Positioning clamp for medical part machining

Abstract

The utility model relates to the technical field of medical part machining, in particular to a positioning clamp for medical part machining, which comprises a moving frame and a moving seat, and the top end of the moving frame is slidably connected with the moving seat. An output shaft of a second motor drives a screw rod to rotate, the screw rod drives a threaded block to move, the threaded block drives round blocks on the two sides to move, the round blocks slide along sliding grooves of a positioning frame, and meanwhile the round blocks drive round rods to rotate through the positioning frame, so that the angle of medical part machining raw materials at the top of the positioning frame is adjusted; when a second motor is controlled to drive a threaded block to move leftwards through a screw rod, a positioning frame drives a round rod to rotate clockwise along a supporting seat, and the second motor is turned off after the angle is adjusted to a proper angle, so that the angle of the medical part machining raw material is adjusted; and the situation that the inclination angle of the medical part raw material needs to be manually adjusted by a worker, and looseness or low machining precision is likely to happen is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of medical component processing, in particular to a positioning fixture for medical component processing. Background Art

[0002] Medical devices refer to a class of instruments, appliances, equipment and other related items used in the field of medical technology that act on the human body. Most precision medical devices need to go through multiple processing steps before they can be put into use. During the processing of precision medical devices, fixtures are usually used to clamp parts to prevent deviations during the processing.

[0003] For example, the fixture for precision medical device processing with the authorization announcement number CN218169550U, the above document can rotate the clamping adjustment component through the setting of the rotating adjustment component to adjust the direction of the precision medical device or its parts on the upper side, without having to disassemble it and manually change the side, which is very convenient to operate. Through the setting of the lateral adjustment component, the lateral position of the slide can be adjusted, thereby changing the position of the precision medical device or its parts on the upper side on the processing equipment, so that the processing equipment can be aligned with the part that needs to be processed, and positioning is more convenient. However, during the processing of the raw materials of medical parts by the positioning fixture in the above document, since the positioning fixture in the above document cannot adjust the angle of the raw materials of medical parts, in the processing process where the raw materials of medical parts need to be processed with an inclined groove, the staff needs to manually adjust the inclination angle of the raw materials of medical parts, and then position and clamp the raw materials of medical parts, which is easy to lead to poor fixing effect of the raw materials of medical parts, and at the same time, it is easy to have deviation in the inclination angle, thereby affecting the processing accuracy of the raw materials of medical parts, so that the practicality of the positioning fixture in the above document is low. Utility Model Content

[0004] The utility model aims to solve the problem that the angle of the raw material of the medical component cannot be adjusted, and proposes a positioning fixture for processing the medical component.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A positioning fixture for processing medical parts is designed, including a moving frame and a moving seat, the top of the moving frame is slidably connected to the moving seat, the right side of the bottom of the moving seat is slidably engaged with a lead screw, both sides of the lead screw are rotatably connected to the moving frame, the end of the lead screw is fixedly connected to the output shaft of a first motor, the middle part of the moving seat is rotatably connected to a support seat, the bottom of the support seat is fixedly connected to a first gear, a limiting structure is arranged on the right side of the moving seat, an adjusting structure is arranged on the top of the support seat, and the right side of the first gear is meshed with a second gear.

[0007] Preferably, the limiting structure includes a rotating rod, the bottom of the rotating rod is rotatably connected to the moving seat, the top of the rotating rod is rotatably connected to the support block, the bottom end of the inner wall of the rotating rod is fixedly connected to one end of the spring, the other end of the spring is fixedly connected to the T-rod, the outer wall of the T-rod is slidably connected to the key slot of the rotating rod, the middle part of the T-rod is fixedly connected to the second limiting assembly, the bottom end of the second limiting assembly is clamped with the first limiting assembly, and the bottom end of the first limiting assembly is fixedly connected to the support block.

[0008] Preferably, the outer wall of the rotating rod is fixedly connected to the second gear, and the bottom end of the supporting block is fixedly connected to the moving seat.

[0009] Preferably, the adjustment structure includes a round rod, both sides of the round rod are rotatably connected to the support seat, the middle part of the support seat is fixedly connected to the positioning frame, the bottom of the positioning frame is slidingly connected to the round blocks on both sides respectively, the inner ends of the round blocks are fixedly connected to the threaded blocks, the inner walls of the threaded blocks are threadably connected to the screw rod, the middle part of the positioning frame is fixedly connected to a plurality of arc blocks, and the outer walls of the arc blocks are slidably connected to the arc rod.

