Mould for lower protective plate body of cabin

Abstract

A cabin lower protection plate body mold comprises an upper mold, a lower mold, a mold base, an ejection assembly, a first pipeline, a second pipeline and an air injection pipeline. The lower die is installed on the die base, a second pipeline is arranged in the lower die and used for heating or cooling the lower die, and the ejection assembly is used for ejecting a formed workpiece of the lower die; the upper mold is arranged above the lower mold, a first pipeline and an air injection pipeline are arranged in the upper mold, the first pipeline is used for heating or cooling the upper mold, and the air injection pipeline is used for leaving a formed workpiece on the lower mold during mold opening. According to the cabin lower guard plate body die provided by the utility model, the problems that in the prior art, after a compression molding die is subjected to compression molding, one part of a molded workpiece is adhered to an upper die, and the other part of the molded workpiece is adhered to a lower die, so that the molded workpiece is respectively stretched up and down by the upper die and the lower die during die opening; and the problems of deformation and cracking possibly occur are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of compression molding dies, in particular to a cabin lower guard plate body die. Background Art

[0002] Compression Molding is a molding method, mainly used for molding thermosetting plastics, rubber, wood, ceramics and other materials. This method uses a special molding equipment to put a certain amount of pre-pressed material into the preheated mold cavity, and then apply a certain pressure and temperature after the mold is closed to soften the raw material in the mold cavity. The material is pressed and molded with the help of the mold cavity shape, and after a certain period of curing reaction, the product is demolded and taken out.

[0003] However, in the prior art, after compression molding, a portion of the molded workpiece will stick to the upper mold, and another portion of the molded workpiece will stick to the lower mold, resulting in the molded workpiece being stretched up and down by the upper mold and the lower mold respectively when the mold is opened, which may cause deformation and cracking. Utility Model Content

[0004] The purpose of the utility model is to propose a cabin lower guard plate body mold, which solves the problem of the compression molding mold in the prior art that after compression molding, a part of the molded workpiece will stick to the upper mold, and the other part of the molded workpiece will stick to the lower mold, resulting in the molded workpiece being stretched up and down by the upper mold and the lower mold respectively when the mold is opened, and then deformation and cracking may occur.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A cabin lower guard plate body mold, comprising an upper mold, a lower mold, a mold base, an ejector assembly, a first pipeline, a second pipeline and an air injection pipeline;

[0007] The lower die is mounted on the die base, the lower die is provided with the second pipeline inside, the second pipeline is used to heat or cool the lower die, and the ejection assembly is used to eject the formed workpiece of the lower die;

[0008] The upper mold is arranged above the lower mold, and the first pipeline and the air injection pipeline are respectively arranged inside the upper mold. The first pipeline is used to heat or cool the upper mold, and the air injection pipeline is used to keep the molded workpiece in the lower mold when the mold is opened.

[0009] Further, the first pipeline includes a first pipeline, a second pipeline, a third pipeline, a fourth pipeline and a fifth pipeline;

[0010] One end of the first pipeline is connected to the fourth pipeline, the other end of the first pipeline is connected to one end of the fifth pipeline, one end of the first pipeline is provided with an input port, one end of the third pipeline is connected to the other end of the fifth pipeline, and the other end of the third pipeline is provided with an output port;

[0011] One end of the second pipe is connected to the fourth pipe, the other end of the second pipe is connected to the fifth pipe, the second pipe is located between the first pipe and the third pipe, and a plurality of second pipes are evenly distributed along the length direction of the upper mold.

[0012] Specifically, the second pipeline and the third pipeline are respectively provided with a height tube, and the height tube is vertically arranged.

[0013] Preferably, the number of the first pipeline and the number of the second pipeline are two respectively, two first pipelines are arranged inside the upper mold, and the two first pipelines are mirror-symmetrical, and two second pipelines are arranged inside the lower mold, and the two second pipelines are mirror-symmetrical.

[0014] In some embodiments, the jet pipeline includes an air intake pipe and a jet pipe, one end of the air intake pipe is provided with an air inlet, the other end of the air intake pipe is provided with a jet pipe, the jet pipe is vertically arranged, and the jet pipe is used to connect to the molding die surface of the upper mold.

