CN211640829U - Mold insert slide block structure of mold - Google Patents

Abstract

The utility model discloses an insert slide block structure of a mould, which comprises an insert, wherein one side of the insert is provided with a terminal installation cavity with an opening at the side edge; a slide base; the sliding block structure is arranged on the sliding seat in a sliding mode, and is relatively close to or relatively far away from a side opening of the terminal mounting cavity along the guiding direction of the sliding seat under the action of driving force; and a pressing block which can stretch into the terminal mounting cavity and is matched with the insert to press the terminal in the terminal mounting cavity is arranged on the side wall of the sliding block structure, which is close to the insert. The adoption of the open type insert sliding block structure can avoid the scratch when the terminal is installed in the insert hole, and the sliding block structure can adjust the clearance of the terminal inwards or outwards within a qualified range according to the deformation of injection molding, so that the deformation problem of the terminal can be solved.

Description

Mold insert slide block structure of mold

Technical Field

The utility model relates to an injection mold technical field, concretely relates to mold insert slider structure of mould.

Background

In the process of manufacturing the connector 100 in fig. 1, which is formed by combining the hardware terminal 110 and the plastic part 120, the hardware terminal 110 needs to be covered and molded in the plastic part 120, and the covered and molded hardware terminal 110 needs to be exposed from the outer wall of the plastic part 120. According to different applications, the terminals of the connector product need to be provided with different structures, and the bent terminals need to be arranged on part of the connector. When the connector with the bent terminal is manufactured, the bent terminal is generally manufactured, then the bent terminal is inserted into the mold insert hole, and finally a plastic part is injection molded to manufacture a connector product coated with a hardware terminal.

In the prior art, as shown in fig. 2-4, a mold insert for manufacturing the connector 100 shown in fig. 1 is provided, the terminal 110 is vertically pressed into the mold insert hole 210, and the interference between the terminal 110 and the inner wall of the insert hole 210 may cause the plating layer on the terminal 110 to be scratched; and the two side surfaces of the terminal 110 inserted in the mold insert hole 210 and the inner wall of the insert hole 210 are in direct surface contact, when the plastic part 120 is injection molded, the terminal 110 can be in close contact with the inner wall of the insert hole 210 due to the effects of expansion with heat and contraction with cold, so that the side surface of the terminal 110 can be scratched by the inner wall of the insert hole 210 during demolding, the appearance of an injection product is poor, the reject ratio of the injection product is increased, and the production cost of an enterprise is increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an insert slider structure of mould to when solving among the prior art and moulding the connector product that has the hardware terminal of bending at the preparation package, the plating layer on the hardware terminal is easily by mould insert hole inner wall scratch, and influences the problem of injection moulding product defective rate.

In order to solve the technical problem, the technical scheme of the utility model as follows:

an insert slide structure of a mold, comprising:

the insert is provided with a terminal mounting cavity with an opening at the side edge at one side;

a slide base;

the sliding block structure is arranged on the sliding seat in a sliding mode, and is relatively close to or relatively far away from a side opening of the terminal mounting cavity along the guiding direction of the sliding seat under the action of driving force; and a pressing block which can stretch into the terminal mounting cavity and is matched with the insert to press the terminal in the terminal mounting cavity is arranged on the side wall of the sliding block structure, which is close to the insert.

Furthermore, a pressing surface matched with the shape of the terminal in the terminal mounting cavity is formed on the outer surface of the pressing block facing the insert in a processing mode.

Furthermore, the pressing block is detachably connected with an adjusting block, and the adjusting block is provided with a molding surface matched with the shape of the terminal in the terminal installation cavity.

Furthermore, the top of the insert is provided with a top opening which is communicated with the terminal installation cavity and is used for the vertical insertion of the terminal.

Furthermore, clearance guide angles are arranged on the two sides of the insert corresponding to the top opening.

Furthermore, the side opening is an opening-expanding structure with a large caliber outside and a small inside, and a slide block guide angle for guiding the slide block structure into the terminal installation cavity from the side opening is arranged at the position of the insert corresponding to the side opening.

