CN215903900U

CN215903900U - Box injection mold of installation upset lid

Info

Publication number: CN215903900U
Application number: CN202122444758.2U
Authority: CN
Inventors: 江泽武
Original assignee: Jiangmen Honghui Mould Co ltd
Current assignee: Jiangmen Honghui Mould Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-25
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a box body injection mold for installing a turnover cover, which comprises a water gap plate, an upper mold plate, a lower mold core, a lower mold plate, a cushion block and an ejector plate, wherein the upper mold plate is fixed at the bottom of the water gap plate and is arranged above the lower mold plate, the top of the lower mold plate is concavely provided with a first caulking groove, the bottom of the first caulking groove is concavely provided with a second caulking groove, a lower mold core is tightly arranged in the second caulking groove, a plurality of side modules are embedded in the lower mold core and the first caulking groove, the bottom of the upper mold plate is concavely provided with a forming groove, one side of the upper mold plate, which is provided with a plurality of rib grooves communicated with the forming groove, two sides of the upper mold plate are connected with translation devices, and the ejector pin plate is arranged between the two cushion blocks in a lifting way and is connected with an ejector pin, and the ejector pin penetrates through the lower template and can penetrate through the lower template to be arranged in the lower die center in a penetrating way in an up-and-down moving way. The die is simple in structure, few in die assembly and demolding steps and capable of effectively improving production efficiency.

Description

Box injection mold of installation upset lid

Technical Field

The utility model relates to the technical field of injection molds, in particular to a box body injection mold provided with a turnover cover.

Background

Injection molding is a production mode widely adopted at present, when a box body capable of being provided with a turnover cover is produced, injection molding and stripping of a box body injection molding part with a turnover cover jack on one side are generally realized by matching with a mold which is multi-directionally surrounded from top to bottom and from left to right, however, the multi-directionally surrounded mold is complex in structure, long in mold closing and demolding time and low in production efficiency.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the box body injection mold provided with the turnover cover, which is simple in structure, less in mold closing and demolding steps and capable of effectively improving the production efficiency.

The present invention thus achieves the above objects:

a box body injection mold for installing a turnover cover comprises a water port plate, an upper mold plate, a lower mold core, a lower mold plate, a cushion block and an ejector plate, wherein the upper mold plate is fixed at the bottom of the water port plate and can be arranged above the lower mold plate in an up-and-down lifting manner, a first caulking groove is concavely arranged at the top of the lower mold plate, a second caulking groove is concavely arranged at the bottom center of the first caulking groove, the lower mold core is tightly embedded in the second caulking groove, the top of the lower mold core is exposed outside the first caulking groove, a plurality of edge modules are embedded between the outer side wall of the lower mold core and the inner wall of the first caulking groove, the head parts of the edge modules are connected in an encircling manner to form a ring, parameter grains are arranged at the top of the edge mold, a plurality of rib grooves which are communicated with forming grooves and form the outer ribs of the box body are concavely arranged at one side of the forming grooves of the upper mold plate, the both sides of cope match-plate pattern are connected with the relative translation device of output, and offer the jack that passes a plurality of muscle grooves in the position that corresponds this output, and the output of two translation devices all is connected with scalable activity in the movable rod of jack, the cushion is equipped with two and the both sides that the symmetry is fixed in the lower bolster bottom, the thimble board goes up and down to locate between two cushions, and a plurality of thimbles that are used for the box drawing of patterns of its upper fixed connection, the thimble passes the lower bolster and can move about from top to bottom runs through the setting in the center of the lower mould.

The lower mold core is characterized in that sliding holes are symmetrically arranged on two sides of the lower mold core in a vertical penetrating mode, an opening is formed between the outer side of the upper end of each sliding hole and the outer side wall of the lower mold core, an inclined ejector rod is tightly and slidably arranged in each sliding hole, a limiting block matched with the clamping opening is convexly arranged on the outer side of the top end of each inclined ejector rod, and the bottom end of each inclined ejector rod penetrates through the lower mold plate and is in sliding abutting connection with the ejector plate.

The ejector plate is fixedly provided with direction limiting sliding blocks, the number of the direction limiting sliding blocks is equal to that of the inclined ejector rods, T-shaped sliding rails are arranged at the tops of the direction limiting sliding blocks, the direction of each T-shaped sliding rail is consistent with the inclination direction of each inclined ejector rod, and T-shaped sliding grooves matched with the T-shaped sliding rails in a sliding mode are concavely arranged at the bottoms of the inclined ejector rods.

