CN204234597U - A kind of without rivet die assembly - Google Patents
A kind of without rivet die assembly Download PDFInfo
- Publication number
- CN204234597U CN204234597U CN201420681719.1U CN201420681719U CN204234597U CN 204234597 U CN204234597 U CN 204234597U CN 201420681719 U CN201420681719 U CN 201420681719U CN 204234597 U CN204234597 U CN 204234597U
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- cylinder
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- core rod
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Abstract
The utility model provides a kind of without rivet die assembly, the small space solving principal arm in glass-frame riser and auxiliary revolution link position is difficult to riveted joint and welds unsightly and excesssive gap, the problem of the looseness easily causing master arm and tooth to fan.Wherein comprise without rivet die assembly: the die body of the cylinder type matched with the standard punch mold without rivet, wherein the center of die body is provided with an alignment pin through hole; Be distributed in multiple through holes of the default processing diameter around alignment pin through hole; Be embedded in the dismountable die cavity core rod in each through hole respectively, wherein die cavity core rod has the projection of the adjustment height of an adjustment processing work base thickness value; The cylinder of die body comprises: the first cylinder and be less than the second cylinder of the first cylinder diameter, wherein the first cylinder is coaxially arranged on the second cylinder and forms step cutting pattern, and is positioned at the second cylindrical edge and is evenly distributed with and installs fixing multiple installing holes.
Description
Technical field
The utility model relates to the processing unit (plant) in automobile manufacturing field, particularly relates to a kind of without rivet die assembly.
Background technology
Along with the develop rapidly of auto industry, auto parts and components processing technology is also constantly reformed, and without rivet new technology in the extensive use of auto parts and components production field, and obtains the consistent accreditation of auto vendor.Along with the continuous maturation without rivet new technology, owing to can improve the quality of products without rivet process, controllability and reliability, also can guarantee homogeneity of product, therefore achieve without the extensive use of rivet technique in lifter field, such as tooth fan master arm.
Current glass-frame riser tooth fan/master arm connects the general overall salient point electric resistance welding or the overall multiple spot of Large space or single-point of adopting without rivet mode.Major and minor revolution of arm link position is due to narrow space, and general employing projection weld welds or has the riveting method of rivet.In order to arrange die plate insert and ensure that mould is installed and positioning precision and intensity, riveting dot spacing must be greater than 20 millimeters, but because of standard staking die φ 8 riveting point core rod, minimum installation is inlayed diameter and is only 16 millimeters, riveting point spacing is less than 20 millimeters and is difficult to rivet, and riveted joint needs matched in clearance, makes to take up room and rivets low precision, swing and motion abnormal sound and welding can be produced unsightly and excesssive gap after assembling finished product, easily cause the looseness problem that master arm and tooth are fanned.
Utility model content
The purpose of this utility model is to provide a kind of without rivet die assembly, the small space solving principal arm in glass-frame riser and auxiliary revolution link position is difficult to riveted joint and welding unsightly and excesssive gap, the problem of the looseness easily causing master arm and tooth to fan.
In order to solve the problems of the technologies described above, the one that the utility model embodiment provides, without rivet die assembly, comprising:
The die body of the cylinder type matched with the standard punch mold without rivet, the center of wherein said die body is provided with an alignment pin through hole;
Be distributed in multiple through holes of the default processing diameter around described alignment pin through hole;
Be embedded in the dismountable die cavity core rod in each described through hole respectively, wherein said die cavity core rod has the projection of the adjustment height of an adjustment processing work base thickness value;
The cylinder of described die body comprises: the first cylinder and be less than the second cylinder of described first cylinder diameter, wherein said first cylinder is coaxially arranged on described second cylinder and forms step cutting pattern, and is positioned at described second cylindrical edge and is evenly distributed with and installs fixing multiple installing holes.
Further, have the position limiting structure coordinated between each through hole with described die cavity core rod, wherein said position limiting structure comprises:
The shaft section of described die cavity core rod is inverted T shape structure, and wherein said inverted T shape structure is that two cylinders of different-diameter coaxially arrange the shaft section forming step, and wherein said projection is arranged at the top of the described structure of falling T; And
Each described through hole has the pass matched with the inverted T shape structure of described die cavity core rod.
Further, each described through hole described default processing diameter be 6 millimeters within the scope of 9 millimeters.
Further, the number of multiple described through hole is in the scope of 2 to 6.