[0015] Further, the ejection assembly includes a moving plate, a mounting plate, a push rod, a guide rod and a driving part;

[0016] A guide column is provided inside the mold base, the movable plate can be lifted and installed on the guide column, and the driving part is used to drive the movable plate to move up and down;

[0017] The mounting plate is mounted on the top of the movable plate, one end of the push rod is mounted on the mounting plate, the other end of the push rod can be raised and lowered on the lower mold, and the other end of the push rod can protrude from the forming mold surface of the lower mold, one end of the guide rod is mounted on the mounting plate, and the other end of the guide rod can be raised and lowered on the lower mold.

[0018] Specifically, the movable plate is provided with a first air avoidance area, the mold base is provided with a second air avoidance area, the first air avoidance area is opposite to the second air avoidance area, the driving part is installed on the movable plate, and the output end of the driving part is located in the first air avoidance area.

[0019] Preferably, the ejection assembly further comprises a limiting column, one end of which is mounted on the mounting plate, and the other end of which can abut against the bottom surface of the lower mold.

[0020] Compared with the prior art, one of the above technical solutions has the following beneficial effects:

[0021] 1. Through the first pipeline and the second pipeline, not only hot oil can be introduced to heat the mold, but also cold water can be introduced to cool the mold, realizing dual-purpose of one pipe. No additional cooling pipeline is required, which is convenient and fast, and achieves the effect of improving the versatility of the cabin lower guard plate body mold.

[0022] 2. Through the jet pipeline, the molded workpiece is always in the lower mold during the mold opening process, preventing the molded workpiece from sticking to the upper mold and making it inconvenient to take the material. It can also prevent the molded workpiece from sticking to the upper mold and the lower mold respectively, causing deformation and cracking of the molded workpiece during mold opening, thereby achieving the effect of improving the production quality of the cabin lower guard plate body mold;

[0023] 3. The ejector assembly assists the molded workpiece to be ejected from the lower mold, which is convenient and quick, thereby improving the production efficiency of the cabin lower guard plate body mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a structural schematic diagram of a cabin lower guard plate body mold of one embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the first pipeline in one embodiment of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the jet pipeline of one embodiment of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of an ejection assembly in one embodiment of the utility model;

[0028] Among them: upper mold 1, lower mold 2, mold base 3, guide pillar 31, second air avoidance area 32, ejection assembly 4, movable plate 41, first air avoidance area 411, mounting plate 42, push rod 43, guide rod 44, drive unit 45, limit pillar 46, first pipeline 51, input port 511, second pipeline 52, third pipeline 53, output port 531, fourth pipeline 54, fifth pipeline 55, height tube 56, air intake pipeline 71, air intake port 711, and jet pipeline 72. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", "inner side", "outer side", "inner end", "outer end", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features, which are used to distinguish and describe the features, without distinction of order or importance. In the description of the present utility model, unless otherwise specified, "multiple" means more than two.

