Turning device for production of cranio-maxillofacial bone screws

Abstract

The utility model discloses a turning device for production of cranio-maxillofacial bone screws, which comprises a table top, sliding rods are fixedly arranged on the upper end face of the table top and positioned on two sides, sliding blocks are slidably arranged on the sliding rods, an adjusting seat is fixedly arranged on the upper end faces of the sliding blocks, guide rods are fixedly arranged on the upper end face of the adjusting seat and positioned on two sides, and the guide rods are arranged on the upper end face of the table top and positioned on two sides of the table top. Guide rods are arranged on the table top, guide blocks are arranged on the guide rods in a sliding mode, tool aprons are fixedly arranged at the upper ends of the guide blocks, and mounting frames are arranged on one side face and located on the two sides of the table top, so that a user can rotate a first lead screw by controlling a motor, and at the moment, the first lead screw drives an adjusting base to move so as to transversely move a cutting tool; in addition, a hand wheel can be rotated to enable a second lead screw to drive a tool apron and a cutter at the upper end of the tool apron to move longitudinally, so that the cutting position of the tool apron is adjusted, raw materials for bone screws of different specifications can be turned conveniently, and flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe device technical field more specifically, it relates to a skull jaw face bone screw production lathe device. BACKGROUND

[0002] Skull jaw face bone screw is a kind of internal fixation device used in craniomaxillofacial surgery, mainly used for fixing fractured bone, bone piece or for the reconstruction of skeleton. The design and material selection of such screw are very critical to ensure the success of the operation and the rehabilitation of patients, and the screw is usually made of titanium alloy, with good biocompatibility and mechanical strength. Bone screw needs to use lathe device to carry out turning processing to raw material in the production process.

[0003] In a Chinese patent with publication number CN208262023U, a lathe device for producing a set screw is disclosed. In claim 1, it is stated that the lathe device for producing a set screw includes a base (1), characterized in that the lower end of the base (1) is provided with a support rod (2), and the upper end of the base (1) is connected with a cutting tool (4) through a connecting block (3). As described above, the cutting tool in the disclosed patent is fixedly installed on the upper end of the base. Therefore, the position of the cutting tool cannot be adjusted according to the raw materials of different diameters for producing bone screws, which makes the lathe device unsuitable for turning raw materials with a smaller diameter.

[0004] Furthermore, the lathe device does not have a structure for cleaning the raw materials of bone screws, which may affect the turning accuracy of the subsequent bone screws when impurities are present on the surface of the raw materials, thereby affecting the production quality of bone screws. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] In view of the problems existing in the prior art, the utility model provides a lathe device for producing skull jaw face bone screws to solve the technical problem that the cutting tool is fixedly installed on the upper end of the base, and therefore the position of the cutting tool cannot be adjusted according to the raw materials of different diameters for producing bone screws.

[0007] (II) Technical solution

[0008] To achieve the above object, the utility model provides the following technical scheme: A kind of turning device for craniofacial bone screw production, including desktop, the upper end surface of the desktop and located both sides are fixed with slide rod, the slide rod is slidably equipped with slide block, the upper end surface of the slide block is fixed with adjusting seat, the upper end surface of the adjusting seat and located both sides are fixed with guide rod, the guide rod is slidably equipped with guide block, the upper end of the guide block is fixed with tool holder, the side surface of the desktop and located both sides are equipped with mounting bracket, the first lead screw is rotatably arranged in the middle position of the mounting bracket, the lower end of the adjusting seat is fixed with extension plate, the inner wall of the extension plate is equipped with moving block, the first lead screw is threadedly connected with moving block, the upper end of the adjusting seat is rotatably equipped with second lead screw, the lower end of the tool holder is equipped with connecting block, the connecting block is threadedly connected with second lead screw, the upper end of the tool holder is equipped with cleaning mechanism.

[0009] The utility model further is provided with, the cleaning mechanism includes vertical board, the vertical board is equipped with feed inlet, the upper and lower sides of the feed inlet and located the outer wall of vertical board are fixed with strip block, the strip block is slidably equipped with sliding rod, the one end of the sliding rod is fixed with mounting block, the mounting block is equipped with arc clamping block, the inner wall of the arc clamping block is fixed with cleaning brush, and it is convenient to clean raw material for processing bone screw.