Further, 5 described through holes the center of circle formed calibration diameter of a circle be 20 millimeters within the scope of 24 millimeters.
Wherein above-mentionedly also to comprise without rivet die assembly:
Be arranged at the working part below described die body, wherein said working part comprises the lower limit cushion block for pushing described die cavity core rod;
Be arranged at the counterdie backing plate below described lower limit cushion block;
Be arranged at the location-plate between described counterdie backing plate and described lower limit cushion block; And
Be compassingly set at the material returned spring on described lower limit cushion block.
The beneficial effect of technique scheme of the present utility model is as follows:
In scheme of the present utility model, die is provided with the through hole of multiple default processing diameter, and carry out processing work by the projection embedded on die cavity core rod in through-holes, thus the multiple through holes presetting processing diameter are arranged on die simultaneously, save the processing space of mould, principal arm and auxiliary revolution link position small space on can apply, simultaneously without the workpiece appearance looks elegant of rivet, and the base thickness value of workpiece can be regulated by the projection on die cavity core rod, makes the stable case of easy control connection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the staking die of the utility model embodiment;
Fig. 2 is the staking die processing work schematic diagram of the utility model embodiment;
Fig. 3 is traditional standard concave mold insert structure schematic diagram;
Fig. 4 is traditional single-point riveting method schematic diagram;
Fig. 5 is traditional single-point riveting method processing work schematic diagram;
Schematic diagrames are interfered in 5 riveted joints of Fig. 6 to be traditional normal die diameter be reference circle of 22 millimeters;
Fig. 7 is the structure top view of the product of the riveting tool application of the utility model embodiment;
Fig. 8 is the structural front view of the product of the riveting tool application of the utility model embodiment;
Fig. 9 is the partial enlarged drawing at the E place of Fig. 8;
Figure 10 is the riveted joint pre-structure schematic diagram of 5 riveting tools of the utility model embodiment;
Figure 11 is structural representation in the riveted joint of 5 riveting tools of the utility model embodiment;
Figure 12 is the partial enlarged drawing at the F place of Figure 11.
Description of reference numerals:
1-standard punch, 2-die body, the die cavity core rod of 3-die, 4-lower limit cushion block, 5-principal arm, 6-auxiliary, 7-tooth is fanned, 8-workpiece, 9-material returned spring, 10-location-plate, 11-counterdie backing plate, 12-base thickness, 13-interference region, the die body that 42-is traditional, 48-workpiece, 51-5 spot diameter is 5 millimeters of riveting points, and 61-5 spot diameter is 16 millimeters of riveting points, and A-diameter is the reference circle of 22 millimeters, B-diameter is 38 millimeters, and C-diameter is 16 millimeters, and D-diameter is 8 millimeters.
Detailed description of the invention
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model needs matched in clearance make to take up room and rivet low precision for rivet in prior art, swing and motion abnormal sound and welding can be produced unsightly and gap is also excessive after assembling finished product, easily cause master arm and tooth fan between the problem of looseness, there is provided a kind of without rivet die assembly, die arranges the multiple through holes presetting processing diameter, save the processing space of mould, principal arm and auxiliary revolution link position small space on can apply, simultaneously without the workpiece appearance looks elegant of rivet, and the base thickness value of workpiece can be regulated by the projection on die cavity core rod, make the stable case of easy control connection, also improve the precision without rivet.
As shown in Figure 1, the utility model embodiment without rivet die assembly, comprising:
The die body 2 of the cylinder type matched with standard punch 1 mould without rivet, the center of wherein said die body 2 is provided with an alignment pin through hole;
Be distributed in multiple through holes of the default processing diameter around described alignment pin through hole;
Wherein said distribution refers to and is uniformly distributed.
Wherein said multiple through hole is undertaken arranging default processing diameter by user to realize, and the number of described multiple through hole can by setting according to the demand of processing work 8.
Described default processing diameter refers to the machining hole diameter directly determining processing work 8 riveting point diameter, can set according to industrial requirement, because the difference of workpiece 8 makes the dimensional requirement just difference arranged, scheme of the present utility model can with traditional standard die consistent size, traditional adaptable scene of standard die can be realized like this, there is versatility.
Be embedded in the dismountable die cavity core rod 3 in each described through hole respectively, wherein said die cavity core rod 3 has the projection of the adjustment height of an adjustment processing work 8 base thickness value;
Wherein said die cavity core rod 3 is in each through hole of dismountable embedding, and convenient so unified manufacture, also realizes the design of 5 die cavity combined integrate dies.
