CN211640839U

CN211640839U - Plastic injection molding die

Info

Publication number: CN211640839U
Application number: CN201921307934.4U
Authority: CN
Inventors: 曹凤香; 刘育林
Original assignee: Xian Aeronautical University
Current assignee: Xian Aeronautical University
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-10-09
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a plastics injection moulding mould relates to the injection mold field, accomplishes the operation back of moulding plastics to current injection mold, and the problem of injection moulding product cooling time of a specified duration and drawing of patterns difficulty now proposes following scheme, and it includes the liquid reserve tank, the top of liquid reserve tank is connected with the cooling tank of uncovered setting, just the both sides of liquid reserve tank with it is provided with feed liquor pipe and back flow to communicate respectively between the both sides of cooling tank, there is driving motor on the top of liquid reserve tank through the mounting screw, just driving motor's output shaft is vertical to be set up, and extends to the internal connection of cooling tank and have the dwang, the inside of cooling tank is provided with the lower mould and goes up the mould. The utility model discloses novel structure, and the device can effectually carry out cooling treatment operation to the inside product of injection mold, shortens its cooling time, improves injection moulding product's machining efficiency, and the device also can assist simultaneously and carry out the product drawing of patterns and handle, guarantees that the aesthetic measure of product is not impaired, suitable popularization.

Description

Plastic injection molding die

Technical Field

The utility model relates to an injection mold field especially relates to plastics injection molding mould.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

After the injection mold completes raw material injection, an injection product cannot be effectively cooled, so that the cooling time is long, and the problem of difficult demolding of the injection product can be caused after the cooling is completed, so that the attractiveness and the processing efficiency of the injection product are influenced, and therefore, the injection mold is provided for solving the problems.

Disclosure of Invention

The utility model provides a plastics injection moulding mould has solved current injection mould and has accomplished the operation back of moulding plastics, and injection moulding product cooling time is of a specified duration and the problem of drawing of patterns difficulty.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the plastic injection molding mold comprises a liquid storage tank, wherein the top end of the liquid storage tank is connected with an open cooling tank, liquid inlet pipes and return pipes are respectively communicated and arranged between the two sides of the liquid storage tank and the two sides of the cooling tank, a driving motor is installed at the top end of the liquid storage tank through screws, an output shaft of the driving motor is vertically arranged upwards and extends to the inside of the cooling tank to be connected with a rotating rod, a lower mold and an upper mold are arranged inside the cooling tank, a stripper plate is connected to the inner wall of the lower mold in a sliding manner, a sleeve is connected to the bottom end of the stripper plate, a threaded ring is connected to the end part of the rotating rod extending to the inside of the sleeve, an impeller is fixedly sleeved on the circumferential side wall of the rotating rod and is positioned below the lower mold, connecting rods symmetrically arranged are connected to the two sides of the, the both sides inner wall of cooler bin is provided with the spout that the symmetry set up along its direction of height, just the spout with slider sliding connection, the bottom inner wall connection of spout has the spring that is vertical setting, just the top of spring is connected with the bottom of slider, the both sides wall slip through connection of cooler bin has the pin rod that the symmetry set up.

Preferably, the bottom of going up the mould is provided with the fixture block, the top of lower mould is provided with the draw-in groove, and draw-in groove and fixture block adaptation, and the top of going up the mould link up and is provided with the injection hole.

Preferably, the upper section of the inner wall of the sleeve is smoothly arranged, and the lower section of the inner wall of the sleeve is provided with a thread matched with the thread ring.

Preferably, the liquid inlet pipe and the return pipe are connected with a micro liquid pump at one end inside the liquid storage tank.

Preferably, a cooler is installed inside the liquid storage tank.

The utility model has the advantages that: through the setting of driving motor, dwang, liquid reserve tank, feed liquor pipe, cooler bin, pin rod, connecting rod, fixture block, go up the mould, stripper plate, lower mould, back flow, impeller, threaded ring, sleeve, spout, slider, spring for the device can effectually carry out cooling treatment operation to the inside product of injection mold, shortens its cooling time, improves injection moulding product's machining efficiency, and the device also can assist simultaneously and carry out the product drawing of patterns and handle, guarantees that the aesthetic measure of product is not impaired.

To sum up, the device can effectually carry out cooling treatment operation to the inside product of injection mold, shortens its cooling time, improves injection moulding product's machining efficiency, and the device also can assist simultaneously and carry out product drawing of patterns and handle, guarantees that the aesthetic measure of product is not impaired, suitable popularization.

Drawings

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

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is an enlarged view of B in fig. 1.

Fig. 4 is a schematic structural view of the threaded ring of the present invention after contacting the threaded wall inside the sleeve.

