CN215969891U

CN215969891U - Stable form automatic demoulding mould

Info

Publication number: CN215969891U
Application number: CN202121393819.0U
Authority: CN
Inventors: 吴建国; 陈继林; 崔志良; 李全忠
Original assignee: Luoyang Shuanglong Plastic Product Co ltd
Current assignee: Luoyang Shuanglong Plastic Product Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-03-08
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a stable automatic demolding die, which comprises a lower die device for molding the lower surface of a plastic retainer, wherein a cooling device for exchanging heat for cooling is arranged in the lower die device, the stable automatic demolding die also comprises an upper die device for molding the upper surface of the plastic retainer, a mandrel device for simulating a roller is arranged in the upper die device, and a stripping device for pushing a finished retainer to be separated is arranged on the upper die device; the lower die device comprises a lower die block, a lower die cavity is arranged in the middle of the upper surface of the lower die block, and two injection molding holes are symmetrically formed in the bottom of the lower die cavity. According to the stable automatic demolding mold, due to the arrangement of the mandrel device, the molding block is prevented from being independently disassembled and assembled, and the production speed is increased; the automatic telescopic arrangement of the contour block increases the convenience of operation; through the material removing devices which are uniformly arranged, the uniformity of stress is ensured, and the material removing stability is improved.

Description

Stable form automatic demoulding mould

Technical Field

The utility model belongs to the technical field of plastic retainer molds, and particularly relates to a stable automatic demolding mold.

Background

Cage (i.e., bearing cage, also known as a bearing retainer) refers to a bearing component that partially encases all or part of the rolling elements and moves with them to isolate the rolling elements and generally also guide and retain them within the bearing. The common retainer is mainly divided into a metal retainer and a non-metal retainer according to the material types. The plastic retainer is light and durable, and is continuously widely applied.

However, in the prior art, the mold contour block and the mold are separated, resulting in: 1. the mandrel device is not arranged, and the profiling block needs to be independently disassembled and assembled, so that the production speed is reduced; 2. the automatic telescopic setting of the contour block is avoided, so that the convenience of operation is reduced; 3. the material removing device which is uniformly arranged does not exist, the uniformity of stress cannot be ensured, and the stability of material removing is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stable automatic demolding mold to solve the problems in the background technology.

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

a stable automatic demolding mold comprises a lower mold device for molding the lower surface of a plastic retainer, wherein a cooling device for exchanging heat for cooling is installed in the lower mold device, the stable automatic demolding mold also comprises an upper mold device for molding the upper surface of the plastic retainer, a mandrel device for simulating a roller is installed in the upper mold device, and a stripping device for pushing a finished retainer to be separated is installed on the upper mold device; the lower die device comprises a lower die block, a lower die cavity is arranged in the middle of the upper surface of the lower die block, two injection molding holes are symmetrically arranged at the bottom of the lower die cavity, two guide holes are symmetrically arranged on the upper surface of the lower die block, and a cooling cavity is arranged in the middle of the lower surface of the lower die block; the cooling device comprises a spiral pipe, the upper end of the spiral pipe is provided with a water inlet joint, and the lower end of the spiral pipe is provided with a water outlet joint; the upper die device comprises an upper die block, an upper die head is arranged in the middle of the lower surface of the upper die block, a plurality of avoidance holes are uniformly distributed on the circumference of the upper die head, a plurality of through holes are uniformly distributed on the lower surface of the upper die block in a manner of being tightly attached to the upper die head, and two guide pillars are symmetrically arranged below the upper die block; the mandrel device comprises a plurality of contour blocks which are uniformly distributed on the circumference, a baffle is arranged on each contour block, a first spring is arranged in front of each baffle, a second spring is arranged on the inner side of each contour block, an ejector rod is arranged above each second spring, and a ball head is arranged below each ejector rod.

Further: the stripping device comprises a sealing cover, a plurality of servo motors are uniformly distributed on the sealing cover, a lead screw is mounted below each servo motor, and a push rod is mounted below each lead screw.

The sealing cover supports the servo motor to drive the lead screw to rotate to push the push rod to lift up and down.

Further: the material taking-off device comprises a sealing cover, a plurality of connecting rods are uniformly distributed in the middle of the sealing cover, push rods are mounted below the connecting rods, connecting rings are arranged at the tops of the connecting rods, and third springs are mounted above the connecting rods.

