CN214214439U

CN214214439U - Inclined core pulling structure for mold and mold

Info

Publication number: CN214214439U
Application number: CN202022929954.4U
Authority: CN
Inventors: 曹明
Original assignee: Suzhou Cm Technology Co ltd
Current assignee: Suzhou Cm Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-09-17
Anticipated expiration: 2030-12-09

Abstract

The utility model provides an oblique core pulling structure and mould for mould. The inclined core pulling structure comprises a sliding block seat; the sliding block is fixed to the bottom of the sliding block seat and obliquely extends out from the bottom of the sliding block seat along the direction far away from the sliding block seat, and a buckling groove is formed in the end part, far away from the sliding block seat, of the sliding block and used for limiting the buckling position of a product; the spring is fixed to the bottom of the sliding block seat and abuts against a die core of the die in a die closing state, the sliding block seat and the sliding block can be driven to do inclined core pulling motion along the buckling position direction through the stretching motion of the spring in the die opening action of the die, and therefore the sliding block is far away from the buckling position to achieve buckling position demolding of a product. Adopt the utility model discloses an in-process can effectively be solved to the scheme, because of the product has the knot position of back-off in the die sinking direction, leads to the problem of die sinking difficulty, and specially adapted detains the product that the position goes out in the master model side, and simple structure, space occupy moreover for a short time, with low costs, the feasibility is high, long service life, maintain the facility.

Description

Inclined core pulling structure for mold and mold

Technical Field

The utility model relates to the technical field of mold, especially, relate to an oblique core pulling structure and mould for mould.

Background

In the mold forming process, the back-off and demolding of the product are always an important problem to be solved by the mold design, and especially in recent years, in order to meet the changing customer requirements, the product structure tends to be complicated, and the more complicated the product structure is, the more parts of the product which need to be back-off and demolding are, which easily causes demolding difficulty.

At present, to the back-off demolding of product, generally adopt slider demolding structure, but present slider demolding structure generally is more complicated, and the space occupies great during the use, and manufacturing cost is high, and life is low, and the follow-up maintenance of being not convenient for. In view of the above, it is desirable to provide an inclined core pulling structure for a mold and a mold, which have the advantages of simple structure, small occupied space, low cost, high feasibility, long service life, and convenience for subsequent maintenance.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention has been made to provide an inclined core pulling structure for a mold and a mold that overcome or at least partially solve the above problems.

The utility model discloses an object of the first aspect provides a structure of loosing core to one side of simple structure, space occupy for a short time, with low costs, feasibility height, long service life, and the mould of being convenient for follow-up maintenance.

The utility model discloses a further purpose of first aspect is to guarantee the smooth drawing of patterns in knot position of product.

The utility model discloses another of the first aspect is aimed at setting up the stopper at the ascending terminal point of the motion of loosing core to one side to can restrict the moving range of take-up housing and slider.

An object of the second aspect of the present invention is to provide a mold.

According to the utility model discloses a first aspect provides an oblique structure of loosing core for mould, and it includes:

a slider seat;

the sliding block is fixed to the bottom of the sliding block seat and obliquely extends out from the bottom of the sliding block seat along the direction far away from the sliding block seat, and a buckling groove is formed in the end part, far away from the sliding block seat, of the sliding block and used for limiting the buckling position of a product;

the spring is fixed to the bottom of the sliding block seat and abutted against a die core of the die, and the spring is configured to drive the sliding block seat and the sliding block to do inclined core pulling motion along the buckling position direction through the stretching motion of the spring in the die opening action of the die, so that the sliding block is far away from the buckling position to realize buckling position demolding of a product.

Optionally, the inclined core pulling structure for the mold further includes:

the shovel base, with slider seat relative setting from top to bottom, the configuration is exerted pressure to the slider seat in the compound die action of mould and is in order to drive slider seat and slider along the direction motion that the slider slope extends.

