A detection device and method for bone plate processing
By designing detection equipment for bone plates, the unified and safety improvement of multiple mechanical properties detection is achieved, the problems of diversified detection equipment and unstable clamping in the prior art are solved, and an integrated detection solution is provided.
Patent Information
- Application Number
- CN202410903222.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2044-07-08
AI Technical Summary
In the prior art, when testing the mechanical properties of bone plates, different equipment is required to conduct different types of testing, which causes inconvenience to the staff, and the clamping method depends on friction, which may lead to mechanical compression.
A detection device including a detection box, a digital display control panel, a clamping head, a rotary drive assembly and a salt spray test detection assembly are designed to achieve tensile and compressive resistance to the bone plate through the clamping drive assembly and the rotary drive assembly. Integrated detection of anti-bending, anti-torsion and salt spray tests, the clamping structure uses insert columns and anti-slip press pads to enhance stability and safety.
The unified detection of multiple mechanical properties of the docking bone plate is achieved. The clamping structure improves stability and safety through the insert column and anti-slip press pad, avoids mechanical compression, and effectively manages salt mist through the salt mist test detection component. environment.
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Figure CN118443427B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of material property determination, and in particular to a detection device and method for bone plate processing. Background Art
[0002] Bone plates are perforated plate-shaped internal fixation devices for fractures. They are often used in conjunction with bone screws or bone wires in clinical practice and are divided into two categories: ordinary plates and compression plates. They can be made into strips, Y-shaped, L-shaped, T-shaped, etc. according to different uses. Bone plates can fix fractures or bone defects to enable bones to heal and restore their original functions. However, in order to ensure the effectiveness and safety of the plate, the mechanical properties of the plate need to be tested. This includes the bending properties of the plate, such as bending strength and bending stiffness, so that surgeons can fully understand the characteristics of the metal plate.
[0003] A press for testing bone plates with application number 202310682052.0 comprises a base, wherein two fixing columns and two first support plates are fixedly connected to the surface of the base; when testing the mechanical properties of the bone plate, the present invention uses the first arc plate and the second arc plate to enable the bone plate to have a larger contact area for support after being clamped, thereby ensuring stable clamping and stable support of the bone plate, and after the bone plate is deformed, the clamping block will move to the bottom of the first groove under the action of the arc groove;
[0004] At present, when testing the mechanical properties of the joint plate, a press is usually used to perform a pressure test on the joint plate. During the test, a clamp is usually used to clamp and fix the joint plate, and pressurize the joint plate to test the joint plate. When the joint plate is subjected to different tests, such as tensile test, compression test, full resistance test, bending test and salt spray test, different equipment is usually required for testing, which brings great inconvenience to the staff. Summary of the invention
[0005] 1. Technical issues to be resolved
[0006] The purpose of the present invention is to provide a detection device and method for bone plate processing in order to solve the above problems.
[0007] To achieve the above object, the present invention provides the following technical solutions:
[0008] The present invention provides a detection device for bone plate processing, comprising a detection box and a digital display control panel, wherein two clamping heads arranged opposite to each other are arranged inside the detection box, and clamping grooves are respectively opened on the opposite sides of the two clamping heads, and a clamping structure capable of clamping and fixing the bone plate body is arranged in each clamping groove, and a rotation drive component capable of driving the clamping head to rotate is respectively arranged on one side of each clamping head;
[0009] A clamping drive assembly capable of adjusting the linear distance between the two rotation drive assemblies and the inclination angle between the two rotation drive assemblies is provided between the two rotation drive assemblies;
[0010] A salt spray test detection component is arranged between the two clamping heads, which can provide a salt spray sealing detection environment for the bone plate body and perform a salt spray test.
[0011] Furthermore, the inner contour of the clamping groove is U-shaped, and the clamping structure is arranged on the inner wall of the clamping groove. The clamping structure includes a telescopic groove opened in the clamping head, one end of the telescopic groove is connected to the clamping groove, and a clamping block is movably arranged in the telescopic groove. A third hydraulic cylinder capable of driving the clamping block to move in the telescopic groove is fixedly arranged on the clamping head, and the output end of the digital display control panel is electrically connected to the input end of the third hydraulic cylinder.
[0012] Furthermore, a sliding hole and a protrusion with an anti-skid pressure pad are respectively provided on the side surfaces opposite to each other of the two clamping blocks, one end of the sliding hole is connected to the clamping groove, an insertion column is slidably arranged in the sliding hole, and a spring is fixedly connected between one end of the insertion column and the inner end surface of the sliding hole. When the spring is in a normal state, the end of the insertion column protrudes from the outer surface of the clamping block, and the thickness of the anti-skid pressure pad protruding from the surface of the clamping block is 2-4mm. The clamping block is provided with a groove for embedding the anti-skid pressure pad, and the anti-skid pressure pad is made of rubber material.
