Cooling device of plastic vacuum forming machine and plastic vacuum forming machine

Abstract

The utility model relates to a plastic vacuum forming machine cooling device and a plastic vacuum forming machine, the plastic vacuum forming machine cooling device is used for cooling formed workpieces, the cooling device comprises an air supply assembly, the air supply assembly comprises an air duct connected with a vacuum sealing box, an air door arranged in the air duct and a cooling fan, and the air door can move relative to the vacuum sealing box under the action of external force so as to have an open state and a closed state; in the closed state, the negative pressure assembly works to adsorb and form materials; in the opening state, the vacuum sealing box is communicated with the cooling fan through the air duct, cooling air blown out by the cooling fan can reach the interior of the vacuum sealing box and is directly blown to the formed workpiece, diffusion of airflow is reduced, and therefore the cooling effect of the formed workpiece is ensured, the cooling time is shortened, and the cooling efficiency is improved. The air flow blown into the vacuum sealing box can flow through the gap between the formed workpiece and the vacuum sealing box, so that the corners of the bottom of the formed workpiece are fully cooled, and the quality and the consistency of the formed workpiece are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to blister machine technical field, concretely relates to a blister machine cooling device and blister machine. BACKGROUND

[0002] In the blister forming process, the cooling link of the forming workpiece is very important, which directly affects the quality and production efficiency of the product. The traditional blister machine cooling device usually uses a fan fixed on the frame of the blister machine equipment to blow and cool the forming workpiece. This cooling process usually moves the forming workpiece out of the vacuum sealed box first, and then uses the fan on the frame of the blister machine equipment to blow and cool the forming workpiece. However, this method causes the air flow to scatter due to the long distance between the fan and the forming workpiece, resulting in long cooling time and poor effect.

[0003] Therefore, it is necessary to improve the prior art to overcome the defects in the prior art. INVENTION CONTENTS

[0004] Therefore, the present application provides a blister machine cooling device to solve at least one problem in the background art, which is used to cool the forming workpiece. The cooling device comprises:

[0005] The air supply assembly comprises a wind pipe connected with the vacuum sealed box, a damper arranged in the wind pipe, and a cooling fan connected with the wind pipe. The damper can move relative to the vacuum sealed box under the action of external force to have an open state and a closed state. When in the open state, the vacuum sealed box is in communication with the cooling fan through the wind pipe.

[0006] The driving assembly comprises a driving cylinder mounted on the wind pipe and a transmission member. The transmission member connects the driving cylinder and the damper. The transmission member can convert the linear motion of the driving cylinder into the rotary motion of the damper to switch the damper between the open state and the closed state.

[0007] Optionally, the above-mentioned blister machine cooling device, the wind pipe comprises a butt joint part connected with the vacuum sealed box and a connecting part, the first end of the connecting part is connected with the butt joint part, and the second end of the connecting part is connected with the cooling fan.

[0008] The connecting part is arranged from top to bottom from the second end to the first end.

[0009] Optionally, the above-mentioned blister machine cooling device, the second end of the connecting part is provided with a ventilation opening, and the damper is switched between the open state and the closed state to open or close the ventilation opening.

[0010] Optionally, the above-mentioned blister machine cooling device, the wind pipe is integrally formed.

[0011] Optionally, the cooling device of the blister machine, the air supply assembly further comprises a rotating shaft connected with the transmission component and a bearing component sleeved outside the rotating shaft.

[0012] The rotating shaft comprises a first plane, the damper comprises a second plane matched with the first plane, the damper is connected with the rotating shaft through the first plane and the second plane, and the rotating shaft can drive the damper to rotate along the bearing component under the action of the transmission component.

[0013] Optionally, the cooling device of the blister machine, the damper comprises a rotating part connected with the rotating shaft and a shielding part connected with the rotating part, and the shielding part is arranged in a bent manner to shield the air vent.

[0014] Optionally, the cooling device of the blister machine, a sealing element is arranged on the inner wall of the second end of the connecting part, and the sealing element is arranged around the air vent.

[0015] Optionally, the cooling device of the blister machine, the abutting part comprises an abutting port connected with the vacuum sealing box.

[0016] When the damper is in the open position, one end of the damper close to the abutting port is flush with or higher than the bottom end of the abutting port.

[0017] Optionally, the cooling device of the blister machine, the driving cylinder is arranged on the connecting part in a vertical direction, the transmission component comprises a connecting piece connected with the driving cylinder and a transmission piece, and the transmission piece connects the connecting piece and the rotating shaft.

[0018] The application further provides a blister machine, comprising:

[0019] The forming device comprises a vacuum sealing box, a mold located in the vacuum sealing box, and a negative pressure assembly connected with the vacuum sealing box, and the vacuum sealing box can move relative to the frame body under the action of an external force to make the mold demold from a forming workpiece.

