CN211031021U

CN211031021U - Mould benevolence mounting structure of injection mould

Info

Publication number: CN211031021U
Application number: CN201921780630.XU
Authority: CN
Inventors: 吴继兵
Original assignee: Chongqing Jieshi Technology Co ltd
Current assignee: Chongqing Jieshi Technology Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-07-17
Anticipated expiration: 2029-10-22

Abstract

A die core mounting structure of an injection mould comprises an injection mould machine platform, a die core, a pull rod, a limiting block and a compression spring, wherein a first bar-shaped platform and a second bar-shaped platform are fixed on the upper end surface of the injection mould platform, the first bar-shaped platform and the second bar-shaped platform are arranged in parallel and have intervals, a positioning block is arranged on the upper end surface of the injection mould platform, open grooves are respectively arranged on the inner side walls of the first bar-shaped platform and the second bar-shaped platform, a stepped hole is arranged at the other end of the second bar-shaped platform, the small-diameter end of the stepped hole is positioned on the outer side wall of the second bar-shaped platform, the large-diameter end is communicated with the open grooves, the pull rod is a stepped shaft, the small-diameter section of the pull rod is in sliding fit in the small-diameter section of the stepped hole, the limiting block is in clearance fit in the open grooves of the second bar-shaped platform and is fixed with, one end of the mold core is positioned by the positioning block, and the other end is limited by the limiting block to form detachable fixed connection.

Description

Mould benevolence mounting structure of injection mould

Technical Field

The utility model relates to a mould field, in particular to mould benevolence mounting structure of injection mould.

Background

The mold core of the injection mold is a key part at the center part of the mold, the manufacturing cost is high, the structure is precise, and the labor cost of manufacturing is far higher than the value of the material.

At present, mould benevolence on the injection mould is fixed the setting usually on the board of moulding plastics, to different products, needs the different mould benevolence of design, leads to one set of new mould of need development, leads to the use cost of mould higher, is unfavorable for improving the competitiveness of enterprise.

Disclosure of Invention

The utility model aims at the not enough of prior art, provide a mould benevolence mounting structure of injection mould, its simple structure, installation are dismantled conveniently, and one set of board can be shared to polylith mould benevolence, effectively reduces use, the development cost of mould.

The technical scheme of the utility model is that: a mold core mounting structure of an injection mold comprises an injection molding machine table, a mold core and a limiting mechanism, wherein a first strip-shaped table and a second strip-shaped table are fixedly arranged on the upper end face of the injection molding machine table, the first strip-shaped table and the second strip-shaped table are arranged in parallel and have a spacing space, one end of the second strip-shaped table is aligned with one end of the first strip-shaped table, the other end of the second strip-shaped table exceeds the other end of the first strip-shaped table, a positioning block is fixedly arranged on the upper end face of the injection molding machine table and is positioned between the first strip-shaped table and the second strip-shaped table and corresponds to one end of the first strip-shaped table and one end of the second strip-shaped table, open slots penetrating along the length direction are respectively arranged on the inner side walls of the first strip-shaped table and the second strip-shaped table, a stepped hole is arranged on the other end of the second strip-shaped table, the small-diameter end of the stepped hole is positioned on, stop gear includes pull rod, stopper, compression spring, the pull rod is the shoulder shaft, and the path section sliding fit of pull rod is in the path section of shoulder hole, stopper clearance fit is in the open slot of second bar platform, and is fixed with the path end of pull rod and links to each other, the compression spring cover is established on the path section of pull rod, and the drive stopper has the trend that moves towards first bar platform, be equipped with the installation step that extends along length direction on the both sides wall of mould benevolence respectively, the installation step on the wall of mould benevolence both sides cooperates with the open slot that corresponds the bar bench, and the one end of mould benevolence is fixed a position by the locating piece, and the other end is spacing by the stopper, forms detachable fixed connection.

The injection molding machine table is of a square structure.

And the first strip-shaped table and the second strip-shaped table are respectively fixed on the upper end surface of the injection molding machine table through bolts.

One end of the first bar-shaped platform is flushed with the first edge of the injection molding machine platform, the other end of the first bar-shaped platform is flushed with the third edge of the injection molding machine platform, one end of the second bar-shaped platform is flushed with the first edge of the injection molding machine platform, and the other end of the second bar-shaped platform extends out of the third edge of the injection molding machine platform.

The positioning block is of a square structure and is fixed on the upper end face of the injection molding machine table through a bolt and is flush with the first edge of the injection molding machine table.

The depth of the open slot on the second strip-shaped platform is larger than that of the open slot on the first strip-shaped platform.

