CN219213917U - Horizontal feeding type die for electronic connector - Google Patents

Abstract

The utility model relates to a horizontal feeding type die for an electronic connector, which comprises the following components: the device comprises a lower template, an upper forming block, a lower forming block, an inclined pin mechanism, a side forming block, an outer runner, a main runner and a transition runner, wherein the upper template is arranged at the top of the lower template in a lifting manner, the upper forming block is embedded in the upper template, the lower forming block is embedded in the lower template and matched with the upper forming block in use, the inclined pin mechanism is arranged in the lower template, the side forming block is fixed at the inner side of the inclined pin mechanism and matched with the lower forming block in use, the outer runner is arranged in the upper template and the lower template, the main runner is arranged at two sides of the outer runner, and the transition runner is connected with the main runner. According to the utility model, the horizontal outer flow channel is arranged, so that the flow speed of sizing materials is reduced, and the filling fullness is improved; through setting up transition runner and slope decurrent and the reducing nozzle of diameter, under the condition of the same pressure, can increase the outflow rate of sizing material, when improving injection molding efficiency, can also guarantee the filling degree of sizing material, improve the effect of moulding plastics of product.

Description

Horizontal feeding type die for electronic connector

Technical Field

The utility model belongs to the technical field of dies, and particularly relates to a horizontal feeding type die for an electronic connector.

Background

Electronic connectors, also called connectors, are also referred to in the country as contacts and sockets, and are generally referred to as electrical connectors. I.e. a device connecting two active devices, which carries a current or signal. The male and female terminals are capable of transmitting a message or current through contact, also referred to as a connector. The electronic connector shown in fig. 1 is manufactured through an injection molding process, the main body is plate-shaped, and a plurality of grid baffles are arranged in the main body and are used for shielding a plurality of power lines connected in the grid baffles, so that short circuit is avoided. The top of the electronic connector is provided with grooves at intervals for installing the live wires, and the side walls of the electronic connector are provided with two rows of through grooves at intervals for installing the zero wires and the ground wires respectively.

In the existing injection mold, most of the plastic particles to be injection molded are heated and melted, and then are injected into the cavity from top to bottom through an injection molding machine for molding, so that the molten plastic particles flow faster under the influence of gravity, and the condition that the materials in the cavity are not full can be caused, and the molding effect of a finished product is affected.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a horizontal feeding type die for an electronic connector.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a horizontal feed mold for an electronic connector, comprising:

the lower die plate, liftable set up the cope match-plate pattern at lower bolster top, inlay and establish go up shaping piece in the cope match-plate pattern, inlay establish in the lower bolster and with last shaping piece matched with use down shaping piece, set up taper pin mechanism in the lower bolster, fix taper pin mechanism inboard and with the side shaping piece of lower shaping piece matched with use, set up outer runner in cope match-plate pattern and the lower bolster, set up the sprue of outer runner both sides, with the transition runner that the sprue links to each other, set up inner runner and the flow nozzle between last shaping piece and the lower shaping piece and liftable run through the thimble of lower shaping piece, inner runner links to each other with the transition runner, when the cope match-plate pattern rises, taper pin mechanism drives side shaping piece outwards to remove.

Optimally, the lifting device also comprises a supporting plate, a bottom plate fixed at the top of the supporting plate, a lifting plate arranged below the bottom plate in a lifting manner, a lifting column fixed on the lifting plate and penetrating through the bottom plate and the lower template, and a lifting spring sleeved on the lifting column, wherein the top of the lifting column is propped against the bottom of the upper template, and the ejector pin is fixed on the lifting plate.

Optimally, the device further comprises a top plate fixed at the top of the upper template, a first positioning groove formed at the bottom of the upper template, a first positioning block fixed in the first positioning groove, a second positioning groove formed at the top of the lower template, a second positioning block fixed in the second positioning groove, a linear bearing embedded in the lower template and a guide rod penetrating in the upper template, wherein the first positioning block is matched with the second positioning block, and the guide rod is matched with the linear bearing.

