A miniature roller mold for a granule packaging machine

Abstract

This application discloses a miniature roller mold for a granulated bead packaging machine, comprising a roller body and several mold structures. The outer circumference of the roller body has circumferentially distributed mold mounting positions. Each mold structure is engaged with its corresponding mounting position via a slot. Internally, a negative pressure forming air passage and a roller air passage are provided. An air suction hole is provided at the cavity and connects to the negative pressure forming air passage through the mold air passage to create negative pressure. The mold structure includes an upper and lower separate mold body and a mold base, both of which, as well as the mold base and the mounting positions, are secured by locking structures. The mold base has a negative pressure cavity and communicating mold channels. This application achieves the technical effects of facilitating the installation and disassembly of the mold structure and effectively creating negative pressure at the cavity to meet the requirements of granulated bead packaging.

Description

Technical Field

[0001] This application relates to the field of packaging equipment, and more particularly to a miniature roller mold for a granulation packaging machine. Background Technology

[0002] In the production and packaging of laundry detergent pods, related production and packaging technologies are constantly evolving with changing market demands. Currently, pod packaging machines primarily utilize molded rollers and cutting devices for production and packaging. The molded roller has multiple molds mounted on its circumference, with cavities recessed into their surfaces. These cavities are arranged in an array around the roller's surface. Suction holes are located within the cavities, creating an air passage that connects to the negative pressure inside the roller. During operation, the molded roller rotates continuously while a packaging film covers its surface. The suction holes create negative pressure, and an injection molding device injects the prepared laundry detergent into the cavities in the same row, shaping the detergent into laundry pods. Next, a film-applying device applies a layer of packaging film to the molded roller, initially sealing the laundry pods. Finally, the horizontal and vertical cutting rollers of the cutting device complete the cutting action, and the laundry pods detach from the molded roller.

[0003] However, the existing pod packaging machines using large roller molds have significant drawbacks. Because the molds are arranged in an array around the roller surface, they are primarily suitable for mass production of laundry pods. Their installation structure is complex, and maintenance and replacement are cumbersome. For situations with smaller market demand, or when producing sample pods, a simpler, more easily maintained and replaceable miniature device would suffice to meet small-batch production needs. Summary of the Invention

[0004] To adapt to small-scale production and facilitate mold installation and replacement, this application provides a miniature roller mold for a bead packaging machine.

[0005] The miniature roller mold for a granule packaging machine provided in this application adopts the following technical solution:

[0006] A miniature roller mold for a granulated bead packaging machine includes a roller body and several mold structures. The outer circumferential surface of the roller body has several circumferentially distributed mold mounting positions. Each mold structure corresponds one-to-one with a mold mounting position. The upper surface of each mold structure has a cavity, and the lower surface of each mold structure has a slot. The mold structure is fixed to the corresponding mold mounting position by the slot. A negative pressure forming air passage is provided inside the roller body, extending to each mold mounting position. Several suction holes are provided in the cavity. Mold air passages are provided inside the mold structures, connecting to the suction holes and the negative pressure forming air passages at the mold mounting positions to create negative pressure in the cavity.

[0007] By adopting the above technical solution, the outer circumferential surface of the drum body is provided with circumferentially distributed mold mounting positions. The mold structure is fixed to the corresponding mounting positions by snap-fitting with slots, realizing simple installation of the mold structure and the drum body, which is convenient for maintenance and replacement. The cavity on the mold structure can hold laundry detergent pod raw materials, and the air suction hole at the cavity is connected to the negative pressure through the mold air passage, which can form a negative pressure at the cavity, which is conducive to the production and packaging of laundry detergent pods and meets the needs of small-batch production.

[0008] Preferably, the mold structure includes a mold body and a mold base that are separated into upper and lower parts. The cavity is disposed on the upper surface of the mold body, and the slot is disposed on the lower surface of the mold base. A first locking structure is provided between the mold body and the mold base, and a second locking structure is provided between the mold base and the mold mounting position.

