Plaster patch extrusion forming mechanism and plaster patch production device

Abstract

The utility model provides a kind of plaster extrusion forming mechanism and plaster production device.The plaster extrusion forming mechanism includes mounting slide, pressing plate and drive structure;Mounting slide is slidably arranged on the rack of plaster production device, and mounting slide has water platform surface, and has the movable end that is vertically movable above water platform surface;Pressing plate is arranged on movable end, and bottom end has horizontally arranged lower end surface, and lower end surface and water platform surface form transmission channel for plaster cloth to pass between;Lower end surface is equipped with annular pressing part;Pressing plate is used to move downward, and extrusion is carried out to plaster cloth by annular pressing part and water platform surface, and annular cutting zone without plaster is formed on plaster cloth;Drive structure is used to drive slide and plaster cloth to move synchronously when pressing plate extrudes plaster cloth.The plaster extrusion forming mechanism provided by the utility model can avoid the problem that plaster spills from the cutting seam when cutting plaster cloth.

Description

Technical Field

[0001] This utility model belongs to the field of plaster production technology, specifically relating to a plaster extrusion molding mechanism and a plaster production device. Background Technology

[0002] As a common external patch, medicated plasters mainly consist of three parts: a medicated cloth to hold the ointment and adhere to the skin, a thin film to protect the ointment from external contamination and to be peeled off before use, and an ointment layer evenly coated between the cloth and the film. In the production process of medicated plasters, a plaster production device is typically used. First, a specialized coating device quantitatively and evenly coats the ointment between the cloth and the film, forming a continuous, long strip of medicated plaster. Then, the production line conveys this continuous strip to the cutting process, where it is cut by cutting equipment, ultimately processing the continuous strip into individual medicated plaster products.

[0003] In existing plaster production technology, a continuous plaster cloth is formed by uniformly coating the surface with plaster and then covering it with a film, requiring cutting to the required specifications. This is typically done using a roller cutter, which cuts the plaster cloth into individual plaster patches. However, because the plaster itself has a certain degree of viscosity and fluidity, and is uniformly distributed within the roll, direct cutting causes the blade to exert a squeezing force on the plaster cloth during contact, resulting in plaster overflowing from the cut. This overflowing plaster easily adheres to the cutting blade surface, requiring frequent machine stops for cleaning, significantly reducing production efficiency and increasing labor maintenance costs. Furthermore, plaster overflow can cause insufficient or uneven plaster distribution at the edges of individual plaster patches, leading to substandard product quality. In some cases, insufficient plaster at the edges even affects the adhesion stability, making it difficult to meet the dual requirements of product quality and efficiency for large-scale production. Utility Model Content

[0004] This utility model provides a plaster extrusion molding mechanism and a plaster production device, aiming to improve the production efficiency and finished product quality of plasters.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: Firstly, a plaster extrusion molding mechanism is provided, comprising a mounting slide, a pressing plate, and a driving structure; the mounting slide is slidably mounted on the frame of the plaster production device, the mounting slide having a horizontal platform surface and a movable end located above the horizontal platform surface and capable of vertical movement; the pressing plate is mounted on the movable end, with a horizontally positioned lower end surface at its bottom, forming a transfer channel between the lower end surface and the horizontal platform surface for the plaster cloth to pass through; an annular pressing portion is provided on the lower end surface; the pressing plate is used to move downwards and, through the annular pressing portion and the horizontal platform surface, extrudes the plaster cloth, forming an annular cut area without plaster on the plaster cloth; the driving structure is used to drive the slide and the plaster cloth to move synchronously when the pressing plate extrudes the plaster cloth.

[0006] In conjunction with the first aspect, in one possible implementation, multiple annular pressing portions are provided, and each annular pressing portion is spaced apart along the conveying direction of the medicated plaster; wherein, a groove is formed between each annular pressing portion.

[0007] In some embodiments, each groove has a bottom surface and an inner wall surface surrounding the bottom surface, the inner wall surface being a sloping structure.

[0008] For example, the mounting slide includes a base, a mounting frame, a lifting slide plate, and a telescopic drive component; the base is slidably mounted on a slide rail in the frame along the conveying direction of the medicated plaster; the top surface of the base is a horizontal platform; the mounting frame is fixed on the base; the lifting slide plate is vertically slidably mounted on the mounting frame and forms a moving end; the telescopic drive component is fixed on the mounting frame, and its output end is connected to the lifting slide plate.

[0009] For example, the mounting frame includes multiple guide rods and a top plate; each guide rod is vertically mounted on the base and slides with the lifting slide plate; the top plate is connected to the top of each guide rod and is used to install the telescopic drive component.

[0010] In one possible implementation, the pressing plate and the lifting slide are detachably connected.

