CN210791789U

CN210791789U - Steel rope rubber coating injection mold

Info

Publication number: CN210791789U
Application number: CN201920853694.1U
Authority: CN
Inventors: 苏小尧
Original assignee: Suzhou B&t Precision Industry Co ltd
Current assignee: Suzhou B&t Precision Industry Co ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-06-19
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a steel cable rubber coating injection mold, include upper fixed plate, bottom plate and connect a plurality of guide pillars of upper fixed plate and bottom plate, from last preceding die core bedplate, runner plate, front template, back template and back die core bedplate of having set gradually under to between upper fixed plate and the bottom plate, front mould benevolence and back mould benevolence have been inlayed between front template and the back template, be formed with the product die cavity when front mould benevolence and back mould benevolence cooperate, be provided with drive assembly between front template and the back template, the upper fixed plate intermediate position is equipped with the feed inlet, the below of feed inlet is provided with the jiao kou cover, the feed inlet with jiao kou cover intercommunication, jiao kou cover and hot runner assembly intercommunication, hot runner assembly runs through in front mould bedplate, runner plate and front template to link to each other with the front mould benevolence in the front template. The utility model discloses the drawing of patterns is convenient, can reduce and take the material and take the output of article, improves product quality, practices thrift plastics raw and other materials.

Description

Steel rope rubber coating injection mold

Technical Field

The utility model relates to an injection mold, concretely relates to steel cable rubber coating injection mold.

Background

With the development of economy and the scientific progress, automobiles become essential transportation tools for people to go out, home automobiles such as cars and off-road vehicles are very common, the home automobiles are configured differently according to themselves and have high grade and economical types, and the usage amount of the stay wire opening type door locks is gradually increased with the increase of the types of passenger automobiles; the pull wire is used for transmission between the automobile door lock and the outer handle and between the automobile door lock and the inner handle, and is made of steel ropes through encapsulation and injection molding.

The steel rope rubber coating product is prepared by rubber coating and injection molding of a steel rope and injection molding of a vertical injection molding machine according to product characteristics and a process flow. Traditional injection mold rejection rate is high, and raw and other materials polypropylene is extravagant more, and workman intensity of labour is big, can only mould plastics a product shaping moreover once, and efficiency is lower. Therefore, there is a need to develop a steel rope encapsulation injection mold capable of solving the above problems.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steel cable rubber coating injection mold, includes upper fixed plate, bottom plate and connects a plurality of guide pillars of upper fixed plate and bottom plate, from last preceding mould bedplate, runner plate, front formword, back template and back mould bedplate of having set gradually under to between upper fixed plate and the bottom plate, front mould benevolence and back mould benevolence have been inlayed between front formword and the back template, be formed with the product die cavity when front mould benevolence and back mould benevolence cooperate, be provided with drive assembly between front formword and the back template, the upper fixed plate intermediate position is equipped with the feed inlet, the below of feed inlet is provided with the jiao kou cover, the feed inlet with jiao kou cover intercommunication, jiao kou cover and hot runner subassembly intercommunication, hot runner subassembly runs through in front mould bedplate, runner plate and front formwork to link to each other with the front mould benevolence that inlays in front formwork.

Preferably, be provided with first recess on the front mould bedplate, be provided with the apron on the first recess, the apron can cover first recess, is provided with the second through-hole that is used for loading hot runner assembly on the bottom surface of first recess, the second through-hole is provided with two, hot runner terminal box is installed to one side of runner plate, hot runner assembly passes through the electric wire and is connected with hot runner terminal box, hot runner terminal box passes through electric wire and temperature control box electric connection, hot runner assembly includes flow distribution plate, main injection nozzle, a plurality of hot nozzles and annular heating pipe, is provided with the runner that is used for carrying out the drainage to the melting raw materials in the flow distribution plate, and the runner includes inflow end and outflow end, and inflow end and outflow end are located two upper and lower faces of flow distribution plate respectively, the upper and lower surface of flow distribution plate is provided with annular heating tank respectively, the heating tank is embedded to have annular heating pipe, the flow distribution plate is also provided with a temperature sensor, and the temperature sensor is connected with the temperature control box through a hot runner junction box.

