CN208513930U - A kind of pressing device for being welded at the top of headstock - Google Patents
A kind of pressing device for being welded at the top of headstock Download PDFInfo
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- CN208513930U CN208513930U CN201820803114.3U CN201820803114U CN208513930U CN 208513930 U CN208513930 U CN 208513930U CN 201820803114 U CN201820803114 U CN 201820803114U CN 208513930 U CN208513930 U CN 208513930U
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- headstock
- compression bar
- top plate
- welding
- fixing seat
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Abstract
The utility model relates to vehicle production field more particularly to a kind of pressing devices for welding at the top of headstock.It includes welding frame and the top plate that can go up and down on frame, when top plate is down to the upper-end contact with welding frame, top plate cannot be continued to decline by welding frame limit, top plate is equipped with for positioning the hold-down mechanism at the top of headstock, welding chamber is equipped in welding frame, hold-down mechanism includes cylinder, cylinder is fixed on the upper end of welding frame, the lower end of top plate is equipped with fixing seat, the side wall of fixing seat be equipped with several compression bars and with the one-to-one through-hole of compression bar, compression bar is slidably arranged in corresponding through-hole, top plate is equipped with pilot hole, the piston rod of cylinder is slidably arranged in pilot hole, the lower end of the piston rod of cylinder is equipped with pressing plate, the pressure head for pushing compression bar is downwardly protrude to form in the middle part of pressing plate.The utility model can the top to headstock fast and accurately clamped, and after welding can top Rapid reversal to headstock clamp.
Description
Technical field
The utility model relates to vehicle production field more particularly to a kind of pressing devices for welding at the top of headstock.
Background technique
Electric flatbed tricycle be to storage battery be power, motor be drive haul goods or the means of transport of holding, answer extensively
The short-distance transport field such as keep a public place clean for family, town and country, individual taxi, plant area, mining area, environmental sanitation, community, but its use environment is general
Compare badly, to vehicle frame material, welding process requirement etc. is higher.The headstock of electric flatbed tricycle is mainly by preceding shelves 11, rear shelves 12, seat
Multiple components such as chair bracket 13 are welded, and wherein the top of headstock by the upper end of preceding shelves, the upper end of rear shelves and connects preceding shelves
It is formed with the connecting bracket 14 of rear shelves, whole is in square frame-shaped, and it is tentatively fixed that headstock is usually passed through the locating pieces such as positioning pin in factory
Position headstock, then comprehensive clamping is carried out to it with fixtures such as numerous active grabs, it will be operated one by one when welding every time fast
Fast clamp, process are cumbersome, it is difficult to guarantee position precision after clamping, and headstock welding mostly uses all components all clamping greatly
The mode of primary property integral solder on weld mold, this causes the top of headstock after welding fabrication is more difficult to take from weld mold
Get off, causes welding precision and efficiency relatively low.
204978670 U of Chinese patent Authorization Notice No. CN, authorized announcement date 2016.01.20, a kind of entitled " visitor
Vehicle headstock top structure ", disclose it is a kind of will carry out welded structure as individual module at the top of headstock, but this headstock
Top structure is only applicable to car, the welding not being suitable at the top of electric flatbed tricycle headstock, and this headstock top structure needs
Individually welding, it is difficult to meet the needs of disposable integral solder of headstock in factory.
Utility model content
The purpose of this utility model is to overcome need more clamp when the welding of the top of headstock in the prior art
Position precision is difficult to ensure after positioning and clamping, is difficult to the deficiency taken off from weld mold after welding fabrication at the top of headstock,
It provides a kind of can fast and accurately compress the progress of the top of headstock position, guarantee position precision after compressing, and welds and finish
Afterwards can top Rapid reversal to headstock compress, make headstock from weld mold when its top will not occur with weld mold it is dry
The pressing device for being welded at the top of headstock related to.
