Opening equipment for surgical drapes

Abstract

Opening equipment for surgical drapes comprises a supporting table, a vertically-arranged discharging frame is fixed to the left side of the top end of the supporting table, a discharging roll is assembled on the discharging frame, a tensioning mechanism is fixed to the right side of the discharging frame, a first guide mechanism is arranged on the left side of the tensioning mechanism, and a second guide mechanism is arranged on the right side of the tensioning mechanism. A trepanning mechanism is arranged on the right side of the top end of the supporting table and comprises supporting plates, an upper pressing roller and a lower pressing roller are arranged between the two supporting plates, the two ends of the upper pressing roller are rotationally assembled at the upper ends of the supporting plates, and the two ends of the lower pressing roller are rotationally assembled on the supporting plates below the upper pressing roller; a gap for non-woven fabric to enter and exit exists between the upper pressing roller and the lower pressing roller, a cutting knife used for cutting holes in the non-woven fabric is fixed to the upper pressing roller, and a driving mechanism used for driving the upper pressing roller and the lower pressing roller to rotate reversely is assembled on the portion, on one side of the upper pressing roller, of the supporting plate. The device is simple in structure and convenient to use.

Description

Technical Field

[0001] This utility model belongs to the field of surgical drape production technology, and in particular relates to a perforation device for surgical drapes. Background Technology

[0002] A surgical drape is a surgical drape specifically designed for performing surgery on a patient at a particular site. It contains pre-drilled holes for specific surgical locations, allowing the surgeon to perform the procedure. The primary materials are non-woven fabric and cotton cloth. Surgical drapes effectively separate sterile and sterile areas, preventing or reducing contamination during surgery and protecting vulnerable patients from cross-infection. They also provide protection for surgical personnel. During production, surgical drapes require perforation equipment; currently, most methods use... In the punching process, nonwoven fabric is punched open using a stamping method. During punching, the nonwoven fabric needs to remain under the punching die. After the punching tool punches down and cuts the hole, the nonwoven fabric take-up and undo mechanism is activated to move the punched nonwoven fabric out of the punching die. This reduces production efficiency. If the nonwoven fabric does not stop after moving to the punching die, the punching tool will block the movement of the nonwoven fabric during punching, causing the nonwoven fabric to twist and resulting in a large punching error, which affects the quality of the product. Therefore, in the existing technology, the punching efficiency of surgical drapes is low and production is inconvenient. Utility Model Content