Optimally, the device further comprises a first inclined rod groove obliquely arranged on the upper template, a direct cooling material well arranged on the inner side of the outer flow channel, a main cooling material well arranged at the bottom of the outer flow channel, a secondary cooling material well arranged at the bottom of the transition flow channel, a main hole sealing column penetrating through the main cooling material well in a lifting manner and a secondary hole sealing column arranged in the secondary cooling material well in a lifting manner, wherein the main hole sealing column and the secondary hole sealing column are fixed on the lifting plate.

Optimally, the inclined pin mechanism comprises an inclined stop block fixed at the bottom of the upper die plate, an inclined pin arranged in the lower die plate, a second inclined rod groove penetrating through the inclined pin and obliquely arranged, inclined rods penetrating through the first inclined rod groove and the second inclined rod groove, and a wear-resisting block arranged between the inclined stop block and the inclined pin.

Optimally, the first positioning block is in a convex shape, and the second positioning block is in a concave shape.

Optimally, the spout is disposed obliquely downward and tapers in diameter.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the horizontal feeding type die for the electronic connector, disclosed by the utility model, the flow rate of sizing materials is reduced and the filling fullness is improved by arranging the horizontal outer flow channel; by arranging the inclined pin mechanism between the upper die plate and the lower die plate, after the side forming block forms the side wall groove of the electronic connector, the side forming block is driven by the inclined pin mechanism to move outwards along with the rising of the upper die plate, so that interference is avoided in the die opening process; through setting up transition runner and slope decurrent and the reducing nozzle of diameter, under the condition of the same pressure, can increase the outflow rate of sizing material, when improving injection molding efficiency, can also guarantee the filling degree of sizing material, improve the effect of moulding plastics of product.

Drawings

FIG. 1 is a schematic view of an electronic connector according to the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a front view of the present utility model;

FIG. 4 is a schematic view of the structure of the upper plate and the top plate of the present utility model;

FIG. 5 is a schematic view of the bottom of FIG. 4 according to the present utility model;

FIG. 6 is a cross-sectional view of FIG. 4 in accordance with the present utility model;

FIG. 7 is a schematic view of the structure of the upper mold plate of the present utility model;

FIG. 8 is a schematic view of the structure of the bottom of the upper mold plate of the present utility model;

FIG. 9 is a schematic view of the lower die plate of the present utility model;

FIG. 10 is a schematic view of the structure of the upper molding block of the present utility model;

FIG. 11 is a schematic view of the structure of the lower molding block of the present utility model;

FIG. 12 is a cross-sectional view of a lower molding block of the present utility model;

FIG. 13 is a schematic view of the construction of the tilt stop and tilt pin of the present utility model;

FIG. 14 is a cross-sectional view of FIG. 13 in accordance with the present utility model;

FIG. 15 is a cross-sectional view of the present utility model;

FIG. 16 is an enlarged view of the utility model at A of FIG. 15;

FIG. 17 is a cross-sectional view of another side of the present utility model;

FIG. 18 is an enlarged view of the utility model at B of FIG. 17;

reference numerals illustrate:

1. a support plate; 2. a bottom plate; 3. a lower template; 4. an upper template; 5. a top plate; 6. a lifting plate; 7. jacking the column; 8. a jack-up spring; 9. an upper molding block; 10. a lower molding block; 11. an upper molding block groove; 12. an upper molding block clamping groove; 13. a first diagonal slot; 14. a first positioning groove; 15. an outer flow passage; 16. a guide rod; 17. a linear bearing; 18. a first positioning block; 19. a second positioning groove; 20. a second positioning block; 21. a diagonal rod; 22. a direct cooling material well; 23. a main cold material well; 24. a main flow passage; 25. a transition flow passage; 26. an auxiliary cold material well; 27. an inner flow passage; 28. a spout; 29. a thimble; 30. a main hole sealing column; 31. an auxiliary hole sealing column; 32. a bump; 33. a taper pin; 34. a second diagonal slot; 35. a wear block; 36. an inclined stop block; 37. a return spring; 38. and (5) side forming blocks.

