CN216373198U - A mold that is easy to demould - Google Patents

Abstract

The utility model relates to the technical field of moulds, in particular to a mould which is convenient for demoulding. The mold for easy demoulding includes a feeding component, a forming component and a demoulding component; a filling nozzle for feeding is provided in the middle of the feeding component; the forming component includes a front template and a rear template; the bottom of the front template is provided with a front mold seat , the top of the front mold base is provided with a pouring channel that communicates with the filling nozzle; the top of the rear mold plate is provided with a rear mold seat, and the rear mold seat is provided with a sloped roof mechanism; the sloped roof mechanism includes a sloped roof seat, a forming block and a first spring; The bottom of the rear formwork is provided with a support plate, the inclined top seat is fixedly connected with the support plate, and the top is provided with a first inclined surface; the forming block is slidably connected to the rear formwork, one side is provided with a second inclined surface, and the other side is provided with a second inclined surface. There is a forming surface; the first spring is used to provide the ejecting force of the forming block; the demolding component is arranged under the support plate, and is used to push up the product formed by the forming component. The utility model solves the problems of complex structure and short service life of the existing inclined roof mechanism.

Description

A mold that is easy to demould

technical field

The utility model relates to the technical field of moulds, in particular to a mould which is convenient for demoulding.

Background technique

Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods.

Existing products have various and complex structures, mostly with hooks, threads and other structures. Therefore, various sloping roofs and core pulling mechanisms are required to assist in taking out the molded products. The existing lifter mechanism has large length and complex overall structure, and has the problems of easy damage during use and short service life.

Therefore, it is necessary to provide a technical solution to solve the above problems.

Utility model content

The utility model provides a mold which is easy to demould, and aims to solve the problems of long length, complex overall structure, easy damage during use and short service life of the existing lifter mechanism.

In order to achieve the above purpose, the present invention provides a mold for easy demolding, including a feeding component, a forming component and a demolding component, wherein:

The middle of the feeding component is provided with a filling nozzle for feeding;

The forming assembly includes a front template and a rear template; the front template is arranged below the feeding assembly, and a front mold seat is provided at the bottom of the front mold seat, and a top of the front mold seat is provided with a nozzle that communicates with the filling nozzle. sprue; the rear formwork is arranged below the front formwork, the top of which is provided with a rear die base, and the rear die base is provided with a sloping roof mechanism; the sloping roof mechanism includes a sloping roof seat, a forming block and a first A spring; a support plate is arranged below the rear formwork, the bottom of the inclined top seat penetrates the rear formwork and is fixedly connected with the support plate, and the top is provided with a first inclined surface; the forming block slides Connected to the rear template, one side is provided with a second inclined surface that is in contact with the first inclined surface, and the other side is provided with a forming surface; the first spring is arranged on the forming block away from the One side of the second inclined surface, one end of which is fixedly connected to the rear template, and the other end is in contact with the forming block;

The demolding component is arranged below the supporting plate, and is used to push up the product formed by the forming component.

More specifically, the feeding assembly includes an upper fixing plate and a nozzle plate; the nozzle plate is arranged below the upper fixing plate, and the filling nozzle is arranged in the middle of the nozzle plate; the middle part of the upper fixing plate A positioning ring communicated with the filling nozzle is opened.

More specifically, an inclined guide post is provided on the inclined top seat, and the inclination degree of the inclined guide post is the same as that of the first inclined surface; the middle part of the forming block is provided with the inclined guide post. A matching oblique hole is provided, and the oblique guide post is slidably connected in the oblique hole.

More specifically, the bottom of the rear formwork is fixedly connected with a limit pin, the limit pin is slidably connected with the support plate, and the nail head is located under the support plate to form a limit end; the limit The nail jacket is provided with a second spring, one end of the second spring is fixedly connected with the rear template, and the other end is fixedly connected with the support plate.

More specifically, the demoulding assembly includes two square irons, a lower fixing plate, a thimble plate and a thimble; the two square irons are fixedly connected to the bottom of the support plate; the lower fixing plate is fixedly connected to the bottom of the supporting plate. the bottom of the square iron; the thimble plate is arranged between the support plate and the lower fixing plate, and between the two square irons; the thimble is fixedly connected to the thimble plate, and sequentially Extends through the carrier plate and the rear die plate to the rear die seat surface.