The ejector pin plate is fixed with a clamping plate, the bottom end of the ejector pin is provided with an end with an outer diameter larger than that of the ejector pin, the clamping plate is matched with the ejector pin plate to clamp the end of the ejector pin, and the periphery of the clamping plate is provided with notches which avoid the direction limiting sliding blocks.

The translation device is a translation cylinder, the translation cylinder is connected with the upper template through two connecting seats, the movable end of the translation cylinder is arranged between the two connecting seats and provided with a buckling groove, and the outer end of the movable rod is provided with a buckle head matched with the buckling groove.

And the side parts of the upper template and the two cushion blocks are fixedly connected with separating rods for separating the upper template and the lower template.

The bottom of the two cushion blocks is fixedly connected with a fixed bottom plate, and the top of the fixed bottom plate is abutted to the bottom of the ejector plate.

The utility model has the beneficial effects that:

according to the box body injection mold provided with the turnover cover, provided by the utility model, during injection molding, hot glue is injected into the forming groove formed by the upper template, the lower mold core, the side modules and the first caulking groove from the mold, so that the box body is formed, when parameters of the top of the opening of the box body need to be changed, only the plurality of side modules which are enclosed into a ring shape need to be changed, the whole pair of molds are prevented from being changed, the cost is saved, the replacement efficiency is higher, the movable rod is driven by the translation device to be inserted into the jack during injection molding, the jack for rotating the turnover cover on the outer rib of the box body is formed, the movable rod is driven by the translation device to be pulled out of the jack after the box body is formed, the box body is convenient to demold, the overall structure is simple and reasonable, the production cost of an enterprise is reduced, the mold closing and demolding steps are few, and the production efficiency can be effectively improved.

Drawings

The utility model is further described below with reference to the accompanying drawings:

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

FIG. 2 is a cross-sectional view of a portion of the structure of the present invention;

fig. 3 is an exploded view of the present invention.

In the figure, 1, a nozzle plate, 2, an upper template, 3, a lower mold core, 4, a lower template, 5, a side module, 6, a cushion block, 7, an ejector plate, 8, an ejector pin, 9, an oblique ejector rod, 10, a first caulking groove, 11, a second caulking groove, 12, a parameter line, 13, a rib groove, 14, a jack, 15, a movable rod, 16, a sliding hole, 17, an opening, 18, a limiting block, 19, a direction limiting guide block, 20, a T-shaped sliding rail, 21, a T-shaped sliding groove, 22, a clamping plate, 23, an end head, 24, a notch, 25, a translation cylinder, 26, a connecting seat, 27, a buckling groove, 28, a buckling head, 29, a separating rod, 30 and a fixed bottom plate.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 3, an injection mold for a box body provided with a turnover cover comprises a water port plate 1, an upper mold plate 2, a lower mold core 3, a lower mold plate 4, a cushion block 6 and an ejector plate 7, wherein the upper mold plate 2 is fixed at the bottom of the water port plate 1 and is arranged above the lower mold plate 4 in a way of being capable of lifting up and down, a first caulking groove 10 is concavely arranged at the top of the lower mold plate 4, a second caulking groove 11 is concavely arranged at the bottom center of the first caulking groove 10, the lower mold core 3 is tightly embedded in the second caulking groove 11, the top of the lower mold core is exposed out of the first caulking groove 10, a plurality of edge modules 5 are embedded between the outer side wall of the lower mold core 3 and the inner wall of the first caulking groove 10, a plurality of edge modules 5 are connected in an initial position and form a ring shape, the top of the edge mold is provided with a parameter 12, a forming groove matched with the lower mold core, the plurality of edge modules 5 and the inner side wall of the first caulking groove 10 to form a box body injection molding cavity is arranged at the bottom of the upper mold plate 2, the concave muscle groove 13 that is equipped with a plurality of intercommunication shaping grooves and forms the outer muscle of box in one side of shaping groove of cope match-plate pattern 2, the both sides of cope match-plate pattern 2 are connected with the relative translation device of output, and set up the jack 14 that passes a plurality of muscle grooves 13 in the position that corresponds this output, and the output of two translation devices all is connected with scalable activity movable rod 15 in jack 14, cushion 6 is equipped with two and the symmetry is fixed in the both sides of 4 bottoms of lower bolster, thimble board 7 goes up and down to locate between two cushions 6, and a plurality of thimbles 8 that are used for the box drawing of patterns of its upper and lower fixed connection, thimble 8 passes lower bolster 4 and can be in the centre of a mould with the through setting of activity from top to bottom. According to the injection mold for the box body provided with the turnover cover, provided by the utility model, during injection molding, hot glue is injected into the forming groove formed by the upper template 2, the lower mold core 3, the side modules 5 and the first caulking groove 10 from the mold, so that the box body is formed, when parameters of the top of the box body opening 17 need to be changed, only a plurality of side modules 5 which are enclosed into a ring shape need to be changed, the whole set of mold is prevented from being changed, the cost is saved, the replacement efficiency is higher, the movable rod 15 is driven by the translation device to be inserted into the jack 14 during injection molding, the jack 14 which is used for rotating the turnover cover on the outer rib and muscle of the box body is formed, the movable rod 15 is driven by the translation device to be pulled out of the jack 14 after the box body is formed, the box body is convenient to demold, the whole structure is simple and reasonable, the production cost of an enterprise is reduced, the mold assembly and demolding steps are few, and the production efficiency can be effectively improved.

