CN106363839A - Mold frame - Google Patents

Abstract

The invention relates to the technical field of molds, in particular to a mold frame of a mold. The mold frame comprises an upper mold body and a lower mold body. The middle of the upper mold body and the middle of the lower mold body are provided with opposite cavities correspondingly and both provided with positioning holes, and every two opposite positioning holes are internally provided with a positioning pin. Each positioning pin is of a hollow structure with an opening in one end, and a water groove is formed inside each positioning pin. The positioning pins include the water inlet positioning pins and the water outlet positioning pins. An upper opening and a lower opening are formed in the upper end and the lower end of the lateral surface of each positioning pin and communicate with the corresponding water groove. The upper mold body is provided with an upper water groove communicating with the upper openings of the water inlet positioning pins and the upper openings of the water outlet positioning pins. The lower mold body is provided with a lower water groove communicating with the lower openings of the water inlet positioning pins and the lower openings of the water outlet positioning pins. Each positioning pin is of the hollow structure with the opening in one end and communicates with the inner upper water groove and the inner lower water groove, so that a cooling system is effectively formed, and the cost is lowered.

Description

formwork

technical field

The invention relates to the technical field of molds, in particular to a mold base of a mold.

Background technique

The mold is generally composed of a mold core and a mold frame. The mold frame includes an upper mold frame and a lower mold frame. The middle parts of the upper mold frame and the lower mold frame are respectively provided with recessed cavities. When the mold is working, sometimes it needs water cooling. , the current practice is to set up cooling tanks on the upper mold base and the lower mold base respectively. The design of the frame brings difficulty; and increases the manufacturing cost.

Contents of the invention

In order to solve the problem of difficult installation of the mold base cooling system in the prior art, the present invention provides a mold base which does not need to be additionally provided with water inlets and water outlets, thereby reducing its cost.

The technical scheme adopted in the present invention is:

A mold base, comprising an upper mold and a lower mold, the middle parts of the upper mold and the lower mold are respectively provided with opposite concave cavities, the upper mold and the lower mold are both provided with positioning holes, and positioning pins are arranged in the two opposite positioning holes The locating pin is a hollow structure with an open end and a water tank is formed inside; the locating pin includes a water inlet locating pin and a water outlet locating pin, and the upper and lower ends of the side of the locating pin are respectively provided with an upper opening and a lower opening, and the upper opening and the lower opening are respectively connected to the water tank. Connected, the upper mold is provided with an upper water tank for connecting the upper opening of the water inlet positioning pin and the upper opening of the water outlet positioning pin, and the lower mold is provided with a lower water tank for connecting the lower opening of the water inlet positioning pin and the lower opening of the water outlet positioning pin.

In the technical solution, by using the positioning pin as a water tank, it is avoided to set up a water inlet and a water outlet. Moreover, the water inlet positioning pin, the water outlet positioning pin, the upper water tank and the lower water tank form a water cooling system, which has a simple structure and low cost.

Further, the lower die is connected with a push-out device, and the push-out device includes a push-out block, which is movably connected with the lower die and can move inside and outside relative to the lower die; the push-out block includes a push-out slope, and the upper die extends downwards with projections ; The bump is provided with an abutment slope matched with the push-out slope.

Preferably, a positioning device is provided between the upper mold and the lower mold, the positioning device includes positioning pins, and the upper mold and the lower mold are respectively provided with positioning holes.

Further, at least one side of the lower mold is provided with a notch, and one side of the lower end of the notch is provided with a chute, and the push-out block includes a slider part matched with the notch and a slide piece part matched with the chute, and the push-out The slope is arranged on the slider part, and the outer surface of the slider part is provided with a connection hole.

Further, the push-out slope of the push-out block is located outside the slider part.

Further, the two opposite sides of the lower die are respectively provided with gaps, and the push-out blocks are provided in the gaps; the push-out device also includes clamping blocks and screws arranged on the lower die, the clamping blocks are provided with through holes, and the clamping blocks The side of the screw is provided with a slot communicating with the through hole; the middle part of the screw is a polished rod, and the outer diameter of the polished rod is smaller than the outer diameter of the threaded parts on both sides. The polished rod is located in the through hole and cooperates with the through hole. The two slides The block parts are respectively connected with connectors, and one end of the connectors is connected with a nut, and the two nuts are respectively threaded with the two threaded parts of the screw rod, and the screw threads of the two threaded parts are in opposite directions.