[0003] To address the technical problems of low efficiency and inconvenient production of existing surgical drape opening devices, this utility model provides an opening device for surgical drapes, including a horizontally arranged support platform, with several support legs fixed at the bottom of the support platform. Both the support platform and the support legs provide support. A vertically arranged feeding rack is fixed to the top left of the support platform. A feeding roll is rotatably mounted on the feeding rack. A vertically arranged tensioning mechanism is fixed to the support platform on the right side of the feeding rack. The tensioning mechanism includes a tension roller bracket, on which a tension roller is rotatably mounted. A vertically arranged support tube is provided below the tension roller bracket. The bottom end of the support tube is fixed to the top of the support platform. A vertically arranged slide rod is slidably fitted on the upper end of the support tube. The top end of the slide rod is fixed at the middle position of the bottom end of the tension roller bracket. A compression spring is fitted on the slide rod between the tension roller bracket and the support tube. When the nonwoven fabric tension is large, the nonwoven fabric applies downward pressure to the tension roller, the tension roller bracket moves downward, the slide rod moves downward, and the compression spring is compressed. When the nonwoven fabric tension is small, the compression spring extends and pushes the tension roller bracket upward, and the tension roller drives the nonwoven fabric to increase its tension. The tensioning mechanism has a first guide mechanism on its left side and a second guide mechanism on its right side. The first and second guide mechanisms have the same structure. The first guide mechanism includes a vertically arranged guide roller frame, the bottom end of which is fixed on a support platform, and the top end of which is rotatably equipped with a first guide roller. The second guide mechanism includes a vertically arranged guide roller frame, the bottom end of which is fixed on a support platform, and the top end of which is rotatably equipped with a second guide roller. A perforation mechanism is provided on the right side of the top of the support platform. The perforation mechanism includes two vertically spaced support plates. An upper pressure roller and a lower pressure roller are located between the two support plates. The two ends of the upper pressure roller are rotatably mounted on the upper end of the support plate via support shafts. The two ends of the lower pressure roller are rotatably mounted on the support plate below the upper pressure roller via support shafts. There is a gap between the upper and lower pressure rollers for the nonwoven fabric to pass through. A ring-shaped cutting blade for cutting holes in the nonwoven fabric is fixed on the upper pressure roller. A drive mechanism for driving the upper and lower pressure rollers to rotate in opposite directions is mounted on the support plate on one side of the upper pressure roller. The drive mechanism includes a support shaft fixed on one end of the upper pressure roller. The device has a first gear and a second gear fixed on the support shaft at one end of the lower pressure roller. The first gear and the second gear mesh with each other, and a motor is fixed on the support plate. The power output shaft of the motor is connected to the support shaft of the first gear. The motor is connected to the power supply and PLC controller via a cable. When in use, the non-woven fabric passes between the upper and lower pressure rollers. The motor is started, and the motor drives the upper and lower pressure rollers to rotate synchronously in opposite directions. When the cutting blade on the upper pressure roller rotates to contact the lower pressure roller, the non-woven fabric is cut by the cutting blade. After the non-woven fabric has moved a certain distance, the motor is started again, and the motor drives the upper and lower pressure rollers to rotate and make holes in the non-woven fabric.

[0004] Preferably, retractable guide rods are provided on both sides of the support tube, and the two retractable guide rods are symmetrically arranged. The bottom end of the retractable guide rod is fixed to the support platform, and the top end of the retractable guide rod is fixed to the bottom end of the tension roller bracket. The retractable guide rods play a guiding role for the tension roller bracket and improve the stability of the tension roller bracket.

[0005] The above scheme has the following advantages:

[0006] The perforation mechanism is designed so that the upper and lower pressure rollers are rotated by a motor. When the cutting blade rotates and contacts the lower pressure roller, it cuts the nonwoven fabric between the cutting blade and the lower pressure roller. Since the cutting blade is also in motion, it reduces the obstruction to the nonwoven fabric at the moment of cutting, reduces the bending and folding of the nonwoven fabric, and improves the perforation quality. At the same time, the nonwoven fabric can be continuously conveyed, improving the perforation efficiency. The tensioning mechanism can keep the nonwoven fabric taut during the conveying process, avoiding bending and stacking due to insufficient tension. The first and second guiding mechanisms guide the material direction of the nonwoven fabric, facilitating the feeding and conveying of the nonwoven fabric. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the structure of this utility model;

[0008] Figure 2 This is a schematic diagram of the tensioning mechanism;

[0009] Figure 3 This is a schematic diagram of the hole-opening mechanism.

[0010] Reference numerals: 1. Support platform; 2. Feed roll; 3. Tensioning mechanism; 4. First guide mechanism; 5. Second guide mechanism; 6. Opening mechanism; 7. Non-woven fabric; 11. Support leg; 21. Feed rack; 31. Tensioning roller bracket; 32. Tensioning roller; 33. Support tube; 34. Sliding rod; 35. Compression spring; 36. Telescopic guide rod; 41. First guide roller; 51. Second guide roller; 61. Support plate; 62. Upper pressure roller; 63. Lower pressure roller; 64. Cutting blade; 65. Drive mechanism; 66. First gear; 67. Second gear; 68. Motor. Detailed Implementation

