A bubble pressing device and a bubble pressing method

Abstract

The present invention relates to the technical field of packaging equipment, and specifically discloses a bubble pressing device and a bubble pressing method, including a feeding mechanism, a flipping mechanism, a pressing mechanism and a discharging mechanism; the feeding mechanism sends articles to the flipping mechanism, the pressing mechanism performs a defoaming operation on the articles carried by the flipping mechanism, the discharging mechanism flips the articles transferred by the flipping mechanism, and the flipping mechanism receives the articles and flips and transfers the articles; wherein the flipping mechanism includes a bearing plate, a push plate located on the bearing plate, the two are arranged at an angle, and a push rod and a base, wherein the push rod connects the bearing plate and the base, and the push rod pushes the bearing plate to flip a predetermined angle. The bubble pressing device provided by the present invention can perform bubble pressing on one side, wherein the flipping mechanism drives the bearing plate to flip through the push rod, and the push rod has both the pushing and supporting functions, so the flipping structure has good stability, and the stroke of the push rod can control the flipping angle of the bearing plate, thereby improving the flipping accuracy of the flipping mechanism during the flipping process.

Description

Technical Field

[0001] The invention relates to the technical field of packaging equipment, and in particular to a bubble pressing device and a bubble pressing method. Background Art

[0002] The bubble pressing device is a flattening and correction device specially used to solve the problems of bubbles, bulges, wrinkles, deformation and other problems on the laminating surface of paper boxes after they are made and formed. The bubble pressing device solves the problem of rough precision caused by traditional manual scraping and rubbing, and ensures that the paper boxes have full excellent characteristics and precision after forming.

[0003] However, the existing bubble pressing device presses bubbles on multiple surfaces at the same time, which has a slow bubble pressing speed and poor bubble pressing effect.

[0004] How to further improve the foaming speed and yield rate of the foaming device is of great significance. Summary of the invention

[0005] The first object of the present invention is to provide a bubble pressing device to replace the bubble pressing process in a traditional bubble pressing device.

[0006] In order to achieve the above-mentioned purpose, the present invention provides a bubble pressing device, including a feeding mechanism, a turning mechanism, a pressing mechanism and a discharging mechanism;

[0007] The feeding mechanism is located at one side of the flipping mechanism and feeds the articles to the flipping mechanism;

[0008] The pressing mechanism is located above the flipping mechanism and performs a defoaming operation on the articles carried by the flipping mechanism;

[0009] The discharging mechanism is located on one side of the flipping mechanism and receives the objects transferred by the flipping mechanism;

[0010] The flipping mechanism receives the object and performs flipping and transfer operations on the object;

[0011] The flipping mechanism comprises a bearing plate, a push plate, a push rod and a base;

[0012] The push plate is located on the bearing plate and is arranged at a predetermined angle with the bearing plate, and the push plate can reciprocate on the bearing plate;

[0013] The push rod is connected to the bearing plate and the base respectively;

[0014] The push rod pushes the bearing plate to flip over a predetermined angle, and the base is fixed.

[0015] Further, one end of the push rod is connected to the bearing plate, the other end of the push rod is connected to the base, the connection point between the push rod and the bearing plate is a first node, and the connection point between the push rod and the base plate is a second node;

[0016] The push rod rotates about the first node and the second node.

[0017] Furthermore, there are at least two push rods arranged in a cross shape, and the push rods are pushed by a first power device, which acts on one of the push rods, and the remaining push rods are used to support the supporting plate and limit the flipping angle of the supporting plate.

[0018] Furthermore, it also includes a bearing base, which is located below the bearing plate and is used to support the bearing plate.

[0019] Furthermore, the flip mechanism has two working states, namely a first working state and a second working state, and the push rod is used for switching between the first working state and the second working state;

[0020] In the first working state, the carrying plate is in a horizontal state, and the push plate is in a vertical state;

[0021] In the second working state, the supporting plate is in a vertical state, and the pushing plate is in a horizontal state.

[0022] Furthermore, there are four flipping mechanisms, which are sequentially arranged between the feeding mechanism and the discharging mechanism, and a pressing mechanism is correspondingly arranged above each flipping mechanism;

[0023] When the turnover mechanism is in the first working state, the adjacent turnover mechanism is in the second working state, and the spaces between the carrying plates and the push plates in the two turnover mechanisms are in communication.