The beneficial effects obtained by the present invention are: the present invention sets the positioning pin as a hollow structure with one end open, and communicates the positioning pin with the inner upper water tank and the lower water tank, thereby effectively forming a cooling system and reducing costs.

Description of drawings

Fig. 1 is a schematic diagram of an exploded structure of the present invention.

Fig. 2 is a schematic diagram of another decomposition structure of the present invention.

The reference signs are:

1——upper mold; 11——bulge; 111——abutment slope; 2—lower mold; 21——cavity; 22—notch; ——sliding piece; 33——inclined surface; 4—connecting piece; 5—nut; 6—clamp block; 7—screw; 12—positioning hole; 8—positioning pin; ; 10—connecting rod; 8—sink; 81—upper opening; 82—lower opening.

detailed description

Embodiment: see Fig. 1.

A mold base, comprising an upper mold 1 and a lower mold 2, the middle parts of the upper mold and the lower mold are respectively provided with oppositely arranged concave cavities 21, the upper mold and the lower mold are both provided with positioning holes 12, and the two opposite positioning holes 12 There is a positioning pin 8 inside; the positioning pin 8 is a hollow structure with an opening at one end and a water tank 8 is formed inside; the positioning pin 8 includes a water inlet positioning pin and a water outlet positioning pin, and the upper and lower ends of the side of the positioning pin are respectively provided with an upper opening 81 and a lower The opening 82, the upper opening 81 and the lower opening 82 communicate with the water tank 8 respectively. The lower opening 82 of the water locating pin and the lower gutter 8 of the lower opening 82 of the water locating pin.

In this technical solution, by using the positioning pin as the water tank 8, it is avoided to set the water inlet and the water outlet. Moreover, the water inlet locating pin, the water outlet locating pin and the upper water tank 8 and the lower water tank 8 form a water cooling system, which has a simple structure and low cost.

The lower die 2 is connected with a push-out device, and the push-out device includes a push-out block 3, which is movably connected with the lower die 2 and can move inside and outside relative to the lower die 2; the push-out block 3 includes a push-out slope 33, and the push-out block 3 A protruding block 11 is extended downward;

After processing, the external force acts on the push-out block 3, and the push-out block 3 pushes the bump 11 of the upper die 1 through the push-out slope 33, and the upper die 1 moves upward under the action of the positioning device, thereby reaching the upper die 1 and the lower die 2 separation effect. The operation is simple and the production efficiency is greatly improved.

Further, at least one of the sides of the lower mold 2 is provided with a notch 22, and one side of the lower end of the notch 22 is provided with a chute. The sheet portion 32 , the push-out slope 33 is disposed on the slider portion 31 , and the outer surface of the slider portion 31 is provided with a connection hole.

When acting on the slider part 31, it can be connected with the slider part 31 through a connecting hole, such as a bolt, and then act on the slider part 31 through the bolt, which is convenient to operate.

Further, the push-out slope 33 of the push-out block 3 is located outside the slider portion 31 .

Of course, it can also be located on the inner side. When it is located on the outer side, the upper mold 1 can be ejected only by pulling the slider part 31 outward; .

Further, the two opposite sides of the lower mold 2 are provided with gaps respectively, and the push-out blocks 3 are arranged in the gaps; the push-out device also includes a clamp block 6 and a screw 7 arranged on the lower mold 2, and the clamp block 6 is set There is a through hole, and the side of the clamp block 6 is provided with a slot communicating with the through hole; the middle part of the screw rod 7 is a polished rod, and the outer diameter of the polished rod is smaller than the outer diameter of the threaded part on both sides, and the polished rod is located in the through hole and connected to the through hole. The two slider parts 31 are connected with a connector 4, and one end of the connector 4 is connected with a nut 5, and the two nuts 5 are respectively threaded with the two threaded parts of the screw rod 7, and the threads of the two threaded parts The direction of rotation is opposite.

By rotating the screw 7 with external force, the push-out blocks 3 on opposite sides can move in opposite directions, so that the upper mold 1 can be pushed out. The connecting piece is an L-shaped rod.