Optionally, the inclined core pulling structure for the mold further includes:

and the limiting block is arranged on the moving path of the sliding block seat and the sliding block, is positioned on one side of the sliding block seat far away from the sliding block, and abuts against the top surface of the sliding block seat to limit the moving range of the sliding block seat and the sliding block when the moving path goes upwards.

Optionally, the limiting block is provided with a first through hole matched with the shovel base, and the first through hole allows the shovel base to pass through.

Alternatively, the bottom of the shovel base has a first plane extending in the horizontal direction, the top of the slider holder has a second plane extending in the horizontal direction, and the first plane abuts against the second plane to apply pressure to the slider holder in the mold clamping action of the mold.

Optionally, the bottom of the shovel base is provided with a flange, the flange extends obliquely from the edge of the first plane in the direction close to the slider seat and towards the central axis direction of the shovel base, the flange is provided with an inner side inclined plane connected with the first plane, and the first plane and the inner side inclined plane of the flange form a V-shaped notch;

the top of slider seat is provided with the V type convex part with V type notch complex, and the top surface of V type convex part forms the second plane.

Optionally, two springs are respectively arranged on two sides of the slider, and at least one part of each spring is embedded in the bottom of the slider seat.

Optionally, a boss structure is arranged at the top of the sliding block;

the bottom of slider seat is provided with the constant head tank with the boss structure adaptation, and the constant head tank configuration is to dock with the boss structure to inject the mounted position of slider on the slider seat.

According to the utility model discloses a second aspect provides a mould, and it includes as above-mentioned arbitrary oblique structure of loosing core for the mould.

Optionally, the aforementioned mold further comprises:

the mould core is provided with an oblique guide groove matched with the oblique core pulling structure for the mould, and the oblique guide groove allows the sliding block seat of the oblique core pulling structure for the mould and the sliding block to reciprocate in the oblique guide groove.

The utility model discloses in the die sinking action of mould, the extension through the spring moves and drives take-up housing and slider and be the motion of loosing core to one side along the knot position direction of product to make the slider keep away from and detain the position in order to realize the smooth demolding in knot position of product. The utility model provides an oblique core pulling structure for mould, slider can be according to the knot position direction of product and do the motion of loosing core to one side to make the knot position drawing of patterns of product, specially adapted detains the position and goes out the product in the master model side, the slider demolding structure that has relatively, have simple structure, space occupy little, with low costs, feasibility height, long service life, and the follow-up advantage of maintaining of being convenient for.

Further, the utility model discloses but the stopper is at the top surface of the ascending terminal point butt in the take-up housing of the moving path of the motion of loosing core to one side to can restrict the displacement range of take-up housing and slider.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural view of an inclined core pulling structure for a mold in a mold closing state according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an inclined core pulling structure for a mold in a mold opening state according to an embodiment of the present invention;

FIG. 3 is a schematic block diagram of a shovel base according to one embodiment of the present invention;

FIG. 4 is a schematic block diagram of a slider holder according to one embodiment of the present invention;

fig. 5 is a schematic structural diagram of a stopper according to an embodiment of the present invention;

fig. 6 is an exploded view of a schematic partial structure of an inclined core pulling structure for a mold according to an embodiment of the present invention;

fig. 7 is an exploded view of a schematic structure of a mold according to an embodiment of the present invention

Fig. 8 is a schematic structural view of a core of the mold shown in fig. 7.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

Fig. 1 is a schematic structural diagram of an oblique core-pulling structure 10 for a mold in a mold closing state according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of an oblique core-pulling structure 10 for a mold in a mold opening state according to an embodiment of the present invention. Referring to fig. 1 and 2, the inclined core pulling structure 10 of the present embodiment may include a slider holder 110, a slider 120, and a spring 130.

