CN105414300A - Stretching cushion block - Google Patents
Stretching cushion block Download PDFInfo
- Publication number
- CN105414300A CN105414300A CN201510928858.9A CN201510928858A CN105414300A CN 105414300 A CN105414300 A CN 105414300A CN 201510928858 A CN201510928858 A CN 201510928858A CN 105414300 A CN105414300 A CN 105414300A
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- Prior art keywords
- cushion block
- steel
- stretching
- stretching cushion
- type steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/02—Die-cushions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a stretching cushion block which comprises an upper stretching cushion block and a lower stretching cushion block, wherein the upper stretching cushion block comprises a horizontal plate, a transitional section and a support section; the horizontal plate is used for tightly pressing the upper end face of C-shaped steel or channel steel; the bottom wall of the support section is an arc-shaped bottom wall which is sunken inwards; the upper end face of the lower stretching cushion block is an arc surface. After the stretching cushion block is adopted for finishing stretching, the upper end face of an opening end of the C-shaped steel or channel steel slightly upwarps, the lower surface slightly bulges upwards, the parts, 1-2 mm away from the two ends, of the entire C-shaped steel or channel steel form the shapes which slightly upwarps and slightly bulges upwards like the upper end face and the lower surface, a hole is formed in the middle part of the C-shaped steel or channel steel and is a slight parallel port, and the slight parallel port is within the error permissible range and can meet the production requirements through correction. Compared with the manner of adopting a common cushion block in the prior art, the stretching cushion block ensures the stretching yield of C-shaped steel or channel steel and reduces the scrap amount of C-shaped steel or channel steel.
Description
Technical field
The present invention relates to machinery manufacturing technology field, particularly one stretching cushion block.
Background technology
In the drawing process of C-type steel or U-steel, general employing stretching cushion block supports C-type steel or U-steel, the stretching cushion block adopted in prior art is flat type cushion block, as shown in Figure 1, stretching cushion block comprises stretching cushion block 01 and lower stretching cushion block 02, the upper end of upper stretching cushion block 01 is provided with the step-like projection coordinated with the openend of C-type steel or U-steel, the lower end of upper stretching cushion block 01 and the inner wall size adaptation of C-type steel or U-steel, the upper surface of lower stretching cushion block 02 and the bottom wall outer of C-type steel or U-steel are fitted, lower stretching cushion block 02 can support the diapire of C-type steel or U-steel, such cushion block simplicity of design, handling ease, but the drawing effect of this type of stretching cushion block is bad, the openend of C-type steel or U-steel is stayed, diapire is also to lower recess, after stretching, the shaped cross of whole C-type steel or U-steel is all that openend is stayed, diapire is to the shape of lower recess, qualification rate is low, later stage corrects and complicated even causes scrapping of whole C-type steel or U-steel.
Therefore, how to improve C-type steel or U-steel stretch after yield rate, that reduces C-type steel or U-steel scraps quantity, becomes the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of stretching cushion block, with improve C-type steel or U-steel stretch after yield rate, that reduces C-type steel or U-steel scraps quantity.
For achieving the above object, the invention provides following technical scheme:
A kind of stretching cushion block, for the stretching of C-type steel or U-steel, described stretching cushion block comprises:
Upper stretching cushion block, the changeover portion that described upper stretching cushion block comprises level board for compressing described C-type steel or U-steel upper surface, coordinate with the openend of described C-type steel or U-steel and the supporting section being positioned at lower end and can contacting with the diapire of described C-type steel or U-steel, the width of described changeover portion coordinates with the opened gap of described C-type steel or U-steel, and the diapire of described supporting section is the circular arc diapire caved inward;
Lower stretching cushion block, the upper surface of described lower stretching cushion block is arc surface, and the upper surface of described arc surface and the diapire of described C-type steel or U-steel offset.
Preferably, in above-mentioned stretching cushion block, the diapire top of described upper stretching cushion block is 8-10mm apart from the diapire distance of described C-type steel or U-steel.
Preferably, in above-mentioned stretching cushion block, the sidewall of described supporting section is outwardly circular arc sidewall.
