CN211105387U

CN211105387U - Angle pin withdrawing device

Info

Publication number: CN211105387U
Application number: CN201921854312.3U
Authority: CN
Inventors: 潘峰
Original assignee: Huizhou Songa Industrial Co ltd
Current assignee: Huizhou Songa Industrial Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-28
Anticipated expiration: 2029-10-30

Abstract

The utility model is suitable for an injection mold accessory technical field. The utility model discloses a taper pin withdrawing device, through adopting taking off back-off mechanism to carry out the drawing of patterns to the mould, during the die sinking, the take-up housing drives the take-up housing motion under the effect of taper pin, because first slider goes into the son and all is connected with the take-up housing through the screw with the second slider income son, so can remove toward the direction of motion of take-up housing simultaneously, when the take-up housing removes, first slider goes into the son and can pass through the spout motion under the effect of elasticity, thereby product back-off portion can break away from the knot position, make the smooth drawing of patterns of product.

Description

Angle pin withdrawing device

Technical Field

The utility model relates to an injection mold accessory technical field, in particular to taper pin withdrawing device.

Background

Due to the functional and structural requirements of the product, many situations similar to peripheral barbs and buckling positions of the product often exist in the design process of the injection molding product. The buckling position of the structure is positioned in a die, and the smooth demoulding of the buckling position can not be realized no matter the traditional common sliding block, the inclined sliding block or the inclined pin and the like are adopted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a taper pin withdrawing device, this taper pin withdrawing device, thereby it makes the back-off product that has can break away from through the spout motion under the effect of elastic force and detain the position for the smooth drawing of patterns of product.

In order to solve the problems, the utility model provides an angle pin withdrawing device, which comprises an A plate, a B plate arranged opposite to the A plate, a rear mould core arranged at the middle part of the B plate, a front mould core embedded in the A plate and connected with the rear mould core and an inverse buckle removing mechanism, wherein a product mould cavity is arranged between the front mould core and the rear mould core, the product is provided with an inverse buckle part, the inverse buckle removing mechanism is arranged in the corresponding inverse buckle part and comprises a slide block seat, a first slide block insert, a second slide block insert, an elastic part and an angle pin, the slide block seat is movably connected with the B plate, the first slide block insert is connected with the second slide block insert in a sliding way, the second slide block insert is fixedly connected with the slide block seat through a cup head screw, the angle pin is fixedly connected with the A plate, an elastic part placing groove is arranged on the slide block seat, the elastic part is placed in the placing groove, one end of the elastic part is abutted against the first slide block insert, and the other end is abutted against the angle pin, the bottom of the second slide block insert is provided with a tripping groove matched with the bottom of the reverse buckling part, the surface of the first slide block insert is provided with a tripping notch, and the top of the reverse buckling part is matched with the tripping notch.

Furthermore, the first sliding block insert is provided with a sliding groove, the second sliding block insert is provided with a sliding block, and the sliding block is arranged on the sliding groove and matched with the sliding groove.

Furthermore, the back-off mechanism also comprises a limiting screw, the head part of the limiting screw penetrates through the sliding block seat, and the tail part of the limiting screw extends into the first sliding block insert.

Furthermore, an inclined pin placing groove is formed in the sliding block seat, and corresponds to the inclined pin in position.

Furthermore, a limit screw is longitudinally arranged on the rear mold core, and the limit screw has a certain limit distance on the rear mold core.

Furthermore, the contact surfaces of the first slide block insert and the second slide block insert are both inclined surfaces.

Further, the elastic member is a spring.

Further, the device is also provided with a panel, and the panel is arranged on the top of the A plate.

Furthermore, an upper thimble plate and a lower thimble plate are sequentially arranged on the left lower side of the B plate, and a square iron is arranged on the right lower side of the B plate.

Further, the device should include the bottom plate, bottom plate and square iron fixed connection.

The utility model discloses taper pin withdrawing device, through adopting taking off back-off mechanism to the mould drawing of patterns, during the die sinking, the take-up housing drives the take-up housing motion under the effect of taper pin, because first slider goes into son and second slider and goes into son and all be connected with the take-up housing through the screw, so can remove toward the direction of motion of take-up housing simultaneously, when the take-up housing removes, first slider goes into son and can pass through the spout motion under the effect of elasticity, thereby product back-off portion can break away from the knot position, make the smooth drawing of patterns of product.

