CN107537941A - A kind of electric EGR valve motor rear cover seaming tool - Google Patents
A kind of electric EGR valve motor rear cover seaming tool Download PDFInfo
- Publication number
- CN107537941A CN107537941A CN201711017821.6A CN201711017821A CN107537941A CN 107537941 A CN107537941 A CN 107537941A CN 201711017821 A CN201711017821 A CN 201711017821A CN 107537941 A CN107537941 A CN 107537941A
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- China
- Prior art keywords
- mould
- rear cover
- motor rear
- die
- motor
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of electric EGR valve motor rear cover seaming tool, including part of the lower die and part of the upper die, it is located by connecting between part of the lower die and part of the upper die by guide pillars and bushes；The middle and lower part center of the part of the lower die is provided with for improving the pre-tightening mechanism of its sealing and bonding strength to motor rear cover and the certain pretightning force of motor cabinet before motor rear cover closes up；It is additionally provided between the part of the lower die and part of the upper die for remaining that the clamp system of left and right skew does not occur for motor cabinet during being closed up in motor rear cover.Compact-sized, ingenious in design, convenient disassembly of the invention, under the collective effect of pre-tightening mechanism and clamp system, accurately realizes the closing in operation of motor rear cover, and the product assembled is more accurate, and the qualification rate of product greatly improved.
Description
Technical field
The present invention relates to technical field of tooling clamps, particularly a kind of electric EGR valve motor rear cover seaming tool.
Background technology
EGR valve is the modular unit of core in egr system, is used in EGR exhaust recirculating system, passes through pulsewidth modulation
Signal (PWM) accurately controls, and tackles in tightened up emission request.At present electric EGR valve, generally need motor
Convert rotational motion is the linear motion of valve switch, and in the conversion process of both motion, the stability of motor plays pass
The effect of key.
EGR valve is that motor is inserted into two pin holes of motor housing by two contact pins of both positive and negative polarity, and motor gear and three
Transition gear is meshed, and then three transition gears are meshed with the reduction gearing in reduction box, in the case of such assembling
After electrical power, power is transferred to transition gear by motor, then through the rotation by reduction box motor after reduction gearing is slowed down
Transhipment is dynamic to be transferred out.The motor of the EGR valve electric-controlled mechanical unit complicated as one is driven, to performance and life requirement pole
Height, worked under the enging cabin environment of complexity, any small deviation may all have influence on recycle gas flow rate, cause automobile
Tail gas is not up to standard, or even influences engine performance.
Assembly method between existing motor rear cover and motor is that motor rear cover is carried out into riveting with electric machine casing to fix.
But the Tool clamp structure complexity volume is big, motor rear cover discontinuity in riveting, product appearance after riveting by
Influence so that in general frock clamp can not realize the closing in operation to EGR valve motor rear cover, so a kind of accurate electricity of exploitation
Dynamic EGR valve motor rear cover seaming tool is particularly important.
The content of the invention
The technical problem to be solved in the invention there is provided a kind of electric EGR valve motor rear cover seaming tool, to solve
The closing in operation assembling of motor rear cover is not accurate enough, the problem of causing vehicle exhaust not up to standard, is made with improving motor rear cover and closing up
The assembly precision of industry, reduce assembling deviation, greatly improve product qualification rate.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of electric EGR valve motor rear cover seaming tool, including part of the lower die and part of the upper die, part of the lower die and upper mold portion
/ be located by connecting by guide pillars and bushes；The middle and lower part center of the part of the lower die is provided with motor rear cover
To motor rear cover and the certain pretightning force of motor cabinet to improve the pre-tightening mechanism of its sealing and bonding strength before closing up；The lower mould
It is additionally provided between part and part of the upper die for remaining that left and right does not occur for motor cabinet partially during motor rear cover closing in
The clamp system of shifting.
