CN214026981U

CN214026981U - Six-material-saving die

Info

Publication number: CN214026981U
Application number: CN202022731062.3U
Authority: CN
Inventors: 刘自福
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-24
Anticipated expiration: 2030-11-23

Abstract

The application discloses a six-outlet material-saving die, which comprises an upper die plate and a lower die plate which are provided with die cavities in a matched mode, and a pouring system communicated with the die cavities; the quantity of mould die cavity is six, the gating system corresponds six mould die cavity and is provided with three sprue that is the slope form. According to the six-outlet material-saving die, the three main runners are arranged, and each main runner is communicated with the two die cavities respectively, so that the runner bypass phenomenon is avoided, and the runner stroke is effectively shortened; the three main runners are arranged to be inclined, and the respective inclination angles and directions of the three main runners are designed according to the positions of the mold cavities, so that the uniformity of the feeding efficiency of the mold cavities is effectively guaranteed.

Description

Six-material-saving die

Technical Field

The application relates to the technical field of dies, in particular to a six-outlet material-saving die.

Background

With the increasing popularization of electronic terminal products, the market demand and supply of data lines as accessory products of the electronic terminal products are getting larger and larger.

The data line is generally composed of a terminal, a wire and an outer layer of plastic, and during production, the wire and the terminal are welded firstly, and then the outer layer of plastic is injected and molded outside the terminal and the wire.

The injection molding is usually completed on an injection molding machine, an injection mold is installed on the injection molding machine, a mold cavity is preset on the injection mold, and a melt in a trough of the injection molding machine enters the mold cavity through a nozzle and a pouring system of the injection mold and is finally cured and molded in the mold cavity.

The pouring system of the existing injection mold is generally only provided with a vertical main runner, the melt is conveyed to a corresponding cavity through a plurality of sub-runners communicated with the main runner, the whole runner is long in stroke, more detours are formed, the mold cavity is not convenient to machine and manufacture, and more material heads are generated at the same time, so that more melt materials are wasted.

Disclosure of Invention

The present application aims to solve at least one of the above technical problems to a certain extent.

The application provides a go out six provinces material moulds, includes:

mounting a template;

the lower template is in matched butt joint with the upper template, and a die cavity is formed by matching the spliced parting surfaces of the upper template and the lower template; and

the pouring system is communicated with the mold cavity;

the gating system comprises a main runner;

the number of the die cavities is six, and the six die cavities are horizontally arranged at intervals along the left-right direction; the pouring system is provided with three inclined main runners, and each main runner is communicated with two adjacent mold cavities; the starting ends of the three main runners are infinitely gathered but do not overlap, and the tail ends of the three main runners are respectively positioned in a middle division area between two mold cavities communicated with the three main runners.

Furthermore, the two main runners positioned on the outer side are inclined in the left-right direction, the tail ends of the two main runners are outward, and the main runner positioned in the middle is inclined in the front-back direction, and the tail ends of the two main runners are outward;

the two main flow passages positioned on the outer side are symmetrically arranged in the left-right direction.

Furthermore, the cross section of the main flow channel is circular, and the cross sectional area of the main flow channel gradually increases from the starting end to the tail end.

Further, the gating system further includes:

the branch channel is communicated with the tail end of the main channel and horizontally arranged between the two mold cavities in the left-right direction; and

and the sprue gates are symmetrically arranged at the left end and the right end of the sub-runner and are respectively communicated with a mold cavity.

Furthermore, the sprue is arranged to be of a horn-shaped structure, and the discharge end of the sprue is located at the bottom of the mold cavity.

Furthermore, the gate is arranged in an up-and-down symmetrical structure taking the parting surface of the upper template and the lower template as a symmetrical surface.

Further, the first end of the sprue is communicated with the runner; the shape and the size of the cross section of the first end of the sprue are matched with those of the cross section of the runner.

