Lower die cleaning structure of hot pressing die

Abstract

The lower die cleaning structure comprises a rotary table, at least three lower dies of the hot-pressing dies are annularly and evenly arranged on the rotary table, the lower dies of the hot-pressing dies can be hinged to the outer side of the rotary table in a downward overturning mode, and horizontal supporting rings are arranged on the outer side of the rotary table and below the lower dies of the hot-pressing dies. At least one lower die overturning notch is formed in the horizontal supporting ring, a lower die supporting device matched with a lower die of the hot-pressing die is arranged below the lower die overturning notch, and an up-down cleaning device is arranged at the position, opposite to the lower die overturning notch, of the outer side of the horizontal supporting ring. According to the lower die cleaning device, the lower die is cleaned up and down, residues fall off more easily and are not prone to remaining in part gaps or small spaces on the upper side face of the lower die, the cleaning effect is good, and the residues fall off and are collected and cleaned more easily.

Description

Technical Field

[0001] The utility model relates to a cleaning device for a mold, in particular to a lower mold cleaning structure of a hot pressing mold which can clean thoroughly and is not prone to residual foreign matter. Background Art

[0002] Hot pressing molds have the advantages of simple structure, low manufacturing cost, low molding pressure and high microstructure replication accuracy. Especially in the mold processing in the fields of microfluidic machinery, micro-optical devices, microfluidic chips, etc., the hot pressing molding process has broad application prospects. The applicant's application number: CN202010417244.5, entitled A Thermoreversible Adhesive Material, filed on May 8, 2020, discloses a method for producing an integrally molded inductor using a hot pressing mold. A small amount of glue is required in the production process, and a small amount of glue and magnetic powder will inevitably remain on the mold during the pressing process. In order to improve production efficiency and reduce costs, the production process adopts semi-automatic or automated equipment for production; the existing equipment for preparing such one-piece molded inductors includes a circular or annular turntable, on which a plurality of (at least 3) lower molds of the hot pressing mold are evenly arranged in an annular shape, each lower mold corresponds to a work station, and at least one upper mold control device and at least one lower mold cleaning structure are arranged around the turntable; the upper mold control device is installed with an upper mold that cooperates with the lower mold of the hot pressing mold, and the lower mold cleaning structure cooperates with the lower mold to clean the residues remaining on the lower mold. The existing lower mold cleaning structure includes a horizontally arranged cleaning cylinder, and the piston rod of the cleaning cylinder is provided with a cleaning brush that can contact and clean the upper side of the lower mold. When working, the turntable drives the lower mold to be cleaned to run to the cleaning brush, and the cleaning cylinder drives the cleaning brush to clean the lower mold. The cleaning effect of the existing lower mold cleaning structure is poor, and the glue and magnetic powder residues are not easy to fall from the upper side of the lower mold, and are easy to remain in the gap or small space of the components of the lower mold. Utility Model Content

[0003] The utility model aims to solve the above-mentioned deficiencies of the prior art and provide a lower mold cleaning structure of a hot pressing mold which can clean thoroughly and is not easy to leave foreign matter.

[0004] The technical solution adopted by the utility model to solve the above-mentioned deficiencies of the prior art is:

[0005] A lower mold cleaning structure for a hot pressing mold comprises a turntable, and is characterized in that at least three lower molds of the hot pressing molds are evenly arranged in a ring shape on the turntable, the lower molds of the hot pressing mold can be flipped downward and hinged to the outer side of the turntable, a horizontal support ring is provided on the outer side of the turntable and below the lower mold of the hot pressing mold, at least one lower mold flipping notch is provided on the horizontal support ring, a lower mold lifting device cooperating with the lower mold of the hot pressing mold is provided below the lower mold flipping notch, and an upper and lower cleaning device is provided at the outer side of the horizontal support ring opposite to the lower mold flipping notch.

[0006] The rotating table of the utility model is provided with an articulated seat, and the lower mold distribution shaft of the hot pressing mold is articulated with the articulated seat.

[0007] The lower die lifting device described in the utility model is provided with a lifting cylinder below the lower die turning notch, and a lifting plate is provided on the piston rod of the lifting cylinder. The lifting cylinder drives the lifting plate to move up and down, and can control the lower die of the hot pressing die located at the lower die turning notch to turn downward or upward to a horizontal position.

[0008] The upper and lower cleaning device described in the utility model comprises a horizontal mounting frame, a horizontal slide rail is arranged on the horizontal mounting frame, a horizontal slide rail is arranged on the horizontal slide frame, a horizontal driving cylinder is arranged on the horizontal mounting frame, and the piston rod of the horizontal driving cylinder is connected to the horizontal sliding cleaning frame; a cleaning cylinder is vertically arranged on the cleaning frame, and a cleaning brush which cooperates with the lower mold of the hot pressing mold is arranged on the piston rod of the cleaning cylinder.

[0009] The utility model is further improved in that a push rod matching with the lower mold of the hot pressing mold is provided on the cleaning frame at a position opposite to the lower mold turning notch. The push rod can push and fix the lower mold of the hot pressing mold on the horizontal mounting frame, so that the cleaning is more thorough.

