CN209363443U - Guide assembly and die guide device - Google Patents

Abstract

The utility model provides a direction subassembly and mould guider relates to the machine-building technical field, has solved the poor technical problem of current stamping die guider's direction precision. The guide assembly comprises a first guide piece and a second guide piece, the first guide piece can be fixed on the upper die base, the second guide piece can be fixed on the lower die base, and the first guide piece and the second guide piece are in close fit in a sliding mode along the stamping direction. Because first guide part and second guide part are connected the direction through the mode of tight fit to the fit clearance between two matched with guides has been reduced, compares with the great condition in current guide pillar and guide pin bushing fit mode fit clearance, has improved the direction precision, and the part quality improves greatly, and production efficiency improves, has also reduced mould cost of maintenance.

Description

A kind of guidance set and mold guiding device

Technical field

The utility model relates to machinery manufacturing technology fields, more particularly, to a kind of guidance set and mold guiding device.

Background technique

Stamping die, which refers to, applies one to metal or nonmetallic materials using the mold being fixed on punching machine or press machine Fixed pressure, make material generate separation or molding, thus obtain certain size requirement, presentation quality qualification part processing side Method.Because can rapid shaping, develop many advantages, such as high production efficiency, stable product quality, precision meets the requirements it is swift and violent, Using extremely wide.

While material is squeezed, cut off by mold usually in punching course, the counteractive shearing force of plate can be to mold Lateral displacement is generated on microcosmic direction, especially phenomenon is more obvious in the process being punched more than content, over time on mold Lower die workpiece misplaces, and cutting edge abrasion aggravation when punching press, punching gap is uneven, and product burr is big, off quality. In the higher product of production requirement in the inadequate equipment of stamping equipment unbalance loading or precision, part quality is substantially reduced, mold It reports for repairment frequently, production efficiency is low, and maintenance cost is high.

For the punching parts of high quality, die table is reliably oriented to fine positioning into crucial central factor.Tradition Mold be exactly that inner guiding post and outer guiding post is leaned on to position it, since outer guiding post is usually ball-type copper sheathing guide post, between guide sleeve wall There are certain gap that is elastically engaged, guiding accuracy is relatively low；Mold inner guiding post is to guarantee bolster positioning, indirectly to formed punch It is oriented to cutting edge, size is less than normal and is cylinder, and when punching press unbalance loading or the deformation of equipment table top, inner guiding post is led with interior Inner room is only crest line contact, and guiding area is small, and poor reliability, usual inner guiding post can not be can guarantee by plucking, mold guiding accuracy.

Utility model content

The purpose of this utility model is to provide a kind of guidance set and mold guiding devices, to solve to deposit in the prior art Stamping die guiding device guiding accuracy difference technical problem.It is excellent in many technical solutions provided by the utility model Many technical effects elaboration as detailed below that selecting technology scheme can be generated.

To achieve the above object, the utility model provides following technical scheme:

A kind of guidance set provided by the utility model, comprising:

First guide part, is capable of fixing on upper die holder；

Second guide part is capable of fixing on lower die holder, and first guide part and second guide part are along punching press Direction slidably tight fit.

Optionally, first guide part and the second guide part face contact.

Optionally, first guide part includes upper mold guide holder and guiding slotting tool, and the upper end of the guiding slotting tool is fixed In the upper mold guide holder, the lower end of the guiding slotting tool and second guide part are cooperatively connected.

Optionally, second guide part includes lower die guide holder, offers sliding slot on the lower die guide holder, described to lead It is slidably set in the sliding slot to slotting tool.

Optionally, detachable on the side wall of the sliding slot to be provided with wear-resistant block, the guiding slotting tool and the wear-resistant block Tight fit.

A kind of mold guiding device provided by the utility model, including upper die holder, lower die holder and any description above Guidance set, first guide part are fixed on the bottom surface of the upper die holder, and second guide part is fixed on the lower die holder Top surface.