[0011] In some embodiments, the base has a threaded hole; the drive structure includes a threaded rod and a rotary drive component, the threaded rod is rotatably mounted on the frame along the conveying direction of the medicated plaster, and the threaded rod is threadedly engaged with the threaded hole; the rotary drive component is mounted on the frame, and its output end is connected to one end of the threaded rod.

[0012] The beneficial effects of the plaster extrusion molding mechanism provided by this utility model are as follows: Compared with the prior art, this utility model, by setting a mounting slide with a horizontal platform and a vertically movable end, and matching it with a pressing plate located at the movable end and having an annular pressing part at the bottom, forms a transmission channel for the plaster cloth to pass through between the lower end surface of the pressing plate and the horizontal platform surface of the mounting slide. When the pressing plate moves downward with the movable end, the annular pressing part and the horizontal platform surface exert a squeezing effect on the plaster cloth, thereby forming an annular cut area without plaster on the plaster cloth, which can be directly cut later. Used in the annular cutting area, it avoids the problem of ointment overflow caused by the cutting blade directly squeezing the ointment cloth in the existing technology, and avoids missing ointment at the edge of the plaster, thus improving product quality. The drive structure drives the mounting slide to move synchronously with the ointment cloth when the pressing plate squeezes the ointment cloth, avoiding relative sliding between the ointment cloth and the pressing plate during the pressing process. This ensures the positional accuracy of the annular cutting area on the ointment cloth, thereby ensuring the consistency of the size and edge shape of individual plasters after subsequent cutting, and reducing product quality problems caused by the offset of the annular cutting area.

[0013] Secondly, a plaster production apparatus is provided, including a frame, a plaster extrusion molding mechanism, and a cutting assembly; the cutting assembly is disposed on the frame and has a cutting section adapted to the formed annular cutting area.

[0014] For example, the cutting assembly includes a mounting frame, a conveying roller, and a cutting roller; the mounting frame is mounted on a machine frame; the conveying roller is rotatably mounted on the machine frame; the cutting roller is rotatably mounted on a mounting base and located above the conveying roller, and the outer wall surface of the cutting roller is provided with an annular cutting blade, which is a cutting part.

[0015] In one possible implementation, a support platform is provided on the frame, located between the plaster extrusion molding mechanism and the cutting component, and is used to support the extruded plaster cloth.

[0016] The beneficial effects of the plaster production device provided by this utility model are as follows: Compared with the prior art, this utility model integrates a plaster extrusion molding mechanism and a cutting component through a frame. The plaster extrusion molding mechanism includes a mounting slide, a pressing plate, and a driving structure. The mounting slide has a horizontal platform and a vertically movable end. The pressing plate is located at the movable end and has an annular pressing part on its lower end face. A transmission channel for the plaster cloth is formed between the lower end face of the pressing plate and the horizontal platform. The driving structure can drive the mounting slide and the plaster cloth to move synchronously when the pressing plate extrudes the plaster cloth. The device first extrudes the plaster cloth through the annular pressing part of the pressing plate and the horizontal platform face of the mounting slide, forming an annular cutting area without plaster on the plaster cloth. Then, the cutting component cuts the annular cutting area. This avoids the problem in the prior art where the cutting blade directly contacts and extrudes the plaster, causing the plaster to overflow from the cut. It also avoids the plaster adhering to the surface of the cutting blade, reduces downtime cleaning cycles, and improves production efficiency. Attached Figure Description

[0017] Figure 1 A three-dimensional structural schematic diagram of the plaster extrusion molding mechanism provided in an embodiment of this utility model; Figure 2 A front view of the plaster extrusion molding mechanism provided in an embodiment of this utility model; Figure 3 This is a three-dimensional structural diagram of the pressing component used in the embodiment of this utility model; Figure 4 This is a three-dimensional structural diagram of the pressing plate used in the embodiment of this utility model; Figure 5 This is a cross-sectional view of the pressing plate used in the embodiment of this utility model; Figure 6 for Figure 1 Enlarged view of region A in the image; Figure 7 This is a three-dimensional structural diagram of the cutting component used in an embodiment of the present utility model; In the diagram: 10. Mounting slide; 11. Base; 111. Horizontal platform surface; 112. Threaded hole; 12. Mounting bracket; 121. Guide rod; 122. Top plate; 13. Lifting slide plate; 14. Telescopic drive component; 20. Pressing plate; 21. Annular pressing part; 22. Groove; 221. Bottom surface; 222. Inner wall surface; 30. Drive structure; 31. Threaded rod; 32. Rotary drive component; 40. Frame; 41. Slide rail; 50. Cutting assembly; 51. Mounting seat; 52. Conveying roller; 53. Cutting roller; 54. Annular cutting blade; 60. Support platform; 70. Plaster cloth. Detailed Implementation