The limiting block is of a square structure, the upper end face and the lower end face of the limiting block of the square structure are in clearance fit with the groove walls corresponding to the open grooves respectively, and the limiting block is fixedly connected with the small-diameter end of the pull rod through thread fit.

The limiting blocks are chamfered towards the periphery of the side wall of the first bar-shaped table.

And a handle is fixedly arranged at the large-diameter end of the pull rod.

The height of the mounting step is smaller than the depth of the open slot.

Adopt above-mentioned technical scheme to have following beneficial effect:

1. the mold core mounting structure of the injection mold comprises an injection molding machine table, a mold core and a limiting mechanism, wherein the injection molding machine table is used for mounting the mold core, and the limiting mechanism is used for limiting the position of the mold core. The up end of the board of moulding plastics is fixed and is equipped with first bar platform, second bar platform, first bar platform, second bar platform parallel arrangement, and has the interval space, and the one end of second bar platform aligns with the one end of first bar platform, and the other end of second bar platform surpasss the other end of first bar platform, promptly, the length of second bar platform is greater than the length of first bar platform. The injection molding machine is characterized in that a positioning block is fixedly arranged on the upper end face of the injection molding machine table, is positioned between the first strip-shaped table and the second strip-shaped table and corresponds to one end of the first strip-shaped table and one end of the second strip-shaped table. And open grooves penetrating along the length direction are respectively formed in the inner side walls of the first strip-shaped table and the second strip-shaped table. The utility model discloses a bar platform, including the first bar platform, be equipped with the shoulder hole on the other end of second bar platform, the path end of this shoulder hole is located the lateral wall of second bar platform, the big footpath end of shoulder hole and the bench open slot intercommunication of second bar, stop gear includes pull rod, stopper, compression spring, the pull rod is the step shaft, and the path section sliding fit of pull rod is in the path section of shoulder hole, stopper clearance fit is in the open slot of second bar platform, and is fixed with the path end of pull rod and links to each other, the compression spring cover is established on the path section of pull rod, and the drive stopper has the trend that moves towards first bar platform, and through the big footpath end of pulling pull rod, steerable stopper is in the position of second bar platform open slot along the groove depth direction, and after the external force cancellation, the stopper resets under compression spring's drive, is located the notch position of second bar platform open slot. The two side walls of the mold core are respectively provided with mounting steps extending along the length direction, and the mounting steps on the two side walls of the mold core are matched with the corresponding open grooves on the bar-shaped platforms, namely, the mold core is in sliding fit between the first bar-shaped platform and the second bar-shaped platform. One end of the die core is positioned by the positioning block, and the other end of the die core is limited by the limiting block to form detachable fixed connection. When the compression spring resets, the compression spring drives the limiting block to move towards the first bar-shaped platform, and the shaft shoulder of the pull rod is matched with the outer side wall of the second bar-shaped platform to form axial limiting, and under the state, the limiting block is located at the position of a notch of an open slot of the second bar-shaped platform and used for limiting the sliding of the mold core along the length direction of the open slot, so that the mold core is stably assembled between the first bar-shaped platform and the second bar-shaped platform. When the major diameter section of pulling pull rod moved outwards, compression spring was compressed, and the stopper was located the tank bottom position of second bar platform open slot, removed the injecing to mould benevolence, and under this state, mould benevolence can be followed the other end of first bar platform, second bar platform and taken out to change other mould benevolence, then reset once more, form the location, satisfy the purpose of one set of board of polylith mould benevolence sharing, effectively reduce use, the development cost of mould.

2. The groove depth of the open groove on the second strip-shaped platform is larger than that of the open groove on the first strip-shaped platform, the groove depth of the open groove on the second strip-shaped platform is larger, more space in the groove depth direction is provided for the limiting block, and the limiting effect on the mold core is improved on the premise that the sliding stability of the mold core along the first strip-shaped platform and the second strip-shaped platform is guaranteed.

3. The side wall of the limiting block facing the first strip-shaped table is chamfered all around, so that the abrasion of the limiting block to the mold core in the process of resetting and limiting the mold core is reduced.

4. The height of the mounting step is smaller than the depth of the open slot, so that a space is formed between the top surface of the mounting step and the bottom of the open slot, and a space for relieving the limiting die core is reserved by the limiting block.

The following further description is made with reference to the accompanying drawings and detailed description.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged view of FIG. 3 at M;

fig. 5 is a sectional view B-B of fig. 2.

In the attached drawing, 1 is the board of moulding plastics, 2 is mould benevolence, 3 is stop gear, 4 is first bar platform, 5 is second bar platform, 6 is the locating piece, 7 is the open slot, 8 is the shoulder hole, 9 is the pull rod, 10 is the stopper, 11 is compression spring, 12 is the installation step.