More specifically, a plurality of pull rods are fixedly connected to the thimble plate, the pull rods penetrate through the support plate, and are slidably connected with the rear formwork. A third spring is sleeved on the outer side of the pull rod, one end of the third spring is fixedly connected with the thimble plate, and the other end is fixedly connected with the rear template.

More specifically, a return switch is fixedly connected to the outer wall of the rear template, and a pull block close to the return switch extends out of the rear template. The induction part touches.

More specifically, the outer periphery of the upper fixing plate is fixedly connected with a number of guide posts, the nozzle plate, the front template, the rear template, the support plate, the square iron and the lower fixing plate. Guide holes matched with the guide columns are provided, and the guide columns are slidably connected with the guide holes.

More specifically, the mold for easy demoulding further includes a number of limit mechanisms; the limit mechanism includes an outer pull plate, and the outer pull plate is provided with two strip holes, two of the strip holes. Pulling plate nails are respectively slidably connected inside, and the two pulling plate nails are respectively locked on the front formwork and the rear formwork.

More specifically, the mold for easy demolding further includes a clamping mechanism; the clamping mechanism includes a clamping plate, two ends of the clamping plate are respectively provided with clamping nails, and the two clamping nails are respectively locked. on the nozzle plate and the rear formwork.

The technical effect of the mold for easy demoulding involved in the present utility model is:

The application adopts the design of the inclined top mechanism. During injection molding, the molding surface of the molding block is used as a part of the rear mold base to form structures such as hooks and lines. After the molding is completed, the rear mold base is lifted to separate the rear mold base from the support plate. At this time, the position of the inclined top seat is fixed, and the forming block is lifted upward. Under the cooperation of the first inclined surface, the second inclined surface and the first spring, the forming block gradually moves towards the direction close to the inclined top seat, so that the forming surface can be formed. Release the molded product, and then the ejection assembly can eject the molded product. The inclined top mechanism has the advantages of simple structure, good demoulding effect and long service life.

Description of drawings

Fig. 1 is the structural representation of a kind of mold that is convenient for demoulding related to the utility model;

Fig. 2 is the top view of a kind of mold which is convenient for demoulding related to the utility model;

Fig. 3 is the sectional schematic diagram at A-A place in Fig. 2;

Fig. 4 is the enlarged schematic diagram at B of Fig. 3;

5 is a schematic structural diagram of a lifter mechanism in a mold that is convenient for demolding according to the present invention;

FIG. 6 is a schematic diagram of an exploded structure of a mold for easy demolding according to the present invention.

Marked in the figure:

1—Feeding component; 2—Forming component; 3—Demoulding component; 4—Return switch; 5—Limiting mechanism; 6—Clamping mechanism;

101—upper fixing plate; 102—nozzle plate; 103—filling nozzle; 104—positioning ring; 105—guide column; 106—guide hole;

201—front formwork; 202—rear formwork; 203—front die holder; 204—rear die holder; 205—inclined top mechanism; 206—inclined top base; 207—forming block; 208—first spring; 209—supporting plate; 210—inclined guide post; 211—inclined top hole; 212—limiting pin; 213—second spring; 214—fixing block; 215—limiting baffle plate; 216—condensing pipe;

301—square iron; 302—lower fixing plate; 303—thimble plate; 304—thimble; 305—first thimble plate; 306—second thimble plate; 307—support column; 308—draw rod; 309—pull block; 310— the third spring;

501—external pull plate; 502—strip hole; 503—pull plate nail;

601—locking template; 602—locking nail;

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or intervening elements may be present at the same time; when an element is referred to as being "connected to" another element An element, which may be directly connected to another element or intervening elements may also be present.

