Suction support forming device

Abstract

The utility model belongs to the field of automatic forming equipment, and provides a suction support forming device which comprises a stock bin, a mold and a transfer assembly. Wherein the stock bin is used for storing paper support blanks; the mold forms a cavity used for forming the paper holder blank into a target paper holder, the cavity is provided with an opening used for feeding, a plurality of ejector rods are connected to the bottom wall opposite to the opening, and the axial direction of the ejector rods is parallel to the orientation of the opening of the cavity; the transfer assembly comprises a suction cup used for transferring the paper support blank from the stock bin into the cavity and further comprises a driving mechanism which is in transmission connection with the suction cup and used for driving the suction cup, and the bottom wall, used for being connected with the ejector rod, of the cavity is further provided with a containing groove used for containing the suction cup.

Description

Technical Field

[0001] This application belongs to the field of automatic molding equipment, and in particular relates to a suction molding device. Background Technology

[0002] Currently, paper trays are commonly used as protective support structures in the packaging of pre-filled syringes. The pre-filled syringes are placed inside the paper tray before being packaged together. Traditional paper tray blanks are flattened sheet structures that need to be unfolded and shaped before the pre-filled syringe material is added. When shaping the paper tray blank into a three-dimensional tray, its top and bottom surfaces must be fully separated to achieve its carrying function. However, because the paper tray blank is made of soft material and the top and bottom surfaces are in close contact after flattening, they are difficult to separate effectively during the molding process due to the material's insufficient flexibility and resilience. This results in the paper tray blank not being able to unfold evenly into a shape that meets the functional requirements, significantly reducing the molding yield of the paper tray blank. Therefore, it is necessary to solve the above-mentioned technical problems. Utility Model Content

[0003] The purpose of this application is to provide a suction forming device to solve the technical problem of low paper blank forming yield in the prior art.

[0004] To achieve the above objectives, the technical solution adopted in this application is: to provide a suction forming device, comprising:

[0005] The hopper is used to store paper blanks;

[0006] A mold that forms a cavity for shaping the paper tray blank into a target paper tray, the cavity having an opening for feeding and a plurality of push rods connected to a bottom wall opposite the opening, the axis of the push rods being parallel to the opening of the cavity;

[0007] The transfer assembly includes a suction cup for transferring the paper blank from the hopper to the cavity, and a drive mechanism connected to the suction cup for driving the suction cup. The bottom wall of the cavity for connecting the push rod is also provided with a receiving groove for accommodating the suction cup.

[0008] Optionally, the mold may also have movable cavities spaced apart from the mold cavity;

[0009] At least a portion of the push rod is housed in the movable cavity and is movable in the movable cavity along its own axial direction. The suction forming device further includes a spring disposed in the movable cavity, the spring abutting against the push rod and the spring force direction of the spring being parallel to the axial direction of the push rod.

[0010] Optionally, the end of the push rod located in the cavity is formed into a hemispherical shape.

[0011] Optionally, the push rods are symmetrically arranged on both sides of the receiving groove.

[0012] Optionally, the drive mechanism includes a servo motor, a rotating shaft, and a suction cup rod;

[0013] The rotating shaft is connected to the power end of the servo motor, the suction cup rod is connected to the rotating shaft and can rotate with the rotating shaft, the suction cup is installed at the end of the suction cup rod away from the rotating shaft, the cavity is located on the rotation path of the suction cup, and the receiving groove passes through the mold and allows the suction cup rod to pass through.

[0014] Optionally, multiple suction cup rods are provided at intervals along the axial direction of the rotating shaft;

[0015] The hopper, the mold, and the suction cup are each provided with multiple sets corresponding to the suction cup rod.

[0016] Optionally, the discharge direction of the hopper is inclined relative to the horizontal direction;

[0017] The hopper is also equipped with baffles to prevent the paper blank from actively detaching from the hopper.

[0018] The beneficial effects of the suction forming device provided in this application are as follows: Compared with the prior art, in the suction forming device provided in this application, since the bottom wall of the cavity is connected with a push rod whose axis is parallel to its own opening direction, and since the bottom wall of the cavity used to connect the push rod is also provided with a receiving groove for accommodating the suction cup, when the suction cup picks up the paper tray blank from the hopper into the cavity, the suction cup can enter the receiving groove to make the bottom surface of the paper tray blank contact with the mold. In this way, the paper tray blank only needs to be machined with a through hole for the push rod to pass through so that the top surface of the paper tray blank can be effectively separated from the bottom surface of the paper tray blank by the push rod during the process of entering the cavity. Therefore, the suction forming device provided in this application can significantly improve the forming yield of the paper tray blank, which is far superior to the prior art. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of the suction and forming device in the embodiments of this application;

[0021] Figure 2 This is a schematic diagram of the main structure of the suction molding device in the embodiments of this application;

[0022] Figure 3 For along Figure 2 Cross-sectional view of line AA in the middle;

[0023] Figure 4 For along Figure 2 Cross-sectional view of the middle BB line;

[0024] Figure 5 This is a schematic diagram of the overall structure of the paper tray blank in an embodiment of this application;

[0025] Figure 6 This is a schematic diagram of the overall structure of the target paper tray in an embodiment of this application;

[0026] Figure 7 for Figure 4 Enlarged view of a section at point C.

