CN217293244U

CN217293244U - Butt joint leakage-proof mechanism for injection molding machine

Info

Publication number: CN217293244U
Application number: CN202220694034.5U
Authority: CN
Inventors: 陈小勇; 张宁; 孙朝阳; 王进龙; 董德
Original assignee: Weihai Ruimu Precision Technology Co ltd
Current assignee: Weihai Ruimu Precision Technology Co ltd
Priority date: 2022-03-27
Filing date: 2022-03-27
Publication date: 2022-08-26
Anticipated expiration: 2032-03-27

Abstract

The utility model relates to the technical field of injection molding machines, in particular to a butt joint leakage-proof mechanism for an injection molding machine, which comprises a runner bushing, wherein a hot runner is arranged in the runner bushing, the right end of the runner bushing is fixedly connected with a fixed block, a jack is arranged in the fixed block, a conical groove is arranged at the right end of the jack, a nozzle is inserted in the jack, the left end of the nozzle is inserted in the hot runner, a conical sealing sleeve is sleeved outside the nozzle, the right end of the conical sealing sleeve is fixedly connected with a conical ring, the conical ring and the conical sealing sleeve are both inserted in the conical groove, the right end of the conical ring is fixedly connected with a fixed ring, the fixed ring is connected with the fixed block through a connecting mechanism, the front end and the rear end of the fixed block are both provided with threaded holes, and one end of the threaded hole, which is close to the nozzle, is provided with a square groove which runs through the interior of the jack; it can be fixed the nozzle, has improved the stability fixed to the nozzle, avoids the nozzle not hard up.

Description

Butt joint leakage-proof mechanism for injection molding machine

Technical Field

The utility model relates to an injection molding machine technical field specifically is a butt joint leak protection mechanism for injection molding machine.

Background

An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding apparatus for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes using a plastic molding die, and the existing injection molding machine pushes molten plastics into a mold cavity through a nozzle.

Through retrieval, the utility model with the Chinese patent number of CN212288435U discloses a butt joint leakage-proof structure for an injection molding machine, which comprises a butt joint leakage-proof structure main body, wherein one end of the butt joint leakage-proof structure main body is provided with an injection device, the butt joint leakage-proof structure main body is provided with a mold, the injection device is provided with a nozzle, a second butt joint block is sleeved outside the nozzle, the mold is provided with an injection port, the outer side of the injection port is provided with a first butt joint block, the nozzle is matched with the injection port, and the first butt joint block and the second butt joint block are both in a cylindrical structure; when the nozzle fixing device is used, the first butt joint block and the second butt joint block are connected through attraction of the magnetic block and the magnet, the effect of fixing the nozzle is poor, and the phenomenon that molten plastic leaks due to the fact that the nozzle is easy to loosen is caused.

Disclosure of Invention

Not enough to prior art, the utility model provides an injection molding machine is with butt joint leak protection mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a butt joint leakage-proof mechanism for an injection molding machine comprises a runner bushing, a hot runner is arranged in the runner bushing, a fixed block is fixedly connected with the right end of the runner bushing, an insertion hole is formed in the fixed block, a conical groove is formed in the right end of the insertion hole, a nozzle is inserted into the insertion hole, the left end of the nozzle is inserted into the hot runner, a conical sealing sleeve is sleeved outside the nozzle, a conical ring is fixedly connected with the right end of the conical sealing sleeve, the conical ring and the conical sealing sleeve are inserted into the conical groove, a fixing ring is fixedly connected with the right end of the conical ring and is connected with the fixed block through a connecting mechanism, threaded holes are formed in the front end and the rear end of the fixed block, a square groove penetrating into the insertion hole is formed in one end, close to the nozzle, of the threaded holes, a square block is arranged in the square groove in a sliding mode, and a rubber column is fixedly connected with one end, close to the nozzle, of the square block, the one end that the square was kept away from to the rubber column contacts with the lateral wall of nozzle, and the inside threaded connection of screw hole has set screw, and set screw rotates with the square to be connected.

For make solid fixed ring and fixed block fixed connection convenient, coupling mechanism includes picture peg and clamp plate, the right-hand member upside and the right-hand member downside of fixed block all are provided with the slot, the right-hand member of picture peg and solid fixed ring's left end fixed connection, the picture peg inserts to the inside of slot, and the one end of keeping away from the jack of picture peg is provided with a plurality of first fixed teeth, and the top of slot is provided with the spout, clamp plate and spout sliding fit, the clamp plate are close to a plurality of second fixed teeth of the one end fixedly connected with of picture peg, and the top of clamp plate is connected with a plurality of compression spring and pull rod, and the pull rod is kept away from the one end of clamp plate and is extended to the outside of fixed block.

In order to facilitate the pulling of the pull rod to move, one end of the pull rod, which is far away from the pressing plate, is fixedly connected with a pulling plate.