[0009] By adopting the above technical solution, the mold structure is divided into an upper and lower mold body and a mold base, and a first locking structure is set between the two and a second locking structure is set between the mold base and the mold mounting position, so that the mold structure is more stable and easy to repair and replace, which meets the needs of simple installation and convenient repair and replacement for small batch production of laundry detergent pods.

[0010] Preferably, the slot is located at the middle of the lower surface of the mold base, and the connection positions of the first locking structure are respectively located at both ends of the mold base, while the connection position of the second locking mechanism is located at the middle of the mold base.

[0011] By adopting the above technical solution, the slot is located in the middle of the lower surface of the mold base, the first locking structure is connected at both ends of the mold base, and the second locking structure is connected in the middle of the mold base. This arrangement makes the mold structure more stable when installed in the mold mounting position of the roller body. The first locking structure at both ends can effectively prevent the mold body from separating from the mold base, and the second locking structure in the middle can enhance the connection strength between the mold base and the roller body. At the same time, the middle setting of the slot makes it easy for the mold structure to be accurately locked in the mold mounting position, improving the accuracy and convenience of installation, and also facilitating subsequent maintenance and replacement.

[0012] Preferably, the first locking structure is a threaded locking component. The lower surface of the mold body has several first threaded holes symmetrically arranged on both sides that are adapted to the threaded locking component. The mold base has several first mounting holes through which the threaded locking component can pass along its thickness direction on both sides. The threaded locking component is threadedly connected to the first threaded hole of the mold body after passing through the first mounting hole on the lower surface of the mold base, so as to achieve the locking purpose between the mold body and the mold base.

[0013] By adopting the above technical solution, a threaded locking component is used as the first locking structure, and first threaded holes are symmetrically arranged on both sides of the lower surface of the mold body. First mounting holes are opened on both sides of the mold base, so that the threaded locking component can pass through the first mounting hole and be threadedly connected to the first threaded hole, thereby realizing the locking between the mold body and the mold base. This method makes the connection between the mold body and the mold base more stable and reliable. Moreover, when maintenance or replacement is required, the mold body and the mold base can be easily separated by unscrewing the threaded locking component, which is convenient for operation and reduces the difficulty and cost of maintenance and replacement. At the same time, the symmetrically arranged threaded connection method ensures the stability and uniformity of the connection.

[0014] Preferably, the second locking structure is a threaded locking member. The surface of the mold mounting position is provided with a second threaded hole. The middle part of the mold base is provided with a plurality of second mounting holes through which the threaded locking member can pass. The threaded locking member is threadedly connected to the second threaded hole of the mold mounting position after passing through the second mounting hole on the upper surface of the mold base, so as to achieve the purpose of locking between the mold base and the roller body.

[0015] By adopting the above technical solution, the connection between the mold base and the roller body is made more stable by using the cooperation of the threaded locking part and the second threaded hole. The threaded connection method facilitates the installation and disassembly of the mold structure, meets the requirements of simple installation structure and easy maintenance and replacement, and is suitable for small batch production.

[0016] Preferably, the mold air path includes a negative pressure chamber disposed on the upper surface of the mold base and a mold channel disposed inside the mold base and communicating with the negative pressure chamber. When the mold base is installed at the mold mounting position, the mold channel is aligned with and communicates with the negative pressure forming air path of the roller body. When the mold body is installed at the mold base, the negative pressure chamber is communicated with a plurality of suction holes of the mold body.

[0017] By adopting the above technical solution, the air passages of the mold base and the roller body are connected, and the air passages of the mold body and the mold base are connected, thereby forming a negative pressure in the cavity. Moreover, this air passage connection structure is stable, which is conducive to the shaping of raw materials when producing laundry detergent pods in small batches.

[0018] Preferably, the mold mounting position is a planar structure, and when the mold base is installed at the mold mounting position, the bottom wall of the slot fits against the mold mounting position.