Furthermore, the terminal installation cavities are arranged on the insert side by side, the pressing blocks are arranged on the sliding block structure side by side, and the pressing blocks are matched with the terminal installation cavities one by one.

Further, the slide is the U type, slider structure slidable mounting in on the U die cavity of slide, be equipped with the gib block on two relative support arms of slide respectively, the relative both sides of slider structure be equipped with correspond gib block sliding fit's spout.

Furthermore, an inclined guide groove is arranged on the sliding block structure, a preset included angle is formed between the guide direction of the inclined guide groove and the die opening and closing direction, the inclined guide groove is connected with a shovel machine which moves along the die opening and closing direction in a sliding mode, and the shovel machine is provided with an inclined guide surface matched with the inclined guide groove; buckles are arranged on two opposite sides of the shovel machine, and clamping grooves which are buckled with the buckles in the guide direction of the guide strip and are in sliding fit with the buckles in the guide direction of the inclined guide groove are arranged on the sliding block structure; the shovel machine moves along the die opening and closing direction to drive the sliding block structure to relatively approach or relatively leave away from the insert along the guiding direction of the guide strip.

Furthermore, a glass bead screw is arranged on the sliding fit surface of the sliding seat and the sliding block structure.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an insert slider structure of mould sets up the terminal installation cavity that has the side open in one side of insert, in the process of spacing fixed to the terminal, can be earlier terminal from the open installation of side entering terminal installation cavity, then drive the side open that the slider structure is close to terminal installation cavity, make the clamp block on the slider structure and the cooperation of terminal installation cavity inner wall compress tightly the terminal in the terminal installation cavity, the lateral wall of clamp block and the inner wall of terminal installation cavity form the insert hole of terminal jointly; the open type insert sliding block structure can avoid the scratch when the terminal is installed in the insert hole, and the sliding block structure can adjust the terminal clearance inwards or outwards within a qualified range according to the deformation amount of injection molding, so that the deformation problem of the terminal can be solved; on the other hand, in the demolding process after injection molding of the plastic part, the forerunner sliding block structure is relatively far away from the mold insert, and then the connector coated with the plastic terminal is ejected out, so that the scratch of the inner wall of the mold insert hole on the surface of the terminal in the demolding process can be avoided, the qualification rate of the connector product is greatly improved, the production cost of an enterprise is reduced, and the mold mechanism meets the requirement of mass production.

2. The utility model provides a mold insert slider structure of mould, the surface processing of compact heap orientation mold insert be formed with the face that compresses tightly that is located the terminal appearance looks adaptation of terminal installation intracavity, can make the compact heap better compress tightly the terminal that is located terminal installation intracavity, ensure that the terminal is at controllable within range because of expend with heat and contract with cold's deflection.

3. The utility model provides a mold insert slider structure of mould, the mode of connection on the compact heap can be dismantled to the regulating block, and the shaping face that processing obtained and terminal appearance looks adaptation is dismantled to the regulating block to the convenience, not only makes the mould process of transferring more convenient, can change different regulating blocks according to the terminal of unidimensional model moreover to adapt to the production demand of different grade type connector product.

4. The utility model provides a mold insert slider structure of mould sets up on the open-top of mold insert and keeps away empty guide angle, conveniently puts into terminal installation intracavity with the terminal, avoids the scratch.

5. The utility model provides a mold insert slider structure of mould, mold insert correspond the setting of the open position upper shoe guide angle of side, and the slider structure of being convenient for reduces the scotch of slider structure activity in-process from the uncovered leading-in terminal installation intracavity of side, improves the life of mould.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a connector product having bent terminals;

FIG. 2 is a schematic diagram of a prior art hardware terminal being pressed vertically into a mold insert hole;

FIG. 3 is a schematic view of the fitting relationship between the hardware terminal of the connector and the insert hole of the mold in the prior art;

FIG. 4 is a schematic view of a prior art mounting structure of a hardware terminal in an insert hole;

fig. 5 is a schematic view of a structure of a hardware terminal inserting insert slider of the connector product according to the embodiment of the present invention;

fig. 6 is an exploded view of an insert slide block structure according to an embodiment of the present invention;

fig. 7 is a schematic structural view of the hardware terminal inserted in front of the terminal mounting cavity of the insert in the embodiment of the present invention;

fig. 8 is a schematic structural view illustrating the hardware terminal inserted in the terminal mounting cavity of the insert according to the embodiment of the present invention;

fig. 9 is a top view of the hardware terminal inserted in the terminal mounting cavity of the insert according to the embodiment of the present invention.