Drawings

In order to illustrate the embodiments of the invention or the technical solutions in the prior art more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the description only show some embodiments of the invention and therefore should not be considered as limiting the scope, and for a person skilled in the art, other related drawings can also be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of a mold closing state of a taper pin withdrawing device according to the present invention;

FIG. 2 is a schematic structural view of the mold opening state of the angle pin withdrawing device of the present invention;

FIG. 3 is a schematic structural view of a reverse-locking mechanism in the angle pin withdrawing device of the present invention;

fig. 4 is a schematic structural view of a first slide block insert in a disengaging and reversing mechanism in the taper pin withdrawing device of the present invention;

fig. 5 is a schematic structural view of a second slider insert of a disengaging mechanism in an angle pin withdrawing device according to the present invention;

wherein the reference numerals are: the plate A comprises a plate A1, a plate B2, a front mold core 11, a rear mold core 21, a back-off mechanism 3, a back-off part 4, a slide block seat 31, a first slide block insert 32, a second slide block insert 33, an elastic piece 34, an inclined pin 35, a back-off notch 320, a sliding groove 321, a limit screw 210, a limit screw 36, an inclined pin placing groove 310, a cup head screw 5, a panel 6, an upper ejector plate 22, a lower ejector plate 23, square irons 24 and a lower fixing plate 7.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

To more clearly illustrate the technical solution of the present invention, the following claims are further described in detail with reference to specific embodiments and the drawings, it is to be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and any limited number of modifications made by anyone within the scope of the claims still fall within the scope of the claims.

It should be understood that in the description of the present invention, it is to be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged in use of products of the present invention, and are used for convenience of description and simplicity of description, but do not refer to or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-3, the device comprises an a plate 1, a B plate 2 arranged opposite to the a plate 1, a rear mold core 21 arranged at the middle part of the B plate 2, a front mold core 11 embedded in the a plate 1 and connected with the rear mold core 21, and a back-off mechanism 3, wherein a product mold cavity is arranged between the front mold core 11 and the back mold core 21, a product 8 is provided with a back-off part 4, the back-off mechanism 3 is arranged in the corresponding back-off part 4, the back-off mechanism 3 comprises a slide block seat 31, a first slide block insert 32, a second slide block insert 33, an elastic member 34 and an inclined pin 35, the slide block seat 31 is movably connected with the B plate 2, the first slide block insert 32 is slidably connected with the second slide block insert 33, the second slide block insert 33 is fixedly connected with the slide block seat 31 through a cup head screw 5, the inclined pin 35 is fixedly connected with the a plate 1, an elastic member 34 placing groove (not shown) is arranged on the slide block seat 31, the elastic member 34 is placed in the placing groove (not shown), one end of the elastic element 34 abuts against the first slider insert 32, the other end abuts against the taper pin 35, a tripping groove (not shown) adapted to the bottom of the reverse-buckling portion 4 is formed at the bottom of the second slider insert 33, a tripping notch 320 is formed on the surface of the first slider insert 32, and the top of the reverse-buckling portion 4 is adapted to the tripping notch 320. Demoulding is carried out to the mould through adopting the mechanism of taking off the back-off, during the die sinking, the slider seat drives the slider seat motion under the effect of taper pin, because first slider goes into the son and all is connected with the slider seat through the screw with the second slider goes into the son, so can move toward the direction of motion of slider seat simultaneously, when the slider seat removed, first slider goes into the son and can pass through the spout motion under the effect of elasticity to product back-off portion can break away from the knot position, makes the smooth drawing of patterns of product.

In this embodiment, the first slide insert 32 is provided with a sliding slot 321, the second slide insert 33 is provided with a slide 330, and the slide 330 is disposed in the sliding slot 321 for matching.

In this embodiment, the trip mechanism 3 further includes a limiting screw 36, and the head of the limiting screw 36 passes through the slider seat 31 and the tail thereof extends into the first slider insert 32.

In the present embodiment, the slider holder 31 is provided with a tilt pin placing groove 310, and the tilt pin placing groove 310 corresponds to the position of the tilt pin 35.

In the embodiment, the rear mold core 21 is longitudinally provided with a limit screw 210, and the limit screw 210 has a certain limit distance on the rear mold core 21.

