CN210969766U - Secondary slide internal contraction mechanism - Google Patents

Abstract

The utility model relates to the technical field of mold processing, in particular to a secondary slide retraction mechanism, which comprises a first slide, a second slide, a driving device and a slide insert, wherein the first slide is connected with the driving device, the second slide is connected with the first slide, the second slide is provided with an inclined groove inclined from the top to the inside, the inclined groove is internally provided with an inclined guide post, the side surface of the first slide contacting with the second slide is provided with a through hole, the slide insert comprises a positioning pin and an insert, the positioning pin passes through the through hole and is fixed on the second slide, the positioning pin is in a conical shape, the positioning pin is provided with a dovetail groove inclined along the conical shape, the insert is connected in the dovetail groove in a sliding way, thereby the demolding can be completed without damaging the back-off structure in the side hole of a product, the structure of the product can not be changed, the traditional glue-reducing processing mode can be replaced, and the structure of the produced product can meet the preset requirement, the production quality of the product is guaranteed, and the operation is simple and the use is convenient.

Description

Secondary slide internal contraction mechanism

Technical Field

The utility model relates to a mould processing technology field, concretely relates to secondary slide mechanism that contracts in.

Background

The mould is a common tool in the process of forming plastic products, and the plastic products with various forms can be injection-molded through the mould so as to meet the requirements of people. After the injection molding process is completed, core pulling treatment needs to be performed on the product by using a slide mechanism to realize demolding.

For some products with the inverted buckle structures in the side holes, due to the fact that core pulling processing cannot be directly performed, the inverted buckle parts in the side holes are generally subjected to glue reducing processing, and the side core pulling is performed after the inverted buckle parts disappear to complete demolding, so that the structure of the product can be changed, the produced product cannot meet the preset requirements, and the quality of the product is greatly influenced.

Therefore, there is a need in the industry for a solution to the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a secondary slide mechanism that contracts in to prior art not enough. The purpose of the utility model can be realized by the technical scheme as follows.

The utility model provides a secondary position of going contracts mechanism in, includes first position of going, the second position of going, drive arrangement and the position mold insert of going, first position of going with drive arrangement is connected, the second position of going sliding connection in on the first position of going, be equipped with the inclined groove from the top to inside slope on the second position of going, be provided with oblique guide pillar in the inclined groove, first position of going with be equipped with the through-hole on the side that the second position of going contacts, the position mold insert of going includes the locating pin and inserts, the locating pin passes the through-hole is fixed in on the second position of going, the locating pin is the toper form, be equipped with on the locating pin along the oblique dovetail of toper, sliding connection in insert in the dovetail.

Preferably, the slide insert further comprises a mounting seat, the insert is fixed on the mounting seat, the mounting seat is sleeved on the locating pin and enables the insert to be inserted into the dovetail groove, and one surface of the mounting seat, which is close to the first slide, abuts against the first slide.

Preferably, the slide insert further comprises a protective sleeve, the protective sleeve is in a hollow conical shape and is fixed on the mounting seat, and a clearance groove is formed in the position, corresponding to the insert, of the protective sleeve.

Preferably, a sliding groove is formed in the first row, a sliding rail is arranged on the second row, and the second row is connected with the sliding groove in the first row in a sliding mode through the sliding rail.

Preferably, the driving device is provided with a clamping block, the first line position is provided with a clamping groove, and the driving device is clamped with the clamping groove in the first line position through the clamping block.

Preferably, the second row of positions is provided with a yielding groove, and the yielding groove is arranged corresponding to the clamping groove of the first row of positions.