Reference numbers in the figures: the device comprises a driving motor 1, a rotating rod 2, a liquid storage tank 3, a liquid inlet pipe 4, a cooling tank 5, a pin rod 6, a connecting rod 7, a clamping block 8, an upper die 9, a stripper plate 10, a lower die 11, a return pipe 12, an impeller 13, a threaded ring 14, a sleeve 15, a sliding groove 16, a sliding block 17 and a spring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a plastic injection molding mold comprises a liquid storage tank 3, wherein the top end of the liquid storage tank 3 is connected with a cooling tank 5 which is open, a liquid inlet pipe 4 and a return pipe 12 are respectively communicated and arranged between two sides of the liquid storage tank 3 and two sides of the cooling tank 5, the top end of the liquid storage tank 3 is provided with a driving motor 1 through screws, an output shaft of the driving motor 1 is vertically arranged upwards, and is extended to the inside of the cooling tank 5 to be connected with a rotating rod 2, a lower mold 11 and an upper mold 9 are arranged inside the cooling tank 5, the inner wall of the lower mold 11 is slidably connected with a stripper plate 10, the bottom end of the stripper plate 10 is connected with a sleeve 15, the end part of the rotating rod 2 extended to the inside of the sleeve 15 is connected with a threaded ring 14, the circumferential side wall of the rotating rod 2 is fixedly sleeved with an impeller 13, the end part of the connecting rod 7 is connected with a slide block 17, the inner walls of two sides of the cooling box 5 are provided with symmetrically arranged slide grooves 16 along the height direction, the slide grooves 16 are connected with the slide block 17 in a sliding way, the inner wall of the bottom end of the slide groove 16 is connected with a vertically arranged spring 18, the top end of the spring 18 is connected with the bottom end of the slide block 17, two side walls of the cooling box 5 are connected with symmetrically arranged pin rods 6 in a sliding way in a penetrating way, the bottom end of the upper die 9 is provided with a clamping block 8, the top end of the lower die 11 is provided with a clamping groove which is matched with the clamping block 8, the top end of the upper die 9 is provided with an injection hole in a penetrating way, one ends of the liquid inlet pipe 4 and the return pipe 12 which are positioned in the liquid storage box 3 are both connected with micro liquid pumps, the liquid pump which is connected with the liquid inlet pipe 4 is used for pumping the liquid cooled in the liquid storage box 3 into, the internally mounted of liquid reserve tank 3 has the cooler for carry out cooling treatment to the liquid of liquid reserve tank 3 inside, when cooling down to the product in the injection mold, driving motor 1 can drive impeller 13 simultaneously and rotate, make the impeller will pump into the cooling tank 5 inside liquid can be even cool down the cooling treatment to injection mold.

The upper segment of sleeve 15 inner wall is slick and sly setting, and the hypomere of sleeve 15 inner wall is equipped with the screw thread with screw ring 14 adaptation, after accomplishing cooling treatment, need take out injection moulding product from injection mold, in order to carry out the drawing of patterns, at first take pin rod 6 out from the lateral wall of cooler bin 5, then spring 18 can promote slider 17 upwards to slide in spout 16, until

slider

17 and 16 top inner wall contacts of spout, screw ring 14 enters into the position that sleeve 15 inner wall was equipped with screw thread department this moment, driving motor 1 rotates and drives dwang 2 and screw ring 14 and rotate, thereby make screw thread on the screw ring 14 and the screw-thread fit on the sleeve 15 inner wall, make sleeve 15 upwards move, thereby promote stripper plate 10 and upwards move, make stripper plate 10 can promote the product in the injection mold, conveniently carry out drawing of patterns to it and handle.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Plastics injection moulding mould, including liquid reserve tank (3), its characterized in that, the top of liquid reserve tank (3) is connected with cooling tank (5) of uncovered setting, just the both sides of liquid reserve tank (3) with feed liquor pipe (4) and back flow (12) are provided with in the intercommunication respectively between the both sides of cooling tank (5), there is driving motor (1) on the top of liquid reserve tank (3) through the screw mounting, just the output shaft of driving motor (1) is vertical sets up, and extends to the internal connection of cooling tank (5) and have dwang (2), the inside of cooling tank (5) is provided with lower mould (11) and last mould (9), just the inner wall sliding connection of lower mould (11) has stripper plate (10), the bottom of stripper plate (10) is connected with sleeve (15), just the internal connection that the tip of dwang (2) extended to sleeve (15) has threaded ring (14), the impeller (13) is fixedly sleeved on the side wall of the circumference of the rotating rod (2), the impeller (13) is located below the lower die (11), two sides of the lower die (11) are connected with connecting rods (7) which are symmetrically arranged, the end portions of the connecting rods (7) are connected with sliding blocks (17), sliding grooves (16) which are symmetrically arranged are formed in the inner walls of two sides of the cooling box (5) along the height direction of the cooling box, the sliding grooves (16) are connected with the sliding blocks (17) in a sliding mode, the inner wall of the bottom end of the sliding groove (16) is connected with springs (18) which are vertically arranged, the top ends of the springs (18) are connected with the bottom end of the sliding blocks (17), and two side walls of the cooling box (5) are connected with symmetrically arranged pin rods (;

the bottom of going up mould (9) is provided with fixture block (8), the top of lower mould (11) is provided with the draw-in groove, and draw-in groove and fixture block (8) adaptation, and the top of going up mould (9) link up and be provided with the injection hole.

2. A plastic injection mould according to claim 1, characterized in that the upper section of the inner wall of the sleeve (15) is rounded and the lower section of the inner wall of the sleeve (15) is provided with a thread adapted to the threaded ring (14).

3. A plastic injection-moulding mould according to claim 1, characterized in that a micro-liquid pump is connected to both the inlet pipe (4) and the return pipe (12) at the end inside the reservoir (3).

4. A plastic injection-molding mould according to claim 1, characterized in that a cooler is mounted inside the reservoir (3).