Preferably, a hot runner junction box is installed on one side of the runner plate, a wire casing for accommodating an electric wire is further arranged on one surface of the runner plate facing the front mold seat plate, a second groove for accommodating the splitter plate is arranged in the middle of the runner plate, a third through hole through which a plurality of hot nozzles can pass is formed in the bottom surface of the second groove, two third through holes are formed, the hot nozzles are fixed to the bottom of the splitter plate, and the hot nozzles are communicated with the outflow end of the splitter plate.

Preferably, be provided with the fourth through-hole that can supply a plurality of heat to chew and pass on the front mould board, the fourth through-hole is provided with two, the front mould board bottom is provided with first holding tank, one side of first holding tank is provided with the second holding tank, be provided with two shovel machines in the second holding tank, it has front mould benevolence to inlay in the first holding tank of front mould board, front mould benevolence upper surface is provided with two third recesses, two the bottom of third recess all is provided with a plurality of fifth through-holes, front mould benevolence lower surface is provided with first die cavity, one side of first die cavity is provided with the fourth holding tank, the fourth holding tank with first die cavity is linked together, first die cavity with fifth through-hole intercommunication, a plurality of heat are chewed and are passed third through-hole, fourth through-hole and fifth through-hole and first die cavity intercommunication in proper order.

Preferably, first die cavity below is provided with the second die cavity, first die cavity with the synthetic product die cavity is enclosed to the second die cavity, the shape of product die cavity and the outside profile phase-match of steel cable rubber coating, the sixth through-hole that can supply a plurality of thimbles to pass is seted up to second die cavity bottom, the second die cavity sets up the upper surface at back mould benevolence, still be provided with the fifth holding tank on the upper surface of back mould benevolence, the fifth holding tank with the second die cavity is linked together.

Preferably, the rear mold insert is embedded in a third accommodating groove of the rear mold plate, the third accommodating groove is arranged on the upper surface of the rear mold plate, a limiting plate is arranged on one side of the rear mold plate, a plurality of limiting grooves are uniformly arranged on the limiting plate, an arc-shaped guide groove is further arranged on the upper surface of the rear mold plate, one side of the arc-shaped guide groove is communicated with the limiting groove, the other side of the arc-shaped guide groove is communicated with the third accommodating groove, a seventh through hole is arranged in the third accommodating groove, an L-shaped guide plate for limiting the moving direction of the driving assembly is further arranged in the third accommodating groove, the L-shaped guide plates are arranged on two side walls of the third accommodating groove, inverted L-shaped guide grooves are respectively arranged on the two L-shaped guide plates, the driving assembly comprises a slider seat, protruding blocks are arranged on two sides of the slider seat, and the protruding blocks are inserted, make the slider seat removes along the guide way, the slider seat sets up on the slide rail, the slider seat can slide along the slide rail, the slide rail is fixed on the notch of third accommodation tank bottom, third accommodation tank bottom still is provided with two second spacing grooves, one side of slider seat is provided with the recess, the opposite side of slider seat is connected with the output of cylinder, the opposite side of slider seat still contacts with the shovel machine, the cylinder passes through the cylinder fixing base to be fixed on one side of back template, be provided with the slider in the recess, a side of slider is equipped with a plurality of sliders and inlays the needle, many the needle is inlayed to the slider interval arrangement on same horizontal plane.

Preferably, back die holder board includes the backup pad, extends left side board and right side board in this backup pad upper surface both sides, be provided with the bottom plate between left side board and the right side board, be equipped with the opening on the bottom plate, the bottom plate top is provided with the thimble board, thimble board below is provided with actuating mechanism, actuating mechanism includes the push rod, the push rod passes the opening promotes the thimble board to back die holder motion, actuating mechanism can also include the drive the motor power supply that the push rod removed, have on the thimble board towards the protruding extension of back die holder and keeping away from the one end of thimble board can pass seventh through-hole and sixth through-hole get into the thimble of product die cavity, towards the protruding spacing post that extends of back die holder direction, spacing post is provided with four, four spacing post all overlaps outward has return spring, return spring both ends respectively with back die holder board, The ejector pin plate is connected or abutted.

