CN113211718A

CN113211718A - Injection mold for armrest box bucket

Info

Publication number: CN113211718A
Application number: CN202110473331.7A
Authority: CN
Inventors: 何志军
Original assignee: Taizhou Meitu Molding Co ltd
Current assignee: Taizhou Meitu Molding Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-08-06

Abstract

The invention provides an injection mold for an armrest box hopper, which comprises a fixed mold plate and a movable mold plate, wherein a cavity is formed in the fixed mold plate, a mold core is arranged on the movable mold plate, the movable mold plate comprises a core plate and a bearing plate arranged on one side of the core plate close to the cavity, and the mold core comprises a fixed core fixedly connected to the bearing plate and a movable core fixedly connected to the core plate. When the mold is opened, the core plate and the movable core fixed on the core plate are controlled to be far away from the fixed mold plate, so that the movable core is separated from the formed handrail box hopper. At the moment, the bearing plate is still abutted against the fixed template, and the fixed core can tightly press the handrail box hopper on the fixed template. And then the bearing plate and the fixed core fixed on the bearing plate are controlled to be far away from the fixed template, so that the fixed core is separated from the handrail box hopper. Because the contact area between the mold cavity and the handrail box bucket is reduced more after the movable core is separated from the handrail box bucket, the handrail box bucket is not easy to be adhered to the fixed core in the process of separating the fixed core from the handrail box bucket, so that the injection mold has the advantage of higher production efficiency.

Description

Injection mold for armrest box bucket

Technical Field

The utility model relates to an injection mold technical field especially relates to a handrail case fill injection mold.

Background

At present, chinese patent with publication number CN211591114U discloses an injection mold for producing car handrail box, including the processing platform, the top fixed mounting of processing platform has the baffle, and the top of processing platform is equipped with the cover half, and one side of cover half contacts with the baffle, has seted up the extrusion hole on the baffle, and sliding mounting has the clamp plate in the extrusion hole, and one side of clamp plate extends to the outside of baffle, and the bottom of clamp plate contacts with the cover half, and the top fixed mounting of clamp plate has first spring.

As shown in fig. 1, the conventional handrail box includes a box body 15 having a plurality of ribs on the surface thereof. When the injection mold is used for producing the handrail box bucket, the surface area of the box bucket body 15 is large, so that the handrail box bucket is easy to adhere to a mold cavity when the mold is opened, and the production efficiency of the injection mold is influenced to a certain extent.

Disclosure of Invention

In view of this, the present invention provides an injection mold for a handrail box bucket, which has the advantages of being less prone to adhesion of the handrail box bucket during mold opening and higher in production efficiency.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides an armrest box fill injection mold, including the fixed die plate, with the movable mould board of fixed die plate lock, the die cavity has been seted up on the fixed die plate, be provided with the core on the movable mould board, the core inserts the die cavity, the movable mould board include the core and set up in the core is close to the board of accepting of one side of die cavity, the core includes fixed core and movable core, fixed core fixed connection in accept the board, move the core and pass accept board and fixed connection in the core.

Through the technical scheme, when the mold is opened, the core plate is controlled through the driving pieces such as the air cylinder and the movable core fixed on the core plate to be away from the fixed mold plate, so that the movable core is separated from the formed handrail box hopper. In the process, the bearing plate is still abutted against the fixed template, and the fixed core can tightly press the handrail box hopper on the fixed template. And then the bearing plate and the fixed core fixed on the bearing plate are controlled to be far away from the fixed template through driving pieces such as an air cylinder and the like, so that the fixed core is separated from the handrail box hopper. Because the contact area between the mold cavity and the handrail box bucket is reduced more after the movable core is separated from the handrail box bucket, the handrail box bucket is not easy to be adhered to the fixed core in the process of separating the fixed core from the handrail box bucket, so that the handrail box bucket can be ejected away from the fixed mold plate through the ejection mechanism on the fixed mold plate after the mold is opened, and the injection mold has the advantage of higher production efficiency.