The connecting ring pushes the connecting rod to push the push rod to descend, and the sealing cover supports the third spring to push the push rod to ascend.

Further: the spiral tube is made of a red copper tube material.

The smooth proceeding of the heat exchange is ensured.

Further: the water inlet connector and the water outlet connector are respectively welded with the spiral pipe together, and the water inlet connector and the water outlet connector are respectively connected with the lower module clamp.

Welding has guaranteed cooling device is firm reliable, and the clamp connection dismouting of being convenient for cooling device.

Further: the baffle with the profile modeling piece integrated into one piece, bulb with ejector pin integrated into one piece.

The baffle and the ball head are firm and firm.

Further: the guide post and the upper module are riveted together.

The guide pillar is guaranteed to be stable and reliable.

Further: the sealing cover is connected with the upper module through bolts.

The sealing cover is convenient to disassemble and assemble for maintenance.

Further: the servo motor is connected with the sealing cover through a bolt, and the push rod is connected with the lead screw through threads.

Bolted connection is convenient for dismouting maintenance servo motor, threaded connection has guaranteed the steady transmission of power.

Further: the connecting rod and the connecting ring are welded together, and the connecting rod is connected with the push rod through a bolt.

Welding ensures that the connecting rod and the connecting ring are firm and reliable, and the push rod is convenient to disassemble, assemble and replace due to bolt connection.

The working principle and the using process of the utility model are as follows: the upper module and the lower module are respectively connected to an injection molding machine, the upper module is inserted into the guide hole through the guide post and aligned and closed with the lower module, the ejector rod pushes the contour block to protrude out of the upper die head from the avoidance hole through the ball head, then raw materials are injected into the lower die cavity through the injection hole, cooling liquid flows into the spiral pipe through the water inlet joint to absorb heat, so that the raw materials are cooled and molded and then flow out of the water outlet joint, the upper module is lifted to drive the molded retainer to be separated from the lower die cavity, the second spring pushes the ejector rod to reset, the first spring pushes the contour block to retract into the upper die head through the baffle plate, the sealing cover supports the lead screw to drive the lead screw to rotate to push the push rod to descend, or the connecting rod pushes the push rod to descend, and enabling the push rod to enable the molded retainer to be separated from the upper die head.

Compared with the prior art, the utility model has the beneficial effects that:

1. by the arrangement of the mandrel device, the profiling block is prevented from being independently disassembled and assembled, and the production speed is increased;

2. the automatic telescopic arrangement of the contour block increases the convenience of operation;

3. through the material removing devices which are uniformly arranged, the uniformity of stress is ensured, and the material removing stability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a stable automatic release mold according to the present invention;

FIG. 2 is a top isometric view of a lower die assembly of a stabilized automatic release mold of the present invention;

FIG. 3 is a bottom isometric view of a lower die assembly of a stabilized automatic release mold of the present invention;

FIG. 4 is a schematic view of a cooling apparatus for a stable automatic release mold according to the present invention;

FIG. 5 is a schematic view of an upper mold assembly of a stable automatic demolding mold according to the present invention;

FIG. 6 is a schematic view of a mandrel assembly of a stabilized automatic release mold of the present invention;

FIG. 7 is a schematic view of a stripping apparatus of embodiment 1 of a stable automatic demolding mold according to the present invention;

fig. 8 is a schematic view of a stripping device of embodiment 2 of a stable automatic demolding mold.

In the reference symbols: 1. a lower die device; 101. a lower module; 102. a lower die cavity; 103. a guide hole; 104. injection molding holes; 105. a cooling chamber; 2. a cooling device; 201. a spiral tube; 202. a water inlet joint; 203. a water outlet joint; 3. an upper die device; 301. an upper module; 302. an upper die head; 303. a guide post; 304. avoiding holes; 305. a through hole; 4. a mandrel device; 401. a top rod; 402. a ball head; 403. a second spring; 404. a contour block; 405. a baffle plate; 406. a first spring; 5. a stripping device; 501. a sealing cover; 502. a push rod; 503. a servo motor; 504. a lead screw; 505. a connecting ring; 506. a connecting rod; 507. and a third spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