In order to illustrate the technical solution of the present invention more clearly, a preferred embodiment is provided below, with specific reference to FIG. 1 to FIG. 6 . A mold for easy demolding, comprising a feeding component 1, a forming component 2 and a demolding component 3, wherein:

The feeding assembly 1 includes an upper fixing plate 101 and a nozzle plate 102; the nozzle plate 102 is arranged under the upper fixing plate 101, and a filling nozzle 103 is arranged in the middle; the middle part of the upper fixing plate 101 is provided with a positioning ring that communicates with the filling nozzle 103 104;

The forming assembly 2 includes a front die plate 201 and a rear die plate 202; the front die plate 201 is arranged below the nozzle plate 102, the bottom of the front die plate 201 is provided with a front die base 203, and the top of the front die base 203 is provided with a sprue that communicates with the filling nozzle 103; The template 202 is arranged below the front template 201, and the top of the template is provided with a rear mold base 204. The rear mold base 204 is provided with a lifter mechanism 205; the lifter mechanism 205 includes a lifter seat 206, a forming block 207 and a first spring 208; A support plate 209 is arranged below the rear template 202, the bottom of the inclined top seat 206 penetrates the rear template 202 and is fixedly connected with the support plate 209, and the top is provided with a first inclined surface; the forming block 207 is slidably connected to the rear template 202, One side is provided with a second inclined surface in contact with the first inclined surface, and the other side is provided with a forming surface; the first spring 208 is arranged on the side of the forming block 207 away from the second inclined surface, and one end of the spring 208 is fixedly connected to the rear On the template 202, the other end is in contact with the forming block 207;

The demolding assembly 3 is used to push up the product formed by the forming assembly 2, and includes two square irons 301, a lower fixing plate 302, a thimble plate 303 and a thimble 304; the two square irons 301 are fixedly connected to the support plate The bottom of 209; the lower fixing plate 302 is fixedly connected to the bottom of the square iron 301; the thimble plate 303 is arranged between the support plate 209 and the lower fixing plate 302, and is located between the two square irons 301; the thimble 304 is fixedly connected to the thimble plate 303 , and extend through the support plate 209 and the rear mold plate 202 to the surface of the rear mold base 204 in sequence.

As a preferred solution of this embodiment, an inclined guide post 210 is provided on the inclined top seat 206, and the inclination degree of the inclined guide post 210 is the same as the inclination degree of the first inclined surface; The inclined hole 211 is matched, and the inclined guide post 210 is slidably connected in the inclined hole 211 . The inclined guide post 210 cooperates with the inclined hole 211 , so that the forming block 207 gradually moves to the end close to the inclined top seat 206 when it is lifted.

As a preferred solution of this embodiment, the bottom of the rear formwork 202 is fixedly connected to a limit pin 212, the limit pin 212 is slidably connected to the support plate 209, and its nail head is located under the support plate 209 to form a limit end; the limit pin 212 The outer casing is provided with a second spring 213 , one end of the second spring 213 is fixedly connected to the rear template 202 , and the other end is fixedly connected to the support plate 209 . When the nail head of the limiting nail 212 is in contact with the support plate 209, the rear template 202 can no longer be lifted upwards, that is, the forming block 207 no longer slides forward, thereby limiting the sliding range of the forming block 207, so as to avoid the forming block 207 Excessive movement can cause damage to the rear die holder 204 . The second spring 213 is used to pull the rear template 202 to reset.

As a preferred solution of this embodiment, fixing blocks 214 are respectively provided on both sides of the forming block 207, and both ends of the forming block 207 are in contact with the top of the fixing block 214; A limiting baffle 215 extends upward from one end of the inclined top seat 206 . When the rear template 202 is lifted, the forming block 207 slides on the top of the fixing block 214, and the limit baffle 215 is used as a further limit measure, that is, when the forming block 207 is in contact with the limit baffle 215, it will no longer slide to avoid excessive movement. As a result, the rear die holder 204 is damaged.

As a preferred solution of this embodiment, a plurality of pull rods 308 are fixedly connected to the ejector plate 303 , the pull rods 308 penetrate through the support plate 209 and are slidably connected with the rear formwork 202 , and a pull block 309 is provided on the top thereof, and the pull block 309 is in contact with the rear formwork 202 . When the rear template 202 is lifted, the pull rod 308 pulls up the ejector plate 303 under the action of the pull block 309. When the mold is closed, the pull block 309 is in contact with the front template 201, so as to ensure that the ejector does not interfere with the front template 201. A third spring 310 is sleeved on the outer side of the pull rod 308 , one end of the third spring 310 is fixedly connected with the thimble plate 303 , and the other end is fixedly connected with the rear template 202 . When the rear template 202 is lifted, under the action of the pull rod 308, the ejector plate 303 is then lifted synchronously with the template 202. The function of this design is to prevent the ejector 304 from separating from the rear mold base 204, which affects the ejection of subsequent molded products.