Further optimisation technique scheme, the part of the lower die include lower mould bottom plate, are fixedly connected with lower mould bottom plate upper surface
Lower mould and the cushion block of left and right two that is connected by screw with lower mould bottom plate bottom face；Offered in the lower mould for accommodating
The inverted T shaped drag chamber of motor cabinet and pre-tightening mechanism, lower die guiding post mounting hole, lower mould are offered positioned at drag chamber left and right ends
Top offers the chute for accommodating clamp system.
Further optimisation technique scheme, the pre-tightening mechanism, which includes being fixedly installed on lower mould bottom plate bottom face, is located at two
Cylinder c between cushion block, cylinder c tailpiece of the piston rod are fixedly connected with to be fixedly connected positioned at drag intracavitary and top with motor cabinet
Locating piece.
Further optimisation technique scheme, the part of the upper die include upper-mould top and are fixedly connected on upper mould by screw
Upper mould on top plate lower surface；The upper model cavity for being used to accommodate motor rear cover corresponding with drag chamber is offered in the upper mould
And upper mould guideing pillar mounting hole positioned at upper model cavity left and right ends and corresponding with lower die guiding post mounting hole in lower mould.
Further optimisation technique scheme, the clamp system are included in chute for the middle and upper part of motor cabinet is firm
The left mould and right mould of clamping；Cylinder a and cylinder b, left mould and right mould are threaded with respectively on the left of the left mould and on the right side of right mould
Middle part offers the guide pin bushing mounting hole corresponding with lower die guiding post mounting hole and upper mould guideing pillar mounting hole.
It is as follows as a result of above technical scheme, the invention technological progress.
Compact-sized, ingenious in design, convenient disassembly of the invention, under the collective effect of pre-tightening mechanism and clamp system, essence
The closing in operation of motor rear cover really is realized, the product assembled is more accurate, and the qualification rate of product greatly improved.
The present invention is first certain to motor rear cover and motor cabinet by the cylinder c in pre-tightening mechanism before motor rear cover closes up
Precompression, good with motor cabinet contact between motor rear cover is ensure that, then the descending thrust for overcoming cylinder c of hydraulic press continues
Push and closed up so that motor rear cover remains impaction state with motor cabinet during whole push, so as to improve
Sealing between the two and bonding strength.
Cylinder c is when be lifted up motor cabinet progress pretension operation and descending in hydraulic press in pre-tightening mechanism of the present invention
When carrying out closing in operation, clamp system can effectively prevent the left and right deflection of motor cabinet, avoid and occur in operation process
Deviation so that assemble come product it is more accurate, the qualification rate of product greatly improved.
Part of the upper die, part of the lower die, clamping mechanism and pre-tightening mechanism are separated setting in the present invention, and in various pieces
It is connected through a screw thread between each component or pin connection, dismounting assembling is very convenient.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the cross-sectional view of the present invention.
Wherein：1st, cushion block, 2, lower mould bottom plate, 3, lower mould, 4, left mould, 5, right mould, 6, cylinder a, 7, cylinder b, 8, guide pin bushing, 9,
Guide pillar, 10, upper mould, 11, upper-mould top, 12, cylinder c, 13, locating piece, 14, drag chamber, 15, motor cabinet, 16, after motor
Lid, 17, upper model cavity, 18, chute.
Embodiment
Below in conjunction with specific embodiment, the present invention will be described in further detail.
A kind of electric EGR valve motor rear cover seaming tool, with reference to shown in Fig. 1 to Fig. 2, including part of the lower die, part of the upper die,
Pre-tightening mechanism and clamp system.It is located by connecting between part of the lower die and part of the upper die by guide pillar 9 and guide pin bushing 8；Pre-tightening mechanism is set
Put in part of the lower die middle and lower part center, for giving motor rear cover 16 and 15 certain pretension of motor cabinet before motor rear cover closes up
Power, to improve its sealing and bonding strength；Clamp system is arranged between part of the lower die and part of the upper die, for after motor
Lid remains that position is constant on the vertical direction of motor cabinet 15 during closing up so that left and right skew does not occur for motor cabinet 15.