The utility model can produce a plurality of steel cable rubber coating molding injection molding parts through one-time injection molding by arranging a plurality of product cavities, thereby reducing the occupied quantity of the injection molding machine, reducing the mold processing cost, shortening the mold manufacturing period, reducing the overall cost of products, and improving the mold utilization rate and the injection molding machine utilization rate; the utility model adopts the hot runner component to carry out injection molding on the adhesive product, so that the plastic is always ensured to be in a melting state before being injected into the product, the product molding period can be shortened, the material and material waste output is reduced, the product quality is improved, the plastic raw material is saved, and the batch production of the adhesive molding injection molding piece is facilitated; the utility model discloses be provided with the thimble, after the work piece injection moulding, the thimble passes first through-hole gets into gradually the product die cavity is ejecting with injection moulding's steel cable package piece the drawing of patterns is realized to the product die cavity, saves production time, improves production efficiency.

Drawings

Fig. 1 is an exploded view of a steel rope rubber coating injection mold of the present invention;

FIG. 2 is a side view of the steel rope rubber coating injection mold of the present invention;

fig. 3 is a schematic view of a front mold base plate of the steel rope rubber-coating injection mold of the present invention;

fig. 4 is a perspective view of a hot runner assembly of a steel rope rubber-coating injection mold of the present invention;

FIG. 5 is a perspective view of a runner plate of an injection mold for steel rope encapsulation according to the present invention;

fig. 6 is a perspective view of a front mold plate of a steel rope rubber coating injection mold of the utility model;

fig. 7 is a bottom view of the front mold plate of the steel rope rubber-coating injection mold of the present invention;

fig. 8 is a top view of a front mold core of a steel rope rubber-coating injection mold of the present invention;

fig. 9 is a perspective view of a front mold core of a steel rope rubber coating injection mold of the present invention;

fig. 10 is a top view of the rear core of the steel rope rubber-coating injection mold of the present invention;

fig. 11 is a perspective view of a rear mold plate of a steel rope rubber coating injection mold of the present invention;

fig. 12 is a perspective view of a driving assembly of a steel rope rubber coating injection mold of the present invention; fig. 13 is a perspective view of a rear mold base plate of the steel rope rubber-coating injection mold of the present invention.

In the drawings:

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-2, the utility model provides a technical solution: a steel rope rubber coating injection mold comprises an upper fixing plate 1, a lower fixing plate 2 and a plurality of guide posts 3 connected with the upper fixing plate 1 and the lower fixing plate 2, wherein a front mold base plate 4, a runner plate 5, a front mold plate 6, a rear mold plate 7 and a rear mold base plate 8 are sequentially arranged between the upper fixing plate 1 and the lower fixing plate 2 from top to bottom, a front mold core 9 and a rear mold core 10 are embedded between the front mold plate 6 and the rear mold plate 7, a product cavity 11 is formed when the front mold core 9 is matched with the rear mold core 10, a driving assembly 12 is arranged between the front mold plate 6 and the rear mold plate 7, a feed inlet 101 is arranged in the middle of the upper fixing plate 1, a rubber port sleeve 14 is arranged below the feed inlet 101, the feed inlet 101 is communicated with the rubber port sleeve 14, the rubber port sleeve 14 is communicated with a hot runner assembly 13, the hot runner assembly 13 penetrates through the front mold base plate 4, the runner plate 5 and, and is connected with a front mold core 9 embedded in the front template 6 for the entry of injection molding material.

Four guide posts 3 are arranged, the upper ends of the four guide posts 3 are uniformly fixed on the upper fixing plate 1, and the lower ends of the four guide posts are fixed on the lower fixing plate 2.

