Plastic blood bag aluminum foil bag production and processing device
By adjusting the tension of the aluminum foil bag through the suspension assembly, tension shaft, and transmission shaft, and combining it with the cutting plate and deburring assembly, the problems of displacement and cutting burrs in the plastic blood bag aluminum foil bag during the transmission process are solved, achieving high-precision cutting and deburring, and improving product qualification rate and safety.
Patent Information
- Application Number
- CN202522054826.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-24
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-24
AI Technical Summary
Existing plastic blood bag aluminum foil bags are prone to deviation and wrinkling during transportation due to uneven tension. They also have large dimensional deviations during cutting and are prone to burrs after cutting, affecting product qualification rate and safety.
The design incorporates a suspension assembly, tension shaft, and transmission shaft to adjust tension. Combined with a cutting plate and deburring assembly, it enables simultaneous cutting and hot-pressing deburring. The tension of the aluminum foil bag during transmission is adjusted via the suspension assembly and tension shaft. The cutting plate serves as the cutting reference surface, and the cutting blade and hot-press plate are integrated for cutting and deburring.
It effectively avoids the offset and wrinkling of aluminum foil bags during transportation, reduces cutting size deviation, improves product qualification rate, achieves high-precision cutting and deburring, improves work efficiency, and eliminates the safety hazards of burr falling off.
Smart Images

Figure CN224675080U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of aluminum foil bag production and processing equipment, specifically a plastic blood bag aluminum foil bag production and processing equipment. Background Technology
[0002] Plastic blood bag aluminum foil bags are used in the medical field for outer protection during blood storage and transportation due to their excellent barrier properties (effectively isolating oxygen, moisture, and external contaminants), good sealing properties, and biocompatibility. The precision of their manufacturing directly affects the safety and reliability of their medical use. The production and processing of plastic blood bag aluminum foil bags requires specialized equipment.
[0003] In existing technologies, due to the thinness and toughness of aluminum foil bags, uneven tension during transmission can easily cause deviation and wrinkles when using processing equipment. This leads to dimensional deviations exceeding the allowable range during subsequent cutting, affecting the product qualification rate. In addition, the processing equipment can only perform a single cutting function, and burrs are easily generated on the edges of the aluminum foil bags after cutting. This not only affects the product appearance, but may also cause the bags to fall off during subsequent blood bag assembly and use, posing a medical safety hazard of blood contamination. Summary of the Invention
[0004] The purpose of this invention is to provide a production and processing device for plastic blood bag aluminum foil bags to solve the problems mentioned in the background art.
[0005] This utility model provides the following technical solution: A plastic blood bag aluminum foil bag production and processing device: including a base plate for supporting the upper part and an aluminum foil base material, the upper end of the base plate is provided with a suspension component for suspending the aluminum foil base material, the upper end of the base plate is provided with a drive component for providing cutting and hot pressing power on one side, and the drive component is provided with a deburring component for cutting and hot pressing deburring the aluminum foil base material on one side.
[0006] As a preferred embodiment of the above technical solution, the suspension assembly includes two first support columns, two second support columns, and two third support columns. The two first support columns are fixedly connected in pairs to one side of the upper center of the base plate. The upper ends of the two first support columns are rotatably connected to aluminum foil base material. The two second support columns are fixedly connected in pairs to the side of the upper end of the base plate near the aluminum foil base material. The upper ends of the two second support columns are rotatably connected to two tensioning shafts.
[0007] As a preferred embodiment of the above technical solution, the two third support columns are fixedly connected in pairs to the upper center of the base plate, and a transmission shaft is fixedly connected to the upper end of the two third support columns. A cutting plate is fixedly connected to the side of the upper center of the base plate away from the aluminum foil base material, and the cutting plate corresponds to the movement trajectory of the deburring assembly.
[0008] As a preferred embodiment of the above technical solution, the driving component includes a support plate, which is fixedly connected to the upper part of the base plate near the cutting plate. A motor is fixedly connected to the upper end of the support plate, and a first rotating shaft is fixedly connected to one side of the output end of the motor. A second rotating shaft is rotatably connected to the side of the first rotating shaft away from the motor.