Because the box body is generally large in volume and the top area of the thimble 8 is small, stress points are easily excessively concentrated to damage or deform the box body when the box body is demoulded, in order to avoid the problems, the abutting area when the box body is formed by jacking is increased, the production yield is improved, sliding holes 16 are symmetrically arranged on the upper side and the lower side of the two sides of the lower mold core 3 in a penetrating way, an opening 17 is arranged between the outer side of the upper end of the sliding hole 16 and the outer side wall of the lower mold core 3, an inclined ejector rod 9 is tightly and slidably arranged in the sliding hole 16, a limiting block 18 matched with the clamped opening 17 is convexly arranged on the outer side of the top end of the inclined ejector rod 9, the bottom end of the inclined ejector rod 9 penetrates through the lower mold plate 4 and is in sliding abutting connection with the thimble plate 7, the outer side of the limiting block 18 is flush with the outer side wall of the lower mold core 3, the top of the limiting block 18 is flush with the top of the lower mold core 3 when the bottom of the opening 17 is clamped, and the inner side wall of the box body is ensured to be flat when injection molding, when the ejector plate 7 rises, the inclined ejector rod 9 is driven to rise obliquely, and the box body is separated from the lower mold core 3 and falls off by matching with the rising ejector pin 8.

In order to limit the sliding direction of the bottom end of the inclined ejector rod 9, ensure the smoothness and stability of the operation of the inclined ejector rod 9 and avoid the die assembly failure caused by the displacement of the bottom of the inclined ejector rod 9 during sliding and abutting, direction limiting sliding blocks with the same number as the inclined ejector rods 9 are fixed on the ejector plate 7, a T-shaped sliding rail 20 is arranged at the top of each direction limiting sliding block, the direction of each T-shaped sliding rail 20 is consistent with the inclination direction of the inclined ejector rod 9, and a T-shaped sliding groove 21 in sliding fit with the T-shaped sliding rail 20 is concavely arranged at the bottom of the inclined ejector rod 9.

In order to facilitate quick return of the ejector pins 8 when the ejector pin plate 7 descends, a clamping plate 22 is fixed on the ejector pin plate 7, end heads 23 with outer diameters larger than the outer diameters of the ejector pins 8 are arranged at the bottom ends of the ejector pins 8, the clamping plate 22 is matched with the ejector pin plate 7 to clamp the end heads 23 of the ejector pins 8, and notches 24 for avoiding the direction limiting sliding blocks are further arranged around the clamping plate 22.

In order to improve the drive speed of translation device drive end for production efficiency, the translation device is translation cylinder 26, translation cylinder 26 is connected with cope match-plate pattern 2 through two connecting seats, translation cylinder 26's expansion end is located between two connecting seats and is equipped with catching groove 27, the outer end of movable rod 15 is equipped with the discount 28 of cooperation lock joint catching groove 27, and the discount 28 and the catching groove 27 of while disconnect-type can reduce the time of maintenance cost at translation cylinder 26 quick replacement translation cylinder 26 when breaking down.

In order to facilitate the mold closing and demolding of the upper mold plate 2 and the lower mold plate 4 of the injection molding machine, separating rods 29 for separating the upper mold plate 2 and the lower mold plate 4 are fixedly connected to the side portions of the upper mold plate 2 and the two cushion blocks 6.

