Hole cutting device

Abstract

The utility model relates to the technical field of hole cutting devices, in particular to a hole cutting device. According to the technical scheme, the hole cutting device comprises a hole cutting tool and a hole cutting tool rest, the hole cutting tool comprises a tool roller and a hole cutting tool arranged on the roller wall of the tool roller, the hole cutting tool is arranged in the radial direction of the tool roller, and the cutting edge of the hole cutting tool faces the direction away from the tool roller. The cutter roller is detachably connected with the hole cutting tool rest. The device has the following effects that when adhesive bandages of different styles are produced, an operator can detach the cutter roller from the hole cutting cutter rest, the hole cutting cutter can be replaced, the device is suitable for production of the adhesive bandages of different styles, and the production cost is reduced to a certain extent.

Description

Technical Field

[0001] The present application relates to the technical field of hole cutting devices, and in particular to a hole cutting device. Background Art

[0002] Band-aid is the most commonly used surgical dressing in our lives, including adhesive tape, a core adhered to the adhesive tape and two layers of release paper. The release paper is used to keep the surface of the core clean. Generally, after removing the outer packaging, tear off the two layers of release paper and then stick the Band-aid on the skin wound.

[0003] For example, a Chinese utility model patent with authorization announcement number CN201542822U discloses a wound dressing, which includes a base cloth coated with a self-adhesive adhesive on the inner surface, a wound protection layer adhered to the middle of the base cloth, and anti-sticking isolation paper adhered to the two ends of the inner surface of the base cloth, wherein the wound protection layer is composed of a sponge-like fabric layer and a polyethylene protective mesh film covering the surface of the sponge-like fabric layer, and the sponge-like fabric layer contains sucrose powder.

[0004] The user needs to wet the dry sucrose powder before applying it to the skin wound. In order to facilitate the user to drip water into the sucrose powder in the sponge-like fabric layer, a drip hole can be opened on the base fabric of the band-aid. However, the sizes of the drip holes opened in different styles of band-aids are different. When producing different styles of band-aids, different hole cutting devices need to be replaced, resulting in high production costs. Utility Model Content

[0005] In order to adapt to the production of different styles of bandages and reduce production costs to a certain extent, the present application provides a hole cutting device.

[0006] A hole cutting device provided in the present application adopts the following technical solution: it includes a hole cutting tool and a hole cutting tool holder, the hole cutting tool includes a tool roller and a hole cutting knife arranged on the roller wall of the tool roller, the hole cutting knife is arranged radially along the tool roller, the blade of the hole cutting knife faces away from the tool roller, and the tool roller and the hole cutting tool holder are detachably connected.

[0007] By adopting the above technical solution, when producing different styles of band-aids, the operator can remove the tool roller from the hole-cutting tool holder to replace the hole-cutting tool, which is suitable for the production of different styles of band-aids and reduces production costs to a certain extent.

[0008] Preferably, the hole cutting tool holder includes a tool holder seat and a tool holder cover, and the two ends of the tool roller are respectively used to be embedded in the two side walls of the tool holder seat, and the tool holder cover is arranged above the tool holder seat and the tool holder cover is used to limit the two ends of the tool roller to be respectively embedded in the two side walls of the tool holder seat, and the tool holder cover and the tool holder seat are detachably connected.

[0009] By adopting the above technical solution, the operator removes the tool holder cover from the tool holder seat, and then removes the tool roller from the tool holder seat for replacement, which is suitable for the production of different styles of band-aids and is more convenient.

[0010] Preferably, four connecting bolts are passed through the tool holder cover, and the connecting bolts are sequentially passed through the tool holder cover and the tool holder seat in a direction perpendicular to the cover surface of the tool holder cover, and the four connecting bolts are distributed on the tool holder cover in a rectangular shape.

[0011] By adopting the above technical solution, the detachable connection between the tool holder seat and the tool holder cover is achieved through connecting bolts, which is more convenient, and the four connecting bolts are distributed in a rectangular shape, making the connection between the tool holder seat and the tool holder cover more stable.

[0012] Preferably, adjustment adaptation grooves for embedding the tool roller are provided on both side walls of the tool holder seat along the axial direction of the tool roller, and the adjustment adaptation grooves penetrate the side walls of the tool holder seat toward the direction close to the tool holder cover to form an insertion port, and the tool holder cover is used to seal the insertion port.

[0013] By adopting the above technical solution, the opening of the adaptable groove is adjusted so that different tool rollers can be placed in the tool holder seat. When the tool holder cover is removed, the tool roller can be removed from the tool holder seat through the insertion port.

