CN214294292U

CN214294292U - Injection mold capable of improving mold clamping force of mold core in unit area

Info

Publication number: CN214294292U
Application number: CN202023131353.5U
Authority: CN
Inventors: 游加林
Original assignee: Hangzhou Youcheng Mechinery Industrial Co ltd
Current assignee: Hangzhou Youcheng Mechinery Industrial Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-28
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses an improve injection mold of mold core unit area clamping force, including base, die holder and upper die base, the bottom of upper die base and the top swing joint of die holder, be provided with locking mechanism between the both sides of upper die base and the both sides of die holder, locking mechanism includes the fixed plate, the utility model relates to a mould technical field. This improve injection mold of mold core unit area clamping force, include the fixed plate through locking mechanism, when moulding plastics, when outside injection machine applys for mould locking force, overturn the fixed plate downwards, the cardboard passes the fixed plate, the fixed plate adsorbs mutually through the second magnet on first magnet and the die holder, then the cardboard passes the threaded rod once more, fix the threaded rod in cardboard one side through hand nut, fix the cardboard, further lock upper die base and die holder, mold core unit area clamping force has been improved, the mould is strutted when preventing to mould plastics.

Description

Injection mold capable of improving mold clamping force of mold core in unit area

Technical Field

The utility model relates to the technical field of mold, specifically be an improve injection mold of mold core unit area clamping force.

Background

The mould, the industrial production uses injection moulding, blow moulding, extrusion, die-casting or forging forming, smelting, various moulds and tools of the punching press to get the required products, in short, the mould is the tool used for making the shaping article, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the article appearance through the change of the physical state of the shaping material, the name of the "industrial mother" is plain, make the blank become the tool of the finished piece with specific shape and size under the external force, it is used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and the shaping processing of compression moulding or injection moulding of the products such as engineering plastics, rubber, ceramic, etc., the mould has specific outline or cavity shape, use the outline shape with cutting edge to make the blank separate (blank) according to the outline shape, the blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity, and the die generally comprises a movable die and a fixed die (or a male die and a female die), which can be combined or separated.

At present, when the mould is moulded plastics, locking force is relatively poor, and the raw materials can produce the strength that props the mould when pouring into the die cavity with high pressure, leads to the mould to be strutted easily to the raw materials of moulding plastics can flow through the gap, leads to the work piece overlap of moulding plastics, reduces product quality, easily causes economic loss.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an improve injection mold of mold core unit area clamping force has solved that mould locking force is relatively poor, and the raw materials can produce a strength that props the mould when pouring into the die cavity with the high pressure, leads to the mould to be strutted easily to the raw materials of moulding plastics can flow through the gap, leads to the work piece overlap of moulding plastics, reduces product quality, easily causes economic loss's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the injection mold comprises a base, a lower mold base and an upper mold base, wherein the bottom of the upper mold base is movably connected with the top of the lower mold base, and locking mechanisms are arranged between two sides of the upper mold base and two sides of the lower mold base.

Locking mechanism includes the fixed plate, the top of fixed plate is passed through the turning block and is connected with one side rotation of upper die base, one side that the fixed plate is close to the die holder is provided with adsorption apparatus structure, the equal fixedly connected with connecting plate in top of die holder both sides, and one side that the die holder was kept away from to the connecting plate articulates there is the cardboard, the logical groove with cardboard looks adaptation is seted up to the inside of fixed plate, the movable groove has been seted up to the bottom of cardboard, and has the dog through slide rail sliding connection between the both sides of activity inslot wall, the bottom fixedly connected with extension board of dog, the bottom fixedly connected with threaded rod of die holder one side is kept away from to the fixed plate, the through-hole with threaded rod looks adaptation is seted up to the inside of extension board, the surface of threaded rod just is located one side threaded connection that the extension board kept away from the die holder has manual nut.

Preferably, one side of the clamping plate, which is far away from the connecting plate, penetrates through the fixing plate and extends to the outside of the fixing plate, and the bottom of the extending plate penetrates through the clamping plate and extends to the outside of the clamping plate.

Preferably, the adsorption mechanism comprises a first magnet, the fixing plate is close to the bottom of one side of the lower die holder and is provided with a mounting groove, one side of the inner wall of the mounting groove is fixedly connected with one side of the first magnet, the fixing grooves are formed in the two sides of the lower die holder, a second magnet is fixedly connected with one side of the inner wall of the fixing groove, and one side of the inner wall of the fixing groove, away from the inner wall of the fixing groove, of the second magnet is adsorbed with one side of the first magnet, away from the inner wall of the mounting groove.

