Positioning clamp device for drilling of precision parts of medical instruments

Abstract

The utility model relates to the technical field of medical instrument production equipment, in particular to a positioning clamp device for drilling of precise parts of medical instruments, which comprises a bottom plate and a shell mounted on the bottom plate, a first sliding groove is formed in the side face of the inner wall of the shell, and a clamping assembly is arranged in an inner cavity of the shell. The clamping assembly comprises a first mounting block, a gear disc is arranged on the side face of the first mounting block, supporting rods are arranged on the side, away from the first mounting block, of the gear disc, the number of the supporting rods is four, and the four supporting rods are oppositely arranged on the side face of the gear disc correspondingly. A flexible chuck and a fixing plate are arranged at the end, away from the gear disc, of the supporting rod, a third sliding groove is formed in the side face of the fixing plate, and the end, away from the gear disc, of the supporting rod extends to an inner cavity of the third sliding groove and is in sliding connection with the inner cavity of the third sliding groove. And the gear disc can be supported by arranging the first mounting block.

Description

Technical Field

[0001] The utility model relates to the technical field of medical device production equipment, in particular to a positioning fixture device for drilling holes in precision parts of medical devices. Background Art

[0002] The positioning fixture device for drilling precision parts of medical devices is a specially designed device used to fix and position the workpiece to ensure accuracy and stability during the drilling process. This fixture device is usually made of high-quality materials to ensure that the workpiece is firmly clamped and accurately positioned.

[0003] For example, the patent specification of the existing Chinese patent announcement number: CN216298044U discloses a positioning fixture for drilling holes in precision parts of medical devices, which belongs to the technical field of medical device production equipment, including a box body and a drilling device, the inner cavity of the box body is provided with a fixing mechanism, a support plate is welded on the back of the top of the box body, an adjustment box is bolted to the front of the support plate, the inner cavity of the adjustment box is provided with an adjustment mechanism, and a fixing block is bolted to one side of the box body.

[0004] However, in the implementation of relevant technologies, it was found that the positioning fixture device for drilling holes in precision parts of medical devices designed above has the following problems: when drilling holes in medical pipe parts, due to their shape, uneven force during clamping may cause the pipe to move or shake during the drilling process, affecting the quality and accuracy of the hole. In view of this, a positioning fixture device for drilling holes in precision parts of medical devices is provided to overcome the above-mentioned defects. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a positioning fixture device for drilling holes in precision parts of medical equipment.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a positioning fixture device for drilling precision parts of medical equipment, comprising a base plate and a shell mounted on the base plate, a first slide groove is provided on the side of the inner wall of the shell, and a clamping assembly is provided in the inner cavity of the shell;

[0007] The clamping assembly includes a first mounting block, a gear plate is arranged on the side of the first mounting block, a support rod is arranged on the side of the gear plate away from the first mounting block, the number of the support rods is four, and the four support rods are respectively and oppositely arranged on the sides of the gear plate, a flexible clamp and a fixing plate are arranged at one end of the support rod away from the gear plate, a third slide groove is opened on the side of the fixing plate, and the end of the support rod away from the gear plate extends to the inner cavity of the third slide groove and is slidably connected to the inner cavity of the third slide groove.

[0008] As a preferred embodiment, an adjustment assembly is provided on the outer side of the shell, and the adjustment assembly includes a crank, one end of the crank is fixedly connected to a first connecting rod, and the end of the first connecting rod away from the crank passes through the shell and is rotatably connected to the inner wall of the shell through a bearing.

[0009] The beneficial effect of adopting the above further solution is that threads with opposite rotation directions are respectively provided at both ends of the first connecting rod, and the effect of rotating the supporting component can be achieved by rotating the adjusting component.

[0010] As a preferred embodiment, a support assembly is threadedly sleeved on the surface of the first connecting rod, and the support assembly includes a sleeve. The number of the sleeves is two, and the two sleeves are respectively arranged at both ends of the first connecting rod, a first support plate is arranged on the top of the sleeve, and a second support plate is arranged on the inner wall of the outer shell.

[0011] The beneficial effect of adopting the above further scheme is: by arranging sleeves at both ends of the first connecting rod, the support assembly can be driven to move along the thread toward the middle of the first connecting rod when the adjusting assembly rotates forward, and similarly, when the adjusting assembly reverses, the support assembly can be driven to move outward.

[0012] As a preferred embodiment, a slider is provided on the side of the sleeve, and the slider extends to the inner cavity of the first slide groove away from one end of the sleeve and is slidably connected to the inner cavity of the first slide groove. A second slide groove is opened on the side of the first support plate, and the second support plate extends to the inner cavity of the second slide groove away from one end of the shell and is slidably connected to the inner cavity of the second slide groove.

