CN215472704U

CN215472704U - Anti-leakage injection mold

Info

Publication number: CN215472704U
Application number: CN202120301530.5U
Authority: CN
Inventors: 竺艳晨
Original assignee: Hengyisheng Mould Injection Huizhou Co ltd
Current assignee: Hengyisheng Mould Injection Huizhou Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2022-01-11
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses an anti-leakage injection mold, which comprises a bottom plate, wherein support plates are fixedly connected to the left side and the right side of the top of the bottom plate, a top plate is fixedly connected to the top of each support plate, a lower pipe in an injection mechanism is screwed into an injection opening, the lower half part of an upper pipe is inserted into the lower pipe, an insert block on the outer surface of the upper pipe is inserted into a groove of the lower pipe, and only the upper pipe needs to be rotated rightwards until a first clamping block is clamped into a first clamping groove, then material injection is carried out, so that the material falls into the lower pipe from the upper pipe and then into the injection opening when the material injection is carried out, the material cannot leak, the replacement and cleaning are convenient, when the material needs to be taken out, a motor rotates a gear to rotate a threaded sleeve, so that a screw rod drives an upper mold under a fixed frame to move upwards, the processed material is convenient to take out, and the motor reversely rotates when the mold is closed, so that the structure is simple, economical and practical, and the uniform rotation of the motor enables the die sinking to be stable and fast.

Description

Anti-leakage injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to an anti-leakage injection mold.

Background

The injection mold is a tool for producing injection products and comprises a movable mold and a fixed mold, wherein the movable mold and the fixed mold are closed to form a pouring system and a cavity during injection molding, the movable mold and the fixed mold are separated during mold opening so as to take out plastic products, when small products with complex structures are injected, the mold can be filled with large injection pressure due to complex mechanisms and small bodies, and high pressure puts higher requirements on the integral sealing of the mold.

However, in the prior art, materials leak out from a gap between the sprue and the injection molding opening in the injection molding process, so that serious waste is caused, the leakage cannot be found, the production quality is influenced, in the production and processing, the mold opening treatment is required after the injection molding is finished, and part of large molds have heavier mass, larger volume and difficult mold opening.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an anti-leakage injection mold, and solves the problems of easy leakage and difficult mold opening during feeding.

In order to solve the technical problems, the technical scheme of the utility model is as follows: an anti-leakage injection mold comprises a bottom plate, wherein support plates are fixedly connected with the left side and the right side of the top of the bottom plate, the top of the support plate is fixedly connected with a top plate, the top of the bottom plate is fixedly connected with a lower die, the left side of the top plate is fixedly connected with a plane ball bearing, the top of the plane ball bearing is fixedly connected with a threaded sleeve, the right side of the top plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a gear, the gear is engaged with the threaded sleeve, the internal thread of the threaded sleeve is connected with a screw rod, the bottom end of the screw rod penetrates through the plane ball bearing and the base and is fixedly connected with the inside of the ball bearing, the bottom of the ball bearing is fixedly connected with a fixed frame, the bottom of the fixed frame is fixedly connected with an upper die, the top of the upper die is provided with an injection molding opening, and the inner thread of the injection molding opening is connected with an injection mechanism.

Preferably, the injection mechanism includes the low tube with a threaded connection that moulds plastics, the inner wall fixedly connected with fixed block of low tube, the left side of fixed block is seted up flutedly, first draw-in groove has been seted up on the right side of the inside bottom side of recess, the top of low tube is equipped with the top tube, the surface bottom fixedly connected with inserted block of top tube, the first fixture block of bottom right side fixedly connected with of inserted block, and first fixture block is corresponding with first draw-in groove, the top tube is through first fixture block and first draw-in groove and low tube joint.

Preferably, the first sealing ring is arranged at the joint of the upper pipe and the lower pipe, and three groups of fixing blocks fixedly connected with the inner wall of the lower pipe are fixedly connected.

Preferably, the lower half part of the injection molding opening is of a conical structure, and a second sealing ring is fixedly connected to the outer side of the top of the injection molding opening.

Preferably, the second clamping groove is formed in the left side and the right side of the bottom of the upper die, the second clamping block is fixedly connected to the left side and the right side of the top of the lower die, the second clamping block corresponds to the second clamping groove, and the sealing gasket is fixedly connected to the inner wall of the second clamping groove and the outer surface of the second clamping block.

Preferably, the height of the insert block is half of the height of the groove, and the height of the first fixture block is half of the height of the groove.