Further, the ejector plate 303 includes a first ejector plate 305 and a second ejector plate 306, the first ejector plate 305 is fixedly connected to the top of the second ejector plate 306, and the bottom of the ejector pin 304, the pull rod 308 and other components are provided with positioning parts, The positioning portion is sandwiched between the first ejector plate 305 and the second ejector plate 306 , so as to be fixed on the ejector plate 303 .

More specifically, a plurality of support columns 307 are fixedly connected to the lower fixing plate 302 , and the plurality of support columns 307 are arranged between the two square irons 301 , which penetrate through the ejector plate 303 and are in contact with the support plate 209 .

As a preferred solution of this embodiment, the return switch 4 is fixedly connected to the outer wall of the rear template 202, and the pull block 309 close to the return switch 4 extends out of the rear template 202. When the ejector plate 303 returns, the pull block 309 and The sensing part of the return switch 4 is in contact, so that the return switch can be detected after the ejector pin 304 is returned to the lower fixing plate 302, and then the next mold clamping can be performed.

As a preferred solution of this embodiment, several guide posts 105 are fixedly connected to the outer periphery of the upper fixing plate 101 , and the nozzle plate 102 , the front template 201 , the rear template 202 , the supporting plate 209 , the square iron 301 and the lower fixing plate 302 are all provided with The guide hole 106 is matched with the guide column 105 , and the guide column 105 is slidably connected with the guide hole 106 .

As a preferred solution of this embodiment, the front template 201 and the rear template 202 are evenly distributed with condensation pipes 216 . The condensation speed of the rubber compound can be accelerated by injecting condensed water into the condensation pipe 216 .

As a preferred solution of this embodiment, the mold for easy demolding further includes a number of limit mechanisms 5, the limit mechanism 5 includes an outer pull plate 501, and the outer pull plate 501 is provided with two strip-shaped holes 502, two strip-shaped holes 502. A pull plate nail 503 is slidably connected in the hole 502, and the two pull plate nails 503 are respectively locked on the front template 201 and the rear template 202; the limit mechanism 5 is used to limit the separation distance of the mold as a whole, effectively preventing the mold separation distance too long and lead to inefficiency.

As a preferred solution of this embodiment, the mold for easy demolding further includes a clamping mechanism 6; the clamping mechanism 6 includes a clamping plate 601, the two ends of the clamping plate 601 are respectively provided with clamping nails 602, two clamping nails 602 They are locked on the nozzle plate 102 and the rear template 202 respectively. The mold locking mechanism 6 is used to lock the mold, that is, the mold can be locked when the mold is not needed, and the mold cannot be opened, so as to avoid the occurrence of some unexpected situations.

The working process of the utility model is:

When the mold is closed, start the machine to inject the rubber material, the rubber material enters along the filling nozzle 103 and flows along the sprue, and is formed between the front mold base 203 and the rear mold base 204, and the molding surface on the forming block 207 is used as the rear mold base A part of 204 is used to form structures such as hooks and textures. After the glue is completely injected, the condensed water is injected through the condensation pipe 216 to accelerate the cooling and forming of the glue. The mold base 204 is separated, and then the rear mold base 204 is pulled up to separate it from the support plate 209, that is, the position of the inclined top base 206 is fixed, and the forming block 207 is lifted upward, and the first inclined surface, the second inclined surface and the first spring 208 Under the cooperating action of the forming block 207, the forming block 207 gradually moves in the direction close to the inclined top seat 206, so that the forming surface can be separated from the forming product, and finally the ejector pin plate 303 is lifted. The molded product is ejected.

The utility model relates to a mold which is easy to demould, and through reasonable structural arrangement, the problems of long length, complex overall structure, easy damage during use and short service life of the existing lifter mechanism are solved.

The above are only preferred embodiments of the present invention, and its structure is not limited to the shapes listed above. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall include within the scope of protection of the present invention.