[0013] The beneficial effect of adopting the above further scheme is: by arranging a slider on the side of the sleeve, the slider cooperates with the first slide groove, so that the sleeve can be limited when it moves toward the middle of the first connecting rod, and the clamping assembly can be supported by arranging a second support plate.

[0014] As a preferred embodiment, an elastic component is provided on the side of the gear plate, and the elastic component includes a second mounting block, one side of the second mounting block is fixedly connected to the side of the gear plate, the side of the second mounting block away from the gear plate is rotatably connected to the side of the flexible chuck through a bearing, and a spring is provided on the side of the inner wall of the second mounting block.

[0015] The beneficial effect of adopting the above further solution is that the flexible clamp can be supported by providing the second mounting block, and the top of the medical tube can be fixed when clamping the medical tube by providing the spring.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. Compared with the traditional method, the utility model can support the gear plate by providing a first mounting block, and the inner cavity of the first mounting block is provided with a motor, and the output shaft of the motor is rotated to drive the gear plate to rotate, and when the gear plate rotates, the flexible chuck can be driven to rotate through the support rod, and a third sliding groove is provided on the surface of the fixed plate to limit the support rod when it rotates, thereby driving the flexible chuck to converge to the middle of the fixed plate.

[0018] 2. Compared with the traditional method, the utility model is capable of driving the supporting assembly to rotate by providing an adjusting assembly, and threads with opposite rotation directions are respectively provided at both ends of the first connecting rod. By providing sleeves at both ends of the first connecting rod, the supporting assembly can be driven to move along the threads toward the middle of the first connecting rod when the adjusting assembly rotates forward. Similarly, when the adjusting assembly is reversed, the supporting assembly can be driven to move outward. By providing a slider on the side of the sleeve, the slider cooperates with the first slide groove, so that the sleeve can be limited when it moves toward the middle of the first connecting rod. By providing a second support plate, the clamping assembly can be supported. By providing a second mounting block, the flexible chuck can be supported. By providing a spring, the top of the medical tube can be fixed when clamping it. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the internal three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the external three-dimensional structure of the utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the adjustment component of the utility model;

[0022] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the clamping assembly of the utility model;

[0023] Figure 5 It is a schematic diagram of the three-dimensional cross-sectional structure of the elastic component of the utility model.

[0024] Numbers in the figure:

[0025] 1. Base plate; 2. Shell; 21. First slide groove; 3. Adjustment assembly; 31. Crank; 32. First connecting rod; 4. Support assembly; 41. Sleeve; 42. First support plate; 43. Second support plate; 44. Second slide groove; 45. Slider; 5. Clamping assembly; 51. First mounting block; 52. Gear plate; 53. Support rod; 54. Flexible chuck; 55. Fixed plate; 56. Third slide groove; 6. Elastic assembly; 61. Second mounting block; 62. Spring; 7. Linkage assembly; 71. Second connecting rod; 72. Gear rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1 , Figure 4 As shown, this embodiment provides a technical solution: a positioning fixture device for drilling precision parts of medical devices, comprising a base plate 1, and a shell 2 mounted on the base plate 1, a first slide groove 21 is provided on the side of the inner wall of the shell 2, and a clamping assembly 5 is provided in the inner cavity of the shell 2;

[0028] The clamping assembly 5 includes a first mounting block 51, a gear plate 52 is arranged on the side of the first mounting block 51, a support rod 53 is arranged on the side of the gear plate 52 away from the first mounting block 51, the number of the support rods 53 is four, and the four support rods 53 are respectively arranged on the side of the gear plate 52 opposite to each other, a flexible clamp 54 and a fixing plate 55 are arranged on the end of the support rod 53 away from the gear plate 52, a third slide groove 56 is opened on the side of the fixing plate 55, the end of the support rod 53 away from the gear plate 52 extends to the inner cavity of the third slide groove 56, and is slidably connected with the inner cavity of the third slide groove 56, and is provided A first mounting block 51 is provided to support the gear plate 52. A motor is provided in the inner cavity of the first mounting block 51. The inner cavity of the first mounting block 51 is provided with a motor. The output shaft of the motor rotates to drive the gear plate 52 to rotate. When the gear plate 52 rotates, the support rod 53 can drive the flexible clamp 54 to rotate. A third slide groove 56 is provided on the surface of the fixed plate 55. When the support rod 53 rotates, the support rod 53 and the third slide groove 56 cooperate to limit it, thereby driving the flexible clamp 54 to converge to the middle of the fixed plate 55, so as to adapt to medical tube parts of different sizes at both ends.

