CN216032099U

CN216032099U - Stable die clamping mechanism of injection mold

Info

Publication number: CN216032099U
Application number: CN202122578994.3U
Authority: CN
Inventors: 胡军强; 王荣
Original assignee: Huizhou Guangda Precision Die Co ltd
Current assignee: Huizhou Guangda Precision Die Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-15
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to the technical field of injection molds, in particular to a stable mold closing mechanism of an injection mold, which comprises a fixed plate and a base, wherein two first support rods in mirror images are fixedly connected between the fixed plate and the base, two second support rods in mirror images are fixedly connected between the fixed plate and the base, the first support rods and the second support rods are provided with the same structure, a limiting groove is formed in the first support rods, and the cross section of the limiting groove is in a cross shape. According to the utility model, the support plate is released from fixing, so that a worker can disassemble the support plate, and when a power die processes some smaller workpieces and some smaller materials remain in the die, the worker can more smoothly disassemble and maintain the die, so that later maintenance of the die is more convenient, and meanwhile, when the worker needs to process different workpieces, the worker can more smoothly process different workpieces.

Description

Stable die clamping mechanism of injection mold

Technical Field

The application relates to the technical field of injection molds, in particular to a stable die closing mechanism of an injection mold.

Background

The injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate sizes, the injection molding is a processing method used when producing some parts with complex shapes in batches, in particular, the plastic which is heated and melted is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification, the injection mold needs to be opened and closed during production, the plastic needs to be opened and closed after being cooled and formed to eject the plastic out of the mold, and the existing mold opening and closing mechanism has complex structure and high manufacturing cost;

as disclosed in the chinese patent: a mold opening and closing mechanism of an injection mold, is disclosed as follows: CN209682849U, the upper end of the driving post is hinged through a pin shaft, the lower end of the driving post is inserted and sleeved in the rectangular through groove of the fixing seat, the driving post is formed with a cross-shaped groove, a cross-shaped sliding block is sleeved in the cross-shaped groove, the cross-shaped sliding block is formed with a threaded hole, the threaded hole is screwed with a screw rod, and the screw rod is provided with power.

However, the following problems occur in the using process of the scheme: because the plastics that are heated and melted are injected into the die cavity by the injection molding machine high pressure, after cooling solidification, obtain the finished product, injection mold need open and shut the mould in production, it will mould a ejecting mould to need the die sinking after moulding a cooling shaping, and the staff adds man-hour to some work pieces that have tiny mechanism, when ejecting to the work piece, some tiny structures can remain in the inside of mould, thereby make the staff need clear up the maintenance to the mould, but because the relative setting of mould makes the staff increase the clearance degree of difficulty to the mould, make the staff obtain certain increase to the clearance maintenance degree of difficulty of mould.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above-mentioned problems occurring in the prior art.

The embodiment of the application adopts the following technical scheme:

a stable clamping mechanism of an injection mold comprises a fixed plate and a base, wherein two first support rods with mirror images are fixedly connected between the fixed plate and the base, two second support rods with mirror images are fixedly connected between the fixed plate and the base, the first support rods and the second support rods are provided with the same structure, limiting grooves are formed in the first support rods, the cross sections of the limiting grooves are cross-shaped, mounting and dismounting devices are arranged in the limiting grooves, the second support rods are located under the first support rods and are not in contact with the first support rods, a first positioning groove is formed in the front side of the fixed plate, the cross section of the first positioning groove is isosceles trapezoid, a first positioning block is slidably connected in the first positioning groove, the first positioning block is likewise isosceles trapezoid, and a fixed mold is fixedly connected to the front side of the first positioning block;

the die clamping mechanism comprises a supporting plate, the surface of the supporting plate is located between the first supporting rod and the second supporting rod, the surface of the supporting plate is in sliding connection with the close sides of the first supporting rod and the second supporting rod, the rear side of the supporting plate is fixedly connected with a power die, and a power plate is arranged on the rear side of the supporting plate.

Preferably, the installation dismounting device includes the power frame, the surface of power frame and the inside sliding connection of spacing groove, and the power frame is done the font, the top of backup pad and bottom all offer with power frame surface sliding connection's second constant head tank, the bottom of power frame slides and runs through the inside of spacing groove and extend to the inside of second constant head tank, the second constant head tank is isosceles trapezoid with the bottom cross-section of power frame equally.

Preferably, the bottom of the transverse plate at the lower side of the power frame is provided with a rolling ball.