Detailed Description

The utility model will be further described with reference to examples of embodiments shown in the drawings.

As shown in fig. 2 and 3, the horizontal feeding mold for an electronic connector according to the present utility model is generally used for injection molding the electronic connector shown in fig. 1, and the electronic connector shown in fig. 1 is manufactured by an injection molding process, and the main body has a plate shape and a plurality of grid baffles inside for blocking a plurality of power lines connected therein, thereby avoiding short circuit. The top of the electronic connector is provided with grooves at intervals for installing the live wires, and the side walls of the electronic connector are provided with two rows of through grooves at intervals for installing the zero wires and the ground wires respectively. The device comprises a supporting plate 1, a bottom plate 2, a lower template 3, an upper template 4, a top plate 5, a lifting plate 6, a lifting column 7, a lifting spring 8, an upper forming block 9, a lower forming block 10, an upper forming block groove 11, an upper forming block clamping groove 12, an inclined pin mechanism, a first positioning groove 14, an outer flow passage 15, a guide rod 16, a linear bearing 17, a first positioning block 18, a second positioning groove 19, a second positioning block 20, a direct cold material well 22, a main cold material well 23, a main flow passage 24, a transition flow passage 25, a secondary cold material well 26, an inner flow passage 27, a flow nozzle 28, a thimble 29, a main hole sealing column 30, a secondary hole sealing column 31, a reset spring 37 and a side forming block 38.

The support plate 1 has two pieces which are spaced apart and serve as a bottom support for the mold. The bottom plate 2 is fixed on the top of the two support plates 1 by means of bolt fastening. The lower template 3 is fixed on the top of the bottom plate 2 in a bolt fastening manner, and a lower molding block 10 is installed in the lower template 3 and is used for molding a matrix structure of the electronic connector. The upper template 4 is arranged at the top of the lower template 3 in a lifting manner, an upper molding block 9 matched with the lower molding block 10 is arranged in the upper template 4, the upper template 4 descends to be attached to the lower template 3 during die assembly and injection molding, at the moment, the upper molding block 9 is positioned on the upper surface of the lower molding block 10, molten colloidal particles are introduced into a die, the shape of a required electronic connector is molded in a cavity surrounded by the upper molding block 9 and the lower molding block 10 by the sizing material, and the die is opened and taken out after cooling and pressure maintaining. The top plate 5 is fixed on top of the upper die plate 4 by means of bolt fastening, and the top plate 5 is used for protecting the upper forming block 9 in the upper die plate 4.

The lifting plate 6 is arranged between the two support plates 1 in a lifting manner and is positioned below the bottom plate 2, the bottom of the lifting plate 6 is connected with a cylinder, and lifting is realized under the action of the cylinder. One end of the jacking column 7 is fixed on the lifting plate 6, the other end of the jacking column 7 penetrates through the bottom plate 2 and the lower template 3 and abuts against the lower surface of the upper template 4, and under the action of the air cylinder, the lifting plate 6 drives the jacking column 7 to lift, so that the upper template 4 is jacked. The jacking spring 8 is sleeved on the jacking column 7 and located between the lifting plate 6 and the bottom plate 2, and the jacking spring 8 is used for assisting the reset of the lifting plate 6. The guide rod 16 is fixed at the bottom of the upper die plate 4, the linear bearing 17 is embedded in the lower die plate 3, the guide rod 16 penetrates through the linear bearing 17, when the lifting plate 6 drives the upper die plate 4 to lift, the guide rod 16 synchronously lifts in the linear bearing 17, and the relative accuracy of the positions of the upper die plate 4 and the lower die plate 3 in the die assembly and die opening processes can be ensured by arranging the linear bearing 17 and the guide rod 16, so that the injection molding effect is improved.

The first positioning groove 14 is formed in the bottom of the upper template 4, the second positioning groove 19 is formed in the top of the lower template 3, and the second positioning groove 19 corresponds to the first positioning groove 14 in position. The first positioning block 18 is in a shape like a Chinese character 'tu', and is fixed in the first positioning groove 14, the second positioning block 20 is in a shape like a Chinese character 'ao', and is fixed in the second positioning groove 19, and when the upper die plate 4 and the lower die plate 3 are matched, the first positioning block 18 is inserted into the second positioning block 20, so that the accuracy of the position after the die is matched is improved, and the injection molding effect is improved.