[0010] The utility model further is provided with, the upper end surface of the mounting block and located both sides are fixed with connecting spring, the other end of the connecting spring is fixedly connected with the inner wall of strip block, so as to make cleaning brush contact with the outer wall of raw material.

[0011] The utility model further is provided with, the upper end surface of the tool holder is fixed with support frame, the upper end surface of the support frame is equipped with electric push rod, the inside of the support frame is slidably equipped with lifting block, the output of the electric push rod is fixedly connected with lifting block, the outer wall of the lifting block is equipped with cutting tool, and it is convenient to adjust the height position of cutting tool.

[0012] The utility model further is provided with, the one end of the first lead screw and located the outer wall of mounting bracket is equipped with motor, the one end of the second lead screw passes through adjusting seat and is equipped with hand wheel, so as to be moved to adjusting plate and tool holder.

[0013] The utility model further is provided with, the upper end surface of the desktop and located the side of slide rod is equipped with casing, the inside of the casing is provided with rotating shaft, the one end of the rotating shaft is equipped with clamping assembly, so as to clamp and fix raw material.

[0014] The utility model further is provided with, the lower end of the desktop is equipped with support base, so as to support the device.

[0015] The utility model further provides for, the upper end of support base is equipped with transmission assembly, transmission assembly is connected with the other end of rotating shaft, it is convenient to make clamping assembly rotate.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a kind of turning device for craniofacial bone screw production, with following beneficial effects:

[0018] 1, by setting adjusting seat, tool holder, first screw rod and second screw rod, so that user can rotate first screw rod by controlling motor, first screw rod will drive adjusting seat to move on slide rod to move cutting tool horizontally, can also rotate hand wheel to make second screw rod drive tool holder and cutting tool on its upper end to move longitudinally to adjust its cutting position, to facilitate the turning processing of bone screw raw material of different length and thickness, increase flexibility.

[0019] 2, by setting vertical plate, feed inlet and arc clamping block, so that by setting cleaning brush on the front of tool holder, can make raw material on clamping assembly pass through feed inlet and be located in the middle position of two arc clamping blocks, now connecting spring will give the outward thrust of mounting block, to make cleaning brush always contact with the outer wall of raw material, to clean the surface of raw material while adjusting seat moves, to prevent impurities from affecting subsequent cutting work, increase the production quality of bone screw.

[0020] 3, by setting support frame, electric push rod and lifting block, so that user can control electric push rod to drive lifting block to move on its output end to adjust the processing height of cutting tool, to facilitate cutting operation on different positions of raw material, and the structure can also flexibly adjust cutting tool according to the diameter of raw material, increase practicability. DRAWINGS

[0021] Figure 1 It is a kind of craniofacial bone screw production turning device whole schematic view under unused state;

[0022] Figure 2 It is the installation position schematic view of extension plate internal moving block and first screw rod;

[0023] Figure 3 It is the installation position schematic view of tool holder lower end connecting block and second screw rod;

[0024] Figure 4 It is the installation schematic view of support frame upper electric push rod, lifting block and cutting tool;

[0025] Figure 5It is the installation schematic view of feeding port on the vertical plate, arc clamping block, cleaning brush and connecting spring.

[0026] In the figure: 1, desktop; 2, slide bar; 3, sliding block; 4, adjusting seat; 5, guide rod; 6, guide block; 7, tool holder; 8, mounting bracket; 9, first lead screw; 10, extension plate; 11, moving block; 12, second lead screw; 13, connecting block; 14, vertical plate; 15, feeding port; 16, strip block; 17, sliding rod; 18, mounting block; 19, arc clamping block; 20, cleaning brush; 21, connecting spring; 22, support frame; 23, electric push rod; 24, lifting block; 25, cutting tool; 26, motor; 27, hand wheel; 28, machine shell; 29, clamping assembly; 30, support seat; 31, transmission assembly. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0029] In the present application, unless otherwise stated, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0030] Please refer to Figures 1-5 A kind of turning device for craniofacial bone screw production, including desktop 1, the upper end surface of desktop 1 and located both sides are fixed with slide bar 2, slide bar 2 are all slidably equipped with sliding block 3, the upper end surface of sliding block 3 is fixed with adjusting seat 4, the upper end surface of adjusting seat 4 and located both sides are fixed with guide rod 5, guide rod 5 are all slidably equipped with guide block 6, the upper end of guide block 6 is fixed with tool holder 7, the side surface of desktop 1 and located both sides are equipped with mounting bracket 8, the middle position of mounting bracket 8 is rotatably equipped with first lead screw 9, the lower end of adjusting seat 4 is fixed with extension plate 10, the inner wall of extension plate 10 is equipped with moving block 11, first lead screw 9 is threadedly connected with moving block 11, the upper end of adjusting seat 4 is rotatably equipped with second lead screw 12, the lower end of tool holder 7 is equipped with connecting block 13, connecting block 13 is threadedly connected with second lead screw 12, cleaning mechanism is arranged on the upper end of tool holder 7, the end of first lead screw 9 and located the outer wall of mounting bracket 8 is equipped with motor 26, the end of second lead screw 12 passes through adjusting seat 4 and is equipped with hand wheel 27.

