CN1321785C - Apparatus for blanking and processing profile notches of rubber sealing strip - Google Patents
Apparatus for blanking and processing profile notches of rubber sealing strip Download PDFInfo
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- CN1321785C CN1321785C CNB2005100242815A CN200510024281A CN1321785C CN 1321785 C CN1321785 C CN 1321785C CN B2005100242815 A CNB2005100242815 A CN B2005100242815A CN 200510024281 A CN200510024281 A CN 200510024281A CN 1321785 C CN1321785 C CN 1321785C
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Abstract
The present invention relates to a device for blanking and processing profile notches of rubber sealing strips, which is mainly composed of a lower mould component, an upper mould component and a slanted blanking component, wherein workpiece feeding is rapidly and exactly positioned by the workpiece outline at the surface of the lower mould and a lateral positioning mechanism arranged on one end face of the lower mould; a press plate and the outline of the surface of the lower mould are respectively attached to the upper surface and the lower surface of a sealing strip in order to ensure that the surfaces of the sealing strip are not damaged; a pressing mechanism in the upper mould component is mainly composed of an adjusting screw rod, a pressing force adjusting nut, a spring baffle block, a compression spring, a spring guide rod and a connection block and can adjust the pressing force of workpieces according to requirements; interference in the position of a slanted blanking cutter when the upper mould component presses the workpieces is avoided by a slanted blanking guiding element in the slanted blanking component. The present invention with simple structure can be used for reliably pressing and positioning the blanking processing of the profile notches of rubber sealing strips, can realize the slanted blanking processing of the edge notches of the inclined plane, and can ensure the processing quality and the efficiency.
Description
Technical field
The present invention relates to a kind of apparatus for blanking and processing profile notches of rubber sealing strip, the location that can be used for the profile notches of rubber sealing strip Punching Technology compresses, and can realize that the oblique impact of inclined plane edge notches cuts processing, belongs to nonmetallic materials Machining Technology field.
Background technology
Sealing strip is one of important spare part of automobile, and its sealing property directly influences the safety in utilization and the riding comfort of car, and is one of decoration important on the automobile.After the sealing strip moulding, need further carry out machining, to satisfy the assembling connection request to it.As the finishing operation that sealing strip is produced, the quality of machining is directly connected to the final mass of sealing strip finished product, and then has influence on the sealing property and the aesthetic property of automobile door and window, thereby is a very important procedure in the sealing strip production of articles process.
That the Punching Technology mode has is simple to operate, efficient, steady quality, the stock utilization height of applied range, blank, be suitable for producing in batches, easily realize plurality of advantages such as automation, be widely applied in the processing of sealing strip profile otch, satisfy its requirement of mass production; But because sealing strip mostly is flat long and narrow, and cross sectional shape is often comparatively complicated, has brought bigger difficulty to the clamping location.Sealing strip is generally elastomeric material, elasticity is big, during Punching Technology, the effect of cutting force can cause the strain that material is bigger, machine back cutting force and disappear, the material resilience, thus be easy to cause the variation of workpiece processing dimension, for the stretcher strain avoiding causing influence, sealing strip to be compressed before the Punching Technology processing dimension because of cutting force; But thrust equally also can cause the strain of material, still might influence machining accuracy.By above analysis as seen, sealing strip Punching Technology complex process for satisfying the actual processing request of sealing strip, need provide a kind of workpiece of can realizing accurately to locate the apparatus for blanking and processing that thrust is suitable.
In the actual production of sealing strip, because sealing strip cross sectional shape complexity, the surface is generally complex-curved, in actual the use for satisfying installation requirement, often need sealing strip to have otch at some edge, inclined plane, the processing request of this otch provides a kind of angled oblique impact cutting mechanism of lifting direction that can realize die-cut direction and die-cut lathe.