[0027] The reference numerals in the figures are as follows: 101, hopper; 102, mold; 103, cavity; 104, ejector pin; 105, suction cup; 106, receiving groove; 107, movable cavity; 108, spring; 109, servo motor; 110, rotating shaft; 111, suction cup rod; 112, baffle; 201, paper tray blank; 202, target paper tray; 203, through hole; 204, top surface; 205, bottom surface. Detailed Implementation

[0028] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0029] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0030] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0032] Please refer to the following: Figures 1 to 7 The present application will now describe a suction forming apparatus according to an embodiment. This suction forming apparatus includes a material hopper 101, a mold 102, and a transfer assembly. Wherein:

[0033] The hopper 101 is used to store the paper tray blank 201; the mold 102 forms a cavity 103 for shaping the paper tray blank 201 into the target paper tray 202. The cavity 103 has an opening for feeding and a plurality of push rods 104 are connected to the bottom wall opposite to the opening. The axial direction of the push rods 104 is parallel to the opening of the cavity 103. The transfer assembly includes a suction cup 105 for transferring the paper tray blank 201 from the hopper 101 to the cavity 103, and also includes a drive mechanism that is drively connected to the suction cup 105 and used to drive the suction cup 105. The bottom wall of the cavity 103 for connecting the push rods 104 is also provided with a receiving groove 106 for accommodating the suction cup 105.

[0034] According to the structure provided in this embodiment, in the suction cup forming device provided in this embodiment, since a top rod 104 with an axial direction parallel to its own opening is connected to the bottom wall of the cavity 103, and since a receiving groove 106 for accommodating the suction cup 105 is also provided on the bottom wall of the cavity 103 for connecting the top rod 104, after the suction cup 105 picks up the paper tray blank 201 from the hopper 101 into the cavity 103, the suction cup 105 can enter the receiving groove 106. 6. The bottom surface 205 of the paper tray blank 201 contacts the mold 102. In this way, the paper tray blank 201 only needs to be machined with a through hole 203 on the bottom surface 205 for the ejector rod 104 to pass through. The top surface 204 of the paper tray blank 201 is effectively separated from the bottom surface 205 of the paper tray blank 201 by the ejector rod 104 during the process of entering the cavity 103. Therefore, the suction forming device provided in this embodiment can significantly improve the forming yield of the paper tray blank 201, which is far superior to the prior art.

[0035] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 7The mold 102 also forms a movable cavity 107 spaced apart from the cavity 103; at least a portion of the ejector rod 104 is accommodated in the movable cavity 107 and can move along its own axial direction in the movable cavity 107. The suction forming device also includes a spring 108 disposed in the movable cavity 107, the spring 108 abutting against the ejector rod 104 and the direction of the spring force of the spring 108 being parallel to the axial direction of the ejector rod 104. According to the above structure provided in this embodiment, since the spring force of the spring 108 is parallel to the axial direction of the ejector rod 104, when the force on the ejector rod 104 overcomes the spring force of the spring 108, the ejector rod 104 can exit the cavity 103 a certain distance by moving in the movable cavity 107. This can effectively avoid damage to the paper tray blank 201 by the ejector rod 104, thereby also helping to further improve the forming yield of the paper tray blank 201.

[0036] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 7 The push rod 104 is located in the cavity 103, and one end of it is hemispherical. According to the structure provided in this embodiment, the hemispherical shape of the end of the push rod 104 used to abut against the top surface of the paper tray 201 can effectively avoid damage to the paper tray 201, which is also conducive to further improving the molding yield of the paper tray 201.

[0037] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 7 The push rods 104 are symmetrically arranged on both sides of the receiving groove 106. According to the structure provided in this embodiment, the push rods 104 symmetrically arranged on both sides of the receiving groove 106 can make the top surface of the paper blank 201 uniformly stressed. This can not only make the top and bottom surfaces of the paper blank 201 fully separate, but also further improve the forming yield of the paper blank 201.