[0031] In the embodiment, the cleaning mechanism comprises a vertical plate 14, an inlet 15 is formed in the vertical plate 14, strip blocks 16 are fixedly arranged on the upper and lower sides of the inlet 15 and on the outer wall of the vertical plate 14, sliding rods 17 are slidably arranged on the strip blocks 16, mounting blocks 18 are fixedly arranged at one end of the sliding rods 17, arc-shaped clamping blocks 19 are arranged on the mounting blocks 18, cleaning brushes 20 are fixedly arranged on the inner wall of the arc-shaped clamping blocks 19, connecting springs 21 are fixedly arranged on the upper end surface of the mounting blocks 18 and on both sides, and the other ends of the connecting springs 21 are fixedly connected with the inner wall of the strip blocks 16.

[0032] More specifically, the user can control the motor 26 to rotate the first lead screw 9, at this time the first lead screw 9 will drive the adjusting seat 4 to move on the sliding rod 2, to move the cutting tool 25 horizontally, and can also rotate the hand wheel 27 to drive the second lead screw 12 to drive the tool holder 7 and the cutting tool 25 on the upper end to move vertically, to adjust the cutting position, thereby facilitating the turning processing of the bone screw raw material of different lengths and thicknesses, and the raw material on the clamping assembly 29 can pass through the inlet 15 and be located in the middle position between the two arc-shaped clamping blocks 19 before processing, at this time the connecting springs 21 will give the mounting blocks 18 an outward pushing force, so that the cleaning brushes 20 are always in contact with the outer wall of the raw material, thereby cleaning the surface of the raw material while moving the adjusting seat 4, to prevent impurities from affecting the subsequent cutting work, and increase the production quality of the bone screw.

[0033] Please refer to Figure 1 and Figure 4 as an embodiment of adjusting the position of the cutting tool 25: the upper end surface of the tool holder 7 is fixedly provided with a support frame 22, the upper end surface of the support frame 22 is provided with an electric push rod 23, the inside of the support frame 22 is slidably provided with a lifting block 24, the output end of the electric push rod 23 is fixedly connected with the lifting block 24, and the outer wall of the lifting block 24 is provided with the cutting tool 25.

[0034] Specifically, the user can control the electric push rod 23 to drive the lifting block 24 to move through the output end, to adjust the processing height of the cutting tool 25, to facilitate the cutting operation on different positions of the raw material, and at the same time, through this structure, the cutting tool 25 can also be flexibly adjusted according to the diameter of the raw material, increasing the practicability.

[0035] Please refer to Figure 1 as a further embodiment of rotating the raw material for processing the bone screw: the upper end surface of the desktop 1 and on one side of the sliding rod 2 is provided with a machine shell 28, the inside of the machine shell 28 is provided with a rotating shaft, one end of the rotating shaft is provided with a clamping assembly 29, the lower end of the desktop 1 is provided with a support seat 30, the upper end of the support seat 30 is provided with a transmission assembly 31, and the transmission assembly 31 is connected with the other end of the rotating shaft.

[0036] Specifically, the user can control the transmission assembly 31 to rotate the clamping assembly 29, so that the raw material is in contact with the cutting tool 25 while rotating, realizing the turning effect.