[0010] The horizontal mounting frame described in the utility model comprises a first seat plate and a second seat plate arranged in parallel with each other, the horizontal slide rail is installed between the first seat plate and the second seat plate, the second seat plate is arranged below the turntable, and a push cylinder cooperating with the lower mold of the hot pressing mold is arranged on the second seat plate. The push cylinder can push the upper side of the lower mold of the hot pressing mold from vertical to inclined, so that the lifting cylinder can flip the lower mold of the hot pressing mold upward to horizontal.

[0011] The cleaning frame described in the utility model is equipped with a residue collection bucket, which includes a bottom plate, a left plate and a right plate, wherein the bottom plate is located below the cleaning frame, and the left plate and the right plate are connected to the left and right sides of the cleaning frame. The residue is not easy to be scattered to the left and right under the obstruction of the left plate and the right plate, and most of them fall on the bottom plate of the residue collection bucket.

[0012] The bottom plate of the residue collection bucket described in the utility model is tilted downward from front to back, and a rear baffle is provided on the rear sides of the left and right plates, and a residue drop opening is provided at the rear of the bottom plate. When cleaning, after the residue falls on the bottom plate, it is collected and slid down to the residue drop opening, and falls from the residue drop opening and discharged from the residue collection bucket. A garbage box can be placed under the residue drop opening to facilitate regular cleaning of the residue.

[0013] When the utility model is working, after completing a hot pressing process, the lower mold of the hot pressing mold rotates to the lower mold flipping notch and the lower mold holding device under the drive of the turntable; the lower mold holding device moves downward, and the lower mold of the hot pressing mold flips downward under the action of gravity; the upper and lower cleaning devices clean the upper side of the lower mold up and down; after cleaning, the lower mold holding device moves upward, flips the lower mold of the hot pressing mold upward to make the lower mold horizontal, and the turntable can drive the lower mold of the hot pressing mold to rotate on the upper side of the horizontal supporting ring. The utility model cleans the lower mold up and down, and the residue is easier to fall, and it is not easy to remain in the gaps or small spaces of the components on the upper side of the lower mold. The cleaning effect is good, and the residue falls, which is easier to collect and clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the connection structure among the turntable, the horizontal supporting ring and the lower mold of the hot pressing mold in the utility model.

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the upper and lower cleaning devices in the utility model.

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the residue collecting bucket in the utility model. DETAILED DESCRIPTION

[0018] like Figure 1-Figure 4The lower mold cleaning structure of the hot pressing mold shown in the figure includes a turntable 8, on which 10 hinge seats 9 are evenly arranged in a ring shape, and the lower mold 6 of the hot pressing mold that can be flipped downward is hinged on the outer side of the hinge seat 9 through a pin shaft; the lower mold of the hot pressing mold can be rotated downward by 90° around the hinge pin shaft until the upper side surface becomes a vertical surface. A horizontal support ring 10 is provided on the outer side of the turntable 8 and below the lower mold of the hot pressing mold. Driven by the turntable 8, the lower mold 6 of the hot pressing mold can slide on the upper side of the horizontal support ring 10. A lower mold flipping notch 16 is provided on the horizontal support ring 10. A lower mold lifting device that cooperates with the lower mold of the hot pressing mold is provided below the lower mold flipping notch 16. The lower mold lifting device is provided with a lifting cylinder 14 below the lower mold flipping notch 16, and a lifting plate 15 that corresponds to the lower mold flipping notch is provided on the piston rod of the lifting cylinder 14; the lifting cylinder drives the lifting plate 15 to move up and down, and can control the lower mold of the hot pressing mold located at the lower mold flipping notch to flip downward or upward to horizontal. An upper and lower cleaning device is provided on the outer side of the horizontal support ring opposite to the lower mold flipping notch; the upper and lower cleaning device includes a horizontal mounting frame, a horizontal slide rail 7 is provided on the horizontal mounting frame, a cleaning frame 3 which can slide horizontally thereon is provided on the horizontal slide rail 7, a horizontal driving cylinder 1 is provided on the horizontal mounting frame, the piston rod of the horizontal driving cylinder 1 is connected to the horizontally sliding cleaning frame 3, driving it to slide back and forth, approaching or moving away from the lower mold flipping notch; a cleaning cylinder 4 is vertically provided on the cleaning frame 3, and a cleaning brush 5 which cooperates with the lower mold of the hot pressing mold is provided on the piston rod of the cleaning cylinder 4.

[0019] As a further improvement, a push rod 19 is provided on the cleaning frame at a position opposite to the lower mold flipping notch, which is parallel to the horizontal slide rail and cooperates with the lower mold of the hot pressing mold. The push rod 19 can push and fix the lower mold of the hot pressing mold on the horizontal mounting frame, so that the cleaning is more thorough. The horizontal mounting frame includes a first seat plate 2 and a second seat plate 13 arranged parallel to each other, the horizontal slide rail is installed between the first seat plate 2 and the second seat plate 13, the second seat plate is arranged below the turntable at the lower mold flipping notch, and the second seat plate 13 is provided with a push cylinder 12 that cooperates with the lower mold of the hot pressing mold. The push cylinder 12 can push the upper side of the lower mold of the hot pressing mold from vertical to inclined, so that the lifting cylinder can flip the lower mold of the hot pressing mold upward to horizontal.