[0010] Preferably, both ends of the arc-shaped rod are fixedly connected to the support seat.

[0011] Preferably, both sides of the screw are rotatably connected to a support seat, and the right end of the screw is fixedly connected to an output shaft of the second motor.

[0012] Preferably, the top end of the positioning frame is fixedly connected to a plurality of positioning hydraulic cylinders, and the output end of the positioning hydraulic cylinder is fixedly connected to a positioning clamping plate.

[0013] The utility model proposes a positioning fixture for processing medical parts, which has the beneficial effects of: the output shaft of the second motor drives the screw to rotate, the screw drives the threaded block to move, the threaded block drives the round blocks on both sides to move along, and while the round blocks slide along the slide groove of the positioning frame, the round blocks drive the round rod to rotate through the positioning frame, thereby adjusting the angle of the medical component processing material on the top of the positioning frame; when the second motor is controlled to drive the threaded block to move to the left through the screw, the positioning frame drives the round rod to rotate clockwise along the support seat; when the second motor is controlled to drive the threaded block to move to the right through the screw, the positioning frame drives the round rod to move counterclockwise along the support seat; after adjusting to the appropriate angle, the second motor is turned off, thereby realizing the adjustment of the angle of the medical component processing material, avoiding the need for staff to manually adjust the inclination angle of the medical component material, which is prone to looseness or low processing accuracy, thereby improving the practicality of the positioning fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a schematic diagram of the connection relationship between the round rod, the positioning frame and the round block;

[0015] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 3 for Figure 2 The structural diagram of A in the figure;

[0017] Figure 4 It is a schematic diagram of the connection relationship between the T-bar, the support block and the first limiting assembly.

[0018] In the figure: 1, moving frame, 2, moving seat, 3, adjusting structure, 301, round rod, 302, positioning frame, 303, round block, 304, threaded block, 305, screw, 306, arc block, 307, arc rod, 4, limiting structure, 401, rotating rod, 402, spring, 403, T-bar, 404, supporting block, 405, first limiting assembly, 406, second limiting assembly, 5, lead screw, 6, first motor, 7, first gear, 8, second gear, 9, second motor, 10, positioning hydraulic cylinder, 11, positioning splint, 12, supporting seat. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] Embodiment 1:

[0021] See attached Figure 1-4 : In the present embodiment, a positioning fixture for processing medical parts includes a moving frame 1 and a moving seat 2. The top of the moving frame 1 is slidably connected to the moving seat 2, and the right side of the bottom of the moving seat 2 is slidably engaged with the lead screw 5. Both sides of the lead screw 5 are rotatably connected to the moving frame 1. A lead screw nut is processed on the right side of the bottom of the moving seat 2, and the lead screw nut is slidably engaged with the lead screw 5, so that the first motor 6 is started by controlling the external switch to rotate the lead screw 5, and the lead screw 5 drives the moving seat 2 to move along the moving frame 1. By controlling the rotation direction of the output shaft of the first motor 6, the front and rear positions of the raw materials of medical parts are adjusted. For the prior art, the authorization announcement number CN218169550U can be specifically referred to. The end of the lead screw 5 is fixedly connected to the output shaft of the first motor 6, the middle part of the moving seat 2 is rotatably connected to the support seat 12, and the bottom of the support seat 12 is fixedly connected to the first gear 7. A limiting structure 4 is arranged on the right side of the moving seat 2, and an adjustment structure 3 is arranged on the top of the support seat 12. The right side of the first gear 7 is meshed with the second gear 8.

[0022] The limiting structure 4 includes a rotating rod 401, the bottom of which is rotatably connected to the moving seat 2, and a first limiting component 405 and a second limiting component 406, which are respectively composed of a plurality of square blocks distributed in an annular manner at equal angles. The first limiting component 405 and the second limiting component 406 are staggered and engaged with each other, so as to limit the rotating rod 401 to prevent the second gear 8 from deflecting, thereby limiting the support seat 12, and preventing the vibration generated during the operation of the processing equipment during the processing of the raw materials of medical parts from causing the support seat 12 to deflect, thereby affecting the processing accuracy of the raw materials of medical parts;

