CN210308819U

CN210308819U - Production mould of anti-deformation automobile electrical apparatus box

Info

Publication number: CN210308819U
Application number: CN201920733945.2U
Authority: CN
Inventors: 曹长保
Original assignee: Suzhou Orbiter Precision Plastic Co ltd
Current assignee: Suzhou Orbiter Precision Plastic Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-14
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a production mould of anti-deformation car electrical apparatus box uses at mould technical field, when having solved and having adopted traditional mould to produce, takes out the back in the mould at the product, and the side of casing easily produces the technical problem who warp, and its technical scheme main points are: comprises a front template, a front mold core arranged on the front template, a rear template and a rear mold core arranged on the template; a front mold accommodating groove for accommodating a front mold core is formed in the front mold plate, and a cooling assembly is arranged in the front mold core; the rear template is provided with a rear mold accommodating groove for accommodating a rear mold core, and the rear template is provided with a rear mold insert for molding the side wall of the automobile electrical box; the front mold core is provided with a mold core glue inlet flow passage; the cooling assembly cools the front mold core, so that the product is prevented from being bonded with the front mold core, and the product is prevented from deforming when being taken out; the detachable rear mold insert can be conveniently replaced and maintained, the quality of a product is guaranteed, and then the product is prevented from deforming.

Description

Production mould of anti-deformation automobile electrical apparatus box

Technical Field

The utility model relates to the technical field of mold, in particular to anti-deformation automobile electrical apparatus box's production mould.

Background

The design of the injection mold needs to be carried out according to the specific structure of the product, and the production is difficult for some shell products with deeper depths and more reinforcing ribs.

Particularly, as shown in fig. 1 and 2, the automobile electrical box comprises a shell 21 and a reinforcing rib 22 fixedly arranged on the side wall of the shell 21, and because the depth of the shell 21 is relatively deep, when a traditional mold is used for production due to expansion caused by heat and contraction caused by cold, the side surface of the shell 21 is easy to deform after a product is taken out of the mold, so that the requirement of actual production and processing cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a production mould of a reverse deformation automobile electrical box, which has the advantages that a cooling component is used for cooling a front mould core, so that the product is prevented from being bonded with the front mould core, and the product is prevented from deforming when being taken out; can dismantle the back mould mold insert that sets up on the back template can be convenient change and maintain to better assurance the fashioned quality of product, and then avoid the product to take place to warp.

The above technical purpose of the present invention can be achieved by the following technical solutions: a production mold of a reverse deformation automobile electrical box comprises a front template, a front mold core arranged on the front template, a rear template and a rear mold core arranged on the template; the front template is provided with a front mold accommodating groove for accommodating a front mold core, and the front mold core is internally provided with a cooling assembly; the rear template is provided with a rear mold accommodating groove for accommodating a rear mold core, the rear template is provided with a plurality of rear mold inserts for molding the side wall of the automobile electrical box; and a mold core glue inlet flow passage is arranged on the front mold core.

According to the technical scheme, the front mold accommodating groove in the front template is used for installing the front mold core, the rear mold accommodating groove in the rear template is used for installing the rear mold core, and the rear mold insert is embedded in the rear template; the die is easy to wear in the production process, and the rear die insert can be conveniently replaced, so that the quality of a product is better ensured, and the cost for replacing the whole die core is also saved; the rear mold insert can be independently processed, so that a material with higher hardness and better heat resistance can be processed with higher precision to obtain the product, the surface quality and precision of the processed product are higher, the friction between the product and the surface of the mold is smaller when the molded product is taken out of the mold, and the product is not easy to deform or generate the condition of tensile fracture when the product is taken out; the cooling assembly in the front die core is used for cooling the front die core, the temperature of the die is avoided being too high, cooling which can be fast after the product is formed is achieved, the product is not easy to adhere to the die after being formed, and the situation that the product is deformed or even pulled to crack when being demoulded is avoided.