In the prior art related to the present invention, " Punching Technology of steely skeleton rubber sealing strip " (mechanical engineer that the little equality of king is delivered, 2003 (2): 50-51) proposed a kind of sealing strip clamping device that is used in the rectangular slits of the die-cut certain-length in rubber weather strip end in the literary composition, this clamping device is to have processed one and the identical through hole of sealing strip shape of cross section on clamp body, the processed part of sealing strip stretches into clamp body, reduces the deflection in process.Analyze this Design of device, the following shortcoming of being not difficult to find to exist: if will guarantee that sealing strip compresses, sealing strip should be in pressured state in clamp body, and this brings very big difficulty with regard to the material loading of giving workpiece, has influenced the raising of working (machining) efficiency greatly.At present, do not find the pertinent literature that the solution of suitable thrust is provided for the sealing strip Punching Technology, also useless in the report that is implemented in die-cut processing type face notching device on the edge, sealing strip inclined plane.
Summary of the invention
The objective of the invention is provides a kind of location that is used for the profile notches of rubber sealing strip Punching Technology to compress at the deficiencies in the prior art and according to the actual needs that sealing strip is produced, and can realize that inclined plane edge notches oblique impact cuts the device of processing; This device can satisfy the rapid material-feeding location of needs in the sealing strip actual production, the requirement that thrust is suitable, and can be implemented in die-cut processing type face otch on the edge, sealing strip inclined plane simultaneously, localization method is simple and easy reliable, thrust is adjustable, the surface quality height can satisfy the technological requirement of rubber weather strip Punching Technology.
For achieving the above object, apparatus for blanking and processing profile notches of rubber sealing strip provided by the invention mainly is made up of lower mould part, upper mould part and oblique impact parts.Lower mould part mainly is made up of lower module and transverse positioning mechanism; Upper mould part mainly is made up of pressing plate, cutter clamping module, guide pillar and hold-down mechanism; The oblique impact parts mainly are made up of cylinder, oblique impact guide, oblique impact cutter and dihedral installed part.
Lower module in the described lower mould part is installed on die-cut lathe workbench, its upper surface has one " V " type groove and one and is used for the cutter groove that the oblique impact cutter is finished die-cut motion, and the part that lower module and workpiece lower surface are fitted is processed as the contour shape of workpiece lower surface.
Transverse positioning mechanism in the described lower mould part is installed on the end face of lower module, mainly is made up of alignment pin mounting blocks, threaded alignment pin and position adjustments nut; Have the straight trough that is used for the placement location adjusting nut on the alignment pin mounting blocks; Screw thread one side of threaded alignment pin is installed on the alignment pin mounting blocks in the circular hole, and is screwed in and is placed on the alignment pin mounting blocks in the position adjustments nut in the straight trough.
During the workpiece material loading, the surface profile of lower module is realized the location of workpiece front and back position; Workpiece one end withstands on the end of threaded alignment pin, utilizes transverse positioning mechanism to realize the location of position, the workpiece left and right sides, can come the position of rotation adjusting nut as required, drives threaded alignment pin motion to regulate the position, the left and right sides of workpiece.This locate mode is simple, reliable, has higher efficient, can satisfy the requirements of mass production of sealing strip.
Cutter clamping module in the described upper mould part is installed on the erecting bed that is synchronized with the movement with die-cut lathe lifting platform; Hold-down mechanism is from top to down mainly by adjusting screw rod, thrust adjusting nut, spring block, compression spring, spring guide and contiguous block composition.Adjust screw rod and be fixed on the fixed block that is synchronized with the movement with die-cut lathe lifting platform, the bottom is connected with a thrust adjusting nut by screw thread; Spring block is owing to the effect of compression spring counter-force is withstood on the thrust adjusting nut, and the adjustment screw rod can slide in circular hole in the middle of the spring block.Be used for compression spring compression counter-force is delivered to the contiguous block of pressing plate by guide pillar, be placed on the erecting bed that is synchronized with the movement with die-cut lathe hoistable platform; Two compression springs are installed between contiguous block and the spring block, and corresponding two spring guides are fixed on the contiguous block, and can do in the circular hole of both sides respectively to slide relatively on spring block.
Be used in the described upper mould part being fixed on contiguous block at two guide pillars that upper and lower mould parts matched moulds process play the guiding role; Relatively guide pillar slidably all is equipped with the copper alloy guide pin bushing in the through hole on erecting bed, cutter clamping module, the lower module, is used to reduce guide pillar and the corresponding wearing and tearing that are slidingly matched between the part; Pressing plate is fixed on two guide pillars, is synchronized with the movement with guide pillar, and its lower surface is processed with the cutter groove that one " V " type boss and play the guiding role for the die-cut motion of oblique impact cutter, and pressing plate and workpiece surface fitting part are processed as corresponding contour shape.