Optionally, the guidance set is obliquely installed.

Optionally, the tilt angle of the guidance set is 45 degree.

Optionally, the quantity of the guidance set is at least two.

Optionally, four guidance sets are respectively arranged at the four corners of die holder.

Guidance set and mold guiding device provided by the utility model, the first guide part are by tight with the second guide part The mode of cooperation connects guiding, to reduce the fit clearance between two guide parts matched, with existing guide post with The larger situation of guide sleeve fit system fit clearance is compared, and guiding accuracy is improved, and part quality greatly improves, to improve Production efficiency also reduces mold repair cost.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the schematic perspective view of mold guidance set in a kind of specific embodiment of the utility model；

Fig. 2 is the configuration schematic diagram of mold guidance set；

The positive structure diagram of Fig. 3 mold guidance set；

Fig. 4 is a kind of specific embodiment of the utility model --- mold can detect the structural representation of the oblique guiding device of rigidity Figure.

1 in figure, upper mold guide holder；2, it is oriented to slotting tool；3, wear-resistant block；4, screw；5, lower die guide holder；51, sliding slot；6, outer Guide post；7, outer bush；8, lower die holder.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

As shown in Figure 1 to Figure 3, the utility model provides a kind of guidance set, comprising:

First guide part, is capable of fixing on upper die holder；

Second guide part is capable of fixing on lower die holder 8, and the first guide part can be slided with the second guide part along pressing direction Dynamic tight fit.

First guide part is that guiding is connect by way of tight fit with the second guide part, is matched to reduce Fit clearance between two guide parts is improved with existing guide post compared with the larger situation of guide sleeve fit system fit clearance Guiding accuracy, part quality greatly improves, to improve production efficiency, also reduce mold repair cost.

Optionally embodiment, the first guide part and the second guide part face contact.

First guide part and the second guide part face contact, solve conventional ones mold guiding area it is small, be oriented to it is unreliable The problem of.

Optionally embodiment, the first guide part include upper mold guide holder 1 and guiding slotting tool 2, are oriented to the upper of slotting tool 2 Upper mold guide holder 1 is fixed at end, and the lower end and the second guide part for being oriented to slotting tool 2 are cooperatively connected.

Optionally embodiment, the second guide part include lower die guide holder 5, offer sliding slot on lower die guide holder 5 51, guiding slotting tool 2 is slidably set in sliding slot 51.Referring to figures 1-3.

Sliding slot 51 is opened up on second guide part to come to the first guide part limition orientation, the two sidewalls of sliding slot 51 and the first guiding Part is engaged, and guiding is reliable.

Optionally embodiment, it is detachable on the side wall of sliding slot 51 to be provided with wear-resistant block 3, guiding slotting tool 2 with it is resistance to 3 tight fit of abrading block.

The setting of wear-resistant block 3 increases precision of guidance set during guiding, also improves the longevity of the second guide part Life, guiding reliability are ensured；The detachable setting of wear-resistant block 3, is convenient for changing, convenient.

As shown in figure 4, the utility model provides a mold the oblique guiding device of detectable rigidity, including upper die holder, under Die holder 8 and any of the above guidance set, the first guide part are fixed on the bottom surface of upper die holder, and the second guide part is fixed on lower die The top surface of seat 8.

Optionally embodiment, guidance set are obliquely installed.

Guidance set is obliquely installed, and makes generated oblique guiding force when work that can freely be decomposed into horizontal and vertical two sides To active force, guarantee guiding stability.

Optionally embodiment, the tilt angle of guidance set are 45 degree.

Horizontal and vertical power output caused by decomposing at 45 degree makees power loss minimum than highest, and guiding performance is best.

Optionally embodiment, the quantity of guidance set are at least two.

Multiple guidance sets are set, it, can be big according to mold when flush shear force is especially big if mold punching content is relatively more Small to increase accordingly multiple groups guiding device in place, such mold stress is more steady, and the rigidity of guiding is more preferable, and mould and die accuracy is more It is high.