In order to avoid the ejector plate 7 from driving the ejector 8 to excessively slide downwards to cause a fault during die assembly, the bottom parts of the two cushion blocks 6 are fixedly connected with a fixed bottom plate 30, and the top part of the fixed bottom plate 30 is abutted to the bottom part of the ejector plate 7.

Claims

1. The utility model provides a box injection mold of installation flip lid which characterized in that: including water gap board (1), cope match-plate pattern (2), lower mould core (3), lower bolster (4), cushion (6) and thimble board (7), cope match-plate pattern (2) are fixed in locating of water gap board (1) bottom and oscilaltion lower bolster (4) the top, the concave first caulking groove (10) that is equipped with in top of lower bolster (4), the concave second caulking groove (11) that is equipped with in bottom center of first caulking groove (10), lower mould core (3) closely inlays and is adorned in second caulking groove (11) and the top exposes outside with first caulking groove (10), it is equipped with a plurality of limit modules (5) to inlay between the inner wall of the lateral wall of lower mould core (3) and first caulking groove (10), and a plurality of limit modules (5) are first to link to each other and enclose into the ring-type, the top of limit mould is equipped with parameter (12), the concave cooperation that is equipped with down in bottom of cope match-plate pattern (2), The inner side walls of the side modules (5) and the first caulking grooves (10) form a molding groove of the box body injection molding cavity, a plurality of rib grooves (13) which are communicated with the forming grooves and form outer ribs of the box body are concavely arranged on one side of the forming grooves of the upper template (2), two sides of the upper template (2) are connected with translation devices with opposite output ends, and the position corresponding to the output end is provided with a jack (14) which passes through a plurality of rib grooves (13), the output ends of the two translation devices are both connected with a movable rod (15) which can stretch and move in the jack (14), the two cushion blocks (6) are symmetrically fixed at the two sides of the bottom of the lower template (4), the ejector plate (7) is arranged between the two cushion blocks (6) in a lifting way, and a plurality of thimbles (8) used for demoulding the box body are fixedly connected on the upper die, and the thimbles (8) penetrate through the lower die plate (4) and can be movably arranged in the lower die core up and down in a penetrating way.

2. The injection mold for the box body with the turnover cover as claimed in claim 1, wherein: the upper and lower of bilateral symmetry of lower mold core (3) runs through there is slide opening (16), be equipped with opening (17) between the upper end outside of slide opening (16) and the lateral wall of lower mold core (3), closely the cunning is equipped with oblique ejector pin (9) in slide opening (16), the protruding stopper (18) that clamps opening (17) that is equipped with of the cooperation in the outside on oblique ejector pin (9) top, the bottom of oblique ejector pin (9) passes lower bolster (4) and slides butt thimble board (7).

3. The injection mold for the box body with the turnover cover as claimed in claim 2, wherein: the direction limiting sliding block is fixed on the ejector pin (8) plate (7) and is equal to the number of the inclined ejector rods (9), a T-shaped sliding rail (20) is arranged at the top of the direction limiting sliding block, the direction of the T-shaped sliding rail (20) is consistent with the inclined direction of the inclined ejector rods (9), and a T-shaped sliding groove (21) in sliding fit with the T-shaped sliding rail (20) is concavely arranged at the bottom of the inclined ejector rod (9).

4. The injection mold for the box body with the turnover cover as claimed in claim 3, wherein: be fixed with grip block (22) on thimble board (7), the bottom of thimble (8) is equipped with end (23) that the external diameter is greater than thimble (8) external diameter, grip block (22) cooperation thimble board (7) centre gripping thimble (8) end (23), still be equipped with all around of grip block (22) and dodge breach (24) of limiting to the slider.

5. The injection mold for the box body with the turnover cover as claimed in claim 1, wherein: the translation device is translation cylinder (26), translation cylinder (26) are connected with cope match-plate pattern (2) through two connecting seats, the expansion end of translation cylinder (26) is located between two connecting seats and is equipped with catching groove (27), the outer end of movable rod (15) is equipped with buckle (28) of cooperation lock joint catching groove (27).

6. The injection mold for the box body with the turnover cover as claimed in claim 1, wherein: and the side parts of the upper template (2) and the two cushion blocks (6) are fixedly connected with separating rods (29) for separating the upper template (2) and the lower template (4).

7. The injection mold for the box body with the turnover cover as claimed in claim 1, wherein: the bottom of the two cushion blocks (6) is fixedly connected with a fixed bottom plate (30), and the top of the fixed bottom plate (30) is abutted to the bottom of the ejector plate (7).