Described oblique impact parts are installed in by the dihedral installed part on the erecting bed that is synchronized with the movement with die-cut lathe hoistable platform, and the central axis of cylinder telescopic shaft is vertical with the Punching Technology surf zone of workpiece; The oblique impact guide is installed on the telescopic shaft of cylinder, is used for eliminating the upper mould part process that presses down and interferes with the oblique impact tool position, and the oblique impact cutter is installed in the straight trough on the oblique impact guide, and can be free to slide in straight trough; For reducing oblique impact cutter and the corresponding wearing and tearing that are slidingly matched between the part, in the cutter groove on pressing plate and the lower module copper alloy broach shell is installed all.
In the Punching Technology process, die-cut lathe lifting platform drives upper mould part by erecting bed and fixed block and pumps, and realizes matched moulds, the die sinking of upper mould part and lower mould part, finishes the Punching Technology of profile otch.
To elongate seldom or substantially be zero to elasticity during the Punching Technology of general metal material, thereby only need carry out simple flanging and get final product, but sealing strip is an elastomeric material, elasticity is elongated bigger during Punching Technology, very easily cause the variation of die-cut dimensional parameters, thereby the sealing strip profile by processing at lower module and clamp surface in this device, sealing strip is compressed, avoided because the variation of the die-cut dimensional parameters that the elastic stretching during Punching Technology causes; The sealing strip cross sectional shape is very complicated, if in the position that presses down process center platen and lower module deviation takes place, not only can cause the variation of die-cut size, and very likely workpiece is damaged by pressure, thereby for fear of the generation of above-mentioned situation, the present invention adopts two guide pillars to be used for the guiding that upper mould part presses down process, thereby can eliminate of the influence of die-cut lathe slide block movement error, use " V " type boss on the pressing plate to cooperate the location of realizing in the matched moulds process with " V " type groove on the lower module simultaneously the upper mould part kinematic accuracy.
When upper mould part dropped to pressing plate and contacts with workpiece, pressing plate can't continue to descend, and the surface profile of pressing plate and lower module and surface of the work applying have guaranteed that surface of the work is injury-free, have satisfied ornamental needs in the workpiece use.Workpiece is delivered on the contiguous block by guide pillar the reaction force of pressing plate, and then will compress the spring compression, has promptly realized passing through the compression counter-force of compression spring with Work-sheet pressing; And along with the further decline of upper mould part, the compression counter-force of compression spring progressively increases, thrust also increases gradually, workpiece compressed a buffering course, avoided moment Work-sheet pressing to be caused the skew of the location of workpiece and the dimension deviation that causes.
Upper mould part drops to pressing plate and contacts with workpiece in the descending process of back continuation, the oblique impact cutter is owing to the fixing original position that is parked in of pressing plate position, but cylinder still can continue descending along with the motion of erecting bed, for avoiding the interference of cylinder moving and oblique impact tool position, the oblique impact guide can slide with respect to the oblique impact cutter vertically downward by the straight trough on it, guarantees finishing of follow-up Punching Technology action.
After upper mould part dropped to the matched moulds state, workpiece was compacted, and the cylinder telescopic shaft drives the oblique impact guide, promoted the Punching Technology that the oblique impact tool motion is finished otch.
Because behind matched moulds, the thrust of workpiece equals to compress the distortion counter-force of spring, thereby, regulate the thrust adjusting nut of adjusting on the screw rod, can regulate the compress variation of compression spring behind matched moulds, select suitable thrust, avoid because thrust is excessive, make workpiece that bigger strain take place when compressing, thereby improved machining accuracy.
The present invention is simple in structure, can satisfy the rapid material-feeding location of needs in the sealing strip actual production, the requirement that thrust is suitable, and can be implemented in die-cut processing type face otch on the edge, sealing strip inclined plane simultaneously, localization method is simple and easy reliable, thrust is adjustable, guarantee the surface quality of sealing strip, can realize higher working (machining) efficiency, be well positioned to meet the technological requirement of sealing strip Punching Technology.