Detailed Description

In the present invention, the components of the specific structure and the connection mode are not designated, and the components are generally conventional components or connection modes.

Referring to fig. 1 to 5, an embodiment of a core mounting structure of an injection mold is shown. The mould benevolence mounting structure of injection mould includes injection moulding board 1, mould benevolence 2, stop gear 3. The upper end surface of the injection molding machine table 1 is fixedly provided with a first strip table 4 and a second strip table 5, the first strip table 4 and the second strip table 5 are arranged in parallel, and has a space, one end of the second bar-shaped table 5 is aligned with one end of the first bar-shaped table 4, and the other end of the second bar-shaped table 5 is beyond the other end of the first bar-shaped table 4, in this embodiment, the injection molding machine table 1 is of a square structure, a first strip table 4 and a second strip table 5 are respectively fixed on the upper end surface of the injection molding machine table 1 through bolts, one end of the first strip table 4 is flush with the first edge of the injection molding machine table 1, the other end of the first strip table is flush with the third edge of the injection molding machine table 1, the outer side wall of the first strip table is flush with the fourth edge of the injection molding machine table, one end of the second bar-shaped platform 5 is flush with the first edge of the injection molding machine platform 1, the other end of the second bar-shaped platform extends out of the third edge of the injection molding machine platform 1, and the outer side wall of the second bar-shaped platform is flush with the second edge of the injection molding machine platform (calculated along the clockwise direction). The fixed locating piece 6 that is equipped with on the up end of board 1 of moulding plastics is located between first bar platform 4, the second bar platform 5, and corresponds with the one end of first bar platform 4, second bar platform 5, and is concrete, and locating piece 6 is square structure, is located the middle part in first bar platform, the second bar platform interval space, and locating piece 6 is through two bolt fastening at the up end of board 1 of moulding plastics, and flushes with the first side of board 1 of moulding plastics. The inner side walls of the first strip-shaped table 4 and the second strip-shaped table 5 are respectively provided with an open slot 7 which penetrates along the length direction, the two open slots are positioned at the same height, and the depth of the open slot positioned on the second strip-shaped table 5 is greater than that of the open slot positioned on the first strip-shaped table 4. Be equipped with shoulder hole 8 on the other end of second bar platform 5, the path end of this shoulder hole 8 is located the lateral wall of second bar platform 5, and the big footpath end of shoulder hole 8 communicates with the open slot on the second bar platform 5, and is concrete, and this shoulder hole place straight line is the vertical distribution with the straight line that is located the open slot on the second bar platform. Stop gear 3 includes pull rod 9, stopper 10, compression spring 11, pull rod 9 is the step shaft, and the path section sliding fit of pull rod 9 is in the path section of shoulder hole 8, and the big footpath end of pull rod is located the outside of second bar platform, and fixed being equipped with the handle, stopper 10 clearance fit is in the open slot of second bar platform 5, and is fixed continuous with the path end of pull rod 9, and in this embodiment, stopper 10 is square structure, is the up end of the stopper 10 of square structure, the cell wall clearance fit that the lower terminal surface corresponds with the open slot respectively, and stopper 10 is towards the equal chamfer all around of the lateral wall of first bar platform 5, and the lateral wall of stopper orientation second bar platform one end flushes with the third side of the board of moulding plastics, stopper 10 is fixed continuous through the path end of screw-thread fit and pull rod 9. The compression spring 11 is sleeved on the small-diameter section of the pull rod 9 and located in the large-diameter section of the stepped hole, one end of the compression spring is limited by a hole shoulder of the stepped hole, the other end of the compression spring is tightly abutted to the limiting block, and the limiting block 10 is driven to have a trend of moving towards the first bar-shaped table 4. Two side walls of the die core 2 are respectively provided with an installation step 12 extending along the length direction, and the height of the installation step is smaller than the depth of the open slot 7. The mounting steps 12 on the two side walls of the mold core 2 are matched with the corresponding open grooves 7 on the bar-shaped platform, the left side wall of the mold core is in sliding fit with the inner wall side of the first bar-shaped platform, and the right side wall of the mold core is in sliding fit with the inner wall side of the second bar-shaped platform. One end of the mold core 2 is positioned by the positioning block 6, and the other end of the mold core is flush with the third edge of the injection molding machine table and limited by the limiting block 10 to form detachable fixed connection.