Description of reference numerals: 100. a connector; 110. a terminal; 120. a plastic part; 210. an insert hole;

1. an insert; 11. a terminal mounting cavity; 12. the side edge is open; 13. the top is open; 14. a slider guide angle; 2. a slide base; 21. a guide strip; 22. a U-shaped cavity; 3. a slider structure; 31. a compression block; 32. a chute; 33. an inclined guide groove; 34. a card slot; 4. shoveling; 41. an inclined guide surface; 42. buckling; 5. a bead screw.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

An insert-slide structure of a mold shown in fig. 5-9 comprises an insert 1, a slide 2, a slide structure 3 and a shovel machine 4; wherein, a terminal installation cavity 11 with a side opening 12 is arranged at one side of the insert 1 close to the slide block structure 3; the slider structure 3 is slidably mounted on the slider 2 and relatively close to or relatively far away from the side opening 12 of the terminal mounting cavity 11 along the guiding direction of the slider 2 under the action of the driving force. The side wall of the slider structure 3 close to the insert 1 is provided with a pressing block 31 which can extend into the terminal mounting cavity 11 and is matched with the insert 1 to press the terminal 110 in the terminal mounting cavity 11.

This kind of mold insert slider structure, set up the terminal installation cavity 11 that has the uncovered 12 of side in 1 one side of mold insert, carry out spacing fixed in-process to terminal 110, can be earlier with terminal 110 from the uncovered 12 installation of side entering terminal installation cavity 11 in, then drive slider structure 3 is close to the uncovered 12 of side of terminal installation cavity 11, terminal 110 that makes the cooperation of compact heap 31 and the 11 inner walls of terminal installation cavity on the slider structure 3 in with the terminal installation cavity 11 compresses tightly, the lateral wall of compact heap 31 and the inner wall of terminal installation cavity 11 form the mold insert 1 hole of terminal 110 jointly. The open type insert sliding block structure can avoid scratches when the terminal 110 is installed in the hole of the insert 1, and the sliding block structure 3 can adjust the gap of the terminal 110 inwards or outwards within a qualified range according to the deformation amount of injection molding, so that the deformation problem of the terminal 110 can be solved; on the other hand, in the demolding process after the injection molding of the plastic part 120, the sliding block structure 3 is away from the insert 1 relatively, and then the connector 100 coated with the terminal 110 is ejected out, so that the scratch of the inner wall of the hole of the insert 1 on the surface of the terminal 110 in the demolding process can be avoided, the product yield of the connector 100 is greatly improved, the production cost of an enterprise is reduced, and the mold mechanism meets the requirement of mass production.

In a specific embodiment of the present embodiment, the pressing block 31 is machined to form a pressing surface adapted to the external shape of the terminal 110 located in the terminal mounting cavity 11, toward the outer surface of the insert 1. Processing the pressing surface on the pressing block 31 can enable the pressing block 31 to better press the terminal 110 in the terminal mounting cavity 11, and ensure that the deformation of the terminal 110 caused by thermal expansion and cold contraction is in a controllable range.

In another specific embodiment of this embodiment, the pressing block 31 is detachably connected with an adjusting block, and the adjusting block has a molding surface adapted to the shape of the terminal 110 located in the terminal installation cavity 11. The mode of connection on compact heap 31 can be dismantled to the regulating block, conveniently dismantles the regulating block processing get with the shaping face of terminal 110 appearance looks adaptation, not only makes the accent mould process more convenient, can change different regulating blocks according to the terminal 110 of different size models moreover to the production demand of adaptation different grade type connector 100 product.