Description of drawings
Fig. 1 is the tomograph of apparatus for blanking and processing profile notches of rubber sealing strip of the present invention
Among Fig. 1,1 for adjusting screw rod, and 2 is fixed block, and 3 is the thrust adjusting nut, 4 is spring block, and 5 are the compression spring, and 6 is spring guide, and 7 is contiguous block, 8 is erecting bed, and 9 is the dihedral installed part, and 10 is cylinder, 11 is pressing plate, and 12 is guide pillar, and 13 is lower module, 14 is die-cut lathe workbench, and 15 is threaded alignment pin, and 16 is the alignment pin mounting blocks, 17 is the position adjustments nut, 18 cutter clamping modules, and 19 is the oblique impact cutter.
Fig. 2 is the tomograph of the oblique impact parts of apparatus for blanking and processing profile notches of rubber sealing strip of the present invention.
Among Fig. 2,9 is the dihedral installed part, and 10 is cylinder, and 19 is the oblique impact cutter, and 20 is the oblique impact guide.
Tomograph when Fig. 3 is in the matched moulds state for the upper mould part of apparatus for blanking and processing profile notches of rubber sealing strip of the present invention and lower mould part.
Among Fig. 3,1 for adjusting screw rod, and 2 is fixed block, and 3 is the thrust adjusting nut, 4 is spring block, and 5 are the compression spring, and 6 is spring guide, and 7 is contiguous block, 8 is erecting bed, and 9 is the dihedral installed part, and 10 is cylinder, 11 is pressing plate, and 12 is guide pillar, and 13 is lower module, 14 is die-cut lathe workbench, and 15 is threaded alignment pin, and 16 is the alignment pin mounting blocks, 17 is the position adjustments nut, 18 cutter clamping modules, and 19 is the oblique impact cutter.
Fig. 4 is the schematic diagram of the rubber weather strip workpiece of Punching Technology.
Among Fig. 4,21 is the sealing strip workpiece.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the present invention are described in further detail.
A kind of exemplary embodiment of the present invention has been shown in the accompanying drawing, and this embodiment is used to realize a kind of Punching Technology of profile otch of sealing strip as shown in Figure 4, and this plane, otch place and horizontal plane are angled.
Fig. 1 is the tomograph of apparatus for blanking and processing profile notches of rubber sealing strip of the present invention.As shown in Figure 1, this device comprises lower mould part, upper mould part and oblique impact parts composition.Lower mould part mainly is made up of lower module 13 and transverse positioning mechanism; Upper mould part mainly is made up of pressing plate 11, cutter clamping module 18, guide pillar 12 and hold-down mechanism.
Fig. 2 is the tomograph of oblique impact parts.As shown in Figure 2, an end of dihedral installed part 9 is fixed on the cylinder 10; Oblique impact guide 20 is installed on the telescopic shaft of cylinder 10, is used for eliminating the location conflicts that upper mould part presses down process and oblique impact cutter 19; Oblique impact cutter 19 is installed in the straight trough on the oblique impact guide 20, and can be free to slide in straight trough.
Tomograph when Fig. 3 is in the matched moulds state for upper mould part and lower mould part.As shown in Figure 3, when apparatus of the present invention were in the matched moulds state, fixed block 2 moved downward a segment distance because the motion of die-cut lathe lifting platform drives and adjusts screw rod 1, thrust adjusting nut 3, spring block 4 with respect to two spring guides 6; Contiguous block 7 disengages with the upper surface of erecting bed 8; Under the distortion counter-force effect of compression spring 5,, workpiece 21 shown in Figure 4 is compressed by pressing plate 11.
Fig. 4 is the schematic diagram of the sealing strip workpiece of Punching Technology.
During workpiece 21 material loadings, utilize the location of surface profile realization workpiece 21 front and back positions of lower module 13; Workpiece 21 1 ends withstand on the end of threaded alignment pin 15, utilize transverse positioning mechanism to realize the location of position, workpiece 21 left and right sides.In the time need adjusting to the position, the left and right sides of profile otch, position of rotation adjusting nut 17, driving threaded alignment pin 15 motions can realize.This locate mode is simple, reliable, has higher efficient, can satisfy the requirements of mass production of sealing strip.