Part of the lower die includes lower mould bottom plate 2, lower mould 3, cushion block 1, drag chamber 14 and lower die guiding post mounting hole.Lower mould 3 with
The upper surface of lower mould bottom plate 2 is fixedly connected, and the lower top of mould 3 offers chute 18, and chute 18 is used to accommodate clamp system；Left and right two
Cushion block 1 is connected by screw with the bottom face of lower mould bottom plate 2, overall for support meanss；Drag chamber 14 is opened in lower mould 3,
Be shaped as it is inverted T shaped, for accommodating motor cabinet 15 and pre-tightening mechanism；Two lower die guiding post mounting hole sites are in drag chamber 14 or so two
End, for placing guide pillar 9.
Part of the upper die includes upper-mould top 11, upper mould 10, upper model cavity 17 and upper mould guideing pillar mounting hole.Upper mould 10 passes through spiral shell
Nail is fixedly connected on the lower surface of upper-mould top 11；Upper model cavity 17 is opened in mould, corresponding with drag chamber 14, is used for
Accommodate motor rear cover 16；Two upper mould guideing pillar mounting holes be located at the upper left and right ends of model cavity 17 and with lower die guiding post in lower mould 3
Mounting hole is corresponding, for placing guide pillar 9.
Pre-tightening mechanism includes cylinder c12 and locating piece 13.Cylinder c12 is fixedly installed on the bottom face of lower mould bottom plate 2, is located at
Between two cushion blocks 1, for providing pretightning force before motor rear cover closes up；Locating piece 13 is arranged at bottom in drag chamber 14,
Cylinder c12 tailpiece of the piston rod is fixedly connected on, its top is fixedly connected with motor cabinet 15.
Clamp system includes left mould 4, right mould 5, cylinder a6, cylinder b7 and guide pin bushing mounting hole.Under left mould 4 and right mould 5 are located at
Between mould 3 and upper mould 10, it is arranged in chute 18, the right side of left mould 4 and the left upper portion position of right mould 5 are disposed as and motor rear cover 16
The shape to match, the right side of left mould 4 and the left side middle and lower part position of right mould 5 are in contact with motor cabinet 15, for gentle in cylinder a6
The middle and upper part of motor cabinet 15 is firmly clamped under cylinder b7 driving effects, screwed hole is offered in left mould 4 and right mould 5；Cylinder a6
It is respectively arranged at cylinder b7 on the right side of the left side of left mould 4 and right mould 5, cylinder a6 and cylinder b7 tailpiece of the piston rod are respectively arranged with and a left side
The external screw thread that mould 4 and the upper screwed hole of right mould 5 match；Two guide pin bushing mounting holes are opened in left mould 4 and the middle part of right mould 5, with
Mould guideing pillar mounting hole and upper mould guideing pillar mounting hole are corresponding.
The present invention is as follows in the specific job step for carrying out motor rear cover closing in work.
First, motor cabinet 15 is put into drag chamber 14, and the bottom of motor cabinet 15 is fixedly connected with locating piece 13, will
Motor rear cover 16 loads in upper model cavity 17.
Secondly, cylinder a6 and cylinder b7 piston rod head are threadedly coupled to the screwed hole of left mould 4 and right mould 5 respectively
Interior, cylinder a6 and cylinder b7 inflations, its piston rod drive left mould 4 and right mould 5 to be drawn close along chute 18 to center, work as cylinder respectively
When a6 and cylinder b7 piston rod reach range, left mould 4 and right mould 5 can just to the held tight of motor cabinet 15, and this
When guide pin bushing mounting hole it is just corresponding with lower die guiding post mounting hole and upper mould guideing pillar mounting hole.
