A surgical knife assembly device

By designing a multifunctional scalpel assembly device, multiple scalpels can be assembled simultaneously, improving assembly efficiency and safety, and solving the problem of low single-assembly efficiency in existing technologies.

CN224276257UActive Publication Date: 2026-05-26HUAIAN ANJIE MEDICAL EQUIP LIMITED BY SHARE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUAIAN ANJIE MEDICAL EQUIP LIMITED BY SHARE
Filing Date
2025-06-24
Publication Date
2026-05-26

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Abstract

This utility model relates to the field of scalpel assembly technology, and in particular to a scalpel assembly device, including a worktable, a vertical plate fixedly mounted on one side of the top of the worktable, a flip plate movably connected to the surface of the vertical plate, two limiting plates movably connected to the inner wall of the flip plate, and several blade grooves formed on the inner wall of one side of each of the two limiting plates. A bracket is movably connected to one side of the front of the vertical plate, and a pad is engaged with the bottom end of the bracket. A clamping assembly is provided inside the flip plate, and an installation assembly is provided between the pad and the bracket. By designing a first sliding groove, a two-way lead screw, a lead screw nut, a first motor, a third motor, an auxiliary shaft, a flip plate, a cylinder, an electric push rod, a bracket, a pad, blade grooves, and a handle groove, the assembly device can fix multiple blades at once for scalpel assembly, reducing the manual blade fixing process, saving a lot of time and manpower, improving production efficiency, and reducing product defect rate.
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Description

Technical Field

[0001] This utility model relates to the field of surgical knife assembly technology, and in particular to a surgical knife assembly device. Background Technology

[0002] A scalpel is a specialized surgical instrument consisting of a blade and a handle, used for cutting human or animal tissues. It is an indispensable and important surgical tool. Existing scalpels are mainly divided into two categories: one is a scalpel with a recyclable handle made entirely of metal, and the other is a disposable scalpel with a plastic handle. The scalpel assembled in this application is the second type, which typically consists of three parts: a blade, a handle, and a sheath.

[0003] Patent specification CN202322030695.5 discloses a scalpel assembly device, "including a base, a scalpel holder for fixing the scalpel handle, and a scalpel head moving seat for driving the scalpel head. A coil holder is mounted on the base, and an electromagnetic coil for heating the metal scalpel head is mounted on the coil holder. In this scalpel assembly device, the scalpel handle is fixed by the scalpel holder mounted on the base, and the scalpel head moving seat drives the scalpel head to the position of the scalpel handle. The scalpel head is heated at high frequency by the electromagnetic coil in the scalpel head moving seat, and after heating, it is inserted into the plastic scalpel handle to complete the installation."

[0004] However, in implementing the relevant technology, the above-mentioned scalpel assembly device has the following problems: the traditional scalpel assembly device can only assemble one scalpel at a time during the assembly process, and cannot flexibly arrange production according to demand, resulting in poor assembly efficiency. In view of this, a scalpel assembly device is provided to overcome the above defects. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a surgical knife assembly device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a scalpel assembly device, including a worktable, a vertical plate fixedly provided on one side of the top of the worktable, a flip plate movably connected to the surface of the vertical plate, two limiting plates movably connected to the inner wall of the flip plate, a plurality of slots formed on the inner wall of one side of each of the two limiting plates, a bracket movably connected to one side of the front of the vertical plate, a pad engaged at the bottom of the bracket, a clamping assembly provided inside the flip plate, an installation assembly provided between the pad and the bracket, and a placement groove formed on the inner wall of the top of the worktable.

[0007] As a further description of the above technical solution: the clamping assembly includes a first sliding groove, a bidirectional lead screw, two lead screw nuts, and a first motor. The first sliding groove is formed on the inner wall of the flipping plate and is slidably connected to two limiting plates. The bidirectional lead screw is rotatably connected to the inside of the first sliding groove through bearings. The two lead screw nuts are respectively fixedly installed on the inner walls of the two limiting plates and are threadedly connected to the bidirectional lead screw. The first motor is fixedly installed at the top of the flipping plate, and the drive shaft of the first motor is fixedly connected to the top of the bidirectional lead screw. By rotating the bidirectional lead screw and cooperating with the two lead screw nuts, the two limiting plates can be brought closer to each other, thereby fixing multiple blades through each pair of opposing blade slots.