example 1

As shown in fig. 1-7, a stable automatic demolding mold comprises a lower mold device 1 for molding the lower surface of a plastic retainer, a cooling device 2 for exchanging heat and reducing temperature is installed in the lower mold device 1, an upper mold device 3 for molding the upper surface of the plastic retainer is also included, a mandrel device 4 for simulating a roller is installed in the upper mold device 3, and a stripping device 5 for pushing a finished retainer to be separated is installed on the upper mold device 3; the lower die device 1 comprises a lower die block 101, a lower die cavity 102 is arranged in the middle of the upper surface of the lower die block 101, two injection molding holes 104 are symmetrically arranged at the bottom of the lower die cavity 102, two guide holes 103 are symmetrically arranged on the upper surface of the lower die block 101, and a cooling cavity 105 is arranged in the middle of the lower surface of the lower die block 101; the cooling device 2 comprises a spiral pipe 201, a water inlet joint 202 is arranged at the upper end of the spiral pipe 201, and a water outlet joint 203 is arranged at the lower end of the spiral pipe 201; the upper die device 3 comprises an upper die block 301, an upper die head 302 is arranged in the middle of the lower surface of the upper die block 301, a plurality of avoidance holes 304 are uniformly distributed on the circumference of the upper die head 302, a plurality of through holes 305 are uniformly distributed under the upper die block 301 and closely attached to the upper die head 302, and two guide pillars 303 are symmetrically arranged under the upper die block 301; the mandrel device 4 comprises a plurality of profile blocks 404 which are uniformly distributed on the circumference, a baffle 405 is arranged on the profile blocks 404, a first spring 406 is arranged in front of the baffle 405, a second spring 403 is arranged on the inner side of the profile blocks 404, a push rod 401 is arranged above the second spring 403, and a ball head 402 is arranged below the push rod 401.

Further: the stripping device 5 comprises a sealing cover 501, a plurality of servo motors 503 are uniformly distributed on the sealing cover 501, a lead screw 504 is arranged below the servo motor 503, a push rod 502 is arranged below the lead screw 504, and the sealing cover 501 supports the servo motor 503 to drive the lead screw 504 to rotate so as to push the push rod 502 to lift up and down; the spiral pipe 201 is made of copper tube material, which ensures the smooth proceeding of heat exchange; the water inlet joint 202 and the water outlet joint 203 are respectively welded with the spiral pipe 201, and the water inlet joint 202 and the water outlet joint 203 are respectively connected with the lower module 101 in a clamping manner, so that the cooling device 2 is stable and reliable through welding, and the cooling device 2 is convenient to disassemble and assemble through clamping connection; the baffle 405 and the profiling block 404 are integrally formed, and the ball head 402 and the ejector rod 401 are integrally formed, so that the baffle 405 and the ball head 402 are firm; the guide post 303 and the upper module 301 are riveted together, so that the stability and reliability of the guide post 303 are ensured; the sealing cover 501 is connected with the upper module 301 through bolts, so that the sealing cover 501 can be conveniently disassembled and assembled for maintenance; servo motor 503 and sealed lid 501 bolted connection, push rod 502 and lead screw 504 threaded connection, bolted connection is convenient for dismouting maintenance servo motor 503, and threaded connection has guaranteed the steady transmission of power.

Example 2

As shown in fig. 8, embodiment 2 differs from embodiment 1 in that: the stripping device 5 comprises a sealing cover 501, a plurality of connecting rods 506 are uniformly distributed in the middle of the sealing cover 501, push rods 502 are arranged below the connecting rods 506, connecting rings 505 are arranged at the tops of the connecting rods 506, third springs 507 are arranged on the connecting rods 506, the connecting rings 505 push the connecting rods 506 to push the push rods 502 to descend, and the sealing cover 501 supports the third springs 507 to push the push rods 502 to ascend; the connecting rod 506 and the connecting ring 505 are welded together, the connecting rod 506 and the push rod 502 are in bolted connection, welding ensures that the connecting rod 506 and the connecting ring 505 are firm and reliable, and the bolted connection facilitates disassembly, assembly and replacement of the push rod 502.