Preferably, the four corners of the top of the base are fixedly connected with sleeves, the bottoms of the inner walls of the sleeves are movably connected with fixing rods, and the fixing rods are far away from the top plate fixedly connected with one end of each sleeve.

Preferably, the bottom of the top plate is fixedly connected with a base plate, the two sides of the bottom of the base plate are fixedly connected with mounting rods, and the bottom ends of the mounting rods are fixedly connected with the top of the upper die base.

Preferably, the bottom of the lower die holder is fixedly connected with the top of the base, the top of the lower die holder is movably connected with the bottom of the upper die holder, and the bottom of the upper die holder is provided with an upper die cavity.

Preferably, the top of the lower die holder is provided with a lower die cavity matched with the upper die cavity, the top of the upper die holder, which is located at the top of the upper die cavity, is provided with an injection molding hole, and the top of the top plate is fixedly connected with a die handle.

Advantageous effects

The utility model provides an improve injection mold of mold core unit area clamping force. Compared with the prior art, the method has the following beneficial effects:

(1) the injection mold for improving the mold locking force of the mold core in unit area comprises a fixed plate, connecting plates are fixedly connected to the tops of two sides of a lower mold base through a locking mechanism, a clamping plate is hinged to one side, away from the lower mold base, of each connecting plate, a through groove matched with the clamping plate is formed in the fixed plate, a movable groove is formed in the bottom of the clamping plate, a stop block is slidably connected between two sides of the inner wall of the movable groove through a sliding rail, an extension plate is fixedly connected to the bottom of the stop block, a threaded rod is fixedly connected to the bottom of one side, away from the lower mold base, of the fixed plate, a through hole matched with the threaded rod is formed in the extension plate, a manual nut is in threaded connection with the surface of the threaded rod and located on one side, away from the lower mold base, of the fixed plate, an adsorption mechanism is arranged on one side, close to the lower mold base, when injection molding is carried out, an external injection machine applies the mold locking force to the mold, and turns the fixed plate downwards, the cardboard passes the fixed plate, and the fixed plate adsorbs mutually through first magnet and the second magnet on the die holder, and then the cardboard passes the threaded rod once more, fixes the threaded rod in cardboard one side through hand nut, fixes the cardboard, further locks upper die base and die holder, has improved mold core unit area clamping-force, and the mould is strutted when preventing to mould plastics.

(2) This improve injection mold of mold core unit area clamping force, the equal fixedly connected with sleeve in four corners through the base top, and the bottom swing joint of sleeve inner wall has the dead lever, telescopic one end fixedly connected with roof is kept away from to the dead lever, when the upper die base closed with the die holder and moulds plastics, in the dead lever entering sleeve on the base of roof bottom, be convenient for aim at upper die base and die holder for the position of mold core can not produce the skew, and the accuracy is good, has improved the quality of moulding plastics.

Drawings

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

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

FIG. 3 is an enlarged view of a portion of the substrate of FIG. 2;

fig. 4 is a cross-sectional view of the clamping plate structure of the present invention.