[0009] As a preferred embodiment of the above technical solution, three fixed columns are fixedly connected to the surface of the support plate, and a fixed sleeve is fixedly connected to one end of the three fixed columns away from the support plate. A sliding rod is slidably sleeved in the inner cavity of the fixed sleeve, and the sliding rod is rotatably connected to the side of the second rotation axis away from the first rotation axis.
[0010] As a preferred embodiment of the above technical solution, the deburring assembly includes a connecting plate, which is fixedly connected to the lower end of the sliding rod. A cutting blade is fixedly connected to the lower end of the connecting plate. Four dampers are provided at the four corners of the lower end of the connecting plate. A support frame is fixedly connected to the lower end of the four dampers. A hollow rectangular heating frame is fixedly connected to the center of the lower end of the support frame.
[0011] Compared with the prior art, the beneficial effects of this utility model are: This invention, by setting up a suspension assembly, tension shaft, and transmission shaft, can adjust the tension of the aluminum foil bag in real time during the transmission process, avoiding material deviation or wrinkling. Simultaneously, using a cutting plate as a stable cutting reference surface effectively reduces cutting dimensional deviations, improves product qualification rate, meets the precision requirements of medical-grade plastic blood bag aluminum foil bags, and achieves simultaneous cutting and deburring, improving work efficiency. The deburring assembly of this invention integrates a cutting blade and a hot press plate. While the cutting blade completes the cutting action, the hot press plate uses built-in electric heating wires to heat-press the edges of the aluminum foil bag, directly eliminating burrs and eliminating the safety hazard of burr detachment. Attached Figure Description
[0012] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the suspension assembly of this utility model; Figure 3 This is a three-dimensional structural diagram of the drive component of this utility model; Figure 4 This is a three-dimensional structural diagram of the deburring structure of this utility model.
[0013] In the diagram: 1. Base plate; 2. Suspension assembly; 201. Aluminum foil base material; 202. Tensioning shaft; 203. Transmission shaft; 204. Cutting plate; 205. First support column; 206. Second support column; 207. Third support column; 3. Drive assembly; 301. Motor; 302. First rotating shaft; 303. Second rotating shaft; 304. Sliding rod; 305. Fixing sleeve; 306. Fixing column; 307. Support plate; 4. Deburring assembly; 401. Connecting plate; 402. Cutting blade; 403. Damper; 404. Support frame; 405. Hollowed-out rectangular heating frame. Detailed Implementation
[0014] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0015] Please see Figure 1 As shown, this utility model provides a technical solution: including a base plate 1 for supporting the upper part and an aluminum foil base material 201. The upper end of the base plate 1 is provided with a suspension component 2 for suspending the aluminum foil base material 201. The upper end of the base plate 1 is provided with a drive component 3 for providing cutting and hot pressing power on one side. The drive component 3 is provided with a deburring component 4 for cutting and hot pressing the aluminum foil base material 201 to remove burrs on one side.
[0016] The base plate 1 serves as the basic frame of the device, providing a stable load-bearing foundation for the entire processing flow and ensuring the stability of the processing operation. The suspension assembly 2 enables the orderly intermittent conveying of aluminum foil bag raw materials, avoiding problems such as stacking and misalignment caused by continuous conveying, so as to facilitate the uniform processing of the subsequent deburring assembly 4. The motor 301 of the drive assembly 3 starts and transmits power to the deburring assembly 4 through the first rotating shaft 302, the second rotating shaft 303 and the sliding rod 304. The sliding rod 304 moves down, driving the cutting blade 402 to cut the raw materials. At the same time, the hollow rectangular heating frame 405 simultaneously heat-presses and deburrs the raw materials. The sliding rod 304 moves up and resets, and the suspension assembly 2 conveys the next section of raw materials. The above process is repeated, ultimately achieving high-precision and high-efficiency production of medical-grade plastic blood bag aluminum foil bags.
[0017] As one implementation method in this embodiment, please refer to Figure 2 As shown, the suspension assembly 2 includes two first support columns 205, two second support columns 206, and two third support columns 207. The two first support columns 205 are fixedly connected in pairs to one side of the upper center of the base plate 1. The upper ends of the two first support columns 205 are rotatably connected to aluminum foil base material 201. The two second support columns 206 are fixedly connected in pairs to the side of the upper end of the base plate 1 near the aluminum foil base material 201. The upper ends of the two second support columns 206 are rotatably connected to two tensioning shafts 202.