[0013] Furthermore, the rotary drive assembly includes an outer sleeve with a cylindrical shape, and the openings at both ends of the outer sleeve are respectively connected with a first end plate and a second end plate by bolts, and a motor and a torque sensor are fixedly installed in the outer sleeve by an internal fixed support plate, and couplings are respectively provided between the motor and the torque sensor and between the torque sensor and the clamping head, a rotating hole is opened at the center of the first end plate, and the clamping head is rotatably connected to the rotating hole through a bearing, the output end of the digital display control panel is electrically connected to the input end of the motor, and the output end of the torque sensor is electrically connected to the input end of the digital display control panel.
[0014] Furthermore, the clamping drive assembly includes a support rod, and the two sides of the lower end of the support rod are respectively hingedly connected to the first hydraulic cylinder through the first hinge seat, the two first hydraulic cylinders and the two rotation drive assemblies correspond to each other one by one, the push rod head ends of the first hydraulic cylinders are connected to each other through the connecting seat and the outer sleeve, the connecting seat is penetrated by a connecting hole for sliding connection with the push rod of the first hydraulic cylinder, the connecting seat is threaded with a fixing bolt for tightening and fixing the push rod of the first hydraulic cylinder in the connecting hole, the support rod is provided with a second hydraulic cylinder for driving the first hydraulic cylinder to hinge and rotate, the second hydraulic cylinder is hinged to the support rod through the second hinge seat, the second hydraulic cylinder is hinged to the first hydraulic cylinder through the third hinge seat, and the output end of the digital display control panel is electrically connected to the input end of the first hydraulic cylinder and the second hydraulic cylinder respectively.
[0015] Furthermore, the salt spray test detection assembly includes a spray conduit arranged in a support rod, the upper end of the spray conduit passes through the support rod and the detection box in turn, an upper test cover is arranged below the support rod, a plurality of evenly distributed spray heads are arranged in the upper test cover, a spray pipe joint connected to each spray head is arranged on the upper side of the upper test cover, the spray pipe joint and the lower end of the spray conduit are connected to each other through a spring connecting pipe, the outer shape of the upper test cover is a semi-cylindrical shape and its circumferential arc surface is arranged upward, the interior of the upper test cover is hollow and the lower side is open, the upper test cover is provided with a first pipe through hole at both ends along its axial direction, a first sealing curtain is arranged in the first pipe through hole, a first electric telescopic rod for driving the upper test cover to rise and fall is arranged on the support rod, and the output end of the digital display control panel is electrically connected to the input end of the first electric telescopic rod.
[0016] Furthermore, an operating table is fixedly arranged at the lower part of the detection box, and a lifting slide groove is provided on the operating table, and a guide shell is arranged in the lifting slide groove for moving up and down, and a lower test cover shell is fixedly arranged on the upper side of the guide shell, and the outer shape of the lower test cover shell is semi-cylindrical and its circumferential arc surface is arranged upward, the interior of the lower test cover shell is hollow and the lower side is open, and the lower test cover shell is provided with second through-pipe holes at both ends along its axial direction, and a second sealing curtain is arranged in the second through-pipe hole, and a second electric telescopic rod for driving the lower test cover shell to lift up and down is fixedly arranged in the detection box, and when the push rods of the first electric telescopic rod and the second electric telescopic rod reach the maximum stroke, the upper test cover shell and the lower test cover shell are docked and matched with each other, and the output end of the digital display control panel is electrically connected to the input end of the second electric telescopic rod.
[0017] Furthermore, a mist suction pipe is provided in the lower test cover shell, and a negative pressure suction pump is provided on the bottom surface of the detection box. The air outlet of the negative pressure suction pump is connected to one end of the mist exhaust pipe, and the other end of the mist exhaust pipe passes through the detection box. The air intake of the negative pressure suction pump is connected to one end of the suction guide pipe, and the other end of the suction guide pipe is connected to the mist suction pipe, and the output end of the digital display control panel is electrically connected to the input end of the negative pressure suction pump.
[0018] Furthermore, the detection box is provided with a detection inlet and outlet, and a sealing door is opened and closed at the detection inlet and outlet, and the detection inlet and outlet is located above the operating table.