[0029] Furthermore, Figure 1 - Figure 3As shown: an adjustment component 3 is arranged on the outer side of the shell 2, and the adjustment component 3 includes a crank 31, one end of the crank 31 is fixedly connected to a first connecting rod 32, the end of the first connecting rod 32 away from the crank 31 penetrates the shell 2 and is rotatably connected to the inner wall of the shell 2 through a bearing, a support component 4 is threadedly sleeved on the surface of the first connecting rod 32, and the support component 4 includes a sleeve 41, the number of the sleeves 41 is two, and the two sleeves 41 are respectively arranged at both ends of the first connecting rod 32, a first support plate 42 is arranged on the top of the sleeve 41, and a second support plate 43 is arranged on the inner wall of the shell 2, and a slider 45 is arranged on the side of the sleeve 41, and the slider 45 extends from the end away from the sleeve 41. The first support plate 42 extends to the inner cavity of the first slide groove 21 and is slidably connected with the inner cavity of the first slide groove 21. The side of the first support plate 42 is provided with a second slide groove 44. The second support plate 43 is away from one end of the shell 2 and extends to the inner cavity of the second slide groove 44 and is slidably connected with the inner cavity of the second slide groove 44. The side of the gear plate 52 is provided with an elastic component 6, and the elastic component 6 includes a second mounting block 61. The side of the inner wall of the second mounting block 61 is provided with a spring 62. The side of the inner wall of the shell 2 is provided with a linkage component 7, and the linkage component 7 includes a second connecting rod 71. One end of the second connecting rod 71 is rotatably connected to the side of the shell 2 through a bearing, and the other end of the second connecting rod 71 is fixedly connected to a gear rod 72.

[0030] The above solutions still have the problem of not being able to adapt to medical tubes of different lengths. Figure 1-3As shown: an adjustment component 3 is provided on the outer side of the shell 2, and the adjustment component 3 includes a crank 31, one end of the crank 31 is fixedly connected to a first connecting rod 32, the end of the first connecting rod 32 away from the crank 31 passes through the shell 2 and is rotatably connected to the inner wall of the shell 2 through a bearing, a support component 4 is threadedly sleeved on the surface of the first connecting rod 32, and the support component 4 includes a sleeve 41, the number of the sleeves 41 is two, and the two sleeves 41 are respectively arranged at both ends of the first connecting rod 32, a first support plate 42 is provided on the top of the sleeve 41, and a second support plate 43 is provided on the inner wall of the shell 2, a slider 45 is provided on the side of the sleeve 41, and the slider 45 extends to the inner cavity of the first slide groove 21 away from the end of the sleeve 41, and The first support plate 42 is slidably connected to the inner cavity of the first slide groove 21, and a second slide groove 44 is provided on the side of the first support plate 42. The second support plate 43 is away from one end of the shell 2 and extends to the inner cavity of the second slide groove 44, and is slidably connected to the inner cavity of the second slide groove 44. The surfaces of the first connecting rod 32 are respectively provided with threads in opposite directions, and the sleeve 41 is threadedly sleeved with the first connecting rod 32. A slider 45 is provided on the side of the first support plate 42. The inner wall of the shell 2 is provided with a first slide groove 21, and when the crank 31 is turned, the sleeve 41 can be driven to move toward the middle of the first connecting rod 32. When the sleeve 41 moves toward the middle, the slider 45 cooperates with the first slide groove 21, so that the movement trajectory of the sleeve 41 can be limited, and then it can adapt to clamping of medical tubes of different lengths.

[0031] The above solutions also have the problem that when the medical tube is clamped, the force is uneven, causing the tube to move or shake, thereby affecting the accuracy of the punching. Figure 5 As shown: an elastic component 6 is provided on the side of the gear plate 52, and the elastic component 6 includes a second mounting block 61, one side of the second mounting block 61 is fixedly connected to the side of the gear plate 52, and the side of the second mounting block 61 away from the gear plate 52 is rotatably connected to the side of the flexible clamp 54 through a bearing, and a spring 62 is provided on the side of the inner wall of the second mounting block 61, and a linkage component 7 is provided on the side of the inner wall of the housing 2, and the linkage component 7 includes a second connecting rod 71, and one end of the second connecting rod 71 is connected to the side of the housing 2 through an axis The second connecting rod 71 is rotatably connected, and the other end of the second connecting rod 71 is fixedly connected to a gear rod 72. The inner cavity of the second mounting block 61 is provided with a spring 62, which can protect the two ends of the clamping parts when adjusting the clamping tool. One end of the second connecting rod 71 is rotatably connected to the inner wall of the outer shell 2, and the other end of the second connecting rod 71 is fixedly connected to the gear rod 72. The gear rod 72 meshes with the surface of the gear plate 52. When the gear plate 52 rotates, the two gear plates 52 can be rotated synchronously through the gear rod 72, thereby preventing the pipe from shaking or moving due to uneven force during clamping.