[0037] In summary, when the whole device is in use: the user can first fix the raw material for processing bone screws through the clamping assembly 29, and then open the control transmission assembly 31 to make the raw material rotate, and at the same time control the motor 26 to make the first lead screw 9 rotate, at this time the first lead screw 9 will drive the adjusting seat 4 to move on the slide rod 2, to move the cutting tool 25 horizontally, when the cutting tool 25 contacts the raw material, the turning operation can be realized, and before cutting, the user can also rotate the hand wheel 27 to make the second lead screw 12 drive the knife seat 7 and the cutting tool 25 on its upper end to move longitudinally, to adjust the cutting position, thereby facilitating the turning processing of bone screw raw materials of different roughness, and at the same time of cutting, the connecting spring 21 will give the mounting block 18 outward thrust, so that the cleaning brush 20 is always in contact with the outer wall of the raw material, thereby cleaning the surface of the raw material while moving the adjusting seat 4, to prevent impurities from affecting the subsequent cutting work, the user can also control the electric push rod 23 to drive the lifting block 24 to move, to adjust the processing height of the cutting tool 25, to facilitate cutting operation on different positions of the raw material, and at the same time, through this structure, the cutting tool 25 can also be flexibly adjusted according to the diameter of the raw material, increasing the practicability.

[0038] In all the above-mentioned schemes, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection methods, which will not be repeated here. In the above, whenever it involves fixed connection, welding is preferred, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A turning device for the production of craniofacial bone screws, comprising a table top (1), characterised in that: The upper end surface of the desktop (1) is provided with a slide rod (2) on both sides, the slide rod (2) is slidably provided with a sliding block (3), the upper end surface of the sliding block (3) is fixedly provided with an adjusting seat (4), the upper end surface of the adjusting seat (4) is fixedly provided with a guide rod (5) on both sides, the guide rod (5) is slidably provided with a guide block (6), the upper end of the guide block (6) is fixedly provided with a tool holder (7), one side of the desktop (1) is provided with a mounting frame (8) on both sides, the mounting frame (8) is rotatably provided with a first lead screw (9) at the middle position, the lower end of the adjusting seat (4) is fixedly provided with an extension plate (10), the inner wall of the extension plate (10) is provided with a moving block (11), the first lead screw (9) is threadedly connected with the moving block (11), the upper end of the adjusting seat (4) is rotatably provided with a second lead screw (12), the lower end of the tool holder (7) is provided with a connecting block (13), the connecting block (13) is threadedly connected with the second lead screw (12), and the upper end of the tool holder (7) is provided with a cleaning mechanism.

2. The turning device for producing a craniofacial bone screw according to claim 1, characterized in that: The cleaning mechanism comprises a vertical plate (14), the vertical plate (14) is provided with an inlet (15), strip blocks (16) are fixedly arranged on the outer wall of the vertical plate (14) on the upper side and the lower side of the inlet (15), sliding rods (17) are slidably arranged on the strip blocks (16), mounting blocks (18) are fixedly arranged on one end of the sliding rods (17), arc-shaped clamping blocks (19) are arranged on the mounting blocks (18), and cleaning brushes (20) are fixedly arranged on the inner wall of the arc-shaped clamping blocks (19).

3. The turning device for producing a craniofacial bone screw according to claim 2, characterized in that: The upper end surface of the mounting block (18) is fixedly provided with a connecting spring (21) on both sides, and the other end of the connecting spring (21) is fixedly connected with the inner wall of the strip block (16).

4. The device according to claim 1, wherein: the device is characterized by: The upper end surface of the tool holder (7) is fixedly provided with a support frame (22), the upper end surface of the support frame (22) is provided with an electric push rod (23), the inside of the support frame (22) is slidably provided with a lifting block (24), the output end of the electric push rod (23) is fixedly connected with the lifting block (24), and the outer wall of the lifting block (24) is provided with a cutting tool (25).

5. The turning device for producing craniofacial bone screws according to claim 1, characterized in that: One end of the first lead screw (9) is provided with a motor (26) on the outer wall of the mounting frame (8), and one end of the second lead screw (12) penetrates through the adjusting seat (4) and is provided with a hand wheel (27).

6. The device according to claim 1, wherein: the device is characterized by: The upper end surface of the desktop (1) is provided with a machine shell (28) on one side of the slide rod (2), the inside of the machine shell (28) is provided with a rotating shaft, and one end of the rotating shaft is provided with a clamping assembly (29).

7. The device according to claim 6, characterized in that it comprises: The lower end of the desktop (1) is provided with a support seat (30).

8. The device according to claim 7, characterized in that it comprises: The upper end of the support seat (30) is provided with a transmission assembly (31), and the other end of the rotating shaft is connected with the transmission assembly (31).

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