[0024] Furthermore, the feeding mechanism includes a feeding guide rail, a feeding platform and a pushing mechanism, the feeding guide rail is connected to the feeding platform, the objects are sent to the feeding platform through the feeding guide rail, and the pushing mechanism pushes the objects to a flipping mechanism adjacent to the feeding mechanism.

[0025] Furthermore, the clamping mechanism includes a clamping plate, a bracket, a guide rod and a power device.

[0026] The bracket is connected to the base and is used to support the pressing plate, the guide rod and the power device;

[0027] The pressing plate is connected to a guide rod, the guide rod is connected to a power device, the power device drives the pressing plate to move up and down, and the pressing plate is used to press the articles on the bottom plate.

[0028] Furthermore, a heating layer is provided on one side surface of the pressing plate for pressing the objects.

[0029] Accordingly, a foaming method is provided, which uses a foaming device to foam an article, comprising the following steps:

[0030] The turning mechanism adjacent to the feeding mechanism is in the second state, and the feeding mechanism feeds the article into the turning mechanism;

[0031] After receiving the article, the turning mechanism turns the article from the second state to the first state. After the turning, the pressing mechanism performs a bubble pressing operation on one side of the article.

[0032] After the bubble pressing operation is completed, the flipping mechanism transfers the bubble pressed articles to the next flipping mechanism in the second state. After the articles are transferred, the flipping mechanism flips from the first state to the second state, and continues to receive the articles delivered by the previous flipping mechanism or the feeding mechanism.

[0033] After the bubble pressing is completed, the turning mechanism transfers the items to the discharging mechanism.

[0034] Compared with the prior art, the present invention has the following beneficial effects:

[0035] The foaming device provided by the present invention has a one-to-one correspondence between the pressing mechanism and the turning mechanism, thereby achieving defoaming of a single side of the article. The article is turned over when transferred between the turning mechanisms, thereby achieving continuous defoaming of multiple sides of the article. This single-side defoaming operation method has better defoaming effect and high consistency, is suitable for automated assembly line operation, has higher efficiency and higher finished product quality. In addition, the turning mechanism drives the carrying plate to turn over by a push rod, and the push rod has both pushing and supporting functions. Therefore, the turning structure has good stability, and the stroke of the push rod can control the turning angle of the carrying plate, thereby improving the turning accuracy of the turning mechanism during the turning process, and avoiding the problem of low efficiency in transmitting articles between turning angles due to low turning angle accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0037] Figure 1 It is a schematic diagram of the structure of a bubble pressing device according to an embodiment of the present invention;

[0038] Figure 2 It is a schematic diagram of the structure of the flipping mechanism of an embodiment of the present invention;

[0039] Figure 3 Schematic diagram of two working states of the turning mechanism of the embodiment of the present invention;

[0040] Figure 4 Schematic diagram of two working states of the turning mechanism of the embodiment of the present invention;

[0041] Figure 5 This is a working flow chart of the bubble pressing device according to an embodiment of the present invention;

[0042] Figure 6 It is a schematic diagram of the bubble pressing process of an embodiment of the present invention.

[0043] Reference numerals:

[0044] 100-turning mechanism; 101-first turning mechanism; 102-second turning mechanism; 103-third turning mechanism; 104-fourth turning mechanism; 110-carrying plate; 111-limiting plate; 112-third cylinder; 120-push plate; 121-scissor-type telescopic structure; 122-second cylinder; 123-folding cantilever; 130-push rod; 131-first cylinder; 140-base; 150-carrying base; 160-limiting block;

[0045] 200-feeding mechanism; 201-pushing mechanism;

[0046] 300-discharging mechanism; 400-pressing mechanism; 401-pressing plate; 402-bracket; 403-guide rod; 500-base;

[0047] A-first state; B-second state;

[0048] a-first side; b-second side; c-third side; d-fourth side. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0051] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0052] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0053] Figure 1 It is a schematic structural diagram of a bubble pressing device according to an embodiment of the present invention.

[0054] Please refer to Figure 1 The bubble pressing device comprises a turning mechanism 100, a feeding mechanism 200, a discharging mechanism 300, a pressing mechanism 400 and a base 500. The base 500 is used to carry the turning mechanism 100, the feeding mechanism 200, the discharging mechanism 300 and the pressing mechanism 400. The turning mechanism 100 is located between the feeding mechanism 200 and the discharging mechanism 300, and the pressing mechanism 400 is located above the turning mechanism 100.

