CN209289670U - Automotive fuse box plug-in mold - Google Patents

Abstract

The utility model discloses a kind of automobile fuse box plug-in unit molds; including preceding mould and rear mold; the preceding mould includes upper mounted plate, locating ring, thermal insulation board, hot runner manifold, A plate, preceding mould ejector retainner plate, preceding mould machinery shutter, guide post and material mouth, and the rear mold includes bottom plate, support block, B plate, rear mold thimble plate, rear mold machinery shutter and guide sleeve.By above-mentioned, the automobile fuse box plug-in unit mold of the utility model is suitable for plastic injection forming mold, is able to solve product flash, product is burnt, product starved, deformation of products, product fall off and have some setbacks, before product is viscous the problems such as mould, the stability for keeping injection molding, improves the production yield of product, has saved forming cost, improve production efficiency, it can effectively optimize product structure, promote product appearance effect, increase the competitiveness of product.

Description

Automotive fuse box plug-in mold

technical field

The utility model relates to the technical field of molds, in particular to an automobile fuse box plug-in mold.

Background technique

Injection molding is a process of producing parts made of thermoplastic or thermosetting plastic. It is to heat and melt the plastic (usually pellets) in the barrel of the injection molding machine. Pressing down, the molten plastic is compressed and moved forward, and then injected into the closed mold with low temperature through the nozzle at the front of the barrel at a very fast speed. After cooling and shaping for a certain period of time, the mold is opened to obtain the product.

Automobile fuse box products are processed by injection molding. In the injection molding production process, embedded injection molds are generally used to assist the completion. During processing, the stamped metal terminals are first put into the rear mold, and then the mold is closed and then injected with plastic. However, during production, 11pcs of screw terminals need to be placed, and different types of inserts need to be replaced; therefore, it is necessary to lower the mold, remove the mold, replace the insert, reassemble, and upper the mold, which is a waste of time and reduces production efficiency.

Utility model content

The technical problem mainly solved by the utility model is to provide an automobile fuse box plug-in mold, which is suitable for plastic injection molding molds, and can solve product burr, product burnt, product lack of glue, product deformation, product falling off smoothly, and product sticking to the front mold. And other issues, maintain the stability of injection molding, improve the production yield of products, save molding costs, improve production efficiency, can effectively optimize product structure, improve product appearance, and increase product competitiveness.

In order to solve the above-mentioned technical problems, a technical solution adopted by the utility model is to provide a plug-in mold for an automobile fuse box, including a front mold and a rear mold, and the front mold includes an upper fixing plate, a positioning ring, a heat shield, Hot runner plate, A plate, front mold ejector plate, front mold mechanical shutter, guide post and material nozzle, the rear mold includes lower fixing plate, die foot, B plate, rear mold ejector plate, rear mold mechanical opening Shutter and guide sleeve, the A plate is set on the lower end of the upper fixing plate through the hot runner plate, the heat insulation plate is set on the upper end of the upper fixing plate, and the positioning ring is set on the center of the upper end of the heat insulation plate position, the nozzle is set at the center of the positioning ring and extends down to plate A, the front mold thimble plate and the front mold mechanical shutter are all set in the hot runner plate, and the guide posts are respectively It is arranged on the four corners of the lower end of the A board, the said B board is arranged on the upper end of the lower fixed board through the foot mold, and the described rear mold thimble board is arranged in the foot mold and is located between the lower fixed board and the B board, and the said The mechanical shutters of the rear mold are arranged vertically on the edge of the B board and extend to the top of the B board, and the guide sleeves are respectively arranged on the four corners of the B board and correspond to the positions of the guide posts. The front mold and the back mold are connected together through matching guide posts and guide sleeves.

In a preferred embodiment of the utility model, the hot runner plate adopts a 3-point valve needle hot runner.

In a preferred embodiment of the present invention, the front mold ejector plate includes a front mold upper ejector plate and a front mold lower ejector plate, and the front mold upper ejector plate is arranged at the lower end of the front mold lower ejector plate.

In a preferred embodiment of the present invention, the ejector plate of the rear mold includes an upper ejector plate of the rear mold and a lower ejector plate of the rear mold, and the upper ejector plate of the rear mold is arranged on the upper end of the lower ejector plate of the rear mold.

In a preferred embodiment of the utility model, the front mold further includes a hot runner junction box, and the hot runner junction box is arranged on one side of the hot runner plate.

In a preferred embodiment of the utility model, the mechanical shutters of the front mold and the mechanical shutters of the rear mold are fitted and connected together respectively.

In a preferred embodiment of the present invention, the number of the mechanical shutters for the front mold and the mechanical shutters for the rear mold are both two.

In a preferred embodiment of the present invention, the A plate is provided with two shutter slots, and the position of the shutter slots is the same as that of the mechanical shutter of the front mold and the mechanical opening and closing of the rear mold. corresponding to the position of the device.