Preferably, in above-mentioned stretching cushion block, the upper surface of described lower stretching cushion block and described C-type steel or U-steel are 10-20mm along the contact distance of described C-type steel or U-steel width.
Preferably, in above-mentioned stretching cushion block, the width of described level board is greater than or equal to the upper surface width of described C-type steel or U-steel.
Preferably, in above-mentioned stretching cushion block, described stretching cushion block is the stretching cushion block that Cutting Process makes.
Preferably, in above-mentioned stretching cushion block, described stretching cushion block is Aluminum alloy tensile cushion block.
As can be seen from technique scheme, stretching cushion block provided by the invention comprises stretching cushion block and lower stretching cushion block, upper stretching cushion block comprises level board, changeover portion and supporting section, level board is for compressing the upper surface of C-type steel or U-steel, the diapire of supporting section is the circular arc diapire caved inward, and the upper surface of lower stretching cushion block is arc surface.After adopting above-mentioned stretching cushion block to stretch, the upper surface, openend of C-type steel or U-steel is upturned slightly, lower surface slightly raises up, and the 1-2m place, two ends of whole C-type steel or U-steel becomes above-mentioned upper surface to be slightly upturned, the shape that lower surface slightly raises up, its opening of the centre position of C-type steel or U-steel is slight parallel port, this slight parallel port is in error allowed band, production requirement can be met by correcting, relative to the mode adopting common cushion block in prior art, ensure that the stretching yield rate of C-type steel or U-steel, that reduces C-type steel or U-steel scraps quantity.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 for stretching cushion block that the embodiment of the present invention provides coordinate with C-type steel or U-steel after structural representation;
Design sketch after the C-type steel that Fig. 2 provides for the embodiment of the present invention or U-steel stretch.
1, upper stretching cushion block, 2, lower stretching cushion block.
Detailed description of the invention
The invention discloses a kind of stretching cushion block, with improve C-type steel or U-steel stretch after yield rate, that reduces C-type steel or U-steel scraps quantity.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, Fig. 1 for stretching cushion block that the embodiment of the present invention provides coordinate with C-type steel or U-steel after structural representation; Design sketch after the C-type steel that Fig. 2 provides for the embodiment of the present invention or U-steel stretch.
The invention discloses a kind of stretching cushion block, for the stretching of C-type steel or U-steel, stretching cushion block comprises stretching cushion block 1 and lower stretching cushion block 2.Wherein:
Upper stretching cushion block 1, the changeover portion that upper stretching cushion block 1 comprises level board for compressing C-type steel or U-steel upper surface, coordinate with the openend of C-type steel or U-steel and the supporting section being positioned at lower end and can contacting with the diapire of C-type steel or U-steel, the width of changeover portion coordinates with the opened gap of C-type steel or U-steel, the cushion block 1 that can expediently stretch stretches into C-type steel or U-steel inwall, avoids the inwall of stretching cushion block 1 pair of C-type steel or U-steel to cause damage.
Level board can play pressuring action to the upper surface, openend of C-type steel or U-steel, avoid the excessive deformation of C-type steel or U-steel openend, affect the shape of C-type steel or U-steel mid portion, sawing can be reduced to a certain extent to work end to end the C-type steel of middle sawing or the length of U-steel, reduce the waste to material.
The diapire of supporting section is the circular arc diapire caved inward, the upper surface of lower stretching cushion block 2 is arc surface, the diapire of the upper surface of arc surface and C-type steel or U-steel offsets, the diapire of lower stretching cushion block 2 pairs of C-type steel or U-steel is played a supporting role, the diapire of circular arc diapire to C-type steel or U-steel of supporting section plays pressuring action, C-type steel make stretching under the acting in conjunction of lower stretching cushion block 2 and supporting section after or the diapire of U-steel are in the shape raised up, and openend is in the shape be upturned.
The stretching cushion block that this programme provides is arranged in C-type steel or U-steel, after C-type steel or U-steel stretch and terminate, the diapire of two ends 1-2m raises up, openend is in the shape be upturned, the upper end open place of C-type steel or U-steel mid portion is in slight also lip reflex, such parallel port is through measuring completely in drawing dimensional requirement, meet terms of delivery, subsequent processing can be carried out, relative to the mode adopting common cushion block in prior art, the stretching yield rate of C-type steel or U-steel can be improved, what reduce C-type steel or U-steel scraps quantity, and the middle part deformation of C-type steel or U-steel does not need correction to meet production requirement, reduce the hand labor intensity that staff corrects C-type steel or U-steel accordingly, improve the production efficiency of C-type steel or U-steel.
