CN203900591U - Breakup preventing device for machining of heteromorphic thin-wall nylon piece - Google Patents
Breakup preventing device for machining of heteromorphic thin-wall nylon piece Download PDFInfo
- Publication number
- CN203900591U CN203900591U CN201420213406.3U CN201420213406U CN203900591U CN 203900591 U CN203900591 U CN 203900591U CN 201420213406 U CN201420213406 U CN 201420213406U CN 203900591 U CN203900591 U CN 203900591U
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- China
- Prior art keywords
- clamp body
- workpiece
- workbench
- slot
- breakup
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- 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 - Lifetime
Links
- 239000004677 Nylon Substances 0.000 title claims abstract description 18
- 229920001778 nylon Polymers 0.000 title claims abstract description 18
- 238000003754 machining Methods 0.000 title abstract description 7
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 238000005336 cracking Methods 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 9
- 239000000945 filler Substances 0.000 abstract 4
- 238000003801 milling Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 230000009172 bursting Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a breakup preventing device for machining of a heteromorphic thin-wall nylon piece. The breakup preventing device comprises a T-shaped groove workbench and a clamp body, wherein the clamp body is fixed onto the T-shaped groove workbench through a first bolt, a first nut, a first heel block, and a first press plate on the T-shaped groove workbench ; a workpiece positioning groove matched with a workpiece in shape is arranged on the clamp body; a filler block corresponding to the workpiece positioning groove on the clamp body is arranged; the filler block comprises a rectangular clamping cavity and a supporting surface matched with the workpiece inner cavity; the filler block is fixed onto the T-shaped groove workbench through a second bolt, a second nut, a second heel block, and a second press plate on the T-shaped groove workbench; the second press plate is arranged pressing the wall of the rectangular clamping cavity of the filler block. The breakup preventing device combines the clamp body and the positioning piece, optimizes the manner of positioning clamping, simplifies the structure to the maximum degree, changes the normal line contact clamping manner to an area contact clamping manner, increases the contact area, controls the clamping deformation, reduces machining deformation, and prevents the phenomenon of breakup of the heteromorphic thin-wall nylon edge and corner.
Description
Technical field
The utility model relates to the anti-cracking device in a kind of special-shaped thin wall nylon part processing, specifically refers to be applicable to the anti-cracking device of the special-shaped thin wall nylon in Milling Processes, belongs to mechanical processing technique equipment technology field.
Background technology
Nylon is a kind of thermoplastic engineering plastic of at present both at home and abroad extensive use, has chemical-resistant resistance, oil resistant, wear-resisting, self-lubricating, is easy to a series of excellent properties such as moulding.But there is the shortcomings such as melt viscosity is low, fragility is large in it, the clamping difficulty of thin-wall part is large in mechanical processing process, and chucking power greatly part is easily out of shape, and the little parts fixation of chucking power is unstable.Process in addition Elastic large, easily bursting apart in the corner of thin-wall part, causes loss due to spoiled work.Need to seek a kind of clamping method of nylon thin-wall part for this reason, solve the corner problem of easily bursting apart.
Summary of the invention
The purpose of this utility model is exactly easily to occur for special-shaped thin wall nylon part work in-process the phenomenon of bursting apart in corner, provide a kind of simple in structure, easy to use, make the anti-cracking device in special-shaped thin wall nylon part quick, with low cost processing, this device not only can improve the once friendship inspection qualification rate of part, can significantly improve work efficiency, reduce integrated cost simultaneously, ensure machining accuracy and product quality, improve operator's labour intensity.
The utility model is achieved through the following technical solutions: the anti-cracking device in special-shaped thin wall nylon part processing of the present utility model comprises T-slot workbench, clamp body, clamp body is fixed on T-slot workbench by the first bolt on T-slot workbench, the first nut and the first cushion block, the first pressing plate, has the workpiece locating slot mating with workpiece profile on clamp body; If with the pad that on clamp body, workpiece locating slot is corresponding, pad comprises rectangle clamping chamber, the supporting surface mating with workpiece lumen, pad is fixed on T-slot workbench by the second bolt on T-slot workbench, the second nut and the second cushion block, the second pressing plate, and the second pressing plate is pressed on the wall in rectangle clamping chamber of pad.
Described clamp body comprises the workpiece locating slot at middle part, has the cutter arc groove of stepping down on the step of the place of workpiece locating slot, has pressing plate step in both sides, clamp body top, has bolt open slot on pressing plate step.
Described workpiece locating slot is circular arc locating slot.
Described pad comprises rectangle clamping chamber, the supporting surface mating with workpiece lumen and the cutter arc surface of stepping down.