[0055] In this embodiment, there are four flipping mechanisms 100, which are identical and are arranged on the base 200 in sequence, namely, a first flipping mechanism 101, a second flipping mechanism 102, a third flipping mechanism 103 and a fourth flipping mechanism 104. The four flipping mechanisms 100 flip the four sides of the packaging box in sequence.

[0056] Specifically, Figure 2As shown, the flip mechanism 100 includes a carrying plate 110, a push plate 120, a push rod 130 and a base 140, wherein the base 140 is fixedly connected to the base 500. In this embodiment, there are four push rods 120, two push rods 130 are distributed on both sides of the carrying plate 110, and the push rods 130 are staggered in a cross shape on both sides of the carrying plate 110, and do not interfere with each other at the intersection. One end of the push rod 130 is connected to the carrying plate 110, and the push rod 130 can rotate around its connection, and the other end is connected to the base 140, and the push rod 130 can rotate around its connection. Power is applied to the push rod 130 to rotate the push rod 130 around the connection. Since the base 140 is fixed and is used for fixed connection with the operating table or other similar components, only the carrying plate 110 will flip under the rotation and pushing action of the push rod 130. In this embodiment, the flip angle of the carrying plate 110 is 90 degrees, that is, the carrying plate 110 can flip from a state parallel to the horizontal plane to a state perpendicular to the horizontal plane under the action of the push rod 130. The carrying plate 110 is used to carry objects to be pressed (such as packaging boxes), and the pressing surface of the objects to be pressed is switched by flipping the carrying plate 110.

[0057] In this embodiment, the device for applying power to the push rod 130 is a first cylinder 131, and there are two first cylinders 131, which are distributed on both sides of the carrier plate 110. The telescopic rod of the first cylinder 131 is connected to one of the two push rods 130 on both sides of the carrier plate 110, pushing the push rod 130 to rotate, thereby driving the carrier plate 110 to flip, and the remaining push rod 130 not connected to the first cylinder 131 plays a role in supporting the carrier plate 110 and limiting the flip angle of the carrier plate 110. The flip angle of the carrier plate 110 can also be limited by the stroke of the first cylinder 131. In other embodiments, the device for applying power to the push rod 130 may not be a cylinder, but may be other devices that can provide power.

[0058] In this embodiment, a push plate 120 is disposed above the carrier plate 110 and is perpendicular to the carrier plate 110. The space between the push plate 120 and the carrier plate 110 is used to place the objects to be pressed. The push plate 120 can reciprocate on the carrier plate along the horizontal plane of the carrier plate to transfer the objects to be pressed on the carrier plate 110 and transfer the objects to be pressed on the carrier plate 110 to the next station.

[0059] Specifically, the push plate 120 realizes telescopic reciprocating motion through the scissor-type telescopic structure 121, and the power source of the scissor-type telescopic structure 121 comes from the second cylinder 122 connected thereto. The scissor-type telescopic structure 121 and the second cylinder 122 are both located on the carrier plate 110, and the movable end of the scissor-type telescopic structure 121 is connected to the push plate 120, and the other end is a fixed end, which is fixedly connected to the carrier plate 110. The second cylinder 122 applies power to the scissor-type telescopic structure 121, prompting the scissor-type telescopic structure 121 to perform a scissor-like opening or closing action, and the scissor-type telescopic structure 121 then drives the push plate 120 to perform reciprocating motion. This scissor-type telescopic structure 121 has a simple structure and uses the principle of a lever, so the applied force is small, and a small power source can be selected to make the structure more compact.

[0060] Furthermore, the push plate 120 is also connected to a folding cantilever 123, one end of the folding cantilever 123 is fixedly connected to the supporting plate 110, and the other end is connected to the push plate 120, so as to support the push plate 120 and follow the push plate 120 to make a folding movement, so that the push plate 120 is suspended above the supporting plate 110, avoiding direct contact between the push plate 120 and the supporting plate 110, reducing the friction of the push plate 120 during reciprocating motion, and thereby reducing the load of the second cylinder 122.