[0031] In one embodiment of the present invention, Figure 1-4As shown, a cabin lower guard plate body mold comprises an upper mold 1, a lower mold 2, a mold base 3, an ejection assembly 4, a first pipeline, a second pipeline and an air jet pipeline; the lower mold 2 is installed on the mold base 3, the lower mold 2 is provided with the second pipeline inside, the second pipeline is used to heat or cool the lower mold 2, and the ejection assembly 4 is used to eject the molded workpiece of the lower mold 2; the upper mold 1 is arranged above the lower mold 2, the upper mold 1 is provided with the first pipeline 5 and the air jet pipeline inside, the first pipeline 5 is used to heat or cool the upper mold 1, and the air jet pipeline is used to keep the molded workpiece in the lower mold 2 when the mold is opened.In this embodiment, when the upper mold 1 and the lower mold 2 need to be heated, hot oil can be introduced into the first pipeline and the second pipeline respectively, so as to heat the mold. When the upper mold 1 and the lower mold 2 need to be cooled, cold water can be introduced into the first pipeline and the second pipeline respectively, so as to cool the mold. The first pipeline and the second pipeline have the same structure. One end of the jet pipeline is connected to an external air source, and the other end of the jet pipeline is connected to the molding die surface of the upper mold 1. When working, hot oil is introduced into the first pipeline and the second pipeline respectively. The upper mold 1 and the lower mold 2 are heated and raised to a set stable temperature. Specifically, a thermometer can be used to detect the surface temperature of the mold, and then a material block is placed in the molding area of ​​the lower mold 2. It should be noted that the material block has been heated by a screw machine and extruded in a block shape. After the material block is placed, the upper mold 1 moves downward and closes with the lower mold 2 to mold the material block into a desired workpiece. After the temperature and pressure are kept set for a time, the upper mold 1 moves upward to open the mold. During the mold opening process, an external gas source introduces gas into the jet pipeline, and the gas is ejected from the molding die surface of the upper mold 1 to prevent the molded workpiece from sticking to the molding die of the upper mold 1. The upper mold 1 moves upward with the upper mold 1, and then the molded workpiece of the lower mold 2 is lifted up from the molding mold surface of the lower mold 2 by the ejection assembly 4, so as to facilitate the removal of the molded workpiece. After the upper mold 1 and the lower mold 2 have been working for a period of time, for example, after the molds are closed thirty times, a thermometer is used to detect the surface temperature of the upper mold 1 and the lower mold 2. If the temperature is too high, cold water is respectively introduced into the first pipeline and the second pipeline for cooling to prevent the mold temperature from being too high. The present application uses the first pipeline and the second pipeline not only to introduce hot oil to heat the mold, but also to introduce cold water to cool the mold, so as to achieve dual purposes of one pipe without the need for additional A cooling pipeline is set up separately, which is convenient and quick, and the versatility of the cabin lower guard plate body mold is improved. Furthermore, through the jet pipeline, during the mold opening process, the molded workpiece is always in the lower mold 2, which prevents the molded workpiece from sticking to the upper mold 1 and making it inconvenient to take out the material, and can also prevent the molded workpiece from sticking to the upper mold 1 and the lower mold 2 respectively, resulting in deformation and cracking of the molded workpiece during mold opening, thereby improving the production quality of the cabin lower guard plate body mold; and the ejection component 4 assists the molded workpiece to be removed from the lower mold 2, which is convenient and quick, thereby improving the production efficiency of the cabin lower guard plate body mold.

[0032] like Figure 2As shown, the first pipeline includes a first pipeline 51, a second pipeline 52, a third pipeline 53, a fourth pipeline 54 and a fifth pipeline 55; one end of the first pipeline 51 is connected to the fourth pipeline 54, the other end of the first pipeline 51 is connected to one end of the fifth pipeline 55, one end of the first pipeline 51 is provided with an input port 511, one end of the third pipeline 53 is connected to the other end of the fifth pipeline 55, and the other end of the third pipeline 53 is provided with an output port 531; one end of the second pipeline 52 is connected to the fourth pipeline 54, the other end of the second pipeline 52 is connected to the fifth pipeline 55, the second pipeline 52 is located between the first pipeline 51 and the third pipeline 53, and a plurality of second pipelines 52 are evenly distributed along the length direction of the upper mold 1. In this embodiment, the first pipeline 51, the second pipeline 52 and the third pipeline 53 are respectively arranged along the width direction of the upper mold 1, and the fourth pipeline 54 and the fifth pipeline 55 are respectively arranged along the length direction of the upper mold 1. One end of the first pipeline 51 is vertically connected to the fourth pipeline 54, and the other end of the first pipeline 51 is vertically connected to one end of the fifth pipeline 55. One end of the third pipeline 53 is vertically connected to the other end of the fifth pipeline 55. One end of the second pipeline 52 is vertically connected to the fourth pipeline 54, and the other end of the second pipeline 52 is vertically connected to the fifth pipeline 55. When working, hot oil or Cold water enters from the output port 511 of the first pipe 51, then passes through the second pipe 52, the third pipe 53, the fourth pipe 54 and the fifth pipe 55 to heat up or cool down the upper mold 1, and finally flows out from the output port 531 of the third pipe 53. The first pipe 51, multiple second pipes 52 and the third pipe 53 are respectively and evenly arranged inside the upper mold 1 to ensure that the temperature of each area inside the upper mold 1 is uniform. The pipe adopts a large-aperture oil hole of φ19 European standard, which has a fast heating speed, can quickly heat up, save production time, and adopts an internal circulation design to avoid heat dissipation and prevent workers from being scalded.