Referring to fig. 3 and 4, in this embodiment, a first groove 403 is formed in the front die holder plate 4, a cover plate 402 is disposed on the first groove 403, the cover plate 402 can cover the first groove 403, a second through hole 404 for loading a hot runner assembly 13 is disposed on a bottom surface of the first groove 403, two second through holes 404 are disposed, a hot runner junction box 502 is mounted on one side of the runner plate 5, the hot runner assembly 13 is connected to the hot runner junction box 502 through an electric wire, the hot runner junction box 502 is electrically connected to a temperature control box through an electric wire, the hot runner assembly 13 includes a splitter plate 1301, a main nozzle 1302, a plurality of hot nozzles and an annular heating pipe 1304, a flow channel for guiding a molten material is disposed in the splitter plate 1301, the flow channel includes an inflow end and an outflow end, the inflow end and the outflow end are respectively located on an upper plate surface and a lower plate surface of the splitter plate 1301, the upper surface and the lower surface of the flow dividing plate 1301 are respectively provided with an annular heater groove, an annular heating pipe 1304 is embedded in the heater groove, the section processing of the annular heater groove is determined according to the cross section of the annular heating pipe 1304, the annular heating pipe 1304 is matched with the annular heating pipe groove, specifically, after the annular heating pipe 1304 is embedded in the annular heating pipe groove, the three surfaces of the annular heating pipe 1304 are respectively attached to the three surfaces of the annular heating pipe groove, so that the heat exchange area between the annular heating pipe 1304 and the flow dividing plate 1301 is greatly increased, and the heating efficiency of the annular heating pipe 1304 on the flow dividing plate 1301 is greatly increased. The flow distribution plate 1301 is further provided with a temperature sensor, the temperature sensor is connected with a temperature control box through the hot runner junction box 502, on one hand, the temperature of the flow distribution plate 1301 can be monitored in real time, and on the other hand, the heating and heat preservation of the flow distribution plate 1301 can be adjusted in real time through the electrification and the power loss of the annular heating pipe 1304 through the temperature control box according to the temperature condition monitored by the temperature sensor.

The front die holder plate 4 is further provided with a first through hole 401 through which a main injection nozzle 1302 can penetrate, the main injection nozzle 1302 penetrates through the second through hole 404 to be communicated with the inflow end of the splitter plate 1301, the splitter plate 1301 is in a convex shape, the splitter plate 1301 is fixed in the runner plate 5, a plurality of heat nozzles 1303 are installed on the lower end face of the splitter plate 1301, and the plurality of heat nozzles 1303 are communicated with the outflow end of the splitter plate 1301.

Referring to fig. 5, in this embodiment, a hot runner junction box 502 is installed on one side of the runner plate 5, a wire groove 503 for accommodating an electric wire is further provided on one side of the runner plate 5 facing the front mold base plate 4, a second groove 501 for accommodating the splitter plate 1301 is provided in the middle of the runner plate 5, a third through hole 504 through which a plurality of hot nozzles 1303 can pass is provided on the bottom surface of the second groove 501, two third through holes 504 are provided, the plurality of hot nozzles 1303 are fixed at the bottom of the splitter plate 1301, and the plurality of hot nozzles 1303 are communicated with the outflow end of the splitter plate 1301.

Referring to fig. 6, 7, 8, and 9, in this embodiment, the front mold plate 6 is provided with two fourth through holes 601 through which the plurality of hot nozzles 1303 can pass, the bottom of the front mold plate 6 is provided with two first receiving grooves 602, one side of the first receiving grooves 602 is provided with a second receiving groove 603, the second receiving groove 603 is provided with two shoveling machines 604, a front mold core 9 is embedded in the first receiving groove 602 of the front mold plate 6, the upper surface of the front mold core 9 is provided with two third grooves 901, the bottoms of the two third grooves 901 are both provided with a plurality of fifth through holes 902, the lower surface of the front mold core 9 is provided with a first mold cavity 903, one side of the first mold cavity 903 is provided with a fourth receiving groove 904, the fourth receiving groove 904 is communicated with the first mold cavity 903, the first mold cavity 903 is communicated with the fifth through holes 902, the plurality of heat nozzles 1303 pass through the third through hole 504, the fourth through hole 601 and the fifth through hole 902 in sequence and are communicated with the first cavity 903.

Referring to fig. 10, a second cavity 1001 is disposed below the first cavity 903 in this embodiment, the first cavity 903 and the second cavity 1001 enclose a product cavity 11, the shape of the product cavity 11 matches with the external contour of steel rope encapsulation, a sixth through hole 1003 through which a plurality of thimbles 806 can pass is disposed at the bottom of the second cavity 1001, the second cavity 1001 is disposed on the upper surface of the rear mold core 10, a fifth receiving groove 1002 is further disposed on the upper surface of the rear mold core 10, and the fifth receiving groove 1002 is communicated with the second cavity 1001.

