CN216683099U

CN216683099U - Injection mold capable of accurately closing mold

Info

Publication number: CN216683099U
Application number: CN202121635169.6U
Authority: CN
Inventors: 沈铁军; 张业辉
Original assignee: Suzhou Hengshou Molding Technology Co ltd
Current assignee: Suzhou Hengshou Molding Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-06-07
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses an injection mold capable of accurately closing a mold, which comprises a base, wherein supporting rods are connected to corners around the upper end surface of the base, the top ends of the supporting rods are connected with a supporting plate, first threaded rods are rotatably mounted on the left side and the right side of the upper end surface of the base, a lower mold base is arranged right above the base, an upper mold base is arranged right above the lower mold base, when the injection mold is used, the left and right first threaded rods can be synchronously driven to rotate through a motor to realize mold opening or mold closing, the first threaded rods have a self-locking function in transmission, so that the mold can be closed more stably, meanwhile, the supporting rods are slidably arranged on a movable plate in a penetrating manner, so that a lifting plate can be stably lifted, the mold is favorable for accurately closing the mold, and meanwhile, a plurality of positioning columns are inserted into corresponding positioning slots during mold closing, so that the mold has a positioning function, the mold closing position can be prevented from deviating, and the mold closing precision is further ensured, the production quality of the product is improved.

Description

Injection mold capable of accurately closing mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold capable of accurately closing a mold.

Background

The injection molding method has the advantages of high production speed, high efficiency and automation operation, and is suitable for the fields of mass production, complex-shaped products and the like.

Injection mold involves mould and lower mould, when using, realizes the injection moulding of mould and takes out through the mode that adopts the mould activity, and current injection mold lacks the locate function at last mould activity in-process, leads to the mould skew easily, influences the mould compound die precision, and the while is inconvenient to realize the synchronous operation of die sinking and liftout, needs to use other power to realize that the product is ejecting, influences efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold capable of accurately closing the mold, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an injection mold capable of accurately closing a mold comprises a base, wherein supporting rods are fixedly connected to corners around the upper end surface of the base, a supporting plate is fixedly connected to the top end of each supporting rod, a first threaded rod is rotatably mounted on each of the left side and the right side of the upper end surface of the base, the top end of each first threaded rod extends out of the upper portion of the corresponding supporting plate in a rotating mode, gears are fixedly connected to the top ends of the first threaded rods, a chain is connected between the gears on the left side and the right side, a movable plate is rotatably connected to the outer surface threads of each first threaded rod, the supporting rods on the front side and the rear side are slidably arranged on the corresponding movable plate in a penetrating mode, a driven gear is fixedly sleeved on the outer surface of the first threaded rod on the left side, a motor is fixedly mounted on the upper end surface of the supporting plate, a driven gear is fixedly connected to the output end of the motor, the driving gear is meshed with the driven gear, and a lifting plate is fixedly connected between the movable plates on the left side and the right side, the bottom face of the lifting plate is fixedly connected with an upper die base, a lower die base is arranged right below the upper die base, connecting plates are fixedly connected to the left side and the right side of the bottom face of the lower die base respectively, the bottom face of each connecting plate is fixedly connected with the upper end face of the corresponding base, a plurality of positioning columns are fixedly connected to the upper end face of the lower die base, and positioning slots corresponding to the positioning columns are formed in the bottom face of the upper die base.

Preferably, the outer surface of the supporting rod is sleeved with a spring, one end of the spring is fixedly connected with the bottom end face of the moving plate, and the other end of the spring is fixedly connected with the upper end face of the base.

Preferably, the equal fixedly connected with rack in bottom face left and right sides of lifter plate rotates between the connecting plate on left and right sides and installs the second threaded rod, the equal fixedly connected with rotating gear in both ends of second threaded rod, the equal screw thread in surface left and right sides of second threaded rod has connect the slider soon, the inside bottom end in the shaping chamber of die holder has been seted up and has been pushed away the silo, the bottom face of die holder slides and wears to be equipped with the slide bar, the top fixedly connected with scraping wings of slide bar, the bottom fixedly connected with connecting block of slide bar, the scraping wings is established in the inside shaping intracavity of die holder, the up end of slider articulates there is the one end of connecting rod, the other end and the connecting block of connecting rod are articulated.