[0061] In this embodiment, a limiting plate 111 is provided on the carrier plate 110, and the limiting plate 111 is arranged vertically with the carrier plate 110. There are two limiting plates 111, which are respectively located on both sides of the push plate 120 and are arranged opposite to each other. The distance between the two limiting plates 111 is greater than the length of the push plate 120, so as to avoid interference with the movement of the push plate 120. The space surrounded by the limiting plate 111, the carrier plate 110 and the push plate 120 is used to place the objects to be pressed. The limiting plate 111 can prevent the objects to be pressed above the carrier plate 110 from falling from both sides of the carrier plate 110 during the transfer process. In addition, the limiting plate 111 on one side of the carrier plate 110 in this embodiment can move inward under the action of the third cylinder 112, and press the objects to be pressed on the carrier plate 110, thereby preventing the carrier plate 110 from throwing out the objects to be pressed during the flipping process. In other embodiments, the limiting plates 111 on both sides of the carrier plate 110 can move inward.

[0062] In this embodiment, a bearing base 150 is further included, and the bearing base 150 is located below the bearing plate 110 and contacts the bearing plate 110 in a horizontal state. When the objects to be pressed on the bearing plate 110 are pressed, the bearing plate 110 will be subjected to pressure from the pressing mechanism. The setting of the bearing base 150 can effectively share the pressure on the bearing plate 110, and avoids the pressure on the bearing plate 110 being borne by the push rod 130 and the first cylinder 131, thereby enhancing the stability of the entire device during operation.

[0063] In this embodiment, a limit block 160 is further provided on the base 140, and the limit block 160 is located on the path of the rotation interval of one of the push rods 130, and is used to limit the range of motion of the push rod 130, so as to ensure that the support plate 110 does not flip too much under the action of the push rod 130. In other embodiments, the flip angle of the support plate 110 can also be limited by setting a limit on the progress of the first cylinder 131.

[0064] like Figure 3-4 As shown, there are two working states of the turning mechanism of this embodiment, namely, the first state A and the second state B. When the turning mechanism is in the first state A, the carrying plate 110 is parallel to the horizontal plane, and the push plate 120 is perpendicular to the horizontal plane, and this state is the bubble pressing state. When the turning mechanism is in the second state B, the carrying plate 110 is perpendicular to the horizontal plane, and the push plate 120 is parallel to the horizontal plane, and this state is the transfer state.

[0065] When one of the flipping mechanisms 100 is in the second state B, and the flipping mechanism 100 adjacent to it is in the first state A, the push plate 121 in the flipping mechanism 100 in the second state B and the carrying plate 110 in the flipping mechanism in the first state A are located at the same horizontal plane, and the gap between the two is small enough to allow the packaging box carried in the flipping mechanism 100 in the first state A to be transferred to the flipping mechanism 100 in the second state B under the push of the push plate 120. For example: when the first flipping mechanism 101 is in the second state B and the second flipping mechanism 102 is in the first state A, the push plate 120 in the first flipping mechanism 101 and the carrying plate 110 in the second flipping mechanism 102 are located at the same horizontal plane.

[0066] In this embodiment, the feeding mechanism 200 includes a feeding guide rail (not shown), a feeding platform (not shown) and a pushing mechanism 201. The feeding guide rail is connected to the feeding platform. The feeding guide rail has a certain height and inclination. The packaging box is sent to the feeding platform through the feeding guide rail under the action of gravity. The feeding platform is arranged adjacent to the first flipping mechanism 101, and is located in the same horizontal plane as the supporting plate 110 in the first flipping mechanism 101 when it is in the first state A, and the gap between the two is small enough to allow the pushing mechanism 201 to push the packaging box to transfer to the first flipping mechanism 101.

[0067] In this embodiment, the discharging mechanism 300 is located on the base 500 and is disposed adjacent to the fourth turning mechanism 104 , and is used to receive the packaging box delivered by the fourth turning mechanism 104 .

[0068] In this embodiment, the clamping mechanism 400 is located above the flipping mechanism 100, and a clamping mechanism 400 is correspondingly arranged above each flipping mechanism for clamping the packaging box. The clamping mechanism 400 includes a clamping plate 401, a bracket 402, a guide rod 403 and a power device. The bracket 402 is connected to the base 500, and is used to support the clamping plate 401, the guide rod 403 and the power device; the clamping plate 401 is connected to the guide rod 403, and the guide rod 403 is connected to the power device, and the power device drives the clamping plate 401 to move up and down, and the clamping plate 401 is used to clamp the packaging box on the carrier plate 110 to defoam the packaging box. The length of the clamping plate 401 is slightly smaller than the distance between the two limit plates 111.