In the Punching Technology process, die-cut lathe lifting platform drives upper mould part by erecting bed 8 and fixed block 2 and pumps, and finishes matched moulds, the die sinking of upper mould part and lower mould part, realizes the Punching Technology of profile otch.
When upper mould part dropped to pressing plate 11 and contacts with workpiece 21, pressing plate 11 can't continue to descend, and pressing plate 11 is fitted with surface of the work with the surface profile of lower module 13, has guaranteed that surface of the work is injury-free, has satisfied ornamental needs in the workpiece use.The active force of 21 pairs of pressing plates 11 of workpiece is delivered on the contiguous block 7 by guide pillar 12, and then will compress spring 5 compressions, has promptly realized by the compression counter-force of compression spring 5 workpiece 21 being compressed; And along with the further decline of upper mould part, the compression counter-force of compression spring 5 progressively increases, thrust also increases gradually, workpiece 21 compressed a buffering course, avoided moment that workpiece 21 is compressed the skew that causes workpiece 21 positions and the dimension deviation that causes.
Upper mould part drops to pressing plate 11 and contacts with workpiece 21 in the descending process of back continuation, oblique impact cutter 19 is owing to the fixing original position that is parked in of pressing plate 11 positions, but cylinder 10 still can continue descending along with the motion of erecting bed 8, for avoiding the interference of cylinder 10 motions and oblique impact cutter 19 positions, oblique impact guide 20 can slide with respect to oblique impact cutter 19 vertically downward by the straight trough on it, guarantees finishing of follow-up Punching Technology action.
After upper mould part dropped to as shown in Figure 3 matched moulds state, compression spring 5 was compressed, and by contiguous block 7 and guide pillar 12 spring force is delivered on the workpiece 21, thereby workpiece 21 is compressed as shown in Figure 3.Control cylinder 10 telescopic shafts drive oblique impact guide 20, promote the Punching Technology that otch is finished in 19 motions of oblique impact cutter.Because behind matched moulds, the thrust of workpiece 21 equals to compress the distortion counter-force of spring 5, thereby, regulate the thrust adjusting nut of adjusting on the screw rod 13, can regulate the compress variation of compression spring 5 behind matched moulds and select suitable thrust, avoid making workpiece 21 that bigger strain take place when compressing, thereby having improved machining accuracy because thrust is excessive.
In process, should control the stroke of upper mould part, avoid stroke excessive, the deadweight of upper mould part all is applied on the workpiece 21, cause the permanent deformation of workpiece 21, thereby when this processing unit (plant) is in complete die opening state, spacing between cutter clamping module 18 and the pressing plate 11 should be slightly larger than finishes the projection of the required cutter stroke of Punching Technology in vertical direction, and guarantee that the punching tool blade is apart from pressing plate 11 lower surface certain distances, guaranteeing after the thrust of workpiece 21 reaches requirement, to carry out again the processing of profile otch, and can prevent the punching tool blade from exposing and the danger of operating personnel's operation of feeding and discharging of causing.
After Punching Technology was finished, upper mould part was up, and die-cut waste material is discharged by the cutter groove on the lower module 13, takes off workpiece 21, finished one-step punching processing.
In the actual production processing, can adopt patent " the punching-cutting combined tools system for profile insection of rubber articles " (application number of having applied for: the combined tools system 200410068041.O), on cutter clamping module 18, combined tools system is installed, leave the cutter groove that need pass on pressing plate 11 relevant positions, be used to realize that flinging of the corresponding profile otch of sealing strip cut processing because of the downward Punching Technology of punching tool.