[0018] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0019] It should be noted that when an element is referred to as being "set on" another element, it can be directly on or indirectly on the other element. It should be understood that the terms "upper," "lower," "front," "rear," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model 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, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0020] Please refer to the following: Figures 1 to 7 The following describes the plaster extrusion molding mechanism provided by this utility model. The plaster extrusion molding mechanism includes a mounting slide 10, a pressing plate 20, and a driving structure 30. The mounting slide 10 is slidably mounted on the frame 40 of the plaster production device. The mounting slide 10 has a horizontal platform 111 and a movable end located above the horizontal platform 111 and capable of vertical movement. The pressing plate 20 is mounted on the movable end, with a horizontally positioned lower end face at its bottom. A transmission channel for the plaster cloth 70 is formed between the lower end face and the horizontal platform 111. An annular pressing portion 21 is provided on the lower end face. The pressing plate 20 moves downward and, through the annular pressing portion 21 and the horizontal platform 111, extrudes the plaster cloth 70, forming an annular cut area without plaster on the plaster cloth 70. The driving structure 30 drives the slide and the plaster cloth 70 to move synchronously when the pressing plate 20 extrudes the plaster cloth 70.

[0021] It should be noted that the mounting slide 10 is slidably mounted on the frame 40 of the plaster production device, and it has a horizontal platform 111. The mounting slide 10 has a movable end, which is located directly above the horizontal platform 111 and can move vertically. The pressing plate 20 is mounted on the movable end of the mounting slide 10 and can move up and down synchronously with the vertical movement of the movable end. The bottom end of the pressing plate 20 has a horizontal lower end surface, and there is a gap between this lower end surface and the horizontal platform 111 of the mounting slide 10. This gap forms a transmission channel for the plaster cloth 70 to pass through. An annular pressing part 21 is also fixedly provided on the lower end surface of the pressing plate 20. The annular pressing part 21 moves synchronously with the pressing plate 20 and is located directly above the horizontal platform 111. The drive structure 30 is connected to the mounting slide 10 and drives the mounting slide 10 to move synchronously with the plaster cloth 70 when the pressing plate 20 squeezes the plaster cloth 70.

[0022] The medicated plaster 70 is conveyed along the production direction and enters the pressing operation area through the transfer channel between the lower end face of the pressing plate 20 and the horizontal platform surface 111 of the mounting slide 10. The moving end of the mounting slide 10 moves vertically downward, and because the pressing plate 20 is set on the moving end, the moving end synchronously drives the pressing plate 20 to move downward. During the downward movement, the annular pressing part 21 on the lower end face of the pressing plate 20 and the horizontal platform surface 111 of the mounting slide 10 exert a squeezing effect on the medicated plaster 70 in the transfer channel, squeezing out the plaster within the area covered by the annular pressing part 21, and finally forming an annular cut area without plaster on the medicated plaster 70. While the annular pressing part 21 and the horizontal platform surface 111 are squeezing the medicated plaster 70, the drive structure 30 is activated, driving the mounting slide 10 and the conveyed medicated plaster 70 to move synchronously, ensuring that there is no relative sliding between the medicated plaster 70 and the mounting slide 10 and the pressing plate 20 during the squeezing process.

[0023] Compared with the prior art, the plaster extrusion molding mechanism provided by this utility model, by setting up a mounting slide 10 with a horizontal platform 111 and a vertically movable end, and a pressing plate 20 with an annular pressing part 21 at the bottom end of the moving end, forms a transmission channel for the plaster cloth 70 to pass through between the lower end surface of the pressing plate 20 and the horizontal platform 111 of the mounting slide 10. When the pressing plate 20 moves downward with the moving end, the annular pressing part 21 and the horizontal platform 111 exert a squeezing effect on the plaster cloth 70, thereby forming an annular cut area without plaster on the plaster cloth 70. Subsequent cutting can directly act on the plaster cloth 70 without plaster. The annular cutting area of ​​the ointment avoids the problem of ointment overflow caused by the cutting blade directly pressing the ointment cloth 70 in the prior art, and avoids missing ointment at the edge of the plaster, thus improving product quality. When the pressing plate 20 presses the ointment cloth 70, the driving structure 30 drives the mounting slide 10 to move synchronously with the ointment cloth 70, avoiding relative sliding between the ointment cloth 70 and the pressing plate 20 during the pressing process. This ensures the positional accuracy of the annular cutting area on the ointment cloth 70, thereby ensuring the consistency of the size and edge shape of individual plasters after subsequent cutting, and reducing product quality problems caused by the offset of the annular cutting area.

[0024] Please see Figure 3 and Figure 4 Multiple annular pressing parts 21 are provided, and each annular pressing part 21 is spaced apart along the conveying direction of the medicated cloth 70; wherein, a groove 22 is formed between each annular pressing part 21.