[0020] The cooling device is installed outside the vacuum sealing box, and the cooling device is the cooling device of the blister machine as described in any one of the above.

[0021] Compared with the prior art, the application has the beneficial effects that: by being provided with the air duct, the air door arranged in the air duct and the cooling fan connected with the air duct, and the air duct being directly connected with the vacuum sealing box, the air door can move relative to the vacuum sealing box under the action of external force to have the open state and the closed state, when the workpiece needs to be formed, the air door moves under the action of external force to switch to the closed state, and the negative pressure assembly works to adsorb and form the material; when the formed workpiece needs to be cooled, the air door moves under the action of external force to switch to the open state, and the cooling air blown out by the cooling fan can reach the vacuum sealing box to directly blow to the formed workpiece, so that the diffusion of the airflow is reduced, thereby ensuring the cooling effect of the formed workpiece, shortening the cooling time, improving the cooling efficiency, and the airflow blown into the vacuum sealing box can flow through the gap between the formed workpiece and the vacuum sealing box, so that the bottom corner of the formed workpiece is fully cooled, and the quality and consistency of the formed workpiece are improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structure schematic view of the cooling device of the blister machine shown in the application;

[0023] Figure 2 is a schematic view of the air door of the cooling device of the blister machine shown in the application in the closed state;

[0024] Figure 3 is a schematic view of the air door of the cooling device of the blister machine shown in the application in the open state;

[0025] Figure 4 is a sectional view of the cooling device of the blister machine shown in the application; Figure 1

[0026] Figure 5 is a partial view of the cooling device of the blister machine shown in the application. Figure 1 REFERENCE SIGNS:

[0027] 10-vacuum sealing box, 20-formed workpiece;

[0028] 1-air supply assembly, 11-air duct, 111-abutment part, 1111-abutment part, 112-connection part, 1121-first end, 1122-second end, 12-air door, 121-rotation part, 122-shielding part, 13-rotation shaft, 14-bearing part;

[0029] 2-driving assembly, 21-driving cylinder, 22-transmission part, 221-connection piece, 222-transmission piece.

[0030] DETAILED DESCRIPTION

[0031] ​​Exemplary embodiments of the present application will be described in greater detail below. In the following description, numerous specific details are given to provide a thorough understanding of the present application. However, it will be apparent that the present application can be practiced without one or more of these specific details. In other instances, well-known structures and techniques have not been described in order to not unnecessarily obscure the present application.

[0032] It should be understood that when an element or layer is referred to as being "on", "adjacent", "connected to" or "coupled to" another element or layer, it can be directly on, adjacent, connected or coupled to the other element or layer, or one or more intervening elements or layers can be present. In contrast, when an element is referred to as being "directly on", "directly adjacent", "directly connected to", or "directly coupled to" another element or layer, then there are no intervening elements or layers present. It will be appreciated that, although terms such as first, second, third, etc. can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application and, similarly, a second element, component, region, layer or section discussed below could be termed a first element, component, region, layer or section without departing from the teachings of the present application.

[0033] Spatially relative terms, such as "beneath", "below", "lower", "under", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

[0034] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. As used herein the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0035] For a thorough understanding of the present application, detailed steps and detailed structures will be presented in the following description in order to illustrate the technical solutions of the present application. The preferred embodiments of the present application are described in detail as follows, however, in addition to these detailed descriptions, the present application can also have other implementation manners.

[0036] Please refer to Figures 1-5 As shown in the drawings, the blister machine shown in a preferred embodiment of the present application is used for vacuum suction forming of materials. The blister machine comprises a forming device and a cooling device, the forming device is used for forming materials, and the cooling device is used for cooling the formed workpiece 20. The forming device comprises a vacuum sealing box 10, a mold located in the vacuum sealing box 10, and a negative pressure assembly connected with the vacuum sealing box 10. The negative pressure assembly is used to generate negative pressure in the vacuum sealing box 10 to form materials on the mold. The vacuum sealing box 10 can move relative to the formed workpiece 20 under the action of an external force to facilitate demolding from the formed workpiece 20.

[0037] However, in the prior art, the cooling device is usually installed on the equipment frame of the blister machine. When the formed workpiece 20 needs to be cooled after forming, the vacuum sealing box 10 and the formed workpiece 20 need to be moved out first so that the cooling device on the equipment frame can cool the formed workpiece 20. However, due to the long distance between the fan and the formed workpiece 20, the cooling air blown out by the cooling device is scattered, resulting in long cooling time and poor effect. Moreover, the scattered air flow cannot reach the bottom corner of the formed workpiece 20, which cannot be cooled, seriously affecting the product quality.