Furthermore, an upper sprue channel and an upper shunting channel which are concave and communicated are formed on the parting surface of the upper template; a lower sprue channel and a lower shunting channel which are concave and communicated are formed on the parting surface of the lower template; the upper gate groove and the lower gate groove are matched and butted to form the gate, and the upper splitter box and the lower splitter box are matched and butted to form the splitter channel.

Further, the six-discharging material-saving die also comprises a wire clamping jig arranged between the upper die plate and the lower die plate; and the wire clamping jig is provided with terminal accommodating grooves corresponding to the die cavities in number and position one to one.

Furthermore, one end, far away from the terminal accommodating groove, of the wire clamping jig is provided with wire clamping grooves, and the number and the positions of the wire clamping grooves correspond to the mold cavities one to one.

The beneficial effect of this application is: by arranging three main runners, and respectively communicating each main runner with two mold cavities, the runner bypass phenomenon is avoided; the three main runners are arranged in an inclined shape, and the respective inclination angles and directions of the three main runners are designed according to the positions of the mold cavities, so that the uniformity of the feeding efficiency of each mold cavity is effectively guaranteed; the sprue is directly arranged on the parting surface of the upper template and the lower template, and the sprue is symmetrically arranged in a horn-shaped structure, so that the manufacturing of a mold cavity is effectively simplified, the manufacturing cost of the mold is reduced, the stroke of a runner is further shortened, and the melt material can be effectively saved in the injection molding process.

Drawings

Fig. 1 is a schematic plan view of a six-material-saving mold according to the present application in a front view.

Fig. 2 is a schematic perspective view of a six-material-saving mold according to the present application.

Fig. 3 is an exploded view of a six-part material saving mold according to the present application.

Fig. 4 is an exploded view of a first perspective of the upper die assembly of the present application.

Fig. 5 is a perspective view of an upper mold assembly according to the present application from a second perspective.

Fig. 6 is an enlarged view of a portion a in fig. 5.

Fig. 7 is an exploded view of the upper die assembly of the present application from a second perspective.

Fig. 8 is a schematic perspective view of a wire clamping fixture and a lower die assembly according to the present invention.

Fig. 9 is an enlarged view of a portion B in fig. 8.

Fig. 10 is a schematic structural diagram of a main flow channel in a top view.

Fig. 11 is a schematic structural diagram of a main flow channel in a main view of the present application.

Fig. 12 is a schematic structural diagram of the main flow channel of the present application from a right perspective.

Fig. 13 is a schematic structural view of a gate according to the present application from a top view.

Fig. 14 is a perspective view of a gate according to the present application.

Fig. 15 is a schematic structural view of a gate according to the present application from a front view.

Fig. 16 is a reference view showing a use state in which a workpiece is provided on the lower die assembly of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature therebetween; also, the first feature "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature; the first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.

Referring to fig. 1 to 16, the present application provides a six-material-saving mold, which includes an upper mold assembly 10 and a lower mold assembly 20.

Go up mould assembly 10 and include mould base 11 and cope match-plate pattern 12, cope match-plate pattern 12 is fixed to be set up in the bottom of mould base 11. The upper die base 11 and the upper die plate 12 are connected through bolts. As shown in fig. 4 and 7, the bottom of the upper die base 11 is provided with a plurality of upper die positioning posts 111, and the top of the upper die plate 12 is provided with upper die positioning holes 121 at positions corresponding to the upper die positioning posts 111. During assembly, the upper die positioning holes 121 on the upper die plate 12 are aligned with the upper die positioning posts 111 on the upper die base 11, so that the upper die base 11 and the upper die plate 12 can be accurately butted.

The lower die assembly 20 includes a lower die base 21 and a lower die plate 22, and the lower die plate 22 is fixedly disposed at the top of the lower die base 21. The lower mold base 21 comprises a lower mold base plate 211 and a lower mold leg 212 fixedly arranged on the lower mold base plate 211, and the lower mold plate 22 is fixedly arranged above the lower mold leg 212.