Preferably, a guide rod penetrates through the sliding block in a sliding mode, the guide rod is arranged below the second threaded rod, and the left end and the right end of the guide rod are fixedly connected with the opposite sides of the left connecting plate and the right connecting plate respectively.

Preferably, a sealing ring is arranged inside the material pushing groove.

Preferably, the bottom end face of the base is provided with an anti-skid rubber pad.

Compared with the prior art, the utility model has the beneficial effects that: the die is convenient to use and simple to operate, the first threaded rods on the left side and the right side can be synchronously driven to rotate through the motor to realize die opening or die closing, the first threaded rods have a self-locking function in transmission, so that the die can be closed more stably, meanwhile, the supporting rods are slidably arranged on the moving plate in a penetrating mode, so that the lifting plate can be lifted stably, the die is favorable for being accurately closed, and meanwhile, a plurality of positioning columns are inserted into corresponding positioning slots during die closing, so that the die has a positioning function, the die closing position can be prevented from deviating, the die closing precision is further ensured, and the production quality of products is improved; when the die is closed, the rack contacts the rotating gear firstly and drives the rotating gear to rotate, the rotating gear drives the second threaded rod to rotate when rotating, the second threaded rod drives the left and right sliders to move away from each other when rotating, the left and right sliders are pulled to move downwards through the connecting rod when moving away from each other, so that the material pushing plate can move to the inside of the material pushing groove, when the die is opened, the rack moves upwards, the rack drives the rotating gear to rotate reversely, the second threaded rod rotates reversely, so that the left and right sliders move relatively, and the left and right sliders drive the material pushing plate to move upwards through the connecting rod when moving relatively, so that a product is pushed out.

Drawings

FIG. 1 is a schematic front sectional view of a main structure of an injection mold capable of precisely closing the mold;

FIG. 2 is a schematic sectional view of a main structure of an injection mold capable of being precisely closed;

FIG. 3 is a left side view of a main structure of an injection mold capable of precisely closing the mold;

fig. 4 is an enlarged schematic view of a structure a in fig. 1 of an injection mold capable of precisely closing the mold.

In the figure: 1-base, 2-connecting plate, 3-rotating gear, 4-spring, 5-sealing ring, 6-supporting rod, 7-rack, 8-upper die base, 9-first threaded rod, 10-motor, 11-chain, 12-lifting plate, 13-supporting plate, 14-moving plate, 15-positioning slot, 16-positioning column, 17-material pushing plate, 18-lower die base, 19-connecting block, 20-connecting rod, 21-second threaded rod, 22-guide rod, 23-sliding block and 24-material pushing groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: an injection mold capable of accurately closing a mold comprises a base 1, wherein supporting rods 6 are fixedly connected to corners around the upper end surface of the base 1, supporting plates 13 are fixedly connected to the top ends of the supporting rods 6, first threaded rods 9 are rotatably mounted on the left side and the right side of the upper end surface of the base 1, the top ends of the first threaded rods 9 extend out of the upper portions of the supporting plates 13 in a rotating mode, gears are fixedly connected to the top ends of the first threaded rods 9, chains 11 are connected between the gears on the left side and the right side, movable plates 14 are rotatably connected to outer surface threads of the first threaded rods 9, the supporting rods 6 on the front side and the rear side are slidably arranged on the corresponding movable plates 14, driven gears are fixedly sleeved on the outer surfaces of the first threaded rods 9 on the left side, a motor 10 is fixedly mounted on the upper end surface of the supporting plates 13, a driven gear is fixedly connected to the output end of the motor 10, and a driving gear is meshed with the driven gear, a lifting plate 12 is fixedly connected between the left and right moving plates 14, an upper die base 8 is fixedly connected to the bottom end face of the lifting plate 12, a lower die base 18 is arranged right below the upper die base 8, the left and right sides of the bottom end face of the lower die base 18 are fixedly connected with a connecting plate 2, the bottom end face of the connecting plate 2 is fixedly connected with the upper end face of the base 1, a plurality of positioning columns 16 are fixedly connected to the upper end face of the lower die base 18, and positioning slots 15 corresponding to the positioning columns 16 are formed in the bottom end face of the upper die base 8.