The utility model discloses further set up to: the cooling assembly comprises a cooling water path arranged along the depth direction of the automobile electrical box and a communication water path which is perpendicular to the cooling water path and communicated with the cooling water path, a front mold mounting plate used for a front mold plate of the mounting seat is arranged on the front mold plate, a circulating water path communicated with the communication water path and the cooling water path is arranged on the front mold mounting plate, and a water inlet and a water outlet are communicated on the circulating water path.

Through above-mentioned technical scheme, the cooling water route communicates with intercommunication water route and circulation water route each other, and the water inlet is arranged in supplying the cooling water to get into the cooling water route and communicate the water route, and the delivery port is arranged in supplying water and flows out to quick taking away the heat in the front mould benevolence, in order to avoid the high temperature of mould benevolence, thereby avoided the shaping face in product and the mould to take place to bond, make the drawing of patterns that fashioned product can be better.

The utility model discloses further set up to: the front template is detachably provided with a front mold insert, and the front mold insert is provided with an insert glue inlet flow passage.

By the technical scheme, the front mold insert can be conveniently replaced due to abrasion in the using process without integrally replacing the mold, so that the cost is better saved, and the production efficiency is also improved; the mold insert glue inlet flow channel is used for hot-melt plastic to enter a mold cavity formed between the front mold core and the rear mold core, so that a plurality of glue inlet flow channels can simultaneously feed glue, products can be fully injected, the quality of the products is improved, and the products are prevented from deforming.

The utility model discloses further set up to: and polishing layers are arranged on the molding surfaces of the front template, the rear template, the front mold core, the rear mold core, the front mold insert and the rear mold insert.

Through above-mentioned technical scheme, the polishing layer makes the surface accuracy of profiled surface higher for the frictional force that receives when the product shaping back drawing of patterns is less, has avoided the product to take place to warp the condition of fracture even.

The utility model discloses further set up to: the front template is provided with a positioning lug, and the rear template is provided with a positioning groove matched with the positioning lug.

Through above-mentioned technical scheme, location lug and positioning groove cooperation for preceding template and back template complex are more accurate, thereby make the product precision that the shaping was come out higher, better reduction the factor that the product takes place to warp.

The utility model discloses further set up to: the mould benevolence advances gluey runner and mold insert and advances gluey runner and all be the round platform type, mould benevolence advances gluey runner and mold insert and advances gluey runner and reduce gradually towards the one end diameter of back template.

Through the technical scheme, the mould core glue inlet flow passage and the mould insert glue inlet flow passage are in the shape of the circular truncated cone, pressure accumulation of molten plastic in the mould core glue inlet flow passage and the mould insert glue inlet flow passage is avoided to be too much, so that the molten plastic can enter a mould cavity formed by the front mould core and the rear mould core more quickly, the product can be formed more quickly, and the product forming is more stable and the quality is better.

The utility model discloses further set up to: the mould core advances gluey runner and mold insert advances gluey runner and is close to the one end of back mould benevolence and all is equipped with some runner, be equipped with the transition circular arc between some runner and the mould core advances gluey runner or the mold insert advances gluey runner.

Through above-mentioned technical scheme, the point runner volume is less, and the point runner is very easy to be broken when the mould die sinking moreover to the point runner makes remaining jiao kou less on the fashioned product, better improvement the quality of product.

The utility model discloses further set up to: and ejector pins are arranged on the rear template, the rear mold core and the rear mold insert, and ejector pins are arranged in the ejector pins in a penetrating manner.

Through above-mentioned technical scheme, the thimble hole is used for supplying the thimble to insert, and the thimble hole all is equipped with on back template, the merciful and peaceful back mould mold insert of back mould for the thimble can be ejecting with the product after the shaping from a plurality of points.