[0011] like Figure 1-2As shown, a surgical drape opening device includes a horizontally arranged support platform 1. Several supporting legs 11 are fixed to the bottom of the support platform 1, both providing support. A vertically arranged feeding rack 21 is fixed to the top left of the support platform 1, and a feeding roll 2 is rotatably mounted on the feeding rack 21. A vertically arranged tensioning mechanism 3 is fixed to the support platform 1 on the right side of the feeding rack 21. The tensioning mechanism 3 includes a tension roller bracket 31, on which a tension roller 32 is rotatably mounted. A vertically arranged support tube 33 is located below the tension roller bracket 31. The bottom end of the support tube 33 is fixed to the top of the support platform 1, and a vertically arranged sliding rod 34 is slidably fitted onto the upper end of the support tube 33. The top of the rod 34 is fixed at the middle of the bottom end of the tension roller bracket 31. A compression spring 35 is sleeved on the slide rod 34 between the tension roller bracket 31 and the support tube 33. When the tension of the nonwoven fabric 7 is large, the nonwoven fabric 7 applies downward pressure to the tension roller 32, the tension roller bracket 31 moves downward, the slide rod 34 moves downward, and the compression spring 35 is compressed. When the tension of the nonwoven fabric 7 is small, the compression spring 35 extends and pushes the tension roller bracket 31 to move upward, and the tension roller 32 drives the nonwoven fabric 7 to increase its tension. The tensioning mechanism 3 has a first guide mechanism 4 on its left side and a second guide mechanism 5 on its right side. The first guide mechanism 4 and the second guide mechanism 5 have the same structure. The first guide mechanism 4 includes a vertically arranged guide roller frame. The bottom end of the guide roller frame is fixed on the support platform 1, and the top end of the guide roller frame is rotatably equipped with a first guide roller 41. The second guide mechanism 5 includes a vertically arranged guide roller frame. The bottom end of the guide roller frame is fixed on the support platform 1, and the top end of the guide roller frame is rotatably equipped with a second guide roller 51.A perforation mechanism 6 is provided on the right side of the top of the support platform 1. The perforation mechanism 6 includes two vertically spaced support plates 61. An upper pressure roller 62 and a lower pressure roller 63 are provided between the two support plates 61. The two ends of the upper pressure roller 62 are rotatably mounted on the upper end of the support plate 61 via support shafts. The two ends of the lower pressure roller 63 are rotatably mounted on the support plate 61 below the upper pressure roller 62 via support shafts. There is a gap between the upper pressure roller 62 and the lower pressure roller 63 for the nonwoven fabric 7 to pass through. An annular cutting blade 64 for cutting holes in the nonwoven fabric 7 is fixed on the upper pressure roller 62. A drive mechanism 65 for driving the upper pressure roller 62 and the lower pressure roller 63 to rotate in opposite directions is mounted on the support plate 61 on one side of the upper pressure roller 62. The drive mechanism 65 includes a drive mechanism 65 fixed on the support shaft at one end of the upper pressure roller 62. The first gear 66 and the second gear 67 are fixed on the support shaft at one end of the lower pressure roller 63. The first gear 66 and the second gear 67 mesh with each other, and the motor 68 is fixed on the support plate 61. The power output shaft of the motor 68 is connected to the support shaft of the first gear 66. The motor 68 is connected to the power supply and the PLC controller through a cable. When in use, the nonwoven fabric 7 passes between the upper pressure roller 62 and the lower pressure roller 63. The motor 68 is started, and the motor 68 drives the upper pressure roller 62 and the lower pressure roller 63 to rotate synchronously in opposite directions. When the cutting blade on the upper pressure roller 62 rotates to contact the lower pressure roller 63, the nonwoven fabric 7 is cut by the cutting blade. After the nonwoven fabric 7 has moved a certain distance, the motor 68 is started again. The motor 68 drives the upper pressure roller 62 and the lower pressure roller 63 to rotate and make holes in the nonwoven fabric 7.

[0012] Preferably, retractable guide rods 36 are provided on both sides of the support tube 33. The two retractable guide rods 36 are symmetrically arranged. The bottom end of the retractable guide rod 36 is fixed on the support platform 1, and the top end of the retractable guide rod 36 is fixed on the bottom end of the tension roller bracket 31. The retractable guide rods 36 play a guiding role for the tension roller bracket 31 and improve the stability of the tension roller bracket 31.