[0025] It should be noted that each annular pressing part 21 is located on the horizontal lower end surface of the pressing plate 20 and is distributed at intervals along the conveying direction of the medicated plaster 70. The position of each annular pressing part 21 is directly opposite to the horizontal platform surface 111 of the mounting slide 10, ensuring precise engagement with the horizontal platform surface 111 during extrusion. Grooves 22 are formed between the annular pressing parts 21. When the annular pressing parts 21 engage with the horizontal platform surface 111 to extrude the medicated plaster 70, the ointment inside the medicated plaster 70 is squeezed into the grooves 22, thereby forming an annular cut area without ointment on the medicated plaster 70.

[0026] As the pressing plate 20 moves downward, multiple annular pressing portions 21, spaced apart along the conveying direction of the medicated plaster 70, simultaneously compress the medicated plaster 70 within the transfer channel along with the horizontal platform 111 of the mounting slide 10. Each annular pressing portion 21 squeezes the plaster within its coverage area into the groove 22, and a single pressing action forms multiple plaster-free annular cutting areas spaced apart along the conveying direction on the medicated plaster 70. When the pressing plate 20 compresses the medicated plaster 70, the drive structure 30 drives the mounting slide 10 to move synchronously with the medicated plaster 70. At this time, the synchronous movement of the multiple annular pressing portions 21 and the medicated plaster 70 is more precise, ensuring a stable spacing between the multiple annular cutting areas on the medicated plaster 70.

[0027] The groove 22 directionally accommodates the squeezed ointment, allowing the ointment in the area covered by the annular pressing part 21 to be actively discharged into the groove 22. This prevents ointment residue in the annular area, ensuring that the annular cutting area is free of ointment. This provides a more reliable ointment-free benchmark for subsequent cutting and further reduces the risk of ointment spillage during cutting. The directional accommodation of the ointment in the groove 22 prevents the squeezed ointment from detaching from the ointment cloth 70. The ointment in the groove 22 can then be used directly as an effective ointment layer for a single plaster, minimizing ointment waste. At the same time, the ointment is confined within the groove 22, preventing it from adhering randomly to the lower end face of the pressing plate 20 or the horizontal platform surface 111 of the mounting slide 10, reducing the frequency of equipment cleaning and maintenance costs. Please see Figure 5 Each groove 22 has a bottom surface 221 and an inner wall surface 222 surrounding the bottom surface 221, and the inner wall surface 222 is a sloping structure.

[0028] It should be noted that each groove 22 has a bottom surface 221 and an inner wall surface 222 surrounding the bottom surface 221, and all inner wall surfaces 222 are inclined structures. The inner wall surface 222 slopes from the lower edge of the annular pressing part 21 toward the bottom surface 221 of the groove 22, that is, the lower end of the inner wall surface 222 smoothly connects with the lower end surface of the annular pressing part 21, and the upper end extends to the bottom surface 221 of the groove 22, forming a groove shape that is narrow at the top and wide at the bottom; the inner wall surface 222 makes the entrance area of ​​the groove 22 form a wider receiving space, which precisely corresponds to the extrusion range of the annular pressing part 21. When the annular pressing part 21 extrudes the ointment cloth 70, the inner wall surface 222 can provide a smoother guiding path for the flow of ointment, avoid the obstruction of ointment flow caused by the verticality of the inner wall, and further enhance the ointment-accommodating function of the groove 22.

[0029] After the medicated plaster 70 enters the pressing area through the transfer channel, the moving end of the mounting slide 10 drives the pressing plate 20 to move downwards. Multiple annular pressing sections 21 simultaneously exert a squeezing effect on the medicated plaster 70 against the horizontal platform surface 111. At this time, the ointment inside the medicated plaster 70, under pressure, will smoothly slide along the inner wall 222 of the groove 22 into the bottom surface 221 of the groove 22. Because the inner wall 222 has an inclined angle, the ointment can be transferred more quickly and without stagnation from the area covered by the annular pressing sections 21 to the groove 22. The inclined inner wall guides the ointment to completely detach from the area covered by the annular pressing sections 21. As the ointment slides into the groove 22 along the inner wall 222, it will not leave any residue at the junction of the annular pressing part 21 and the groove 22, ensuring that the area covered by the annular pressing part 21 is completely free of ointment, further consolidating the formation effect of the ointment-free annular cutting area; at the same time, the bottom surface 221 of the groove 22 receives the ointment flowing down the slope, and the slope structure allows the ointment to be evenly spread on the bottom surface 221 of the groove 22, avoiding local accumulation in the groove 22. The inner wall surface 222 of the inclined structure provides an unobstructed guiding path for the flow of ointment. After being squeezed, the ointment can slide completely into the bottom surface 221 of the groove 22 along the inclined surface, without lingering at the junction of the annular pressing part 21 and the groove 22, ensuring that the area covered by the annular pressing part 21 is completely free of ointment. The smooth transition shape of the inner wall surface 222 allows the ointment to slide into the bottom surface 221 of the groove 22 in one go, which can reduce the cleaning frequency of the lower end surface of the pressing plate 20.