[0020] As a further improvement, a residue collection bucket is installed on the cleaning frame, and the residue collection bucket includes a bottom plate 20, a left side plate 18 and a right side plate 17. The bottom plate is located below the cleaning frame, and the left side plate and the right side plate are connected to the left and right sides of the cleaning frame. The residue is not easy to disperse to the left and right under the obstruction of the left side plate and the right side plate, and most of them fall on the bottom plate of the residue collection bucket. The bottom plate of the residue collection bucket is tilted downward from front to back, and a rear baffle 22 is provided on the rear side of the left side plate and the right side plate, and a residue drop opening 21 is provided at the rear of the bottom plate. When cleaning, after the residue falls on the bottom plate, it is collected and slid down to the residue drop opening, and falls from the residue drop opening and is discharged from the residue collection bucket. A garbage box can be placed below the residue drop opening to facilitate regular cleaning of the residue.

[0021] When the utility model is working, after completing a hot pressing process, the lower mold of the hot pressing mold rotates to the lower mold flipping notch and the upper side of the lower mold holding device under the drive of the turntable; the lower mold holding device moves downward, and the lower mold of the hot pressing mold flips downward around the hinge pin axis under the action of gravity; the upper and lower cleaning devices clean the upper side of the lower mold up and down; after cleaning, the lower mold holding device moves upward, flips the lower mold of the hot pressing mold upward around the hinge pin axis to make the lower mold horizontal, and the turntable can drive the lower mold of the hot pressing mold to rotate on the upper side of the horizontal support ring. The utility model cleans the lower mold up and down, and the residue is easier to fall, and is not easy to remain in the gaps or small spaces of the components on the upper side of the lower mold. The cleaning effect is good, and the residue falls, which is easier to collect and clean.

Claims

1. A lower mold cleaning structure for a hot pressing mold, comprising a turntable, characterized in that: At least three lower molds of the hot pressing molds are evenly arranged in a ring on the turntable. The lower mold of the hot pressing mold can be flipped downward and hinged to the outer side of the turntable. A horizontal support ring is provided on the outer side of the turntable and below the lower mold of the hot pressing mold. At least one lower mold flipping notch is provided on the horizontal support ring. A lower mold lifting device that cooperates with the lower mold of the hot pressing mold is provided below the lower mold flipping notch. An upper and lower cleaning device is provided at the outer side of the horizontal support ring opposite to the lower mold flipping notch.

2. The lower mold cleaning structure of the hot pressing mold according to claim 1, characterized in that: The rotating table is provided with an articulated seat, and the lower mold distribution shaft of the hot pressing mold is articulated with the articulated seat.

3. The lower mold cleaning structure of the hot pressing mold according to claim 1, characterized in that: The lower die lifting device is provided with a lifting cylinder below the lower die turning notch, and a lifting plate is provided on the piston rod of the lifting cylinder.

4. The lower mold cleaning structure of the hot pressing mold according to claim 1, characterized in that: The upper and lower cleaning device includes a horizontal mounting frame, a horizontal slide rail is provided on the horizontal mounting frame, a horizontal slide rail is provided on the horizontal sliding cleaning frame, a horizontal driving cylinder is provided on the horizontal mounting frame, and the piston rod of the horizontal driving cylinder is connected to the horizontal sliding cleaning frame; a cleaning cylinder is vertically provided on the cleaning frame, and a cleaning brush that cooperates with the lower mold of the hot pressing mold is provided on the piston rod of the cleaning cylinder.

5. The lower mold cleaning structure of the hot pressing mold according to any one of claims 1 to 4, characterized in that: A push rod matched with the lower mold of the hot pressing mold is arranged on the cleaning frame at a position opposite to the lower mold turning notch.

6. The push rod can push and fix the lower mold of the hot pressing mold on the horizontal mounting frame for more thorough cleaning.

7. The lower mold cleaning structure of the hot pressing mold according to claim 5, characterized in that: The horizontal mounting frame includes a first seat plate and a second seat plate arranged parallel to each other, the horizontal slide rail is installed between the first seat plate and the second seat plate, the second seat plate is arranged below the turntable, and a pushing cylinder is provided on the second seat plate to cooperate with the lower mold of the hot pressing mold.

8. The lower mold cleaning structure of the hot pressing mold according to claim 6, characterized in that: The cleaning frame is provided with a residue collecting bucket, which comprises a bottom plate, a left plate and a right plate. The bottom plate is located below the cleaning frame, and the left plate and the right plate are connected to the left and right sides of the cleaning frame.

9. The lower mold cleaning structure of the hot pressing mold according to claim 7, characterized in that: The bottom plate of the residue collecting bucket is tilted downward from front to back, a rear baffle is arranged on the rear sides of the left plate and the right plate, and a residue dropping opening is arranged at the rear of the bottom plate.

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