Tensioning device for pharmaceutical aluminum foil production

Abstract

This utility model belongs to the field of pharmaceutical aluminum foil production technology, and in particular, a tensioning device for pharmaceutical aluminum foil production. The proposed solution includes a mounting frame, rollers mounted on both sides of the lower end of the mounting frame, a tensioning mechanism mounted on the mounting frame, and auxiliary components mounted on the tensioning mechanism. When the aluminum foil is slightly loose or tight, the height can be adjusted by the elasticity of the spring, preventing the aluminum foil from becoming too tight instantly and causing damage. When an external tension sensor detects a large degree of looseness or tightness in the aluminum foil, a motor can be driven to drive two hinge seats in opposite directions via a bidirectional lead screw. One end of the connecting rod is hinged to a second hinge seat, and the other end is hinged to a first hinge seat. The first hinge seat, through the connecting rod and the second hinge seat, drives a moving frame to move up or down along a slide groove, thus allowing for tension adjustment during aluminum foil conveying.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical aluminum foil production technology, and in particular to a tensioning device for pharmaceutical aluminum foil production. Background Technology

[0002] Pharmaceutical aluminum foil is a thin sheet material made from high-purity aluminum (usually industrial pure aluminum) through rolling. Its main use is as the core material for blister packaging of medicines, and it is laminated with plastic rigid sheets such as PVC (polyvinyl chloride) and PVC / PVDC (polyvinylidene chloride copolymer) to form sealed drug unit packaging (such as tablets, capsules, suppositories, etc.); it can also be used in aluminum-plastic composite bags to package powder, granules or liquid medicines.

[0003] The production of pharmaceutical aluminum foil requires the use of a tensioning mechanism. However, the existing tensioning mechanism is usually quite complex in structure, and its tensioning operation is generally "hard tensioning" without buffering, which can easily cause the aluminum foil to break or be damaged, thus hindering the normal transport of pharmaceutical aluminum foil. Utility Model Content

[0004] The purpose of this invention is to address the deficiencies of the prior art by providing a tensioning device for the production of pharmaceutical aluminum foil, thereby solving the problems mentioned in the background art.

[0005] A tensioning device for producing pharmaceutical aluminum foil includes a mounting frame, rollers mounted on both sides of the lower end of the mounting frame, a tensioning mechanism mounted on the mounting frame, and auxiliary components mounted on the tensioning mechanism. The tensioning mechanism includes a motor, a bidirectional lead screw, a first hinge seat, a guide rail, a connecting rod, a second hinge seat, a movable frame, a first rotating cylinder, a first rotating rod, a slide block, and a spring. The bidirectional lead screw is fixedly mounted at the output end of the motor. The guide rail is located below the bidirectional lead screw. The first hinge seat consists of two opposing hinge seats, which are respectively connected to the two ends of the bidirectional lead screw. The movable frame slides up and down along a first sliding groove of the mounting frame. The second hinge seat is fixed to the bottom of the movable frame and is movably connected to the two first hinge seats through the two connecting rods. The two ends of the first rotating rod slide up and down along the second sliding groove on both sides of the inner wall of the movable frame through the slide block. The first rotating cylinder is rotatably mounted on the first rotating rod. The two ends of the spring are respectively fixed to the slide block and the movable frame.

[0006] By adopting the above technical solution, tension adjustment is performed during aluminum foil conveying.

[0007] The auxiliary component is mounted on the mobile frame and includes a second rotating cylinder, a second rotating rod, and an elastic component. The two ends of the second rotating rod are fixedly connected to the mobile frame through the elastic component. The second rotating cylinder is rotatably mounted on the second rotating rod and can fit against the first rotating cylinder.

[0008] By adopting the above technical solution, the probability of aluminum foil curling during transportation can be reduced.

[0009] The movable frame is a cuboid structure with a rectangular opening in the middle, and its width is adapted to the first slide groove. The width of the slide block is adapted to the width of the second slide groove.

[0010] By adopting the above technical solution, it is easier to adjust the tension of a pair of aluminum foils on the rotating drum and reduce the probability of the aluminum foil warping during transport.

[0011] The center point of the movable frame, the center point of the second hinge seat, and the lines of symmetry of the two first hinge seats are set on the same vertical section.

[0012] By adopting the above technical solution, the mobile frame can move stably up and down.