[0038] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 7 The drive mechanism includes a servo motor 109, a rotating shaft 110, and a suction cup rod 111. The rotating shaft 110 is connected to the power end of the servo motor 109, the suction cup rod 111 is connected to the rotating shaft 110 and can rotate with the rotating shaft 110, the suction cup 105 is installed at the end of the suction cup rod 111 away from the rotating shaft 110, the cavity 103 is located on the rotation path of the suction cup 105, and the receiving groove 106 passes through the mold 102 and allows the suction cup rod 111 to pass through.

[0039] According to the structure provided in this embodiment, the servo motor 109 can drive the rotating shaft 110 to reciprocate, thereby causing the end of the suction cup rod 111 away from the rotating shaft 110 to alternately approach the mold 102 and the material bin 101. In this way, the suction cup 105 connected to the suction cup rod 111 can also move stably and quickly between the material bin 101 and the mold 102. Since the receiving groove 106 also penetrates the mold 102 and allows the suction cup rod 111 to pass through, the mold 102 will not cause mechanical motion interference with the suction cup rod 111 during the process of the suction cup 105 entering the receiving groove 106. This is also beneficial to further improve the forming yield of the paper tray blank 201.

[0040] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 7 Multiple suction rods 111 are spaced apart along the axial direction of the rotating shaft 110; multiple sets of material bins 101, molds 102, and suction cups 105 are respectively arranged corresponding to the suction rods 111. According to the structure provided in this embodiment, the multiple sets of corresponding material bins 101, molds 102, suction cups 105, and suction rods 111 can significantly improve the forming efficiency of the paper tray blank 201 of the suction forming device in this embodiment.

[0041] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 7 The discharge direction of the hopper 101 is inclined relative to the horizontal direction. The hopper 101 is also equipped with a baffle 112 to prevent the paper tray blank 201 from actively detaching from the hopper 101. According to the structure provided in this embodiment, the hopper 101, with its discharge direction inclined relative to the horizontal direction, allows the suction cup 105 to more reliably extract the paper tray blank 201 from the hopper 101, which also helps to further improve the molding yield of the paper tray blank 201. It is understood that in specific implementations, the size of the baffle 112 can be flexibly set according to the actual production process, as long as it satisfies the purpose of preventing the paper tray blank 201 from actively detaching from the hopper 101 while allowing the suction cup 105 to extract the paper tray blank 201 from the hopper 101. Further details are omitted here.

[0042] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A suction and forming device, characterized in that include: The hopper (101) is used to store paper blanks (201). The mold (102) forms a cavity (103) for shaping the paper tray blank (201) into a target paper tray (202). The cavity (103) has an opening for feeding and a plurality of push rods (104) are connected to the bottom wall opposite to the opening. The axial direction of the push rods (104) is parallel to the opening of the cavity (103). The transfer assembly includes a suction cup (105) for transferring the paper blank (201) from the hopper (101) to the cavity (103), and a drive mechanism that is drively connected to the suction cup (105) and for driving the suction cup (105). The bottom wall of the cavity (103) for connecting the push rod (104) is also provided with a receiving groove (106) for accommodating the suction cup (105).

2. The suction forming apparatus as described in claim 1, characterized in that: The mold (102) also has movable cavities (107) spaced apart from the cavity (103). At least a portion of the push rod (104) is housed in the movable cavity (107) and is movable in the movable cavity (107) along its own axial direction. The suction forming device also includes a spring (108) disposed in the movable cavity (107), the spring (108) abutting against the push rod (104) and the spring force direction of the spring (108) being parallel to the axial direction of the push rod (104).

3. The suction forming apparatus as described in claim 2, characterized in that: The top rod (104) is located in the cavity (103) at one end and forms a hemispherical shape.

4. The suction forming apparatus according to any one of claims 1-3, characterized in that: The top rod (104) is symmetrically arranged on both sides of the receiving groove (106).

5. The suction forming apparatus as described in claim 4, characterized in that: The drive mechanism includes a servo motor (109), a rotating shaft (110), and a suction cup rod (111). The rotating shaft (110) is connected to the power end of the servo motor (109), the suction rod (111) is connected to the rotating shaft (110) and can rotate with the rotating shaft (110), the suction cup (105) is installed at the end of the suction rod (111) away from the rotating shaft (110), the cavity (103) is located on the rotation path of the suction cup (105), and the receiving groove (106) passes through the mold (102) and allows the suction rod (111) to pass through.

6. The suction forming apparatus as described in claim 5, characterized in that: Multiple suction cup rods (111) are arranged at intervals along the axial direction of the rotating shaft (110); The hopper (101), the mold (102), and the suction cup (105) are respectively provided in multiple sets corresponding to the suction cup rod (111).

7. The suction forming apparatus as described in claim 5, characterized in that: The discharge direction of the hopper (101) is inclined relative to the horizontal direction; The hopper (101) is further provided with a baffle (112) for avoiding the paper tray blank (201) from actively separating from the hopper (101).

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