Adopt above-mentioned technical scheme, because the low tube among the injection mechanism is twisted into the inside of moulding plastics the mouth, insert the inside of low tube with the lower half of upper tube, the inserted block of upper tube surface inserts in the recess of low tube, only need rotate right, wait to first fixture block card go into first draw-in groove, annotate the material again, twist injection mechanism during the washing and turn down can, make when annotating the material, the material drops to intraductal from the upper tube to the lower tube, drop to moulding plastics in the mouth again, the material can not take place to leak, it is comparatively convenient to change and wash, because when needing to take out article, motor running gear makes the thread bush rotate, thereby the screw rod drives the last mould rebound under the mount, be convenient for take out the article that the processing was accomplished, make during the compound die motor reverse rotation can, simple structure, economical and practical, the even velocity of motor rotates and makes the die sinking stable swift.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the injection part of the present invention;

fig. 3 is an enlarged view of the structure of part a in fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. a top plate; 4. a lower die; 5. a flat ball bearing; 6. a threaded sleeve; 7. a motor; 8. A gear; 9. a screw; 10. a ball bearing; 11. a fixed mount; 12. an injection molding port; 13. an injection mechanism; 1301. a lower pipe; 1302. A fixed block; 1303. a groove; 1304. a first card slot; 1305. feeding a pipe; 1306. inserting a block; 1307. a first clamping block; 1308. A first seal ring; 14. a second seal ring; 15. a second card slot; 16. a second fixture block; 17. and (4) an upper die.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

According to the description of fig. 1-3: an anti-leakage injection mold comprises a bottom plate 1, wherein support plates 2 are fixedly connected to the left side and the right side of the top of the bottom plate 1, a top plate 3 is fixedly connected to the tops of the support plates 2, a lower mold 4 is fixedly connected to the top of the bottom plate 1, a flat ball bearing 5 is fixedly connected to the left side of the top plate 3, a threaded sleeve 6 is fixedly connected to the top of the flat ball bearing 5, a motor 7 is fixedly connected to the right side of the top plate 3, a gear 8 is fixedly connected to the output end of the motor 7, the gear 8 is meshed with the threaded sleeve 6, a screw rod 9 is connected to the inner thread of the threaded sleeve 6, the bottom end of the screw rod 9 penetrates through the flat ball bearing 5 and a base and is fixedly connected to the inside of the ball bearing 10, a fixing frame 11 is fixedly connected to the bottom of the ball bearing 10, and an upper mold 17 is fixedly connected to the bottom of the fixing frame 11, the top of the upper mold 17 is provided with an injection molding opening 12, and the injection molding opening 12 is connected with an injection mechanism 13 through threads inside.

Because the injection mechanism 13 comprises a lower pipe 1301 in threaded connection with the injection port 12, a fixed block 1302 is fixedly connected to the inner wall of the lower pipe 1301, a groove 1303 is formed in the left side of the fixed block 1302, a first clamping groove 1304 is formed in the right side of the bottom side inside the groove 1303, an upper pipe 1305 is arranged at the top of the lower pipe 1301, an insertion block 1306 is fixedly connected to the bottom of the outer surface of the upper pipe 1305, a first clamping block 1307 is fixedly connected to the right side of the bottom of the insertion block 1306, the first clamping block 1307 corresponds to the first clamping groove 1304, the upper pipe 1305 is clamped with the lower pipe 1301 through the first clamping block 1307 and the first clamping groove 1304, the lower pipe 1301 in the injection mechanism 13 is screwed into the injection port 12, the lower half of the upper pipe 1305 is inserted into the lower pipe 1301, the insertion block 1306 on the outer surface of the upper pipe 1305 is inserted into the groove 1303 of the lower pipe 1301, only the upper pipe 1305 needs to be turned right until the first clamping block 1307 is clamped into the first clamping groove 1304, and then the material is injected, and the injection mechanism 13 is screwed down during cleaning, so that the material cannot leak, and the replacement and cleaning are also convenient.

Because the first sealing ring 1308 is arranged at the joint of the upper pipe 1305 and the lower pipe 1301, and three groups of fixing blocks 1302 fixedly connected with the inner wall of the lower pipe 1301 are fixedly connected, the stability of clamping the upper pipe 1305 and the lower pipe 1301 can be ensured, the sealing performance of the injection mechanism 13 is stronger due to the arrangement of the first sealing ring 1308, and the possibility of material leakage is reduced.

Because the lower half of mouth 12 of moulding plastics is the toper structure, the top outside fixedly connected with second sealing washer 14 of mouth 12 of moulding plastics, so the material collides the toper structure when falling into mouth 12 of moulding plastics, alleviates certain cushion effect, reduces the collision that takes place when falling to bed die 4, better protection bed die 4, and the establishment of second sealing washer 14 makes the junction leakproofness of injection mechanism 13 and mouth 12 of moulding plastics stronger, reduces the possibility that the material permeates.

