CN1194841C - Laterally edging process and die for box-type plastic parts - Google Patents
Laterally edging process and die for box-type plastic parts Download PDFInfo
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- CN1194841C CN1194841C CNB011146826A CN01114682A CN1194841C CN 1194841 C CN1194841 C CN 1194841C CN B011146826 A CNB011146826 A CN B011146826A CN 01114682 A CN01114682 A CN 01114682A CN 1194841 C CN1194841 C CN 1194841C
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Abstract
The present invention relates to lateral edge cutting technology of a box type plastic piece, and an edge cutting mould thereof. The edge cutting technology has the advantages of convenient operation and high production efficiency, and solves the problem of removing leftover materials during the process of edge cutting of manufacture pieces so that the lateral edge cutting of the circumference of the box type piece can be realized. In the lateral edge cutting mould of the box type plastic piece, an upper mould and a lower mould are combined with a guide sleeve 7 through a guide post 9; the upper mould is provided with a lateral edge cutting device, and the lower mould is provided with a discharging device; the installation and the adjustment of the mould are simple and easy.
Description
Technical field
The present invention relates to trimming technology and shaving die, relate in particular to a kind of box-type plastic spare lateral trimming technology and shaving die.
Background technology
At present, the part so that the vacuum forming forming technology is produced generally all needs the processing of cutting edge.In refrigerator was in the past produced, its plastic-absorbing component only need carry out vertical direction cut edge, and the shaving die structure is very simple.Yet, in the project research of carrying out " refrigerator plastic uptake door face board ", but run into side direction (horizontal direction) the side cut problem all around of box type spare.Although the appearance and modeling of refrigerator door plank has nothing in common with each other, the always typical box type part of its structure.For the lateral trimming of box-type plastic spare, present method is: perhaps adopt manual mode to cut edge, perhaps adopt the numerical control special plane to cut edge.The former inefficiency labour intensity height only is adapted to small lot batch manufacture; Though latter's technology is advanced, equipment investment is very big, and production efficiency is also not very too high.
Summary of the invention
The object of the present invention is to provide a kind of lateral trimming technology and shaving die of box-type plastic spare, can overcome the shortcoming of prior art, highly efficient in productivity, and investment is little.
The objective of the invention is to be achieved through the following technical solutions: a kind of lateral trimming technology of box-type plastic spare is characterized in that step is as follows:
1) at first, mould is installed on hydraulic press or the punch press, promptly lower bolster 1 clamping is on the workbench of equipment, and cope match-plate pattern 13 clampings are in the slide block bottom surface of equipment, and adjust the equipment ram travel;
2) will be placed on counterdie locating piece 18 and the stripper 3 through the workpiece that plastic uptake is shaped;
3) start hydraulic press or punch press, patrix is with the equipment slide block down, and template 8 at this moment, pushes away under stripper 3 quilts with till guide pin bushing 7 contacts in continuing up to, and 11 pairs of workpiece of material pressing device play pressuring action, and the workpiece lumen card is tightly on locating piece 18;
4) cope match-plate pattern 13 continues descending with the equipment slide block, flexible member 12 is compressed, voussoir 10 is descending thereupon, horizontal direction promotion movable blade piece 14 moves inwards workpiece is sheared, meanwhile liftout plate 5 is with the rim charge part motion inwards of workpiece, workpiece is separated into part A and rim charge C two parts in the B-B position, finishes shearing workpiece;
5) when cope match-plate pattern 13 stops to move downward, adjacent activities cutter piece 14 also just contacts at the declivous cutting edge at product sidewall bight place, finishes crowded cutting to each bight of product sidewall from action;
6) slide block of equipment arrives after bottom dead center, and then drive the up backhaul of top mold frame, voussoir 10 is up thereupon, but middle template 8 still keeps motionless under the elastic force effect of flexible member 12, so movable blade piece 14 outwards moves along horizontal direction, and liftout plate 5 ejects the rim charge C of workpiece the cutting edge of dead knife piece 15 under the elastic force effect of flexible member 6;
7) behind the cope match-plate pattern 13 backhaul certain distances, template moves upward together in the drive, and stripper 3 also moves upward simultaneously, after stripper touches workpiece, workpiece is released the locating piece 18 and the dead knife piece 15 of counterdie;
8) when the backhaul of equipment slide block to after top dead center, part A and rim charge C are taken out from counterdie, finish a working cycles.
Lateral trimming mould according to a kind of box-type plastic spare provided by the invention comprises patrix and counterdie, and described patrix and counterdie combine by guide pillar 9 and guide pin bushing 7, it is characterized in that described patrix has the lateral trimming device, and described counterdie has device for discharging.