Referring to fig. 11 and 12, in the embodiment, the rear mold insert 10 is embedded in a third receiving groove 701 of the rear mold plate 7, the third receiving groove 701 is disposed on the upper surface of the rear mold plate 7, a limiting plate 703 is disposed on one side of the rear mold plate 7, a plurality of limiting grooves 704 are disposed on the limiting plate 703, an arc-shaped guiding groove 702 is further disposed on the upper surface of the rear mold plate 7, one side of the arc-shaped guiding groove 702 is communicated with the limiting groove 704, the other side of the arc-shaped guiding groove 702 is communicated with the third receiving groove 701, a seventh through hole 710 is disposed in the third receiving groove 701, an L-shaped guiding plate 705 for limiting the moving direction of the driving assembly 12 is further disposed in the third receiving groove 701, the L-shaped guiding plates 705 are disposed on two side walls of the third receiving groove 701, two L-shaped guiding grooves 706 having an inverted "L" shape are disposed on the L-shaped guiding plates 705, the driving assembly 12 comprises a slider seat 1201, wherein two sides of the slider seat 1201 are provided with a bump 1207, the bump 1207 is inserted into the guide groove 706, so that the slider seat 1201 can slide along a sliding rail 707 in east, the sliding rail 707 is fixed on a groove 708 at the bottom of the third accommodating groove 701, the bottom of the third accommodating groove 701 is further provided with two second limiting grooves 709, one side of the slider seat 1201 is provided with a groove 1202, the other side of the slider seat 1201 is connected with an output end of an air cylinder 1204, the other side of the slider seat 1201 is further in contact with a shovel machine 604, the air cylinder 1204 is fixed on one side of the rear template 7 through an air cylinder fixing seat 1205, a slider 1203 is arranged in the groove 1202, one side of the slider 1203 is provided with a plurality of slider inlaying needles 1206, and the slider inlaying needles 1206 are arranged at intervals on the same horizontal.

Referring to fig. 13, in the embodiment, the rear die holder 8 includes a supporting plate 801, a left side plate 802 and a right side plate 803 extending to both sides of an upper surface of the supporting plate 801, a bottom plate 804 is disposed between the left side plate 802 and the right side plate 803, an opening is disposed on the bottom plate 804, an ejector plate 805 is disposed above the bottom plate 804, a driving mechanism is disposed below the ejector plate 805, the driving mechanism includes a push rod, the push rod pushes the ejector plate 805 to move the rear die plate 7 through the opening, the driving mechanism may further include a motor power source for driving the push rod to move, the ejector plate 805 has an ejector 806 protruding toward the rear die plate 7 and having one end far from the ejector plate 805 capable of entering a product cavity through the seventh through hole 710 and the sixth through hole 1003, and a stopper rod 807 protruding toward the rear die plate 7, the thimble 806 passes through the first through hole and gradually enters a product cavity, and ejects the steel rope rubber-coated piece formed by injection molding out of the product cavity to realize demoulding; meanwhile, the limiting columns 807 are used for limiting the moving distance of the ejector plate 805 towards the rear template 7, so that the phenomenon that the moving distance of the ejector plate 805 is large, the ejection time and the reset time are increased, and the increase of time cost is caused on the premise that the steel rope rubber-covered piece is separated from the rear mold core 10 after being ejected out of a product cavity is avoided; the number of the limiting columns 807 is four, return springs 808 are sleeved outside the four limiting columns 807, and two ends of each return spring 808 are connected with or abutted against the rear template 7 and the ejector plate 805 respectively. When the ejector plate 805 is located at the initial position, the return spring 808 is in a free state, and when the ejector plate 805 is located at the ejection position, the return spring 808 is in a deformed state, and after the driving force of the driving mechanism on the ejector plate 805 is cancelled, the ejector plate 805 is driven by the return spring 808 to return to the initial position.