[0038] To solve the above problems, in the present application, the cooling device comprises a air supply assembly 1 and a driving assembly 2. The air supply assembly 1 is used to blow cold air to the formed workpiece 20 to cool the formed workpiece 20. Specifically, the air supply assembly 1 comprises a air duct 11 connected with the vacuum sealing box 10, a air door 12 arranged in the air duct 11, and a cooling fan connected with the air duct 11. The air door 12 can move relative to the vacuum sealing box 10 under the action of an external force to have an open state and a closed state. When the material needs to be blister formed, the air door 12 is switched to the closed state, and the negative pressure assembly generates negative pressure to make the material in the vacuum sealing box 10 form on the mold. When the formed workpiece 20 needs to be cooled, the air door 12 is switched to the open state, the vacuum sealing box 10 is communicated with the cooling fan through the air duct 11, and the cooling fan blows cooling air to the formed workpiece 20 to achieve cooling.

[0039] The driving assembly 2 comprises a driving cylinder 21 installed on the air duct 11 and a transmission member 22. The transmission member 22 connects the driving cylinder 21 and the air door 12. The transmission member 22 can convert the linear motion of the driving cylinder 21 into the rotary motion of the air door 12 to switch the air door 12 between the open state and the closed state.

[0040] It should be noted that in the embodiment, when the workpiece 20 needs to be adsorbed and formed, the air door 12 is closed, at this time, the vacuum sealing box 10 is sleeved outside the mold, and the workpiece 20 is obtained by generating negative pressure through the negative pressure assembly; when the workpiece 20 needs to be cooled, the air door 12 is opened, at this time, there is a gap between the bottom of the vacuum sealing box 10 and the workpiece 20. The reason for such arrangement is that during the cooling process, the vacuum sealing box 10 is sleeved outside the workpiece 20, so that the cooling air blown by the cooling fan can be gathered, the scattering of the cooling air can be reduced, the cooling effect can be improved, and the cooling time can be shortened. There is a gap between the vacuum sealing box 10 and the bottom of the workpiece 20, so that the cooling air blown by the cooling fan can flow out of the gap, balance the air pressure in the vacuum sealing box 10, and cool the bottom corner of the workpiece 20, so that the workpiece 20 is cooled as a whole, and the quality of the workpiece 20 is improved.

[0041] Further, the air duct 11 includes a connecting portion 111 connected with the vacuum sealing box 10 and a connecting portion 112, the first end 1121 of the connecting portion 112 is connected with the connecting portion 111, and the second end 1122 of the connecting portion 112 is connected with the cooling fan; the connecting portion 112 is arranged in a bending structure from the second end 1122 to the first end 1121, so that the airflow blown by the cooling fan can be buffered by the bending structure, avoiding the direct impact of the cooling air on the workpiece 20, which can cause damage to the workpiece 20, and also avoiding the direct blowing of the cooling air on the workpiece 20, which can cause uneven cooling effect. In the embodiment, the second end 1122 of the connecting portion 112 is provided with a ventilation opening, and the air door 12 is switched between the open state and the closed state to open or close the ventilation opening.

[0042] In the embodiment, the air duct 11 is integrally formed, so as to improve the stability of the entire air duct 11, and reduce the quality of the workpiece 20 or the cooling effect caused by loose connection or air leakage.

[0043] The air supply assembly 1 further comprises a rotating shaft 13 connected with the transmission component 22 and a bearing component 14 sleeved outside the rotating shaft 13, the driving cylinder 21 drives the transmission component 22 to move, and converts the linear motion of the driving cylinder 21 into the rotating motion of the rotating shaft 13 through the transmission component 22, and then the rotating shaft 13 can drive the air door 12 to rotate. By providing the bearing component 14, the switching between the open state and the closed state of the air door 12 is smoother, mechanical wear is reduced, and the service life of the equipment is prolonged. At the same time, the bearing component 14 can also reduce the rotating resistance of the rotating shaft 13, improve the working efficiency of the driving cylinder 21, and further optimize the performance of the cooling device. The rotating shaft 13 comprises a first plane, and the air door 12 comprises a second plane matched with the first plane. The air door 12 is connected with the rotating shaft 13 through the first plane and the second plane. The connection between the rotating shaft 13 and the air door 12 through the first plane and the second plane can improve the connection stability and prevent the air door 12 from being deviated from the rotating shaft 13.

[0044] Further, the air door 12 comprises a rotating part 121 connected with the rotating shaft 13 and a shielding part 122 connected with the rotating part 121. The shielding part 122 is arranged in a bent manner and is used for shielding the air vent. The shielding part 122 arranged in a bent manner can better shield the air vent, so that the cold air is not leaked in the closed state of the air door 12, and the sealing performance of the cooling device is improved.