Advantage of the present utility model: the utility model unites two into one clamp body and location, optimum position installation way, simplified structure to greatest extent, change common line contact installation way into face contact installation way, increase contact area, control clamping deformation, reduced machining deformation, thereby prevented the phenomenon of bursting apart of special-shaped thin wall nylon corner work in-process.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model for sleeping milling.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the structural representation of the utility model for vertical milling.
Fig. 4 is the plan structure schematic diagram of Fig. 3.
Fig. 5 is clamp body structural representation.
Fig. 6 is the side-looking structural representation of Fig. 5.
Fig. 7 is the top view of Fig. 5.
Fig. 8 is the structural representation of pad.
Fig. 9 is the side-looking structural representation of Fig. 8.
Figure 10 is the top view of Fig. 8.
Figure 11 is the structural representation of workpiece.
Figure 12 is the side-looking structural representation of Figure 11.
Figure 13 is the top view of Figure 11.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Taking Figure 11～13 1, kind of representational fan-shaped thin-walled nylon part workpiece 13 is as example: workpiece 13 is made up of circular arc outer mold surface 13a, special-shaped arc surface 13b, interior profile 13c, fillet surface 13d.
Be used for sleeping milling as example taking Fig. 1, Fig. 2: the anti-cracking device of a kind of special-shaped thin wall nylon part processing of the present utility model, comprise T-slot workbench, clamp body, clamp body 1 is fixed on T-slot workbench by the first bolt 4 on T-slot workbench 3, the first nut 8 and the first cushion block 6, the first pressing plate 7, has the workpiece locating slot 1a mating with workpiece profile on clamp body 1; If with the pad 2 that on clamp body 1, workpiece locating slot 1a is corresponding, pad 2 comprises rectangle clamping chamber 2a, the supporting surface 2b mating with workpiece lumen, pad 2 is fixed on T-slot workbench 3 by the second bolt 5 on T-slot workbench 3, the second nut 11 and the second cushion block 9, the second pressing plate 10, and the second pressing plate 10 is pressed on the wall of rectangle clamping chamber 2a of pad 2.
Fig. 5～Fig. 7 clamp body structural representation:
Clamp body 1 comprises the workpiece locating slot 1a at middle part, has the cutter arc groove 1b that steps down on the place step of workpiece locating slot 1a, has pressing plate step 1d in clamp body 1 both sides, top, has bolt open slot 1c on pressing plate step 1d.Workpiece locating slot 1a is the circular arc locating slot adapting to workpiece profile.
Fig. 8～Figure 10 is the structural representation of pad: pad 2 comprises rectangle clamping chamber 2a, the supporting surface 2b mating with workpiece lumen and the cutter arc surface 2c that steps down.
As 1, as shown in Fig. 2, workpiece 13 packs in the workpiece locating slot 1a in clamp body 1, pad 2 is contained in workpiece 13, and the second pressing plate 10 is pressed on the rectangle clamping chamber 2a wall in pad 2, is fastened on T-slot workbench 3 by the second bolt 5, the second nut 11 and the second cushion block 9.The first pressing plate 7 is pressed on the pressing plate step 1d on clamp body 1, and the first bolt 4, through bolt open slot 1c, compresses the first pressing plate 7 by the first nut 8 and the first cushion block 6, and clamp body 1 is fixed on T-slot workbench 3.Clamp body 1 is provided with the arc groove 1b that steps down that dodges cylindrical bar milling cutter 12, cylindrical bar milling cutter 12 clampings are on sleeping milling or horizontal Machining centers, special-shaped arc surface 13b to workpiece 13 processes, the workpiece locating slot 1a of the circular arc outer mold surface 13a of workpiece 13 and clamp body 1 reliably fits together, cylindrical bar milling cutter 12 is in the time of Milling Process, the cutting force of workpiece 13 is distributed evenly on the locating slot 1a on clamp body 1, workpiece 13 is stressed evenly, thereby avoid workpiece 13 that strain occurs, prevent the phenomenon of bursting apart, guarantee crudy.
Fig. 3, Fig. 4 are the structural representation of the utility model for vertical milling.