Preferably, the driving device is a cylinder driving device.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a secondary line position mechanism that contracts, oblique guide pillar drives the second line position and slides toward the drive arrangement direction on first line position, the toper form locating pin of fixing on the second line position is along with the second line position removes, insert at this moment and slide in toper diagonal dovetail, because toper diagonal dovetail is comparatively interior partially in the position of locating pin toper head, make to insert the internal contraction, no longer pin the interior back-off structure of product lateral hole, rethread drive arrangement makes first line position drive whole mechanism lateral shifting in order to carry out the drawing of patterns, can accomplish the drawing of patterns under the back-off structure that does not damage the product lateral hole with this, can not change the structure of product, be used for replacing traditional glue reducing processing mode, the product structure that can make production come out accords with predetermined requirement, the production quality of product has been ensured, moreover, and the operation is simple, high durability and convenient use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a first row bit and a second row bit in the embodiment of the present invention.

Fig. 3 is a schematic view of the structure of fig. 2 from another angle.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The product that has the back-off structure to some curb holes can't directly loose the core the problem of handling, the utility model provides a secondary slide internal contraction mechanism can make when product 9 carries out the drawing of patterns insert internal contraction, no longer pins the back-off structure in the product 9 curb hole, reaches the effect of accomplishing the drawing of patterns under the back-off structure that does not damage product 9 curb hole.

In order to better explain the technical scheme, technical terms in the industry related to the technical scheme are explained. The insert is an irregular mold part specially used for being embedded in a mold and plays a role in fixing the space in the mold. The slide refers to a mechanism capable of obtaining lateral core pulling or lateral parting and resetting actions to pull out products. The inclined guide post is a cylinder which is used for providing power for the lateral core pulling of the slide block (slide) in the plastic mould.

A secondary slide retraction mechanism is shown in figures 1, 2 and 3 and comprises a first slide 1, a second slide 2, a driving device 3 and a slide insert 4, wherein the first slide 1 is connected with the driving device 3, the second slide 2 is slidably connected to the first slide 1, an inclined groove inclined from the top end to the inside is formed in the second slide 2, an inclined guide post 21 is arranged in the inclined groove, and the inclined guide post 21 serves as a power source and provides required power for sliding of the second slide 2 on the first slide 1, so that the slide insert 4 does not lock a product 9, and the driving device 3 is matched to pull the first slide 1 to drive the whole mechanism to move outwards to realize demoulding of the product 9. Specifically, first line position 1 with be equipped with the through-hole on the side that second line position 2 contacted, line position mold insert 4 includes locating pin 42 and insert 41, locating pin 42 passes the through-hole is fixed in on the second line position 2, locating pin 42 is the toper form, be equipped with along the oblique dovetail 45 of toper on the locating pin 42, the cell body of dovetail 45 is along the direction of locating pin 42 toper head inwards squint gradually, also the relative other end cell body of one end that dovetail 45 is located locating pin 42 toper head leans on more inwards, insert 41 sliding connection in the dovetail 45, when insert 41 slides to the one end that dovetail 45 is located locating pin 42 toper head, because dovetail 45 slants inwards, insert 41 is the retraction state to no longer pin the back-off structure in the product 9 side hole.

In the secondary row retraction mechanism provided by this embodiment, the inclined guide post 21 drives the second row 2 to slide on the first row 1 toward the driving device 3, the tapered positioning pin 42 fixed on the second row 2 moves along with the second row 2, and at this time, the insert 41 slides in the tapered dovetail groove 45, because the tapered dovetail groove 45 is relatively inwardly deviated at the tapered head of the positioning pin 42, the insert 41 retracts, and the undercut structure in the side hole of the product 9 is not locked, and then the driving device 3 drives the whole mechanism to move outward to perform demolding, so that demolding can be completed without damaging the undercut structure in the side hole of the product 9, the structure of the product 9 cannot be changed, the traditional glue reduction processing mode is replaced, the structure of the produced product 9 can meet the predetermined requirement, and the production quality of the product 9 is ensured, and the operation is simple and the use is convenient.

As shown in fig. 1 and 3, the slide insert 4 further includes a mounting base 43, the insert 41 is fixed on the mounting base 43, the mounting base 43 is sleeved on the positioning pin 42 and inserts the insert 41 into the dovetail groove 45, the mounting base 43 provides a mounting space position for the insert 41 and ensures that the insert 41 is placed in the dovetail groove 45 to move relatively to achieve retraction of the insert 41, one surface of the mounting base 43 close to the first slide 1 abuts against the first slide 1, the first slide 1 abuts against the mounting base 43 to limit movement of the mounting base 43, and the positioning pin 42 is fixed on the second slide 2 and moves along with the second slide 2, so that the dovetail groove 45 of the insert 41 on the mounting base 43 slides relatively on the positioning pin 42 to achieve a better retraction effect.