[0014] Preferably, an adjusting pressure roller is provided on the tool holder seat, and the adjusting pressure roller is used to make the tool roller have a tendency to approach the wound patch, and the adjusting pressure roller is connected to the tool holder seat in a positionable reciprocating sliding manner along the vertical direction.

[0015] By adopting the above technical solution, the adjusting pressure roller can be adjusted in position by sliding in the vertical direction according to the size of the cutting tool and the thickness of the band-aid, so that the adjusting pressure roller can be adapted to the production of different styles of band-aids.

[0016] Preferably, at least one adjusting rod is vertically provided on the tool holder cover, the length direction of the adjusting rod is vertically arranged, the adjusting rod is threadedly connected to the tool holder cover, and one end of the adjusting rod is used to abut against the adjusting roller.

[0017] By adopting the above technical solution, the position of the adjusting rod is adjusted during the process of the adjusting rod being threadedly rotated, thereby changing the pressure applied by the adjusting pressure roller to the tool roller.

[0018] Preferably, an adjusting disc is provided at one end of the adjusting rod away from the adjusting pressure roller, and a plurality of hand-gripping notches are provided on the circumferential wall of the adjusting disc along the radial direction of the adjusting disc, and the plurality of hand-gripping notches are provided at equal angles along the circumference of the adjusting disc.

[0019] By adopting the above technical solution, the adjusting disc makes it easy for the operator to adjust the position of the adjusting rod, and the provision of the hand grip notch reduces the probability of the operator slipping during operation.

[0020] Preferably, a plurality of the hole cutting knives are provided, and the plurality of the hole cutting knives are arranged at equal angles along the circumference of the tool roller.

[0021] By adopting the above technical solution, a plurality of hole cutting knives are arranged at equal angles in the circumferential direction, so that a plurality of band-aids can be punched during one rotation of the cutter roller, thereby further improving production efficiency.

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

[0023] 1. When producing different styles of bandages, the operator can remove the cutter roller from the hole cutting tool holder to replace the hole cutting tool, which is suitable for the production of different styles of bandages and reduces the production cost to a certain extent;

[0024] 2. Multiple hole cutting knives are arranged at equal angles in the circumferential direction, so that multiple bandages can be punched during one rotation of the cutter roller, further improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of this application;

[0026] Figure 2 It is a partial structural diagram of this application;

[0027] Figure 3 It is a schematic diagram of the overall structure of the present application from another perspective;

[0028] Figure 4 It is a cross-sectional schematic diagram of the overall structure of the present application;

[0029] Figure 5 It is this application.

[0030] Explanation of the reference numerals: 110, hole cutting tool; 1101, tool roller; 1102, hole cutting tool; 111, hole cutting tool holder; 1111, tool holder seat; 1112, tool holder cover; 112, connecting bolt; 113, adjustment adaptation groove; 114, mounting plate; 115, mounting bolt; 116, conveying roller; 118, bottom plate; 119, supporting vertical plate; 120, adjustment pressure roller; 121, adjustment rod; 122, adjustment disc; 123, hand grip notch; 131, transition roller; 132, material receiving roller; 133, waste collecting roller. DETAILED DESCRIPTION

[0031] The present application is further described in detail below in conjunction with the accompanying drawings.

[0032] The present application discloses a hole cutting device, which is used to adapt to the production of different styles of wound dressings and reduce the production cost to a certain extent.

[0033] refer to Figure 1 , Figure 2 A hole cutting device includes a hole cutting tool 110 and a hole cutting tool holder 111. The hole cutting tool 110 includes a tool roller 1101 and a hole cutting tool 1102 arranged on the roller wall of the tool roller 1101. The hole cutting tool 1102 is arranged radially along the tool roller 1101. The blade of the hole cutting tool 1102 faces a direction away from the tool roller 1101. The tool roller 1101 and the hole cutting tool holder 111 are detachably connected. In this embodiment, the hole cutting tool holder 111 includes a tool holder seat 1111 and a tool holder cover 1112. The tool holder cover 1112 is arranged above the tool holder seat 1111 and the tool holder cover 1112 is used to limit the two ends of the tool roller 1101 to be respectively embedded in the side walls of the tool holder seat 1111. The tool holder seat 1111 includes a horizontally arranged bottom plate 118 and two vertically arranged support vertical plates 119 , two supporting vertical plates 119 are vertically symmetrically arranged on the upper surface of the bottom plate 118, the tool holder cover 1112 is a rectangular thin plate, and four connecting bolts 112 are pierced on the tool holder cover 1112. The connecting bolts 112 are sequentially pierced through the tool holder cover 1112 and the upper surface of the supporting vertical plates 119 in a direction perpendicular to the cover surface of the tool holder cover 1112. The four connecting bolts 112 are distributed on the tool holder cover 1112 in a rectangular shape, that is, two connecting bolts 112 are a group, and each supporting vertical plate 119 is pierced with two connecting bolts 112. The detachable connection relationship between the tool holder seat 1111 and the tool holder cover 1112 is realized by the connecting bolts 112, which is more convenient, and the rectangular distribution of the four connecting bolts 112 makes the connection relationship between the tool holder seat 1111 and the tool holder cover 1112 more stable.