When the die is required to be closed, the motor 10 is started, the motor 10 works to drive the driving gear to rotate, because the driving gear is meshed with the driven gear, and because the gears on the left side and the right side are connected through the chain 11, therefore, when the motor 10 works, the first threaded rods 9 on the left side and the right side are synchronously driven to rotate, when the first threaded rods 9 rotate, the movable plate 14 and the lifting plate 12 are driven to move downwards, the upper die base 8 and the lower die base 18 are matched, the first threaded rods 9 have a self-locking function in transmission, so that the closing of the die is more stable, meanwhile, the support rod 6 is slidably arranged on the moving plate 14 in a penetrating way, so that the lifting plate 12 can be lifted stably, the mould can be closed accurately, meanwhile, when the mold is closed, the positioning columns 16 are inserted into the corresponding positioning slots 15, so that the mold has a positioning function, the mold closing position can be prevented from deviating, the mold closing precision is further ensured, and the product production quality is improved.

The outer surface of the supporting rod 6 is sleeved with a spring 4, one end of the spring 4 is fixedly connected with the bottom end face of the moving plate 14, and the other end of the spring 4 is fixedly connected with the upper end face of the base 1.

When the lifting plate 12 moves downwards, the spring 4 is compressed, and the mould opening is facilitated under the action of the spring 4 when the mould is opened.

The equal fixedly connected with rack 7 in bottom face left and right sides of lifter plate 12 rotates between the connecting plate 2 on left and right sides and installs second threaded rod 21, the equal fixedly connected with slewing gear 3 in both ends of second threaded rod 21, the equal screw thread in the surface left and right sides of second threaded rod 21 has connect slider 23 soon, the inside shaping intracavity in die holder 18 has been seted up and has been pushed away silo 24, the bottom face of die holder 18 slides and wears to be equipped with the slide bar, the top fixedly connected with scraping wings 17 of slide bar, the bottom fixedly connected with connecting block 19 of slide bar, scraping wings 17 establishes in the inside shaping intracavity of die holder 18, the up end of slider 23 articulates the one end that has connecting rod 20, the other end and the connecting block 19 of connecting rod 20 are articulated.

When the die is closed, the rack 7 firstly contacts the rotating gear 3 and drives the rotating gear 3 to rotate, the rotating gear 3 drives the second threaded rod 21 to rotate when rotating, the second threaded rod 21 drives the left and right slide blocks 23 to move away from each other when rotating, the left and right slide blocks 23 pull the connecting block 19 to move downwards through the connecting rod 20 when moving away from each other, so that the material pushing plate 17 moves to the inside of the material pushing groove 24, when the mould is opened, the rack 7 moves upwards, the rack 7 drives the rotating gear 3 to rotate reversely, the second threaded rod 21 rotates reversely, so that the left and right sliding blocks 23 will move relatively, and the left and right sliding blocks 23 will drive the material pushing plate 17 to move upwards through the connecting rod 20 when moving relatively, thereby release the product, this mould makes things convenient for the synchronous operation of die sinking and liftout simultaneously, need not use other power to realize that the product is ejecting, the manufacturing cost of saving.

The guide rod 22 penetrates through the sliding block 23 in a sliding mode, the guide rod 22 is arranged below the second threaded rod 21, and the left end and the right end of the guide rod 22 are fixedly connected with the opposite sides of the left connecting plate 2 and the right connecting plate 2 respectively.