Preferably, the sliding tray has been seted up to the inside of power frame, and the inside sliding connection of sliding tray has the mount, and the cross-section of mount is the T font, and the shifting chute has been seted up to the inside lower surface of second constant head tank, and the inside fixedly connected with stopper of shifting chute, the cross-section of stopper are triangle-shaped, and the inside of sliding tray is run through and extends to the inside of shifting chute in the bottom of the vertical pole of mount, the surface sliding connection of the bottom of mount and stopper.

Preferably, the surface of the vertical rod of the fixing frame is provided with a convex block, the top of the convex block on the surface of the vertical rod of the fixing frame is fixedly connected with a spring movably sleeved on the fixing frame, and the top end of the spring is fixedly connected with the inner wall of the sliding groove.

Preferably, the top of the power frame is provided with a protective groove in sliding connection with the surface of the transverse rod of the fixed frame.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, the fixing through the backup pad is relieved, make the staff can dismantle the backup pad, and make power mould add man-hour to some less work pieces, some less materials remain when the inside of mould, make the staff can be more smooth dismantle the maintenance to the mould, it is more convenient to make the later maintenance of mould, need add man-hour to different work pieces at the staff simultaneously, the staff can be more smooth change different moulds, and make the staff can be more smooth install different moulds, make the different work pieces of processing that the staff can be more smooth.

And secondly, the power frame slides into the protection groove, so that the power frame can be protected and hidden, the worker is prevented from mistakenly touching the power frame to a certain extent, the support plate is made to be unstable, the position of the support plate is made to be more stable, the external object is prevented from colliding with the power frame to a certain extent, the power frame is made to be damaged, and the service life of the power frame is prolonged to a certain extent.

The bottom cross-section through second constant head tank and power frame is isosceles trapezoid equally and makes the position of backup pad obtain the restriction to the position moving direction who makes the backup pad receives the restriction, makes the backup pad can only remove about and can not reciprocate, thereby makes the installation and the dismantlement of backup pad more convenient.

Fourthly, can make the power board drive backup pad and power mould through external power mechanism and move backward and carry out the closure with fixed mould, move between first bracing piece and second bracing piece through the power mould simultaneously to make the compound die of mould more stable, make the operative installations that the staff can be more stable process the work piece.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural view of a mold clamping mechanism according to the present invention;

FIG. 2 is a schematic cross-sectional view of a support plate according to the present invention;

FIG. 3 is a schematic cross-sectional view of the limiting groove of the present invention.

In the figure: the device comprises a fixing plate 1, a first positioning groove 2, a first positioning block 3, a fixed die 4, a base 5, a power plate 6, a limiting groove 7, a supporting plate 8, a power frame 9, a power die 10, a first supporting rod 11, a sliding groove 12, a second positioning groove 13, a moving groove 14, a spring 15, a rolling ball 16, a fixing frame 17, a limiting block 18, a protective groove 19 and a second supporting rod 20.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Example 1: referring to fig. 1, a stable clamping mechanism of an injection mold comprises a fixed plate 1 and a base 5, two mirror-imaged first support rods 11 are fixedly connected between the fixed plate 1 and the base 5, two mirror-imaged second support rods 20 are fixedly connected between the fixed plate 1 and the base 5, the first support rods 11 and the second support rods 20 are provided with the same structure, a limiting groove 7 is formed in the first support rod 11, the cross section of the limiting groove 7 is cross-shaped, the inner part of the vertical groove of the limiting groove 7 penetrates through the inner part of the first support rod 11 and extends to the outer part of the first support rod 11, an installation and disassembly device is arranged in the limiting groove 7, the second support rod 20 is positioned under the first support rod 11 and is not in contact with the first support rod 11, a first positioning groove 2 is formed in the front side of the fixed plate 1, the cross section of the first positioning groove 2 is isosceles trapezoid, a first positioning block 3 is slidably connected in the first positioning groove 2, the first positioning block 3 is also in an isosceles trapezoid shape, a fixed mold 4 is fixedly connected to the front side of the first positioning block 3, the fixed mold 4 is an existing structure and is not described herein, and the fixed mold 4 is fixed to the front side of the fixed plate 1 through bolts;