In order to rotate the fixing screw rod conveniently, one end of the fixing screw rod extending to the outside of the fixing block is fixedly connected with a rotating sleeve.

In order to facilitate the rotation of the rotating sleeve, anti-skid grains are arranged outside the rotating sleeve.

In order to improve the sealing performance between the conical ring and the fixing block, a rubber sleeve is fixedly sleeved outside the conical ring.

Compared with the prior art, the utility model provides a butt joint leak protection mechanism for injection molding machine possesses following beneficial effect:

1. this butt joint leak protection mechanism for injection molding machine can make toper ring and toper seal cover insert to the inside of bell jar through coupling mechanism, extrudees the toper seal cover through the bell jar, makes the toper seal cover extrude the nozzle, makes nozzle and fixed block sealing connection, avoids the molten plastics to spill.

2. This butt joint leak protection mechanism for injection molding machine through rotating clamping screw, makes square and rubber column remove to the inside of jack, extrudees the nozzle fixedly through the rubber column, has improved the stability fixed to the nozzle, avoids the nozzle not hard up.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

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

FIG. 3 is a front view of the cross-sectional structure of the present invention;

fig. 4 is a schematic diagram of a partial enlarged structure at a in fig. 3 according to the present invention.

The symbols in the drawings illustrate that:

1. a flow passage bushing; 2. a fixed block; 3. a nozzle; 4. a conical sealing sleeve; 5. a conical ring; 6. a fixing ring; 7. a square block; 8. a rubber column; 9. fixing the screw rod; 10. inserting plates; 11. pressing a plate; 12. first stationary teeth; 13. second fixed teeth; 14. a compression spring; 15. a pull rod; 16. pulling a plate; 17. rotating the sleeve; 18. anti-skid lines; 19. a rubber sleeve.

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.

Example (b):

referring to fig. 1-4, a butt joint leakage-proof mechanism for an injection molding machine comprises a runner liner 1, a hot runner is arranged inside the runner liner 1, a fixed block 2 is fixedly connected to the right end of the runner liner 1, an insertion hole is arranged inside the fixed block 2, a conical groove is arranged at the right end of the insertion hole, a nozzle 3 is inserted inside the insertion hole, the left end of the nozzle 3 is inserted into the hot runner, a conical seal sleeve 4 is sleeved outside the nozzle 3, a conical ring 5 is fixedly connected to the right end of the conical seal sleeve 4, the conical ring 5 and the conical seal sleeve 4 are both inserted into the conical groove, a rubber sleeve 19 is fixedly sleeved outside the conical ring 5 to improve the sealing property between the conical ring 5 and the fixed block 2, a fixed ring 6 is fixedly connected to the right end of the conical ring 5, the fixed ring 6 is connected with the fixed block 2 through a connecting mechanism, and threaded holes are arranged at the front end and the rear end of the fixed block 2, one end of the threaded hole close to the nozzle 3 is provided with a square groove penetrating into the jack, the square groove is internally provided with a square block 7 in a sliding manner, one end of the square block 7 close to the nozzle 3 is fixedly connected with a rubber column 8, the rubber column 8 is in sealing connection with the square groove, one end of the rubber column 8 far away from the square block 7 is in contact with the outer side wall of the nozzle 3, the threaded hole is internally and threadedly connected with a fixed screw 9, the fixed screw 9 is rotatably connected with the square block 7, one end of the fixed screw 9 extending to the outside of the fixed block 2 is fixedly connected with a rotating sleeve 17 so as to facilitate the rotation of the fixed screw 9, the outer part of the rotating sleeve 17 is provided with anti-skidding threads 18 so as to increase the friction force on the surface of the rotating sleeve 17 and facilitate the rotation of the rotating sleeve 17, the conical ring 5 and the conical sealing sleeve 4 can be inserted into the conical groove through a connecting mechanism, the conical sealing sleeve 4 is extruded through the conical groove so as to extrude the nozzle 3, make nozzle 3 and fixed block 2 sealing connection, avoid molten plastics to spill, through rotating clamping screw 9, make square 7 and rubber column 8 remove to the inside of jack, extrude fixedly nozzle 3 through rubber column 8, improved the stability fixed to nozzle 3, avoid nozzle 3 not hard up.

