CN213891124U

CN213891124U - Mold for retainer capable of preventing injection molding blockage

Info

Publication number: CN213891124U
Application number: CN202021675024.4U
Authority: CN
Inventors: 汪帮友; 汪家帅
Original assignee: Chuzhou Zhiding Electromechanical Technology Co ltd
Current assignee: Chuzhou Zhiding Electromechanical Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-08-06
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a mould of a retainer for preventing injection blocking, which comprises a mould body, an injection molding barrel, a heat conduction element and a sealing cover plate, wherein the mould body comprises a static mould frame and a movable mould frame which are mutually clamped to form an injection molding cavity, the top of the movable mould frame is provided with a ring groove and a first clamping groove and a second clamping groove which are respectively communicated with the ring groove, the injection molding barrel penetrates through the top of the static mould frame to the bottom thereof, is communicated with the injection molding cavity and is positioned in the ring groove, the heat conduction element is positioned in the ring groove, the outer wall of the injection molding barrel is spirally surrounded and surrounded by the outer wall of the injection molding barrel to heat the outer wall of the injection molding barrel, and the first end and the second end of the heat conduction element are respectively positioned in the first clamping groove, the sealing cover plate is detachably arranged on the static mould frame, the top of the ring groove, the clamping groove and the second clamping groove are sealed, compared with the traditional mould, the utility model discloses can enough prevent to mould plastics and block up, the convenient change maintenance to heating element moreover.

Description

Mold for retainer capable of preventing injection molding blockage

Technical Field

The utility model relates to a mould equipment technical field specifically is a prevent mould plastics mould of holder of jam.

Background

Along with the development of society and economy, industry is constantly developing and innovated, injection mold is a tool for producing plastic products, also is a tool for endowing the plastic products with complete structures and accurate sizes, injection molding is a processing method used when some parts with complex shapes are produced in batches, when using injection mold, sometimes a blocking phenomenon occurs, the blocking phenomenon can seriously affect the processing efficiency of products, waste time and energy, even cause danger to users, and the main reason of the blocking phenomenon is that the nozzle and the pouring gate of an injection molding machine are inaccurate in connection and the temperature of the pouring gate is too low, so the anti-blocking function of the injection mold is very important.

However, the structures of the injection molds in the market are different and the injection molds in the market use heating elements to heat the main flow channel, so that the blockage caused by too low raw material temperature is prevented, and if the heating elements are damaged, the maintenance is very troublesome, and great time and energy are wasted.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a prevent mould plastics the mould of jam holder, can enough prevent to mould plastics the jam, the convenient change maintenance to heating element moreover.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a mold for injection molding a cage for preventing clogging, comprising:

the die comprises a die body, a die body and a die body, wherein the die body comprises a static die frame and a movable die frame which are mutually clamped to form an injection molding cavity, and the top of the static die frame is provided with an annular groove and a first clamping groove and a second clamping groove which are respectively communicated with the annular groove;

the injection cylinder penetrates from the top to the bottom of the static mold frame, is communicated with the injection mold cavity and is positioned in the annular groove;

the heat conduction element is positioned in the annular groove, spirally surrounds the outer side wall of the injection molding barrel, heats the outer wall of the injection molding barrel, and a first end and a second end of the heat conduction element are positioned in the first clamping groove;

and the sealing cover plate is detachably arranged on the static mould frame and seals the top parts of the annular groove, the first clamping groove and the second clamping groove.

As a prevent to mould plastics an optimal selection scheme of mould of holder of jam, wherein, heat-conduction element is the resistance wire, its first end passes through the wire and is connected with external shift knob's anodal, its second end is connected with external shift knob's negative pole, and this shift knob is connected with external power electricity.

As a prevent to mould plastics an optimal selection scheme of mould of holder of jam, wherein, heat-conducting element is the spiral pipe, its inside heat-conducting medium that has flow, the first end of this spiral pipe and external constant temperature heat exchanger's feed liquor end intercommunication, the second end of this spiral pipe and external constant temperature heat exchanger's flowing back end intercommunication.