Lateral trimming mould according to box-type plastic spare provided by the invention is characterized in that, described trimming device comprises middle template 8, voussoir 10, material pressing device 11, movable blade piece 14, guide rail 17, briquetting 2, flexible member 12 and 19; Template 8 hangs on the cope match-plate pattern 13 by bolt 20 in described, and has and can make the pilot hole that moves both vertically up and down along guide pillar 9; Described guide rail 17 is fixed on the middle template 8; The movable blade piece 14 that can make horizontal motion is in guide rail 17; Described material pressing device 11 studs with flexible member, and is fixed on the middle template 8; Described briquetting 2 is fixed on the middle template 8 by guide rail 17; Described voussoir 10 is fixed on the cope match-plate pattern 13, and the through hole on the template 8 and movable blade piece 14 contact as sliding bevel in passing.
Lateral trimming mould according to box-type plastic spare provided by the invention is characterized in that, described device for discharging comprises stripper 3, liftout plate 5, dead knife piece 15, support 16 and locating piece 18; Described stripper 3 links together by flexible member 4 and lower bolster 1, and described dead knife piece 15 and locating piece 18 are fixed on the support 16, and described liftout plate 5 is connected together by flexible member 6 and support 16, and 16 on described support is fixed on the lower bolster 1.
Implement box-type plastic spare lateral trimming technology provided by the invention and shaving die, its advantage is: easy to operate, production efficiency is high, adapts to the large batch of mode of production; Compare with the numerical control special plane, the expense of the mould of Sheng Chaning is much cheap in this way; Only need to use common hydraulic press or punch press, and these equipment in general refrigerator manufacturing firm all have, thereby can make full use of device resource; The installation of mould, adjustment are simply easily, and be less demanding to peopleware.
Description of drawings
Below in conjunction with drawings and Examples, the present invention is further illustrated, in the accompanying drawing:
Fig. 1 is the structural representation of box-type plastic spare of the present invention;
Fig. 2 is the two box type workpiece figures of sheet plastic of the present invention after the vacuum forming hot forming;
Fig. 3 is the front view of shaving die structural principle of the present invention;
Fig. 4 is the left view of shaving die structural principle of the present invention;
Fig. 5 is the upward view of shaving die structural principle of the present invention.
The specific embodiment
The structural representation (stereogram) of box plastic part as shown in Figure 1, this part are to utilize sheet plastic to form through the vacuum forming hot forming and after cutting edge.The workpiece that vacuum forming is shaped can be single-casing-type, two box type or many boxes type.The two box type workpiece of sheet plastic as shown in Figure 2 after the vacuum forming hot forming, this workpiece need from the B-B position side to carrying out cutting and separating, thereby obtain box type part A and rim charge C two parts of shape shown in Figure 1.How part A gets rid of rim charge C with after rim charge C separates, and this is a key point of the present invention.Be example with two box-type plastic spares shown in Figure 2 now, the basic principle of its perimeter sides to trimming technology is described, step is as follows:
1) at first, mould is installed on hydraulic press or the punch press, and promptly lower bolster 1 clamping is on the workbench of equipment, and cope match-plate pattern 13 clampings are in the slide block bottom surface of equipment, and adjust the equipment ram travel.
2) will put on counterdie locating piece 18 and the stripper 3 through the workpiece that plastic uptake is shaped.
3) when cope match-plate pattern 13 during with the equipment slide block down, guide pillar 9 enters among the guide pin bushing 7, and upper and lower mould is played accurate guide effect; Then briquetting 2 touches the stripper 3 of lower bolster 1, because flexible member 12 has certain precompression and its rigidity to be much higher than the rigidity of flexible member 4, flexible member 4 is compressed, and stripper 3 down moves with cope match-plate pattern 13; Behind stripper 3 descending certain strokes, material pressing device 11 begins to touch the workpiece end face, and workpiece is promoted downwards.Till said process continues up to middle template 8 and guide pin bushing 7 contacts.In the middle of template 8 when contacting with guide pin bushing 7, so 8 position-limiting actions of guide pin bushing 7 centering templates are middle template 8 and be installed in parts such as guide rail 17 on the middle template, movable blade piece 14 and all stop descending; At this moment, 11 pairs of workpiece of material pressing device play pressuring action, and the workpiece lumen card is tightly on locating piece 18.
4) cope match-plate pattern 13 continues descending with the equipment slide block, flexible member 12 is compressed, the motion inwards in the horizontal direction of voussoir 10 descending promotion movable blade pieces 14 this moment, 14 pairs of workpiece of movable blade piece play shear action, meanwhile flexible member 6 is compressed, liftout plate 5 is with the rim charge part motion inwards of workpiece, so workpiece is separated into part A and rim charge C two parts as shown in Figure 2 in the B-B position.