[0018] The aluminum foil base material 201, which is rotatably connected to the upper end of the first support column 205, stores the rolled aluminum foil bag substrate, enabling continuous unwinding. The tension of the raw material is adjusted by two rotatable tensioning shafts 202 fixed to the upper end of the second support column 206 to prevent the aluminum foil bag from becoming loose, misaligned, or wrinkled. The installation height of the aluminum foil base material 201 on the first support column 205 is matched with the height of the tensioning shafts 202 on the second support column 206 to prevent the substrate from bending or getting stuck due to excessive height difference.
[0019] As one implementation method in this embodiment, please refer to Figure 2 As shown, two third support columns 207 are fixedly connected in pairs to the upper center of the base plate 1. A transmission shaft 203 is fixedly connected to the upper end of the two third support columns 207. A cutting plate 204 is fixedly connected to the side of the upper center of the base plate 1 away from the aluminum foil base material 201, and the cutting plate 204 corresponds to the movement trajectory of the deburring assembly 4.
[0020] The transmission shaft 203, fixedly connected to the upper end of the third support column 207, conveys the aluminum foil base material 201, which has been leveled by the two rotatable tension shafts 202 at the upper end of the second support column 206, to the cutting plate 204 at a uniform speed and without deviation. The cutting plate 204 is fixed to the side away from the aluminum foil base material 201 at the upper center of the base plate 1, and precisely corresponds to the movement trajectory of the deburring assembly 4. It is the only cooperating part of the cutting blade 402 in the deburring assembly 4. Its core function is to provide a flat and rigid cutting support surface for the aluminum foil base material 201. The uniform conveying of the transmission shaft 203 and the precise support of the cutting plate 204 work together to adapt to the continuous processing requirements.
[0021] As one implementation method in this embodiment, please refer to Figure 3 As shown, the drive assembly 3 includes a support plate 307, which is fixedly connected to the upper part of the base plate 1 near the cutting plate 204. A motor 301 is fixedly connected to the upper end of the support plate 307. A first rotating shaft 302 is fixedly connected to one side of the output end of the motor 301. A second rotating shaft 303 is rotatably connected to the side of the first rotating shaft 302 away from the motor 301.
[0022] Motor 301, as the starting point of the entire device's power system, is fixed by support plate 307, which stably supports motor 301 at its upper end, providing a fundamental guarantee for the stability and adaptability of power output. The first rotating shaft 302 is the intermediate connector in the power chain, with one end fixedly connected to the output end of motor 301, directly receiving the rotational power output by motor 301. Its rigid structure stably transmits power, preventing bending or breakage due to insufficient shaft strength. The side furthest from motor 301 is rotatably connected to the second rotating shaft 303, and the transmission structure at the end connects motor 301 to the second rotating shaft 303. The rotational power of the first rotating shaft 302 is precisely transmitted to the second rotating shaft 303, ensuring that the rotational speed of the second rotating shaft 303 is perfectly matched with the rotational speed of the motor 301, thus ensuring that the power transmission is without deviation. The second rotating shaft 303 is the connecting bridge between the drive assembly 3 and the deburring assembly 4. Its end away from the first rotating shaft 302 is rotatably connected to the sliding rod 304, which converts the rotational power transmitted by the first rotating shaft 302 into the power basis for the sliding rod 304 to move up and down along the axis of the fixed sleeve 305, providing stable power for the cutting blade 402 of the deburring assembly 4 to cut and the hollow rectangular heating frame 405 to hot press.
[0023] As one implementation method in this embodiment, please refer to Figure 3 As shown, three fixed posts 306 are fixedly connected to the surface of the support plate 307. A fixed sleeve 305 is fixedly connected to one end of the three fixed posts 306 away from the support plate 307. A sliding rod 304 is slidably sleeved in the inner cavity of the fixed sleeve 305, and the sliding rod 304 is rotatably connected to the side of the second rotating shaft 303 away from the first rotating shaft 302.