As shown in fig. 7, the upper molding block groove 11 vertically penetrates through the upper mold plate 4, and the number of the upper molding block grooves 11 can be determined according to the number of acupoints of a few acupoints of an actual mold, and the figure shows two acupoints of a mold. As shown in fig. 10, the upper molding block 9 is schematically structured, and the upper molding block 9 is fixed in the upper molding block groove 11 and moves synchronously with the upper mold plate 4. The upper shaping block clamping groove 12 is formed in two sides of the upper shaping block groove 11, the two sides of the upper shaping block 9 are integrally connected with the convex blocks 32, the upper shaping block 9 is inserted into the upper shaping block groove 11 during actual installation, the convex blocks 32 are clamped in the upper shaping block clamping groove 11, under the action of the upper shaping block clamping groove 11, when the upper template 4 is pushed up, the upper shaping block 9 and the upper template 4 are synchronously lifted, and the ejection of subsequent injection molding products is facilitated (a plurality of bulges are arranged at the bottom of the upper shaping block 9 at intervals and are used for forming the top opening of the electronic connector shown in fig. 1).

The lower template 3 is vertically penetrated with a lower molding block groove, and a lower molding block 10 is fixed in the lower molding block groove and is used for molding the main body structure of the electronic connector. As shown in fig. 11 and 12, a plurality of rectangular columns are provided at intervals on one side of the lower molding block 10, and the rectangular columns are used for molding the internal hollow structure of the electronic connector shown in fig. 1. The ejector pins 29 are fixed on the lifting plate 6 and penetrate through the bottom plate 2 to be placed at the bottom of the lower molding block 10 (specifically, the top of each ejector pin 29 abuts against the gaps of a plurality of rectangular columns arranged at intervals on the lower molding block 10, so that glue is prevented from leaking during pouring, and the ejector pins are used for ejecting finished products).

As shown in the drawing, the feeding direction of the die is horizontal feeding, but not vertical feeding, and because the vertical feeding is faster under the action of gravity, the filling fullness of the inside of the die cavity can not be ensured, the utility model is designed to be horizontal feeding, and the filling fullness is improved by reducing the flow rate of the sizing. As shown in fig. 15 and 16, the outer runner 15 is opened on the inner sides of the upper die plate 4 and the lower die plate 3 and horizontally arranged, the outer side of the outer runner 15 is connected with a compressor, and the melted sizing material is pressed into the outer runner 15 by the compressor. The inner side of the outer runner 15 is provided with a straight cold material well 22, and when the outer runner 15 flows from outside to inside, the front end of the molten rubber material may be cooled in advance in the outer runner 15, and if it is poured into a cavity, cracks or incomplete filling may occur, so that the cooled front end portion of the molten rubber material is stored by providing the cold material well 22 at the inner side end of the outer runner 15.