[0034] refer to Figure 1 , Figure 2 and Figure 3Furthermore, the two supporting vertical plates 119 are each provided with an adjustment adaptation groove 113 for the tool roller 1101 to be embedded. The adjustment adaptation groove 113 penetrates the supporting vertical plate 119 axially along the tool roller 1101, and the adjustment adaptation groove 113 penetrates the upper surface of the supporting vertical plate 119 in the direction close to the tool holder cover 1112 to form an insertion port. The two ends of the tool roller 1101 are respectively embedded in the two supporting vertical plates 119 from the two insertion ports. When producing different styles of band-aids, the operator removes the previous tool roller 1101 from the hole cutting tool holder 111, and installs the hole cutting tool 110 of the size suitable for the hole to be opened in the band-aid onto the hole cutting tool holder 111, that is, the two ends of the tool roller 1101 are respectively embedded in the two supporting vertical plates 119, and then the tool cover is placed on the tool holder, and the four connecting bolts 112 are installed in sequence, that is, the replacement of the hole cutting tool 110 is completed, which is suitable for the production of different styles of band-aids and reduces the production cost to a certain extent.

[0035] Further, refer to Figure 1 A mounting plate 114 is horizontally extended on one side wall of the bottom plate 118, and two mounting bolts 115 are penetrated on the mounting plate 114. The two mounting bolts 115 are symmetrically penetrated on the mounting plate 114. The mounting bolts 115 pass through the mounting plate 114 and are threadedly connected to the body of the band-aid production machine, so that the hole cutting device and the body of the band-aid production machine are detachably connected, so that the band-aid production machine can produce both band-aids that require drip holes and band-aids that do not require drip holes.

[0036] Specifically, refer to Figure 1 , Figure 4 The cutting tool holder 111 is also provided with a conveying roller 116, the axial direction of the conveying roller 116 is parallel to the axial direction of the tool roller 1101, and the two ends of the conveying roller 116 are respectively embedded in the two supporting vertical plates 119 from two insertion ports, and the wound patch passes between the conveying roller 116 and the tool roller 1101. The tool holder seat 1111 is provided with an adjusting pressure roller 120, which is used to make the tool roller 1101 have a tendency to approach the wound patch, that is, the tool roller 1101 has a tendency to approach the conveying roller 116, and the adjusting pressure roller 120 can be adjusted along the vertical direction. The reciprocating sliding movement of the position is connected to the tool holder seat 1111, and the adjusting pressure roller 120 can be positioned and slid along the vertical direction according to the size of the hole cutting tool 110 and the thickness of the band-aid to adjust the position, so that the adjusting pressure roller 120 can be adapted to the production of different styles of band-aids. In the present embodiment, a plurality of hole cutting knives 1102 are provided, and the plurality of hole cutting knives 1102 are arranged at equal angles along the circumference of the tool roller 1101, so that a plurality of band-aids can be punched during one rotation of the tool roller 1101, thereby further improving production efficiency.

[0037] Furthermore, at least one adjusting rod 121 is provided on the tool holder cover 1112 in the vertical direction. The length direction of the adjusting rod 121 is provided in the vertical direction. The adjusting rod 121 is threadedly connected to the tool holder cover 1112. One end of the adjusting rod 121 is used to contact the adjusting pressure roller 120. The position of the adjusting rod 121 is adjusted during the process of threaded rotation of the adjusting rod 121, thereby changing the pressure applied by the adjusting pressure roller 120 to the tool roller 1101. In the present embodiment, two adjusting rods 121 are provided. Two adjusting rods 121 are symmetrically arranged on the tool holder cover 1112. An adjusting disc 122 is provided at one end of the adjusting rod 121 away from the adjusting pressure roller 120. A plurality of hand-gripping notches 123 are radially provided on the circumferential wall of the adjusting disc 122. The plurality of hand-gripping notches 123 are arranged at equal angles along the circumference of the adjusting disc 122. The adjusting disc 122 facilitates the operator to adjust the position of the adjusting rod 121, and the provision of the hand-gripping notches 123 reduces the probability of slipping during the operation of the operator.