Because the second clamping grooves 15 are formed in the left side and the right side of the bottom of the upper die 17, the second clamping blocks 16 are fixedly connected to the left side and the right side of the top of the lower die 4, the second clamping blocks 16 correspond to the second clamping grooves 15, and the inner walls of the second clamping grooves 15 and the outer surfaces of the second clamping blocks 16 are fixedly connected with sealing gaskets, so that the upper die 17 and the lower die 4 are not prone to deviation when the dies are assembled, and the sealing gaskets are arranged to further enhance the sealing performance.

Because the height of the inserting block 1306 is half of the height of the groove 1303, and the height of the first fixture block 1307 is half of the height of the groove 1303, the first fixture block 1307 is clamped with the first clamping groove 1304 more firmly, and cannot slide out of the groove 1303 due to the impact of materials.

The working principle of the anti-leakage injection mold provided by the embodiment of the utility model is as follows: firstly, the lower pipe 1301 of the injection mechanism 13 is screwed into the injection port 12, the lower half part of the upper pipe 1305 is inserted into the lower pipe 1301, the insertion block 1306 on the outer surface of the upper pipe 1305 is inserted into the groove 1303 of the lower pipe 1301, only rightward rotation is needed, the first clamping block 1307 is clamped into the first clamping groove 1304, then material is injected from the upper pipe 1305, the material falls into the lower pipe 1301 from the upper pipe 1305 and then falls into the injection port 12, the material is not leaked, the injection mechanism 13 is screwed down during cleaning, the injection port 12 and the injection mechanism 13 are convenient to replace and clean, when the article needs to be taken out, the motor 7 rotates the gear 8 to rotate the threaded sleeve 6, so that the screw 9 drives the upper die 17 under the fixing frame 11 to move upwards, the processed article can be taken out conveniently, the motor 7 can rotate reversely when the die is closed, make simple structure, economical and practical, the at the uniform velocity of motor 7 rotates and makes this device die sinking stable swift.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. An anti-leakage injection mold is characterized by comprising a bottom plate, wherein support plates are fixedly connected with the left side and the right side of the top of the bottom plate, the top of the support plate is fixedly connected with a top plate, the top of the bottom plate is fixedly connected with a lower die, the left side of the top plate is fixedly connected with a plane ball bearing, the top of the plane ball bearing is fixedly connected with a threaded sleeve, the right side of the top plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a gear, the gear is engaged with the threaded sleeve, the internal thread of the threaded sleeve is connected with a screw rod, the bottom end of the screw rod penetrates through the plane ball bearing and the base and is fixedly connected with the inside of the ball bearing, the bottom of the ball bearing is fixedly connected with a fixed frame, the bottom of the fixed frame is fixedly connected with an upper die, the top of the upper die is provided with an injection molding opening, and the inner thread of the injection molding opening is connected with an injection mechanism.

2. The anti-leakage injection mold according to claim 1, wherein the injection mechanism comprises a lower pipe in threaded connection with the injection port, a fixed block is fixedly connected to an inner wall of the lower pipe, a groove is formed in a left side of the fixed block, a first clamping groove is formed in a right side of a bottom side inside the groove, an upper pipe is arranged at a top of the lower pipe, an insert block is fixedly connected to a bottom of an outer surface of the upper pipe, a first clamping block is fixedly connected to a right side of a bottom of the insert block, the first clamping block corresponds to the first clamping groove, and the upper pipe is clamped with the lower pipe through the first clamping block and the first clamping groove.

3. The anti-leakage injection mold according to claim 2, wherein the first sealing ring is disposed at the joint of the upper tube and the lower tube, and three sets of fixing blocks fixedly connected to the inner wall of the lower tube are fixedly connected to the fixing blocks.

4. The anti-leakage injection mold according to claim 1, wherein the lower half portion of the injection port is of a tapered structure, and a second sealing ring is fixedly connected to the outer side of the top of the injection port.

5. The anti-leakage injection mold according to claim 1, wherein the upper mold has second clamping grooves formed on the left and right sides of the bottom, the lower mold has second clamping blocks fixedly connected to the left and right sides of the top, the second clamping blocks correspond to the second clamping grooves, and the inner wall of the second clamping groove and the outer surface of the second clamping block are both fixedly connected with sealing gaskets.

6. The injection mold for preventing leakage of claim 2, wherein the height of said insert is one half of the height of said groove, and the height of said first engaging piece is one half of the height of said groove.