locating piece 15 of the horizontally disposed air cylinder driven outside that circumferentially is distributed in coaming plate 1 along coaming plate 1, the circular arc that the locating surface of the 3rd side locating piece 15 adapts for the outer circumference surface with coaming plate 1, and the position of the 3rd side locating piece 15 arranges and will adapt with the shape of coaming plate 1, when welding, the 3rd side locating piece 15 moves towards the 3rd positioning seat 16 under the effect of horizontal air cylinder, coaming plate 1 is pressed on the 3rd positioning seat 16, realizes the clamping and positioning of coaming plate 1.The shape of the 3rd top board 14 is roughly discoid, roughly suitable with the size of base plate 3, the 3rd top board 14 and being moved up and down by the air cylinder driven that vertically is arranged on coaming plate 1 top, this cylinder is fixed on gripper shoe on object disposing platform, when welding, the 3rd positioning seat 16 forms the support to base plate 3 below base plate 3, and the 3rd top board 14 also compresses base plate 3 above coaming plate 1, realize the clamping and positioning of base plate 3, can operate welding robot 5 base plate 3 is welded on coaming plate 1 this moment.

as shown in Figure 5, flanged plate welding tooling 8 comprises the 4th base 17, the 4th side locating piece 18 and side guide 19, the 4th side locating piece 18 and side guide 19 are located on the object disposing platform of the 4th base 17 side by side, the attitude in horizontal plane is clipped between the 4th side locating piece 18 and side guide 19 with axis when putting to be welded with the coaming plate 1 of top board 2 and base plate 3, side guide 19 is by horizontally disposed air cylinder driven, this cylinder is fixed on gripper shoe on object disposing platform, the 4th side locating piece 18 is located on another piece gripper shoe of object disposing platform, the circular arc that the locating surface of the 4th side locating piece 18 adapts for the outer circumference surface with coaming plate 1, and its axis is parallel with the axis of coaming plate 1.In when welding, on coaming plate 1, the 4th side locating piece 18 and side guide 19 match and realize the clamping and positioning of flanged plate 4 by the side guide 19 supported flange plates 4 of horizontally disposed air cylinder driven, and can operate welding robot 5 base plate 3 is welded on coaming plate 1 this moment.

After flanged plate 4 welding are good, namely completed the welding job of whole spiral case.Compared with prior art, this welding processing equipment is by adopting welding robot 5 in conjunction with welding tooling, realize the automatic welding of spiral case, avoid the interference of human factor, reduced the difficulty of spiral case welding, improved welding quality, and the good airproof performance of the spiral case after welding, can cancel the operation of scraping ash or frictioning, simplify welding procedure, improve welding efficiency.

in addition, this welding processing equipment also is included in welding front top plate 2 and base plate 3 and navigates to spiral case positioning tool on coaming plate 1, to determine the concrete installation site of top board 2 and base plate 3, this spiral case positioning tool and base plate welding tooling 7, top board welding tooling 6 and flanged plate welding tooling 8 be arranged on together welding robot 5 around, it comprises base, the spreading mechanism of umbrella-shaped structure, top board and four blocks, spreading mechanism, top board and block are located on the object disposing platform of base, coaming plate 1 is placed on object disposing platform, top board 2 is placed on object disposing platform and is positioned at the below of coaming plate 1, base plate 3 is placed on the top of coaming plate 1.Spreading mechanism is positioned at the inside of coaming plate 1, spreading mechanism is by vertically being located at air cylinder driven on object disposing platform and that be positioned at the object disposing platform below, the piston rod of this cylinder passes with spreading mechanism from object disposing platform and hole that top board is connected and is connected, block is distributed in the outside of coaming plate 1 and the position of baffle plate arranges and will adapt with the external shape of coaming plate 1, and the push pedal on spreading mechanism matches with baffle plate, and traveling priority struts coaming plate 1 until the outside of coaming plate 1 is attached on baffle plate under the effect of cylinder.The shape of top board is roughly discoid, roughly suitable with the size of base plate 3, top board and being moved up and down by the air cylinder driven that vertically is arranged on coaming plate 1 top, this cylinder is fixed on gripper shoe on object disposing platform, the top of spreading mechanism and the support of formation to base plate 3 below base plate 3, top board is pressed on base plate 3 on spreading mechanism above coaming plate 1, the clamping and positioning that finally realizes base plate 3, top board 2 and coaming plate 1 with top board 2 and base plate 3 pre-installations on coaming plate 1, be convenient to follow-up welding operation, and can make coaming plate 1 strut moulding fully.