As a prevent to mould plastics an optimal selection scheme of mould of holder of jam, wherein, the top of quiet mould frame set up with the screw hole that the ring channel is linked together, the outer wall lower part of a section of thick bamboo of moulding plastics be provided with the external screw thread of screw hole looks adaptation, a section of thick bamboo knob setting of moulding plastics is in the screw hole.

As a preferred scheme of a mould of cage of preventing to mould plastics jam, wherein, sealed apron include with annular cover, a tip of annular groove looks adaptation with annular cover outer wall connection and respectively the card go into extremely first cardboard and second cardboard in first draw-in groove and the second draw-in groove.

Compared with the prior art, the utility model discloses the beneficial effect who has is: surround the section of thick bamboo of moulding plastics through the heat-conducting element spiral, at the in-process of moulding plastics, heat-conducting element can be for the outer wall heating of a section of thick bamboo of moulding plastics, when heat-conducting element damages, will seal the apron and demolish from quiet mould frame, take out heat-conducting element from the ring channel in the maintenance change can, for traditional mould, the utility model discloses can enough prevent to mould plastics and block up, the convenient change maintenance to heating element moreover.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic view of the overall structure of a mold for injection molding blocking prevention cage according to the present invention;

FIG. 2 is a schematic view of a part of the structure of the mold of the injection-blocking prevention cage of the present invention shown in FIG. 1;

fig. 3 is an exploded view of the mold of the injection-blocking prevention cage of the present invention shown in fig. 2.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a prevent mould plastics the mould of the holder of jam can enough prevent to mould plastics the jam, and the convenience is maintained heating element's change moreover.

Fig. 1 to 3 are schematic structural views illustrating an embodiment of a mold for a cage for preventing blocking during injection molding according to the present invention, and referring to fig. 1 to 3, the mold for a cage for preventing blocking during injection molding according to the present embodiment includes a mold body 100, an injection cylinder 200, a heat conduction element 300, and a sealing cover 400.

The mold body 100 includes a stationary mold frame 110 and a movable mold frame 120. The fixed mold frame 110 and the movable mold frame 120 are used for clamping to form an injection molding cavity for injection molding to form an injection molding product. The top of the static mold frame 110 is opened with an annular groove 110a and a first clamping groove 110b and a second clamping groove 110c respectively communicated with the annular groove 110a for mounting the heat conducting element 300.

The injection cylinder 200 penetrates from the top to the bottom of the stationary mold frame 110, communicates with the injection cavity, and is located in the annular groove 110 a. Specifically, a threaded hole communicated with the annular groove (110a) is formed in the top of the static mold frame (110), an external thread matched with the threaded hole is arranged on the lower portion of the outer wall of the injection molding cylinder (200), a knob of the injection molding cylinder (200) is arranged in the threaded hole and used for being matched with a nozzle of an injection molding machine to inject injection molding raw materials into an injection molding cavity through the injection molding cylinder (200), and an injection molding product is formed through cooling.

The heat conduction element 300 is located in the annular groove 110a, spirally surrounds the outer side wall of the injection cylinder 200, heats the outer wall of the injection cylinder 200, and the first end and the second end of the heat conduction element 300 are both located in the first clamping groove 110 b. In this embodiment, the heat conduction element 300 is a resistance wire, the first end 310 of the resistance wire is connected with the positive electrode of the external switch button through a wire, the second end of the resistance wire is connected with the negative electrode of the external switch button, and the switch button is electrically connected with the external power supply, when the injection molding barrel 200 is required to be heated, the switch button is pressed, the resistance wire is communicated with the circuit of the external power supply, the resistance wire is heated to heat the injection molding barrel 200, and the heat is conducted to the inner wall of the injection molding barrel 200 through the heat conduction of the injection molding barrel 200. In another embodiment, the heat conduction element 300 is a spiral pipe having a flowing heat conduction medium therein, a first end of the spiral pipe is communicated with a liquid inlet end of an external constant temperature heat exchanger, and a second end of the spiral pipe is communicated with a liquid outlet end of the external constant temperature heat exchanger. The heat transfer medium flowing in the spiral pipe heats the outer wall of the injection cylinder 200, and then the cooled heat transfer medium is replaced by the heat transfer medium with the previous temperature through the constant temperature heat exchanger to continuously circulate in the spiral pipe to heat the injection cylinder 200.