To sum up, the utility model discloses following beneficial effect has:

1. the cooling assembly in the front mold core is used for cooling the front mold core, so that the temperature of the mold is prevented from being too high, the product is not easy to adhere to the mold after being molded, and the condition that the product is deformed and even pulled to crack during demolding is avoided;

2. ejector pins are arranged in the rear template, the rear mold core and the rear mold insert in a penetrating manner, so that the product is more stable in demolding, and the condition that the product is cracked due to unbalanced stress is avoided.

Drawings

FIG. 1 is a schematic view of the bottom of an electrical box of an automobile;

FIG. 2 is a schematic view of the interior of the electrical box of the vehicle;

FIG. 3 is an overall configuration diagram of the present embodiment;

FIG. 4 is an exploded view of the front mold plate, the front core, the rear core and the rear mold plate of the present embodiment;

FIG. 5 is a schematic structural view illustrating a connection relationship between the front mold insert and the front mold plate according to the present embodiment;

fig. 6 is a schematic structural diagram of an insert glue inlet flow passage according to the present embodiment;

FIG. 7 is a schematic structural diagram of a rear mold plate and a rear mold core according to the present embodiment;

FIG. 8 is an enlarged schematic view of portion A of FIG. 6;

FIG. 9 is a schematic structural diagram of the connection relationship between the front mold mounting plate and the front mold core according to the present embodiment;

fig. 10 is a schematic structural view of the cooling module of the present embodiment;

FIG. 11 is a schematic view of the structure of the rear mold core and the rear mold insert of the present embodiment;

FIG. 12 is a schematic view of the structure of the polishing layer of this example.

Reference numerals: 1. a front template; 2. a front mold core; 3. a rear template; 4. a rear mold core; 5. a front mold accommodating groove; 6. a cooling assembly; 7. a rear mold accommodating groove; 8. a rear mold insert; 9. a mold core glue inlet flow passage; 10. a cooling water path; 11. a communication waterway; 12. a circulating water path; 13. a front mold insert; 14. the insert enters a glue flow passage; 15. a polishing layer; 16. positioning the bump; 17. a positioning groove; 18. dotting a gate; 19. a transition arc; 20. a thimble hole; 21. a housing; 22. reinforcing ribs; 23. a front mold mounting plate; 24. a rear mold mounting plate; 25. a limiting groove; 26. a limiting block; 27. a fool-proof inclined plane; 28. a protrusion; 29. a water inlet; 30. and (7) a water outlet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 3 and 4, a production mold for a reverse deformation automobile electrical appliance box comprises a front template 1, a rear template 3, a front mold core 2 arranged on the front template 1 and a rear mold core 4 arranged on the rear template 3; a front mold accommodating groove 5 for accommodating the front mold core 2 is formed in the front mold plate 1, and a rear mold accommodating groove 7 for accommodating the rear mold core 4 is formed in the rear mold; the front template 1 is connected with a front template mounting plate 23 through bolts, the front mold core 2 is connected with the front template mounting plate 23 through bolts, the rear template 3 is connected with a rear mold mounting plate 24 through bolts, and the rear mold core 4 is connected with the rear mold mounting plate 24 through bolts.

Referring to fig. 3 and 4, a positioning bump 16 is fixed on the front template 1, a positioning groove 17 matched with the positioning bump 16 is arranged on the rear template 3, and the positioning bump 16 is matched with the positioning groove 17, so that the matching between the front template 1 and the rear template 3 is more accurate; all be equipped with on front forms 1 and the back template 3 and prevent slow-witted inclined plane 27, prevent that slow-witted inclined plane 27 sets up along front forms 1 or the thickness direction of back template 3, prevent that slow-witted inclined plane 27 is used for discerning the relative position when front forms 1 and the installation of back template 3, when the installation, when preventing slow-witted inclined plane 27 parallel and level on front forms 1 and the back template 3, front forms 1 and the installation that back template 3 could be correct.