[0013] The elastic component consists of a spring and a fixed post. One end of the spring and one end of the fixed post are both fixed to the movable frame, and the fixed post is located in the middle of the spring.

[0014] By adopting the above technical solution, the spring of the elastic component is restricted by the fixed column, which prevents its bottom end from shifting too much, making the gap between the second rotating cylinder and the first rotating cylinder too large, and reducing the effect of the second rotating cylinder on the aluminum foil to prevent the edge from warping.

[0015] The beneficial effects of this new tensioning device for pharmaceutical aluminum foil production are:

[0016] 1. When the aluminum foil is slightly loose or tight, the height can be adjusted by the elasticity of the spring to avoid the aluminum foil becoming too tight at any moment, which could cause damage to the aluminum foil. When the external tension sensor detects that the tightness of the aluminum foil is too large, the motor can drive the two hinge seats to move in opposite directions through the bidirectional lead screw. One end of the connecting rod is hinged to the second hinge seat, and the other end is hinged to the first hinge seat. The first hinge seat drives the moving frame to move up or down along the slide rail through the connecting rod and the second hinge seat, so that the tension can be adjusted during the aluminum foil conveying.

[0017] 2. Auxiliary components can assist in the normal conveying of aluminum foil and reduce the probability of edge curling during the conveying process. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the tensioning device for producing pharmaceutical aluminum foil proposed in this utility model.

[0019] Figure 2 This is another perspective view of the tensioning device for producing pharmaceutical aluminum foil proposed in this utility model.

[0020] In the diagram: 1. Mounting frame; 101. Slide groove one; 2. Shaft roller; 3. Motor; 4. Double-acting lead screw; 5. Hinge seat one; 6. Guide rail; 7. Connecting rod; 8. Hinge seat two; 9. Moving frame; 901. Slide groove two; 10. Rotary drum one; 11. Rotating rod one; 12. Slide seat; 13. Spring; 14. Rotary drum two; 15. Rotating rod two; 16. Elastic component. Detailed Implementation

[0021] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0022] Reference Figure 1-2 A tensioning device for producing pharmaceutical aluminum foil includes a mounting frame 1, rollers 2 mounted on both sides of the lower end of the mounting frame 1, a tensioning mechanism mounted on the mounting frame 1, and auxiliary components mounted on the tensioning mechanism. The tensioning mechanism includes a motor 3, a bidirectional lead screw 4, a first hinge seat 5, a guide rail 6, a connecting rod 7, a second hinge seat 8, a movable frame 9, a first rotating drum 10, a first rotating rod 11, a slide 12, and a spring 13. The bidirectional lead screw 4 is fixedly mounted at the output end of the motor 3, and the guide rail 6 is located below the bidirectional lead screw 4. The first 5 is two opposite seats, which are respectively connected to the two ends of the bidirectional lead screw 4. The moving frame 9 slides up and down along the slide groove 101 of the mounting frame 1. The second hinge seat 8 is fixed to the bottom of the moving frame 9 and is movably connected to the two hinge seats 5 through two connecting rods 7. The two ends of the rotating rod 11 slide up and down along the slide groove 901 on both sides of the inner wall of the moving frame 9 through the slide seat 12. The rotating cylinder 10 is rotatably installed on the rotating rod 11. The two ends of the spring 13 are respectively fixed to the slide seat 12 and the moving frame 9.

[0023] The movable frame 9 is a cuboid structure with a rectangular opening in the middle. Its width is adapted to the width of the slide 101, and the width of the slide 12 is adapted to the width of the slide 901. This allows the movable frame 9 and the slide 12 to move up and down stably. The aluminum foil tension adjustment of the rotating drum is also possible. The auxiliary components can effectively reduce the probability of the aluminum foil warping during transport. The center point of the movable frame 9, the center point of the hinge seat 8, and the symmetry line of the two hinge seats 5 are set on the same vertical section, which allows the movable frame 9 to move up and down stably.

[0024] The elastic component 16 consists of a spring and a fixed post. One end of the spring and one end of the fixed post are both fixed to the movable frame 9, and the fixed post is located in the middle of the spring. The spring of the elastic component 16 is restricted by the fixed post to prevent its bottom end from shifting excessively, which would make the gap between the second rotating drum and the first rotating drum too large and reduce the effect of the second rotating drum on the aluminum foil to prevent it from warping.

