CN208912960U - Superelevation single weld seam square and rectangular pipe molding die by force - Google Patents
Superelevation single weld seam square and rectangular pipe molding die by force Download PDFInfo
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- CN208912960U CN208912960U CN201822229393.XU CN201822229393U CN208912960U CN 208912960 U CN208912960 U CN 208912960U CN 201822229393 U CN201822229393 U CN 201822229393U CN 208912960 U CN208912960 U CN 208912960U
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Abstract
The utility model belongs to steel pipe's production technical field, more particularly to superelevation single weld seam square and rectangular pipe molding die by force, upper mold portion including gooseneck type, the lower mold portion of upper mold portion bottom side, lower mold portion includes lower die holder, confinement block, left panel, right panel, lower die holder is equipped with a forming tank, left panel, right panel is separately positioned on two opposite side-walls in forming tank, left panel, right panel is detachably connected with molding groove sidewall, left panel, it is equipped between right panel and molding groove sidewall and left panel is adjusted, regulating mechanism of the right panel to upper mold portion center distance, confinement block is arranged in left panel, between right panel, the two sides of confinement block respectively with left panel, the corresponding face contact of right panel, the groove bottom of forming tank is equipped with the spring that support confinement block moves up and down, asymmetric bending and molding in steel plate bending, steel plate is reduced to upper mold Clamping force, convenient for workpiece after molding demould, extend die life, improve production efficiency.
Description
Technical field
The utility model belongs to steel pipe's production technical field, and in particular to superelevation single weld seam square and rectangular pipe molding die by force.
Background technique
Aerial work platform and telescopic boom fire fighting truck etc. often use high-strength square steel tube structure, and singly weld
Seam square tube is more favored.Single high-strength (or superelevation is strong) square steel tube of weld seam is formed using mould bending mode, existing mould
In tool molding, the plate body of steel plate is deformed into symmetrical structure, and the steel plate for deforming tilting is big to the clamping force of upper mold, workpiece after bending
Disengaging it is unsmooth, greatly reduce production efficiency, and be easy to hit upper mold, cause the damage of upper mold.
Utility model content
Technical problem to be solved in the utility model be in view of the foregoing drawbacks, provide superelevation by force single weld seam square and rectangular pipe at
Pattern has, asymmetric bending and molding in steel plate bending, reduces steel plate to the clamping force of upper mold, takes off convenient for workpiece after molding
Mould extends die life, improves production efficiency.
The utility model solve its technical problem the technical solution adopted is as follows:
Superelevation single weld seam square and rectangular pipe molding die by force, the lower mold portion of upper mold portion, upper mold portion bottom side including gooseneck type, institute
The lower mold portion stated includes lower die holder, confinement block, left panel, right panel, and the lower die holder is equipped with a forming tank, left panel, the right side
Panel is separately positioned on two opposite side-walls in forming tank, and left panel, right panel are detachably connected with molding groove sidewall, left
The adjusting that left panel, right panel to upper mold portion center distance is adjusted is equipped between panel, right panel and molding groove sidewall
Mechanism, the confinement block be arranged between left panel, right panel, the two sides of confinement block respectively with left panel, right panel
Corresponding face contact, the groove bottom of forming tank are equipped with the spring that support confinement block moves up and down, and confinement block, which is equipped with, avoids workpiece sliding
Dynamic location structure.
Further, the regulating mechanism is multiple backing plates, and left panel, right panel are connected by screw and molding groove sidewall
It connects, corresponding position is equipped with the through-hole of attachment screw on backing plate.
Further, the regulating mechanism is hydraulic cylinder, and hydraulic cylinder is embedded in molding groove sidewall, hydraulic cylinder output end
It is corresponding to be connect with left panel, right panel.
Further, the spring is fixed in forming tank by stepped screw.
Further, the front end face that the left panel closely forms groove center is equipped with left side second level die orifice contact surface, right
Panel is equipped with right side second level die orifice contact surface close to the front end face of molding groove center.
Further, the position limiting structure is the limiting slot for being provided with confinement block upper surface.
Further, the right-angle structure that the left side second level die orifice contact surface is 90 °, the right side second level mould
Mouth contact surface is inner concave right angle structure.