In the figure: the die comprises a base 1, a lower die holder 2, an upper die holder 3, a locking mechanism 4, a fixing plate 41, an adsorption mechanism 42, a first magnet 421, a mounting groove 422, a fixing groove 423, a second magnet 424, a connecting plate 43, a clamping plate 44, a through groove 45, a movable groove 46, a stop 47, an extending plate 48, a threaded rod 49, a through hole 410, a manual nut 411, a sleeve 5, a fixing rod 6, a top plate 7, a backing plate 8, a mounting rod 9, an upper die cavity 10, a lower die cavity 11, an injection molding hole 12 and a die handle 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an injection mold for improving the mold clamping force of a mold core in unit area comprises a base 1, a lower mold base 2 and an upper mold base 3, wherein the top of the lower mold base 2 is provided with a lower mold cavity 11 matched with an upper mold cavity 10, the lower mold cavity 11 and the upper mold cavity 10 are combined to form the mold core, the top of the upper mold base 3 and the top of the upper mold cavity 10 are provided with injection molding holes 12, the top of a top plate 7 is fixedly connected with a mold handle 13 and is connected with an external injection molding machine through the mold handle 13, the bottom of the lower mold base 2 is fixedly connected with the top of the base 1, the top of the lower mold base 2 is movably connected with the bottom of the upper mold base 3, the bottom of the upper mold base 3 is provided with the upper mold cavity 10, four corners of the top of the base 1 are fixedly connected with sleeves 5, the bottom of the inner wall of each sleeve 5 is movably connected with a fixing rod 6, the sleeves 5 and the fixing rods 6 are arranged to facilitate the alignment of the upper mold base 3 and the lower mold base 2, so that the position of the mold core cannot deviate, the accuracy is good, one end of the fixing rod 6, which is far away from the sleeve 5, is fixedly connected with a top plate 7, the bottom of the top plate 7 is fixedly connected with a backing plate 8, two sides of the bottom of the backing plate 8 are both fixedly connected with mounting rods 9, the bottom end of the mounting rods 9 is fixedly connected with the top of the upper die base 3, the bottom of the upper die base 3 is movably connected with the top of the lower die base 2, locking mechanisms 4 are arranged between two sides of the upper die base 3 and two sides of the lower die base 2, each locking mechanism 4 comprises a fixing plate 41, the top of the fixing plate 41 is rotatably connected with one side of the upper die base 3 through a rotating block, one side of the fixing plate 41, which is close to the lower die base 2, is provided with an adsorption mechanism 42, each adsorption mechanism 42 comprises a first magnet 421, the bottom of the fixing plate 41, which is close to one side of the lower die base 2, is provided with a mounting groove 422, one side of the inner wall of the mounting groove 422 is fixedly connected with one side of the first magnet 421, two sides of the lower die base 2 are both provided with fixing grooves 423, and one side of the inner wall of the fixing groove 423 is fixedly connected with a second magnet 424, the first magnet 421 and the second magnet 424 are arranged to facilitate positioning of the fixing plate 41, one side of the second magnet 424, which is away from the inner wall of the fixing groove 423, is attracted to one side of the first magnet 421, which is away from the inner wall of the mounting groove 422, the top parts of the two sides of the lower die holder 2 are both fixedly connected with a connecting plate 43, one side of the connecting plate 43, which is away from the lower die holder 2, is hinged with a clamping plate 44, one side of the clamping plate 44, which is away from the connecting plate 43, penetrates through the fixing plate 41 and extends to the outside of the fixing plate 41, the bottom part of the extending plate 48 penetrates through the clamping plate 44 and extends to the outside of the clamping plate 44, the inside of the fixing plate 41 is provided with a through groove 45 matched with the clamping plate 44, the through groove 45 is arranged to enable the clamping plate 44 to pass in and out of the fixing plate 41, the bottom part of the clamping plate 44 is provided with a movable groove 46, and a stop block 47 is slidably connected between the two sides of the inner wall of the movable groove 46, the bottom fixedly connected with of dog 47 extends board 48, and the bottom fixedly connected with threaded rod 49 of die holder 2 one side is kept away from to fixed plate 41, and the through-hole 410 with threaded rod 49 looks adaptation is seted up to the inside of extending board 48, and threaded rod 49 passes through-hole 410 and passes in and out and extend board 48, and threaded rod 49's surface just is located one side threaded connection that extends board 48 and keep away from die holder 2 has manual nut 411, and the part that does not relate to in the device all is the same with prior art or can adopt prior art to realize.

When the injection molding machine is used, the external injection molding machine drives the upper die base 3 to move downwards through the die handle 13 and fix the upper die base 3 and the lower die base 2, the upper die cavity 10 and the lower die cavity 11 are closed to form a die core, meanwhile, the fixing rod 6 at the bottom of the top plate 7 enters the sleeve 5 on the base 1, so that the upper die base 3 is aligned with the lower die base 2, the position of the die core cannot deviate, after the upper die base 3 and the lower die base 2 are closed, the fixing plate 41 is turned downwards, the clamping plate 44 penetrates through the fixing plate 41, the fixing plate 41 is adsorbed to the second magnet 424 on the lower die base 2 through the first magnet 421, then the clamping plate 44 is turned downwards and attached to the fixing plate 41, meanwhile, the extension plate 48 in the clamping plate 44 penetrates through the threaded rod 49 through the through hole 410, the manual nut 411 is screwed on the threaded rod 49, so that the clamping plate 44 and the fixing plate 41 are fixed, the upper die base 3 and the lower die base 2 are further locked, and the die core clamping force per unit area is improved, after the injection molding is completed, the threaded rod 49 is screwed out of the manual nut 411, the clamping plate 44 is turned upwards, the extension plate 48 is pushed into the movable groove 46 of the clamping plate 44, the fixing plate 41 is turned upwards again to be separated from the clamping plate 44, and the upper die base 3 and the lower die base 2 can be separated through an external injection molding machine.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improve injection mold of mold core unit area clamping force, includes base (1), die holder (2) and upper die base (3), its characterized in that: the bottom of the upper die holder (3) is movably connected with the top of the lower die holder (2), and locking mechanisms (4) are arranged between the two sides of the upper die holder (3) and the two sides of the lower die holder (2);