As shown in fig. 17 and 18, the main runner 24 is opened at the top of the lower die plate 3 and connected to two sides of the outer runner 15, and the main runner 24 is close to the direct cooling well 22, and as mentioned above, the die is a two-cavity die, so that the sizing material in the outer runner 15 flows into two cavities by arranging two groups of main runners 24. The transition runner 25 is arranged at the bottom of the upper template 4 and is connected with the main runner 24, and the sizing material in the outer runner 15 flows into the transition runner 25 through the main runner 24. The main cold material well 23 is arranged at the bottom of the outer runner 15 and is close to the straight cold material well 22, and the auxiliary cold material well 26 is arranged at the bottom of the transition runner 25 (the main cold material well 23 and the auxiliary cold material well 26 are respectively used for storing cooling sizing materials at the front ends of the outer runner 15 and the transition runner 25). The inner runner 27 is arranged between the upper forming block 9 and the lower forming block 10 and is connected with the transition runner 25, the flow nozzle 28 is arranged between the upper forming block 9 and the lower forming block 10, one end of the flow nozzle is connected with the inner runner 27, the other end of the flow nozzle is connected with the gaps of a plurality of rectangular columns arranged at intervals of the lower forming block 10, the flow nozzle 28 is obliquely downwards arranged, the diameter of the flow nozzle is gradually reduced, the area of the front end of the flow nozzle 28 is reduced, the outflow rate of sizing material can be increased under the condition of the same pressure, the injection efficiency is improved, and the premature cooling caused by slow flow of the sizing material can be avoided (the transition runner 25 is positioned above the main runner 24 and the inner runner 27, and when the molten sizing material enters the transition runner 25 from the main runner 24, the filling of the sizing material from bottom to top can be improved, and the occurrence of material shortage of the product is avoided). One ends of the main hole sealing column 30 and the auxiliary hole sealing column 31 are fixed on the lifting plate 6, the other ends of the main hole sealing column 30 and the auxiliary hole sealing column 31 are respectively penetrated in the main cold material well 23 and the auxiliary cold material well 26, and the main hole sealing column 30 and the auxiliary hole sealing column 31 are used for blocking the main cold material well 23 and the auxiliary cold material well 26 to prevent transitional sizing materials from entering the main cold material well 23 and the auxiliary cold material well 26 to cause sizing material waste.

The side wall of the electronic connector shown in fig. 1 is provided with a plurality of through grooves, and because the mold is opened in the vertical direction during mold opening, the side wall of the electronic connector is a horizontal through groove, so that the side wall of the electronic connector needs to be formed by driving the side forming block 38 through the inclined pin mechanism, and the side forming block 38 is driven to move outwards through the inclined pin mechanism so as to avoid interference during mold opening, as shown in fig. 13 and 14, the inclined pin mechanism is a schematic diagram of the inclined pin mechanism, and the inclined pin mechanism comprises a first inclined rod groove 13, an inclined rod 21, an inclined pin 33, a second inclined rod groove 34, a wear-resisting block 35, an inclined stop block 36 and a return spring 37. The first diagonal groove 13 penetrates the upper die plate 4 and is obliquely arranged, the diagonal pin 33 is arranged in the lower die plate 3, and the second diagonal groove 34 penetrates the diagonal pin 33 and is parallel to the first diagonal groove 13. The top of the inclined rod 21 is fixed in the first inclined rod groove 13, the bottom of the inclined rod 21 penetrates through the second inclined rod groove 34, the upper die plate 4 is jacked up in the die opening process, meanwhile, the inclined rod 21 fixed in the first inclined rod groove 13 ascends synchronously, and the first inclined rod 21 can stir the inclined pin 33 to move outwards. The side forming block 38 is fixed on the inner side of the taper pin 33 and moves synchronously with the taper pin 33, the inner side of the side forming block 38 is integrally connected with a plurality of protruding blocks, and is used for forming a horizontal through groove of the electronic connector, after the upper forming block 9 and the lower forming block 10 are matched to form a product, the upper die plate 4 is jacked up, meanwhile, the side forming block 38 is synchronously moved outwards under the drive of the taper pin 33, and the ejector pins 29 eject the product. The inclined stop block 36 is fixed at the bottom of the upper die plate 4, a wear-resisting block 35 is arranged between the inclined pin 33 and the inclined stop block 36, and when the inclined stop block 36 ascends along with the upper die plate 4, the inclined pin 33 moving outwards plays a role in resisting, so that the inclined pin 33 is prevented from falling out of the die, and the wear-resisting block 35 prevents transitional wear between the inclined stop block 36 and the inclined pin 33, thereby affecting the precision. The return spring 37 is installed in the inclined pin 33 and abuts against the lower forming block 10, and when the inclined rod 21 drives the inclined pin 33 to move, the inclined pin 33 is assisted to move by the elastic force of the return spring 37.