In a specific embodiment of the present invention, the diapire top distance C-type steel of upper stretching cushion block 1 or the diapire distance of U-steel are 8-10mm, the sinking degree of diapire is unsuitable excessive, the degree that the diapire of this kind of design C-type steel or U-steel raises up can not be too high, can reduce the manual synchronizing labour intensity that staff corrects the mid portion change in shape of C-type steel or U-steel.The design of diapire upper groove also can reduce the quality of upper stretching cushion block 1 to a certain extent, the materials'use amount of stretching cushion block 1 in minimizing, reduces production cost.
In order to reduce the installation difficulty of upper stretching cushion block 1, the sidewall of supporting section is outwardly circular arc sidewall, decrease the use amount of material on the one hand, reduce the height of sidewall on the other hand, ensure that stretching cushion block 1 can slip into the inwall of C-type steel or U-steel smoothly, reduce the damage to C-type steel or U-steel.
The upper stretching cushion block 1 of the stretching cushion block that this programme provides and lower stretching cushion block 2 are all utilize the leftover bits and pieces in production process to carry out making, and achieve effective utilization of material.
In a specific embodiment of the present invention, the upper surface of lower stretching cushion block 2 and C-type steel or U-steel are 10-20mm along the contact distance of C-type steel or U-steel width, make lower stretching cushion block 2 have enough contacts area with C-type steel or U-steel, ensure the support effect of the diapire of lower stretching cushion block 2 pairs of C-type steel or U-steel.C-type steel or U-steel are designed to 10-20mm along the contact distance of C-type steel or U-steel width, the upper surface of lower stretching cushion block 2 coordinates the diapire of the C-type steel after making stretching or U-steel in the shape raised up with the lower surface of upper stretching cushion block 1, openend is in the shape be upturned, ensure C-type steel or U-steel whole longitudinal section except, one to two meter, termination be that above-mentioned diapire raises up, outside the phenomenon that openend is upturned, other positions are in very small also lip reflex, and such parallel port is through measuring completely in drawing dimensional requirement, meet terms of delivery, subsequent processing can be carried out, improve the yield rate of C-type steel or U-steel accordingly, reduce hand labor intensity, improve the production efficiency of C-type steel or U-steel simultaneously.
In order to ensure the compression effect of upper stretching cushion block 1 pair of C-type steel or U-steel upper surface, the width of level board is greater than or equal to the upper surface width of C-type steel or U-steel, realize the effective compression to C-type steel or U-steel upper surface, reduction C-type steel or U-steel two ends need the size of sawing, reduce the parallel port size in the middle part of C-type steel or U-steel simultaneously.
In order to reduce the production difficulty of stretching cushion block, stretching cushion block is the stretching cushion block that Cutting Process makes, and stretching cushion block is cut by hard alloy machine and makes, and Cutting Process is simple to operate and cost is low.
In order to ensure the working strength of stretching cushion block, stretching cushion block is Aluminum alloy tensile cushion block, and stretching cushion block can also be stainless steel stretched cushion block or iron stretching cushion block.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a stretching cushion block, for the stretching of C-type steel or U-steel, it is characterized in that, described stretching cushion block comprises:
Upper stretching cushion block (1), the changeover portion that described upper stretching cushion block (1) comprises level board for compressing described C-type steel or U-steel upper surface, coordinate with the openend of described C-type steel or U-steel and the supporting section being positioned at lower end and can contacting with the diapire of described C-type steel or U-steel, the width of described changeover portion coordinates with the opened gap of described C-type steel or U-steel, and the diapire of described supporting section is the circular arc diapire caved inward;
Lower stretching cushion block (2), the upper surface of described lower stretching cushion block (2) is arc surface, and the upper surface of described arc surface and the diapire of described C-type steel or U-steel offset.