To achieve the goals above, the utility model uses following technical scheme:
A kind of pressing device for being welded at the top of headstock, including
Top plate for welding the welding frame of headstock and can go up and down on frame, top plate are located at the top of welding frame,
When top plate is down to the upper-end contact with welding frame, top plate cannot be continued to decline by welding frame limit, and top plate, which is equipped with, to be used
In compressing the hold-down mechanism at the top of headstock, the welding chamber for accommodating headstock is equipped in welding frame；
The hold-down mechanism includes the cylinder for driving top plate to go up and down, and cylinder is fixed on the upper end of welding frame, top plate
Lower end be equipped with fixing seat, the side wall of fixing seat be equipped with several compression bars and with the one-to-one through-hole of compression bar, compression bar sliding sets
It sets in corresponding through-hole, top plate is equipped with the pilot hole passed through for the piston rod of cylinder, and the piston rod of cylinder slides setting
In pilot hole, the lower end of the piston rod of cylinder is equipped with pressing plate, and pressing plate is located at the lower section of top plate, and pressing plate is located in fixing seat, pressure
The pressure head for pushing compression bar is downwardly protrude to form in the middle part of plate.When welding headstock, headstock is placed in welding chamber, weldering is passed through
The fixture connect on frame positions headstock, and wherein the top of headstock is compressed by hold-down mechanism and positioned, specifically, cylinder is transported
Make, piston rod decline also declines, top plate is in gravity as piston rod one is removed with the pressing plate that piston-rod lower end is fixedly connected
Drop, when top plate is down to the upper-end contact with welding frame, top plate cannot be continued to decline by welding frame limit, at this time each compression bar
Designated position is reached, due to being slidably connected between piston rod and top plate, piston rod still can push pressing plate to continue to decline, herein
Pressure head pushes compression bar protruding in the process, disposably to carrying out compression positioning at the top of headstock.After welding, cylinder fortune
Make, piston rod moves up, and pressing plate is first moved up with piston rod at this time, the pressing force between removal compression bar and the top of headstock, this process
Middle top plate remains stationary, and when pressing plate rises to and top plate contact, top plate are then moved up with piston rod, entire hold-down mechanism is lifted
It rises, facilitates and the headstock after welding fabrication is released into lead frame, its top will not be interfered with hold-down mechanism when headstock is released.
Preferably, the lower surface of the pressure head is circular conical surface, compression bar, which is located at one end in fixing seat, to be had and pressure head
The matched guide surface in lower surface, when pressure head moves down and contacts with compression bar, guide surface is bonded with the lower surface of pressure head.Pass through circular cone
Compression bar is smoothly released automatically during declining pressure head, compresses the top of headstock by the cooperation in face and guide surface.
Preferably, the compression bar is equipped with reset spring and spring arch clasp, spring arch clasp is located in fixing seat, resets bullet
The both ends of spring are contacted with the side wall of spring arch clasp and fixing seat respectively.Retraction of the reset spring for compression bar resets, and facilitates compression
Mechanism is lifted.
Corresponding cunning is slidably arranged in the one-to-one slide of compression bar, compression bar preferably, being equipped in the fixing seat
On seat.Slide is more stable when keeping compression bar flexible, also plays a supportive role to compression bar.
Preferably, the upper end of the welding frame is equipped with several guide rods, top plate is equipped with to be corresponded with guide rod
Abdicating through hole, guide rod pass through corresponding abdicating through hole.Guide rod is conducive to the stability of top plate lifting.
Preferably, the compression bar is equipped with retention bead, retention bead is located at the outside of fixing seat.Prevent compression bar excessive
Retraction causes to block pressure head.
The beneficial effects of the utility model are: (1), as soon as need to only decline a movement by piston rod, compression bar can first be down to finger
Positioning postpones again the top that auto-extending compresses headstock, it is accurately positioned, and guarantees the positioning accuracy after headstock compresses；
(2) after headstock welding fabrication, as soon as need to only rise a movement by piston rod, compression bar rises again after capable of first retracting removal pressing force
It lifts, headstock can easily release lead frame, and the top of headstock will not interfere when release.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of headstock；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram at another visual angle of the utility model.