[0069] In one embodiment, a heating layer is further provided on one side of the surface of the pressing plate 401 for pressing the articles. The heating layer can heat the contact surface of the packaging box, and the adhesive has a better bonding effect under the heating effect.

[0070] Figure 5 The present invention is a flow chart of an embodiment of a bubble pressing method.

[0071] Please refer to Figure 5 The method embodiment uses a bubble pressing mechanism to press bubbles, specifically comprising the following steps:

[0072] 10. Feeding

[0073] like Figure 6 As shown, the feeding mechanism delivers the packaging box that needs to be bubbled to the first turning mechanism, and the first turning mechanism is in the second state B at this time.

[0074] 20. Turn over and press the bubble

[0075] like Figure 6 As shown, after receiving the packaging box, the first flipping mechanism flips from the second state B to the first state A. After flipping, the pressing mechanism performs a bubble pressing operation on the first side a of the packaging box.

[0076] 30. Transfer and Flip

[0077] like Figure 6 As shown, after the bubble pressing operation is completed, the first flip mechanism transfers the bubble pressed packaging box to the second flip mechanism in the second state. After transferring the packaging box, the first flip mechanism flips from the first state A to the second state B, and the first flip mechanism repeats the steps of feeding, flipping, bubble pressing, and transferring and flipping.

[0078] After receiving the packaging box, the second flipping mechanism flips from the second state B to the first state A, and the pressing mechanism performs a bubble pressing operation on the second surface b of the packaging box. After the bubble pressing operation is completed, the second flipping mechanism transfers the bubble pressed packaging box to the third flipping mechanism in the second state B. After transferring the packaging box, the second flipping mechanism flips from the first state A to the second state B. The second flipping mechanism repeats the steps of receiving the packaging box, flipping, pressing bubbles, and transferring and flipping.

[0079] After receiving the packaging box, the third flipping mechanism flips from the second state B to the first state A, and the pressing mechanism performs a bubble pressing operation on the third surface c of the packaging box. After the bubble pressing operation is completed, the third flipping mechanism transfers the packaging box after bubble pressing to the fourth flipping mechanism in the second state B. After transferring the packaging box, the third flipping mechanism flips from the first state A to the second state B, and the third flipping mechanism repeats the steps of receiving the packaging box, flipping, pressing bubbles, and transferring and flipping.

[0080] 40. Turn over and press the foam to discharge the material

[0081] After receiving the packaging box, the fourth flipping mechanism flips from the second state B to the first state A, and the pressing mechanism performs a bubble pressing operation on the fourth side d of the packaging box. After the bubble pressing operation is completed, the fourth flipping mechanism transfers the packaging box with bubbles pressed on four sides to the discharging mechanism. After transferring the packaging box, the fourth flipping mechanism flips from the first state A to the second state B, and the fourth flipping mechanism repeats the steps of receiving the packaging box, flipping, bubble pressing and discharging.

[0082] In the above process, when the flipping mechanism flips the packaging box, the limit plate retracts inward to press and fix the side of the object to be pressed, so as to prevent the object to be pressed from being thrown out when the carrying plate flips over later. After the flipping is completed, before the packaging box on the carrying plate is pressed and defoamed, the limit plate loosens the object to be pressed outward, so that the object to be pressed is aligned under its own gravity, so as to avoid uneven defoaming caused by pressing bubbles when the object is not aligned.

[0083] In one embodiment, the defoaming operation process is: a predetermined pressure is applied between the pressing plate and one side of the packaging box, and maintained for a predetermined time, which is 5 to 15 seconds, so that the surface of the packaging box can be fully defoamed.

[0084] To sum up, in the embodiment of the foaming device provided by the present invention, the pressing mechanism and the flipping mechanism correspond one-to-one to achieve defoaming of a single side of the article, and the article is flipped when transferred between the flipping mechanisms, thereby achieving continuous defoaming of multiple sides of the article. This single-sided defoaming operation method has better defoaming effect and high consistency, is suitable for automated assembly line operation, has higher efficiency, and has higher finished product quality; in addition, the flipping mechanism drives the supporting plate to flip through the push rod, and the push rod has both pushing and supporting functions. Therefore, the flipping structure has good stability, and the stroke of the push rod can control the flipping angle of the supporting plate, thereby improving the flipping accuracy of the flipping mechanism during the flipping process, and avoiding the problem of inefficient transmission of articles between flipping angles due to low flipping angle accuracy.