Claims (3)
1, a kind of apparatus for blanking and processing profile notches of rubber sealing strip, it is characterized in that comprising lower mould part, upper mould part and oblique impact parts, described lower mould part is made up of lower module (13) and transverse positioning mechanism, lower module (13) upper surface has " V " type groove and is used for the cutter groove that oblique impact cutter (19) is finished die-cut motion, the part that lower module (13) and workpiece (21) lower surface are fitted is processed as the contour shape of workpiece (21) lower surface, be installed in transverse positioning mechanism on the end face of lower module (13) by threaded alignment pin (15), alignment pin mounting blocks (16) and position adjustments nut (17) are formed, alignment pin mounting blocks (16) has the straight trough that is used for placement location adjusting nut (17), screw thread one side of threaded alignment pin (15) is installed in alignment pin mounting blocks (16) and goes up in the circular hole, and is screwed in the position adjustments nut (17) in the straight trough that is placed on alignment pin mounting blocks (16); Described upper mould part is by pressing plate (11), cutter clamping module (18), guide pillar (12) and hold-down mechanism are formed, wherein, hold-down mechanism is by adjusting screw rod (1), thrust adjusting nut (3), spring block (4), compression spring (5), spring guide (6) and contiguous block (7) constitute, cutter clamping module (18) is installed on the erecting bed (8) that is synchronized with the movement with die-cut lathe lifting platform, adjustment screw rod (1) bottom that is fixed on the fixed block (2) that is synchronized with the movement with die-cut lathe lifting platform is connected with a thrust adjusting nut (3) by screw thread, spring block (4) is owing to the effect of compression spring (5) counter-force is withstood on the thrust adjusting nut (3), and adjusting screw rod (1) can slide in circular hole in the middle of the spring block (4), be placed on two compression springs (5) are installed between contiguous block (7) on the erecting bed (8) and the spring block (4), corresponding two spring guides (6) are fixed on the contiguous block (7), and can in the circular hole of the last both sides of spring block (4), do respectively to slide relatively, be used for being fixed on contiguous block (7) at two guide pillars (12) that upper and lower mould parts matched moulds process leads, erecting bed (8), be processed with corresponding through hole on cutter clamping module (18) and the lower module (13), guide pillar (12) all slidably relatively, pressing plate (11) is fixed on two guide pillars (12), the cutter groove that the lower surface of pressing plate (11) is processed with " V " type boss and play the guiding role for the die-cut motion of oblique impact cutter (19), pressing plate (11) and workpiece (21) upper surface fitting part are processed as the contour shape of workpiece (21) upper surface; Described oblique impact parts are by dihedral installed part (9), cylinder (10), oblique impact cutter (19) and oblique impact guide (20) are formed, dihedral installed part (9) one ends are installed on the erecting bed (8), the other end is fixed on the cylinder (10), the central axis of cylinder (10) telescopic shaft is vertical with the Punching Technology surf zone of workpiece (21), oblique impact guide (20) is installed on the telescopic shaft of cylinder (10), be used for eliminating the location conflicts that upper mould part presses down process and oblique impact cutter (19), oblique impact cutter (19) is installed in the straight trough of oblique impact guide (20), and can in straight trough, be free to slide, blade one end of oblique impact cutter (19) is placed in pressing plate (11) and goes up in the corresponding cutter groove.
2,, it is characterized in that being used on described erecting bed (8), cutter clamping module (18) and the lower module (13) being separately installed with the copper alloy guide pin bushing in the through hole that relative guide pillar (12) slides according to the apparatus for blanking and processing profile notches of rubber sealing strip of claim 1.
3,, it is characterized in that being separately installed with the copper alloy broach shell in the cutter groove on described pressing plate (11) and the lower module (13) according to the apparatus for blanking and processing profile notches of rubber sealing strip of claim 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100242815A CN1321785C (en) | 2005-03-10 | 2005-03-10 | Apparatus for blanking and processing profile notches of rubber sealing strip |
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| CNB2005100242815A CN1321785C (en) | 2005-03-10 | 2005-03-10 | Apparatus for blanking and processing profile notches of rubber sealing strip |
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| CN1669751A CN1669751A (en) | 2005-09-21 |
| CN1321785C true CN1321785C (en) | 2007-06-20 |
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| CNB2005100242815A Expired - Fee Related CN1321785C (en) | 2005-03-10 | 2005-03-10 | Apparatus for blanking and processing profile notches of rubber sealing strip |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913165A (en) * | 2010-07-28 | 2010-12-15 | 宁波敏实汽车零部件技术研发有限公司 | Hooked cutting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1669751A (en) | 2005-09-21 |
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