[0013] Usage process:

[0014] In use, the nonwoven fabric 7 is released from the unwinding roll 2 and then passes sequentially through the first guiding mechanism 4, the tensioning mechanism 3, the second guiding mechanism 5, and the opening mechanism 6. After passing between the upper pressure roller 62 and the lower pressure roller 63, the nonwoven fabric 7 enters the subsequent cutting, folding, and packaging processes. The starter motor 68 is started, and the motor 68 drives the upper pressure roller 62 and the lower pressure roller 63 to rotate synchronously in opposite directions. When the cutting blade on the upper pressure roller 62 rotates to contact the lower pressure roller 63, the nonwoven fabric 7 is cut by the cutting blade. After the nonwoven fabric 7 has moved a certain distance, the motor 68 is started again, and the motor 68 drives the upper pressure roller 62 and the lower pressure roller 63 to rotate and open the nonwoven fabric 7.

[0015] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this 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. Therefore, they should not be construed as limitations on this utility model.

[0016] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. A perforation device for a surgical drape, comprising a horizontally arranged support platform, a plurality of supporting legs fixed to the bottom end of the support platform, and a vertically arranged feeding rack fixed to the left side of the top end of the support platform, wherein a feeding roll is rotatably mounted on the feeding rack, characterized in that: A vertically arranged tensioning mechanism is fixed on the support platform on the right side of the feeding rack. A first guide mechanism is provided on the left side of the tensioning mechanism, and a second guide mechanism is provided on the right side of the tensioning mechanism. An opening mechanism is provided on the right side of the top of the support platform. The opening mechanism includes two vertically arranged and spaced support plates. An upper pressure roller and a lower pressure roller are provided between the two support plates. The two ends of the upper pressure roller are rotatably mounted on the upper end of the support plate through the support shaft. The two ends of the lower pressure roller are rotatably mounted on the support plate below the upper pressure roller through the support shaft. There is a gap between the upper pressure roller and the lower pressure roller for the nonwoven fabric to enter and exit. A ring-shaped cutting knife for cutting holes in the nonwoven fabric is fixed on the upper pressure roller. A drive mechanism for driving the upper pressure roller and the lower pressure roller to rotate in opposite directions is mounted on the support plate on one side of the upper pressure roller.

2. The opening device for a surgical drape according to claim 1, characterized in that: The drive mechanism includes a first gear fixed on the support shaft at one end of the upper pressure roller and a second gear fixed on the support shaft at one end of the lower pressure roller. The first gear and the second gear mesh with each other, and a motor is fixed on the support plate. The power output shaft of the motor is connected to the support shaft of the first gear.

3. The opening device for a surgical drape according to claim 1, characterized in that: The tensioning mechanism includes a tensioning roller bracket, on which a tensioning roller is rotatably mounted. A vertically arranged support tube is provided below the tensioning roller bracket. The bottom end of the support tube is fixed to the top of the support platform. A vertically arranged slide rod is slidably sleeved on the upper end of the support tube. The top end of the slide rod is fixed at the middle position of the bottom end of the tensioning roller bracket. A compression spring is sleeved on the slide rod between the tensioning roller bracket and the support tube.

4. The opening device for a surgical drape according to claim 3, characterized in that: Both sides of the support tube are equipped with telescopic guide rods, which are symmetrically arranged. The bottom end of the telescopic guide rod is fixed to the support platform, and the top end of the telescopic guide rod is fixed to the bottom end of the tension roller bracket.

5. The opening device for a surgical drape according to claim 1, characterized in that: The first guide mechanism and the second guide mechanism have the same structure. The first guide mechanism includes a vertically arranged guide roller frame. The bottom end of the guide roller frame is fixed on the support platform, and the top end of the guide roller frame is rotatably equipped with a first guide roller.

6. The opening device for a surgical drape according to claim 5, characterized in that: The second guiding mechanism includes a vertically arranged guide roller frame, the bottom end of which is fixed to a support platform, and the upper end of which is rotatably equipped with a second guide roller.

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