In the secondary slide retraction mechanism provided by this embodiment, as shown in fig. 1, the slide insert 4 further includes a protection sleeve 44, the protection sleeve 44 is in a hollow conical shape and is fixed on the mounting base 43, a clearance groove is provided on the protection sleeve 44 corresponding to the position of the insert 41, the protection sleeve 44 can protect each part inside the slide insert 4, and the clearance groove provides an adaptive condition for the insert 41 retraction, so as to avoid interference to the insert 41 retraction.

In the secondary slide retraction mechanism provided in this embodiment, as shown in fig. 2, a sliding groove is arranged on the first slide 1, a sliding rail 22 is arranged on the second slide 2, and the second slide 2 is slidably connected to the sliding groove on the first slide 1 through the sliding rail 22, so that the second slide 2 can slide on the first slide 1 conveniently and quickly by this design, and further retraction of the insert 41 can be controlled more easily.

The embodiment provides a secondary slide internal contraction mechanism, as shown in fig. 1, drive arrangement 3 is equipped with fixture block 31, be equipped with draw-in groove 11 on the first slide 1, drive arrangement 3 pass through fixture block 31 with draw-in groove 11 joint on the first slide 1, through this design, drive arrangement 3 can drive first slide 1 outwards to remove so that the product 9 of taking the back-off structure in the side opening demolds smoothly on the one hand well, and on the other hand also convenient to detach maintains.

The secondary slide retraction mechanism provided in this embodiment is as shown in fig. 2, a yielding groove 23 is provided on the second slide 2, the yielding groove 23 corresponds to the slot 11 of the first slide 1, and interference caused by the process of driving the first slide 1 to move outwards by the driving device 3 is avoided.

According to the secondary slide retraction mechanism provided by the embodiment, the driving device 3 is an oil cylinder driving device, and control operation is convenient.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims (7)

1. The utility model provides a secondary position of going contracts mechanism in, its characterized in that, includes first position of going, second position of going, drive arrangement and the position mold insert of going, first position of going with drive arrangement is connected, second position of going sliding connection in on the first position of going, be equipped with on the second position of going from the top to the oblique recess of inside slope, be provided with oblique guide pillar in the oblique recess, on the first position of going with be equipped with the through-hole on the side that the second position of going contacts, the position mold insert of going includes locating pin and inserts, the locating pin passes the through-hole is fixed in on the second position of going, the locating pin is the toper form, be equipped with on the locating pin along the oblique dovetail of toper, insert sliding connection in the dovetail.

2. The secondary slide retraction mechanism according to claim 1, wherein the slide insert further comprises a mounting seat, the insert is fixed on the mounting seat, the mounting seat is sleeved on the positioning pin and enables the insert to be inserted into the dovetail groove, and one surface of the mounting seat close to the first slide abuts against the first slide.

3. The secondary slide retraction mechanism according to claim 2, wherein the slide insert further comprises a protective sleeve, the protective sleeve is in a hollow conical shape and is fixed on the mounting seat, and a clearance groove is formed in the protective sleeve at a position corresponding to the insert.

4. The mechanism of claim 1, wherein the first slide is provided with a slide groove, the second slide is provided with a slide rail, and the second slide is slidably connected to the slide groove of the first slide through the slide rail.

5. The mechanism of claim 1, wherein the driving device has a locking member, the first slide has a locking groove, and the driving device is locked to the locking groove of the first slide by the locking member.

6. The mechanism of claim 5, wherein the second row of slots is provided with an abdicating slot corresponding to the slot of the first row of slots.

7. The mechanism of claim 1, wherein the drive means is a cylinder drive.

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