Claims (10)

1. The utility model provides a mould convenient to drawing of patterns which characterized in that: including feeding subassembly, shaping subassembly and drawing of patterns subassembly, wherein:

the middle part of the feeding component is provided with a filling nozzle for feeding;

the forming assembly comprises a front template and a rear template; the front template is arranged below the feeding assembly, a front die holder is arranged at the bottom of the front template, and a pouring channel communicated with the pouring nozzle is formed in the top of the front die holder; the rear template is arranged below the front template, a rear die holder is arranged at the top of the rear template, and an inclined ejection mechanism is arranged on the rear die holder; the inclined ejection mechanism comprises an inclined ejection seat, a forming block and a first spring; a bearing plate is arranged below the rear template, the bottom of the inclined top seat penetrates through the rear template and is fixedly connected with the bearing plate, and a first inclined surface is arranged at the top of the inclined top seat; the forming block is connected to the rear template in a sliding mode, a second inclined surface which is attached to the first inclined surface is arranged on one side of the forming block, and a forming surface is arranged on the other side of the forming block; the first spring is arranged on one side, away from the second inclined surface, of the forming block, one end of the first spring is fixedly connected to the rear template, and the other end of the first spring is in contact with the forming block;

the demolding component is arranged below the bearing plate and used for ejecting a product formed by the forming component upwards.

2. The mold of claim 1, wherein: the feeding assembly comprises an upper fixing plate and a water gap plate; the water gap plate is arranged below the upper fixing plate, and the filling nozzle is arranged in the middle of the water gap plate; and the middle part of the upper fixing plate is provided with a positioning ring communicated with the filling nozzle.

3. The mold of claim 1, wherein: an inclined guide post is arranged on the inclined top seat, and the inclination degree of the inclined guide post is the same as that of the first inclined surface; the middle part of the forming block is provided with an inclined hole matched with the inclined guide pillar, and the inclined guide pillar is connected in the inclined hole in a sliding manner.

4. The mold of claim 1, wherein: the bottom of the rear template is fixedly connected with a limiting nail, the limiting nail is in sliding connection with the bearing plate, and the nail head of the limiting nail is positioned below the bearing plate to form a limiting end; the stop pin overcoat is equipped with the second spring, second spring one end with back template fixed connection, the other end with carrier plate fixed connection.

5. The mold for facilitating demolding as claimed in claim 2, wherein: the demolding assembly comprises two square irons, a lower fixing plate, an ejector plate and an ejector pin; the two square irons are fixedly connected to the bottom of the bearing plate; the lower fixing plate is fixedly connected to the bottom of the square iron; the ejector pin plate is arranged between the bearing plate and the lower fixing plate and is positioned between the two square irons; the ejector pins are fixedly connected to the ejector plate and sequentially penetrate through the bearing plate and the rear die plate to extend to the surface of the rear die seat.

6. The mold of claim 5, wherein: the ejector plate is fixedly connected with a plurality of pull rods, the pull rods penetrate through the bearing plate and are in sliding connection with the rear template, the top of the ejector plate is provided with a pull block, and the pull block is in contact with the rear template; and a third spring is sleeved on the outer side of the pull rod, one end of the third spring is fixedly connected with the ejector plate, and the other end of the third spring is fixedly connected with the rear template.

7. The mold of claim 6, wherein: and a return switch is fixedly connected to the outer wall of the rear template, a pull block close to the return switch extends out of the rear template, and when the ejector plate returns, the pull block is contacted with an induction part of the return switch.

8. The mold of claim 5, wherein: the periphery of an upper fixing plate is fixedly connected with a plurality of guide posts, the water gap plate, the front template, the rear template, the bearing plate, the square iron and the lower fixing plate are all provided with guide holes matched with the guide posts, and the guide posts are connected with the guide holes in a sliding mode.

9. The mold of claim 1, wherein: the die convenient for demoulding also comprises a plurality of limiting mechanisms; the limiting mechanism comprises an outer pulling plate, two strip-shaped holes are formed in the outer pulling plate, pulling plate nails are connected in the strip-shaped holes in a sliding mode respectively, and the pulling plate nails are locked on the front template and the rear template respectively.

10. The mold for facilitating demolding as claimed in claim 2, wherein: the mould convenient for demoulding also comprises a mould locking mechanism; the mold locking mechanism comprises a mold locking plate, mold locking nails are respectively arranged at two ends of the mold locking plate, and the two mold locking nails are respectively locked on the water gap plate and the rear mold plate.

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