In figure: preceding shelves 11, rear shelves 12, seat support 13, connecting bracket 14, welding frame 2, guide rod 21, welding chamber 22,
Top plate 3, cylinder 31, fixing seat 32, compression bar 33, slide 34, pressing plate 35, pressure head 36, guide surface 37, reset spring 38, Spring Card
Ring 39, retention bead 310.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, a kind of pressing device for being welded at the top of headstock, including
Top plate 3 for welding the welding frame 2 of headstock and can go up and down on frame, top plate are located at the upper of welding frame
Side, the upper end of welding frame are equipped with several guide rods 21, and top plate is equipped with and the one-to-one abdicating through hole of guide rod, guide rod
Across corresponding abdicating through hole, guide rod improves the stability of top plate lifting.When top plate is down to the upper-end contact with welding frame
When, top plate cannot be continued to decline by welding frame limit, and top plate is equipped with for compressing the hold-down mechanism at the top of headstock, and be welded frame
The welding chamber 22 for accommodating headstock is equipped in frame；
The hold-down mechanism includes the cylinder 31 for driving top plate to go up and down, and cylinder is fixed on the upper end of welding frame, is pushed up
The lower end of plate is equipped with fixing seat 32, the side wall of fixing seat be equipped with several compression bars 33 and with the one-to-one through-hole of compression bar, compression bar
It is slidably arranged in corresponding through-hole, the length of each compression bar and locating height are arranged according to specific needs.It is set in fixing seat
Having and is slidably arranged on corresponding slide with the one-to-one slide 34 of compression bar, compression bar, slide is more stable when keeping compression bar flexible,
It plays a supportive role to compression bar.Top plate is equipped with the pilot hole passed through for the piston rod of cylinder, and the piston rod of cylinder slides setting
In pilot hole, the lower end of the piston rod of cylinder is equipped with pressing plate 35, and pressing plate is located at the lower section of top plate, and pressing plate is located in fixing seat.
The pressure head 36 for pushing compression bar is downwardly protrude to form in the middle part of pressing plate, the lower surface of pressure head is circular conical surface, and compression bar, which is located at, to be fixed
Seat in one end have and pressure head the matched guide surface 37 in lower surface, when pressure head moves down and contacts with compression bar, guide surface with
The lower surface of pressure head is bonded, by the cooperation of circular conical surface and guide surface, during declining pressure head automatically by compression bar smoothly
It releases, compresses the top of headstock.Compression bar is equipped with reset spring 38 and spring arch clasp 39, and spring arch clasp is located in fixing seat, multiple
The both ends of position spring are contacted with the side wall of spring arch clasp and fixing seat respectively, and retraction of the reset spring for compression bar resets, convenient
Hold-down mechanism lifts.Compression bar is equipped with retention bead 310, and retention bead is located at the outside of fixing seat, prevents compression bar from excessively returning
Contracting causes to block pressure head.
When welding headstock, headstock is placed in welding chamber, by headstock Primary Location in lead frame, is further pressed from both sides
Tightening position, wherein the top of headstock is compressed by hold-down mechanism and is positioned, specifically, cylinder operates, piston rod decline, with piston rod
The pressing plate that lower end is fixedly connected also declines, top plate in gravity as piston rod declines together, when top plate is down to and is welded frame
When the upper-end contact of frame, top plate cannot be continued to decline by welding frame limit, and each compression bar reaches designated position at this time, due to piston
Be slidably connected between bar and top plate, piston rod still can push pressing plate to continue to decline, in the process the lower surface of pressure head and
Guide surface fitting on compression bar, pressure head generate outside promotion component to compression bar, push each compression bar protruding together, disposably
To carrying out compression positioning at the top of headstock.After welding, cylinder running, piston rod is moved up, and pressing plate is first on piston rod at this time
It moving, the pressing force between removal compression bar and the top of headstock, reset spring makes compression bar bounce back, and top plate remains stationary during this,
When pressing plate rises to and top plate contact, then drives top plate then to move up with piston rod, entire hold-down mechanism is lifted, facilitating will weld
It connects headstock after molding and releases lead frame, its top will not interfere when headstock is released.
