Jacking device on thermal forming die

Abstract

The utility model discloses a jacking device on a thermal forming mold, which relates to the technical field of mold jacking appliances and comprises a mold, a top plate is mounted at the top end of the mold, a plurality of through grooves are formed in the top plate, a top mold is mounted in the mold, mounting racks are mounted on two sides of the top mold, and jacking mechanisms are mounted on the mounting racks; through the cooperation of the ejection mechanism and the ejection plate, the two-way lead screw and the one-way lead screw can conveniently drive the sliding block to move upwards and the hinged position to move outwards, then the push block is driven to extrude inwards, the limiting block is driven to move outwards, and at the moment, the ejection mold can be normally ejected out; after ejection is finished, the limiting block can push the ejection mold to reset downwards; finally, the problems that a traditional mold jacking mechanism is lack and the jacking column cannot be controlled to retract after a fault occurs are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mould jacking tool technical field especially relates to a jacking device on the thermoforming mould. BACKGROUND

[0002] Thermoforming is a kind of processing technology that hot plastic sheet is heated to softening state, then is shaped into the shape required by being made into pressure or vacuum etc. in mould. With the continuous development of manufacturing industry, thermoforming process has been widely applied in automobile, electronics, packaging, building and many other fields;For example, in the production of automotive interior parts, a large number of thermoforming process is used to manufacture instrument panel, door interior panel and other components, in packaging industry, thermoforming is used to produce various plastic packaging containers;In order to improve production efficiency and product quality, the performance and automation degree of thermoforming mould are put forward higher and higher requirements, and the jacking device as one of the key components in thermoforming mould, its importance is also increasingly prominent.

[0003] In the traditional thermoforming mould, the product after forming is often tightly attached to the surface of the mould cavity, especially for some complex shape, large depth product, manual removal not only time-consuming and laborious, but also easy to cause product damage or deformation, affect product quality and production efficiency, the traditional mould lacks effective jacking device, it is difficult to seamlessly dock with other equipment such as manipulator, conveying belt etc. of automatic production line, which limits the improvement of automation level of thermoforming production, part of the mechanism adopts hydraulic ejection, but this method is prone to failure, and the mould will be directly ejected after failure;Therefore, the above problems need to be solved and handled. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a jacking device on the thermoforming mould.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a jacking device on the thermoforming mould, including mould, the top of mould is equipped with top plate, a plurality of through grooves are set up on the top plate, and the inside of mould is equipped with top die, the both sides of top die are equipped with mounting bracket, and the mounting bracket is equipped with jacking mechanism.

[0006] Preferably, the both sides of top die upper end and the both sides of top die lower end are equipped with trapezoidal inclined plane, and the top surface of top die is equipped with a plurality of top columns, and the top columns pass through the top plate through the through grooves.

[0007] Preferably, the bottom end of mounting bracket is installed in the bottom of mould, and the top surface of mounting bracket is equipped with sliding slot in the middle.

[0008] Preferably, the jacking mechanism comprises a motor mounted on the inner bottom of the mold, a bidirectional screw rod connected with the motor through a shaft coupling, two bearing blocks threadedly connected at both ends of the bidirectional screw rod, the bearing blocks being slidably connected at the bottom ends to the inner bottom of the mold, and a push block fixedly connected at the upper ends of the bearing blocks.

[0009] Preferably, first bevel gears are mounted at both ends of the bidirectional screw rod, a second bevel gear is engaged with the upper end of the first bevel gears to drive a unidirectional screw rod fixedly connected at the upper end of the second bevel gear, the unidirectional screw rod is rotatably connected to the mold, a sliding block is threadedly connected to the unidirectional screw rod, a connecting rod is hingedly connected to the outer side of the sliding block, a supporting rod is hingedly connected at the other end of the connecting rod, a limiting block is mounted at one end of the supporting rod, and the hinged connecting portions of the connecting rod and the supporting rod are slidably mounted in a sliding groove of a mounting frame.

[0010] Preferably, the limiting block is located on a trapezoidal inclined surface at the upper end of the ejector pin, and the push block is located on a trapezoidal inclined surface at the lower end of the ejector pin.

[0011] Compared with the prior art, the jacking mechanism of the present application has the advantages that: the cooperation of the ejecting mechanism and the top plate facilitates the upward movement of the sliding block driven by the bidirectional screw rod and the unidirectional screw rod, the outward movement of the hinged connecting portions, the inward extrusion of the push block, and the outward movement of the limiting block, so that the ejector pin can be normally ejected; and the limiting block can also push the ejector pin to reset downward after the ejecting is completed; and the problem of the lack of the jacking mechanism of the traditional mold and the inability to control the retraction of the ejector pin after a failure is solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application. In the drawings:

[0013] Figure 1 The device is a whole three-dimensional structure schematic view of the present application;

[0014] Figure 2 The device is an ejector pin structure schematic view of the present application;

[0015] Figure 3 The device is an internal structure schematic view of the present application;

[0016] Figure 4 The device is a cross-sectional structure schematic view of the ejecting mechanism of the present application.