Wherein said adjustment height refers to can according to process requirements when manufacturing die cavity core rod 3 protruding, the adjustment processing of size can be carried out, die modification and processing size compared with traditional entirety is convenient, and can unify to manufacture multiple die cavity core rod 3, ensure that workpiece 8 riveting point base thickness value (riveting point chamber inner bottom part one-tenth-value thickness 1/10, riveting process controling parameters) uniformity, and be more conducive to later stage connector riveting point base thickness value control adjustment, to guarantee the tensile strength requirement of connector, not only rivet precision high, and quality controllability is good, reliability is high simultaneously, also easy grasp easy to learn.
The cylinder of described die body 2 comprises: the first cylinder and be less than the second cylinder of described first cylinder diameter, wherein said first cylinder is coaxially arranged on described second cylinder and forms step cutting pattern, and is positioned at described second cylindrical edge and is evenly distributed with and installs fixing multiple installing holes.
Wherein said multiple installing hole can be three installing holes, because 3 are uniformly distributed more stable and firm, other fixing installing hole numbers also belong to protection domain of the present utility model.
The step cutting pattern of described die body 2 is also to meet the structure coordinated with other processing parts.
Load in five through holes on die by dismountable five same die cavity core rods 3, and the projection of the die cavity core rod 3 that can regulate is to control the numerical value of base thickness 12, also can realize multiple spot without rivet, and riveted joint base thickness value identical, improve the precision without rivet.
5 spot diameters are that the design of 8 millimeters of D die cavity integral concave moulds is high to cavity dimension precision coherence request, and traditional 5 to process not only difficulty large, and processing technology difference and manufacturing cost high.5 spot diameters are as shown in Figures 3 to 55 millimeters of riveting points 51, adopt the single-point riveting process mode of pointwise riveted joint, realize rotational workpieces 8 one by one on die, carry out 5 riveted joints, but not only positioning precision is poor, and riveting quality is poor, the difficulty of riveting process workpiece 8 loading and unloading simultaneously, also the production efficiency making the single-piece staking process time grow is low, therefore the utility model embodiment without in rivet die assembly, have the position limiting structure coordinated between each through hole with described die cavity core rod 3, wherein said position limiting structure comprises:
The shaft section of described die cavity core rod 3 is inverted T shape structure, and wherein said inverted T shape structure is that two cylinders of different-diameter coaxially arrange the shaft section forming step, and wherein said projection is arranged at the top of the described structure of falling T;
By being be installed in the through hole of die by five die cavity core rods 3, after there is position limiting structure, can keep in through-holes, positioning precision is high, the difficulty of riveting process workpiece 8 loading and unloading simultaneously, has also saved the activity time of single-point riveted joint, and a multiple spot riveted joint makes production efficiency improve.
And each described through hole has the pass matched with the inverted T shape structure of described die cavity core rod 3.
Wherein said projection is arranged at the top of described inverted T shape structure, the opening part of namely die contact processing work 8.Bottom and the through hole pass of inverted T shape structure match, for when being subject to standard punch 1 and pressing down, inverted T shape structure moves down and lower limit cushion block 4 is moved down, by the elastic force of material returned spring 9, lower limit cushion block 4 is moved upward in off working state, inverted T shape structure is stuck in the through hole of the inverted T shape structure matched, limit the position moved up, utilize Embedded like this position limiting structure, greatly reduce Making mold difficulty, and be more conducive to later stage connector riveting point height and the adjustment of base thickness value, to guarantee the tensile strength requirement of connector, not only can meet the engaging of die cavity core rod 3 simultaneously, and facilitate die cavity core rod 3 mobile processing work 8 in through-holes.
Concrete, the utility model embodiment without in rivet die assembly, the described default processing diameter of each described through hole be 6 millimeters within the scope of 9 millimeters.
In order to realize can being consistent with traditional machining functions, therefore the preferred each described through hole of the utility model described default processing diameter be 8 millimeters of D.As shown in Figure 3 and Figure 4, this programme only gets the processing diameter of the inside of traditional die body 42 mold insert structure, carrys out processing work 48, has saved unnecessary space around.
Concrete, the utility model embodiment without in rivet die assembly, the number of multiple described through hole is in the scope of 2 to 6.