[0025] The device is installed at the corresponding position on the production line using mounting bracket 1. (The bottom of mounting bracket 1 has connection holes, and external bolts and nuts can be used to install the bottom of mounting bracket 1 at the corresponding position.)

[0026] The aluminum foil is passed through the bottom of the roller 2 on one side of the mounting frame 1, then through between 10 and 14, and then through the bottom of the roller 2 on the other side of the mounting frame 1. This will place the aluminum foil correctly and allow it to be processed by the production line.

[0027] When the aluminum foil is slightly loose or tight, the height of adjustment 10 can be adjusted by the elasticity of spring 13 to prevent the aluminum foil from becoming too tight suddenly and causing damage.

[0028] When the tension of the aluminum foil is detected to be too loose by an external tension sensor, the motor 3 can drive the two hinge seats 5 to move in opposite directions through the bidirectional lead screw 4. One end of the connecting rod 7 is hinged to the second hinge seat 8, and the other end is hinged to the first hinge seat 5. The first hinge seat 5 drives the moving frame 9 to move up or down along the slide groove 101 through the connecting rod 7 and the second hinge seat 8, so as to adjust the tightness of the aluminum foil.

[0029] The auxiliary components are installed on the movable frame 9, including a second rotating drum 14, a second rotating rod 15, and an elastic component 16. The two ends of the second rotating rod 15 are fixedly connected to the movable frame 9 through the elastic component 16. The second rotating drum 14 is rotatably installed on the second rotating rod 15 and can fit against the first rotating drum 10. The 14 setting can assist the normal conveying of aluminum foil and reduce the probability of edge curling during the conveying of aluminum foil.

[0030] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A tensioning device for producing pharmaceutical aluminum foil, comprising a mounting frame (1), rollers (2) mounted on both sides of the lower end of the mounting frame (1), a tensioning mechanism mounted on the mounting frame (1), and auxiliary components mounted on the tensioning mechanism, characterized in that: The tensioning mechanism includes a motor (3), a bidirectional lead screw (4), a first hinge seat (5), a guide rail (6), a connecting rod (7), a second hinge seat (8), a moving frame (9), a first rotating cylinder (10), a first rotating rod (11), a slide (12), and a spring (13). The bidirectional lead screw (4) is fixedly installed at the output end of the motor (3). The guide rail (6) is located below the bidirectional lead screw (4). The first hinge seat (5) consists of two opposing hinge seats, which are respectively connected to the two ends of the bidirectional lead screw (4) for transmission. The moving frame (9) The first sliding groove (101) of the mounting frame (1) slides up and down. The second hinge seat (8) is fixed to the bottom of the movable frame (9) and is movably connected to the two hinge seats (5) one by one through the two connecting rods (7). The two ends of the first rotating rod (11) slide up and down along the second sliding groove (901) on both sides of the inner wall of the movable frame (9) through the slide seat (12). The first rotating cylinder (10) is rotatably installed on the first rotating rod (11). The two ends of the spring (13) are fixed to the slide seat (12) and the movable frame (9) respectively.

2. The tensioning device for producing pharmaceutical aluminum foil according to claim 1, characterized in that: The auxiliary components are installed on the movable frame (9) and include a second rotating cylinder (14), a second rotating rod (15) and an elastic component (16). The two ends of the second rotating rod (15) are fixedly connected to the movable frame (9) through the elastic component (16). The second rotating cylinder (14) is rotatably installed on the second rotating rod (15) and can fit against the first rotating cylinder (10).

3. The tensioning device for producing pharmaceutical aluminum foil according to claim 2, characterized in that: The movable frame (9) is a cuboid structure with a rectangular opening in the middle. Its width is adapted to slide groove one (101), and the width of the slide block (12) is adapted to slide groove two (901).

4. The tensioning device for producing pharmaceutical aluminum foil according to claim 3, characterized in that: The center point of the movable frame (9), the center point of the hinge seat 2 (8), and the symmetry line of the two hinge seats 1 (5) are set on the same vertical section.

5. The tensioning device for producing pharmaceutical aluminum foil according to claim 4, characterized in that: The elastic component (16) consists of a spring and a fixed post. One end of the spring and one end of the fixed post are fixed to the movable frame (9), and the fixed post is located in the middle of the spring.

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