The utility model discloses when the mould compound die, shovel machine 604 is along with 6 downstream of preceding template to lead to the eastern take-up housing 1201 of passageway and move left, thereby it inserts the needle 1206 and removes to drive slider 1203 and slider on the take-up housing 1201, makes the slider insert the needle 1206 and inserts the product die cavity that front mould benevolence and back mould benevolence 10 formed, and molten plastic passes through hot runner assembly 13 and gets into the product die cavity, and the temperature control box starts, prevents that the molten plastic in the hot runner assembly 13 from solidifying. After the completion of the filling of molten plastic, the temperature control box is closed, after a period of time cooling, the front mould is opened, shovel machine 604 is along with preceding template 6 upward movement, cylinder 1204 works and drives slider seat 1201 and move right, thereby it moves to drive slider 1203 and slider insert pin 1206 on the slider seat 1201, make slider insert pin 1206 leave the product die cavity that front mould benevolence 9 and back mould benevolence 10 formed, then it is ejecting with the product through thimble 806, thereby realize injection moulding product and mould and carry out the drawing of patterns, other modes have promoted the product and have carried out automatic drawing of patterns, the efficiency of promotion drawing of patterns, and it is higher to automatic intelligent degree.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel cable rubber coating injection mold, includes upper fixed plate (1), bottom plate (2) and connects a plurality of guide pillars (3) of upper fixed plate (1) and bottom plate (2), its characterized in that: from last preceding die bed board (4), runner plate (5), front mould board (6), back template (7) and back die bed board (8) have set gradually down between upper plate (1) and bottom plate (2), it has front mould benevolence (9) and back mould benevolence (10) to inlay between front mould board (6) and back template (7), be formed with product die cavity (11) when front mould benevolence (9) and back mould benevolence (10) cooperate, be provided with drive assembly (12) between front mould board (6) and back template (7), upper plate (1) intermediate position is equipped with feed inlet (101), the below of feed inlet (101) is provided with jiao kou cover (14), feed inlet (101) with jiao kou cover (14) intercommunication, jiao kou cover (14) and hot runner assembly (13) intercommunication, hot runner assembly (13) run through in front mould bedplate (4), The runner plate (5) and the front template (6) are connected with a front mould core (9) embedded in the front template (6).

2. A steel cord encapsulation injection mold as claimed in claim 1, characterized in that: the hot runner structure is characterized in that a first groove (403) is formed in the front mold base plate (4), a cover plate (402) is arranged on the first groove (403), a second through hole (404) used for loading a hot runner assembly (13) is formed in the bottom surface of the first groove (403), a hot runner junction box (502) is installed on one side of the runner plate (5), the hot runner assembly (13) is connected with the hot runner junction box (502) through an electric wire, the hot runner junction box (502) is electrically connected with a temperature control box through an electric wire, the hot runner assembly (13) comprises a splitter plate (1301), a main injection nozzle (1302), a plurality of hot nozzles (1303) and an annular heating pipe (1304), a runner used for guiding molten raw materials is arranged in the splitter plate (1301), the runner comprises a flow inlet end and a flow outlet end, the flow inlet end and the flow outlet end are respectively located on an upper plate surface and a lower plate surface of the splitter plate (1301), and an upper, The lower surface is provided with cyclic annular heater tank respectively, heater tank is embedded to have annular heating pipe (1304), still be provided with temperature sensor on flow distribution plate (1301), a plurality of heats are chewed (1303) and are fixed in the bottom of flow distribution plate (1301) to the end intercommunication that flows out of (1303) and flow distribution plate (1301) is chewed to a plurality of heats.

3. A steel cord encapsulation injection mold as claimed in claim 1, characterized in that: hot runner terminal box (502) are installed to one side of runner plate (5), and hot runner assembly (13) are connected with hot runner terminal box (502) through the electric wire, and temperature sensor passes through hot runner terminal box (502) and is connected with the temperature control box, and face upwards at runner plate (5) still be provided with wire casing (503) that are used for settling the electric wire on the one side of front mould bedplate (4), runner plate (5) intermediate position is equipped with second recess (501) that hold flow distribution plate (1301), be provided with third through-hole (504) that can supply a plurality of heat to chew (1303) and pass on the bottom surface of second recess (501), third through-hole (504) are provided with two.

4. A steel cord encapsulation injection mold as claimed in claim 1, characterized in that: the front template (6) is provided with four through holes (601) for a plurality of hot nozzles (1303) to pass through, the number of the fourth through holes (601) is two, the bottom of the front template (6) is provided with a first accommodating groove (602), one side of the first accommodating groove (602) is provided with a second accommodating groove (603), the second accommodating groove (603) is internally provided with two shoveling machines (604), a front mold core (9) is embedded in the first accommodating groove (602) of the front template (6), the upper surface of the front mold core (9) is provided with two third grooves (901), the bottoms of the two third grooves (901) are respectively provided with a plurality of fifth through holes (902), the lower surface of the front mold core (9) is provided with a first cavity (903), one side of the first cavity (903) is provided with a fourth accommodating groove (904), and the fourth accommodating groove (904) is communicated with the first cavity (903), the first cavity (903) is communicated with the fifth through hole (902), and the plurality of heat nozzles (1303) sequentially penetrate through the third through hole (504), the fourth through hole (601) and the fifth through hole (902) to be communicated with the first cavity (903).