[0024] One end of the sliding rod 304 is rotatably connected to the second rotating shaft 303, receiving the power transmitted during the rotation of the second rotating shaft 303. The other end is fixedly connected to the connecting plate 401 of the deburring assembly 4, transmitting the up-and-down reciprocating motion along the axis of the fixed sleeve 305 to the connecting plate 401, thereby driving the cutting blade 402 to complete the cycle of pressing down to cut and lifting up to reset. The fixed sleeve 305 is fixed to the support plate 307 by three fixed posts 306. Under the constraint of the inner cavity of the fixed sleeve 305, the sliding rod 304 only slides up and down along the axis without any radial offset, ensuring accurate power transmission. At the same time, it provides a stable motion reference for the subsequent alignment of the cutting blade 402 with the cutting plate 204 and the synchronous hot pressing of the hollow rectangular heating frame 405.
[0025] As one implementation method in this embodiment, please refer to Figure 4As shown, the deburring assembly 4 includes a connecting plate 401, which is fixedly connected to the lower end of the sliding rod 304. A cutting blade 402 is fixedly connected to the lower end of the connecting plate 401. Four dampers 403 are provided at the four corners of the lower end of the connecting plate 401. A support frame 404 is fixedly connected to the lower end of the four dampers 403. A hollow rectangular heating frame 405 is fixedly connected to the center of the lower end of the support frame 404.
[0026] The cutting blade 402, fixed at the lower end of the connecting plate 401, cuts the aluminum foil base material 201 laid flat on the cutting plate 204, preventing uncutting and subsequent material sticking. If material sticking occurs, the aluminum foil base material 201 is easily torn during subsequent separation, compromising its barrier properties and affecting blood storage safety. The blade profile of the cutting blade 402 perfectly matches the finished shape of the plastic blood bag aluminum foil bag, directly forming the finished product's external dimensions after cutting without secondary trimming, avoiding dimensional accuracy loss due to secondary processing. When the cutting blade 402 is pressed down by the sliding rod 304, it generates an instantaneous impact force. The four dampers 403 set at the four corners can absorb the impact force through their own elastic expansion and contraction, preventing the impact force from being directly transmitted to the cutting blade 402 or the support frame 404, thus preventing the blade from chipping or the support frame 404 from deforming. The four dampers 403 are precisely aligned with the four corners of the support frame 404, ensuring that the lower end face of the hollow rectangular heating frame 405 fixed at the center of the lower end of the support frame 404 is completely in contact with the surface of the raw material when it comes into contact with the aluminum foil base material 201. If the heat pressure is uneven, some areas may not be free of burrs. Burrs may fall off and contaminate blood, posing a medical safety hazard.
[0027] Working principle: First, the aluminum foil base material 201, fixed to one side of the upper center of the base plate 1 and rotatably connected to the upper ends of the paired first support columns 205, begins to unwind. The aluminum foil base material 201 first passes through two rotatable tensioning shafts 202 fixed to the upper ends of the second support columns 206. The tensioning shafts 202 adjust the tension of the material through their own elastic structure, preventing the aluminum foil base material 201 from becoming loose, misaligned, or wrinkled due to its thin material and high toughness, thus ensuring the stability of the initial material conveying state. After being tensioned, the aluminum foil base material 201 is further conveyed to the transmission shaft 203 fixedly connected to the upper end of the third support column 207. The increased friction between the outer wall of the transmission shaft 203 and the material creates a slippage effect, ensuring the stability of the aluminum foil base material. 201 is conveyed forward at a set speed and eventually laid flat on the surface of the cutting plate 204. At this time, the position of the aluminum foil base material 201 is precisely aligned with the movement trajectory of the subsequent cutting blade 402. Simultaneously, the motor 301 fixed to the upper end of the support plate 307 on one side of the width of the cutting plate 204 on the upper end of the base plate 1 operates, and its output end drives the first rotating shaft 302 fixedly connected to it to rotate synchronously. Since the side of the first rotating shaft 302 away from the motor 301 is rotatably connected to the second rotating shaft 303, the rotational power is transmitted to the second rotating shaft 303 through inter-shaft transmission. One end of the sliding rod 304 is rotatably connected to the end of the second rotating shaft 303 away from the first rotating shaft 302, and the other end... The sliding rod 304 is slidably sleeved within the inner cavity of the fixed sleeve 305. The guiding function of the fixed sleeve 305 restricts the radial displacement of the sliding rod 304, converting the circular motion of the second rotating shaft 303 into the reciprocating up-and-down motion of the sliding rod 304 along the axial direction of the fixed sleeve 305. The connecting plate 401 fixed at the lower end of the sliding rod 304 moves down with the sliding rod 304, causing the cutting blade 402 fixed below the connecting plate 401 to move down synchronously. The blade gradually approaches the surface of the cutting plate 204. When the sliding rod 304 moves down to the lowest point, the blade of the cutting blade 402 comes into contact with the cutting plate 204, accurately cutting the flat aluminum foil base material 201 and completing the cutting process. As the cutting blade 402 moves down, its lower end four The four dampers 403 at the corners are pushed downwards simultaneously, causing the support frame 404 fixed at the lower end of the dampers 403 to move closer to the hollow rectangular heating frame 405 fixed at the lower center of the support frame 404. The electric heating wire embedded in the hollow rectangular heating frame 405 is energized and heated, and the burrs on the cutting edge of the aluminum foil base material 201 are melted and shaped through the hot pressing action, eliminating the safety hazard of burrs falling off. At the same time, the dampers 403 can prevent the cutting blade 402 and the hollow rectangular heating frame 405 from being damaged by the instantaneous impact force due to excessive force, thereby improving the processing accuracy and extending the service life of the device.