[0008] As a further description of the above technical solution: the mounting assembly includes a clamping plate, a clamping groove, a second sliding groove, a toothed plate, a second motor, a gear, and a locking pin. The clamping plate is fixedly disposed on one side of the pad. The clamping groove is opened on the inner wall of the bottom end of the front of the bracket and matches the clamping plate. The second sliding groove is opened on the inner wall of one side of the front of the bracket, and the toothed plate is slidably connected to the inner wall of the second sliding groove. The second motor is fixedly disposed on the top end of the front of the bracket, and the transmission shaft of the second motor is fixedly connected to a gear. The gear meshes with the toothed plate. A locking pin is fixedly disposed on the bottom of one side of the toothed plate and engages with the pad. Through the meshing of the gear and the toothed plate, the pad can be fixed to the bottom end of the bracket by the locking pin, the clamping plate, and the clamping groove.

[0009] As a further description of the above technical solution: the bracket has several fixed cavities inside, each fixed cavity has a sliding hole at its top, the inner walls of each sliding hole are slidably connected to a pull rod, the bottom ends of each pull rod are fixedly fitted with a pressure plate, the top ends of each pull rod are fixedly fitted with a handwheel, the bottom ends of each handwheel are fixedly fitted with a return spring, the bottom ends of each return spring are fixedly connected to the bracket, and one side of the top of the bracket is fixedly fitted with several warning lights. By pulling the pull rods to move them upward along the sliding holes, and then retracting and resetting them by the return springs, the pressure plates can fix multiple knife handles to the surface of the pad.

[0010] As a further description of the above technical solution: the inner wall of the upright plate is rotatably connected to an auxiliary shaft via a bearing. One end of the auxiliary shaft is fixedly connected to a flipping plate. A third motor is fixedly installed on one side of the back of the upright plate. The drive shaft of the third motor is fixedly connected to the auxiliary shaft. Sheath grooves are opened on the inner walls of the other side of the two limiting plates. The auxiliary shaft and the flipping plate are rotated by the third motor, thereby adjusting the tilt angle of multiple blades and making it easier for multiple blades to be stuck on the surface of the handle.

[0011] As a further description of the above technical solution: the inner wall of the top of the pad is provided with several handle grooves, the inner wall of the card plate is provided with a sleeve hole, the inner wall of the placement groove is fixedly provided with a guide rod, the guide rod is slidably connected to the sleeve hole, a weighing plate is fixedly provided inside the pad, and several warning lights are electrically connected to the weighing plate.

[0012] As a further description of the above technical solution: a cylinder is fixedly provided on one side of the upright plate, and an electric push rod is fixedly connected to the piston rod of the cylinder, and the push rod of the electric push rod is fixedly connected to the bracket.

[0013] As a further description of the above technical solution: a control console is fixedly provided on the surface of the workbench, and the surface of the control console is respectively provided with a first motor switch, a second motor switch, a third motor switch, a cylinder switch and an electric push rod switch. The first motor, the second motor, the third motor, the cylinder and the electric push rod are electrically connected to the power supply through the first motor switch, the second motor switch, the third motor switch, the cylinder switch and the electric push rod switch respectively.

[0014] This utility model has the following beneficial effects:

[0015] The scalpel assembly device designed in this utility model utilizes a combination of components including a first sliding groove, a bidirectional lead screw, a lead screw nut, a first motor, a third motor, an auxiliary shaft, a flipping plate, a cylinder, an electric push rod, a bracket, a pad, a blade groove, and a handle groove. This allows the assembly device to fix multiple blades at once, reducing the need for manual blade fixing, saving significant time and manpower, improving production efficiency, and lowering the product defect rate. Furthermore, it avoids the risk of blades injuring personnel during manual assembly, minimizes the impact of manual contact on blade quality, and ensures personnel safety.

[0016] The scalpel assembly device designed in this utility model, through the design of a handle groove, guide rod, sleeve hole, and placement groove, allows for repeated assembly operations to complete the assembly of multiple scalpel sheaths at once. This facilitates the protection of the assembled scalpels and prevents the scalpel blades from cutting personnel after assembly. Furthermore, through the cooperation of a weighing plate and warning lights, the assembled scalpels can be quality inspected, and scalpels that fail to meet the standards can be alerted by the warning light, reminding staff to handle the issue. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0019] Figure 3This is a schematic diagram of the structure of the pad of this utility model;

[0020] Figure 4 This is a cross-sectional structural diagram of the bracket of this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the bracket of this utility model.