In order to apply at narrow space, therefore the number of the preferred described multiple described through hole of the utility model is 5, automobile glass lifter tooth fan 7 can be applied in master arm (as Fig. 7, shown in Fig. 8 and Fig. 9) 5 be uniformly distributed riveted joint place (workpiece 8 of as shown in Figure 25 align with 5 of die carry out riveted joint process), therefore the number of multiple through hole of needing to match is five, corresponding each riveted joint place can utilize the cooperation processing work 8 of through hole and die cavity core rod 3 like this, other any numbers that directly can arrange through hole by this programme on die all belong to protection domain of the present utility model.
Traditional standard mold cores (diameter is 8 millimeters of embedding fit diameter of D female die embedding is 16 millimeters of C) without rivet device fabrication unit is provided, 5 spot diameters are the minimum annular spread of die core rod of 16 millimeters of C riveting points 16, reference diameter is excessive (as shown in Figure 6, make the interference region 13 produced), do not meet the requirement of riveted joint accessory size, if but reducing standard die, to inlay diameter be 16 millimeters of C, the mechanical strength of core rod cannot be ensured, therefore the utility model embodiment without in rivet die assembly, the calibration diameter of a circle that the center of circle of 5 described through holes is formed is 22 millimeters.
The utility model 5 die cavity combined integrate concave die designs, organically combine Compound die design structure, achieving distribution 5 diameters in the reference circle A diameter that diameter is 22 millimeters is the requirement of 16 millimeters of C core rods, ensure that 5 die cavity geometric accuracy uniformity and intensity.
The utility model is by being evenly arranged 5 through holes, guarantee the uniformity of connector 5 riveting point base thickness values, improve the outside anti-extrusion ability of mould, achieving at diameter is the reference circle A of 22 millimeters, maximum space size diameter is the product requirement that 38 millimeters of B rivet at 5, and can keep the uniformity with traditional processing technology.
Realize whole workpiece 8 complete machining to die be carried out application, therefore the utility model embodiment without in rivet die assembly, also comprise:
Be arranged at the working part below described die body 2, wherein said working part comprises the lower limit cushion block 4 for pushing described die cavity core rod 3;
Be arranged at the counterdie backing plate 11 below described lower limit cushion block 4;
Be arranged at the location-plate 10 between described counterdie backing plate 11 and described lower limit cushion block 4; And
Be compassingly set at the material returned spring 9 on described lower limit cushion block 4.
Traditional 5 concave die cavity difficulty of processing large (electric machining, glossing) without riveted joint nail riveting die set, low precision, uniformity difference (causing mould unbalance stress in riveting process) and manufacturing cost high.And adopt the combined type of core at the bottom of integral concave mould 5 die cavity and die cavity to design, and adopt material returned spring 9 and lower limit cushion block 4 material returned mode (Fig. 8), achieve and conveniently manufacture processing, also there is processing technology good, easy processing (Linear cut and glossing and Conventional processing methods), the advantage such as the high and processing cost of machining accuracy is low.
5 riveting points of the present utility model have once been riveted and have been made production efficiency high, develop novel multiple spot circular combined without rivet Mould design and manufacturing experience.For having laid good basis without rivet technology in the expanded application of lifter manufacture and other field from now on.More this technology of easily extensible is in the application of lifter production technology, as: the riveted joint of major-minor arm 6 and the application of small space in fork arm type equal product.
Being exemplified below of riveted joint joined by concrete enforcement of the present utility model each part as shown in Figure 10 to Figure 12.
When standard punch 1 comes downwards to two pieces workpiece 8 by riveting, continue descending and embed by riveted joint workpiece 8, two layers of workpiece 8 are forced to open up Deformation Flow along part standard punch 1 and die body 2 gap drawing, to embed the die cavity core rod 3 of die body 2 in the lump, the lower limit cushion block 4 be against on location-plate 10 is pushed into counterdie backing plate 11 transfixion; Standard punch 1 continues descendingly to force between standard punch 1 and die cavity core rod 3 materials at two layers and surrounding flow growth downwards.Because standard punch 1 continues descending, force the flowing downward in the cannelure that grows to and formed between die cavity bed die umbo and die body 2 chamber make workpiece 8 by thick thinning to the surrounding compressing subsurface material that extends of the more materials of the top plate of two layers of workpiece 8, when thickness thinning reaches specific thickness requirement, (base thickness value is according to the test of riveted joint workpiece 8 pull-off strength, reaches requirement and determines.Pressure when riveting equipment reaches base thickness value by the test of riveted joint workpiece 8 pull-off strength is arranged, and control appliance is descending, stop, exiting.) the descending stopping of standard punch 1 and up deviate from by the workpiece 8 of riveting, lower limit cushion block 4 and material returned spring 9 resilience promote female bottom die cavity core rod 3 and workpiece 8 riveting point are held out die body 2, and riveting work completes.