The working principle and the using process of the utility model are as follows: the upper module 301 and the lower module 101 are respectively connected to the upper and lower of an injection molding machine, the upper module 301 is inserted into the guide hole 103 through the guide post 303 to be aligned and closed with the lower module 101, meanwhile, the ejector rod 401 pushes the profile block 404 to protrude out of the upper die head 302 from the avoidance hole 304 through the ball head 402, then the raw material is injected into the lower die cavity 102 through the injection hole 104, the cooling liquid flows into the spiral pipe 201 through the water inlet joint 202 to absorb heat so that the raw material is cooled and molded, and then flows out of the water outlet joint 203, the upper module 301 is lifted to drive the molded retainer to be pulled out of the lower die cavity 102, the ejector rod 401 is pushed to reset by the second spring 403, the first spring 406 pushes the profile block 404 to be retracted into the upper die head 302 through the baffle 405, the sealing cover 501 supports the servo motor 503 to drive the lead screw 504 to rotate to push the push rod 502 to be lowered, or the connecting ring 505 pushes the connecting rod 506 to push the molded retainer to be pulled out of the upper die head 302.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a stable form automatic demoulding mould, is including being used for fashioned lower mould device (1) of plastics holder lower surface, install cooling device (2) that are used for exchanging the heat cooling in lower mould device (1), its characterized in that: the device is characterized by also comprising an upper die device (3) for molding the upper surface of the plastic retainer, wherein a mandrel device (4) for simulating a roller is arranged in the upper die device (3), and a stripping device (5) for pushing the finished retainer to be separated is arranged on the upper die device (3);

the lower die device (1) comprises a lower die block (101), a lower die cavity (102) is arranged in the middle of the upper surface of the lower die block (101), two injection molding holes (104) are symmetrically formed in the bottom of the lower die cavity (102), two guide holes (103) are symmetrically formed in the upper surface of the lower die block (101), and a cooling cavity (105) is arranged in the middle of the lower surface of the lower die block (101);

the cooling device (2) comprises a spiral pipe (201), a water inlet joint (202) is arranged at the upper end of the spiral pipe (201), and a water outlet joint (203) is arranged at the lower end of the spiral pipe (201);

the upper die device (3) comprises an upper die block (301), an upper die head (302) is arranged in the middle of the lower surface of the upper die block (301), a plurality of avoidance holes (304) are uniformly distributed on the circumference of the upper die head (302), a plurality of through holes (305) are uniformly distributed on the lower surface of the upper die block (301) in a manner of being tightly attached to the upper die head (302), and two guide columns (303) are symmetrically arranged on the lower surface of the upper die block (301);

the mandrel device (4) comprises a plurality of contour blocks (404) which are uniformly distributed on the circumference, a baffle (405) is arranged on the contour blocks (404), a first spring (406) is arranged in front of the baffle (405), a second spring (403) is arranged on the inner side of the contour blocks (404), an ejector rod (401) is arranged above the second spring (403), and a ball head (402) is arranged below the ejector rod (401).

2. A stable automatic release mold according to claim 1, wherein: the stripping device (5) comprises a sealing cover (501), a plurality of servo motors (503) are uniformly distributed on the sealing cover (501), a lead screw (504) is installed below each servo motor (503), and a push rod (502) is installed below each lead screw (504).

3. A stable automatic release mold according to claim 1, wherein: the stripping device (5) comprises a sealing cover (501), a plurality of connecting rods (506) are uniformly distributed in the middle of the sealing cover (501), push rods (502) are installed below the connecting rods (506), connecting rings (505) are arranged at the tops of the connecting rods (506), and third springs (507) are installed on the connecting rods (506).

4. A stable automatic release mold according to claim 1, wherein: the spiral pipe (201) is made of a copper pipe material.

5. A stable automatic release mold according to claim 1, wherein: the water inlet connector (202) and the water outlet connector (203) are welded with the spiral pipe (201) respectively, and the water inlet connector (202) and the water outlet connector (203) are connected with the lower module (101) in a clamping mode respectively.

6. A stable automatic release mold according to claim 1, wherein: the baffle (405) and the contour block (404) are integrally formed, and the ball head (402) and the ejector rod (401) are integrally formed.

7. A stable automatic release mold according to claim 1, wherein: the guide columns (303) and the upper module (301) are riveted together.

8. A stable automatic release mold according to claim 2 or 3, wherein: the sealing cover (501) is connected with the upper module (301) through bolts.

9. A stable automatic release mold according to claim 2, wherein: the servo motor (503) is connected with the sealing cover (501) through a bolt, and the push rod (502) is connected with the lead screw (504) through threads.

10. A stable automatic release mold according to claim 3, wherein: the connecting rod (506) and the connecting ring (505) are welded together, and the connecting rod (506) and the push rod (502) are connected through bolts.