on the welding production line of spiral case, in order to form streamline production, further improve welding efficiency, can reset welding robot 5, the spiral case positioning tool, top board welding tooling 6, the position of base plate welding tooling 7 and flanged plate welding tooling 8 and number, as welding robot 5 can be arranged side by side three, production line begin the place can configure two spiral case positioning tools, 5 places can configure two top board welding toolings 6 at the First welding robot, can configure two base plate welding toolings 7 at second welding robot 5 place, can configure two flanged plate welding toolings 8 at the 3rd welding robot 5 places.

Above-mentioned each frock can also adopt other structure except adopting above-mentioned structure, as long as can form, the good clamping and positioning of each parts of spiral case all can.

The above is exemplarily described the utility model by reference to the accompanying drawings; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.

Claims (8)

1. range hood welding processing equipment, spiral case comprises coaming plate, top board, base plate and flanged plate, it is characterized in that: described welding processing equipment comprises welding robot, top board welding tooling, base plate welding tooling and flanged plate welding tooling, on the top board welding tooling, welding robot is welded to connect top board and coaming plate, on the base plate welding tooling, welding robot is welded to connect base plate and coaming plate, on the flanged plate welding tooling, welding robot is welded to connect flanged plate and coaming plate.
2. range hood welding processing equipment according to claim 1, it is characterized in that: described top board welding tooling comprises the second base, the second positioning seat, the second top board and a plurality of the second side locating piece, the second positioning seat, the second top board and the second side locating piece are located on the object disposing platform of the second base, the shape of the second positioning seat and the shape of described coaming plate adapt, coaming plate is wrapped in the outside of the second positioning seat, by the second side locating piece of horizontally disposed air cylinder driven outside that circumferentially is distributed in coaming plate along coaming plate, the circular arc that the locating surface of the second side locating piece adapts for the outer circumference surface with coaming plate, when welding, described top board is placed on the second positioning seat, described second top board that can be moved up and down by air cylinder driven compresses top board above coaming plate.
3. range hood welding processing equipment according to claim 2, it is characterized in that: described base plate welding tooling comprises the 3rd base, the 3rd positioning seat, the 3rd top board and a plurality of the 3rd side locating piece, the 3rd positioning seat, the 3rd top board and the 3rd side locating piece are located on the object disposing platform of the 3rd base, the coaming plate that is connected with described top board is placed on object disposing platform, the 3rd positioning seat is positioned at the inboard of coaming plate, by the 3rd side locating piece of the horizontally disposed air cylinder driven outside that circumferentially is distributed in coaming plate along coaming plate, the circular arc that the locating surface of the 3rd side locating piece adapts for the outer circumference surface with coaming plate, when welding, described base plate is placed on the 3rd positioning seat, described the 3rd top board that can be moved up and down by air cylinder driven compresses base plate above coaming plate.
4. range hood welding processing equipment according to claim 3, it is characterized in that: described flanged plate welding tooling comprises the 4th base, the 4th side locating piece and side guide, the 4th side locating piece and side guide are located on the object disposing platform of the 4th base side by side, the attitude in horizontal plane is clipped between the 4th side locating piece and side guide with axis when putting to be connected with the coaming plate of top board and base plate, the circular arc that the locating surface of the 4th side locating piece adapts for the outer circumference surface with coaming plate, when welding, side guide by horizontally disposed air cylinder driven compresses described flanged plate on coaming plate.
5. according to claim 1 and 2 or 3 or 4 described range hood welding processing equipment, it is characterized in that: also be included in the spiral case positioning tool that described top board and base plate is positioned at before welding on described coaming plate, this spiral case positioning tool comprises base, the spreading mechanism of umbrella-shaped structure, top board and a plurality of block, spreading mechanism, top board and block are located on the object disposing platform of base, described coaming plate is placed on object disposing platform, block is distributed in the outside of coaming plate and the position of baffle plate arranges and will adapt with the external shape of coaming plate, the inboard that spreading mechanism is positioned at coaming plate struts coaming plate until the outside of coaming plate is attached on baffle plate, described top board is placed on the below of coaming plate, described base plate is placed on the top of coaming plate, the described top board that can be moved up and down by air cylinder driven is positioned at the top of coaming plate, top board is pressed on base plate on coaming plate.
6. range hood welding processing equipment according to claim 5, it is characterized in that: described spreading mechanism is by vertically being located at air cylinder driven on described object disposing platform and that be positioned at object disposing platform below, and the piston rod of cylinder is connected with being connected to pass with spreading mechanism the hole of top board from object disposing platform.
7. range hood welding processing equipment according to claim 6, it is characterized in that: described spiral case positioning tool, top board welding tooling, base plate welding tooling and flanged plate welding tooling along the circumferential direction be distributed in welding robot around, welding robot is positioned at the center of circumference, and the arm of welding robot can circumferentially rotate around pedestal.
8. range hood welding processing equipment according to claim 6, it is characterized in that: on the welding production line of spiral case, described welding robot is provided with three side by side, the place that begins at production line disposes two described spiral case positioning tools, the place disposes two described top board welding toolings at the First welding robot, dispose two described base plate welding toolings at second welding robot place, dispose two described flanged plate welding toolings at the 3rd welding robot place.
CN 201220631323 2012-11-26 2012-11-26 Welding and machining device for extractor hood volute CN203003359U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220631323 CN203003359U (en) 2012-11-26 2012-11-26 Welding and machining device for extractor hood volute