Without the riveting point of rivet technical battery fitting, be stressed simultaneously and force material self downward, the gapless riveting technology of the flowing formation rivet that extends to surrounding.The having gapless without rivet technology, without slippage, do not damage by riveted joint workpiece 8 face coat of this programme, appearance looks elegant quality is good, good product consistency, and controllability is good, the advantage that reliability is high.
The above is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. without a rivet die assembly, it is characterized in that, comprising:
The die body (2) of the cylinder type matched with standard punch (1) mould without rivet, the center of wherein said die body (2) is provided with an alignment pin through hole;
Be distributed in multiple through holes of the default processing diameter around described alignment pin through hole;
Be embedded in the dismountable die cavity core rod (3) in each described through hole respectively, wherein said die cavity core rod (3) has the projection of the adjustment height of adjustment processing work (8) base thickness value;
The cylinder of described die body (2) comprising: the first cylinder and be less than the second cylinder of described first cylinder diameter, wherein said first cylinder is coaxially arranged on described second cylinder and forms step cutting pattern, and is positioned at described second cylindrical edge and is evenly distributed with and installs fixing multiple installing holes.
2. according to claim 1ly it is characterized in that without rivet die assembly, have the position limiting structure coordinated between each through hole with described die cavity core rod (3), wherein said position limiting structure comprises:
The shaft section of described die cavity core rod (3) is inverted T shape structure, and wherein said inverted T shape structure is that two cylinders of different-diameter coaxially arrange the shaft section forming step, and wherein said projection is arranged at the top of the described structure of falling T; And
Each described through hole has the pass matched with the inverted T shape structure of described die cavity core rod (3).
3. according to claim 1ly to it is characterized in that without rivet die assembly, the described default processing diameter of each described through hole be 6 millimeters within the scope of 9 millimeters.
4. according to claim 1 or 3 without rivet die assembly, it is characterized in that, the number of multiple described through hole is in the scope of 2 to 6.
5. according to claim 4ly to it is characterized in that without rivet die assembly, the calibration diameter of a circle that the center of circle of 5 described through holes is formed be 20 millimeters within the scope of 24 millimeters.
6. according to claim 1ly to it is characterized in that without rivet die assembly, also comprise:
Be arranged at the working part of described die body (2) below, wherein said working part comprises the lower limit cushion block (4) for pushing described die cavity core rod (3);
Be arranged at the counterdie backing plate (11) of described lower limit cushion block (4) below;
Be arranged at the location-plate (10) between described counterdie backing plate (11) and described lower limit cushion block (4); And
Be compassingly set at the material returned spring (9) on described lower limit cushion block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420681719.1U CN204234597U (en) | 2014-11-14 | 2014-11-14 | A kind of without rivet die assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420681719.1U CN204234597U (en) | 2014-11-14 | 2014-11-14 | A kind of without rivet die assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204234597U true CN204234597U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420681719.1U Expired - Fee Related CN204234597U (en) | 2014-11-14 | 2014-11-14 | A kind of without rivet die assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204234597U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716742A (en) * | 2017-11-01 | 2018-02-23 | 上海和达汽车配件有限公司 | A kind of frock for the 5 points of rivetings of fascia board girder part |
| CN109967634A (en) * | 2019-04-30 | 2019-07-05 | 苏州市海杰钣金有限公司 | Sheet metal component TOX riveting equipment |
-
2014
- 2014-11-14 CN CN201420681719.1U patent/CN204234597U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716742A (en) * | 2017-11-01 | 2018-02-23 | 上海和达汽车配件有限公司 | A kind of frock for the 5 points of rivetings of fascia board girder part |
| CN109967634A (en) * | 2019-04-30 | 2019-07-05 | 苏州市海杰钣金有限公司 | Sheet metal component TOX riveting equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200430 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Patentee after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Patentee before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20211114 |