It should be further noted that the connecting mechanism includes an inserting plate 10 and a pressing plate 11, slots are respectively disposed on the upper side and the lower side of the right end of the fixed block 2, the right end of the inserting plate 10 is fixedly connected with the left end of the fixed ring 6, the inserting plate 10 is inserted into the slots, one end of the inserting plate 10, which is far away from the insertion holes, is provided with a plurality of first fixed teeth 12, the top end of the slots is provided with a sliding groove, the pressing plate 11 is in sliding fit with the sliding groove, one end of the pressing plate 11, which is close to the inserting plate 10, is fixedly connected with a plurality of second fixed teeth 13, the top end of the pressing plate 11 is connected with a plurality of compression springs 14 and a pull rod 15, one end of the pull rod 15, which is far away from the pressing plate 11, extends to the outside of the fixed block 2, one end of the pull rod 15, which is far away from the pressing plate 11, is fixedly connected with a pull plate 16, which is convenient for pulling the pull rod 15 to move, so as to insert the inserting plate 10 into the slots, the inserting plate 11 is pushed by the plurality of compression springs 14 to move to one side, the inserting plate 10 is fixed by the cooperation of the plurality of the first fixed teeth 12 and the second fixed teeth 13, the fixing ring 6 is fixedly connected with the fixing block 2, the pressure plate 11 moves to one side far away from the inserting plate 10 by pulling the pull rod 15, the first fixing teeth 12 are separated from the second fixing teeth 13, the inserting plate 10 is convenient to pull out from the inside of the slot, and the fixing ring 6 is convenient to detach.

When the injection molding machine is used, firstly, the nozzle 3 is inserted into the conical sealing sleeve 4, then the conical sealing sleeve 4 and the conical ring 5 are inserted into the conical groove, the nozzle 3 is inserted into the hot runner, meanwhile, the insert plate 10 is inserted into the slot, the pressure plate 11 is pushed by the compression springs 14 to move towards one side close to the insert plate 10, the insert plate 10 is fixed through the matching of the first fixing teeth 12 and the second fixing teeth 13, the fixing ring 6 is fixedly connected with the fixing block 2, then the fixing screw 9 is rotated, the square 7 and the rubber column 8 move towards the inside of the insertion hole, and the nozzle 3 is extruded and fixed through the rubber column 8.

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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through an intermediary, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides an injection molding machine is with butt joint leak protection mechanism, includes runner bush (1), and the inside of runner bush (1) is provided with hot runner, its characterized in that: the right end of the runner bush (1) is fixedly connected with a fixed block (2), an insertion hole is formed in the fixed block (2), a conical groove is formed in the right end of the insertion hole, a nozzle (3) is inserted into the insertion hole, the left end of the nozzle (3) is inserted into a hot runner, a conical sealing sleeve (4) is sleeved outside the nozzle (3), a conical ring (5) is fixedly connected with the right end of the conical sealing sleeve (4), the conical ring (5) and the conical sealing sleeve (4) are both inserted into the conical groove, a fixing ring (6) is fixedly connected with the right end of the conical ring (5), the fixing ring (6) is connected with the fixed block (2) through a connecting mechanism, threaded holes are formed in the front end and the rear end of the fixed block (2), a square groove penetrating through the inner portion of the insertion hole is formed in one end, close to the nozzle (3), a square block (7) is arranged in the square groove in a sliding mode, one end of the square block (7) close to the nozzle (3) is fixedly connected with a rubber column (8), one end, far away from the square block (7), of the rubber column (8) is in contact with the outer side wall of the nozzle (3), the internal thread of the threaded hole is connected with a fixing screw rod (9), and the fixing screw rod (9) is rotatably connected with the square block (7).

2. The butt joint leakage prevention mechanism for the injection molding machine according to claim 1, characterized in that: coupling mechanism includes picture peg (10) and clamp plate (11), the right-hand member upside and the right-hand member downside of fixed block (2) all are provided with the slot, the right-hand member of picture peg (10) and the left end fixed connection of solid fixed ring (6), picture peg (10) insert the inside to the slot, and the one end of keeping away from the jack of picture peg (10) is provided with a plurality of first fixed teeth (12), and the top of slot is provided with the spout, clamp plate (11) and spout sliding fit, clamp plate (11) are close to a plurality of second fixed teeth (13) of one end fixedly connected with of picture peg (10), and the top of clamp plate (11) is connected with a plurality of compression spring (14) and pull rod (15), and the one end that clamp plate (11) were kept away from in pull rod (15) extends to the outside of fixed block (2).

3. The butt joint leakage prevention mechanism for the injection molding machine according to claim 2, characterized in that: one end of the pull rod (15) far away from the pressure plate (11) is fixedly connected with a pull plate (16).

4. The butt joint leakage prevention mechanism for the injection molding machine according to claim 3, characterized in that: and one end of the fixing screw rod (9) extending to the outside of the fixing block (2) is fixedly connected with a rotating sleeve (17).

5. The butt joint leakage prevention mechanism for the injection molding machine as claimed in claim 4, wherein: the outside of the rotary sleeve (17) is provided with anti-skid grains (18).

6. The butt joint leakage prevention mechanism for the injection molding machine according to claim 5, characterized in that: the outside of the conical ring (5) is fixedly sleeved with a rubber sleeve (19).