In this embodiment, the contact surfaces of the first slide insert 2 and the second slide insert 33 are both inclined surfaces.

In this embodiment, the elastic member 34 is a spring.

In this embodiment the device is further provided with a faceplate 6, which is arranged on top of the a plate.

In the embodiment, an upper ejector plate 22 and a lower ejector plate 23 are sequentially mounted on the lower left of the B plate, and a square iron 24 is mounted on the lower right.

In the embodiment, the device comprises a lower fixing plate 7, and the lower fixing plate 7 is fixedly connected with a square iron 24.

When the mould is opened, the front mould benevolence separates with the back mould benevolence, the taper pin moves with the front mould benevolence, under the effect of taper pin, drive the motion of slider seat, because first slider goes into the son and all is connected with the slider seat through the screw with the second slider income son, so can move toward the direction of motion of slider seat simultaneously, because the spring both ends go into the son contact with taper pin and first slider respectively, the taper pin moves the back, give the spring and provided elasticity, under the effect of elasticity, make first slider go into the son and move, move certain distance back, spacing screw is used for limiting the slider and goes into the distance that the son moved, go into the son and pass through spacing screw location back when first slider, first slider goes into the son and does not go up motion at second slider income son. Therefore, when the taper pin drives the sliding block seat to move, the first sliding block insert can move through the sliding groove under the action of the elastic force of the spring, so that the product back-off part can be separated from the buckling position, and the product can be smoothly demoulded.

When the die is closed, the angle pin is inserted into the angle pin placing groove, the spring is in a compressed state, and the rear die core presses the first slide block insert to reset, so that the die closing is completed.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments described above, and such modifications or substitutions may be made without departing from the spirit and scope of the present invention in its aspects.

Claims

1. An inclined pin withdrawing device is characterized by comprising an A plate, a B plate arranged opposite to the A plate, a rear die core arranged in the middle of the B plate, a front die core embedded in the A plate and connected with the rear die core, and an undercut removing mechanism, wherein a product die cavity is formed between the front die core and the rear die core, the product is provided with an undercut portion, the undercut removing mechanism is arranged in the corresponding undercut portion, the undercut removing mechanism comprises a sliding block seat, a first sliding block insert, a second sliding block insert, an elastic piece and an inclined pin, the sliding block seat is movably connected with the B plate, the first sliding block insert is in sliding connection with the second sliding block insert, the second sliding block insert is fixedly connected with the sliding block seat through a cup head screw, the inclined pin is fixedly connected with the A plate, an elastic piece placing groove is formed in the sliding block seat, and the elastic piece is placed in the placing groove, and one end of the elastic piece is abutted against the first slide block insert, the other end of the elastic piece is abutted against the taper pin, the bottom of the second slide block insert is provided with a tripping groove matched with the bottom of the reverse-buckling part, the surface of the first slide block insert is provided with a tripping notch, and the top of the reverse-buckling part is matched with the tripping notch.

2. The angle pin withdrawing device as claimed in claim 1, wherein the first slide block insert has a sliding groove, and the second slide block insert has a slide block, and the slide block is disposed in the sliding groove and adapted to the sliding groove.

3. The angle pin withdrawal apparatus of claim 1, wherein the trip mechanism further comprises a setscrew having a head portion passing through the slider housing and a tail portion extending into the first slider insert.

4. The taper pin withdrawing device according to claim 1, wherein a taper pin placing groove is formed on the slider holder, and the taper pin placing groove corresponds to the position of the taper pin.

5. The angle pin withdrawing device as claimed in claim 1, wherein the back mold core is longitudinally provided with a limit screw, and the limit screw has a certain limit distance on the back mold core.

6. The angle pin withdrawing device as claimed in claim 2, wherein the contact surfaces of the first slide insert and the second slide insert are both inclined surfaces.

7. A taper pin withdrawal apparatus according to claim 1, wherein the resilient member is a spring.

8. A skew pin withdrawing apparatus as set forth in claim 1, wherein a panel is further provided, said panel being disposed on top of the a plate.

9. The angle pin withdrawing device according to claim 1, wherein an upper ejector plate and a lower ejector plate are sequentially installed on the lower left of the plate B, and a square iron is installed on the lower right.

10. The angle pin withdrawing device as claimed in claim 9, comprising a lower fixing plate fixedly connected to the square iron.