CN204842669U - Draw device - Google Patents
Draw device Download PDFInfo
- Publication number
- CN204842669U CN204842669U CN201520490153.9U CN201520490153U CN204842669U CN 204842669 U CN204842669 U CN 204842669U CN 201520490153 U CN201520490153 U CN 201520490153U CN 204842669 U CN204842669 U CN 204842669U
- Authority
- CN
- China
- Prior art keywords
- panel beating
- auxiliary stopper
- sheet metal
- die shoe
- backup plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a draw device, aim at providing one kind can be effectively to narrow and long sheet metal component, not have enough and to fix a position or be spacing with the sheet metal component of the bearing area of coming pressure material etc. The draw device of shaping quality can be guaranteed to difficult skew of the crooked in -process sheet metal workblank of panel beating. It includes panel beating bend drift, two backup plate seats, in one pillar, is equipped with perpendicular spout on the well pillar, is equipped with the feather key piece on the well pillar, is equipped with on the backup plate seat and turns over the board, and it is articulated with the feather key piece to turn over the inboard end, and feather key piece below is equipped with the buffering and replys the ejector pin, is equipped with two on the die holder and goes up the die shoe frame plates, goes up and is equipped with the bend roll ball of drift of contact panel beating on the die shoe frame plate. The beneficial effects of the utility model are that: at the in -process that the panel beating is crooked, the die cavity has better laminating degree with the sheet metal component to sheet metal component middle part be in often by the panel beating bend the drift and the tight state of plate voltage turns over and under, difficult the skew appears, panel beating bending stability is good, the size precision after the bending is secure.
Description
Technical field
The utility model belongs to sheet metal mould technical field, particularly relates to a kind of device for stretching.
Background technology
In production industry, often can need to carry out v-shaped bending (bending) to sheet metal component.The V-arrangement bending of sheet metal component is normally realized by panel beating bending mould, die in bending mould (mostly is counterdie, sometimes also can be patrix) for locating and providing shaping profile (die cavity of depression), punch is generally crooked formed punch, bending tool etc., coordinates shape, the angle that panel beating can be bent to needs with die.And panel beating bending die, need to carry out suitable edge binder location to panel beating before bending panel beating, in BENDING PROCESS, general binder location can exceed at least three in binder process/just can depart from (along with the carrying out of bending binder for the moment, panel beating is recessed, edge is inwardly shunk, panel beating edge binder area reduces gradually until do not located by binder), otherwise just easily there is the large deviation phenomenons such as displacement, irregular bending in BENDING PROCESS, cause profiled member defective, scrap.
But current panel beating bending die, is not enough used for the bearing area of binder and narrow and long sheet metal component in reply, or during some undersized sheet metal components, just there will be the problem of binder location difficulty.This is because the work contact element (crooked formed punch, bending tool etc.) of punch has certain width and lower size limit, can not be too little, otherwise just there will be because pressing down, bending contact area too little and cause bending insufficient, edge to bend lack of homogeneity, bending after sheet metal component local poor flatness, shape be difficult to reach the defects such as requirement.And cannot reduce again once work contact element (crooked formed punch, bending tool etc.) size, enough not being used for the sheet metal component of bearing area of binder, the top of narrow and long sheet metal component will be covered completely by work contact element (crooked formed punch, bending tool etc.), the binder size surplus meeting wretched insufficiency of sheet metal component edge is even without binder size clout, in these situations, just very weak to the positioning control ability of sheet metal component in BENDING PROCESS, the precision after brake forming is also difficult to ensure.
Utility model content
The utility model is to overcome deficiency of the prior art, provide a kind of rational in infrastructure, can effectively to narrow and long sheet metal component, be not enough used for the sheet metal component etc. of bearing area of binder and position or spacing, in panel beating BENDING PROCESS, plate blank is high by laminating degree, in forming process, panel beating not easily offsets, and can ensure the device for stretching of Forming Quality.