Preferably, a sliding groove is formed in the bearing plate close to the core plate, a limiting groove is formed in the bearing plate, the limiting groove is communicated with the end part, far away from the core plate, of the sliding groove, and the width of the limiting groove is larger than that of the sliding groove; the core is provided with a slide bar close to the bearing plate, the slide bar penetrates through the sliding groove and extends into the limiting groove, the end part of the slide bar is provided with a limiting block, and the limiting block is connected in the limiting groove in a sliding manner.

Through above-mentioned technical scheme, at the in-process of keeping away from the fixed die plate through driving piece control core such as cylinders, the stopper is close to gradually and deviates from the inner groove wall of fixed die plate in spacing groove. When the limiting block and the limiting groove are abutted against the inner groove wall deviating from the fixed template, the core plate can directly drive the bearing plate to be far away from the fixed template. So set up and need not use two sets of driving pieces in this injection mold die sinking process for this injection mold's use becomes more energy-conserving, and is more convenient.

Preferably, a spring is arranged in the limiting groove, one end of the spring is connected to the limiting block, the other end of the spring is connected to the position, close to the inner groove wall of the core plate, of the limiting groove, and the core plate is driven to be tightly abutted to the bearing plate through elastic force by the spring.

Through above-mentioned technical scheme, the spring accessible elasticity that sets up at the spacing inslot orders about the core and accepts the board and offsets tightly, so move between core and the fixed core and be difficult for the dislocation, and the handrail case fill inner wall department after the shaping is difficult for being formed with the overlap.

Preferably, the spring is sleeved on the sliding rod, and an inner ring of the spring is abutted against the side wall of the sliding rod.

Through the technical scheme, the sliding rod can limit the stretching direction of the spring, so that the spring is not easy to bend in the stretching process.

Preferably, a through groove is formed in the position, close to the side wall of the movable core, of the fixed core, and the through groove extends to one side of the bearing plate and penetrates through the fixed core; and a ventilation flow channel is formed in the side wall of the bearing plate and is communicated with the through groove.

Through above-mentioned technical scheme, at the in-process that uses driving piece control core such as cylinder to keep away from the fixed die plate, move core and centering and misplace gradually, and move the end that the core deviates from the core and be close to gradually in logical groove. When the movable core moves to the through groove and is communicated with the mold cavity, outside air can enter the mold cavity through the ventilation flow passage and the through groove to further cool the armrest box hopper, so that the possibility that the armrest box hopper is adhered to the mold core can be further reduced, and the injection mold can have higher production efficiency.

Preferably, a fan is disposed inside the ventilation flow channel, and the fan is used for driving outside air to flow into the ventilation flow channel.

Through above-mentioned technical scheme, when leading to groove and die cavity intercommunication, the fan can accelerate and drive outside air inflow die cavity for cooling handrail case fill with higher speed, and further reduce handrail case fill and glue the possibility in the core, make this injection mold can have higher production efficiency.

Preferably, the fan includes a support disposed on an inner wall of the ventilation channel, a rotating shaft rotatably connected to the support, a fan blade fixedly connected to the rotating shaft, and a driving mechanism for driving the rotating shaft to rotate.

Through above-mentioned technical scheme, when leading to groove and die cavity intercommunication, carry out circumferential direction through actuating mechanism control pivot and fixed connection in the flabellum of pivot, the flabellum can order about the air in the die cavity via ventilating the runner at circumferential direction's in-process.

Preferably, the driving mechanism comprises a gear which is in key connection with the rotating shaft and a rack which is fixedly connected with the core plate, and the rack penetrates through the bearing plate and is meshed with the gear.

Through above-mentioned technical scheme, at the in-process that uses driving pieces such as cylinders to control the core and keep away from the fixed die plate, the core orders about the gear through the rack and carries out circumferential direction, and gear accessible pivot orders about the flabellum and rotates. The movement of the core plate is used as a power source by using the driving mechanism to drive the fan blades to rotate, so that the injection mold is more energy-saving and more convenient to use.

Preferably, a plurality of vent holes axially penetrate through the gear, and are uniformly distributed along the circumferential direction of the gear.

Through above-mentioned technical scheme, run through on the gear and be provided with the air vent, reducible hindrance that causes the air flow for the outside air can more conveniently enter into the die cavity.

Preferably, the ventilation hole is internally provided with blades in an inclined manner.