[0038] In this embodiment, reference Figure 5 A transition roller 131 is provided on one side of the hole cutting tool holder 111. After the wound patch passes through the hole cutting tool holder 111, part of it is transferred to the material receiving roller 132 through the transition roller 131, and part of it is transferred to the waste collecting roller 133. Figure 5 The angle range of a is 20°-90°, and the half-cutting process of the bandage is achieved by sharp-angle peeling.

[0039] The implementation principle of a hole cutting device in an embodiment of the present application is as follows: when producing different styles of band-aids, the operator removes the previous tool roller 1101 from the hole cutting tool holder 111, and installs the hole cutting tool 110 suitable for the size of the hole to be opened in the band-aid onto the hole cutting tool holder 111, that is, the two ends of the tool roller 1101 are respectively embedded in two supporting vertical plates 119, and then the tool cover is placed on the tool holder, and the four connecting bolts 112 are installed in sequence, thus completing the replacement of the hole cutting tool 110, which is suitable for the production of different styles of band-aids and reduces the production cost to a certain extent.

[0040] The embodiments of this specific implementation method are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A hole cutting device, comprising a hole cutting tool (110) and a hole cutting tool holder (111), characterized in that: The hole cutting tool (110) comprises a tool roller (1101) and a hole cutting knife (1102) arranged on the roller wall of the tool roller (1101); the hole cutting knife (1102) is arranged radially along the tool roller (1101); the blade of the hole cutting knife (1102) faces in a direction away from the tool roller (1101); and the tool roller (1101) and the hole cutting tool holder (111) are detachably connected.

2. A hole cutting device according to claim 1, characterized in that: The hole cutting tool holder (111) comprises a tool holder seat (1111) and a tool holder cover (1112); the two ends of the tool roller (1101) are respectively used to be embedded in the two side walls of the tool holder seat (1111); the tool holder cover (1112) is arranged above the tool holder seat (1111) and is used to limit the two ends of the tool roller (1101) to be respectively embedded in the two side walls of the tool holder seat (1111); the tool holder cover (1112) and the tool holder seat (1111) are detachably connected.

3. A hole cutting device according to claim 2, characterized in that: Four connecting bolts (112) are provided on the tool holder cover (1112); the connecting bolts (112) are provided in sequence through the tool holder cover (1112) and the tool holder seat (1111) in a direction perpendicular to the cover surface of the tool holder cover (1112); the four connecting bolts (112) are distributed on the tool holder cover (1112) in a rectangular shape.

4. A hole cutting device according to claim 3, characterized in that: Adjustment adaptation grooves (113) for embedding the tool roller (1101) are provided on both side walls of the tool holder seat (1111) along the axial direction of the tool roller (1101), and the adjustment adaptation grooves (113) penetrate the side walls of the tool holder seat (1111) in a direction close to the tool holder cover (1112) to form an insertion opening, and the tool holder cover (1112) is used to seal the insertion opening.

5. A hole cutting device according to claim 4, characterized in that: The knife holder seat (1111) is provided with an adjusting pressure roller (120), the adjusting pressure roller (120) being used to make the tool roller (1101) have a tendency to approach the wound patch, and the adjusting pressure roller (120) is connected to the knife holder seat (1111) in a positionable reciprocating sliding manner in a vertical direction.

6. A hole cutting device according to claim 5, characterized in that: At least one adjusting rod (121) is provided on the tool holder cover (1112) in a vertical direction. The length direction of the adjusting rod (121) is arranged in the vertical direction. The adjusting rod (121) is threadedly connected to the tool holder cover (1112). One end of the adjusting rod (121) is used to contact the adjusting pressure roller (120).

7. A hole cutting device according to claim 6, characterized in that: An adjusting disc (122) is provided at one end of the adjusting rod (121) away from the adjusting pressure roller (120), and a plurality of hand-gripping notches (123) are provided on the peripheral wall of the adjusting disc (122) along the radial direction of the adjusting disc (122), and the plurality of hand-gripping notches (123) are provided at equal angles along the circumference of the adjusting disc (122).

8. A hole cutting device according to claim 7, characterized in that: A plurality of the hole cutting knives (1102) are provided, and the plurality of hole cutting knives (1102) are arranged at equal angles along the circumference of the tool roller (1101).

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