[0085] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A bubble pressing device, characterized in that: It includes a feeding mechanism, a turning mechanism, a pressing mechanism and a discharging mechanism; The feeding mechanism is located at one side of the flipping mechanism and feeds the articles to the flipping mechanism; The pressing mechanism is located above the flipping mechanism and performs a defoaming operation on the articles carried by the flipping mechanism; The discharging mechanism is located on one side of the flipping mechanism and receives the objects transferred by the flipping mechanism; The flipping mechanism receives the object and performs flipping and transfer operations on the object; The flipping mechanism comprises a bearing plate, a push plate, a push rod and a base; The push plate is located on the carrying plate and is arranged at a predetermined angle with the carrying plate. The push plate can make reciprocating motion on the carrying plate, and the push plate realizes telescopic reciprocating motion through a scissor-type telescopic structure. The scissor-type telescopic structure is connected to the second cylinder. The push plate is also connected to a folding cantilever. One end of the folding cantilever is fixedly connected to the carrying plate, and the other end is connected to the push plate to support the push plate and follow the push plate to make a folding motion, so that the push plate is suspended above the carrying plate, avoiding direct contact between the push plate and the carrying plate, reducing the friction of the push plate during reciprocating motion, and thereby reducing the load of the second cylinder; The push rod is connected to the bearing plate and the base respectively; The push rod pushes the carrying plate to flip over a predetermined angle, and the base is fixed; One end of the push rod is connected to the bearing plate, and the other end of the push rod is connected to the base. The connection point between the push rod and the bearing plate is a first node, and the connection point between the push rod and the base is a second node. The push rod rotates around the first node and the second node; There are at least two push rods, which are arranged in a cross shape and do not interfere with each other at the intersection. The push rods are pushed by a first power device, which acts on one of the push rods, and the remaining push rods are used to support the load-bearing plate and limit the flipping angle of the load-bearing plate; The flip mechanism has two working states, namely a first working state and a second working state, and the push rod is used for switching between the first working state and the second working state; In the first working state, the carrying plate is in a horizontal state, and the push plate is in a vertical state; In the second working state, the carrying plate is in a vertical state, and the push plate is in a horizontal state; There are four flipping mechanisms, which are sequentially arranged between the feeding mechanism and the discharging mechanism, and a pressing mechanism is correspondingly arranged above each flipping mechanism; When the turnover mechanism is in the first working state, the adjacent turnover mechanism is in the second working state, and the spaces between the carrying plates and the push plates in the two turnover mechanisms are in communication.

2. A bubble pressing device according to claim 1, characterized in that: It also includes a bearing base, which is located below the bearing plate and is used to support the bearing plate.

3. A bubble pressing device according to claim 1, characterized in that: The feeding mechanism comprises a feeding guide rail, a feeding platform and a pushing mechanism, wherein the feeding guide rail is connected to the feeding platform, and objects are fed to the feeding platform via the feeding guide rail, and the pushing mechanism pushes the objects to a turning mechanism adjacent to the feeding mechanism.

4. A bubble pressing device according to claim 1, characterized in that: The bubble pressing device also includes a base, the pressing mechanism is arranged on the base, and the pressing mechanism includes a pressing plate, a bracket, a guide rod and a power device. The bracket is connected to the base and is used to support the pressing plate, the guide rod and the power device; The pressing plate is connected to a guide rod, the guide rod is connected to a power device, the power device drives the pressing plate to move up and down, and the pressing plate is used to press the objects on the base.

5. A bubble pressing device according to claim 4, characterized in that: A heating layer is arranged on one side of the pressing plate for pressing objects.

6. A foam pressing method, characterized in that: Using the foam pressing device as claimed in any one of claims 1 to 5 to press foam on an article comprises the following steps: The turning mechanism adjacent to the feeding mechanism is in the second state, and the feeding mechanism feeds the article into the turning mechanism; After receiving the article, the turning mechanism turns the article from the second state to the first state. After the turning, the pressing mechanism performs a bubble pressing operation on one side of the article. After the bubble pressing operation is completed, the flipping mechanism transfers the bubble pressed articles to the next flipping mechanism in the second state. After the articles are transferred, the flipping mechanism flips from the first state to the second state and continues to receive the articles transferred by the previous flipping mechanism or feeding mechanism. After the bubble pressing is completed, the turning mechanism transfers the items to the discharging mechanism.

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