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220631323 CN203003359U (en) 2012-11-26 2012-11-26 Welding and machining device for extractor hood volute

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103028831A (en) * 2012-11-26 2013-04-10 芜湖美的厨卫电器制造有限公司 Welding processing device and welding method of extractor hood volute
CN103311643A (en) * 2013-06-25 2013-09-18 成都网动光电子技术股份有限公司 Radio frequency receiver head positioning device
CN103350348A (en) * 2013-07-05 2013-10-16 浙江惠创风机有限公司 Spiral-case forming machine
CN104646885A (en) * 2013-11-20 2015-05-27 铜陵市大成轧辊有限责任公司 Flange fixing device for welding flange
CN105033544A (en) * 2015-08-03 2015-11-11 湖州美胜机械有限公司 Welding jig for small four-way part of harvester
CN106271776A (en) * 2016-09-20 2017-01-04 河南理工大学 For processing three station pneumatic positioning clamping devices of housing part
CN106271777A (en) * 2016-09-20 2017-01-04 河南理工大学 Multistation fast pneumatic location clamping tool
CN106881552A (en) * 2017-04-12 2017-06-23 广州创研自动化设备有限公司 A kind of detent mechanism for the welding of smoke exhaust ventilator air channel

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103028831A (en) * 2012-11-26 2013-04-10 芜湖美的厨卫电器制造有限公司 Welding processing device and welding method of extractor hood volute
CN103028831B (en) * 2012-11-26 2015-03-11 芜湖美的厨卫电器制造有限公司 Welding processing device and welding method of extractor hood volute
CN103311643A (en) * 2013-06-25 2013-09-18 成都网动光电子技术股份有限公司 Radio frequency receiver head positioning device
CN103350348A (en) * 2013-07-05 2013-10-16 浙江惠创风机有限公司 Spiral-case forming machine
CN103350348B (en) * 2013-07-05 2015-11-18 浙江惠创风机有限公司 A kind of spiral case forming machine
CN104646885A (en) * 2013-11-20 2015-05-27 铜陵市大成轧辊有限责任公司 Flange fixing device for welding flange
CN105033544A (en) * 2015-08-03 2015-11-11 湖州美胜机械有限公司 Welding jig for small four-way part of harvester
CN106271776A (en) * 2016-09-20 2017-01-04 河南理工大学 For processing three station pneumatic positioning clamping devices of housing part
CN106271777A (en) * 2016-09-20 2017-01-04 河南理工大学 Multistation fast pneumatic location clamping tool
CN106271776B (en) * 2016-09-20 2018-04-13 河南理工大学 For processing three station pneumatic positioning clamping devices of housing part
CN106271777B (en) * 2016-09-20 2018-04-24 河南理工大学 Multistation fast pneumatic positions clamping tool
CN106881552A (en) * 2017-04-12 2017-06-23 广州创研自动化设备有限公司 A kind of detent mechanism for the welding of smoke exhaust ventilator air channel

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Granted publication date: 20130619

Effective date of abandoning: 20150311