The beneficial effects of the utility model are: the automotive fuse box plug-in mold of the utility model is suitable for plastic injection molding molds, and the 3-point valve pins of the hot runner are evenly distributed on the product, so that the product can be glued evenly and avoid the frame opening Position the mold line and improve production efficiency, while improving product quality, adding an ejection mechanism, using an external mechanical shutter to realize the front mold ejection mechanism when opening the mold, which can effectively optimize the product structure and improve the appearance of the product , Increase product competitiveness.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work, wherein:

Fig. 1 is the structural representation of a preferred embodiment of the utility model automobile fuse box plug-in mold;

The marks in the accompanying drawings are: 1, front mold, 2, rear mold, 101, upper fixing plate, 102, positioning ring, 103, heat shield, 104, hot runner plate, 105, A plate, 106, front mold thimble Plate, 107, front mold mechanical shutter, 108, guide post, 109, feed nozzle, 110, upper ejector plate of front mold, 111, lower ejector plate of front mold, 112, hot runner junction box, 113, shutter groove Hole, 201, lower fixed plate, 202, mold foot, 203, B plate, 204, rear mold ejector plate, 205, rear mold mechanical switch, 206, guide sleeve, 207, rear mold upper ejector plate, 208, rear Mold the ejector plate.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1, the utility model embodiment comprises:

A plug-in mold for an automobile fuse box, comprising a front mold 1 and a rear mold 2, the front mold 1 comprising an upper fixing plate 101, a positioning ring 102, a heat insulation plate 103, a hot runner plate 104, an A plate 105, and a front mold thimble Plate 106, front mold mechanical shutter 107, guide post 108 and feed nozzle 109, described rear mold 2 includes lower fixed plate 201, die foot 202, B plate 203, rear mold ejector plate 204, rear mold mechanical opening and closing device 205 and guide sleeve 206, the A plate 105 is set on the lower end of the upper fixing plate 101 through the hot runner plate 104, the heat insulation plate 103 is set on the upper end of the upper fixing plate 101, and the positioning ring 102 is set At the center position of the upper end of the heat shield 103, the material nozzle 109 is arranged at the center position of the positioning ring 102 and extends downward to the A plate 105, and the front mold thimble plate 106 and the front mold mechanical shutter 107 are both Set in the hot runner plate 104, the guide posts 108 are respectively set on the four corners of the lower end of the A plate 105, the B plate 203 is set on the upper end of the lower fixing plate 201 through the foot mold 202, and the rear mold thimble The plate 204 is arranged in the foot mold 202 and is located between the lower fixing plate 201 and the B plate 203, and the mechanical shutters 205 of the rear mold are vertically arranged at the edge of the B plate 203 and extend to the top of the B plate 203 respectively. The guide sleeves 206 are respectively arranged on the four corners of the B board 203 and correspond to the positions of the guide posts 108. The front mold 1 and the rear mold 2 are connected to each other through the matched guide posts 108 and the guide sleeves 206. Together.

In this embodiment, the hot runner plate 104 adopts a 3-point valve needle hot runner, and the 3-point valve needle of the hot runner is evenly distributed on the product, so that the product can be evenly glued, avoiding the clamping line at the frame mouth and Improve production efficiency and improve product quality at the same time.

Further, the front mold ejector plate 106 includes a front mold upper ejector plate 110 and a front mold lower ejector plate 111, and the front mold upper ejector plate 110 is arranged at the lower end of the front mold lower ejector plate 111; The mold ejector plate 204 includes a rear mold upper ejector plate 207 and a rear mold lower ejector plate 208 , and the rear mold upper ejector plate 207 is arranged on the upper end of the rear mold lower ejector plate 208 . The ejector mechanism is formed by the front mold ejector plate 106 and the rear mold ejector plate 204 in cooperation with the front mold mechanical shutter 107 and the rear mold mechanical shutter 205, and the ejection of the front mold is realized through the external mechanical shutter when opening the mold. Mechanism to avoid the product from sticking to the front mold due to the large number of front mold bones.

Wherein, the front mold mechanical shutter 107 and the rear mold mechanical shutter 205 are connected together respectively; the number of the front mold mechanical shutter 107 and the rear mold mechanical shutter 205 is 2 .

In this embodiment, the front mold 1 further includes a hot runner junction box 112 , and the hot runner junction box 112 is arranged on one side of the hot runner plate 104 . The A plate 105 is provided with two shutter slots 113 , the positions of the shutter slots 113 correspond to the positions of the front mold mechanical shutter 107 and the rear mold mechanical shutter 205 .