[0017] In the drawings, the numbers are: 1, mold; 2, top plate; 3, ejector pin; 4, ejector pin; 5, mounting frame; 6, motor; 7, bidirectional screw rod; 8, bearing block; 9, push block; 10, first bevel gear; 11, second bevel gear; 12, unidirectional screw rod; 13, sliding block; 14, connecting rod; 15, supporting rod; 16, limiting block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0019] Embodiment: refer to Figures 1-4 The utility model discloses a jacking device on hot forming die, including die 1, through die 1 is convenient for installing roof 2, the top of die 1 is installed with roof 2, through roof 2 is convenient for cooperation top die 3, a plurality of through grooves are set up on roof 2, and the inside installation of die 1 is equipped with top die 3, through top die 3 is convenient for the object and ejects, the both sides of top die 3 are installed with mounting bracket 5, through mounting bracket 5 is convenient for installing jacking mechanism, mounting bracket 5 is installed with jacking mechanism, and the both sides of top die 3 upper end and lower end are set up trapezoidal slope, and top die 3 top surface installs a plurality of jacks 4, through jacks 4 is convenient for cooperation top die 3, jacks 4 are through the through groove and pass through roof 2, mounting bracket 5 bottom end is installed in the bottom of die 1, and the top surface middle part of mounting bracket 5 is set up with sliding slot, and jacking mechanism includes the motor 6 of installing in the bottom of die 1, through motor 6 is convenient for driving bidirectional screw rod 7 drive, motor 6 output end is connected with bidirectional screw rod 7 through coupling, through bidirectional screw rod 7 is convenient for driving bearing block 8 to move to both sides and drive first bevel gear 10 rotation, and the both ends of bidirectional screw rod 7 are threadedly connected with two bearing blocks 8, through bearing block 8 is convenient for installing push block 9, bearing block 8 bottom end is slidably connected in the bottom of die 1, and bearing block 8 upper end is fixedly connected with push block 9, through push block 9 is convenient for top and meets top die 3 and rises.

[0020] In the utility model, the both ends of bidirectional screw rod 7 are installed with first bevel gear 10, through first bevel gear 10 is convenient for driving second bevel gear 11 rotation, and the upper end of first bevel gear 10 is engaged transmission with second bevel gear 11, through second bevel gear 11 is convenient for driving unidirectional screw rod 12 rotation, and the upper end of second bevel gear 11 is fixedly connected with unidirectional screw rod 12, through unidirectional screw rod 12 is convenient for slider 13 movement, and unidirectional screw rod 12 rotation connects in die 1, and the screw connection of unidirectional screw rod 12 has slider 13, through slider 13 is convenient for cooperation connecting rod 14 drive support rod 15 and move, and the outside of slider 13 is hinged with connecting rod 14, and the other end of connecting rod 14 is hinged with support rod 15, through support rod 15 is convenient for driving limit block 16 and moves, and one end of support rod 15 is installed with limit block 16, through limit block 16 avoids the device failure and is not controlled and ejects, and the hinged place of connecting rod 14 and support rod 15 is slidably installed in mounting bracket 5 sliding slot, and limit block 16 is located on the upper end trapezoidal slope of top die 3, and push block 9 is located on the lower end trapezoidal slope of top die 3.

[0021] Working principle: when the hot forming ends, the motor 6 starts, drives the bidirectional screw rod 7 to rotate, and then the two bearing blocks 8 drive the push block 9 to move to the inside, and then push the top die 3 upwards, at the same time, the first bevel gear 10 drives the second bevel gear 11 to rotate, and then drives the one-way screw rod 12 to rotate, the sliding block 13 moves upwards, the hinge of the connecting rod 14 and the supporting rod 15 moves to the outside, drives the connecting rod 14 to move to the outside, and then drives the two side limit blocks 16 to open, at this time, the top die 3 normally moves upwards, the formed products are pushed out through the jacks 4, then the motor 6 reverses, the limit block 16 is pressed to the inside, drives the top die 3 to move downwards, at the same time, the push block 9 moves to the outside, avoids affecting the reset of the top die 3, after the work is completed, the motor 6 is turned off, and the power supply is disconnected.

[0022] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A jacking device on a thermoforming mold comprising a mold (1), characterized in that: The mold (1) top end is provided with a top plate (2), a plurality of through grooves are opened on the top plate (2), and a top die (3) is installed in the mold (1), the top die (3) is provided with a mounting frame (5) on both sides, and a jacking mechanism is installed on the mounting frame (5).

2. A jacking device on a hot forming die according to claim 1, characterized in that: The top die (3) is provided with a trapezoidal slope on both sides of the upper end and the lower end, and a plurality of top columns (4) are installed on the top surface of the top die (3), and the top columns (4) pass through the top plate (2) through the through grooves.

3. A jacking device on a hot forming die according to claim 1, characterized in that: The mounting frame (5) is installed at the bottom of the mold (1), and a sliding groove is opened in the middle of the top surface of the mounting frame (5).

4. The jacking device on a hot forming die according to claim 1, characterized in that: The jacking mechanism comprises a motor (6) installed at the bottom of the mold (1), a bidirectional screw rod (7) connected to the output end of the motor (6) through a shaft coupling, two bearing blocks (8) threadedly connected to both ends of the bidirectional screw rod (7), the bearing blocks (8) are slidably connected to the bottom of the mold (1), and the bearing blocks (8) are provided with a push block (9) at the upper end.

5. A jacking device for a hot forming die according to claim 4, wherein: The bidirectional screw rod (7) is provided with a first bevel gear (10) at both ends, the first bevel gear (10) is meshed and driven by a second bevel gear (11) at the upper end, the second bevel gear (11) is fixedly connected with a unidirectional screw rod (12) at the upper end, the unidirectional screw rod (12) is rotatably connected in the mold (1), and the unidirectional screw rod (12) is threadedly connected with a sliding block (13), the sliding block (13) is hingedly connected with a connecting rod (14) on the outer side, the connecting rod (14) is hingedly connected with a support rod (15) at the other end, the support rod (15) is provided with a limiting block (16) at one end, and the connecting rod (14) and the support rod (15) are slidably installed in the sliding groove of the mounting frame (5).

6. A jacking device for a hot forming die according to claim 5, wherein: The limiting block (16) is located on the trapezoidal slope at the upper end of the top die (3), and the push block (9) is located on the trapezoidal slope at the lower end of the top die (3).

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