Through above-mentioned technical scheme, accessible blade is used for accelerating flowing air during gear revolve for during the outside air can enter into the die cavity faster, is used for cooling handrail case fill with higher speed, so can further reduce handrail case fill and glue the possibility in the core, make this injection mold can have higher production efficiency.

Drawings

FIG. 1 is a schematic view of a handrail box;

FIG. 2 is a schematic structural diagram of an embodiment;

FIG. 3 is a schematic cross-sectional view of an embodiment;

fig. 4 is an enlarged view of a portion a of fig. 3.

Reference numerals: 1. fixing a template; 2. moving the template; 21. a core board; 22. a bearing plate; 3. a cavity; 4. a core; 41. fixing the core; 42. a movable core; 5. a chute; 6. a limiting groove; 7. a slide bar; 8. a limiting block; 9. a spring; 10. a through groove; 11. a ventilation flow channel; 12. a fan; 121. a support; 122. a rotating shaft; 123. a fan blade; 124. a drive mechanism; 1241. a gear; 1242. a rack; 13. a vent hole; 14. a blade; 15. a box body.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

An injection mold for a handrail box hopper, as shown in fig. 2, comprises a fixed mold plate 1 and a movable mold plate 2 fastened with the fixed mold plate 1.

As shown in fig. 3 and 4, a cavity 3 is formed in the end surface of the fixed die plate 1 close to the movable die plate 2, a core 4 is arranged on the end surface of the movable die plate 2 close to the fixed die plate 1, the core 4 is inserted into the cavity 3, and a cavity for forming the armrest box hopper is formed between the core 4 and the cavity 3.

The movable die plate 2 includes a core plate 21 and a receiving plate 22 disposed on a side of the core plate 21 close to the cavity 3. The core plate 21 is provided with a slide bar 7 near the end surface of the bearing plate 22, and the slide bar 7 is arranged along the mold opening direction. The end part of the slide bar 7 far away from the core plate 21 is provided with a limiting block 8, the width of the limiting block 8 is larger than that of the slide bar 7, and the limiting block 8 is vertical to the slide bar 7. The bearing plate 22 is provided with a chute 5 at the end surface close to the core plate 21, and the chute 5 is arranged along the mold opening direction. The bearing plate 22 is internally provided with a limiting groove 6, the limiting groove 6 is arranged along the die opening direction, the limiting groove 6 is communicated with the sliding groove 5, and the central line of the limiting groove 6 is superposed with the central line of the sliding groove 5. The sliding rod 7 passes through the sliding groove 5 and extends into the limiting groove 6. Stopper 8 slides and connects inside 6 spacing grooves, and stopper 8's lateral wall pastes tightly with 6 spacing grooves's inside wall.

The limiting groove 6 is internally provided with a spring 9, the spring 9 is sleeved on the sliding rod 7, one end of the spring 9 is connected to the end face, close to the core plate 21, of the limiting block 8, and the other end of the spring 9 is connected to the inner groove wall, close to the core plate 21, of the limiting groove 6. The spring 9 applies a force to the core plate 21 through the slide rod 7, so that the core plate 21 is abutted against the bearing plate 22.

The core 4 comprises a fixed core 41 and a movable core 42 abutting against each other. The fixed core 41 is fixedly connected to the end surface of the bearing plate 22 close to the fixed die plate 1, and the movable core 42 passes through the bearing plate 22 and is fixedly connected to the end surface of the core plate 21 close to the fixed die plate 1.