[0022] Legend:

[0023] 1. Workbench; 2. Vertical plate; 3. Flip plate; 4. Limiting plate; 5. Plate slot; 6. Bracket; 7. Pad plate; 8. Clamping assembly; 9. Mounting assembly; 10. Placement slot; 11. Fixing cavity; 12. Sliding hole; 13. Pull rod; 14. Pressure plate; 15. Handwheel; 16. Return spring; 17. Auxiliary shaft; 18. Third motor; 19. Sheath slot; 20. Handle slot; 21. Sleeve hole; 22. Guide rod; 23. Warning light; 24. Weighing plate; 25. Cylinder; 26. Electric push rod; 27. Control console; 81. First slide rail; 82. Double-acting lead screw; 83. Lead screw nut; 84. First motor; 91. Clamping plate; 92. Clamping slot; 93. Second slide rail; 94. Gear plate; 95. Second motor; 96. Gear; 97. Locking pin. Detailed Implementation

[0024] Reference Figure 1-5 The present invention provides a scalpel assembly device, comprising a worktable 1, a vertical plate 2 fixedly mounted on one side of the top of the worktable 1, a flip plate 3 movably connected to the surface of the vertical plate 2, two limiting plates 4 movably connected to the inner wall of the flip plate 3, and several slots 5 formed on the inner wall of one side of each of the two limiting plates 4, a bracket 6 movably connected to one side of the front of the vertical plate 2, a pad 7 engaging at the bottom of the bracket 6, a clamping assembly 8 inside the flip plate 3, an installation assembly 9 between the pad 7 and the bracket 6, and a placement groove 10 formed on the inner wall of the top of the worktable 1.

[0025] As a further implementation of the above technical solution: the clamping assembly 8 includes a first slide groove 81, a bidirectional lead screw 82, two lead screw nuts 83 and a first motor 84. The first slide groove 81 is formed on the inner wall of the flip plate 3 and is slidably connected to the two limiting plates 4. The bidirectional lead screw 82 is rotatably connected to the inside of the first slide groove 81 through a bearing. The two lead screw nuts 83 are respectively fixedly set on the inner walls of the two limiting plates 4 and are threadedly connected to the bidirectional lead screw 82. The first motor 84 is fixedly set on the top of the flip plate 3 and the drive shaft of the first motor 84 is fixedly connected to the top of the bidirectional lead screw 82.

[0026] An auxiliary shaft 17 is rotatably connected to the inner wall of the upright plate 2 via a bearing. One end of the auxiliary shaft 17 is fixedly connected to the flip plate 3. A third motor 18 is fixedly installed on one side of the back of the upright plate 2. The transmission shaft of the third motor 18 is fixedly connected to the auxiliary shaft 17. Sheath grooves 19 are opened on the inner walls of the other side of the two limiting plates 4. The first motor 84 can drive the bidirectional lead screw 82 to rotate clockwise. After the bidirectional lead screw 82 cooperates with the two lead screw nuts 83, the two limiting plates 4 slide relative to each other along the inner wall of the first sliding groove 81, so that multiple blades can be clamped and fixed by each pair of opposite blade grooves 5. Then, the third motor 18 drives the auxiliary shaft 17 to rotate, so that the flip plate 3 and multiple blades are tilted at a certain angle, so that the locking structure between the blades and the cutting tools is on the same horizontal plane.

[0027] As a further implementation of the above technical solution: the mounting component 9 includes a clamping plate 91, a clamping groove 92, a second sliding groove 93, a toothed plate 94, a second motor 95, a gear 96, and a locking pin 97. The clamping plate 91 is fixedly disposed on one side of the pad 7. The clamping groove 92 is opened on the inner wall of the bottom end of the front of the bracket 6 and matches the clamping plate 91. The second sliding groove 93 is opened on the inner wall of one side of the front of the bracket 6. The toothed plate 94 is slidably connected to the inner wall of the second sliding groove 93. The second motor 95 is fixedly disposed on the top end of the front of the bracket 6. The transmission shaft of the second motor 95 is fixedly connected to the gear 96. The gear 96 meshes with the toothed plate 94. A locking pin 97 is fixedly disposed on the bottom side of one side of the toothed plate 94 and engages with the pad 7.

[0028] The bracket 6 has several fixed cavities 11 inside, and each fixed cavity 11 has a sliding hole 12 at its top. Each sliding hole 12 has a pull rod 13 slidably connected to its inner wall. Each pull rod 13 has a pressure plate 14 fixed at its bottom end. Each pull rod 13 has a handwheel 15 fixed at its top end. Each handwheel 15 has a return spring 16 fixed at its bottom end. Each return spring 16 is fixedly connected to the bracket 6 at its bottom end. Each warning light 23 is fixedly installed on one side of the top of the bracket 6.