The slider 120 may be fixed to the bottom of the slider holder 110 and may extend obliquely from the bottom of the slider holder 110 in a direction away from the slider holder 110. The end of the slider 120 remote from the slider holder 110 has a catching slot 121, and the catching slot 121 can be used to define a catching position 210 of the product 200. In some embodiments, the slider 120 may be secured to the bottom of the slider holder 110 by screws or pins.

The spring 130 may be fixed to the bottom of the slide holder 110 and abut against the core 50 of the mold in the clamped state. The spring 130 may be configured to drive the slider seat 110 and the slider 120 to perform an oblique core-pulling motion along the buckling position 210 direction of the product 200 through an extending motion of the spring 130 in a mold opening motion of the mold, so that the slider 120 is far away from the buckling position 210 of the product 200, thereby implementing mold opening of the buckling position 210 of the product 200.

It should be noted that, in the mold clamping state, the spring 130 is in a compressed state, and the extending movement of the spring 130 describes the movement process of the spring 130 returning from the compressed state to the free state. In the mold opening operation of the mold, the spring 130 may be used as an auxiliary power source, and the elastic force generated when the spring 130 is extended may drive the slider seat 110 and the slider 120 to perform an inclined core pulling motion along the direction of the fastening position 210 of the product 200. The springs 130 may be provided in one or more, and preferably, may be provided in two. When the inclined core pulling structure 10 for a mold includes two springs 130, the two springs 130 may be respectively disposed at both sides of the slider 120. At least a portion of each spring 130 may be embedded in the bottom of the slider seat 110. Alternatively, the performance parameters of both springs 130 are set to be identical. Through setting up the spring 130 that performance parameter is the same completely, can ensure that slider seat 110 atress is even, and then slider 120 produces the card pause or the dead phenomenon of card when reducing knot position 210 demolding, has greatly improved demolding efficiency.

The inclined core pulling structure 10 of the embodiment can effectively solve the problem of difficulty in mold opening due to the fact that the product 200 has the inverted buckle position 210 in the mold opening direction in the mold opening process, is particularly suitable for products with the buckle position 210 on the female mold side, and has the advantages of being simple in structure, small in occupied space, low in cost, high in feasibility, long in service life and convenient to maintain subsequently compared with the existing slide block mold releasing structure.

In some embodiments, the angle core pulling structure 10 may further include a shovel base 140. The shovel base 140 may be disposed opposite to the slider holder 110 up and down, and may be configured to apply pressure to the slider holder 110 in a mold closing action of the mold to drive the slider holder 110 and the slider 120 to move along an extending direction of the slider 120, thereby achieving resetting of the slider holder 110 and the slider 120. Since the slider 120 is fixed at the bottom of the slider seat 110, the slider 120 can be accurately and timely reset by applying pressure to the slider seat 110 through the shovel base 140.

Fig. 3 is a schematic structural view of a shovel base 140 according to an embodiment of the present invention, and fig. 4 is a schematic structural view of a slider holder 110 according to an embodiment of the present invention. Referring to fig. 3 and 4, in some embodiments, the bottom of the shovel base 140 has a first plane 141 extending in the horizontal direction, the top of the slider seat 110 has a second plane 111 extending in the horizontal direction, and during the mold closing action of the mold, the first plane 141 may abut against the second plane 111 to apply pressure to the slider seat 110, thereby moving the slider seat 110 and the slider 120 in the extending direction of the slider 120, so as to achieve the resetting of the slider 120. In this embodiment, during the mold clamping operation of the mold, the slide 120 can be reset by the first plane 141 of the shovel base 140 pressing against the second plane 111 of the slide holder 110, and the entire resetting process is smooth without stagnation.

In order to enhance the engagement of the blade base 140 with the slider holder 110 during mold closing or mold opening, a flange 142 may be provided at the bottom of the blade base 140 in some embodiments. Specifically, the flange 142 may extend obliquely from an edge of the first plane 141 in a direction close to the slider holder 110 and toward the central axis direction of the blade base 140. The flange 142 has an inner inclined surface 1421 connected to the first plane 141, the first plane 141 and the inner inclined surface 1421 of the flange 142 may form a V-shaped notch, and accordingly, a V-shaped protrusion matching with the V-shaped notch may be disposed at the top end of the slider seat 110, and at least a part of the top surface of the V-shaped protrusion may form the second plane 111. In some embodiments, the first plane 141 may be sized smaller than the second plane 111.