5) when the limited step of guide pillar 9 contacts with middle template 8, the equipment slide block just arrives bottom dead centre, then top mold frame stop to move downward, at this moment, adjacent activities cutter piece also just contacts at the declivous cutting edge at product sidewall bight place, finishes crowded cutting to each bight of product sidewall from action.
6) slide block of equipment arrives after bottom dead center, and then drives cope match-plate pattern 13 up backhauls, and template 8 still contacts with guide pin bushing 7 under the pressure effect of flexible member 12 in this moment, keeps transfixion; With seeing that voussoir 10 is up, movable blade piece 14 outwards moves along horizontal direction under the elastic force effect of flexible member 19 and 21; And liftout plate 5 ejects the cutting edge of dead knife piece 15 with the rim charge C of workpiece under the elastic force effect of flexible member 6, thereby has solved workpiece rim charge card under the cutter piece cutting edge and a difficult problem that can't discharging.
7) behind the cope match-plate pattern 13 backhaul certain distances, the step of bolt 20 contacts with middle template 8, and template 8 is up in the drive, and material pressing device 11 breaks away from workpiece, and stripper 3 moves upward under the elastic force effect of flexible member 4 simultaneously; After stripper 3 touches workpiece, workpiece is released the locating piece 18 and the dead knife piece 15 of lower bolster 1.
8) when the backhaul of equipment slide block to after top dead center, part A and rim charge C are taken out from counterdie, finish a working cycles.
Trimming technology of the present invention is to embody by concrete shaving die, structural principle schematic diagram as Fig. 3, Fig. 4, shaving die shown in Figure 5, comprise cope match-plate pattern 13 and lower bolster 1, described cope match-plate pattern 13 and lower bolster 1 combine by guide pillar 9 and guide pin bushing 7, the guide pillar guide pin bushing is except that playing the guiding role, the position-limiting action of also having held concurrently, described cope match-plate pattern 13 is provided with the lateral trimming device, and described lower bolster 1 is provided with device for discharging.
Described trimming device comprises middle template 8, voussoir 10, material pressing device 11, movable blade piece 14, guide rail 17 and briquetting 2, flexible member 12 and 19; Template 8 hangs on the cope match-plate pattern 13 by bolt 20 in described, and has and can make the pilot hole that moves both vertically up and down along guide pillar 9; Described guide rail 17 is fixed on the middle template; The movable blade piece 14 that can make horizontal motion is in guide rail 17; Described material pressing device 11 studs with flexible member, and is fixed on the middle template 8; Described briquetting 2 is fixed on the middle template 8 by guide rail 17; Described voussoir 10 is fixed on the cope match-plate pattern 13, and the through hole on the template 8 and movable blade piece 14 contact as sliding bevel in passing; Described flexible member 12 has certain precompression and its rigidity to be far longer than the rigidity of flexible member 4, to guarantee that in the entire work process of movable blade piece 14 middle template 8 keeps motionless.
Described device for discharging comprises stripper 3, liftout plate 5, dead knife piece 15, support 16 and locating piece 18; Described stripper 3 links together by flexible member 4 and lower bolster 1, and described dead knife piece 15 and locating piece 18 are fixed on the support 16, and described liftout plate 5 is connected together by flexible member 6 and support 16, and 16 on described support is fixed on the lower bolster 1.
The lateral trimming technology of box-type plastic spare of the present invention and shaving die have solved the queueing problem of product side cut back rim charge dexterously, make the lateral trimming all around of box type spare be achieved.
Claims (4)
1, a kind of lateral trimming technology of box-type plastic spare is characterized in that step is as follows:
1) mould is installed on hydraulic press or the punch press, promptly lower bolster (1) clamping is on the workbench of equipment, and cope match-plate pattern (13) clamping is in the slide block bottom surface of equipment, and adjusts the equipment ram travel;
2) will be placed on through the workpiece that plastic uptake is shaped on counterdie locating piece (18) and the stripper (3);
3) start hydraulic press or punch press, cope match-plate pattern, at this moment, pushes away under stripper 3 quilts till continuing up to middle template (8) and guide pin bushing (7) contacting with the equipment slide block down, and material pressing device (11) plays pressuring action to workpiece, and the workpiece lumen card is tightly on locating piece (18);
4) cope match-plate pattern continues descending with the equipment slide block, flexible member 12 is compressed, voussoir (10) is descending thereupon, horizontal direction promotion movable blade piece (14) moves inwards workpiece is sheared, meanwhile liftout plate (5) is with the rim charge part motion inwards of workpiece, workpiece is separated into part A and rim charge C two parts in the B-B position, finishes shearing workpiece;
5) when cope match-plate pattern stops to move downward, adjacent activities cutter piece also just contacts at the declivous cutting edge at product sidewall bight place, finishes crowded cutting to each bight of product sidewall from action;
6) slide block of equipment arrives after bottom dead center, and then drive the up backhaul of cope match-plate pattern, voussoir (10) is up thereupon, but middle template (8) still keeps motionless under the elastic force effect of flexible member 12, so movable blade piece (14) outwards moves along horizontal direction, and liftout plate (5) ejects the rim charge C of workpiece the cutting edge of dead knife piece (15) under the elastic force effect of flexible member (6);
7) behind the cope match-plate pattern backhaul certain distance, upwards backhaul of template (8) during bolt (20) drives, when stripper (3) move upward touch workpiece after, workpiece is released the locating piece (18) and the dead knife piece (15) of counterdie;
8) when the backhaul of equipment slide block to after top dead center, part A and rim charge C are taken out from counterdie, finish a working cycles.