[0023] When the user pulls the T-bar 403 upward, the T-bar 403 moves upward along the rotating rod 401, and at the same time drives the spring 402 to stretch, and the T-bar 403 drives the second limiting component 406 to release the clamping connection with the first limiting component 405, and then rotates the T-bar 403, the T-bar 403 drives the second gear 8 to rotate through the rotating rod 401, the second gear 8 drives the support seat 12 to rotate through the first gear 7, and the support seat 12 drives the limiting frame 302 to rotate, so that the medical component material fixed on the top is adjusted to a suitable position, and then the T-bar 403 is released, and the elastic force of the spring 402 drives the T-bar 403 to reset, so that the first limiting component 405 It is clamped with the second limit assembly 406, the top of the rotating rod 401 is rotatably connected to the support block 404, the bottom end of the inner wall of the rotating rod 401 is fixedly connected to one end of the spring 402, the other end of the spring 402 is fixedly connected to the T-bar 403, the outer wall of the T-bar 403 is slidably connected to the keyway of the rotating rod 401, the middle part of the T-bar 403 is fixedly connected to the second limit assembly 406, the bottom end of the second limit assembly 406 is clamped with the first limit assembly 405, the bottom end of the first limit assembly 405 is fixedly connected to the support block 404, the outer wall of the rotating rod 401 is fixedly connected to the second gear 8, and the bottom end of the support block 404 is fixedly connected to the moving seat 2.

[0024] The adjusting structure 3 includes a round rod 301, both sides of the round rod 301 are rotatably connected to the support seat 12, the middle part of the support seat is fixedly connected to the positioning frame, the bottom of the positioning frame 302 is slidably connected to the round blocks 303 on both sides, the inner ends of the round blocks 303 are fixedly connected to the threaded blocks 304, the model of the second motor 9 can be selected according to the actual use situation and the working state of the second motor 9 can be controlled by an external switch, the output shaft of the second motor 9 drives the screw 305 to rotate, wherein the top end of the threaded block 304 is in contact with the support seat 12, so that when the screw 305 rotates During the movement, the threaded block 304 is restricted by the support seat 12 so that the threaded block 304 will not deflect with the screw rod 305, and during the rotation of the screw rod 305, the threaded block 304 moves along the bottom end of the support seat 12, the screw rod 305 drives the threaded block 304 to move, and the threaded block 304 drives the round blocks 303 on both sides to move along, and while the round block 303 slides along the slide groove of the positioning frame 302, the round block 303 drives the round rod 301 to rotate through the positioning frame 302, thereby adjusting the angle of the medical component processing raw material on the top of the positioning frame 302;

[0025] When the second motor 9 is controlled to drive the threaded block 304 to move to the left through the screw 305, the positioning frame 302 drives the round rod 301 to rotate clockwise along the support seat 12. When the second motor 9 is controlled to drive the threaded block to move to the right through the screw 305, the positioning frame 302 drives the round rod 301 to move counterclockwise along the support seat. After adjusting to a suitable angle, the second motor 9 is turned off, the inner wall of the threaded block 304 is threadedly connected to the screw 305, the middle part of the positioning frame 302 is fixedly connected to a plurality of arc blocks 306, the outer wall of the arc block 306 is slidingly connected to the arc rod 307, the two ends of the arc rod 307 are fixedly connected to the support seat 12, the two sides of the screw 305 are rotatably connected to the support seat 12, the right end of the screw 305 is fixedly connected to the output shaft of the second motor 9, the top end of the positioning frame 302 is fixedly connected to a plurality of positioning hydraulic cylinders 10, and the output end of the positioning hydraulic cylinder 10 is fixedly connected to the positioning clamping plate 11.

[0026] Working principle:

[0027] When medical parts need to be processed, the positioning fixture is first fixed on the medical parts processing equipment through the mobile frame 1, and then the medical parts processing raw materials are placed on the positioning frame 302, and at the same time, the positioning hydraulic cylinder 10 is controlled to start and drive the positioning clamp 11 to move inward, so as to position and support the medical parts processing raw materials;

[0028] When it is necessary to process the inclined groove of the medical component processing material, the second motor 9 is controlled to start, and the output shaft of the second motor 9 drives the screw 305 to rotate, the screw 305 drives the threaded block 304 to move, and the threaded block 304 drives the round blocks 303 on both sides to move along, and the round block 303 slides along the slide groove of the positioning frame 302, while the round block 303 drives the round rod 301 to rotate through the positioning frame 302, so as to adjust the angle of the medical component processing material on the top of the positioning frame 302, when the second motor 9 is controlled to drive the threaded block 304 to move to the left through the screw 305, the positioning frame 302 drives the round rod 301 to rotate clockwise along the support seat 12, when the second motor 9 is controlled to drive the threaded block to move to the right through the screw 305, the positioning frame 302 drives the round rod 301 to move counterclockwise along the support seat, and the second motor 9 is turned off after adjusting to a suitable angle, so as to realize the adjustment of the angle of the medical component processing material, avoid the need for staff to manually adjust the inclination angle of the medical component material, which is easy to loosen or have low processing accuracy, thereby improving the practicality of the positioning fixture;