In order to limit the inclined core-pulling stroke of the slider 120 during the mold opening process, in some embodiments, referring to fig. 1 and 2, the inclined core-pulling structure 10 of the mold may further include a limiting block 150. The stopper 150 may be disposed on a moving path of the slider seat 110 and the slider 120 and located on a side of the slider seat 110 away from the slider 120, and at an upper end of the moving path, the stopper 150 may abut against a top surface of the slider seat 110 to limit a moving range of the slider seat 110 and the slider 120. The range of movement of the slide 120 may be determined according to the size of the product 200 where the button 210 needs to be released. In practical applications, the moving range of the slider 120 is slightly larger than the size of the product 200 where the fastening position 210 needs to be demolded.

Fig. 5 is a schematic structural diagram of a stopper 150 according to an embodiment of the present invention. Referring to fig. 5, in some embodiments, stopper 150 further has a first through hole 151 engaged with scoop base 140, and first through hole 151 allows scoop base 140 to pass through.

In order to improve the stability of the inclined core pulling structure 10 of the mold, in some embodiments, referring to fig. 6, the top of the slider 120 may be provided with a boss structure 122; correspondingly, the bottom of the slider seat 110 may be provided with a positioning groove 112 adapted to the boss structure 122, and the mounting position of the slider 120 on the slider seat 110 may be defined by the butt joint of the positioning groove 112 and the boss structure 122, so as to facilitate the assembly of the slider 120 and the slider seat 110, and contribute to improving the stability of the whole inclined core pulling structure.

According to the same concept, in an embodiment of the present invention, there is also provided a mold 1. Fig. 7 is an exploded view of a schematic structure of a mold 1 according to an embodiment of the present invention, and fig. 8 is a schematic structural view of a core 50 of the mold 1 shown in fig. 7. Referring to fig. 7, the mold 1 may include the diagonal core-pulling structure 10 as described above in any one or any combination of the embodiments.

In some embodiments, the mold 1 further comprises an upper sizing plate 20, a nozzle plate 30, a stationary plate 40, a mold core 50, and a moving plate 60. The upper size template 20, the nozzle plate 30, the fixed template 40, the mold core 50 and the movable template 60 are arranged from top to bottom in sequence.

At least one pull rod 70 is disposed between the upper code template 20 and the fixed template 40, and an elastic member 80 can be sleeved on each pull rod 70. The stationary platen 40 is movable up and down by at least one tie bar 70.

Shovel base 140 is secured to the bottom of racking template 20. In practice, shovel base 140 may be secured to the bottom of knock-up plate 20 by screws or pins. The nozzle plate 30 is provided with a second through hole for allowing the shovel base 140 to pass through. The fixed die plate 40 is provided with a first mounting groove matched with the top of the die core 50, one side of the movable die plate 60 facing the fixed die plate is provided with a second mounting groove matched with the bottom of the die core 50, under the die closing state, the first mounting groove and the second mounting groove can form a containing cavity, the die core 50 is contained in the containing cavity, and at the moment, the fixed die plate 40 and the movable die plate 60 are in a locking state. Specifically, the fixed die plate 40 and the movable die plate 60 may be locked by a nylon plug 90.

Referring to fig. 8, in some embodiments, the mold core 50 may be provided with an inclined guide groove 51 cooperating with the inclined core back structure 10 of the mold 1, and the inclined guide groove 51 allows the slider seat 110 and the slider 120 of the inclined core back structure 10 of the mold 1 to reciprocate in the inclined guide groove 51. In some embodiments, the stop block 150 of the angle core pulling structure 10 of the mold 1 may be fixed to the top of the mold core 50. At least a portion of the stop 150 may be inserted into the top of the mold core 50. In some embodiments, the top surface of the stop 150 may be flush with the top surface of the mold core 50.