The upper template 12 is matched and butted with the lower template 22, a mold cavity is formed by matching the split surfaces of the upper template 12 and the lower template 22, and a pouring system communicated with the mold cavity is arranged between the upper mold assembly 10 and the lower mold assembly 20 in a matching manner.

The gating system includes a feeding hole 31, a main runner 32, a sub-runner 33, and a gate 34.

The feed port 31 is opened in the middle of the upper die base 11. The feeding end of the feeding hole 31 is connected with a feeding device of the injection molding machine, and the discharging end of the feeding hole 31 is communicated with the main flow passage 32.

The six-outlet material-saving die is provided with six die cavities. The six die cavities are horizontally arranged at intervals in the left-right direction. In a preferred embodiment, six mold cavities are arranged at equal intervals.

The gating system is provided with three inclined main runners 32 corresponding to the six mold cavities, wherein each main runner 32 is communicated with two adjacent mold cavities, and then the six mold cavities are divided into three groups. Each main runner 32 is communicated with two corresponding mold cavities through a corresponding runner 33 and a gate 34.

The starting ends of the three main flow channels 32 are infinitely gathered but do not coincide, and meanwhile, the tail ends of the three main flow channels 32 are respectively positioned in a middle division area between two mold cavities communicated with the three main flow channels. It is understood that one end of the main channel 32, which is connected with the feeding hole 31 for the melt to enter into the main channel 32, is the beginning of the main channel 32; the end of the main runner 32 connected to the sub-runners 33 for the melt to enter the sub-runners 33 from the main runner 32 is the end of the main runner 32.

In this embodiment, the main flow passage 32 is provided with an inclined conical structure, the cross section of the main flow passage 32 is circular, and the cross sectional area of the main flow passage 32 gradually increases from the beginning to the end. The starting ends of the three main flow channels 32 are arranged at equal intervals, so that a connecting line between the centers of circles of the starting ends of the three main flow channels 32 forms an equilateral triangle on a plane where the connecting line is located. Meanwhile, the ends of the three main flow channels 32 are all inclined outward in different directions, so that the three main flow channels 32 form a specific inclined shape. Specifically, the ends of the two main flow channels 32 located on the outer side are inclined outward in the left-right direction, so that the two main flow channels 32 located on the outer side are inclined in the left-right direction, and the two main flow channels 32 located on the outer side are symmetrically arranged in the left-right direction; the end of the main flow channel 32 in the middle is inclined outward in the front-rear direction, so that the main flow channel 32 in the middle is inclined in the front-rear direction, and the connection line between the centers of the three ends of the main flow channel 32 forms an isosceles triangle with the plane.

Referring to fig. 10 to 12, for convenience of description and understanding, the three main flow channels 32 are respectively named as a first main flow channel 321, a second main flow channel 322 and a third main flow channel 323 from left to right. The main flow channel 32 located in the middle is the second main flow channel 322, and the two main flow channels 32 located at the outer sides are the first main flow channel 321 and the third main flow channel 323, respectively.

The first main flow passage 321 and the third main flow passage 323 are inclined in the left-right direction, the first main flow passage 321 and the third main flow passage 323 are symmetrically arranged in the left-right direction, and an isosceles triangle with a horizontal plane as a base is formed between the central axis of the first main flow passage 321 and the horizontal plane of the third main flow passage 323 and the horizontal plane in the left-right direction. The level may be referred to as the level at which the end of the primary channel 32 is located.

The second main flow channel 322 is inclined in the front-rear direction. The central axes of the first main flow passage 321 and the third main flow passage 323 are overlapped in the front-rear direction, and a right triangle in which the central axis and the horizontal plane of the first main flow passage 321/the third main flow passage 323 are right-angled sides is formed between the central axis of the second main flow passage 322 and the central axis and the horizontal plane of the first main flow passage 321/the third main flow passage 323 in the front-rear direction. In this embodiment, the end of the second main flow channel 322 is offset rearward by a certain distance so that the second main flow channel 322 forms an inclined shape with the end located rearward of the start end. In other embodiments, the end of the second main flow channel 322 may also be offset forward by a certain distance so that the second main flow channel 322 is inclined with the end located in front of the beginning.