[0029] When the user pulls the T-bar 403 upward, the T-bar 403 moves upward along the rotating rod 401, while driving the spring 402 to stretch, and the T-bar 403 drives the second limiting component 406 to disengage from the first limiting component 405, and then rotates the T-bar 403, the T-bar 403 drives the second gear 8 to rotate through the rotating rod 401, the second gear 8 drives the support seat 12 to rotate through the first gear 7, and the support seat 12 drives the limiting frame 302 to rotate, so that the medical component raw material fixed on the top is adjusted to a suitable position, and then the T-bar 403 is released, and the elastic force of the spring 402 drives the T-bar 403 to reset, so that the first limiting component 405 and the second limiting component 406 are engaged, so as to limit the rotating rod 401 to prevent the second gear 8 from deflecting, thereby limiting the support seat 12, and preventing the vibration generated during the operation of the processing equipment during the processing of the medical component raw material from causing the support seat 12 to deflect, thereby affecting the processing accuracy of the medical component raw material.

[0030] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A positioning fixture for processing medical parts, comprising a movable frame (1) and a movable seat (2), wherein the top end of the movable frame (1) is slidably connected to the movable seat (2), and characterized in that: The right side of the bottom of the movable seat (2) is slidably engaged with the lead screw (5), the two sides of the lead screw (5) are rotatably connected to the movable frame (1), the end of the lead screw (5) is fixedly connected to the output shaft of the first motor (6), the middle of the movable seat (2) is rotatably connected to the support seat (12), the bottom of the support seat (12) is fixedly connected to the first gear (7), the right side of the movable seat (2) is provided with a limiting structure (4), the top of the support seat (12) is provided with an adjustment structure (3), the right side of the first gear (7) is meshed with the second gear (8), and the adjustment structure (3) The invention comprises a round rod (301), both sides of which are rotatably connected to a support seat (12), the middle part of which is fixedly connected to a positioning frame (302), the bottom of which is slidably connected to round blocks (303) on both sides, the inner ends of which are fixedly connected to threaded blocks (304), the inner walls of which are threadedly connected to a screw rod (305), the middle part of which is fixedly connected to a plurality of arc blocks (306), and the outer walls of which are slidably connected to an arc rod (307).

2. A positioning fixture for processing medical parts according to claim 1, characterized in that: The limiting structure (4) comprises a rotating rod (401), the bottom of the rotating rod (401) is rotatably connected to the movable seat (2), the top of the rotating rod (401) is rotatably connected to the support block (404), the bottom end of the inner wall of the rotating rod (401) is fixedly connected to one end of the spring (402), the other end of the spring (402) is fixedly connected to the T-shaped rod (403), the outer wall of the T-shaped rod (403) is slidably connected to the keyway of the rotating rod (401), the middle part of the T-shaped rod (403) is fixedly connected to the second limiting assembly (406), the bottom end of the second limiting assembly (406) is snap-connected to the first limiting assembly (405), and the bottom end of the first limiting assembly (405) is fixedly connected to the support block (404).

3. A positioning fixture for processing medical parts according to claim 2, characterized in that: The outer wall of the rotating rod (401) is fixedly connected to the second gear (8), and the bottom end of the supporting block (404) is fixedly connected to the moving seat (2).

4. A positioning fixture for processing medical parts according to claim 3, characterized in that: Both ends of the arc-shaped rod (307) are fixedly connected to the support seat (12).

5. A positioning fixture for processing medical parts according to claim 4, characterized in that: Both sides of the screw rod (305) are rotatably connected to the support seat (12), and the right end of the screw rod (305) is fixedly connected to the output shaft of the second motor (9).

6. A positioning fixture for processing medical parts according to claim 5, characterized in that: The top end of the positioning frame (302) is fixedly connected to a plurality of positioning hydraulic cylinders (10), and the output end of the positioning hydraulic cylinder (10) is fixedly connected to a positioning clamping plate (11).

Images