[0033] like Figure 2 As shown, the second pipe 52 and the third pipe 53 are respectively provided with a height pipe 56, and the height pipe 56 is vertically arranged. In this embodiment, because the thickness of the mold is relatively thick, a plurality of height pipes 56 are respectively provided in the second pipe 52 and the third pipe 53, and the temperature of the entire mold can be made more uniform through the height pipes 56. The plurality of height pipes 56 can be arranged according to the actual mold clamping and molding position, so that the plurality of height pipes 56 are arranged close to the mold clamping and molding area.

[0034] like Figure 2As shown, the number of the first pipeline and the number of the second pipeline are two respectively, the interior of the upper mold 1 is provided with two first pipelines, the two first pipelines are mirror-symmetrical, and the interior of the lower mold 2 is provided with two second pipelines, the two second pipelines are mirror-symmetrical. In this embodiment, two first pipelines and two second pipelines are respectively provided inside the upper mold 1 and the lower mold 2, and the upper mold 1 and the lower mold 2 respectively realize two inlets and two outlets through two sets of first pipelines and two sets of second pipelines, thereby improving the efficiency of heating and cooling, and the two sets of the first pipelines are mirror-symmetrical, and the two sets of the second pipelines ensure that the upper mold 1 and the lower mold 2 are heated evenly.

[0035] like Figure 3 As shown, the jet pipeline includes an air intake pipe 71 and an air jet pipe 72. An air intake port 711 is provided at one end of the air intake pipe 71, and an air jet pipe 72 is provided at the other end of the air intake pipe 71. The air jet pipe 72 is vertically arranged, and the air jet pipe 72 is used to be connected to the molding surface of the upper mold 1. In this embodiment, there are two air jet pipes 72, one end of the two air jet pipes 72 is vertically connected to the air intake pipe 71, and the other end of the two air jet pipes 72 is connected to the molding surface of the upper mold 1. When the mold is opened, air is ventilated to the air intake pipe 71 through the air intake port 711, and then the gas is ejected through the air jet pipe 72, so as to prevent the molded workpiece from sticking to the molding surface of the upper mold 1.

[0036] like Figure 1 and Figure 4As shown, the ejection assembly 4 includes a movable plate 41, a mounting plate 42, a push rod 43, a guide rod 44 and a driving unit 45; a guide column 31 is provided inside the mold base 3, the movable plate 41 can be lifted and installed on the guide column 31, and the driving unit 45 is used to drive the movable plate 41 to move up and down; the mounting plate 42 is installed on the top of the movable plate 41, one end of the push rod 43 is installed on the mounting plate 42, the other end of the push rod 43 can be lifted and installed on the lower mold 2, and the other end of the push rod 43 can protrude from the molding mold surface of the lower mold 2, one end of the guide rod 44 is installed on the mounting plate 42, and the other end of the guide rod 44 can be lifted and installed on the lower mold 2. In this embodiment, the mounting plate 43 is installed with a plurality of push rods 43, and the mounting plate 43 is installed with four guide rods 44, which are respectively located at the four end corners of the mounting plate 42. When the formed workpiece needs to be lifted, the driving part 45 drives the movable plate 41 to move upward, and the movable plate 41 drives the mounting plate 42 to move upward, so that the push rods 43 move upward, and the push rods 43 protrude from the forming die surface of the lower mold 2, thereby lifting the formed workpiece, and the top of the guide rod 44 will also protrude as the mounting plate 42 moves upward, but the guide rod 44 mainly plays a guiding role. In this embodiment, the ejection assembly 4 is arranged inside the mold base 3 and below the lower mold 2, so as to improve the space utilization rate of the cabin lower guard plate body mold.

[0037] like Figure 4 As shown, the movable plate 41 is provided with a first air avoidance area 411, the mold base 3 is provided with a second air avoidance area 32, the first air avoidance area 411 is directly opposite to the second air avoidance area 32, the driving part 45 is installed on the movable plate 41, and the output end of the driving part 45 is located in the first air avoidance area 411. In this embodiment, the driving part 45 is a cylinder, the driving part 45 is installed on the movable plate 41, and the driving part 45 is located on the outer side of the mounting plate 42. When working, the output end of the driving part 45 extends downward, and the output end of the driving part 45 sequentially passes through the first air avoidance area 411 and the second air avoidance area 32 until it reaches the bottom surface or the working platform. Under the action of the reaction force, the driving part 45 moves upward, thereby driving the movable plate 41 to move upward, and then the push rod 43 moves upward to lift the formed workpiece, which is convenient and quick.