the die clamping mechanism comprises a supporting plate 8, the surface of the supporting plate 8 is positioned between a first supporting rod 11 and a second supporting rod 20, the surface of the supporting plate 8 is in sliding connection with the adjacent sides of the first supporting rod 11 and the second supporting rod 20, a power die 10 is fixedly connected to the rear side of the supporting plate 8, the power die 10 is the existing structure and is not described in detail herein, the power die 10 and a fixed die 4 are relatively close to each other to realize die clamping, a power plate 6 is arranged on the rear side of the supporting plate 8, the supporting plate 8 is installed on the rear side of the power plate 6 through bolts, so that the supporting plate 8 can be more conveniently disassembled, the front side of the power plate 6 is provided with an external power mechanism, the external power mechanism is the prior structure and is not described in more detail, the power plate 6 can drive the support plate 8 and the power mold 10 to move back and forth through an external power mechanism, so that the mold opening and closing of the power mold 10 are realized;

when the mold is used, a worker starts the external power mechanism through the external control device, so that the external power mechanism can drive the power plate 6 to drive the support plate 8 and the power mold 10 to move back and forth, and the mold opening and closing of the power mold 10 are realized;

example 2: referring to fig. 2 to 3, on the basis of the first embodiment, the mounting and dismounting device includes a power frame 9, the surface of the power frame 9 is slidably connected with the inside of the limiting groove 7, the power frame 9 is in a shape like a Chinese character 'gan', the top and the bottom of the supporting plate 8 are both provided with a second positioning groove 13 slidably connected with the surface of the power frame 9, the bottom of the power frame 9 slidably penetrates through the inside of the limiting groove 7 and extends to the inside of the second positioning groove 13, and the cross sections of the second positioning groove 13 and the bottom of the power frame 9 are both in an isosceles trapezoid shape;

the second positioning groove 13 and the bottom section of the power frame 9 are both isosceles trapezoids so that the position of the support plate 8 is limited, the position moving direction of the support plate 8 is limited, the support plate 8 can only move left and right and cannot move up and down, and therefore the support plate 8 is more convenient to mount and dismount;

furthermore, the rolling ball 16 is arranged at the bottom of the transverse plate at the lower side of the power frame 9, the rolling ball 16 can roll between the power frame 9 and the inside of the limiting groove 7, and meanwhile, the friction force between the power frame 9 and the limiting groove 7 is minimized through the rolling of the rolling ball 16, so that the power frame 9 can move more smoothly, the situation that the power frame 9 is deflected and clamped when moving is prevented to a certain extent, the situation that the power frame 9 is damaged due to clamping is prevented, and the service life of the power frame 9 is prolonged to a certain extent;

furthermore, a sliding groove 12 is formed in the power frame 9, a fixed frame 17 is connected to the inside of the sliding groove 12 in a sliding manner, the cross section of the fixed frame 17 is in a T shape, a moving groove 14 is formed in the lower surface of the inside of the second positioning groove 13, a limiting block 18 is fixedly connected to the inside of the moving groove 14, the cross section of the limiting block 18 is in a triangular shape, the bottom of a vertical rod of the fixed frame 17 penetrates through the inside of the sliding groove 12 and extends to the inside of the moving groove 14, and the bottom of the fixed frame 17 is connected with the surface of the limiting block 18 in a sliding manner;

furthermore, the surface of the vertical rod of the fixing frame 17 is provided with a convex block, the fixing frame 17 can be prevented from completely sliding out of the inside of the sliding groove 12 through the convex block arranged on the surface of the fixing frame 17, the top of the convex block on the surface of the vertical rod of the fixing frame 17 is fixedly connected with a spring 15 movably sleeved on the fixing frame 17, the top end of the spring 15 is fixedly connected with the inner wall of the sliding groove 12, and the spring 15 can be compressed and reset through the up-and-down movement of the fixing frame 17;

furthermore, the top of the power frame 9 is provided with a protective groove 19 which is in sliding connection with the surface of the transverse rod of the fixed frame 17;

the power frame 9 slides into the protection groove 19, so that the power frame 9 can be protected and hidden, workers are prevented from mistakenly touching the power frame 9 to a certain extent, the support plate 8 is unstable, the position of the support plate 8 is more stable, external objects are prevented from colliding with the power frame 9 to a certain extent, the power frame 9 is damaged, and the service life of the power frame 9 is prolonged to a certain extent;

when the tool is used, a worker screws out the bolts on the power plate 6 and moves the power frame 9 upwards, the spring 15 is compressed, and simultaneously the power frame 9 slides out of the moving groove 14 and slides into the sliding groove 12, so that the fixation of the power frame 9 by the limiting blocks 18 is released, the fixation of the supporting plate 8 is released, the worker can disassemble the supporting plate 8, and when the power die 10 processes smaller workpieces, and smaller materials remain in the die, the worker can disassemble and maintain the die more smoothly, the later maintenance of the die is more convenient, and when the worker needs to process different workpieces, the worker can replace different dies more smoothly, and the worker can install different dies more smoothly, so that the working personnel can process different workpieces more smoothly.