To achieve these goals, the utility model is by the following technical solutions:
A kind of device for stretching, comprise upper bolster, die shoe, described upper bolster is provided with panel beating Bending punch, described die shoe is provided with two backup plate seats, a B-C post is provided with between two described backup plate seats, described B-C post is provided with perpendicular chute, described B-C post is provided with a feather key block that can slide up and down in perpendicular chute, described backup plate seat is provided with turnover panel, two pieces of turnover panels on two backup plate seats are that symmetrical centre is symmetrical mutually with B-C post, described turnover panel is inner hinged with feather key block, the outer end-rack of described turnover panel leans against on the end face of a backup plate seat contiguous with self, described die shoe is provided with jogger hole, be provided with one immediately below described feather key block and reply push rod through the buffering of jogger hole, described buffering is replied push rod lower end and is connected a returning spring, described returning spring lower end is connected on a fixed pedestal, described buffering replys the bottom surface that turnover panel the inner is withstood in push rod upper end, described backup plate seat is provided with near a upper lateral part of B-C post and dodges unfilled corner, described buffering is replied push rod and is comprised one for contacting the descending spacing head of die shoe end face, described die shoe is provided with two patrix carrier frame plates, guide space is formed between two patrix carrier frame plates, described panel beating Bending punch is through guide space, described patrix carrier frame plate is provided with some ball pocket grooves near one end of panel beating Bending punch, rolling ball is provided with in described ball pocket groove, the sidewall of described rolling ball contact panel beating Bending punch, described panel beating Bending punch is provided with some auxiliary stopper grooves, the auxiliary stopper bar that can relatively with auxiliary stopper groove slide up and down is provided with in described auxiliary stopper groove, auxiliary stopper bar outer end is stretched out outside auxiliary stopper groove, auxiliary stopper bar the inner connects panel beating Bending punch by auxiliary stopper spring, be provided with bottom described patrix carrier frame plate and there is flexible protection bed course.
As preferably, described turnover panel is provided with cross spacing block, and described cross spacing block is on the end face of turnover panel outer end.
As preferably, described horizontal limited block connects one end of a cross spring, and the other end of cross spring connects a movable limited block, and described movable limited block connects one for contacting the elastic caoutchouc head at sheet metal component edge.
As preferably, described patrix carrier frame plate is connected on die shoe by bracket column, and described patrix carrier frame plate end face is provided with buffer rubber gasket.
The beneficial effects of the utility model are: in the process that panel beating is bending, die cavity and sheet metal component have degree of laminating preferably, and be under the state that compressed by panel beating Bending punch and turnover panel in the middle part of sheet metal component constantly, not easily there is skew, panel beating brake forming good stability, bending after dimensional accuracy secure; Have the position limiting structure alive of cross spring, movable limited block, the first-class formation of elastic caoutchouc, size strong adaptability, clamping effect are more perfect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation at the movable limited block of the utility model, elastic caoutchouc head place;
Fig. 4 is the schematic diagram that the utility model turnover panel is turned to lower limit position;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Fig. 6 is the structural representation at the utility model guide space place.
In figure: upper bolster 1, die shoe 2, panel beating Bending punch 3, backup plate seat 4, perpendicular chute 5, feather key block 6, turnover panel 7, buffering are replied push rod 8, returning spring 9, fixed pedestal 10, are dodged unfilled corner 11, descending spacing 12, cross spacing block 13, cross spring 14, movable limited block 15, elastic caoutchouc head 16, patrix carrier frame plate 17, bracket column 18, buffer rubber gasket 19, B-C post 20, rolling ball 21, auxiliary stopper bar 22, auxiliary stopper spring 23, protection bed course 24.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
In embodiment as shown in Figures 1 to 6, a kind of device for stretching, comprise upper bolster 1, die shoe 2, described upper bolster is provided with panel beating Bending punch 3, described die shoe is provided with two backup plate seats 4, a B-C post 20 is provided with between two described backup plate seats, described B-C post is provided with perpendicular chute 5, described B-C post is provided with a feather key block 6 that can slide up and down in perpendicular chute, described backup plate seat is provided with turnover panel 7, two pieces of turnover panels on two backup plate seats are that symmetrical centre is symmetrical mutually with B-C post, described turnover panel is inner hinged with feather key block, the outer end-rack of described turnover panel leans against on the end face of a backup plate seat contiguous with self, described die shoe is provided with jogger hole, be provided with one immediately below described feather key block and reply push rod 8 through the buffering of jogger hole, described buffering is replied push rod lower end and is connected a returning spring 9, described returning spring lower end is connected on a fixed pedestal 10, described buffering replys the bottom surface that turnover panel the inner is withstood in push rod upper end, described backup plate seat is provided with near a upper lateral part of B-C post and dodges unfilled corner 11, described buffering is replied push rod and is comprised one for contacting descending spacing 12 of die shoe end face, described die shoe is provided with two patrix carrier frame plates 17, guide space is formed between two patrix carrier frame plates, described panel beating Bending punch is through guide space, described patrix carrier frame plate is provided with some ball pocket grooves near one end of panel beating Bending punch, rolling ball 21 is provided with in described ball pocket groove, the sidewall of described rolling ball contact panel beating Bending punch, described panel beating Bending punch is provided with some auxiliary stopper grooves, the auxiliary stopper bar 22 that can relatively with auxiliary stopper groove slide up and down is provided with in described auxiliary stopper groove, auxiliary stopper bar outer end is stretched out outside auxiliary stopper groove, auxiliary stopper bar the inner connects panel beating Bending punch by auxiliary stopper spring 23, be provided with bottom described patrix carrier frame plate and there is flexible protection bed course 24.