As shown in fig. 2, 3 and 4, a through groove 10 is opened at a side wall of the stationary core 41 close to the movable core 42, and the through groove 10 extends toward the receiving plate 22 and penetrates through the stationary core 41. The side wall of the bearing plate 22 is provided with a ventilation channel 11, and the ventilation channel 11 is communicated with the through groove 10. The ventilation channel 11 is provided with a fan 12 inside, and the fan 12 is used for driving the outside air to flow into the ventilation channel 11. The fan 12 includes a bracket 121 disposed at an inner wall of the ventilation channel 11, a rotating shaft 122 rotatably connected to the bracket 121, a fan blade 123 fixedly connected to the rotating shaft 122, and a driving mechanism 124 for driving the rotating shaft 122 to rotate. The driving mechanism 124 includes a gear 1241 keyed on the rotating shaft 122 and a rack 1242 fixedly connected to the core plate 21. A plurality of vent holes 13 axially penetrate through the gear 1241, the vent holes 13 are uniformly distributed along the circumference of the gear 1241, and a blade 14 is obliquely arranged inside each vent hole 13. The rack 1242 extends through the receiving plate 22 and engages with the gear 1241. The receiving plate 22 is provided with a receiving groove near the end face of the core plate 21, and when the core plate 21 and the receiving plate 22 are abutted against each other, the end of the rack 1242 far from the core plate 21 is received in the receiving groove.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. The utility model provides a handrail case fill injection mold, including fixed die plate (1), with movable mould board (2) of fixed die plate (1) lock, die cavity (3) have been seted up on fixed die plate (1), be provided with core (4) on movable mould board (2), core (4) insert die cavity (3), characterized by: the movable mould plate (2) comprises a core plate (21) and a bearing plate (22) arranged on one side, close to the cavity (3), of the core plate (21), the core (4) comprises a fixed core (41) and a movable core (42), the fixed core (41) is fixedly connected to the bearing plate (22), and the movable core (42) penetrates through the bearing plate (22) and is fixedly connected to the core plate (21).

2. The injection mold for the armrest box hopper as set forth in claim 1, wherein: a sliding groove (5) is formed in the bearing plate (22) close to the core plate (21), a limiting groove (6) is formed in the bearing plate (22), the limiting groove (6) is communicated with the end part, far away from the core plate (21), of the sliding groove (5), and the width of the limiting groove (6) is larger than that of the sliding groove (5); the core plate (21) is provided with a sliding rod (7) at a position close to the bearing plate (22), the sliding rod (7) penetrates through the sliding groove (5) and extends into the limiting groove (6), a limiting block (8) is arranged at the end part of the sliding rod (7), and the limiting block (8) is connected in the limiting groove (6) in a sliding manner.

3. The handrail box injection mold of claim 2, wherein: limiting groove (6) inside is provided with spring (9), the one end of spring (9) is connected on stopper (8), the other end of spring (9) is connected limiting groove (6) are close to the interior cell wall department of core (21), spring (9) order about through elasticity core (21) with accept board (22) and support tightly.

4. The handrail box injection mold of claim 3, wherein: the spring (9) is sleeved on the sliding rod (7), and the inner ring of the spring (9) is abutted against the side wall of the sliding rod (7).

5. The injection mold for the armrest box hopper as set forth in claim 1, wherein: a through groove (10) is formed in the position, close to the side wall of the movable core (42), of the fixed core (41), and the through groove (10) extends to one side of the bearing plate (22) and penetrates through the fixed core (41); the side wall of the bearing plate (22) is provided with a ventilation flow channel (11), and the ventilation flow channel (11) is communicated with the through groove (10).

6. The injection mold for the armrest box hopper as set forth in claim 5, wherein: a fan (12) is arranged in the ventilation flow channel (11), and the fan (12) is used for driving outside air to flow into the ventilation flow channel (11).

7. The injection mold for the armrest box hopper as set forth in claim 6, wherein: the fan (12) comprises a support (121) arranged on the inner wall of the ventilation flow channel (11), a rotating shaft (122) rotatably connected to the support (121), fan blades (123) fixedly connected to the rotating shaft (122), and a driving mechanism (124) for driving the rotating shaft (122) to rotate.

8. The handrail box injection mold of claim 7, wherein: the driving mechanism (124) comprises a gear (1241) which is in key connection with the rotating shaft (122) and a rack (1242) which is fixedly connected with the core plate (21), and the rack (1242) penetrates through the bearing plate (22) and is meshed with the gear (1241).

9. The handrail box injection mold of claim 8, wherein: a plurality of vent holes (13) axially penetrate through the gear (1241), and the vent holes (13) are uniformly distributed along the circumferential direction of the gear (1241).

10. The handrail box injection mold of claim 9, wherein: blades (14) are obliquely arranged in the vent holes (13).