Referring to fig. 5 and 6, a front mold insert 13 is detachably disposed on the front mold plate 1, and a limit groove 25 is disposed on one side of the front mold plate 1 close to the front mold mounting plate 23; be fixed with stopper 26 on the front mould mold insert 13, stopper 26 sets up in spacing groove 25, and stopper 26 places the surperficial parallel and level of back stopper 26 and the surface of front mould board 1 in spacing groove 25 in addition, and front mould board 1 is connected the back with front mould mounting panel 23, and front mould mounting panel 23 and front mould board 1 restrict stopper 26 on the front mould mold insert 13 wherein to make front mould mold insert 13 can not drop from front mould board 1, can be stable carry out the shaping of product. Be equipped with between the lateral wall of stopper 26 and the inside wall of spacing groove 25 and dodge the clearance for when stopper 26 was put into spacing groove 25, stopper 26 lateral wall and spacing groove 25's inside wall contactless, thereby reduced the requirement of machining precision, saved the processing cost.

Referring to fig. 7, a plurality of rear mold inserts 8 are inserted into the rear mold plate 3, the rear mold inserts 8 are arranged between the rear mold plate 3 and the rear mold core 4, and a molding cavity for molding the side wall of the automotive electrical appliance box is formed between the rear mold insert 8 and the rear mold plate 3, between the rear mold core 4, between the front mold core 2 and between the rear mold insert 8 and the front mold plate 1; a limiting block 26 is fixed at one end of the rear mold insert 8, which is far away from the front mold core 2, a limiting groove 25 is formed in the position, corresponding to the limiting block 26, of the rear mold plate 3, the limiting block 26 is placed in the limiting groove 25, and the rear mold insert 8 can be stably connected with the rear mold plate 3, so that the product can be better molded; the abrasion of the die can be generated in the using process, and the rear die insert 8 is convenient to detach, replace or maintain so as to improve the quality of products.

Referring to fig. 6 and 8, a front mold core 2 is provided with a mold core glue inlet flow passage 9, and a front mold insert 13 is provided with an insert glue inlet flow passage 14; the mold core glue inlet flow passage 9 (refer to fig. 5) and the mold insert glue inlet flow passage 14 are both in a circular truncated cone shape, namely, the cross section is trapezoidal, and the distance between the mold core glue inlet flow passage and the mold insert glue inlet flow passage gradually decreases towards the rear mold core 4 (refer to fig. 4); the pressure overstock of the hot-melt plastic generated in the mold core glue inlet flow passage 9 or the mold insert glue inlet flow passage 14 is avoided, the hot-melt plastic can enter the molding cavity between the front mold core 2 and the rear mold core 4 more quickly, and the molding cavity is filled with the hot-melt plastic quickly to form a product.

Referring to fig. 8, the mold core glue inlet flow passage 9 and the mold insert glue inlet flow passage 14 are both provided with a spot gate 18 at one end close to the rear mold core 4, and a transition arc 19 is arranged between the spot gate 18 and the glue inlet flow passage; the molten plastic enters the glue inlet runner and then reaches the point gate 18, and the transition circular arc 19 is in smooth transition, so that the molten plastic is prevented from being accumulated at the transition position; the front insert and the front mold core 2 are provided with bulges 28 at positions close to the point gate 18, the bulges 28 enable the surface of the product to be formed with a depression, the formed plastic in the point gate 18 is broken and can have a small amount of residual on the surface of the product, and the depression can contain residual plastic, so that the influence on the product quality caused by the residual plastic protruding out of the surface of the product is avoided.

Referring to fig. 9 and 10, a cooling assembly 6 is disposed in the front mold core 2, the cooling assembly 6 includes a cooling water path 10 and a communication water path 11, the cooling water path 10 is disposed along a depth direction of the automotive electrical box, the cooling water path 10 is a blind hole, and the communication water path 11 is perpendicular to and in communication with the cooling water path 10; a circulating water path 12 is arranged on the front mould mounting plate 23, the circulating water path 12 is communicated with the communicating water path 11 and the cooling water path 10, and a water inlet 29 and a water outlet 30 are communicated on the circulating water path 12; the cooling water enters from the water inlet 29, flows through the circulating water path 12, flows into the communicating water path 11 and the cooling water path 10, and is discharged from the water outlet 30 with the heat in the front mold core 2.