[0019] By adopting the above technical solution, the connection between the mold structure and the mold mounting position is made tighter, which enhances the stability of mold installation. In addition, the way the planar mold mounting position and the bottom wall of the slot fit together facilitates the installation and disassembly of the mold structure, which is beneficial to the maintenance and replacement of the equipment.

[0020] Preferably, each mold body has at least two cavities, which are arranged side by side on the surface of the mold body.

[0021] By adopting the above technical solution, multiple laundry detergent pods can be formed in one grouting process, while ensuring that the installation structure is simple and easy to maintain and replace, thereby improving the production efficiency of small batches of laundry detergent pods.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. The mold structure is fixed to the corresponding mold mounting position by a snap-fit ​​mechanism, which is simple to install, easy to maintain and replace, and meets the needs of small batch production;

[0024] 2. The mold air passage is connected to the air intake and the negative pressure air passage, which can create negative pressure in the cavity, so that the laundry material can be shaped into laundry beads;

[0025] 3. It solves the problem that the existing large roller mold structure is complex to install, cumbersome to repair and replace, and unsuitable for small-batch production. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of a miniature roller mold for a bead packaging machine according to an embodiment of this application.

[0027] Figure 2 This is a schematic diagram of the structure of the roller body in a miniature roller mold of a bead packaging machine according to an embodiment of this application.

[0028] Figure 3 This application describes the explosion of a miniature roller mold in a bead packaging machine. Figure 1 .

[0029] Figure 4 This application describes the explosion of a miniature roller mold in a bead packaging machine. Figure 1 .

[0030] Explanation of reference numerals in the attached drawings: 1. Roller body; 11. Mold mounting position; 12. Air inlet; 13. Second threaded hole; 14. Air extraction port; 2. Mold structure; 21. Mold base; 211. Negative pressure chamber; 212. Mold channel; 213. Second mounting hole; 214. Slot; 215. First mounting hole; 22. Mold body; 221. Cavity; 222. Air extraction hole; 223. First threaded hole. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0032] This application discloses a miniature roller mold for a granulated bead packaging machine, referring to... Figure 1 and Figure 2 The roller body 1 includes a roller body 1 and several mold structures 2. The outer circumferential surface of the roller body 1 is provided with several circumferentially distributed mold mounting positions 11. The mold structures 2 correspond one-to-one with the mold mounting positions 11. The upper surface of the mold structure 2 is provided with a cavity 221. The lower surface of the mold structure 2 is provided with a slot 214. The mold structure 2 is fixed to the corresponding mold mounting position 11 by the slot 214. The roller body 1 is provided with a negative pressure forming air passage. The air inlet 12 of the negative pressure forming air passage is distributed at each mold mounting position 11. The air outlet 14 of the negative pressure forming air passage is distributed on the side of the roller body 1 and connected to the air extraction device. Several suction holes 222 are provided at the cavity 221, and a mold air passage is provided inside the mold structure 2. The mold air passage is connected to the suction holes 222 and the negative pressure forming air passage at the mold mounting position 11. Air is extracted by an air extraction device. The air in the cavity 221 enters the air extraction device in sequence through the suction holes 222, the mold air passage and the negative pressure forming air passage, thereby creating a negative pressure in the cavity 221 to facilitate the adsorption and fixation of the packaging film. This achieves the effect of enabling small-batch production of laundry detergent pods, and the mold is simple and convenient to install, repair and replace. This is because the mold structure 2 is fixed to the roller body 1 by a snap-fit ​​and locking structure. Compared with the array circumferential distribution installation method of large roller molds, the structure is simpler and easier to operate.

[0033] Specifically, the drum body is a flat disc, and its thickness is adapted to the width of the slot in the mold structure. A negative pressure generating air passage is located inside the drum body 1 to generate negative pressure. This can be an air passage structure formed by connecting pipes to equipment such as a vacuum pump, or a structure combining a built-in negative pressure generator and air passage pipes. Its structural feature is the ability to stably generate and maintain negative pressure to ensure the adsorption of the packaging film and the shaping of the raw materials during the subsequent production of laundry pods. The mold mounting positions 11 are circumferentially distributed on the outer circumference of the drum body 1, and are planar structures used to mount the mold structure 2. Its replaceable feature can be a curved surface structure with a certain curvature, as long as it can be adapted for installation with the mold structure 2.