In order to reduce the length of the runner as much as possible, in this embodiment, the branch runner 33 is horizontally disposed in the left-right direction, two gates 34 are symmetrically disposed at the left and right ends of the branch runner 33, and the two gates 34 are respectively communicated with a mold cavity. When the end of the main flow channel 32 just falls on the sub flow channel 33, the main flow channel 32 is directly communicated with the sub flow channel 33, and when the end of the main flow channel 32 does not fall on the sub flow channel 33, the main flow channel 32 is communicated with the sub flow channel 32 through the auxiliary flow channel.

Referring to fig. 13 to 16, a first end of the gate 34 is connected to the runner 33, and a cross section of the first end of the gate 34 has a shape and a size matching with those of the runner 33. A second end of the gate 34 forms a gate discharge end, and the second end of the gate 34 communicates with the mold cavity. The gate 34 is arranged in a horn structure, and a second end of the gate 34 is located at the bottom of the mold cavity. The cross section of the gate 34 is circular, and the cross section area of the gate 34 is gradually reduced from the first end to the second end.

In this embodiment, the gate 34 and the runner 33 are directly disposed on the parting plane of the upper mold plate 12 and the lower mold plate 22, and are in a vertically symmetrical structure with the parting plane of the upper mold plate 12 and the lower mold plate 22 as a symmetrical plane.

Hereinafter, the specific structure of the one-sixth-material-saving mold of the present application will be described in further detail by taking the injection molding of the one-sixth-material-saving mold applied to the outer mold 200 of the data line as an example. In the injection mold of the data line, the tip of the gate 34 is located at the bottom of the outer mold 200 of the data line. Referring to fig. 13 to 15, fig. 13 to 15 show the position relationship among the data line, the mold cavity of the outer mold 200 and the gating system during the injection molding of the outer mold 200, wherein the part shown by the dotted line is the outer contour structure of the outer mold 200 of the data line, that is, the inner contour structure of the mold cavity forming the outer mold 200.

As shown in fig. 5 to 9, an inner concave upper mold cavity 41 is formed on a parting surface of the upper mold plate 12, an inner concave lower mold cavity 42 is formed on a parting surface of the lower mold plate 22, and the upper mold cavity 41 and the lower mold cavity 42 are matched and butted to form a mold cavity of the outer mold 200. Since the outer mold 200 of the data line has a vertically symmetrical structure, the upper mold cavity 41 and the lower mold cavity 42 have a vertically symmetrical structure with the parting plane of the upper mold plate 12 and the lower mold plate 22 as a symmetrical plane.

The upper die plate 12 is formed with an upper gate groove 341 and an upper shunt groove 331 on a parting surface, which are concave and communicated, and the upper gate groove 341 is communicated with the upper die cavity 41. The lower mold plate 22 is formed with a concave and communicated lower gate groove 342 and a lower diversion groove 332 on the parting surface, and the lower gate groove 342 is communicated with the lower mold cavity 42. The upper gate groove 341 and the lower gate groove 342 are matched and butted to form the gate 34, and the upper diversion groove 331 and the lower diversion groove 332 are matched and butted to form the diversion channel 33.

The six-discharging material-saving die further comprises a wire clamping jig 50 arranged between the upper die plate 12 and the lower die plate 22.

The wire clamping fixture 50 includes a fixture base 51, and a terminal clamping module strip 52 detachably disposed on the fixture base 51. The terminal holding die strip 52 is provided with terminal accommodating grooves 53 corresponding to the positions and the number of the die cavities one to one, and the terminal accommodating grooves 53 are used for accommodating and holding the terminals 101.