the locking mechanism (4) comprises a fixing plate (41), the top of the fixing plate (41) is rotatably connected with one side of the upper die base (3) through a rotating block, an adsorption mechanism (42) is arranged on one side, close to the lower die base (2), of the fixing plate (41), connecting plates (43) are fixedly connected with the tops of two sides of the lower die base (2), clamping plates (44) are hinged to one sides, far away from the lower die base (2), of the connecting plates (43), through grooves (45) matched with the clamping plates (44) are formed in the fixing plate (41), movable grooves (46) are formed in the bottoms of the clamping plates (44), check blocks (47) are slidably connected between two sides of the inner walls of the movable grooves (46) through sliding rails, extension plates (48) are fixedly connected with the bottoms of the check blocks (47), and threaded rods (49) are fixedly connected with the bottoms, far away from one side of the lower die base (2), of the fixing plate (41), the inside of extension board (48) is seted up with through-hole (410) of threaded rod (49) looks adaptation, the surface of threaded rod (49) just is located one side threaded connection that extension board (48) kept away from lower die holder (2) has manual nut (411).

2. The injection mold for improving the mold clamping force per unit area of the mold core as set forth in claim 1, wherein: the side, far away from the connecting plate (43), of the clamping plate (44) penetrates through the fixing plate (41) and extends to the outside of the fixing plate (41), and the bottom of the extending plate (48) penetrates through the clamping plate (44) and extends to the outside of the clamping plate (44).

3. The injection mold for improving the mold clamping force per unit area of the mold core as set forth in claim 1, wherein: adsorption apparatus constructs (42) including first magnet (421), mounting groove (422) have been seted up to fixed plate (41) near the bottom of die holder (2) one side, and one side of mounting groove (422) inner wall and one side fixed connection of first magnet (421), fixed slot (423) have all been seted up to the both sides of die holder (2), and one side fixedly connected with second magnet (424) of fixed slot (423) inner wall, one side that fixed slot (423) inner wall was kept away from in second magnet (424) adsorbs mutually with one side that mounting groove (422) inner wall was kept away from in first magnet (421).

4. The injection mold for improving the mold clamping force per unit area of the mold core as set forth in claim 1, wherein: the base is characterized in that the four corners of the top of the base (1) are fixedly connected with sleeves (5), the bottoms of the inner walls of the sleeves (5) are movably connected with fixing rods (6), and one end of each fixing rod (6) far away from the corresponding sleeve (5) is fixedly connected with a top plate (7).

5. The injection mold for improving the mold clamping force per unit area of the mold core as set forth in claim 4, wherein: the bottom fixedly connected with backing plate (8) of roof (7), and the equal fixedly connected with installation pole (9) in both sides of backing plate (8) bottom, the bottom of installation pole (9) and the top fixed connection of upper die base (3).

6. The injection mold for improving the mold clamping force per unit area of the mold core as set forth in claim 4, wherein: the bottom of the lower die holder (2) is fixedly connected with the top of the base (1), the top of the lower die holder (2) is movably connected with the bottom of the upper die holder (3), and the bottom of the upper die holder (3) is provided with an upper die cavity (10).

7. The injection mold for improving the mold clamping force per unit area of the mold core as set forth in claim 6, wherein: the die comprises a lower die base (2), an upper die cavity (10), an upper die cavity (11), an injection molding hole (12), and a top plate (7), wherein the upper die cavity (10) is matched with the lower die cavity (11) is formed in the top of the lower die base (2), the top of the upper die base (3) is positioned at the top of the upper die cavity (10), and a die handle (13) is fixedly connected to the top of the top plate (7).