During beginning, be placed in by plate blank on two turnover panels, aligned position, panel beating Bending punch then just can be allowed descending, after panel beating Bending punch touches sheet metal component (plate blank), panel beating starts to bend.Turnover panel the inner is subject to downward power, also can oppress feather key block to slide in perpendicular chute and move down, in the process that feather key block moves down, turnover panel rotates along pin joint, then is aided with the outer then spacing of backup plate seat, the outer end of turnover panel is turned over, the inner moves down, thus die profile (end faces of two pieces of turnover panels) large area can paste panel beating all the time, thus clamping effect, limit effect are obvious, panel beating is not easily shifted, and forming process is very stable.Panel beating Bending punch is descending put in place after (now buffering replys the descending spacing head contact die shoe end face on push rod, turnover panel the inner cannot continue to move down, turnover panel has been turned to lower limit position, and the angle now between turnover panel is exactly the final angle of bend of sheet metal component), panel beating has bent.Subsequently, panel beating Bending punch can be allowed to reset, and turnover panel also can reset under buffering replys the effect of push rod, returning spring.Panel beating Bending punch downlink working, on horizontal reset process in, sidewall all contacts the ball that respectively rolls, thus can effectively be led, and can ensure the stability and vertically of up, descending process, ensure panel beating end product quality.Panel beating (plate) is after by the bending of panel beating Bending punch, turnover panel end face can't be against from start to finish always, but have the situation of both sides tilting, when panel beating will both sides tilt time, can first be withstood by auxiliary stopper bar appropriateness, thus can not be out of shape excessively quickly, the effect of panel beating protection can be played, descending along with panel beating Bending punch, panel beating can by top to turnover panel end face, and auxiliary stopper spring also can be shunk by pressure always, until auxiliary stopper bar enters in auxiliary stopper groove completely, panel beating Bending punch touch panel beating end face, turnover panel end face touch panel beating bottom surface, now BENDING PROCESS completes (turnover panel has also been turned to lower limit position).After completing bending (bending) process; turnover panel resets; forming part (panel beating) upwards can be ejected; panel beating edge easily bumps against patrix carrier frame plate bottom surface; and had protection bed course; effectively can cushion the collision between panel beating (edge) and patrix carrier frame plate bottom surface in the demoulding (liftout) process, ensure the quality after the demoulding of finished product sheet metal component.
Described turnover panel is provided with cross spacing block 13, and described cross spacing block is on the end face of turnover panel outer end.Cross spacing block can carry out the horizontal pre-determined bit in blowing process, and also can provide cross spacing to a certain degree in the process bent at panel beating.
Described horizontal limited block connects one end of a cross spring 14, and the other end of cross spring connects a movable limited block 15, and described movable limited block connects one for contacting the elastic caoutchouc head 16 at sheet metal component edge.Sheet metal component before bending, blowing time, both sides of the edge can be lived by the elastic caoutchouc crown, thus it is spacing to form a work, and first allow for can not be too high to the dimension precision requirement of plate blank, thus effectively can reduce plate blank pretreatment cost.And, in the process that panel beating is bending, in fact sheet metal component more or less all can have some stretch (panel beating transverse width can be slightly elongated, here transverse width refers to the direction vertical with the bending line of panel beating), if make extremely spacing, the problem of local thickness's significant change is easily there is because of extruding, cause shaping after sheet metal part thickness may be not too even, live spacing then can adaptive self-regulation, thus further increase sheet-metal formed precision and Forming Quality under the prerequisite ensureing limit effect.It should be noted that then cross spacing block no longer directly plays spacing effect according to position limiting structure alive above-mentioned in this section, but use as an external end anchors, play the effect connecting cross spring.
Described patrix carrier frame plate is connected on die shoe by bracket column 18, and described patrix carrier frame plate end face is provided with buffer rubber gasket 19.Patrix carrier frame plate can carry out spacing to upper bolster descending, prevent panel beating Bending punch excessively descending or excessively clash into substructure, buffer rubber gasket then can coordinate damping, buffering, protects the structure on die shoe.