The working principle is as follows:

this stable locking mechanism of injection mold is when using, screw out through the bolt that the staff made on the dynamic plate 6, and make dynamic frame 9 upwards remove, spring 15 compresses, make the inside of dynamic frame 9 roll-off shifting chute 14 and slide in the inside of sliding chute 12 simultaneously, thereby realize that stopper 18 removes the fixed of dynamic frame 9, and make the fixed of backup pad 8 remove, make the staff dismantle backup pad 8, and add man-hour to some less work pieces at dynamic mold 10, some less materials remain when the inside of mould, it dismantles the maintenance to make the mould that the staff can be more smooth, it is more convenient to make the later maintenance of mould.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a stable locking mechanism of injection mold, includes fixed plate (1) and base (5), its characterized in that: two mirror-image first supporting rods (11) are fixedly connected between the fixed plate (1) and the base (5), two mirror-image second supporting rods (20) are fixedly connected between the fixed plate (1) and the base (5), the first supporting rods (11) and the second supporting rods (20) are provided with the same structure, limiting grooves (7) are formed in the first supporting rods (11), the cross sections of the limiting grooves (7) are cross-shaped, mounting and dismounting devices are arranged in the limiting grooves (7), the second supporting rods (20) are positioned under the first supporting rods (11) and are not in contact with the first supporting rods (11), a first positioning groove (2) is formed in the front side of the fixed plate (1), the cross section of the first positioning groove (2) is isosceles trapezoid, a first positioning block (3) is slidably connected in the first positioning groove (2), and the first positioning block (3) is likewise isosceles trapezoid, the front side of the first positioning block (3) is fixedly connected with a fixed die (4);

the die clamping mechanism comprises a supporting plate (8), the surface of the supporting plate (8) is located between a first supporting rod (11) and a second supporting rod (20), the surface of the supporting plate (8) is in sliding connection with the close sides of the first supporting rod (11) and the second supporting rod (20), a power die (10) is fixedly connected to the rear side of the supporting plate (8), and a power plate (6) is arranged on the rear side of the supporting plate (8).

2. The injection mold stabilizing clamping mechanism of claim 1, wherein: the installation dismounting device comprises a power frame (9), the surface of the power frame (9) is connected with the inner sliding surface of a limiting groove (7) in a sliding mode, the power frame (9) is in a shape like a Chinese character 'gan', a second positioning groove (13) which is connected with the surface of the power frame (9) in a sliding mode is formed in the top and the bottom of a supporting plate (8), the bottom of the power frame (9) slides to penetrate through the inner portion of the limiting groove (7) and extends to the inner portion of the second positioning groove (13), and the bottom cross section of the second positioning groove (13) and the bottom cross section of the power frame (9) are equally isosceles trapezoid-shaped.

3. The injection mold stabilizing clamping mechanism of claim 2, wherein: the bottom of the transverse plate at the lower side of the power frame (9) is provided with a rolling ball (16).

4. The injection mold stabilizing clamping mechanism of claim 2, wherein: sliding tray (12) have been seted up to the inside of power frame (9), the inside sliding connection of sliding tray (12) has mount (17), the cross-section of mount (17) is the T font, shifting chute (14) have been seted up to the inside lower surface of second constant head tank (13), the inside fixedly connected with stopper (18) of shifting chute (14), the cross-section of stopper (18) is triangle-shaped, the inside of sliding tray (12) is run through and extends to the inside of shifting chute (14) in the bottom of the vertical pole of mount (17), the surface sliding connection of the bottom of mount (17) and stopper (18).

5. The injection mold stabilizing clamping mechanism of claim 4, wherein: the surface of the vertical rod of the fixing frame (17) is provided with a convex block, the top of the convex block on the surface of the vertical rod of the fixing frame (17) is fixedly connected with a spring (15) which is movably sleeved on the fixing frame (17), and the top end of the spring (15) is fixedly connected with the inner wall of the sliding groove (12).

6. The injection mold stabilizing clamping mechanism of claim 4, wherein: and the top of the power frame (9) is provided with a protective groove (19) which is in sliding connection with the surface of the transverse rod of the fixed frame (17).