Silica gel demolding device for hand plate model

Abstract

The silica gel demolding device for the hand plate model comprises a bottom plate, side supports are fixedly connected to the two sides of the bottom plate, a support is fixedly connected between the middles of the two side supports, and second sliding rails are installed on the inner sides of the side supports. Automatic demolding can be achieved, when demolding needs to be conducted, lifting air cylinders on the two sides drive a lifting frame to move upwards, the lifting frame drives a lower mold to be lifted upwards through a rotating frame and a lower mold mounting table, meanwhile, when the lifting frame ascends, a chain begins to rotate at the moment, and the chain drives an upper mold mounting table to move upwards through a first sliding block; at the moment, the movement of the upper mold is twice the stroke of the lower mold, so that the upper mold and the lower mold are opened, and in the ascending process of the lower mold, the gear rotates on the toothed bar, so that the lower mold is overturned by 180 degrees, and rapid demolding of the lower mold is achieved. And the use is more convenient.

Description

Technical Field

[0001] The invention relates to the field of mechanical technology, and in particular to a silicone demoulding device for a hand-plate model. Background Art

[0002] A prototype model is a physical model with a predetermined function, structure or appearance that is made by CNC processing, 3D printing and other means according to design drawings or sample requirements before the formal mold opening and mass production. It is mainly used to verify the feasibility and rationality of the design scheme, conduct functional testing, appearance evaluation, and display products in marketing and design verification. Prototype models can be made of a variety of materials, including plastics, photosensitive resins, metals, etc., and can be completed through different processing methods such as manual prototypes, CNC prototypes, laser rapid prototyping, etc. Its existence helps companies reduce production costs and risks and improve product quality and market competitiveness.

[0003] In the prior art, prototype molds are mostly made of silicone molds for small batch production. Silicone molds have the characteristics of low cost and short production cycle. However, when demolding the silicone mold, manual demolding is mostly used, which is very time-consuming and laborious.

[0004] Therefore, how to provide a silicone demoulding device for a hand-plate model to solve the problems existing in the prior art is of great significance to its application. Summary of the invention

[0005] In view of this, the purpose of the present application is to provide a silicone demoulding device for a prototype model, so as to solve the problem that in the prior art, prototype molds are mostly produced in small batches using silicone molds. Silicone molds have the characteristics of low cost and short production cycle, but when demoulding the silicone molds, manual demoulding is mostly used, which is very time-consuming and laborious.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A silicone demoulding device for a hand-board model, comprising a bottom plate, both sides of the bottom plate are fixedly connected with side brackets, a support is fixedly connected between the middle parts of the two side brackets, a slide rail 2 is installed on the inner side of the side bracket, both of the two slide rails are slidably connected with a slider 2, the slider 2 is fixedly connected with a lifting frame, a slide rail 1 is installed on the side of the lifting frame, the slide rail 1 is slidably connected with a slider 1, the slider 1 is fixedly connected with an upper mold mounting platform, and the bottom end of the upper mold mounting platform is fixedly connected with an upper mold;

[0008] A lower sprocket is rotatably connected to one side of the bottom end of the lifting frame, and the lower sprocket is fixedly connected to a lower mold mounting platform, and a lower mold is mounted on the top of the lower mold mounting platform.

[0009] Preferably, an upper sprocket and a lower sprocket are respectively installed at the top and bottom of the front side of the lifting frame, and the upper sprocket and the lower sprocket are connected by a chain drive.

[0010] Preferably, the chain is fixedly connected to the first slider, and a fixed frame is fixedly connected to one side of the side bracket, and the fixed frame is fixedly connected to the chain.

[0011] Preferably, lifting cylinders are installed on both sides of the support, and the telescopic ends of the lifting cylinders are fixedly connected to the lifting frame.

[0012] Preferably, rack bars are fixedly connected to both sides of the top of the support, a gear is installed in the middle of the lower sprocket, and the gear is meshed with the rack bar.

[0013] Preferably, the upper mold mounting table and the lower mold mounting table are both in a "C" shape, and the upper mold and the upper mold mounting table, as well as the lower mold mounting table and the lower mold, are fixedly connected by pins.

[0014] Preferably, an injection hole is opened at the top of the upper mold mounting table, and the injection hole communicates with the injection cavity of the upper mold.

[0015] Preferably, the rack bar and the lifting frame are both vertically arranged.

[0016] Preferably, the upper sprocket is directly above the lower sprocket, the upper sprocket and the lower sprocket have the same specifications, the chain is divided into two equal-length segments by the upper sprocket and the lower sprocket, the first slide rail is fixedly connected to one of the segments of the chain, and the fixed frame is fixedly connected to the other segment of the chain.