Then, guide pin bushing 8 is installed in guide pin bushing mounting hole, by guide pillar 9 through guide pin bushing 8 be installed to lower die guiding post mounting hole and
In upper mould guideing pillar mounting hole so that part of the lower die and part of the upper die are stacked together by guide pillar guide pin bushing.
Then, cylinder c12 is inflated, and is lifted under the promotion of cylinder c12 piston rods, on locating piece 13 and is given motor rear cover 16 and electricity
The certain precompression of support 15, ensure that contact good between the two.
Finally, the present apparatus is placed on hydraulic table, hydraulic press is descending overcome cylinder c12 thrust continue under be pressed into
Row closes up so that motor rear cover 16 remains impaction state with motor cabinet 15 during whole push, so as to improve two
Sealing and bonding strength between person.
Cylinder c12 be lifted up when motor cabinet 15 carries out pretension operation and in hydraulic press in pre-tightening mechanism of the present invention
Descending when carrying out closing in operation, clamp system can effectively prevent the left and right deflection of motor cabinet, avoid in operation process
The deviation of appearance so that it is more accurate to assemble the product come.
Part of the upper die, part of the lower die, clamping mechanism and pre-tightening mechanism are separated setting in the present invention, and in various pieces
It is connected through a screw thread between each component or pin connection, dismounting assembling is very convenient.
When the specification of motor cabinet changes, it need to only change cylinder a6 and cylinder b7 left and right installation site so that gas
When cylinder a6 and cylinder b7 piston rods extend, left mould 4 and right mould 5 just clamp motor cabinet middle and upper part.
Claims (5)
- A kind of 1. electric EGR valve motor rear cover seaming tool, it is characterised in that：Including part of the lower die and part of the upper die, lower mold portion Divide and pass through guide pillar between part of the upper die（9）And guide pin bushing（8）It is located by connecting；The middle and lower part center of the part of the lower die is set Have and be used for before motor rear cover closing in motor rear cover（16）With motor cabinet（15）Certain pretightning force is to improve its sealing and company Connect the pre-tightening mechanism of intensity；It is additionally provided between the part of the lower die and part of the upper die for beginning during motor rear cover closing in Motor cabinet is kept eventually（15）The clamp system of left and right skew does not occur.
- A kind of 2. electric EGR valve motor rear cover seaming tool according to claim 1, it is characterised in that：The lower mold portion Dividing includes lower mould bottom plate（2）With lower mould bottom plate（2）The lower mould that upper surface is fixedly connected（3）And and lower mould bottom plate（2）Bottom face The cushion block of the left and right being connected by screw two（1）；The lower mould（3）Inside offer for accommodating motor cabinet（15）And pre-tightening mechanism Inverted T shaped drag chamber（14）, positioned at drag chamber（14）Left and right ends offer lower die guiding post mounting hole, lower mould（3）Top Offer the chute for accommodating clamp system（18）.
- A kind of 3. electric EGR valve motor rear cover seaming tool according to claim 2, it is characterised in that：The pretightening machine Structure includes being fixedly installed on lower mould bottom plate（2）It is located at two cushion blocks on bottom face（1）Between cylinder c（12）, cylinder c（12）'s Tailpiece of the piston rod is fixedly connected with positioned at drag chamber（14）Interior and top and motor cabinet（15）The locating piece being fixedly connected（13）.
- A kind of 4. electric EGR valve motor rear cover seaming tool according to claim 2, it is characterised in that：The upper mold portion Dividing includes upper-mould top（11）And upper-mould top is fixedly connected on by screw（11）Upper mould on lower surface（10）；On described Offered in mould and drag chamber（14）It is corresponding to be used to accommodate motor rear cover（16）Upper model cavity（17）And positioned at upper mould Die cavity（17）Left and right ends and with lower mould（3）The corresponding upper mould guideing pillar mounting hole of interior lower die guiding post mounting hole.