The injection principle of the horizontal feeding type mold for the electronic connector is as follows:

firstly, molten sizing material is injected into an outer runner 15 by a compressor, the sizing material flows into a cavity through a main runner 24, a transition runner 25 and an inner runner 27, after molding, cooling and pressure maintaining, a lifting plate 6 rises, an upper template 4 is jacked, a side molding block 38 is driven to move outwards by an inclined pin mechanism, interference is avoided when a product is ejected, and a thimble 29 ejects an injection molded electronic connector.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (7)

1. A horizontal feed mold for an electronic connector, comprising:

lower bolster (3), liftable setting are in cope match-plate pattern (4) at lower bolster (3) top, inlay establish go up shaping piece (9) in cope match-plate pattern (4), inlay establish in lower bolster (3) and with last shaping piece (9) matched with lower shaping piece (10), set up taper pin mechanism in lower bolster (3), fix taper pin mechanism inboard and with side shaping piece (38) of lower shaping piece (10) matched with use, set up outer runner (15) in cope match-plate pattern (4) and lower bolster (3), set up sprue (24) in outer runner (15) both sides, with transition runner (25) that sprue (24) link to each other, set up sprue (27) and flow nozzle (28) between last shaping piece (9) and lower shaping piece (10) and liftable run through thimble (29) of lower shaping piece (10), sprue (27) link to each other with transition runner (25), when cope match-plate pattern (4) rise, taper pin mechanism drives outside shaping piece (38).

2. The horizontal feed mold for an electronic connector of claim 1, wherein: the lifting device comprises a supporting plate (1), a bottom plate (2) fixed at the top of the supporting plate (1), a lifting plate (6) arranged below the bottom plate (2) in a lifting manner, a lifting column (7) fixed on the lifting plate (6) and penetrating through the bottom plate (2) and the lower template (3) and a lifting spring (8) sleeved on the lifting column (7), wherein the top of the lifting column (7) is propped against the bottom of the upper template (4), and a thimble (29) is fixed on the lifting plate (6).

3. The horizontal feed mold for an electronic connector according to claim 2, wherein: the novel guide rod structure is characterized by further comprising a top plate (5) fixed at the top of the upper die plate (4), a first positioning groove (14) formed in the bottom of the upper die plate (4), a first positioning block (18) fixed in the first positioning groove (14), a second positioning groove (19) formed in the top of the lower die plate (3), a second positioning block (20) fixed in the second positioning groove (19), a linear bearing (17) embedded in the lower die plate (3) and a guide rod (16) penetrating in the upper die plate (4), wherein the first positioning block (18) is matched with the second positioning block (20), and the guide rod (16) is matched with the linear bearing (17).

4. The horizontal feed mold for an electronic connector of claim 1, wherein: the automatic sealing device is characterized by further comprising a first inclined rod groove (13) obliquely formed in the upper die plate (4), a direct cooling material well (22) arranged on the inner side of the outer flow passage (15), a main cooling material well (23) arranged at the bottom of the outer flow passage (15), a secondary cooling material well (26) arranged at the bottom of the transition flow passage (25), a main hole sealing column (30) which is arranged in the main cooling material well (23) in a penetrating manner in a lifting manner, and a secondary hole sealing column (31) which is arranged in the secondary cooling material well (26) in a lifting manner, wherein the main hole sealing column (30) and the secondary hole sealing column (31) are fixed on the lifting plate (6).

5. The horizontal feed mold for an electronic connector of claim 4, wherein: the inclined pin mechanism comprises an inclined stop block (36) fixed at the bottom of the upper die plate (4), an inclined pin (33) arranged in the lower die plate (3), a second inclined rod groove (34) penetrating through the inclined pin (33) and obliquely arranged, an inclined rod (21) penetrating through the first inclined rod groove (13) and the second inclined rod groove (34) and a wear-resisting block (35) arranged between the inclined stop block (36) and the inclined pin (33).

6. A horizontal feed mold for an electronic connector as set forth in claim 3, wherein: the first positioning block (18) is in a convex shape, and the second positioning block (20) is in a concave shape.

7. The horizontal feed mold for an electronic connector of claim 1, wherein: the spout (28) is disposed obliquely downward and tapers in diameter.

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