[0017] Preferably, the upper mold and the lower mold are a set of silicone molds.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] The present invention can realize automatic demolding. When demolding is required, the lifting cylinders on both sides drive the lifting frame to move upward at this time. The lifting frame drives the lower mold to lift upward through the rotating frame and the lower mold mounting table. At the same time, when the lifting frame rises, the chain starts to rotate at this time. The chain drives the upper mold mounting table to move upward through the first slider. At this time, the movement of the upper mold is twice the stroke of the lower mold, so that the upper mold and the lower mold are opened. And during the upward movement of the lower mold, the gear rotates on the rack bar, thereby flipping the lower mold 180 degrees to realize the rapid demolding of the lower mold. Compared with the existing silicone mold injection molding mechanism, the present invention can realize the rapid demolding of the mold and is more convenient to use.

[0020] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application so that it can be implemented in accordance with the contents of the specification, and to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the following is a detailed description of the preferred embodiments of the present application in conjunction with the accompanying drawings as follows.

[0021] Based on the detailed description of the specific embodiments of the present application in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other objects, advantages and features of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the structure of the present invention during demoulding;

[0025] Figure 3 It is a structural schematic diagram of the lifting frame in the present invention;

[0026] Figure 4 It is a schematic diagram of the structure of the lifting frame of the present invention when it is rising.

[0027] In the figure: 1. bottom plate; 2. lower die mounting platform; 3. lifting cylinder; 4. upper die; 5. upper die mounting platform; 6. slider 1; 7. slide rail 1; 8. lifting frame; 9. upper sprocket; 10. side bracket; 11. fixed frame; 12. slide rail 2; 13. slider 2; 14. lower sprocket; 15. rotating frame; 16. gear; 17. gear rod; 18. lower die; 19. chain; 20. support. DETAILED DESCRIPTION

[0028] To make the purpose, technical scheme and advantages of the embodiment of the present application clearer, the technical scheme in the embodiment of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the present application. Obviously, the described embodiment is a part of the embodiment of the present application, rather than all of the embodiments. In the following description, specific details such as specific configuration and components are provided only to help fully understand the embodiments of the present application. Therefore, it should be clear to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, for clarity and brevity, the description of known functions and structures is omitted in the embodiment.

[0029] In addition, the present application may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplicity and clarity, and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0030] The term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist at the same time. The term " / and" in this article describes another type of association object relationship, indicating that there can be two relationships. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the previous and next associated objects are in an "or" relationship.

[0031] It should also be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusions.

[0032] See also Figure 1-4 The present invention provides a technical solution of a silicone demoulding device for a prototype model: comprising a bottom plate 1, both sides of the bottom plate 1 are fixedly connected with side brackets 10, a support 20 is fixedly connected between the middle parts of the two side brackets 10, a slide rail 2 12 is installed on the inner side of the side bracket 10, both slide rails 2 12 are slidably connected with a slider 2 13, the slider 2 13 is fixedly connected with a lifting frame 8, a slide rail 1 7 is installed on the side of the lifting frame 8, the slide rail 1 7 is slidably connected with a slider 1 6, the slider 1 6 is fixedly connected with an upper mold mounting platform 5, and the bottom end of the upper mold mounting platform 5 is fixedly connected with an upper mold 4;

[0033] A lower sprocket 14 is rotatably connected to one side of the bottom end of the lifting frame 8 , and the lower sprocket 14 is fixedly connected to the lower die mounting platform 2 , and a lower die 18 is mounted on the top end of the lower die mounting platform 2 .

[0034] At the top and bottom of the front of the lifting frame 8, an upper sprocket 9 and a lower sprocket 14 are respectively installed, and the upper sprocket 9 and the lower sprocket 14 are drivingly connected by a chain 19.

[0035] The chain 19 is fixedly connected to the first slider 6, and a fixing frame 11 is fixedly connected to one side of the side bracket 10, and the fixing frame 11 is fixedly connected to the chain 19.

[0036] Lifting cylinders 3 are installed on both sides of the support 20, and the telescopic ends of the lifting cylinders 3 are fixedly connected to the lifting frame 8. The lifting cylinders 3 can be replaced by any telescopic components such as oil cylinders and electric telescopic rods.

[0037] Rack bars 17 are fixedly connected to both sides of the top of the support 20, a gear 16 is installed in the middle of the lower sprocket 14, and the gear 16 is meshed with the rack bars 17. The lower mold 18 is flipped 180 degrees during the rising process through the gear 16 and the rack bars 17.

[0038] The shapes of the upper mold mounting table 5 and the lower mold mounting table 2 are both "C"-shaped. The upper mold 4 and the upper mold mounting table 5, as well as the lower mold mounting table 2 and the lower mold 18, are fixedly connected by pins. The installation is convenient through pin fixation.

[0039] An injection hole is provided at the top of the upper mold mounting table 5, and the injection hole communicates with the injection cavity of the upper mold 4. When the upper and lower molds are closed, product injection molding is carried out.

[0040] The rack bars 17 and the lifting frame 8 are both vertically arranged.