- A kind of 5. electric EGR valve motor rear cover seaming tool according to claim 4, it is characterised in that：The clamping machine Structure includes being located at chute（18）It is interior to be used for motor cabinet（15）The left mould that firmly clamps of middle and upper part（4）And right mould（5）；The left side Mould（4）Left side and right mould（5）Right side is threaded with cylinder a respectively（6）With cylinder b（7）, left mould（4）And right mould（5）Middle part is equal Offer the guide pin bushing mounting hole corresponding with lower die guiding post mounting hole and upper mould guideing pillar mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711017821.6A CN107537941B (en) | 2017-10-27 | 2017-10-27 | Closing-in tool for motor rear cover of electric EGR valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711017821.6A CN107537941B (en) | 2017-10-27 | 2017-10-27 | Closing-in tool for motor rear cover of electric EGR valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107537941A true CN107537941A (en) | 2018-01-05 |
| CN107537941B CN107537941B (en) | 2023-10-17 |
Family
ID=60968319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711017821.6A Active CN107537941B (en) | 2017-10-27 | 2017-10-27 | Closing-in tool for motor rear cover of electric EGR valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107537941B (en) |
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| CN105375235A (en) * | 2015-12-09 | 2016-03-02 | 广东省自动化研究所 | Automatic wire cutting and pressing machine for flat braided wire |
| CN105720444A (en) * | 2016-02-24 | 2016-06-29 | 苏州正欣泰自动化***有限公司 | Device for automatically installing copper terminal for cables |
| CN106734644A (en) * | 2016-12-22 | 2017-05-31 | 上海机床厂有限公司 | The automatic mounting mechanism of mould on numerical control bender |
| CN206263108U (en) * | 2016-12-13 | 2017-06-20 | 江门市永动力电机有限公司 | A kind of horizontal machine assembles rivet device |
| CN207288655U (en) * | 2017-10-27 | 2018-05-01 | 无锡隆盛科技股份有限公司 | A kind of electric EGR valve motor rear cover seaming tool |
-
2017
- 2017-10-27 CN CN201711017821.6A patent/CN107537941B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202021290U (en) * | 2011-03-12 | 2011-11-02 | 无锡隆盛科技有限公司 | Simple edge-folding riveting device |
| WO2012145781A1 (en) * | 2011-04-29 | 2012-11-01 | Trumpf Maschinen Austria Gmbh & Co. Kg. | Tool holder for press brake |
| CN102527820A (en) * | 2012-01-19 | 2012-07-04 | 宁波久腾车灯电器有限公司 | Aluminum alloy die casting piece trimming die with smooth cut |
| CN202803969U (en) * | 2012-09-08 | 2013-03-20 | 无锡隆盛科技股份有限公司 | Simple necking device capable of quickly adjusting angle |
| CN103272954A (en) * | 2013-06-07 | 2013-09-04 | 无锡隆盛科技股份有限公司 | Snap-pressing device for exhaust brake valve |
| CN104475586A (en) * | 2014-11-29 | 2015-04-01 | 安徽六方重联机械股份有限公司 | Lower die moving type bolt processing die |
| CN105375235A (en) * | 2015-12-09 | 2016-03-02 | 广东省自动化研究所 | Automatic wire cutting and pressing machine for flat braided wire |
| CN105720444A (en) * | 2016-02-24 | 2016-06-29 | 苏州正欣泰自动化***有限公司 | Device for automatically installing copper terminal for cables |
| CN206263108U (en) * | 2016-12-13 | 2017-06-20 | 江门市永动力电机有限公司 | A kind of horizontal machine assembles rivet device |
| CN106734644A (en) * | 2016-12-22 | 2017-05-31 | 上海机床厂有限公司 | The automatic mounting mechanism of mould on numerical control bender |
| CN207288655U (en) * | 2017-10-27 | 2018-05-01 | 无锡隆盛科技股份有限公司 | A kind of electric EGR valve motor rear cover seaming tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107537941B (en) | 2023-10-17 |
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