Embodiment 2: Referring to Fig. 2, the structure is basically the same as that of Embodiment 1, the difference lies in the push-out device; the two opposite sides of the lower die 2 are respectively provided with gaps, and the push-out blocks 3 are provided in the gaps; The push-out device also includes two fixed blocks 9 arranged on the lower mold 2, and the screw rod 7 connected with the fixed blocks 9, the middle part of the fixed block 9 is provided with a through hole, the slider part 31 is connected with the connecting piece 4, and one end of the connecting piece 4 A nut 5 is connected, and one end of the screw rod 7 passes through the through hole of the fixed block 9 and is connected with the nut 5. The other end of the screw rod 7 is provided with a connector whose diameter is greater than that of the through hole, and the end face of the connector is provided with a blind hole A connecting rod 10 is arranged between the two blind holes, and the depth of each blind hole is greater than the length of the connecting rod 10, and the helical directions of the two screw rods are opposite.

Before use, the connecting rod 10 is inserted into one of the blind holes, and partly exposed, each screw rod 7 is respectively connected with a corresponding nut, and the corresponding push-out block 3 is positioned; then the exposed end of the connecting rod 10 is inserted into the other In the blind hole, the two screw rods are connected in this way. Preferably, the cross-sections of the connecting rod 10 and the blind hole are polygonal in shape. After use, rotating one of the screw rods 7 by external force will drive the other screw rod 7 to rotate.

The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the patent of the present invention.

Claims (6)

1. a kind of mould bases, including upper die and lower die, the middle part of upper die and lower die is respectively equipped with the cavity being oppositely arranged, upper mould and under Mould all offers location hole, and two relative positioning in the holes are provided with alignment pin；It is characterized in that: alignment pin is in one end open Hollow structure and be internally formed tank；Alignment pin includes intake alignment pin and water outlet alignment pin, the top and bottom of alignment pin side It is respectively equipped with upper shed and under shed, upper shed is connected with tank respectively with shed, upper mould is provided with for connection water inlet positioning The upper flume of the upper shed of the upper shed of pin and water outlet alignment pin, lower mould is provided with the under shed for connecting water inlet alignment pin and goes out The lower flume of the under shed of water alignment pin.

2. mould bases according to claim 1 it is characterised in that: lower mould is connected with ejecting device, ejecting device include release Block, injection block is flexibly connected with lower mould and can move inside and outside lower mould；Described injection block include one release inclined-plane, described on Mould has extended downwardly projection；Projection is provided with and releases the abutting inclined-plane matching on inclined-plane.

3. mould bases according to claim 2 it is characterised in that: lower mould at least one of which side is provided with breach, under breach The side at end is provided with chute, and described injection block includes the slide section matching with breach and the slide plate portion matching with chute, institute State release inclined-plane and be arranged at slide section, the lateral surface of slide section is provided with connecting hole.

4. mould bases according to claim 3 it is characterised in that: the inclined-plane of releasing of described injection block is located at the outer of slide section Side.

5. mould bases according to claim 4 it is characterised in that: two opposite flanks of lower mould are respectively equipped with breach, breach Inside it is equipped with described injection block；Described ejecting device also includes fixture block and the screw rod being arranged on lower mould, and fixture block is provided with through hole, folder The side of block is provided with the fluting connecting with through hole；The middle part of described screw rod is polished rod, and the external diameter of polished rod is less than both sides threaded portion External diameter, polished rod be located in through hole and with through hole cooperation, described two slide section are connected to connector, one end of connector It is connected with nut, two nuts are connected with two threaded portion of screw rod respectively, and the thread rotary orientation of two threaded portions is contrary.

6. mould bases according to claim 4 it is characterised in that: two opposite flanks of lower mould are respectively equipped with breach, breach Inside it is equipped with described injection block；Described ejecting device also includes two fixed blocks being arranged on lower mould, and with fixed block even The screw rod connecing, the middle part of fixed block is provided with through hole, and slide section is connected with connector, and one end of connector is connected with nut, screw rod One end pass through the through hole of fixed block to be connected with nut, the other end of screw rod is provided with union joint, union joint with diameter greater than through hole Diameter, the end face of union joint is provided with blind hole, is provided with connecting rod between two blind holes, and the depth of each blind hole is all higher than connecting The length of bar, two screw flights are oppositely oriented.