The beneficial effects of the utility model are: using the above scheme, the structure of this mold is simple, it can in steel plate bending molding
Asymmetric deformation, elastic deformation amount needed for steel plate reduce, thus reduce steel plate body two sides to the clamping degree of upper mold,
Clamping force is reduced, about the demoulding of workpiece after bending and molding, mold is protected, extends the service life of mold, greatly mention
High production efficiency.
Detailed description of the invention
Through the following detailed description taken in conjunction with the accompanying drawings, the utility model objects, features and advantages above-mentioned and other will
It becomes apparent.
Fig. 1 is a kind of status diagram of mould bending shaping steel tube in a kind of embodiment of the utility model.
Fig. 2 is another status diagram of mould bending shaping steel tube in a kind of embodiment of the utility model.
Fig. 3 is the schematic partial cross-sectional view in a kind of embodiment of the utility model at seat panel.
Wherein: 1 is upper mold portion, and 2 be lower die holder, and 21 be forming tank, and 3 be confinement block, and 31 be limiting slot, and 4 be left panel, 5
It is backing plate for right panel, 6,7 be spring.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment 1: shown in reference picture 1, Fig. 2, superelevation single weld seam square and rectangular pipe molding die by force, the upper mold including gooseneck type
The lower mold portion in portion 1,1 bottom side of upper mold portion, lower mold portion include lower die holder 2, confinement block 3, left panel 4, right panel 5, and lower die holder 2 is equipped with
One forming tank 21 opened up along mold front-rear direction, the opposite left and right sides being arranged in forming tank 21 of left panel 4, right panel 5
At wall, left panel 4, right panel 5 are detachably connected by the side wall of the screw being laterally arranged and the left and right sides of forming tank, left
Multiple left panel 4, right panels 5 of being adjusted are equipped between panel 4, right panel 5 and the side wall of forming tank 21 to upper mold portion centre bit
The backing plate 6 of distance is set, the number of backing plate 6 is muti-piece, and the thickness of backing plate 6 is different, has the through-hole passed through for screw on backing plate 6, leads to
The backing plate 6 for crossing replacement different-thickness or respective numbers adjusts the distance between left panel 4, right panel 5, controls left panel 4, the right side
Panel 5 arrives the position at upper mold portion center respectively, and the front end of the close molding groove center of left panel 4 is 90 ° of right-angle structures, formation pair
Steel plate has the left side second level die orifice contact surface of a supporting point, and right panel 5 is inside 90 ° close to the front end of molding groove center
The inner concave right angle structure of recess, inner concave right angle structure form right side second level die orifice contact surface, right side second level die orifice contact surface
There are two the supporting point of supporting steel plate, left side second level die orifice contact surface, right side second level die orifice contact surfaces to constitute lower mold portion for tool
Second level die orifice contact surface, confinement block 3 be arranged between left panel 4, right panel 5, the two sides of confinement block 3 respectively with left edge
Item 4, the inner end face contact of right panel 5 and conflict, the groove bottom of forming tank 21 are equipped with the spring 7 that support confinement block 3 moves up and down,
3 upper surface of confinement block is equipped with limiting slot 31, and limiting slot 31 and upper mold portion bottom end are opposite up and down, is at this at steel plate bending deformation,
Bottom end is in limiting slot at this, is equipped with a limiting slot 31 at corresponding 1 center of upper mold portion, limiting slot 31 be used for at steel plate bending
Bottom end face contact avoids left and right displacement at steel plate bending to limiting at steel plate bending, and spring 7 is fixed by stepped screw
In forming tank 21, the left-right position of confinement block 3 is limited by left panel, right panel, and left panel, right panel, backing plate pass through screw
It is connect with lower die holder molding groove sidewall, spring is connect by stepped screw with lower die holder groove bottom, and spring floats confinement block
Dynamic support keeps the activity of confinement block or more, and lower die becomes an entirety, and forming tank notch forms the contact of first order die orifice
Face, the height of first order die orifice contact surface are not less than the height of second level die orifice contact surface, after steel plate placement positioning, upper mold portion 1
It pushes, upper mold portion bottom end covers steel plate on confinement block 3, and bottom end be in limiting slot at steel plate bending, is bending change at this
Form point, limited block carry out the support of bottom to steel plate, and limiting slot limits the position of bending deformation point, avoid in upper mold portion pushing