[0032] Working principle:

[0033] like Figure 1-5 As shown, when in use, firstly, the crank 31 is rotated to drive the first connecting rod 32 to rotate, and when the first connecting rod 32 rotates, the sleeve 41 can be driven to rotate, and then the sleeve 41 can be driven to move toward the middle of the first connecting rod 32, and the medical tube parts to be processed are placed in the inner cavity of the clamping assembly 5, and the two ends of the tube can be fixed to the inner cavity of the clamping assembly 5 through the elastic assembly 6, and the motor is started. The output shaft of the motor rotates forward to drive the gear plate 52 to rotate, and when the gear plate 52 rotates, the support rod 53 can drive the flexible clamp 54 to rotate, and the flexible clamp 54 can fix the two ends of the medical tube parts when it rotates.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture device for drilling a medical device precision component, comprising a base plate (1) and a housing (2) mounted on the base plate (1), characterized in that: A first sliding groove (21) is provided on the side of the inner wall of the shell (2), and a clamping assembly (5) is provided in the inner cavity of the shell (2); The clamping assembly (5) comprises a first mounting block (51), a gear plate (52) is arranged on the side of the first mounting block (51), a support rod (53) is arranged on the side of the gear plate (52) away from the first mounting block (51), the number of the support rods (53) is four, and the four support rods (53) are respectively arranged on the side of the gear plate (52) opposite to each other, a flexible clamp (54) and a fixing plate (55) are arranged on the end of the support rod (53) away from the gear plate (52), a third slide groove (56) is opened on the side of the fixing plate (55), and the end of the support rod (53) away from the gear plate (52) extends to the inner cavity of the third slide groove (56) and is slidably connected to the inner cavity of the third slide groove (56).

2. A positioning fixture device for drilling holes in precision parts of medical devices according to claim 1, characterized in that: An adjustment component (3) is arranged on the outer side of the shell (2), and the adjustment component (3) includes a crank (31), one end of the crank (31) is fixedly connected to a first connecting rod (32), and the end of the first connecting rod (32) away from the crank (31) passes through the shell (2) and is rotatably connected to the inner wall of the shell (2) via a bearing.

3. A positioning fixture device for drilling holes in precision parts of medical devices according to claim 2, characterized in that: A support assembly (4) is threadedly sleeved on the surface of the first connecting rod (32), and the support assembly (4) includes a sleeve (41). The number of the sleeves (41) is two, and the two sleeves (41) are respectively arranged at the two ends of the first connecting rod (32), and a first support plate (42) is arranged on the top of the sleeve (41), and a second support plate (43) is arranged on the inner wall of the outer shell (2).

4. A positioning fixture device for drilling holes in precision parts of medical devices according to claim 3, characterized in that: A slider (45) is provided on the side of the sleeve (41), and the slider (45) extends to the inner cavity of the first slide groove (21) at one end away from the sleeve (41), and is slidably connected to the inner cavity of the first slide groove (21). A second slide groove (44) is provided on the side of the first support plate (42), and the second support plate (43) extends to the inner cavity of the second slide groove (44) at one end away from the shell (2), and is slidably connected to the inner cavity of the second slide groove (44).

5. A positioning fixture device for drilling holes in precision parts of medical devices according to claim 1, characterized in that: An elastic component (6) is arranged on the side of the gear plate (52), and the elastic component (6) includes a second mounting block (61), one side of the second mounting block (61) is fixedly connected to the side of the gear plate (52), and the side of the second mounting block (61) away from the gear plate (52) is rotatably connected to the side of the flexible clamp (54) via a bearing, and a spring (62) is arranged on the side of the inner wall of the second mounting block (61).

6. A positioning fixture device for drilling holes in precision parts of medical devices according to claim 1, characterized in that: A linkage assembly (7) is provided on the side of the inner wall of the outer shell (2), and the linkage assembly (7) comprises a second connecting rod (71), one end of the second connecting rod (71) is rotatably connected to the side of the outer shell (2) via a bearing, and the other end of the second connecting rod (71) is fixedly connected to a gear rod (72).

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