Technical requirements for automotive fuse box plug-in molds:

(1) Hot runner valve needle system, 3 points evenly distributed on the product;

(2) The front mold is designed with an ejection mechanism. When the mold is opened, the ejector plate of the front mold is driven out by the mechanical shutter, so as to avoid the phenomenon of the product sticking to the front mold due to the large number of front mold bones;

(3) Embed the inserts for overmolding, and the inserts can be replaced to meet the assembly of different inserts and reduce repeated mold opening to achieve the purpose of the experiment

(4) Larger products have more holes, higher requirements for mold design, products are prone to deformation and holes have burrs; generally only one hole is opened; and this mold is designed with 2 holes, which greatly improves production efficiency ;

(5) The raw material of the product is PA6-G30 HSBK016, and it is molded with PA6-G30 HSBK016 plastic. Because the plastic has more glass fibers and the product is larger; injection filling is difficult, and the appearance of the product is prone to floating fibers and product ribs during injection molding production. The position is easy to burn and the product is easy to warp; the injection pressure is too high and the end is difficult to fill, so the design of the 3-point needle valve hot runner reduces the loss of injection pressure and the uniform filling of the rubber.

The action sequence of the automobile fuse box plug-in mold:

1. The mold is opened; 2. The manipulator puts the screw terminal into the rear mold; 3. The manipulator returns; 4. The mold is closed;

5. Injection molding, the polymer particles in the molten state are filled into the mold cavity through the operation of the screw; 6. After filling, the pressure is maintained; 7. After the pressure is maintained, the cooling is performed; 8. After cooling, the mold is opened; 9. When the mold is opened, The ejector plate of the front mold realizes the ejection action during the movement of the rear mold through the external mechanical switch, and ejects the product to the rear mold; 10. The mold is opened, and the ejector plate of the rear mold is connected to the injection molding machine The ejector rod is ejected, and the sample is ejected; 11. The manipulator intervenes, and the sample is taken out; 12. The manipulator retreats, and then turns over to put the screw terminal into the rear mold; 13. The manipulator returns, and the sample is placed on the conveyor belt; 14. The mold is closed , repeat the next cycle.

To sum up, the automotive fuse box plug-in mold of the utility model is suitable for plastic injection molding molds, and the 3-point valve needle of the hot runner is evenly distributed on the product, so that the product can be glued evenly and the mold can be closed at the position of the frame mouth. Line and improve production efficiency, improve product quality, increase the ejection mechanism, use the external mechanical switch to realize the ejection mechanism of the front mold when opening the mold, can effectively optimize the product structure, improve the appearance of the product, and increase the number of products competitiveness.

The above descriptions are only examples of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the utility model description, or directly or indirectly used in other related technologies Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (8)

1. a kind of automobile fuse box plug-in mold, it is characterized in that, comprises front mold and back mold, and described front mold comprises upper fixed plate, positioning ring, heat shield, hot runner plate, A plate, front mold thimble plate, The front mold mechanical shutter, guide post and material nozzle, the rear mold includes a lower fixed plate, die feet, B plate, rear mold ejector plate, rear mold mechanical shutter and guide sleeve, and the A plate passes through The hot runner plate is set at the lower end of the upper fixing plate, the heat shield is set at the upper end of the upper fixing plate, the positioning ring is set at the center of the upper end of the heat insulating plate, and the nozzle is set at the center of the positioning ring The central position extends down to plate A, the front mold thimble plate and the front mold mechanical shutter are all set in the hot runner plate, and the guide posts are respectively set on the four corners of the lower end of the A plate, so The said B plate is arranged on the upper end of the lower fixed plate through the foot mold, and the described rear mold thimble plate is arranged in the foot mold and is located between the lower fixed plate and the B plate, and the described rear mold mechanical shutters are vertically arranged on the B plate respectively. The edge of the board extends to the top of the B board. The guide sleeves are respectively arranged on the four corners of the B board and correspond to the positions of the guide posts. The front mold and the back mold pass through the matched guide posts. Connected with guide sleeve. 2. The automobile fuse box plug-in mold according to claim 1, wherein the hot runner plate adopts a 3-point valve needle hot runner. 3. The automobile fuse box plug-in mold according to claim 1, characterized in that, the front mold ejector plate includes a front mold upper ejector plate and a front mold lower ejector plate, and the front mold upper ejector plate is arranged on the front Mold the lower end of the ejector plate. 4. The automobile fuse box plug-in mold according to claim 1, wherein the ejector plate of the rear mold comprises an upper ejector plate of the rear mold and a lower ejector plate of the rear mold, and the upper ejector plate of the rear mold is arranged on the rear Mold the upper end of the ejector plate. 5. The automobile fuse box plug-in mold according to claim 1, wherein the front mold further comprises a hot runner junction box, and the hot runner junction box is arranged on one side of the hot runner plate. 6. The automobile fuse box plug-in mold according to claim 1, characterized in that, the mechanical shutters of the front mold and the mechanical shutters of the rear mold are respectively mated and connected together. 7. The automobile fuse box plug-in mold according to claim 6, characterized in that the number of said front mold mechanical shutters and rear mold mechanical shutters is two. 8. The automobile fuse box plug-in mold according to claim 6, characterized in that two shutter slots are arranged on the A plate, and the position of the shutter slots is the same as that of the mechanical opening of the front mold. The position of the shutter corresponds to that of the mechanical shutter of the back mold.