[0034] Reference Figure 3 and Figure 4Specifically, mold structure 2 includes a mold body 22 and a mold base 21, which are separated into upper and lower parts. Cavities 221 are located on the upper surface of the mold body 22, with each mold body 22 having at least two cavities 221 arranged side-by-side on its surface. The shape of the cavities 221 can be circular, elliptical, etc., to meet the shape requirements of different laundry detergent pods. A slot 214 is located in the middle of the lower surface of the mold base 21. A first locking structure is provided between the mold body 22 and the mold base 21, and a second locking structure is provided between the mold base 21 and the mold mounting position 11. The connection positions of the first locking structure are located at both ends of the mold base 21, and the connection position of the second locking structure is located in the middle of the mold base 21. Both the first and second locking structures are threaded locking components, such as bolts or screws, which feature strong connection and easy disassembly.

[0035] In this embodiment, several first threaded holes 223 adapted to the threaded locking components are symmetrically arranged on both sides of the lower surface of the mold body 22. Several first mounting holes 215 for the threaded locking components to pass through are opened on both sides of the mold base 21 along its own thickness direction. The threaded locking components are threadedly connected to the first threaded holes 223 of the mold body 22 after passing through the first mounting holes 215 on the lower surface of the mold base 21, so as to achieve the locking purpose between the mold body 22 and the mold base 21.

[0036] In this embodiment, the surface of the mold mounting position 11 is provided with a plurality of second threaded holes 13, which are distributed around the air inlet 12 of the negative pressure forming air passage. The mold base 21 has a plurality of second mounting holes 213 through its thickness in the middle, through which threaded locking components can pass. The threaded locking components are threadedly connected to the second threaded holes 13 of the mold mounting position 11 after passing through the second mounting holes 213 on the upper surface of the mold base 21, thereby achieving the locking purpose between the mold base 21 and the roller body. When the mold base 21 is installed at the mold mounting position 11, the bottom wall of the slot 214 fits against the mold mounting position 11, and both ends of the mold base 21 protrude from both sides of the roller body 1. The function of the slot 214 is to allow the mold base 21 to be initially positioned on the mold mounting position 11.

[0037] In this embodiment, the mold air path includes a negative pressure chamber 211 disposed on the upper surface of the mold base 21 and a mold channel 212 disposed inside the mold base 21 and communicating with the negative pressure chamber 211. When the mold base 21 is installed at the mold mounting position 11, the mold channel 212 is aligned with and communicates with the negative pressure forming air path of the roller body 1. When the mold body 22 is installed at the mold base 21, the negative pressure chamber 211 communicates with a plurality of suction holes 222 of the mold body 22. In this way, a complete air path is formed by the negative pressure forming air path, the mold channel 212, the negative pressure chamber 211 and the suction holes 222, thereby creating negative pressure at the cavity 221.

[0038] The assembly logic of mold structure 2 is as follows: first, the mold base 21 is initially positioned on the mold mounting position 11 through the slot 214, and then the mold base 21 is locked to the roller body 1 through the second locking structure. Then, the mold body 22 and the corresponding mold base 21 are connected into a whole through the first locking structure. This assembly method makes the mold structure 2 installed stably. When it is necessary to change the cavity of different shapes, it is only necessary to loosen the first locking structure to carry out the operation.

[0039] The implementation principle of this embodiment is as follows: The micro roller mold structure 2 of this embodiment is simple. The mold structure 2 is installed on the roller body 1 through a snap-fit ​​and locking structure, facilitating mold installation, maintenance, and replacement. During laundry pod production, the roller body 1 rotates, covering its surface with a packaging film. The negative pressure formed by the suction holes 222 at the cavity 221 adsorbs the packaging film. Then, the laundry raw material is injected into the cavity 221, shaping it into laundry pods. Subsequent operations such as film application and cutting are then performed. This structure is suitable for small-batch production of laundry pods, meeting the needs of regions with smaller market demand. Compared to the existing large roller mold structure 2, it greatly improves production flexibility and convenience, representing an improvement and optimization of existing technology.