As soon as compression bar can first be down to specified the beneficial effects of the utility model are: need to only decline a movement by piston rod
Auto-extending compresses the top of headstock again behind position, is accurately compressed to it, guarantees the position precision of headstock after compressing；Headstock
After welding fabrication, lifted as soon as rising again after only capable of need to first retracting removal pressing force by piston rod rising movement, compression bar, vehicle
Head can easily release lead frame, and the top of headstock will not interfere when release.
Claims (6)
1. a kind of pressing device for being welded at the top of headstock, characterized in that including
Top plate for welding the welding frame of headstock and can go up and down on frame, top plate are located at the top of welding frame, work as top
When plate is down to the upper-end contact with welding frame, top plate cannot be continued to decline by welding frame limit, and top plate is equipped with for pressing
Hold-down mechanism at the top of tight headstock, the interior welding chamber being equipped with for accommodating headstock of welding frame；
The hold-down mechanism includes the cylinder for driving top plate to go up and down, and cylinder is fixed on the upper end of welding frame, under top plate
End is equipped with fixing seat, the side wall of fixing seat be equipped with several compression bars and with the one-to-one through-hole of compression bar, compression bar is slidably arranged in
In corresponding through-hole, top plate is equipped with the pilot hole passed through for the piston rod of cylinder, and the piston rod of cylinder, which is slidably arranged in, leads
The lower end of Xiang Kongzhong, the piston rod of cylinder are equipped with pressing plate, and pressing plate is located at the lower section of top plate, and pressing plate is located in fixing seat, pressing plate
Middle part is downwardly protrude to form the pressure head for pushing compression bar.
2. a kind of pressing device for being welded at the top of headstock according to claim 1, characterized in that under the pressure head
Surface is circular conical surface, and compression bar is located at one end in fixing seat with the matched guide surface in lower surface with pressure head, when pressure head moves down
And when contacting with compression bar, guide surface is bonded with the lower surface of pressure head.
3. a kind of pressing device for being welded at the top of headstock according to claim 1 or 2, characterized in that the compression bar
Be equipped with reset spring and spring arch clasp, spring arch clasp is located in fixing seat, the both ends of reset spring respectively with spring arch clasp and
The side wall of fixing seat contacts.
4. a kind of pressing device for being welded at the top of headstock according to claim 1 or 2, characterized in that the fixation
It is equipped in seat and is slidably arranged on corresponding slide with the one-to-one slide of compression bar, compression bar.
5. a kind of pressing device for being welded at the top of headstock according to claim 1 or 2, characterized in that described to be welded
The upper end of frame is equipped with several guide rods, and top plate, which is equipped with, passes through correspondence with the one-to-one abdicating through hole of guide rod, guide rod
Abdicating through hole.
6. a kind of pressing device for being welded at the top of headstock according to claim 1 or 2, characterized in that the compression bar
It is equipped with retention bead, retention bead is located at the outside of fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803114.3U CN208513930U (en) | 2018-05-28 | 2018-05-28 | A kind of pressing device for being welded at the top of headstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803114.3U CN208513930U (en) | 2018-05-28 | 2018-05-28 | A kind of pressing device for being welded at the top of headstock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208513930U true CN208513930U (en) | 2019-02-19 |
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ID=65339650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820803114.3U Active CN208513930U (en) | 2018-05-28 | 2018-05-28 | A kind of pressing device for being welded at the top of headstock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208513930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788590A (en) * | 2018-05-28 | 2018-11-13 | 嵊州市恒中机器有限公司 | A kind of headstock welding top compressing structure |
-
2018
- 2018-05-28 CN CN201820803114.3U patent/CN208513930U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788590A (en) * | 2018-05-28 | 2018-11-13 | 嵊州市恒中机器有限公司 | A kind of headstock welding top compressing structure |
| CN108788590B (en) * | 2018-05-28 | 2020-06-26 | 嵊州市恒中机器有限公司 | Top compact structure is used in locomotive welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220302 Address after: 313102 No. 168, LAOHUDONG village, Lijiaxiang Town, Changxing County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Hengyuan Machinery Co.,Ltd. Address before: No. 368, Punan Avenue, Shengzhou Economic Development Zone, Shaoxing City, Zhejiang Province Patentee before: SHENGZHOU HENGZHONG MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right |