CN109648794B

CN109648794B - Press fixed knot of auto-parts injection mold insert of release to construct

Info

Publication number: CN109648794B
Application number: CN201811562633.6A
Authority: CN
Inventors: 冯建康; 罗词金
Original assignee: Jiangsu Ronteng Precision Component Technology Co ltd
Current assignee: Jiangsu Ronteng Precision Component Technology Co ltd
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2020-09-08
Anticipated expiration: 2038-12-20
Also published as: CN109648794A

Abstract

The invention discloses a press-released insert fixing structure of an injection mold of an automobile part, which comprises: die holder, template, draw runner and terrace die insert, terrace die insert bottom is provided with the embedding board, the symmetry is provided with the spacing bent plate of L shape bottom of embedding board, be provided with the slide between die holder and the template, the draw runner sets up on the slide and extends to in the spacing bent plate of L shape, slide one side is provided with down the inclined plane, the indent of template bottom surface is provided with the shoulder hole that upwards extends, be provided with the button in the shoulder hole, the button bottom is provided with the push rod of directional slide, the push rod bottom surface is provided with the last inclined plane with the laminating of lower inclined plane, be provided with the spring between slide and the cushion. According to the press-release fixing structure for the automobile accessory injection mold insert, the button is pressed, the upper inclined surface pushes the lower inclined surface to enable the sliding seat to retreat, the sliding strip is driven to retreat to lose the limit of the L-shaped limit bent plate, and the male mold insert is taken down to be quickly replaced.

Description

Press fixed knot of auto-parts injection mold insert of release to construct

Technical Field

The invention relates to the technical field of automobile part injection molds, in particular to a press-released automobile part injection mold insert fixing structure.

Background

The plastic parts in the auto-parts are more, and need injection mold to produce. In order to form the concave cavity of the accessory product, a male die insert is generally required to be installed and matched with a female die, and injection molding is carried out after die assembly, so that an ideal plastic product is obtained.

The male die insert is usually fixed on the template by bolts, and in order to avoid the exposure of the head of the bolt, the bolt generally penetrates through the template and is matched with a threaded hole in the bottom surface of the male die insert to fix the male die insert, so that the male die insert is complex to install and disassemble, and cannot be quickly maintained.

In addition, different models of similar products can be produced by replacing the punch insert, for example, products with increased wall thickness only need to replace the punch insert with smaller size. The male die insert is complex to disassemble and assemble, so that the die plate needs to be disassembled, reassembled and positioned, the time for replacing the die is greatly prolonged, and improvement is needed.

Disclosure of Invention

The invention aims to provide a press-releasing fixing structure for an automobile part injection mold insert, which is used for quickly locking and press-releasing the mold insert and improving the replacement rapidity.

In order to achieve the purpose, the invention adopts the following technical scheme:

a press-release auto-parts injection mold insert fixing structure, comprising: the die comprises a die holder, a die plate, a slide bar and a male die insert, wherein cushion blocks are arranged on the die holder at intervals, the die plate is arranged on the cushion blocks, the bottom of the male die insert is provided with an embedded plate, the top surface of the template is concavely provided with an embedded groove corresponding to the embedded plate, the bottom of the embedding groove is provided with a through hole, the bottom of the embedding plate is symmetrically provided with L-shaped limiting bent plates positioned in the through hole, a sliding seat is arranged between the die holder and the template, the sliding strip is arranged on the sliding seat and extends into the L-shaped limiting bent plate, one side of the sliding seat is provided with a lower inclined plane, the bottom surface of the template is concavely provided with a stepped hole extending upwards, the button is arranged in the stepped hole, a push rod pointing to the slide seat is arranged at the bottom of the button, an upper inclined plane attached to the lower inclined plane is arranged on the bottom surface of the push rod, and a spring is arranged between the slide seat and the cushion block.

And the bottom of the die holder is provided with a bolt which penetrates through the cushion block and is connected with the template.

The L-shaped limiting bent plate, the male die insert and the embedded plate are of an integrated steel structure or a bolt mode assembly structure.

Wherein the top surface of the embedded plate is flush with the top surface of the template.

Wherein, the cushion inboard is provided with the uide bushing that corresponds with the spring.

And a sliding groove corresponding to the sliding seat is concavely arranged on the die holder.

The button is a stepped column, the spring is stretched to push the sliding seat to move forwards to drive the sliding strip to enter the L-shaped limiting bent plate to limit the L-shaped limiting bent plate, the lower inclined surface pushes the upper inclined surface to enable the push rod to move upwards, and the button rises and resets to be flush with the top surface of the template.

The invention has the beneficial effects that: the utility model provides a press auto-parts injection mold of release fixed knot that inserts, press down the button, drive push rod moves down, go up the inclined plane and promote down the inclined plane and make the slide retreat, drive the draw runner and retreat and lose spacing to the spacing bent plate of L shape, can take off the terrace die and insert and carry out quick replacement, then release button, the promotion of slide and draw runner is carried out after the spring extends, the realization is spacing again and the auto-lock to the spacing bent plate of L shape, stability is high, the operation is swift.

Drawings

FIG. 1 is a schematic view of a press release automotive part injection mold insert retaining structure of the present invention;

FIG. 2 is a schematic view of a push button of a press release automotive part injection mold insert retaining structure of the present invention when pressed.

Detailed Description

The technical solution of the present invention is further described by the specific embodiment with reference to fig. 1 to 2.

A press-release auto-parts injection mold insert fixing structure, comprising: the die comprises a die holder 1, a die plate 3, a slide bar 9 and a male die insert 6, wherein cushion blocks 2 are arranged on the die holder 1 at intervals, the die plate 3 is arranged on the cushion blocks 2, and bolts penetrating through the cushion blocks 2 and connected with the die plate 3 are arranged at the bottom of the die holder 1, so that the installation is convenient.

The bottom of the male die insert 6 is provided with an embedded plate 5, the top surface of the die plate 3 is provided with embedded grooves corresponding to the embedded plate 5 in an inwards concave mode, the top surface of the embedded plate 5 is flush with the top surface of the die plate 3 in the embedded grooves corresponding to the embedded plate 5, and the smoothness of the surface of the die plate 3 is kept.

The bottom of the embedded groove is provided with a through hole 13, the bottom of the embedded plate 5 is symmetrically provided with an L-shaped limiting bent plate 8 positioned in the through hole 13, the L-shaped limiting bent plate 8, the male die insert 6 and the embedded plate 5 are of an integrated steel structure or a bolt mode assembly structure, and the bolt mode assembly structure is preferentially adopted, so that the cost is low.

A sliding seat 10 is arranged between the die holder 1 and the die plate 3, the sliding strips 9 are arranged on the sliding seat 1 and extend into the L-shaped limiting bent plate 8 to limit the L-shaped limiting bent plate 8, the stability of the male die insert 6 is ensured, two sliding strips 9 are fixed on each sliding seat 1 through bolts, and the double-drive stability is high.

Slide 10 one side is provided with down

inclined plane

14, 3 bottom surfaces of template indent are provided with the shoulder hole 7 that upwards extends, be provided with button 4 in the shoulder hole 7, can carry out pushing down of button 4 through shoulder hole 7, button 4 bottom is provided with the push rod 15 of

directional slide

10, 15 bottom surfaces of push rod are provided with the last inclined plane of 14 laminatings down with inclined plane, press button 4, and drive push rod 15 moves down, goes up inclined plane 14 and makes slide 10 backset under the inclined plane promotion, drives the draw runner 9 backset and loses the spacing to the spacing bent plate of L shape, can take off the terrace die insert and carry out quick replacement, be provided with spring 11 between slide 10 and the

cushion

2, 2 inboards of cushion are provided with uide bushing 12 corresponding with spring 11, make things convenient for spring 11's installation and direction. The die holder 1 is provided with a sliding groove corresponding to the sliding seat 10 in an inwards concave mode, and the stability of the die holder 1 in transverse movement is improved.

The button 4 is a stepped column, the cross section of the button is of a T-shaped structure, the button can conveniently move up and down in the stepped hole 7, and the stepped hole 7 is used for guiding and limiting. After a new male die insert 6 is replaced, the button 4 is released, the spring 11 extends to push the sliding seat 10 to move forwards, the slide bar 9 is driven to enter the L-shaped limiting bent plate 8 to limit the L-shaped limiting bent plate 8, meanwhile, the lower inclined surface 14 pushes the upper inclined surface to enable the push rod 15 to move upwards, the button 4 rises and resets to be flush with the top surface of the die plate 3, and the operation is fast.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. The utility model provides a press auto-parts injection mold insert fixed knot of release constructs which characterized in that includes: the die comprises a die holder, a die plate, a slide bar and a male die insert, wherein cushion blocks are arranged on the die holder at intervals, the die plate is arranged on the cushion blocks, the bottom of the male die insert is provided with an embedded plate, the top surface of the template is concavely provided with an embedded groove corresponding to the embedded plate, the bottom of the embedding groove is provided with a through hole, the bottom of the embedding plate is symmetrically provided with L-shaped limiting bent plates positioned in the through hole, a sliding seat is arranged between the die holder and the template, the sliding strip is arranged on the sliding seat and extends into the L-shaped limiting bent plate, one side of the sliding seat is provided with a lower inclined plane, the bottom surface of the template is concavely provided with a stepped hole extending upwards, the button is arranged in the stepped hole, a push rod pointing to the slide seat is arranged at the bottom of the button, an upper inclined plane attached to the lower inclined plane is arranged on the bottom surface of the push rod, and a spring is arranged between the slide seat and the cushion block.

2. The press release vehicle injection mold insert retaining structure as claimed in claim 1, wherein the base bottom is provided with a bolt passing through the spacer to connect with the mold plate.

3. The press release injection mold insert fixing structure for automobile parts according to claim 1, wherein the L-shaped limiting bent plate, the male mold insert and the embedded plate are of an integrated steel structure or a bolt-type assembly structure.

4. The press release automotive part injection mold insert fixing structure as defined in claim 1, wherein the insert plate top surface is flush with the mold plate top surface.

5. The press release automotive part injection mold insert fixing structure as claimed in claim 1, wherein a guide sleeve corresponding to the spring is provided inside the cushion block.

6. The press release injection mold insert fixing structure for automobile parts according to claim 1, wherein the mold base is provided with a sliding groove corresponding to the sliding base in a concave manner.

7. The insert fixing structure for a press-releasing injection mold of an automobile accessory according to claim 1, wherein the button is a stepped column, and after the spring is extended, the sliding seat is pushed to move forward to drive the sliding strip to enter the L-shaped limiting bent plate to limit the L-shaped limiting bent plate, and simultaneously the lower inclined surface pushes the upper inclined surface to move the push rod upward, so that the button is lifted and reset to be flush with the top surface of the mold plate.