[0030] Please see Figure 2 and Figure 3 The mounting slide 10 includes a base 11, a mounting frame 12, a lifting slide plate 13, and a telescopic drive component 14. The base 11 is slidably mounted on the slide rail 41 in the frame 40 along the conveying direction of the medicated plaster 70. The top surface of the base 11 is a horizontal platform 111. The mounting frame 12 is fixedly mounted on the base 11. The lifting slide plate 13 is vertically slidably mounted on the mounting frame 12 and forms a moving end. The telescopic drive component 14 is fixedly mounted on the mounting frame 12, and its output end is connected to the lifting slide plate 13.

[0031] It should be noted that the base 11 is slidably mounted on the slide rail 41 of the frame 40 along the conveying direction of the plaster cloth 70. The top surface of the base 11 forms a horizontal platform 111, which is the supporting foundation for the plaster cloth 70 during pressing. A slider can be provided on the base 11. The sliding cooperation between the slider and the slide rail 41 on the frame 40 can limit the overall movement direction of the mounting slide 10 and ensure the stability of the movement path. The mounting frame 12 is configured to provide a mounting carrier for the lifting slide plate 13 and the telescopic drive component 14. Because it is fixedly connected to the base 11, it can move synchronously along the slide rail 41 with the base 11. The lifting slide plate 13 is vertically slidably mounted on the mounting frame 12, forming a vertically movable end. The pressing plate 20 is mounted on the lifting slide plate 13 and moves up and down synchronously with the vertical sliding of the lifting slide plate 13 to realize the pressing and resetting action of the pressing plate 20. The telescopic drive component 14 can be a cylinder, which is fixed on the mounting bracket 12 and positioned higher than the lifting slide plate 13. Its output end is directly connected to the lifting slide plate 13 to provide power for the vertical movement of the lifting slide plate 13, and the driving direction is completely consistent with the sliding direction of the lifting slide plate 13.

[0032] The medicated plaster 70 is conveyed along the production direction and enters the pressing area through the transfer channel between the lower end face of the pressing plate 20 and the top surface of the base 11. At this time, the lifting slide plate 13 is located at the upper position of the mounting frame 12, and the pressing plate 20 is not in contact with the medicated plaster 70. When pressing is required, the telescopic drive component 14 is activated, and its output end extends downward in the vertical direction, directly driving the lifting slide plate 13 to slide down along the vertical guide structure of the mounting frame 12. The lifting slide plate 13 simultaneously drives the pressing plate 20 on it to move downward until the annular pressing part 21 on the lower end face of the pressing plate 20 and the horizontal platform surface 111 of the base 11 exert a squeezing effect on the medicated plaster 70, forming an annular cutting area without plaster. After the squeezing is completed, the output end of the telescopic drive component 14 retracts upward, driving the lifting slide plate 13 to slide upward and reset along the mounting frame 12. The pressing plate 20 then moves upward and detaches from the medicated plaster 70, preparing for the next pressing operation.

[0033] The base 11 slides along the slide rail 41 of the frame 40. The slide rail 41 provides a clear movement guide for the base 11, preventing directional deviation when the mounting slide 10 moves as a whole. The base 11 is fixed to the mounting frame 12, and the mounting frame 12 is linked to the lifting slide plate 13, so that all components of the mounting slide 10 move synchronously. With the synchronous control of the drive structure 30, the positional accuracy of the annular cutting area on the plaster cloth 70 is further improved, and the dimensional deviation of subsequent cutting is reduced.

[0034] Please see Figure 3 The mounting frame 12 includes multiple guide rods 121 and a top plate 122; each guide rod 121 is vertically mounted on the base 11 and each guide rod 121 slides in cooperation with the lifting slide plate 13; the top plate 122 is connected to the top of each guide rod 121 and is used to mount the telescopic drive component 14.

[0035] It should be noted that multiple guide rods 121 are vertically mounted on the top surface of the base 11, and each guide rod 121 passes through the lifting slide plate 13 and forms a sliding engagement with the lifting slide plate 13. The guide rods 121 not only limit the sliding direction of the lifting slide plate 13, but also provide balanced support for the lifting slide plate 13, preventing the lifting slide plate 13 from tilting due to force on one side. The top plate 122 is fixedly connected to the top of all the guide rods 121, forming a frame structure.