Specifically, in the die adjustment process, the inclination angle of the pressing surface or the forming surface can change the processing direction according to the size tolerance of the terminal 110, so that the gap in which the pressing block 31 or the adjusting block presses the terminal 110 is within the qualified range.

In this embodiment, the top of the insert 1 is provided with a top opening 13 communicating with the terminal mounting cavity 11 and into which the terminal 110 is vertically inserted; two sides of the insert 1 corresponding to the top opening 13 are provided with clearance guide angles. The arrangement of the clearance guide angle on the insert 1 facilitates the placement of the terminal 110 into the terminal mounting cavity 11, thereby avoiding scratching.

In this embodiment, the side opening 12 is a flaring structure with a large diameter outside and a small diameter inside, and a slider guide angle 14 for guiding the slider structure 3 into the terminal mounting cavity 11 from the side opening 12 is arranged at a position of the insert 1 corresponding to the side opening 12. Preferably, the size of the slider guide angle 14 is 10 degrees; the setting of slider guide angle 14, the slider structure 3 of being convenient for reduces the scotch of slider structure 3 activity in-process in leading-in terminal installation cavity 11 from the uncovered 12 leading-in terminals of side, improves the life of mould.

In this embodiment, three terminal installation cavities 11 are arranged on the insert 1 side by side, three pressing blocks 31 are also arranged on the slider structure 3 side by side, and the three pressing blocks 31 are matched with the three terminal installation cavities 11 one by one.

Specifically, the slide base 2 is U-shaped, the slider structure 3 is slidably mounted on a U-shaped cavity 22 of the slide base 2, two opposite support arms of the slide base 2 are respectively provided with a guide bar 21 protruding towards the U-shaped cavity 22, and two opposite sides of the slider structure 3 are provided with sliding grooves 32 slidably matched with the corresponding guide bars 21. The structure of the guide strip 21 cooperating with the slide groove 32 can limit the sliding of the slider structure 3 along the guiding direction of the guide strip 21.

Specifically, an inclined guide groove 33 is arranged on the sliding block structure 3, and a preset included angle is formed between the guide direction of the inclined guide groove 33 and the mold opening and closing direction; wherein, the mold opening and closing direction is perpendicular to the sliding direction of the slider structure 3. A shovel machine 4 moving along the die opening and closing direction is connected in the inclined guide groove 33 in a sliding mode, and the shovel machine 4 is provided with an inclined guide surface 41 matched with the inclined guide groove 33. Buckles 42 are arranged on two opposite sides of the shovel machine 4, and a clamping groove 34 which is buckled with the buckles 42 in the guiding direction of the guide strip 21 and is in sliding fit with the buckles 42 in the guiding direction of the inclined guide groove 33 is arranged on the sliding block structure 3; the shovel machine 4 moves along the die opening and closing direction to drive the sliding block structure 3 to relatively approach or relatively separate from the insert 1 along the guiding direction of the guide strip 21.

In this embodiment, the slide base 2 is provided with a mounting groove on the slide base 2 corresponding to the bottom of the U-shaped cavity 22, a spring and a steel ball are arranged in the mounting groove, the steel ball is embedded in the mounting groove, one end of the steel ball extends out from the sliding fit surface of the slide base 2 and the slide block structure 3, and a concave surface matched with the shape of the steel ball is arranged at the bottom of the slide block structure 3. When the sliding block structure 3 slides to the position where the pressing block 31 on the sliding block structure compresses the terminal 110 in the terminal installation cavity 11, the concave surface at the bottom of the sliding block structure 3 is matched with the steel ball so as to position the sliding block structure 3, prevent the sliding block structure 3 from loosening, enable the sliding block structure 3 to press the terminal 110 better and ensure the forming quality of products.