The working principle of the mold 1 is described in detail in an embodiment of the present invention. Referring to fig. 1 to 8, a mold 1 of the present embodiment includes an inclined core pulling structure 10, an upper mold plate 20, a nozzle plate 30, a fixed mold plate 40, a mold core 50, and a movable mold plate 60. At least one pull rod 70 is disposed between the upper code template 20 and the fixed template 40, and an elastic member 80 can be sleeved on each pull rod 70. The stationary platen 40 is movable up and down by at least one tie bar 70. The inclined core pulling structure 10 includes a shovel base 140, a limiting block 150, a slider seat 110, a slider 120, and a spring 130, and an inclined guide groove 51 matched with the inclined core pulling structure 10 of the mold 1 is provided in the mold core 50.

After the mold 1 of this embodiment is used to mold a product to be molded, the mold needs to be opened to take out the molded product. When the mold is opened, the rear mold (i.e., the male mold) is firstly opened, and since the fixed mold plate 40 and the movable mold plate 60 are not opened at this time, the fixed mold plate 40 and the movable mold plate 60 are still in a locked state at this time, so that the fixed mold plate 40 can move downward along with the movable mold plate 60, and further the water gap plate 30 and the fixed mold plate 40 are driven to be pulled apart, the spring 130 starts to extend, and the slider seat 110 and the slider 120 are driven to perform core pulling movement along the inclined guide groove 51 in the mold core 50 by the aid of the elastic force during extension. After the nozzle plate 30 is separated from the fixed mold plate 40 by a certain distance, the fixed mold plate 40 and the movable mold plate 60 are opened, and the movable mold plate 60 continues to move downward, so that the molded product is released. In the whole mold opening process, the loading template 20 is fixed, and the shovel base 140 is fixed at the bottom of the loading template 20, so that in the mold opening process, the shovel base 140 does not move, but due to the movement tendency of the fixed template 40 and the nozzle plate 30, the shovel base 140 does not move at this time, but realizes upward relative displacement relative to the nozzle plate 30 and the fixed template 40, that is, the shovel base 140 moves upward relatively, at this time, the spring 130 starts to extend, the slider seat 110 and the slider 120 can be driven to perform oblique core pulling motion along the buckling direction of the product under the assistance of the elastic force of the spring 130, when the slider seat 110 moves obliquely upward to the limiting block 150, the top of the slider seat 110 abuts against the bottom of the limiting block 150, at this time, the slider 120 stops moving, the oblique core pulling motion is completely completed, and the buckling position is completely separated. The stationary platen 40 and the movable platen 60 may then be opened to complete the demolding of the molded product.

After the formed product is demoulded, the die is required to be closed, and the inclined core-pulling structure 10 is reset, so that the next forming processing is facilitated. When the mold is closed, the movable mold plate 60 can be forced to move upwards, and then the fixed mold plate 40 is driven to move upwards. In this case, the shovel base 140 performs a downward relative displacement with respect to the nozzle plate 30 and the fixed die plate 40, and during the relative downward movement, the shovel base 140 passes through the first through hole 151 of the limiting block 150 and then is engaged with the slider seat 110, and applies a pressure to the slider seat 110, thereby driving the slider seat 110 and the slider 120 to move downward along the inclined guide slot 51, so as to perform a resetting operation of the slider seat 110 and the slider 120.