Optionally embodiment, four guidance sets are respectively arranged at the four corners of die holder.

Four groups of guidance sets are most reliable, can limit the four direction of horizontal plane completely, and opposite stress two-by-two, and balance can It leans on.

The installation steps that mold can detect the oblique guiding device of rigidity are as follows: referring to Fig. 4, main parts size includes upper mold guiding Other mould parts such as seat 1, guiding slotting tool 2, lower die guide holder 5, wear-resistant block 3, lower die holder 8, outer guiding post 6, outer bush 7.First It is already installed with outer guiding post 6 and outer bush 7 in mold, correcting positioning (thick guiding), increased upper mold guide holder 1 are carried out to mould bases First it is fixed with upper die holder by screw 4 after essence gong fixed slot position in the upper die holder back side is located；Then guiding slotting tool 2 is pacified After in the fixation hole of upper mold guide holder 1 and upper die holder lock-screw 4 is fixed, and the first guide part is installed at this time.

Lower die targeting part is installed again, lower die guide holder 5 is concave shape, and inner wall installs one group of wear-resistant block 3 in two sides, passes through Screw 4 is locked, wear-resistant block 3 and guiding 2 mating surface processing oil groove of slotting tool, to guarantee to be oriented to the lubricity to rub when slotting tool 2 is oriented to, Then the lower die guide holder 5 equipped with wear-resistant block 3 is mounted in the fixing groove of lower die holder 8, is locked with screw 4；Using phase Other several groups of oblique guidance sets are installed with mode.

Referring to Fig. 1, when upper mold is with stamping equipment downlink, upper mold outer guiding post 6 is inserted into lower die outer bush 7 first, to mould bases Carry out thick correcting；As equipment continues traveling downwardly, installed in the upper mold guiding slotting tool 2 and lower die guide holder 5 of the oblique guidance set of rigidity Wear-resistant block 3 start to contact, contact surface slowly is increasing, and mold enters guiding state completely, and rear mold elastic element It gradually reduces, the forming parts such as formed punch, which are started to work, completes punching press movement.

Stamping equipment turns over bottom dead centre and starts to increase later, and mold is slowly opened in the state of having 6 correcting of outer guiding post, leads It is slowly raised to the guiding beginning of slotting tool 2 of the upper mold of device, is separated from the wear-resistant block 3 installed in lower die guide holder 5, fine positioning gradually Guiding terminates.

Since the oblique guiding device self-lubrication of rigidity is good, abrasion is small, and guiding area is big, can be increased according to the size of mold The oblique guidance set of multiple groups, guarantees that it is uniformly distributed in a mold, can be entirely limited die horizontal direction position and in punch forming In the big mold of power can effective decomposing material shearing lateral force, and stamping equipment flatness is high, table top deformation, pressure When the unusual conditions such as unbalance loading, slight lateral force can correct it by the oblique guidance set of rigidity and compensate, and keep punching Gap is stablized in a zone of reasonableness, guarantees stamping quality, reduces mold inordinate wear, improves mold quality.

As shown in figure 3, upper mold is oriented to slotting tool 2 and 3 two sides of wear-resistant block in lower die guide holder 5 are tight under normal closed mode state Closely connected conjunction, there is no offset problem of misalignment for mold；When affecting mold guiding accuracy due to extraneous factor, wear-resistant block 3 is a certain While will appear inordinate wear, mold guiding has misplaced at this time, and stamping forming gap has changed, the quality of part necessarily under Drop；At this moment we can measure the gap between upper mold guiding slotting tool 2 and lower die wear-resistant block 3 by clearance gauge to judge mold The displacement of dislocation instructs to repair a die with accurate data；In addition when guiding slotting tool 2 or wear-resistant block 3 are worn to a certain extent We need replacing new spare part afterwards, convenient for disassembly and assembly, the processing is simple, replacement maintenance since wear-resistant block 3 is mutually to spell detachable structure Time is short, at low cost.