The sealing cover plate 400 is detachably mounted to the stationary mold frame 110 to close the top of the annular groove 110a, the first card groove 110b, and the second card groove 110c, thereby hiding the heat-conducting element 300 in the annular groove 110a, the first card groove 110b, and the second card groove 110c, and facilitating maintenance and replacement of the heat-conducting element 300. In this embodiment, the sealing cover plate 400 includes an annular cover 410 fitted into the annular groove 110a, and a first catch plate 420 and a second catch plate 430 having one end connected to an outer wall of the annular cover 410 and respectively caught in the first catch groove 110b and the second catch groove 110 c.

With reference to fig. 1-3, the mold of the injection molding blockage-preventing holder of the present embodiment surrounds and surrounds the injection molding barrel 200 through the spiral of the heat conduction element 300, in the injection molding process, the heat conduction element 300 can heat the outer wall of the injection molding barrel 200, the heat is conducted to the inner wall of the injection molding barrel 200 through the heat conduction of the injection molding barrel 200, and when the heat conduction element 300 is damaged, the sealing cover plate 400 is removed from the stationary mold frame 110, the heat conduction element 300 is taken out from the annular groove 110a for maintenance and replacement, and compared with the conventional mold, the utility model discloses can prevent the injection molding blockage, and facilitate the replacement and maintenance of the heating element.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A mold for a cage to prevent clogging by injection molding, comprising:

the mould comprises a mould body (100) and a mould clamping mechanism, wherein the mould body comprises a static mould frame (110) and a movable mould frame (120) which are mutually clamped to form an injection mould cavity, and the top of the static mould frame (110) is provided with an annular groove (110a) and a first clamping groove (110b) and a second clamping groove (110c) which are respectively communicated with the annular groove (110 a);

the injection cylinder (200) penetrates from the top to the bottom of the static mold frame (110), is communicated with the injection mold cavity and is positioned in the annular groove (110 a);

the heat conduction element (300) is positioned in the annular groove (110a), spirally surrounds the outer side wall of the injection cylinder (200), heats the outer wall of the injection cylinder (200), and a first end and a second end of the heat conduction element (300) are positioned in the first clamping groove (110 b);

and the sealing cover plate (400) is detachably arranged on the static mould frame (110) and closes the tops of the annular groove (110a), the first clamping groove (110b) and the second clamping groove (110 c).

2. The mold for injection molding of a cage for preventing blocking according to claim 1, wherein the heat conduction element (300) is a resistance wire, a first end of which is connected to the positive pole of an external switch button through a wire, a second end of which is connected to the negative pole of the external switch button, and the switch button is electrically connected to an external power source.

3. The mold for injection molding of a cage for preventing clogging according to claim 1, wherein said heat conducting member (300) is a spiral tube having a flowing heat conducting medium therein, a first end of the spiral tube communicating with a liquid inlet end of an external thermostatic heat exchanger, and a second end of the spiral tube communicating with a liquid discharge end of the external thermostatic heat exchanger.

4. The injection molding blockage prevention retainer mold as claimed in claim 1, wherein a threaded hole communicated with the annular groove (110a) is formed in the top of the static mold frame (110), an external thread matched with the threaded hole is arranged on the lower portion of the outer wall of the injection molding cylinder (200), and a knob of the injection molding cylinder (200) is arranged in the threaded hole.

5. An injection-molding blockage-preventing retainer mold according to claim 1, wherein the sealing cover plate (400) comprises an annular cover (410) matched with the annular groove (110a), and a first clamping plate (420) and a second clamping plate (430) which are connected with the outer wall of the annular cover (410) at one end and clamped into the first clamping groove (110b) and the second clamping groove (110c), respectively.