2. stretching cushion block according to claim 1, is characterized in that, the diapire top of described upper stretching cushion block (1) is 8-10mm apart from the diapire distance of described C-type steel or U-steel.
3. stretching cushion block according to claim 1, is characterized in that, the sidewall of described supporting section is outwardly circular arc sidewall.
4. stretching cushion block according to claim 1, is characterized in that, the upper surface of described lower stretching cushion block (2) and described C-type steel or U-steel are 10-20mm along the contact distance of described C-type steel or U-steel width.
5. stretching cushion block according to claim 1, is characterized in that, the width of described level board is greater than or equal to the upper surface width of described C-type steel or U-steel.
6. stretching cushion block according to claim 1, is characterized in that, described stretching cushion block is the stretching cushion block that Cutting Process makes.
7. stretching cushion block according to claim 1, is characterized in that, described stretching cushion block is Aluminum alloy tensile cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510928858.9A CN105414300B (en) | 2015-12-11 | 2015-12-11 | One kind stretching cushion block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510928858.9A CN105414300B (en) | 2015-12-11 | 2015-12-11 | One kind stretching cushion block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105414300A true CN105414300A (en) | 2016-03-23 |
| CN105414300B CN105414300B (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510928858.9A Active CN105414300B (en) | 2015-12-11 | 2015-12-11 | One kind stretching cushion block |
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| Country | Link |
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| CN (1) | CN105414300B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649530A (en) * | 2017-10-26 | 2018-02-02 | 西南铝业（集团）有限责任公司 | The production method and production equipment of space flight superelevation essence guide rail section |
| CN109513793A (en) * | 2018-12-29 | 2019-03-26 | 西南铝业（集团）有限责任公司 | A kind of grooved section drawing process and tension straingtening equipment and cushion block |
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| CN102078896A (en) * | 2009-12-01 | 2011-06-01 | 通用汽车环球科技运作公司 | Stretch-forming device and method for stretch forming a workpiece and stretch-formed part |
| CN202010709U (en) * | 2010-12-22 | 2011-10-19 | 滁州市艾德模具设备有限公司 | Initial large gap bending mechanism |
| EP2865459A1 (en) * | 2012-06-22 | 2015-04-29 | Nippon Steel & Sumitomo Metal Corporation | Method and apparatus for producing press-moulded article |
| CN105013914A (en) * | 2014-04-30 | 2015-11-04 | 天津市盛鑫鹏交通设施有限公司 | Punch forming system |
| CN205253824U (en) * | 2015-12-11 | 2016-05-25 | 西南铝业（集团）有限责任公司 | Novel tensile cushion |
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2015
- 2015-12-11 CN CN201510928858.9A patent/CN105414300B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102078896A (en) * | 2009-12-01 | 2011-06-01 | 通用汽车环球科技运作公司 | Stretch-forming device and method for stretch forming a workpiece and stretch-formed part |
| CN202010709U (en) * | 2010-12-22 | 2011-10-19 | 滁州市艾德模具设备有限公司 | Initial large gap bending mechanism |
| EP2865459A1 (en) * | 2012-06-22 | 2015-04-29 | Nippon Steel & Sumitomo Metal Corporation | Method and apparatus for producing press-moulded article |
| CN105013914A (en) * | 2014-04-30 | 2015-11-04 | 天津市盛鑫鹏交通设施有限公司 | Punch forming system |
| CN205253824U (en) * | 2015-12-11 | 2016-05-25 | 西南铝业（集团）有限责任公司 | Novel tensile cushion |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649530A (en) * | 2017-10-26 | 2018-02-02 | 西南铝业（集团）有限责任公司 | The production method and production equipment of space flight superelevation essence guide rail section |
| CN109513793A (en) * | 2018-12-29 | 2019-03-26 | 西南铝业（集团）有限责任公司 | A kind of grooved section drawing process and tension straingtening equipment and cushion block |
| CN109513793B (en) * | 2018-12-29 | 2023-05-23 | 西南铝业（集团）有限责任公司 | Groove-type section bar stretching process and stretching straightening equipment |
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| Publication number | Publication date |
|---|---|
| CN105414300B (en) | 2017-08-08 |
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