[0045] Further, a sealing element is arranged on the inner wall of the second end 1122 of the connecting part 112. The sealing element is arranged around the air vent, and the sealing performance of the air door 12 in the closed state is further improved.

[0046] In the embodiment, the abutting part 111 comprises an abutting surface 1111 connected with the vacuum sealing box 10. When the air door 12 is in the open position, the end of the air door 12 close to the abutting surface 1111 is flush with or higher than the bottom end of the abutting surface 1111. In this way, the cooling air can smoothly enter the vacuum sealing box 10 and directly blow to the formed workpiece 20, avoiding the obstruction and diffusion of the cooling air at the abutting surface 1111, further improving the cooling effect and efficiency, and ensuring that each part of the formed workpiece 20 can be fully cooled.

[0047] In the embodiment, the driving cylinder 21 is arranged on the connecting part 112 in the vertical direction. The transmission component 22 comprises a connecting element 221 connected with the driving cylinder 21 and a transmission element 222 connected with the connecting element 221 and the rotating shaft 13. By arranging the driving cylinder 21 on the connecting part 112 in the arrangement direction, the linear motion of the driving cylinder 21 can be effectively converted into the rotating motion of the air door 12, and the occupied space of the driving cylinder 21 can be reduced, so that the structure of the entire cooling device is more compact, and the cooling device is easy to be integrated on the vacuum forming machine, thereby reducing the overall size and cost of the entire equipment.

[0048] The foregoing is merely one implementation of the present application, and any improvements made on the basis of the concept of the present application are considered to be within the scope of the present application.

Claims

1. A blister machine cooling device, characterized by, The application relates to a cooling device for cooling a formed workpiece, comprising: an air supply assembly comprising an air duct connected with a vacuum sealing box, an air door arranged in the air duct and a cooling fan connected with the air duct, the air door being movable relative to the vacuum sealing box under the action of an external force to have an open state and a closed state, and the vacuum sealing box being in communication with the cooling fan through the air duct when the air door is in the open state; a driving assembly comprising a driving cylinder mounted on the air duct and a transmission component, the transmission component connecting the driving cylinder and the air door, and the transmission component being capable of converting linear motion of the driving cylinder into rotary motion of the air door to switch the air door between the open state and the closed state.

2. The blister machine cooling apparatus of claim 1, wherein, The air duct comprises a connecting portion connected with the vacuum sealing box and a connecting portion, the first end of the connecting portion being connected with the connecting portion, and the second end of the connecting portion being connected with the cooling fan; The connecting portion is arranged in a bent manner from top to bottom from the second end to the first end.

3. The blister machine cooling apparatus of claim 2, wherein, An air vent is arranged on the outer wall of the second end of the connecting portion, and the air door is switched between the open state and the closed state to open or close the air vent.

4. The blister machine cooling apparatus of claim 1, wherein, The air duct is integrally formed.

5. The blister machine cooling apparatus of claim 3, wherein, The air supply assembly further comprises a rotating shaft connected with the transmission component and a bearing component sleeved outside the rotating shaft; The rotating shaft comprises a first plane, and the air door comprises a second plane matched with the first plane, the air door being connected with the rotating shaft through the first plane and the second plane, and the rotating shaft being capable of driving the air door to rotate along the bearing component under the action of the transmission component.

6. The blister machine cooling apparatus of claim 5, wherein, The air door comprises a rotating portion connected with the rotating shaft and a shielding portion connected with the rotating portion, and the shielding portion is arranged in a bent manner to shield the air vent.

7. The blister machine cooling apparatus of claim 6, wherein, A sealing element is arranged on the inner wall of the second end of the connecting portion, and the sealing element is arranged around the air vent.

8. The blister machine cooling apparatus of claim 6, wherein, The connecting portion comprises a connecting port connected with the vacuum sealing box; When the air door is in the open position, one end of the air door close to the connecting port is flush with or higher than the bottom end of the connecting port.

9. The blister machine cooling apparatus of claim 6, wherein, The driving cylinder is arranged on the connecting portion in a vertical direction, the transmission component comprises a connecting element connected with the driving cylinder and a transmission element, and the transmission element connects the connecting element and the rotating shaft.

10. A blister machine characterized in that, The application relates to a cooling device for cooling a formed workpiece, comprising: a forming device comprising a vacuum sealing box, a mold arranged in the vacuum sealing box and a negative pressure assembly connected with the vacuum sealing box, the vacuum sealing box being movable under the action of an external force to make the mold demold from a formed workpiece; a cooling device mounted outside the vacuum sealing box, the cooling device being the cooling device of the blister machine according to any one of claims 1-9.

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