To sum up, the embodiment of the present invention provides an insert slider structure, which adopts an open insert slider structure, and the inner wall of the insert 1 hole for inserting the terminal 110 is provided by the cooperation of the insert 1 and the slider structure 3, so as to avoid the scratch when the terminal 110 is installed in the insert 1 hole, and the slider structure 3 can adjust the gap between the terminal 110 inwards or outwards within a qualified range according to the deformation of the injection molding, so as to solve the deformation problem of the terminal 110; in addition, in the demolding process after the injection molding of the plastic part 120, the sliding block structure 3 is relatively far away from the insert 1, and then the connector 100 coated with the terminal 110 is ejected out, so that the scratch of the inner wall of the hole of the insert 1 on the surface of the terminal 110 in the demolding process can be avoided, the product yield of the connector 100 is greatly improved, the production cost of an enterprise is reduced, and the mold mechanism meets the requirement of mass production.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. An insert slider structure of a mold, comprising:

the insert comprises an insert (1), wherein one side of the insert is provided with a terminal mounting cavity (11) with a side opening (12);

a slide (2);

the sliding block structure (3) is arranged on the sliding seat (2) in a sliding mode, and is relatively close to or relatively far away from a side opening (12) of the terminal mounting cavity (11) along the guiding direction of the sliding seat (2) under the action of driving force; and a pressing block (31) which can stretch into the terminal mounting cavity (11) and is matched with the insert (1) to press the terminal (110) in the terminal mounting cavity (11) is arranged on the side wall, close to the insert (1), of the sliding block structure (3).

2. The insert slide structure of a mold according to claim 1, wherein the pressing block (31) is formed with a pressing surface adapted to the outer shape of the terminal (110) located in the terminal mounting cavity (11) toward the outer surface of the insert (1).

3. The insert slide structure of a mold according to claim 1, wherein an adjusting block is detachably connected to the pressing block (31), and the adjusting block has a molding surface adapted to the shape of the terminal (110) located in the terminal mounting cavity (11).

4. The insert slide structure of a mold according to any one of claims 1 to 3, wherein the top of the insert (1) is provided with a top opening (13) communicating with the terminal mounting cavity (11) and into which the terminal (110) is vertically inserted.

5. The insert slide structure of a mold according to claim 4, wherein clearance guide angles are provided on the insert (1) corresponding to both sides of the top opening (13).

6. The insert slider structure of a mold according to any one of claims 1 to 3, wherein the side opening (12) is a flared structure with a large diameter outside and a small diameter inside, and a slider guide angle (14) for guiding the slider structure (3) from the side opening (12) into the terminal mounting cavity (11) is provided at a portion of the insert (1) corresponding to the side opening (12).

7. The insert-slide structure of a mold according to any one of claims 1 to 3, wherein the plurality of terminal mounting cavities (11) are provided side by side on the insert (1), the plurality of pressing blocks (31) are also provided side by side on the slide structure (3), and the plurality of pressing blocks (31) and the plurality of terminal mounting cavities (11) are fitted one by one.

8. The insert-slide structure for a mold according to any one of claims 1 to 3, wherein the slide base (2) is U-shaped, the slide block structure (3) is slidably mounted on a U-shaped cavity (22) of the slide base (2), two opposite arms of the slide base (2) are respectively provided with a guide bar (21), and two opposite sides of the slide block structure (3) are provided with sliding grooves (32) which are slidably matched with the corresponding guide bars (21).

9. The insert slide structure of a mold according to claim 8, wherein an inclined guide groove (33) is formed in the slide structure (3), a preset included angle is formed between the guiding direction of the inclined guide groove (33) and the mold opening and closing direction, a shovel machine (4) moving along the mold opening and closing direction is connected to the inclined guide groove (33) in a sliding manner, and the shovel machine (4) is provided with an inclined guide surface (41) matched with the inclined guide groove (33); buckles (42) are arranged on two opposite sides of the shovel (4), and a clamping groove (34) which is buckled with the buckles (42) in the guiding direction of the guide strip (21) and is in sliding fit with the buckles (42) in the guiding direction of the inclined guide groove (33) is arranged on the sliding block structure (3); the shoveling machine (4) moves along the die opening and closing direction to drive the sliding block structure (3) to relatively approach or relatively leave away from the insert (1) along the guiding direction of the guiding strip (21).

10. The insert-slide structure of a mold according to any one of claims 1 to 3, wherein a bead screw (5) is provided on the sliding fit surface of the slide (2) and the slide structure (3).

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