Steel plate stress leads to plate body transverse shifting, and mold is avoided to damage, and spring provides the support of bottom for confinement block, and spring makes confinement block
With the dynamic balancing enabling capabilities moved up and down, the dynamics that can avoid upper mold portion pushing using spring supporting is excessive to cause mold
Damage, steel plate gradually bending, steel plate both ends gradually upwarp, and the initial deformation of steel plate, the plate body of bending deformation point two sides is by first
The support of grade die orifice contact surface is directly supported by second level die orifice contact surface, and steel plate continues to deform, when steel plate deformed angle is
At 110 °, the support point contact of plate body bottom end and left side second level die orifice contact surface on the left of bending deformation point, due to left side second
Grade distance of the die orifice contact surface away from bending center is less than distance of the right side second level die orifice contact surface away from upper mold center, bending deformation
Point right side plate body bottom end and first support point contact by side second level die orifice contact surface, first supporting point is than the second support
Point is higher than the first support point height close to molding groove center, the second support point height, and with the continuation of bending, bending deformation point is left
The steel plate body of side and the variable angle amount at bending center are greater than the steel plate body on the right side of bending deformation point and the folder at bending center
Angle variable quantity can make steel plate is whole to rotate to the right an angle around upper mold portion mould point fillet center, this rotation angle can be with
Reduce the gooseneck depth of upper mold, while also further decreasing the thickness of upper mold, right side steel plate body and the first supporting point, second
Support point contacts, and deflection is greater than right side on the left of bending deformation point, finally makes steel plate bending at the pipe fitting with opening, molding
Afterwards, elastic deformation amount needed for steel plate reduces, to reduce steel plate body two sides to the clamping degree of upper mold, reduces clamping
Power, and then it is easier pipe fitting demoulding, this molding die is asymmetric Bending Mould, is used for asymmetric bending and molding steel plate
Processing is still symmetrical free bending at Bending Processing initial stage (110 ° of bending angle ﹥) using in the Bending Processing of this mold,
With continue bending, when roll over curved angle degree≤110 °, steel plate left side plate body contacted with the second level die orifice of left panel, the die orifice away from
The distance at bending center is less than distance of the right panel second level die orifice away from upper mold center, with the continuation of bending, steel plate left plate
The variable angle amount at body and bending center is greater than right side, that is, part has rotated to the right one around upper mold mould point fillet center
A angle, this rotation angle can reduce the gooseneck depth of upper mold, while also further decrease the thickness of upper mold, finally make
Elastic deformation amount needed for steel plate reduces, reduces steel plate to the clamping degree of upper mold, and then is easier part removal, passes through
Control the distance of left panel, right panel to upper mold center, the angle for making workpiece rotation certain in bending, both sides asymmetry bending
Deformation reduces plate elastic deformation amount, reduces the clamping force to upper mold, convenient for demoulding, meanwhile, it avoids occurring between upper mold and plate
Interference avoids damage to mold, improves bending production efficiency, this mould structure is simple, low in cost, and versatility is high, processes more
Kind large scale bending part, the asymmetric upper alice of plate body hit upper mold, effectively protect upper mold, avoid damage to, extend mold
Service life, die orifice contact in the second level is adjusted by the adjustment of backing plate, make this mold not only can symmetrical bending production, but also can
With asymmetric bending production, versatility is high, using this mold can continuous bending moulding pipe, using a side end face of steel plate as base
Quasi- face, first successively forms at the first deformation close apart from the datum level distance the first, secondth, second deforms out, then is bent into
It is symmetrical bending deformation at first three, last bending is apart from benchmark at type the 4th deformation farthest apart from datum level distance
Third bending part of the identity distance from third, bending early period is deformed into symmetrical expression at this, and the later period is asymmetric, for the ease of demoulding,
The bending and molding of pipe fitting can continuity carry out, do not need to steel plate carry out turn-over, u-turn operation, reduce the risk of operation,
Further increase production efficiency.