[0029] The inner wall of the top of the pad 7 has several handle grooves 20, the inner wall of the clamping plate 91 has a sleeve hole 21, the inner wall of the placement groove 10 is fixed with a guide rod 22, the guide rod 22 is slidably connected with the sleeve hole 21, the inside of the pad 7 is fixed with a weighing plate 24, and several warning lights 23 are electrically connected to the weighing plate 24. By placing the scalpel handles into the several handle grooves 20 respectively, and then inserting the clamping plate 91 into the inner wall of the clamping groove 92, the second motor 95 starts and drives the gear 96 to rotate clockwise, and the toothed plate 94 moves horizontally along the inner wall of the second sliding groove 93. When the locking pin 97 is inserted into the pad 7, several handwheels 15 are pulled to make several pull rods 13 slide along the inner wall of several sliding holes 12 respectively, and several return springs 16 contract and then return to their original positions to make several pressure plates 14 press and fix the multiple scalpel handles respectively.

[0030] As a further implementation of the above technical solution: a cylinder 25 is fixedly installed on one side of the upright plate 2, and an electric push rod 26 is fixedly connected to the piston rod of the cylinder 25. The push rod of the electric push rod 26 is fixedly connected to the bracket 6.

[0031] As a further implementation of the above technical solution: a control console 27 is fixedly provided on the surface of the workbench 1. The surface of the control console 27 is provided with a first motor switch, a second motor switch, a third motor switch, a cylinder switch and an electric push rod switch. The first motor 84, the second motor 95, the third motor 18, the cylinder 25 and the electric push rod 26 are electrically connected to the power supply through the first motor switch, the second motor switch, the third motor switch, the cylinder switch and the electric push rod switch respectively.

[0032] Working principle: When using this utility model, first place the scalpel handles into several handle grooves 20, then insert the retaining plate 91 into the inner wall of the retaining groove 92. At this time, the second motor 95 starts and drives the gear 96 to rotate clockwise, while the toothed plate 94 moves horizontally along the inner wall of the second sliding groove 93. When the retaining pin 97 is inserted into the pad 7, pull several handwheels 15 to make several pull rods 13 slide along the inner wall of several sliding holes 12. Several return springs 16 contract and then return to their original positions, causing several pressure plates 14 to press and fix several scalpel handles. Then, place the blades into the lower limit positions. Within several slots 5 of plate 4, the first motor 84 starts and drives the bidirectional lead screw 82 to rotate clockwise. After the bidirectional lead screw 82 engages with the two lead screw nuts 83, the two limiting plates 4 slide relative to each other along the inner wall of the first sliding groove 81, thereby clamping and fixing multiple blades by each pair of opposite slots 5. Then, the third motor 18 starts and drives the auxiliary shaft 17 to rotate, thereby tilting the flip plate 3 and multiple blades at a certain angle, so that the locking structure between the blades and the cutting tool is on the same horizontal plane. Then, the piston rod of the cylinder 25 and the push rod of the electric push rod 26 extend to make multiple blades... Each scalpel handle moves toward its corresponding blade. After multiple handles engage with multiple blades, the tension of the electric push rod 26 is adjusted to test the connection strength between the handles and blades. If a blade falls off, the weighing result of the weighing plate 24 changes, which in turn causes the warning light 23 above the point where the blade fell off to flash, reminding the staff to remove the substandard scalpel. The drive shaft of the first motor 84 rotates in reverse to separate the blade from the blade slots 5, and then the multiple scalpel sheaths are placed in the sheath slots 19. The third motor 18 starts, causing the flip plate 3 to rotate 180°. At this time, multiple scalpel sheaths face the end of the assembled scalpel. The piston rod of the cylinder 25 and the push rod of the electric push rod 26 can be repeatedly adjusted to complete the assembly of multiple scalpel sheaths, which facilitates the protection of the assembled scalpel and avoids the possibility of the scalpel blade cutting people. Finally, the second motor 95 rotates in reverse to separate the locking pin 97 from the pad 7, and then the sleeve hole 21 slides down the surface of the guide rod 22, so that the pad 7 containing multiple scalpels is stored in the placement slot 10.