2, a kind of lateral trimming mould of box-type plastic spare comprises patrix and counterdie, and described patrix and counterdie combine by guide pillar (9) and guide pin bushing (7), it is characterized in that described patrix has the lateral trimming device, and described counterdie has device for discharging.
3, the lateral trimming mould of box-type plastic spare according to claim 2, it is characterized in that described trimming device comprises middle template (8), voussoir (10), material pressing device (11), movable blade piece (14), guide rail (17), briquetting (2), flexible member (12 and 19); Template (8) hangs on top mold frame by bolt (20) in described, and the pilot hole that can move both vertically up and down along guide pillar (9) work is arranged; Described guide rail (17) is fixed on the middle template; The movable blade piece (14) that can make horizontal motion is in guide rail (17); Described material pressing device (11) studs with flexible member, and is fixed on the middle template (8); Described briquetting (2) is fixed on the middle template (8) by guide rail (17); Described voussoir (10) is fixed on the cope match-plate pattern (13), and the through hole that passes on the middle template (8) contacts as sliding bevel with movable blade piece (14); Described flexible member (12) has certain precompression and its rigidity to be far longer than the rigidity of flexible member (4), to guarantee that in the entire work process of movable blade piece (14) it is motionless that middle template keeps.
4, the lateral trimming mould of box-type plastic spare according to claim 2 is characterized in that, described device for discharging comprises stripper (3), liftout plate (5), dead knife piece (15), support (16) and locating piece (18); Described stripper (3) links together by flexible member (4) and lower bolster (1), described dead knife piece (15) and locating piece (18) are fixed on the support (16), described liftout plate (5) is connected together by flexible member (6) and support (16), and described support (16) then is fixed on the lower bolster (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011146826A CN1194841C (en) | 2001-04-29 | 2001-04-29 | Laterally edging process and die for box-type plastic parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011146826A CN1194841C (en) | 2001-04-29 | 2001-04-29 | Laterally edging process and die for box-type plastic parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1383961A CN1383961A (en) | 2002-12-11 |
| CN1194841C true CN1194841C (en) | 2005-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011146826A Expired - Fee Related CN1194841C (en) | 2001-04-29 | 2001-04-29 | Laterally edging process and die for box-type plastic parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1194841C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269781A (en) * | 2011-05-10 | 2011-12-07 | 贵州航天电器股份有限公司 | Auxiliary device for testing on-resistance of throwing line connector |
| CN102303073B (en) * | 2011-09-16 | 2013-07-03 | 上海隆江医疗器械有限公司 | Trimming die structure for mobile phone casing |
| CN102310139B (en) * | 2011-09-26 | 2013-10-16 | 奇瑞汽车股份有限公司 | Unrolling and blanking mold |
| CN103273515B (en) * | 2013-05-23 | 2015-11-25 | 柳州市嘉诚汽车饰件系统有限公司 | Ajutage cutting equipment |
| CN103350138A (en) * | 2013-06-23 | 2013-10-16 | 苏州腾行精密模具有限公司 | Slide block trimming die |
| CN103770136B (en) * | 2014-01-29 | 2016-03-02 | 吴忠市恒通塑料制品有限公司 | The multi-functional finishing machine of plastic pallet |
| CN106827121B (en) * | 2016-12-25 | 2019-04-12 | 重庆市永川区植成家俱厂 | Device for coconut palm plate trimming |
| CN108705606B (en) * | 2018-05-23 | 2020-01-21 | 浙江利帆家具有限公司 | Polyethylene composite desktop post-treatment equipment and technology |
| CN109066196A (en) * | 2018-07-18 | 2018-12-21 | 广州众顶建筑工程科技有限公司 | A kind of trimming device of novel PVC floor coiled material production |
| CN109335810A (en) * | 2018-10-29 | 2019-02-15 | 江苏中大包装材料有限公司 | A kind of limit-type heat shrink films trimming device |
-
2001
- 2001-04-29 CN CNB011146826A patent/CN1194841C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1383961A (en) | 2002-12-11 |
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