Described B-C post top is provided with the projection 20 protruded towards direction, turnover panel place, and form longitudinal pre-determined bit groove 21 between the bottom surface of described projection and turnover panel end face, B-C post, the groove depth of described longitudinal pre-determined bit groove is 0.5 centimetre to 1.5 centimetres.Longitudinally pre-stopper slot can as longitudinal pre-determined bit structure of plate blank, plate blank one end can be pushed directly in longitudinal pre-determined bit groove, realize the calibration of initial position and initially spacing, and in panel beating BENDING PROCESS, the turnover panel end face (local top surface of turnover panel) forming lower surface in longitudinal pre-determined bit groove can move down together along with turnover panel, so there is not panel beating to move down problem that is limited and that interfere.
Claims (4)
1. a device for stretching, comprise upper bolster, die shoe, it is characterized in that, described upper bolster is provided with panel beating Bending punch, described die shoe is provided with two backup plate seats, a B-C post is provided with between two described backup plate seats, described B-C post is provided with perpendicular chute, described B-C post is provided with a feather key block that can slide up and down in perpendicular chute, described backup plate seat is provided with turnover panel, two pieces of turnover panels on two backup plate seats are that symmetrical centre is symmetrical mutually with B-C post, described turnover panel is inner hinged with feather key block, the outer end-rack of described turnover panel leans against on the end face of a backup plate seat contiguous with self, described die shoe is provided with jogger hole, be provided with one immediately below described feather key block and reply push rod through the buffering of jogger hole, described buffering is replied push rod lower end and is connected a returning spring, described returning spring lower end is connected on a fixed pedestal, described buffering replys the bottom surface that turnover panel the inner is withstood in push rod upper end, described backup plate seat is provided with near a upper lateral part of B-C post and dodges unfilled corner, described buffering is replied push rod and is comprised one for contacting the descending spacing head of die shoe end face, described die shoe is provided with two patrix carrier frame plates, guide space is formed between two patrix carrier frame plates, described panel beating Bending punch is through guide space, described patrix carrier frame plate is provided with some ball pocket grooves near one end of panel beating Bending punch, rolling ball is provided with in described ball pocket groove, the sidewall of described rolling ball contact panel beating Bending punch, described panel beating Bending punch is provided with some auxiliary stopper grooves, the auxiliary stopper bar that can relatively with auxiliary stopper groove slide up and down is provided with in described auxiliary stopper groove, auxiliary stopper bar outer end is stretched out outside auxiliary stopper groove, auxiliary stopper bar the inner connects panel beating Bending punch by auxiliary stopper spring, be provided with bottom described patrix carrier frame plate and there is flexible protection bed course.
2. a kind of device for stretching according to claim 1, is characterized in that, described turnover panel is provided with cross spacing block, and described cross spacing block is on the end face of turnover panel outer end.
3. a kind of device for stretching according to claim 2, it is characterized in that, described cross spacing block connects one end of a cross spring, and the other end of cross spring connects a movable limited block, and described movable limited block connects one for contacting the elastic caoutchouc head at sheet metal component edge.
4. a kind of device for stretching according to claim 1 and 2, is characterized in that, described patrix carrier frame plate is connected on die shoe by bracket column, and described patrix carrier frame plate end face is provided with buffer rubber gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490153.9U CN204842669U (en) | 2015-07-04 | 2015-07-04 | Draw device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490153.9U CN204842669U (en) | 2015-07-04 | 2015-07-04 | Draw device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204842669U true CN204842669U (en) | 2015-12-09 |
Family
ID=54733266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520490153.9U Expired - Fee Related CN204842669U (en) | 2015-07-04 | 2015-07-04 | Draw device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204842669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262397A (en) * | 2018-03-15 | 2018-07-10 | 安徽凯贝耐特钣金科技有限公司 | A kind of refrigerator back board forming die and moulding process |
| CN108817214A (en) * | 2018-07-17 | 2018-11-16 | 湖州德宇机械科技有限公司 | Apparatus for bending is used in a kind of production and processing of Hardware fitting |
-
2015
- 2015-07-04 CN CN201520490153.9U patent/CN204842669U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262397A (en) * | 2018-03-15 | 2018-07-10 | 安徽凯贝耐特钣金科技有限公司 | A kind of refrigerator back board forming die and moulding process |
| CN108817214A (en) * | 2018-07-17 | 2018-11-16 | 湖州德宇机械科技有限公司 | Apparatus for bending is used in a kind of production and processing of Hardware fitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |