CN212171134U

CN212171134U - Novel die adopting four-way sliding block for positioning

Info

Publication number: CN212171134U
Application number: CN202020097849.6U
Authority: CN
Inventors: 赵帅伟; 杨文学
Original assignee: LUOYANG LINUO MOLD CO Ltd
Current assignee: LUOYANG LINUO MOLD CO Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-12-18
Anticipated expiration: 2030-01-16

Abstract

The utility model provides an adopt novel mould of quadriversal slider location, including the cover half that sets up relatively, the movable mould, this cover half is including connecting cover half bedplate as an organic whole, the fixed die plate, this movable mould is including connecting the movable mould board as an organic whole, mold foot and movable mould bedplate, install fixed die benevolence on the fixed die plate, install movable die benevolence on the movable mould board, the symmetry is equipped with the oblique guide pin that the slope set up on the fixed die plate, it is equipped with the slider with oblique guide pin direction sliding fit to slide on the movable mould board, install the slider mold insert on the slider, fixed die benevolence, movable die benevolence and slider mold insert form the mould die cavity that is used for the shaping work piece when the mould is in the compound die. The utility model discloses a can four-way gliding slider fix a position mould benevolence or mold insert that are used for the shaping work piece for the mould cavity precision that forms behind the compound die is higher, more can guarantee the precision, the size of product like this, is fit for the shaping of high accuracy work piece.

Description

Novel die adopting four-way sliding block for positioning

Technical Field

The utility model belongs to the technical field of the mould, in particular to adopt novel mould of quadriversal slider location.

Background

PEEK polyether ether ketone (TECAPEEK) is a special engineering plastic with excellent properties of high temperature resistance, wear resistance, corrosion resistance, self lubrication, easy processing, high mechanical strength and the like, and can be manufactured and processed into various mechanical parts, such as automobile gears, oil screens and gear shifting starting discs; aircraft engine parts, automatic washing machine rotating wheels, medical equipment parts and the like. Because products made of PEEK materials are mostly used for parts of key or core products, and besides, the shrinkage rates of different types of workpieces made of PEEK materials are greatly different, and the materials are expensive, the requirements on the mold are very strict, and the existing mold basically adopts upper and lower mold closing to position and injection mold the mold core of a formed workpiece, so that the precision of the manufactured workpiece is not high, and the special requirements of the PEEK product manufacturing mold on high precision and high standard cannot be met.

Disclosure of Invention

In order to overcome the current not enough, the utility model aims to provide a mould pressing die of novel structure, it adopts and can follow the gliding slider of quadriversal direction and carry out accurate compound die location to the mould benevolence of mould for the part precision of making out is higher.

The utility model aims at adopting the following technical scheme to realize. The foundation the utility model provides an adopt novel mould of quadriversal slider location, including cover half, the movable mould that sets up relatively, this cover half is including connecting cover half bedplate, the fixed die plate as an organic whole, and this movable mould installs cover half mould benevolence on the fixed die plate including connecting movable mould board, die leg and the movable mould bedplate as an organic whole, installation movable mould benevolence on the movable mould board, the symmetry is equipped with the cam pin that the slope set up on the fixed die plate, and the last slip of movable mould board is equipped with the slider with cam pin direction sliding fit, installs the slider mold insert on the slider, and cover half mould benevolence, movable mould benevolence and slider mold insert form the mould die cavity that is used for the shaping work piece when the mould is in the compound die state, install the irritate.

In the above mold, the slide block includes a horizontal sliding portion and a sliding portion formed by upward extending the horizontal sliding portion, the horizontal sliding portion is plate-shaped and has a sliding groove at the bottom, and the movable mold plate is provided with a sliding rail matched with the sliding groove.

In the above mold, the slide block is provided with an inclined hole for the inclined guide pin to slide through.

In the aforementioned mold, one side of the slide fitting portion has an inclined surface for guiding and slide fitting with the fixed mold plate, and the slide block insert is fixed to the other side of the slide fitting portion.

In the mold, the fixed mold base plate is used for being connected with a fixed working table of an injection molding machine, and the fixed mold base plate is provided with the positioning ring; the movable mould base plate is used for being connected with the movable working table surface of the injection molding machine, and the movable mould base plate is provided with an ejection hole.

In the above mold, the inclined plane of the slide block is fixedly provided with the first wear-resistant block through a screw, and the movable mold plate is provided with the second wear-resistant block.

In the die, the two sides of the movable die plate are provided with the limiting screws for limiting the sliding block.

In the die, the movable die base plate is provided with the upper ejector plate and the lower ejector plate which are connected into a whole, wherein the upper ejector plate is internally provided with the ejector pins for ejecting the workpiece, and the lower ejector plate supports the ejector pins.

In the above mold, a plurality of return springs for returning the upper ejector plate and the lower ejector plate are installed between the upper ejector plate and the fixed mold plate.

In the above mold, the fixed mold base plate is fixedly provided with the supporting column which plays a guiding role for the upper and lower ejector plates, and the top of the supporting column is abutted to the fixed mold plate.

By means of the technical scheme, the utility model adopts the slide block capable of sliding in four directions to position the mold core or the mold insert for molding the workpiece, so that the precision of the mold cavity formed after mold closing is higher, the precision and the size of the product can be ensured, and the die is suitable for molding the high-precision workpiece; in addition, the wear-resisting piece that sets up in a matched manner has improved the life of mould, has reduced the mould and has repaiied the mould number of times.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic side view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1 to 2, a novel mold using a four-way slider for positioning includes a fixed mold and a movable mold, the fixed mold includes a fixed mold base plate 1 and a fixed mold plate 2, which are connected as a whole, and the movable mold includes a movable mold plate 3, mold legs 4 and a movable mold base plate 5, which are connected as a whole. The fixed die plate 2 is fixedly provided with a fixed die core 6, the movable die plate is fixedly provided with a movable die core 7, the fixed die plate 2 is symmetrically provided with inclined guide pins 8 which are obliquely arranged, the two inclined guide pins are symmetrically distributed in a splayed manner, and the fixed die core is positioned between the two inclined guide pins. The sliding block 9 is arranged on the movable template 3 in a sliding way, the sliding blocks are symmetrically arranged, each sliding block comprises a horizontal sliding part 91 and a sliding part 92 formed by upwards extending the horizontal sliding part, the sliding block is integrally L-shaped, the horizontal sliding part is plate-shaped, the bottom of the horizontal sliding part is provided with a sliding groove, the movable template is provided with a sliding rail matched with the sliding groove, the sliding groove in the embodiment can be a T-shaped sliding groove, and the sliding rail is a T-shaped sliding rail matched with the sliding groove, so that the sliding block can only slide on the movable template, but can not be separated from the movable template along the mold opening and closing direction, and the structure of the sliding groove and the sliding; one side of the sliding fit part 92 is an inclined plane used for guiding and sliding fit with the fixed die plate, the other side of the sliding fit part 92 is provided with a slide block insert 10 used for forming the side part of a workpiece, and a through inclined hole used for guiding and sliding fit with an inclined guide pin is formed in the slide block 9. When the mold is in a mold closing state, the fixed mold core 6, the movable mold core 7 and the slide block insert 10 form a mold cavity for molding a workpiece together. The fixed die base plate is also used for fixing the fixed die part on a fixed working table surface of the injection molding machine, and the movable die base plate is also used for fixing the movable die part on a movable working table surface of the injection molding machine.

The fixed die base plate 1 is provided with a positioning ring 11 for realizing the positioning between the die and the injection molding machine; the fixed die base plate is provided with a filling nozzle 12 used for being connected with a nozzle of an injection molding machine, the bottom of the filling nozzle 12 extends and is communicated to a runner 61 arranged on the fixed die core 6, the runner is communicated with the inside of a die cavity, and during injection molding, plastic in a molten state is injected into the filling nozzle from the nozzle and then enters the inside of the die cavity along the runner.

Preferably, in order to reduce the part abrasion caused by the friction between the sliding block 9 and the fixed die plate 2, a first abrasion-resistant block 13 is fixedly arranged on the inclined surface of the sliding block 9 through a screw 14; in order to reduce the contact surface abrasion caused by the friction between the slide block 9 and the movable die plate 3, a second abrasion-resistant block 15 is embedded in the movable die plate 3.

Preferably, stop screws 16 for limiting the slide are attached to both sides of the movable die plate to prevent the slide from coming off the movable die plate when sliding to both sides.

In order to facilitate demoulding of the formed workpiece, a through ejector hole 17 is formed in the movable mould base plate 5, an upper ejector plate 18 and a lower ejector plate 19 which are fixedly connected are placed on the movable mould base plate 5, an ejector pin 20 is installed in the upper ejector plate, the ejector pin 20 extends upwards to the workpiece in the mould cavity, and the lower ejector plate 19 supports the ejector pin. The ejector rod can push the upper ejector plate and the lower ejector plate upwards through the ejector hole, so that the ejector pin is driven to eject the workpiece after the mold is opened.

Furthermore, in order to realize the resetting of the upper ejector plate and the lower ejector plate after the workpiece is ejected, a plurality of return springs 21 are arranged between the upper ejector plate 18 and the fixed die plate 3; specifically, the return spring is sleeved on a sliding column fixed on the upper ejector plate, and the sliding column can be inserted into a corresponding hole in the bottom of the fixed die plate in a sliding mode when the upper ejector plate moves upwards. In order to guide the upper ejector plate and the lower ejector plate when moving, a supporting column 22 is fixedly arranged on the movable mould base plate, and the top of the supporting column 22 is abutted against the movable mould plate 3 and can be used for supporting the movable mould plate. Preferably, a limit column 23 for limiting the upward ejection stroke of the ejector pin is fixed on the upper ejector plate.

The utility model discloses mould and press mould's work flow as follows:

the first step is as follows: the utility model is hoisted between the guide posts of the injection molding machine by a technician, the fixed mold base plate 1 is connected with the fixed working table surface of the injection molding machine, the positioning ring 11 is used for realizing the positioning between the fixed mold base plate and the injection molding machine, so that the filling nozzle 12 is aligned with the nozzle of the injection molding machine, and then the movable working table surface of the injection molding machine drives the movable mold base plate to move upwards to realize the integral compression of the mold;

the second step is that: adjusting the mold, namely adjusting the opening and closing stroke of the injection molding machine to be within the range of the total thickness of the mold, and pressing the mold to the state shown in figure 1 so as to ensure the smooth opening and closing of the mold;

the third step: the injection molding and mold opening (demolding) of the mold are divided into the following processes:

(1) after the mold is closed, the injection molding machine injects the molten PEEK engineering plastic into the mold cavity through the filling nozzle 12 and the runner, and then the molten PEEK engineering plastic is cooled for 10-20 seconds to be fully solidified and molded and then the mold is opened.

(2) When the mold is opened, the mold closing system of the injection molding machine drives the movable mold to retreat, and the fixed mold plate 2 is separated from the movable mold plate 3; in the mold opening process, the slide blocks 9 are pulled by the movable mold plate 3 and slide to two sides under the guiding action of the inclined guide pins 8, the slide block inserts 10 arranged on the two slide blocks 9 open the mold and are far away from the workpiece, the workpiece and the movable mold retreat together, and then the workpiece is ready to be ejected.

(3) The ejector rod of the injection molding machine ejects the upper ejector plate and the lower ejector plate upwards through the ejection hole 17, further drives the ejector pin to eject the workpiece, so that a demolding process is completed, and finally the workpiece is taken out from the mold cavity. After the ejector rod is reset, the upper ejector plate and the lower ejector plate are reset under the action of the return spring 21, the ejector pin 20 is reset along with the upper ejector plate and the lower ejector plate, the movable die and the fixed die are matched with each other again, and a production process is completed.

The utility model provides a mould uses quadriversal slider positioning mode in the design process, has upper and lower compound die power and horizontal direction compound die power concurrently for mould benevolence and mold insert guarantee higher compound die precision behind the compound die, improve the precision size and the production qualification rate of product.

In other embodiments, the die of the utility model can also be used for forming workpieces made of other plastic or rubber materials, and the utility model does not limit the materials of the formed workpieces; and the movable mould core or the fixed mould core can be additionally provided with proper inserts to realize the forming of workpieces with various shapes and structures.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art can easily modify, change or modify the above embodiments according to the technical spirit of the present invention without departing from the scope of the present invention.

Claims

1. The utility model provides an adopt novel mould of quadriversal slider location, including cover half, the movable mould that sets up relatively, this cover half is including connecting cover half bedplate, the fixed die plate as an organic whole, and this movable mould installs cover half benevolence including connecting movable mould board, die leg and the movable mould bedplate as an organic whole on the fixed die plate, installs movable mould benevolence on the movable mould board, its characterized in that: the die is characterized in that the fixed die plate is symmetrically provided with inclined guide pins which are obliquely arranged, the movable die plate is slidably provided with a slide block which is in guide sliding fit with the inclined guide pins, a slide block insert is installed on the slide block, the fixed die core, the movable die core and the slide block insert form a die cavity for forming a workpiece when the die is in a die closing state, and the fixed die base plate is provided with a filling nozzle communicated with the die cavity.

2. The novel die adopting the four-way sliding block for positioning as claimed in claim 1, wherein: the slider includes horizontal sliding part and the sliding fit portion that upwards extends formation by this horizontal sliding part, and horizontal sliding part is platelike and the bottom is equipped with the spout, is equipped with the slide rail with spout complex on the movable mould board.

3. The novel die adopting the four-way sliding block for positioning as claimed in claim 2, wherein: and the slide block is provided with an inclined hole for the inclined guide pin to slide and penetrate.

4. The novel die adopting the four-way sliding block for positioning as claimed in claim 2, wherein: one side of the sliding matching part is provided with an inclined surface used for guiding and sliding matching with the fixed template, and the slide block insert is fixed on the other side of the sliding matching part.

5. The novel die adopting the four-way sliding block for positioning as claimed in claim 1, wherein: the fixed die base plate is used for being connected with a fixed working table surface of the injection molding machine, and a positioning ring is arranged on the fixed die base plate; the movable mould base plate is used for being connected with the movable working table surface of the injection molding machine, and the movable mould base plate is provided with an ejection hole.

6. The novel die adopting the four-way sliding block for positioning as claimed in claim 4, wherein: the inclined plane of the sliding block is fixedly provided with a first wear-resistant block through a screw, and the movable template is provided with a second wear-resistant block.

7. The novel die adopting the four-way sliding block for positioning as claimed in claim 6, wherein: and limiting screws for limiting the sliding block are arranged on two sides of the movable template.

8. The novel die adopting the four-way sliding block for positioning as claimed in claim 1, wherein: the movable mold base plate is provided with an upper ejector plate and a lower ejector plate which are connected into a whole, wherein an ejector pin for ejecting a workpiece is installed in the upper ejector plate, and the lower ejector plate plays a supporting role for the ejector pin.

9. The novel mold of claim 8, wherein the four-way slide block is used for positioning: and a plurality of return springs for resetting the upper ejector plate and the lower ejector plate are arranged between the upper ejector plate and the fixed die plate.

10. The novel mold of claim 9, wherein the four-way slide block is used for positioning: the fixed die base plate is fixedly provided with a supporting column which plays a role in guiding the upper ejector plate and the lower ejector plate, and the top of the supporting column is abutted to the fixed die plate.