[0036] The telescopic drive component 14 is fixed to the bottom surface 221 of the top plate 122. Its output end passes through the space below the top plate 122 and is directly connected to the lifting slide plate 13, ensuring that the driving direction is completely consistent with the vertical direction defined by the guide rod 121. Multiple guide rods 121 are distributed circumferentially or evenly along the lifting slide plate 13, so that the lifting slide plate 13 is subjected to balanced force when sliding. The fixed connection between the top plate 122 and the guide rods 121 can enhance the overall rigidity of the mounting frame 12 and provide a stable installation reference for the telescopic drive component 14, avoiding the drive component from shifting due to vibration or force, and ensuring the stability of the power transmission path.

[0037] The plaster 70 enters the pressing area through the transfer channel between the lower end face of the pressing plate 20 and the top surface of the base 11. At this time, the lifting slide plate 13 is stably positioned on the upper part of the mounting frame 12 under the constraint of multiple guide rods 121, and the pressing plate 20 does not contact the plaster 70. The guide rods 121 have been prepared in advance for the downward movement path of the lifting slide plate 13 to avoid sliding deviation.

[0038] When pressing is required, the telescopic drive component 14 fixed on the top plate 122 is activated, and the output end extends vertically downward, driving the lifting slide plate 13 to move. The lifting slide plate 13 slides down vertically synchronously along multiple guide rods 121. Due to the sliding fit of the guide rods 121, the lifting slide plate 13 does not deviate laterally during its downward movement, and synchronously drives the pressing plate 20 on it to move down smoothly until the annular pressing part 21 and the horizontal platform surface 111 precisely press the medicated cloth 70, forming a medicated annular cutting area.

[0039] After the pressing is completed, the output end of the telescopic drive component 14 retracts, driving the lifting slide plate 13 to slide vertically upward along the guide rod 121 to reset. The guide rod 121 prevents the lifting slide plate 13 from getting stuck or shifting when resetting, ensuring that the pressing plate 20 is accurately separated from the medicated cloth 70, and preparing for the next pressing operation.

[0040] Please see Figure 3 The pressing plate 20 and the lifting slide plate 13 are detachably connected.

[0041] It should be noted that the pressing plate 20 can be detachably connected to the lifting slide plate 13 by multiple bolts. The annular pressing part 21 of the pressing plate 20 is prone to wear or ointment residue accumulation due to long-term contact with the medicated cloth 70 and the horizontal platform surface 111, requiring regular maintenance or replacement. Through the detachable connection, the pressing plate 20 can be disassembled separately for cleaning, repair or replacement without disassembling other components such as the lifting slide plate 13 and the mounting bracket 12, reducing the complexity and time consumption of maintenance operations, and significantly reducing maintenance costs and equipment downtime.

[0042] The same equipment can produce different sizes and types of plasters by changing the pressing plate 20, which greatly reduces the equipment investment cost for multi-category production. When it is necessary to produce round plasters, the pressing plate 20 with a circular annular pressing part 21 on the lower end face is used; when producing square plasters, it is replaced with a pressing plate 20 with a square annular pressing part 21 on the lower end face. Both can be fixed to the lifting slide plate 13 by the same bolt connection structure, and after fixing, the distance between the horizontal lower end face of the pressing plate 20 and the horizontal platform surface 111 of the base 11 is consistent, without damaging the plaster cloth 70 transmission channel.

[0043] When the market needs to add or adjust the shape of the plaster, only the corresponding pressing plate 20 needs to be quickly replaced. There is no need to stop the machine to disassemble the mounting frame 12 or adjust the transmission components. The changeover time is short and it is suitable for small-batch and multi-batch production needs.

[0044] Please see Figure 3 and Figure 6 The base 11 has a threaded hole 112; the drive structure 30 includes a threaded rod 31 and a rotary drive component 32. The threaded rod 31 is rotatably mounted on the frame 40 along the conveying direction of the medicated plaster 70, and the threaded rod 31 is threadedly engaged with the threaded hole 112; the rotary drive component 32 is mounted on the frame 40, and its output end is connected to one end of the threaded rod 31.

[0045] It should be noted that the threaded hole 112 is formed on the base 11, and the axis of the threaded hole 112 is aligned with the conveying direction of the plaster 70, providing a precise interface for subsequent mating with the threaded rod 31. The threaded rod 31 is rotatably mounted on the frame 40 along the conveying direction of the plaster 70, and passes through the threaded hole 112 of the base 11 to form a threaded engagement. This allows the rotation of the threaded rod 31 to be converted into linear movement of the base 11 along the slide rail 41, preventing lateral offset during base 11 movement. The rotary drive 32 can be a motor, providing rotational power to the threaded rod 31.