5. A steel cord encapsulation injection mold as claimed in claim 4, characterized in that: a second cavity (1001) is arranged below the first cavity (903), the first cavity (903) and the second cavity (1001) enclose a product cavity (11), the shape of the product cavity (11) is matched with the external contour of steel rope rubber coating, a sixth through hole (1003) through which a plurality of ejector pins (806) can penetrate is formed in the bottom of the second cavity (1001), the second cavity (1001) is arranged on the upper surface of the rear mold core (10), a fifth accommodating groove (1002) is further arranged on the upper surface of the rear mold core (10), and the fifth accommodating groove (1002) is communicated with the second cavity (1001).

6. A steel cord encapsulation injection mold as claimed in claim 1, characterized in that: the rear mold insert (10) is inlaid in a third accommodating groove (701) of the rear mold plate (7), the third accommodating groove (701) is formed in the upper surface of the rear mold plate (7), a limiting plate (703) is arranged on one side of the rear mold plate (7), a plurality of limiting grooves (704) are uniformly formed in the limiting plate (703), an arc-shaped guide groove (702) is further formed in the upper surface of the rear mold plate (7), one side of the arc-shaped guide groove (702) is communicated with the limiting groove (704), the other side of the arc-shaped guide groove (702) is communicated with the third accommodating groove (701), a seventh through hole (710) is formed in the third accommodating groove (701), an L-shaped guide plate (705) for limiting the moving direction of the driving assembly (12) is further arranged in the third accommodating groove (701), and the L-shaped guide plate (705) is arranged on two side walls of the third accommodating groove (701), two L-shaped guide plates (705) are respectively provided with an inverted L-shaped guide groove (706), the driving assembly (12) comprises a slider seat (1201), two sides of the slider seat (1201) are provided with a lug (1207), the lugs (1207) are inserted into the guide grooves (706), so that the slider seat (1201) moves along the guide grooves (706), the slider seat (1201) is arranged on a sliding rail (707), the slider seat (1201) can slide along the sliding rail (707), the sliding rail (707) is fixed on a notch (708) at the bottom of the third accommodating groove (701), the bottom of the third accommodating groove (701) is also provided with two second limiting grooves (709), one side of the slider seat (1201) is provided with a groove (1202), the other side of the slider seat (1201) is connected with the output end of an air cylinder (1204), and the other side of the slider seat (1201) is also contacted with a shovel machine (604), the air cylinder (1204) is fixed on one side of the rear template (7) through an air cylinder fixing seat (1205), a sliding block (1203) is arranged in the groove (1202), a plurality of sliding block insert pins (1206) are arranged on one side face of the sliding block (1203), and the sliding block insert pins (1206) are arranged on the same horizontal plane at intervals.

7. A steel cord encapsulation injection mold as claimed in claim 1, characterized in that: the rear die holder plate (8) comprises a support plate (801), a left side plate (802) and a right side plate (803) which extend to two sides of the upper surface of the support plate, a bottom plate (804) is arranged between the left side plate (802) and the right side plate (803), an opening is arranged on the bottom plate (804), an ejector plate (805) is arranged above the bottom plate (804), a driving mechanism is arranged below the ejector plate (805), the driving mechanism comprises a push rod, the push rod penetrates through the opening to push the ejector plate (805) to move towards the rear die plate (7), the driving mechanism can further comprise a motor power source for driving the push rod to move, the ejector plate (805) is provided with an ejector pin (806) which protrudes towards the rear die plate (7) and is far away from the ejector plate (805), one end of the ejector pin can penetrate through a seventh through hole (710) and a sixth through hole (1003) to enter a product cavity, and a limiting column (807) which protrudes towards, the limiting columns (807) are four, return springs (808) are sleeved outside the four limiting columns (807), and two ends of each return spring (808) are connected with or abutted against the rear template (7) and the ejector plate (805) respectively.