Embodiment 2: referring to shown in Fig. 3, the present embodiment the difference from embodiment 1 is that, left panel, right panel and forming tank
The distance of side wall is adjusted by hydraulic cylinder, and hydraulic cylinder is embedded in the side wall at left and right sides of forming tank, the output end pair of hydraulic cylinder
That answers connect with left panel, right panel.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, it is all according to any simple modification to the above embodiments in the technical essence of the utility model, equivalent variations, fall
Enter within the protection scope of the utility model.
Claims (7)
1. single weld seam square and rectangular pipe molding die, the lower mold portion of upper mold portion, upper mold portion bottom side including gooseneck type are special by force for superelevation
Sign is that the lower mold portion includes lower die holder, confinement block, left panel, right panel, and the lower die holder is equipped with a forming tank,
Left panel, right panel are separately positioned on two opposite side-walls in forming tank, and left panel, right panel are removable with molding groove sidewall
Unload connection, be equipped between left panel, right panel and molding groove sidewall be adjusted left panel, right panel to upper mold portion center away from
From regulating mechanism, the confinement block is arranged between left panel, right panel, the two sides of confinement block respectively with left panel,
The corresponding face contact of right panel, the groove bottom of forming tank are equipped with the spring that support confinement block moves up and down, and confinement block is equipped with and keeps away
Exempt from the location structure of workpiece sliding.
2. superelevation according to claim 1 single weld seam square and rectangular pipe molding die by force, which is characterized in that the adjusting machine
Structure is multiple backing plates, and left panel, right panel are connect by screw with molding groove sidewall, and corresponding position is equipped with attachment screw on backing plate
Through-hole.
3. superelevation according to claim 1 single weld seam square and rectangular pipe molding die by force, which is characterized in that the adjusting machine
Structure is hydraulic cylinder, and hydraulic cylinder is embedded in molding groove sidewall, and hydraulic cylinder output end is corresponding to be connect with left panel, right panel.
4. superelevation according to claim 1 single weld seam square and rectangular pipe molding die by force, which is characterized in that the spring is logical
Stepped screw is crossed to be fixed in forming tank.
5. superelevation according to claim 1 single weld seam square and rectangular pipe molding die by force, which is characterized in that the left panel
The front end face of nearly molding groove center is equipped with left side second level die orifice contact surface, and right panel is equipped with close to the front end face of molding groove center
Right side second level die orifice contact surface.
6. superelevation according to claim 1 single weld seam square and rectangular pipe molding die by force, which is characterized in that the positioning knot
Structure is the limiting slot for being provided with confinement block upper surface.
7. superelevation according to claim 5 single weld seam square and rectangular pipe molding die by force, which is characterized in that the left side the
The right-angle structure that second level die orifice contact surface is 90 °, the right side second level die orifice contact surface are inner concave right angle structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822229393.XU CN208912960U (en) | 2018-12-27 | 2018-12-27 | Superelevation single weld seam square and rectangular pipe molding die by force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822229393.XU CN208912960U (en) | 2018-12-27 | 2018-12-27 | Superelevation single weld seam square and rectangular pipe molding die by force |
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| Publication Number | Publication Date |
|---|---|
| CN208912960U true CN208912960U (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822229393.XU Active CN208912960U (en) | 2018-12-27 | 2018-12-27 | Superelevation single weld seam square and rectangular pipe molding die by force |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772993A (en) * | 2018-12-27 | 2019-05-21 | 常州钢劲型钢股份有限公司 | Superelevation single weld seam square and rectangular pipe moulding process and molding die by force |
| CN117225968A (en) * | 2023-11-13 | 2023-12-15 | 中国重型机械研究院股份公司 | Swing angle adjusting device and method for skin stretching machine |
-
2018
- 2018-12-27 CN CN201822229393.XU patent/CN208912960U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772993A (en) * | 2018-12-27 | 2019-05-21 | 常州钢劲型钢股份有限公司 | Superelevation single weld seam square and rectangular pipe moulding process and molding die by force |
| CN117225968A (en) * | 2023-11-13 | 2023-12-15 | 中国重型机械研究院股份公司 | Swing angle adjusting device and method for skin stretching machine |
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