[0046] When the telescopic drive 14 is activated, it causes the lifting slide plate 13 and the pressing plate 20 to move vertically downwards. Just as the annular pressing part 21 is about to contact the medicated plaster 70, the rotary drive 32 is activated simultaneously. Its output end drives the threaded rod 31 to rotate along its own axis. Because the threaded rod 31 is threadedly engaged with the threaded hole 112 of the base 11, and the base 11 is restricted by the slide rail 41 of the frame 40, the rotational motion of the threaded rod 31 is converted into the linear motion of the base 11 along the slide rail 41. The linear motion direction of the base 11 is consistent with the conveying direction of the medicated plaster 70, and the motion speed is the same as the conveying speed of the medicated plaster 70, so as to achieve synchronous movement with the medicated plaster 70.

[0047] Please see Figure 1 Secondly, a plaster production apparatus is provided, including a frame 40, a plaster extrusion molding mechanism, and a cutting component 50; the cutting component 50 is disposed on the frame 40 and has a cutting portion adapted to the formed annular cutting area.

[0048] It should be noted that the frame 40 is the core mounting carrier of the entire device, and the plaster extrusion molding mechanism and the cutting component 50 are both integrated on the frame 40. The mounting slide 10 of the extrusion molding mechanism is slidably mounted on the frame 40 via the slide rail 41, while the cutting component 50 is fixedly or adjustablely mounted on the frame 40, and the two are connected in the front and back along the conveying direction of the plaster 70 to ensure that the plaster 70 can pass through the pressing and cutting processes in sequence. The base 11 of the extrusion molding mechanism slides along the slide rail 41 on the frame 40, and the horizontal platform surface 111 on the top surface of the base 11 and the lower end surface of the pressing plate 20 form a transmission channel for the plaster 70 to pass through. This channel is on the same conveying straight line as the cutting part of the subsequent cutting component 50 to avoid path deviation when the plaster 70 is conveyed; the drive structure 30 of the extrusion molding mechanism is also fixed to the frame 40 to ensure stable power transmission. After the medicated plaster 70 is pressed out of the annular cutting area by the extrusion molding mechanism, it can directly enter the working range of the cutting part along the conveying direction. The cutting part can act specifically on the annular cutting area and avoid contact with the medicated plaster area on the medicated plaster 70.

[0049] Compared with the prior art, the plaster production device provided by this utility model integrates a plaster extrusion molding mechanism and a cutting component 50 through a frame 40. The plaster extrusion molding mechanism includes a mounting slide 10, a pressing plate 20 and a driving structure 30. The mounting slide 10 has a horizontal platform 111 and a vertically movable end. The pressing plate 20 is located on the movable end and has an annular pressing part 21 on its lower end face. A transmission channel for the medicated cloth 70 to pass through is formed between the lower end face of the pressing plate 20 and the horizontal platform 111. The driving structure 30 can drive the mounting slide 10 and the medicated cloth 70 to move synchronously when the pressing plate 20 presses the medicated cloth 70. The device first presses the medicated cloth 70 with the annular pressing part 21 of the pressing plate 20 and the horizontal platform 111 of the mounting slide 10, forming an annular cutting area without medicated cloth on the medicated cloth 70. Then, the cutting part cuts the annular cutting area. This can avoid the problem of the cutting blade directly contacting and pressing the medicated cloth, causing the medicated cloth to overflow from the cut, which is a problem in the prior art. It also avoids the medicated cloth adhering to the surface of the cutting blade, reduces the downtime cleaning cycle, and improves production efficiency.

[0050] Please see Figure 7 The cutting assembly 50 includes a mounting base 51, a conveying roller 52, and a cutting roller 53. The mounting base 51 is mounted on the frame 40. The conveying roller 52 is rotatably mounted on the frame 40. The cutting roller 53 is rotatably mounted on the mounting base 51 and is located above the conveying roller 52. The outer wall of the cutting roller 53 is provided with an annular cutting blade 54, which is a cutting part.

[0051] It should be noted that the mounting base 51 is directly fixed or adjustable on the frame 40; the conveying roller 52 is rotatably mounted on the frame 40, and the cutting roller 53 is rotatably mounted on the mounting base 51 and is always located directly above the conveying roller 52. The two form an upper and lower roller structure, which together constitute the cutting and conveying channel of the medicated plaster 70.