In preferred optional embodiment, the oblique guidance set of four groups of inclination 45° angle degree of fixing of the forming frame can be according to mould Tool size arbitrarily adjusts in 0~90 ° of range of tilt angles, can also increase multiple groups according to the size of punch forming power and tiltedly lead To component to guarantee that device uniform force, accurate positioning, guiding are reliable, to guarantee that punching press gap is uniform, mold production efficiently, Stablize；Simultaneously this guidance set have be convenient for measuring, detect the items such as mold, the processing is simple, quick-replaceable, cost of upkeep are low excellent Point can be widely popularized and applied in other sheet metal moulds, solve the problems, such as that mold guiding accuracy is poor, improve product quality, be promoted Mold quality.

On the basis of original fixing of the forming frame has outer guiding post 6, in the diagonally-installed four groups of measurable rigidity of mould bases four corners Oblique guiding device, installation rigidity is oriented to fixing seat on upper and lower mould bases, and installation upper mold is oriented to slotting tool 2, lower guide holder in upper guide holder Middle installation two sides wear-resistant block 3；Outer guiding post 6 carries out the thick correcting of mould bases first during mold is slowly closed, and then upper mold Guiding 2 two sides of slotting tool are close to the wear-resistant block 3 in lower die guide holder 5, uniformly divide after being tilted a certain angle due to guiding device quadrangle Cloth defines the position of four direction all around in the horizontal direction, plays the role of positioning, while four groups of guiding completely Every group of block is all two sides while being adjacent to both sides wear-resistant block 3, and contact area is big, and rigidity guiding is reliable and stable.Further, it is producing The gap between guiding block assembly can be measured with clearance gauge to calculate the serious wear in which direction in the process, and determined when It needs to carry out wear-resistant block 3 to replace or when needs to maintain mold, the stability of the high-accuracy punching press of mold is effectively ensured.

It can measure the oblique guiding device of rigidity by increasing, can effectively solve equipment deformation, unbalance loading, low precision, mold guiding Edge of a knife quick abrasion caused by difference etc., product burr is big, the various problems such as off quality；The utility model is relative to conventional ones Guidance mode substantially increases the guiding accuracy of mold, can carry out certain correction to unbalance loading, the equipment of low precision, guarantee product Size is up to standard, up-to-standard.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be wanted with right Subject to the protection scope asked.

Claims (7)

1. a kind of guidance set characterized by comprising

First guide part, is capable of fixing on upper die holder；

Second guide part is capable of fixing on lower die holder, and first guide part and second guide part are along pressing direction Slidably tight fit；First guide part and the second guide part face contact；

First guide part includes upper mold guide holder and guiding slotting tool, and the upper end of the guiding slotting tool is fixed on the upper mold and is led To seat, the lower end of the guiding slotting tool and second guide part are cooperatively connected；Second guide part includes lower die guide holder, Sliding slot is offered on the lower die guide holder, the guiding slotting tool is slidably set in the sliding slot.

2. guidance set according to claim 1, which is characterized in that on the side wall of the sliding slot it is detachable be provided with it is resistance to Abrading block, the guiding slotting tool and the wear-resistant block tight fit.

3. a kind of mold guiding device, which is characterized in that including upper die holder, lower die holder and guiding of any of claims 1 or 2 Component, first guide part are fixed on the bottom surface of the upper die holder, and second guide part is fixed on the top of the lower die holder Face.

4. mold guiding device according to claim 3, which is characterized in that the guidance set is obliquely installed.

5. mold guiding device according to claim 4, which is characterized in that the tilt angle of the guidance set is 45 Degree.

6. according to mold guiding device as claimed in claim 3 to 5, which is characterized in that the quantity of the guidance set is extremely It is two few.

7. according to mold guiding device as claimed in claim 3 to 5, which is characterized in that four guidance sets are set respectively It is placed in the four corners of die holder.