Referring to fig. 4 and 12, polishing layers 15 are disposed on molding surfaces of the front mold plate 1, the rear mold plate 3, the front mold core 2, the rear mold core 4, the front mold insert 13, and the rear mold insert 8, and the polishing layers 15 increase surface precision of molding surfaces in the mold, so that the obtained product has higher surface precision, and the friction between the product and the mold is smaller, thereby facilitating demolding.

Referring to fig. 4 and 11, the rear mold core 4 and the rear mold insert 8 are both provided with pin holes 20, and pins (not shown) are respectively inserted into the pin holes 20, and one end of each pin facing the front mold core 2 is flush with the surface of the rear mold plate 3, the rear mold core 4 or the rear mold insert 8.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A production mold of a reverse deformation automobile electrical box comprises a front template (1), a front mold core (2) arranged on the front template (1), a rear template (3) and a rear mold core (4) arranged on the template;

the front mold is characterized in that a front mold accommodating groove (5) for accommodating a front mold core (2) is formed in the front mold plate (1), and a cooling assembly (6) is arranged in the front mold core (2); the rear die comprises a rear die plate (3), a rear die insert (8) and a plurality of rear die inserts (8), wherein the rear die plate (3) is provided with a rear die accommodating groove (7) for accommodating a rear die core (4), the rear die plate (3) is provided with the rear die inserts (8) for forming the side wall of the automobile electrical box, and the rear die inserts (8) are arranged; the front mold core (2) is provided with a mold core glue inlet flow passage (9).

2. The production mold of the reverse deformation automobile electrical box according to claim 1, wherein the cooling assembly (6) comprises a cooling water channel (10) arranged along the depth direction of the automobile electrical box and a communication water channel (11) perpendicular to and communicated with the cooling water channel (10), a front mold mounting plate (23) used for mounting the front mold plate (1) of the seat is arranged on the front mold plate (1), a circulating water channel (12) communicated with the communication water channel (11) and the cooling water channel (10) is arranged on the front mold mounting plate (23), and a water inlet (29) and a water outlet (30) are communicated on the circulating water channel (12).

3. The production mold of the reverse deformation automobile electrical box according to claim 1, wherein a front mold insert (13) is detachably arranged on the front mold plate (1), and an insert glue inlet flow passage (14) is arranged on the front mold insert (13).

4. The production mold of the reverse deformation automobile electrical box according to claim 3, wherein the molding surfaces of the front mold plate (1), the rear mold plate (3), the front mold core (2), the rear mold core (4), the front mold insert (13) and the rear mold insert (8) are provided with polishing layers (15).

5. The production mold of the reverse deformation automobile electrical box according to claim 1, wherein a positioning bump (16) is arranged on the front template (1), and a positioning groove (17) matched with the positioning bump (16) is arranged on the rear template (3).

6. The production mold for the anti-deformation automobile electrical box according to claim 3, wherein the mold core glue inlet flow passage (9) and the mold insert glue inlet flow passage (14) are both in a circular truncated cone shape, and the diameters of the mold core glue inlet flow passage (9) and the mold insert glue inlet flow passage (14) are gradually reduced towards one end of the rear template (3).

7. The production mold of the reverse deformation automobile electrical box as claimed in claim 6, wherein a spot gate (18) is arranged at one end of each of the mold core glue inlet flow passage (9) and the insert glue inlet flow passage (14) close to the rear mold core (4), and a transition arc (19) is arranged between the spot gate (18) and the mold core glue inlet flow passage (9) or the insert glue inlet flow passage (14).

8. The production mold of the reverse deformation automobile electrical box according to claim 1, wherein the rear mold plate (3), the rear mold core (4) and the rear mold insert (8) are all provided with a thimble hole (20), and a thimble penetrates through the thimble hole (20).