The guide rod 22 is arranged to guide and limit the left and right movement of the sliding block 23

The inside of pushing away silo 24 is provided with sealing washer 5, and the sealing washer 5 of setting is used for avoiding the raw materials of moulding plastics to spill.

The bottom end face of the base 1 is provided with an anti-skid rubber pad.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides an injection mold that can accurate compound die, includes base (1), its characterized in that: the all-around corner of the upper end face of the base (1) is fixedly connected with supporting rods (6), the top end of each supporting rod (6) is fixedly connected with a supporting plate (13), the left side and the right side of the upper end face of the base (1) are respectively rotatably provided with a first threaded rod (9), the top end of each first threaded rod (9) is rotatably extended out of the upper portion of each supporting plate (13), the top end of each first threaded rod (9) is fixedly connected with a gear, a chain (11) is connected between the gears on the left side and the right side, the outer surface threads of the first threaded rods (9) are rotatably connected with a movable plate (14), the supporting rods (6) on the front side and the rear side are respectively slidably arranged on the corresponding movable plates (14), a driven gear is fixedly sleeved on the outer surface of the left first threaded rod (9), a motor (10) is fixedly arranged on the upper end face of each supporting plate (13), and a driven gear is fixedly connected with the output end of the motor (10), the driving gear is meshed with the driven gear, a lifting plate (12) is fixedly connected between the moving plates (14) on the left side and the right side, an upper die base (8) is fixedly connected to the bottom end face of the lifting plate (12), a lower die base (18) is arranged under the upper die base (8), a connecting plate (2) is fixedly connected to the left side and the right side of the bottom end face of the lower die base (18), the bottom end face of the connecting plate (2) is fixedly connected with the upper end face of the base (1), a plurality of positioning columns (16) are fixedly connected to the upper end face of the lower die base (18), and positioning slots (15) corresponding to the positioning columns (16) are formed in the bottom end face of the upper die base (8).

2. The injection mold capable of being precisely matched according to claim 1, wherein: the outer surface of the supporting rod (6) is sleeved with a spring (4), one end of the spring (4) is fixedly connected with the bottom end face of the moving plate (14), and the other end of the spring (4) is fixedly connected with the upper end face of the base (1).

3. The injection mold capable of being precisely matched according to claim 2, wherein: the left side and the right side of the bottom end surface of the lifting plate (12) are both fixedly connected with racks (7), a second threaded rod (21) is rotatably arranged between the connecting plates (2) on the left side and the right side, both ends of the second threaded rod (21) are fixedly connected with rotating gears (3), the left side and the right side of the outer surface of the second threaded rod (21) are both screwed with a sliding block (23), a material pushing groove (24) is arranged at the inner bottom end of the inner forming cavity of the lower die base (18), a sliding rod is slidably arranged on the bottom end surface of the lower die seat (18), a material pushing plate (17) is fixedly connected to the top end of the sliding rod, a connecting block (19) is fixedly connected to the bottom end of the sliding rod, the material pushing plate (17) is arranged in an inner forming cavity of the lower die base (18), the upper end face of the sliding block (23) is hinged with one end of a connecting rod (20), and the other end of the connecting rod (20) is hinged with the connecting block (19).

4. The injection mold capable of being precisely matched according to claim 3, wherein: and a guide rod (22) is arranged on the sliding block (23) in a sliding and penetrating manner, the guide rod (22) is arranged below the second threaded rod (21), and the left end and the right end of the guide rod (22) are respectively fixedly connected with the opposite sides of the left side and the right side of the connecting plate (2).

5. The injection mold capable of being precisely matched according to claim 4, wherein: and a sealing ring (5) is arranged in the material pushing groove (24).

6. The injection mold capable of being precisely matched according to claim 5, wherein: the bottom end face of the base (1) is provided with an anti-skid rubber pad.