[0033] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., 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 scalpel assembly device, comprising a worktable (1), characterized in that: A vertical plate (2) is fixedly provided on one side of the top of the workbench (1). A flip plate (3) is movably connected to the surface of the vertical plate (2). Two limiting plates (4) are movably connected to the inner wall of the flip plate (3). Several slots (5) are opened on the inner wall of one side of the two limiting plates (4). A bracket (6) is movably connected to one side of the front of the vertical plate (2). A pad (7) is engaged at the bottom of the bracket (6). A clamping assembly (8) is provided inside the flip plate (3). An installation assembly (9) is provided between the pad (7) and the bracket (6). A placement slot (10) is opened on the inner wall of the top of the workbench (1).

2. The scalpel assembly device according to claim 1, characterized in that: The clamping assembly (8) includes a first slide groove (81), a bidirectional lead screw (82), two lead screw nuts (83), and a first motor (84). The first slide groove (81) is opened on the inner wall of the flip plate (3). The first slide groove (81) is slidably connected to the two limiting plates (4). The bidirectional lead screw (82) is rotatably connected to the inside of the first slide groove (81) through a bearing. The two lead screw nuts (83) are respectively fixedly installed on the inner walls of the two limiting plates (4). The two lead screw nuts (83) are threadedly connected to the bidirectional lead screw (82). The first motor (84) is fixedly installed at the top of the flip plate (3). The drive shaft of the first motor (84) is fixedly connected to the top of the bidirectional lead screw (82).

3. The scalpel assembly device according to claim 2, characterized in that: The mounting assembly (9) includes a clamping plate (91), a clamping groove (92), a second sliding groove (93), a toothed plate (94), a second motor (95), a gear (96), and a locking pin (97). The clamping plate (91) is fixedly disposed on one side of the pad (7). The clamping groove (92) is opened on the inner wall of the bottom end of the front of the bracket (6). The clamping groove (92) matches the clamping plate (91). The second sliding groove (93) is opened on the inner wall of one side of the front of the bracket (6). The toothed plate (94) is slidably connected to the inner wall of the second sliding groove (93). The second motor (95) is fixedly disposed on the top end of the front of the bracket (6). The transmission shaft of the second motor (95) is fixedly connected to the gear (96). The gear (96) meshes with the toothed plate (94). A locking pin (97) is fixedly disposed on the bottom side of one side of the toothed plate (94). The locking pin (97) engages with the pad (7).

4. The scalpel assembly device according to claim 3, characterized in that: The bracket (6) has several fixed cavities (11) inside. Each fixed cavity (11) has a sliding hole (12) at its top. Each sliding hole (12) has a pull rod (13) slidably connected to its inner wall. Each pull rod (13) has a pressure plate (14) fixed at its bottom end. Each pull rod (13) has a handwheel (15) fixed at its top end. Each handwheel (15) has a return spring (16) fixed at its bottom end. Each return spring (16) is fixedly connected to the bracket (6) at its bottom end. Each bracket (6) has several warning lights (23) fixedly installed on one side of its top end.

5. A scalpel assembly device according to claim 3, characterized in that: The inner wall of the upright plate (2) is rotatably connected to an auxiliary shaft (17) via a bearing. One end of the auxiliary shaft (17) is fixedly connected to the flip plate (3). A third motor (18) is fixedly installed on one side of the back of the upright plate (2). The transmission shaft of the third motor (18) is fixedly connected to the auxiliary shaft (17). Sheath grooves (19) are opened on the inner wall of the other side of the two limiting plates (4).

6. The scalpel assembly device according to claim 4, characterized in that: The inner wall of the top of the pad (7) is provided with several handle grooves (20), the inner wall of the card plate (91) is provided with sleeve holes (21), the inner wall of the placement groove (10) is fixedly provided with a guide rod (22), the guide rod (22) is slidably connected to the sleeve hole (21), the inside of the pad (7) is fixedly provided with a weighing plate (24), and several warning lights (23) are electrically connected to the weighing plate (24).

7. A scalpel assembly device according to claim 5, characterized in that: A cylinder (25) is fixedly provided on one side of the upright plate (2), and an electric push rod (26) is fixedly connected to the piston rod of the cylinder (25). The push rod of the electric push rod (26) is fixedly connected to the bracket (6).

8. A scalpel assembly device according to claim 7, characterized in that: The workbench (1) is fixedly provided with a control console (27). The surface of the control console (27) is provided with a first motor switch, a second motor switch, a third motor switch, a cylinder switch and an electric push rod switch. The first motor (84), the second motor (95), the third motor (18), the cylinder (25) and the electric push rod (26) are electrically connected to the power supply through the first motor switch, the second motor switch, the third motor switch, the cylinder switch and the electric push rod switch respectively.