[0052] Multiple annular cutting blades 54 can be evenly distributed along the circumference of the cutting roller 53. The shape of each annular cutting blade 54 is perfectly matched with the annular cutting area formed by the extrusion molding mechanism. That is, the outline size and shape of the annular cutting blade 54 are consistent with the non-medicated area of ​​the annular cutting area, ensuring that the annular cutting area can be accurately covered during cutting without exceeding or shifting to the medicated area of ​​the medicated cloth 70. At the same time, the number of annular cutting blades 54 can match the number of annular cutting areas pressed out by the extrusion molding mechanism in a single operation, realizing the synchronous operation of pressing and cutting. Mounting base 51 provides stable support for cutting roller 53, ensuring that the distance between cutting roller 53 and conveying roller 52 is adapted to the thickness of medicated plaster 70; the rotation axes of conveying roller 52 and cutting roller 53 are parallel and perpendicular to the conveying direction of medicated plaster 70, avoiding lateral deviation of medicated plaster 70 during conveying, and further ensuring the alignment accuracy of annular cutting blade 54 and annular cutting area.

[0053] Please see Figure 1 The frame 40 is equipped with a support platform 60, which is located between the plaster extrusion forming mechanism and the cutting component 50, and is used to support the extruded plaster cloth 70.

[0054] It should be noted that the support platform 60 is fixed on the frame 40 and located between the downstream end of the plaster extrusion molding mechanism and the upstream end of the cutting component 50. The top surface of the support platform 60 is a flat and horizontal plane, and its top surface height is flush with the horizontal platform surface 111 of the extrusion molding mechanism and the top surface of the conveyor roller 52. This ensures that the plaster cloth 70 can be continuously conveyed at the same horizontal height without any height difference obstruction, and ensures that the plaster cloth 70 has flat support throughout the process between the two processes, without any suspended sections. This prevents the plaster cloth 70 from sagging or wrinkling due to its own weight or the gravity of the plaster, ensuring that the plaster cloth 70 always remains flat, and that the position of the annular cutting area does not shift laterally or longitudinally.

[0055] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A plaster extrusion molding mechanism, characterized in that, include: The mounting slide is slidably mounted on the frame of the plaster production device. The mounting slide has a horizontal platform surface and a movable end located above the horizontal platform surface that can move vertically. A pressing plate is disposed on the moving end, and has a horizontally arranged lower end face at the bottom end. A transfer channel for the medicated plaster to pass through is formed between the lower end face and the horizontal platform surface. An annular pressing part is provided on the lower end face. The pressing plate is used to move downward and press the medicated plaster against the horizontal platform surface through the annular pressing part to form an annular cut area without plaster on the medicated plaster. A driving structure is used to drive the slide block to move synchronously with the medicated plaster when the pressing plate squeezes the plaster.

2. The plaster extrusion molding mechanism as described in claim 1, characterized in that, The annular pressing part is provided in multiple ways, and each annular pressing part is spaced apart along the conveying direction of the medicated cloth; A groove is formed between each of the annular pressing parts.

3. The plaster extrusion molding mechanism as described in claim 2, characterized in that, Each of the grooves has a bottom surface and an inner wall surface surrounding the bottom surface, the inner wall surface being a sloping structure.

4. The plaster extrusion molding mechanism as described in claim 1, characterized in that, The mounting slide includes: The base is slidably mounted on a slide rail in the frame along the conveying direction of the medicated plaster; the top surface of the base is the horizontal platform surface; The mounting bracket is fixedly mounted on the base. A lifting slide plate is vertically slidably mounted on the mounting frame, forming the moving end; The telescopic drive component is fixed on the mounting frame, and its output end is connected to the lifting slide plate.

5. The plaster extrusion molding mechanism as described in claim 4, characterized in that, The mounting bracket includes: Multiple guide rods are vertically mounted on the base, and each guide rod slides in conjunction with the lifting slide plate; The top plate is connected to the top of each of the guide rods and is used to mount the telescopic drive component.

6. The plaster extrusion molding mechanism as described in claim 4, characterized in that, The pressing plate and the lifting slide plate are detachably connected.

7. The plaster extrusion molding mechanism as described in claim 4, characterized in that, The base has a threaded hole; the drive structure includes a threaded rod and a rotary drive component. The threaded rod is rotatably mounted on the frame along the conveying direction of the medicated plaster, and the threaded rod is threadedly engaged with the threaded hole; the rotary drive component is mounted on the frame, and its output end is connected to one end of the threaded rod.

8. A plaster production apparatus, characterized in that, include: frame; The plaster extrusion molding mechanism as described in any one of claims 1-7; A cutting assembly, disposed on the frame, has a cutting portion adapted to the formed annular cutting area.

9. The plaster production apparatus as described in claim 8, characterized in that, The cutting component includes: Mounting base, provided on the frame; The conveyor roller is rotatably mounted on the frame. A cutting roller is rotatably mounted on the mounting base and located above the conveying roller. The outer wall of the cutting roller is provided with an annular cutting blade, which is the cutting part.

10. The plaster production apparatus as described in claim 8, characterized in that, The frame is equipped with a support platform, which is located between the plaster extrusion forming mechanism and the cutting component, and is used to support the extruded plaster cloth.

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