[0028] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.
Claims
1. A processing apparatus for producing aluminum foil bags for plastic blood bags, characterized in that: It includes a base plate (1) for supporting the upper part and an aluminum foil base material (201). The upper end of the base plate (1) is provided with a suspension assembly (2) for suspending the aluminum foil base material (201). The upper end of the base plate (1) is provided with a drive assembly (3) for providing cutting and hot pressing power on one side. The drive assembly (3) is provided with a deburring assembly (4) for cutting and hot pressing the aluminum foil base material (201) to remove burrs on one side.
2. The plastic blood bag aluminum foil bag production and processing device according to claim 1, characterized in that: The suspension assembly (2) includes two first support columns (205), two second support columns (206) and two third support columns (207). The two first support columns (205) are fixedly connected in pairs to one side of the upper center of the base plate (1). The upper ends of the two first support columns (205) are rotatably connected to aluminum foil base material (201). The two second support columns (206) are fixedly connected in pairs to the side of the upper end of the base plate (1) near the aluminum foil base material (201). The upper ends of the two second support columns (206) are rotatably connected to two tensioning shafts (202).
3. The plastic blood bag aluminum foil bag production and processing device according to claim 2, characterized in that: Two third support columns (207) are fixedly connected in pairs to the upper center of the base plate (1). A transmission shaft (203) is fixedly connected to the upper end of the two third support columns (207). A cutting plate (204) is fixedly connected to the side of the upper center of the base plate (1) away from the aluminum foil base material (201), and the cutting plate (204) corresponds to the movement trajectory of the deburring assembly (4).
4. The plastic blood bag aluminum foil bag production and processing device according to claim 1, characterized in that: The drive assembly (3) includes a support plate (307), which is fixedly connected to one side of the upper part of the base plate (1) near the cutting plate (204). A motor (301) is fixedly connected to the upper end of the support plate (307), and a first rotating shaft (302) is fixedly connected to one side of the output end of the motor (301). A second rotating shaft (303) is rotatably connected to the side of the first rotating shaft (302) away from the motor (301).
5. The plastic blood bag aluminum foil bag production and processing device according to claim 4, characterized in that: Three fixed posts (306) are fixedly connected to the surface of the support plate (307). A fixed sleeve (305) is fixedly connected to one end of the three fixed posts (306) away from the support plate (307). A sliding rod (304) is slidably sleeved in the inner cavity of the fixed sleeve (305), and the sliding rod (304) is rotatably connected to the side of the second rotating shaft (303) away from the first rotating shaft (302).
6. The plastic blood bag aluminum foil bag production and processing device according to claim 5, characterized in that: The deburring assembly (4) includes a connecting plate (401), which is fixedly connected to the lower end of the sliding rod (304). A cutting blade (402) is fixedly connected to the lower end of the connecting plate (401). Four dampers (403) are provided at the four corners of the lower end of the connecting plate (401). A support frame (404) is fixedly connected to the lower end of the four dampers (403). A hollow rectangular heating frame (405) is fixedly connected to the center of the lower end of the support frame (404).