[0041] The upper sprocket 9 is located directly above the lower sprocket 14. The upper sprocket 9 and the lower sprocket 14 have the same specifications. The chain 19 is divided into two equal-length sections by the upper sprocket 9 and the lower sprocket 14. The first slide rail 7 is fixedly connected to one section of the chain 19, and the fixing frame 11 is fixedly connected to the other section of the chain 19. The two sections are vertically and parallelly distributed, so that the first slider 6 slides with a stroke twice that of the second slider 13.

[0042] The upper mold 4 and the lower mold 18 are a set of silicone molds.

[0043] During specific use, the present invention can realize automatic demoulding. When demoulding is required, the lifting cylinders 3 on both sides drive the lifting frame 8 to move upward, and the lifting frame 8 drives the lower mold 18 to lift up through the rotating frame 15 and the lower mold mounting platform 2. At the same time, when the lifting frame 8 rises, the chain 19 starts to rotate, and the chain 19 drives the upper mold mounting platform 5 to move upward through the slider 6. At this time, the movement of the upper mold 4 is twice the stroke of the lower mold 18, so that the upper mold 4 and the lower mold 18 are opened, and in the process of the lower mold 18 rising, the gear 16 rotates on the gear rod 17, thereby turning the lower mold 18 180 degrees, thereby realizing rapid demoulding of the lower mold 18. Compared with the existing silicone mold injection molding mechanism, the present invention can realize rapid demoulding of the mold and is more convenient to use.

[0044] The above description is only the preferred embodiment of the present invention, which does not limit the protection scope of the present invention. For those skilled in the art, the present invention can be modified and varied in various ways. Within the spirit and principle of the present invention, any change, modification, replacement, integration and parameter change of these embodiments by conventional substitution or capable of achieving the same function without departing from the principle and spirit of the present invention shall fall within the protection scope of the present invention.

Claims

1. A silicone demoulding device for a hand model, characterized in that: It includes a bottom plate (1), both sides of the bottom plate (1) are fixedly connected with side brackets (10), a support (20) is fixedly connected between the middle parts of the two side brackets (10), a second slide rail (12) is installed inside the side brackets (10), two second slide rails (12) are both slidably connected with second sliders (13), the second sliders (13) are fixedly connected with a lifting frame (8), a first slide rail (7) is installed on the side of the lifting frame (8), the first slide rail (7) is slidably connected with a first slider (6), the first slider (6) is fixedly connected with an upper mold mounting table (5), and an upper mold (4) is fixedly connected to the bottom end of the upper mold mounting table (5). One side of the bottom end of the lifting frame (8) is rotatably connected with a lower sprocket (14), the lower sprocket (14) is fixedly connected with a lower mold mounting table (2), and a lower mold (18) is installed on the top end of the lower mold mounting table (2).

2. A silicone demoulding device for a hand model as claimed in claim 1, characterized in that: An upper sprocket (9) and a lower sprocket (14) are respectively installed at the top end and the bottom end of the front surface of the lifting frame (8), and the upper sprocket (9) and the lower sprocket (14) are传动连接 by a chain (19).

3. A silicone demoulding device for a hand model as claimed in claim 2, characterized in that: The chain (19) is fixedly connected with the first slider (6), a fixing frame (11) is fixedly connected to one side of the side bracket (10), and the fixing frame (11) is fixedly connected with the chain (19).

4. A silicone demoulding device for a hand model as claimed in claim 3, characterized in that: Lifting cylinders (3) are installed on both sides of the support (20), and the telescopic ends of the lifting cylinders (3) are fixedly connected with the lifting frame (8).

5. A silicone demoulding device for a hand model as claimed in claim 3, characterized in that: Rack bars (17) are fixedly connected to both sides of the top end of the support (20), a gear (16) is installed in the middle of the lower sprocket (14), and the gear (16) is meshed with the rack bar (17).

6. A silicone demoulding device for a hand model as claimed in claim 3, characterized in that: The shapes of the upper mold mounting table (5) and the lower mold mounting table (2) are both "C"-shaped, and the upper mold (4) and the upper mold mounting table (5) as well as the lower mold mounting table (2) and the lower mold (18) are fixedly connected by pins.

7. A silicone demoulding device for a hand-made model as claimed in claim 3, characterized in that: An injection hole is opened at the top end of the upper mold mounting table (5), and the injection hole is communicated with the injection cavity of the upper mold (4).

8. A silicone demoulding device for a hand model as claimed in claim 5, characterized in that: The rack bar (17) and the lifting frame (8) are both vertically arranged.

9. A silicone demoulding device for a hand-made model as claimed in claim 3, characterized in that: The upper sprocket (9) is located directly above the lower sprocket (14), the upper sprocket (9) and the lower sprocket (14) have the same specifications, the chain (19) is divided into two equal-length sections by the upper sprocket (9) and the lower sprocket (14), the first slide rail (7) is fixedly connected to one of the sections of the chain (19), and the fixing frame (11) is fixedly connected to the other section of the chain (19).

10. A silicone demoulding device for a hand model as claimed in claim 3, characterized in that: The upper mold (4) and the lower mold (18) are a set of silicone molds.

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