[0040] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A miniature roller mold for a granulated bead packaging machine, characterized in that: The device includes a roller body (1) and several mold structures (2). The outer circumferential surface of the roller body (1) is provided with several circumferentially distributed mold mounting positions (11). Each mold structure (2) corresponds to one mold mounting position (11). The upper surface of the mold structure (2) is provided with a cavity (221). The lower surface of the mold structure (2) is provided with a slot (214). The mold structure (2) is fixed to the corresponding mold mounting position (11) by the slot (214). The roller body (1) is provided with a negative pressure forming air passage. The air inlet (12) of the negative pressure forming air passage extends to each mold mounting position. Several suction holes (222) are provided at the cavity (221). The mold structure (2) is provided with a mold air passage. The mold air passage is connected to the suction holes (222) and the negative pressure forming air passage at the mold mounting position to form a negative pressure at the cavity (221).

2. The miniature roller mold for a granulated bead packaging machine according to claim 1, characterized in that: The mold structure (2) includes a mold body (22) and a mold base (21) that are set separately. The cavity (221) is set on the upper surface of the mold body (22), and the slot (214) is set on the lower surface of the mold base (21). A first locking structure is provided between the mold body (22) and the mold base (21), and a second locking structure is provided between the mold base (21) and the mold mounting position (11).

3. The miniature roller mold for a granulated bead packaging machine according to claim 2, characterized in that: The slot (214) is located in the middle of the lower surface of the mold base (21), and the connection positions of the first locking structure are respectively set at both ends of the mold base (21), while the connection position of the second locking structure is set in the middle of the mold base (21).

4. The miniature roller mold for a granulated bead packaging machine according to claim 2, characterized in that: The first locking structure is a threaded locking component. The lower surface of the mold body (22) is symmetrically provided with several first threaded holes (223) that are adapted to the threaded locking component. The mold base (21) is provided with several first mounting holes (215) through its thickness direction on both sides, allowing the threaded locking component to pass through. The threaded locking component is threadedly connected to the first threaded hole (223) of the mold body (22) after passing through the first mounting hole (215) on the lower surface of the mold base (21), so as to achieve the locking purpose between the mold body (22) and the mold base (21).

5. The miniature roller mold for a granulated bead packaging machine according to claim 2, characterized in that: The second locking structure is a threaded locking component. The surface of the mold mounting position (11) is provided with a second threaded hole (13). The middle part of the mold base (21) is provided with a plurality of second mounting holes (213) through which the threaded locking component can pass. The threaded locking component is threadedly connected to the second threaded hole (13) of the mold mounting position (11) after passing through the second mounting hole (213) on the upper surface of the mold base (21), so as to achieve the purpose of locking between the mold base (21) and the roller body.

6. The miniature roller mold for a granulated bead packaging machine according to claim 2, characterized in that: The mold air passage includes a negative pressure chamber (211) disposed on the upper surface of the mold base (21) and a mold channel (212) disposed inside the mold base (21) and communicating with the negative pressure chamber (211). When the mold base (21) is installed at the mold mounting position (11), the mold channel (212) is aligned with and communicates with the negative pressure forming air passage of the roller body (1). When the mold body (22) is installed at the mold base (21), the negative pressure chamber (211) communicates with a plurality of suction holes (222) of the mold body (22).

7. The miniature roller mold for a granulated bead packaging machine according to claim 2, characterized in that: The mold mounting position (11) is a planar structure. When the mold base (21) is installed at the mold mounting position (11), the bottom wall of the slot (214) fits against the mold mounting position (11).

8. The miniature roller mold for a granulated bead packaging machine according to claim 2, characterized in that: Each mold body (22) has at least two cavities (221) that are arranged side by side on the surface of the mold body (22).

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