[0038] like Figure 4As shown, the ejection assembly 4 further includes a limiting column 46, one end of which is mounted on the mounting plate 42, and the other end of which can abut against the bottom surface of the lower mold 2. In this embodiment, the limiting column 46 is provided on the mounting plate 42, and when the limiting column 46 moves upward following the moving plate 41 through the mounting plate 42, after the top of the limiting column 46 abuts against the bottom surface of the lower mold 2, the moving plate 41 cannot continue to move upward, that is, the moving plate 41 is at the maximum rising height, so as to prevent the driving part 45 from losing control and causing the molded workpiece to be continuously lifted up and collide with the upper mold 1 and be damaged.

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A cabin lower guard plate body mold, characterized in that: It includes an upper die, a lower die, a die base, an ejector assembly, a first pipeline, a second pipeline and an air jet pipeline; The lower die is mounted on the die base, the lower die is provided with the second pipeline inside, the second pipeline is used to heat or cool the lower die, and the ejection assembly is used to eject the formed workpiece of the lower die; The upper mold is arranged above the lower mold, and the first pipeline and the air injection pipeline are respectively arranged inside the upper mold. The first pipeline is used to heat or cool the upper mold, and the air injection pipeline is used to keep the molded workpiece in the lower mold when the mold is opened.

2. The mold for the lower guard plate of the cabin according to claim 1, characterized in that: The first pipeline includes a first pipeline, a second pipeline, a third pipeline, a fourth pipeline and a fifth pipeline; One end of the first pipeline is connected to the fourth pipeline, the other end of the first pipeline is connected to one end of the fifth pipeline, one end of the first pipeline is provided with an input port, one end of the third pipeline is connected to the other end of the fifth pipeline, and the other end of the third pipeline is provided with an output port; One end of the second pipe is connected to the fourth pipe, the other end of the second pipe is connected to the fifth pipe, the second pipe is located between the first pipe and the third pipe, and a plurality of second pipes are evenly distributed along the length direction of the upper mold.

3. The mold for the lower guard plate of the cabin according to claim 2, characterized in that: The second pipeline and the third pipeline are respectively provided with height tubes, and the height tubes are vertically arranged.

4. The cabin lower guard plate body mold according to claim 1, characterized in that: The number of the first pipeline and the number of the second pipeline are two respectively. Two first pipelines are arranged inside the upper mold, and the two first pipelines are mirror-symmetrical. Two second pipelines are arranged inside the lower mold, and the two second pipelines are mirror-symmetrical.

5. The cabin lower guard plate body mold according to claim 1, characterized in that: The jet pipeline includes an air intake pipe and an jet pipe, one end of the air intake pipe is provided with an air inlet, the other end of the air intake pipe is provided with a jet pipe, the jet pipe is vertically arranged, and the jet pipe is used to connect to the forming die surface of the upper die.

6. The cabin lower guard plate body mold according to claim 1, characterized in that: The ejection assembly includes a moving plate, a mounting plate, a push rod, a guide rod and a driving part; A guide column is provided inside the mold base, the movable plate can be lifted and installed on the guide column, and the driving part is used to drive the movable plate to move up and down; The mounting plate is mounted on the top of the movable plate, one end of the push rod is mounted on the mounting plate, the other end of the push rod can be raised and lowered on the lower mold, and the other end of the push rod can protrude from the forming mold surface of the lower mold, one end of the guide rod is mounted on the mounting plate, and the other end of the guide rod can be raised and lowered on the lower mold.

7. The cabin lower guard plate body mold according to claim 6, characterized in that: The movable plate is provided with a first air avoidance area, the mold base is provided with a second air avoidance area, the first air avoidance area is opposite to the second air avoidance area, the driving part is installed on the movable plate, and the output end of the driving part is located in the first air avoidance area.

8. The cabin lower guard plate body mold according to claim 6, characterized in that: The ejection assembly further comprises a limiting column, one end of which is mounted on the mounting plate, and the other end of which can abut against the bottom surface of the lower mold.

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