The above embodiments can be combined at will, and according to any one of the above optional embodiments or the combination of a plurality of optional embodiments, the embodiment of the present invention can achieve the following beneficial effects:

the spring 130 is used as an auxiliary power source to drive the slider seat 110 and the slider 120 to perform an inclined core pulling motion along the buckling position direction of the product in the mold opening action, so that the slider 120 is far away from the buckling position 210 of the product 200 to realize smooth mold stripping of the buckling position 210 of the product 200. Adopt the utility model discloses an oblique structure of loosing core 10 for mould can effectively solve the die sinking in-process, because of product 200 has the knot position 210 of back-off in the die sinking direction, leads to the problem of die sinking difficulty, and specially adapted detains position 210 and goes out the product in the master model side, and the slider that has relatively now goes out the mould structure, has that simple structure, space occupy for a short time, with low costs, feasibility is high, long service life, and the follow-up advantage of maintaining of being convenient for.

Further, the utility model discloses stopper 150 can butt in the top surface of slider seat 110 at the ascending terminal point of the moving path of oblique core pulling motion to can effectively restrict slider seat 110 and slider 120's displacement range.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

In addition, in the above embodiments, the front or rear, upper or lower, left or right of each structural member is defined by the position of the structural member relative to the user in the normal use state. Moreover, it should be noted that the use of front or rear, upper or lower, left or right is merely for convenience and simplicity of description and is not intended to indicate or imply that the device or structure being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. The utility model provides an oblique core pulling structure for mould which characterized in that includes:

a slider seat;

the spring is fixed to the bottom of the sliding block seat and abuts against the die core of the die in a die closing state, and the spring is configured to drive the sliding block seat and the sliding block to do inclined core pulling motion along the buckling position direction through the stretching motion of the spring in the die opening action of the die, so that the sliding block is far away from the buckling position to realize buckling position demolding of the product.

2. The inclined core pulling structure for the mold according to claim 1, further comprising:

and the shovel base is arranged opposite to the slider seat up and down and is configured to apply pressure to the slider seat in the die closing action of the die so as to drive the slider seat and the slider to move along the extending direction of the slider.

3. The inclined core pulling structure for the mold according to claim 2, further comprising:

and the limiting block is arranged on the moving path of the slider seat and the slider, is positioned on one side of the slider seat far away from the slider, and abuts against the top surface of the slider seat to limit the moving range of the slider seat and the slider when the moving path goes upward.

4. The inclined core pulling structure for molds according to claim 3,

the limiting block is provided with a first through hole matched with the shovel base, and the first through hole allows the shovel base to pass through.

5. The inclined core pulling structure for molds according to claim 2,

the bottom of the shovel base is provided with a first plane extending along the horizontal direction, the top of the slider seat is provided with a second plane extending along the horizontal direction, and in the mold closing action of the mold, the first plane abuts against the second plane to apply pressure to the slider seat.

6. The diagonal core pulling structure for molds according to claim 5,

the bottom of the shovel base is provided with a flange, the flange extends obliquely from the edge of the first plane along the direction close to the slider seat and towards the central axis direction of the shovel base, the flange is provided with an inner side inclined plane connected with the first plane, and the first plane and the inner side inclined plane form a V-shaped notch;

the top end of the sliding block seat is provided with a V-shaped convex part matched with the V-shaped groove opening, and the top surface of the V-shaped convex part forms the second plane.

7. The inclined core pulling structure for molds according to claim 1,

the two springs are respectively arranged on two sides of the sliding block, and at least one part of each spring is embedded into the bottom of the sliding block seat.

8. The inclined core pulling structure for molds according to claim 1,

the top of the sliding block is provided with a boss structure;

the bottom of the slider seat is provided with a positioning groove matched with the boss structure, and the positioning groove is configured to be in butt joint with the boss structure so as to limit the installation position of the slider on the slider seat.

9. A mold comprising the diagonal core pulling structure for a mold according to any one of claims 1 to 8.

10. The mold of claim 9, further comprising:

the mould core is provided with an oblique guide groove matched with the oblique core pulling structure for the mould, and the oblique guide groove allows the sliding block seat and the sliding block of the oblique core pulling structure for the mould to move in the oblique guide groove in a reciprocating mode.