The utility model discloses an operating principle does, when compression spring resets, and compression spring drive stopper removes towards first bar platform, and forms the axial spacing by the shaft shoulder of pull rod and the lateral wall cooperation of second bar platform, and under this state, the stopper is located the notch position of second bar platform open slot, and with the locating piece cooperation, inject mould benevolence and slide along the length direction of open slot, make the stable assembly of mould benevolence between first bar platform, second bar platform. When the major diameter section of pulling pull rod moved outwards, compression spring was compressed, and the stopper is located the tank bottom position of second bar platform open slot, removed the injecing to mould benevolence, and under this state, mould benevolence can be followed the other end of first bar platform, second bar platform and taken out to change other mould benevolence, then reset once more, form the location, satisfy the purpose of one set of board of polylith mould benevolence sharing, effectively reduce the use of mould, development cost.

Claims

1. The utility model provides a mould benevolence mounting structure of injection mould which characterized in that: comprises an injection molding machine table (1), a mold core (2) and a limiting mechanism (3),

a first strip-shaped table (4) and a second strip-shaped table (5) are fixedly arranged on the upper end surface of the injection molding machine table (1), the first strip-shaped table (4) and the second strip-shaped table (5) are arranged in parallel and have a spacing space, one end of the second strip-shaped table (5) is aligned with one end of the first strip-shaped table (4), the other end of the second strip-shaped table (5) exceeds the other end of the first strip-shaped table (4),

a positioning block (6) is fixedly arranged on the upper end surface of the injection molding machine table (1), is positioned between the first strip table (4) and the second strip table (5) and corresponds to one end of the first strip table (4) and one end of the second strip table (5),

open slots (7) which penetrate through along the length direction are respectively arranged on the inner side walls of the first bar-shaped platform (4) and the second bar-shaped platform (5), a stepped hole (8) is arranged at the other end of the second bar-shaped platform (5), the small-diameter end of the stepped hole (8) is positioned on the outer side wall of the second bar-shaped platform (5), the large-diameter end of the stepped hole (8) is communicated with the open slots on the second bar-shaped platform (5),

the limiting mechanism (3) comprises a pull rod (9), a limiting block (10) and a compression spring (11), the pull rod (9) is a stepped shaft, the small-diameter section of the pull rod (9) is in sliding fit with the small-diameter section of the stepped hole (8), the limiting block (10) is in clearance fit with the open slot of the second bar-shaped table (5) and is fixedly connected with the small-diameter end of the pull rod (9), the compression spring (11) is sleeved on the small-diameter section of the pull rod (9), and the driving limiting block (10) has the tendency of moving towards the first bar-shaped table (4),

the two side walls of the mold core (2) are respectively provided with mounting steps (12) extending along the length direction, the mounting steps (12) on the two side walls of the mold core (2) are matched with the corresponding open grooves (7) on the bar-shaped platform, one end of the mold core (2) is positioned by the positioning block (6), and the other end of the mold core is limited by the limiting block (10) to form detachable fixed connection.

2. The core insert mounting structure of an injection mold according to claim 1, wherein: the injection molding machine table (1) is of a square structure.

3. The core insert mounting structure of an injection mold according to claim 1 or 2, characterized in that: the first strip-shaped table (4) and the second strip-shaped table (5) are fixed on the upper end face of the injection molding machine table (1) through bolts respectively.

4. The core insert mounting structure of an injection mold according to claim 2, wherein: one end of the first bar-shaped platform (4) is flushed with the first edge of the injection molding machine table (1), the other end of the first bar-shaped platform is flushed with the third edge of the injection molding machine table (1), one end of the second bar-shaped platform (5) is flushed with the first edge of the injection molding machine table (1), and the other end of the second bar-shaped platform extends out of the third edge of the injection molding machine table (1).

5. The core insert mounting structure of an injection mold according to claim 2, wherein: the positioning block (6) is of a square structure, and the positioning block (6) is fixed on the upper end face of the injection molding machine table (1) through a bolt and is flush with the first edge of the injection molding machine table (1).

6. The core insert mounting structure of an injection mold according to claim 1, wherein: the depth of the open slot on the second bar-shaped platform (5) is larger than that of the open slot on the first bar-shaped platform (4).

7. The core insert mounting structure of an injection mold according to claim 1, wherein: the limiting block (10) is of a square structure, the upper end face and the lower end face of the limiting block (10) of the square structure are in clearance fit with the groove walls corresponding to the open grooves respectively, and the limiting block (10) is fixedly connected with the small-diameter end of the pull rod (9) through thread fit.

8. The core insert mounting structure of an injection mold according to claim 7, wherein: the side wall of the limiting block (10) facing the first strip-shaped table (4) is chamfered all around.

9. The core insert mounting structure of an injection mold according to claim 1, wherein: a handle is fixedly arranged on the large-diameter end of the pull rod (9).

10. The core insert mounting structure of an injection mold according to claim 1, wherein: the height of the mounting step (12) is smaller than the depth of the open groove (7).