Workpiece 13 packs in the workpiece locating slot 1a in clamp body 1, and pad 2 is contained in workpiece 13, and the second pressing plate 10 is pressed on the rectangle clamping chamber 2a wall in pad 2, is fastened on T-slot workbench 3 by the second bolt 5, the second nut 11 and the second cushion block 9.In like manner, clamp body 1, by the first bolt 4 and the first nut 8, is fixed on clamp body 1 on T-slot workbench 3.Cylindrical bar milling cutter 12 clampings are in vertical milling or vertical machining centre, cylindrical bar milling cutter 12 cutting tips carry out grinding by the fillet surface 13d angle of workpiece 13, the workpiece locating slot 1a of the circular arc outer mold surface 13a of workpiece 13 and clamp body 1 reliably fits together, cylindrical bar milling cutter 12 is in the time of Milling Process, the cutting force of workpiece 13 is distributed evenly on the workpiece locating slot 1a on clamp body 1, and workpiece 13 is stressed evenly, thereby avoids workpiece 13 that strain occurs, prevent the phenomenon of bursting apart, guarantee crudy.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation form, all in protection domain of the present utility model.
Claims (4)
1. the anti-cracking device in a special-shaped thin wall nylon part processing, comprise T-slot workbench, clamp body, it is characterized in that: it is upper that clamp body (1) is fixed on T-slot workbench (3) by the first bolt (4) on T-slot workbench (3), the first nut (8) and the first cushion block (6), the first pressing plate (7), has the workpiece locating slot (1a) mating with workpiece profile on clamp body (1); Pad (2) is corresponding with the upper workpiece locating slot (1a) of clamp body (1), pad (2) comprises rectangle clamping chamber (2a), the supporting surface (2b) mating with workpiece lumen, it is upper that pad (2) is fixed on T-slot workbench (3) by the second bolt (5) on T-slot workbench (3), the second nut (11) and the second cushion block (9), the second pressing plate (10), and the second pressing plate (10) is pressed on the wall in rectangle clamping chamber (2a) of pad (2).
2. the anti-cracking device in special-shaped thin wall nylon part processing according to claim 1, it is characterized in that: clamp body (1) comprises the workpiece locating slot (1a) at middle part, on the place step of workpiece locating slot (1a), there is the cutter arc groove (1b) of stepping down, there is pressing plate step (1d) in clamp body (1) both sides, top, on pressing plate step (1d), have bolt open slot (1c).
3. the anti-cracking device in special-shaped thin wall nylon part processing according to claim 1 and 2, is characterized in that: workpiece locating slot (1a) is circular arc locating slot.
4. the anti-cracking device in special-shaped thin wall nylon part according to claim 1 and 2 processing, is characterized in that: pad (2) comprises rectangle clamping chamber (2a), the supporting surface (2b) mating with workpiece lumen and the cutter arc surface (2c) of stepping down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213406.3U CN203900591U (en) | 2014-04-29 | 2014-04-29 | Breakup preventing device for machining of heteromorphic thin-wall nylon piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213406.3U CN203900591U (en) | 2014-04-29 | 2014-04-29 | Breakup preventing device for machining of heteromorphic thin-wall nylon piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203900591U true CN203900591U (en) | 2014-10-29 |
Family
ID=51774882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420213406.3U Expired - Lifetime CN203900591U (en) | 2014-04-29 | 2014-04-29 | Breakup preventing device for machining of heteromorphic thin-wall nylon piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203900591U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746521A (en) * | 2018-12-17 | 2019-05-14 | 贵州黎阳国际制造有限公司 | A kind of large thin-wall Work treatment installation and processing method with U-loop slot |
| CN110026795A (en) * | 2019-05-07 | 2019-07-19 | 瑞鹄汽车模具股份有限公司 | A kind of workpiece NC processing and loading clamp cushion block and the clamping method using the cushion block |
| CN112589168A (en) * | 2020-12-02 | 2021-04-02 | 航天科工哈尔滨风华有限公司 | Method for machining inner cavity of special-shaped thin-wall cabin section |
-
2014
- 2014-04-29 CN CN201420213406.3U patent/CN203900591U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746521A (en) * | 2018-12-17 | 2019-05-14 | 贵州黎阳国际制造有限公司 | A kind of large thin-wall Work treatment installation and processing method with U-loop slot |
| CN110026795A (en) * | 2019-05-07 | 2019-07-19 | 瑞鹄汽车模具股份有限公司 | A kind of workpiece NC processing and loading clamp cushion block and the clamping method using the cushion block |
| CN110026795B (en) * | 2019-05-07 | 2020-07-07 | 瑞鹄汽车模具股份有限公司 | Workpiece NC machining clamping cushion block and clamping method using cushion block |
| CN112589168A (en) * | 2020-12-02 | 2021-04-02 | 航天科工哈尔滨风华有限公司 | Method for machining inner cavity of special-shaped thin-wall cabin section |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |
|
| CX01 | Expiry of patent term |