Specifically, the terminal holding die strip 52 includes a die strip base plate 521 and a die strip cover plate 522. Six terminal accommodating grooves 53 for accommodating the terminals 101 are distributed in parallel on the mold bar base plate 521. The terminal receiving groove 53 is formed in an open structure, so that the terminal 101 can be quickly and accurately placed in the terminal receiving groove 53. And a terminal avoiding opening matched with the outer contour of the terminal 101 is formed in one side of the mold cavity facing the terminal accommodating groove 53.

Six wire clamping grooves 54 for clamping wires are formed in one end, far away from the terminal accommodating groove 53, of the wire clamping jig 50, and the positions of the wire clamping grooves 54, the terminal accommodating groove 53 and the mold cavity correspond to one another one to one. The side wall of the wire clamping groove 54 is provided with an elastic clamping mechanism 55, and the elastic clamping mechanism 55 is used for providing an elastic force perpendicular to the extending direction of the wire 102 for the wire 102 placed in the wire clamping groove 54, so that the wire 102 is tightly abutted to the wire clamping groove 54, and the wire 102 is prevented from loosening in the machining process.

In order to allow the wire 102 to pass through and play a certain bearing role on the wire 102, a wire avoiding groove for accommodating the wire 102 is further arranged on the parting surface of the upper template 12 and the lower template 22 in a matching manner. In this embodiment, for the processing of being convenient for, the wire rod dodges the groove and opens on the mold insert. Specifically, an upper insert 61 is arranged on the upper template 12, and a concave upper wire avoiding groove 611 is formed in the upper insert 61; a lower insert 62 is disposed on the lower template 22, and a concave lower wire avoiding groove 621 is disposed on the lower insert 62.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. It will be apparent to those skilled in the art from this disclosure that many more simple derivations or substitutions can be made without departing from the spirit of the disclosure.

Claims

1. The utility model provides a go out six provinces material moulds which characterized in that includes:

mounting a template;

the pouring system is communicated with the mold cavity;

the gating system comprises a main runner;

2. The mold according to claim 1, wherein the two outer sprue portions are inclined in the left-right direction with their ends facing outward, and the middle sprue portion is inclined in the front-rear direction with its ends facing outward;

3. The material saving die as claimed in claim 1, wherein the cross section of the primary flow channel is circular, and the cross sectional area of the primary flow channel gradually increases from the beginning to the end.

4. The single-outlet six-material saving mold according to any one of claims 1 to 3, wherein the pouring system further comprises:

5. The six-saving die according to claim 4, wherein the sprue is arranged in a horn-shaped structure, and the discharge end of the sprue is positioned at the bottom of the die cavity.

6. The six-saving die as claimed in claim 5, wherein the gate is disposed in an up-down symmetrical structure with the parting plane of the upper and lower die plates as a symmetrical plane.

7. The single-outlet six-material saving die of claim 5, wherein the first end of the gate is communicated with the runner; the shape and the size of the cross section of the first end of the sprue are matched with those of the cross section of the runner.

8. The six-part material-saving die as claimed in claim 7, wherein the upper die plate is formed with an upper gate groove and an upper splitter groove on the parting surface, which are concave and communicated with each other; a lower sprue channel and a lower shunting channel which are concave and communicated are formed on the parting surface of the lower template; the upper gate groove and the lower gate groove are matched and butted to form the gate, and the upper splitter box and the lower splitter box are matched and butted to form the splitter channel.

9. The six-discharging material saving die of any one of claims 1 to 3, further comprising a wire clamping jig arranged between the upper die plate and the lower die plate; and the wire clamping jig is provided with terminal accommodating grooves corresponding to the die cavities in number and position one to one.

10. The six-material saving die set according to claim 9, wherein the wire holding jig is provided with wire holding grooves at an end thereof away from the terminal receiving groove, and the number and positions of the wire holding grooves correspond to the die cavities one to one.