[0019] A detection method for bone plate processing, comprising the following steps:
[0020] S1: Open the sealed door, put the bone plate body to be tested into the test box from the test entrance and exit, and adjust the distance between the two clamping heads by the clamping drive assembly according to the length and shape of the bone plate body;
[0021] S2: The two ends of the bone plate body are inserted into the clamping grooves of the two clamping heads, and the bone plate body is clamped and fixed in the clamping grooves by the clamping structure, and the plug is positioned and inserted into the opening on the bone plate body;
[0022] S3: In the first detection mode, the clamping drive assembly drives the two clamping heads to approach each other in a straight line, thereby realizing the compressive strength detection of the main body of the bone connection plate, and the clamping drive assembly drives the two clamping heads to move away from each other in a straight line, thereby realizing the tensile strength detection of the main body of the bone connection plate. In the above process, the plug column can play a role of limiting and enhance the stability of the clamping of the main body of the bone connection plate;
[0023] S4: In the second detection mode, the clamping drive assembly drives the two clamping heads to tilt toward each other, thereby realizing the bending of the bone plate body, and the bending of the bone plate body is repeated to realize the bending strength test of the bone plate body;
[0024] S5: In the third detection mode, the rotary drive assembly drives the two clamping heads to rotate in opposite directions to achieve the torsion of the bone plate body, and the torsion of the bone plate body is repeated to achieve the torsion strength test of the bone plate body;
[0025] S6: The fourth detection mode, the spray duct of the salt spray test detection component is connected to the external salt spray supply equipment, and the spray head is used to spray the salt spray on the bone plate body between the upper test cover and the lower test cover. Under the condition of maintaining the salt spray environment, the negative pressure suction pump, suction pipe and exhaust pipe cooperate to suck and discharge the excess salt spray.
[0026] Compared with the prior art, the present invention has the following beneficial effects:
[0027] 1. Through the coordination and cooperation between the salt spray test detection component, the clamping drive component, the rotation drive component, the clamping head and the clamping structure, the tensile test, the compression test, the bending test, the torsion test and the salt spray test of the joint plate body can be integrated. After the clamping structure clamps the joint plate body, all the test items can be completed.
[0028] 2. The plug posts of the clamping structure can cooperate with the openings on the bone plate body to achieve the limit position during the pulling and pressing process of the bone plate body, so that the clamping of the bone plate body does not only rely on friction, but also makes it more stable. In addition, the anti-slip pressure pad can increase the friction between the bone plate body and the bone plate body, and also prevent the mechanical crushing of the bone plate body;
[0029] 3. The spray duct of the salt spray test detection component is connected to the external salt spray supply equipment. The spray head sprays the salt spray on the bone plate body between the upper test cover and the lower test cover. Under the condition of maintaining the salt spray environment, the negative pressure suction pump, suction pipe and exhaust pipe can cooperate to suck and discharge the excess salt spray. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0031] Figure 1 It is a schematic diagram of the main structure of the present invention;
[0032] Figure 2 The present invention Figure 1 Schematic diagram of the left view structure;
[0033] Figure 3 The present invention Figure 1 AA cross-sectional structural diagram;
[0034] Figure 4 The present invention Figure 1 BB cross-sectional structure diagram;
[0035] Figure 5 The present invention Figure 3 A schematic diagram of the local enlarged structure at D;
[0036] Figure 6 The present invention Figure 4 A schematic diagram of the local enlarged structure at E;
[0037] Figure 7 The present invention Figure 2 Schematic diagram of CC cross-section structure;
[0038] Figure 8 The present invention Figure 1 Schematic diagram of the three-dimensional structure;
[0039] Fig. 9 The present invention Figure 8 Schematic diagram of the three-dimensional internal structure.
[0040] The accompanying drawings are marked as follows: 1. Test box; 101. Test inlet and outlet; 102. Sealed door; 2. Salt spray test test assembly; 201. Spray duct; 202. Spring connecting pipe; 203. Spray pipe joint; 204. Upper test cover; 205. First electric telescopic rod; 206. Second electric telescopic rod; 207. Lower test cover; 208. Operating table; 209. Lifting slide; 210. Mist exhaust pipe; 211. Guide shell; 212. Spray head; 213. First through-pipe hole; 214. First sealing curtain; 215. Second through-pipe hole; 216. Second sealing curtain; 217. Mist suction pipe; 218. Negative pressure suction pump; 219. Suction pipe; 3. Digital display control Panel; 4. Clamping drive assembly; 401. Support rod; 402. First hydraulic cylinder; 403. First hinge seat; 404. Connecting seat; 405. Second hydraulic cylinder; 406. Second hinge seat; 407. Third hinge seat; 5. Rotating drive assembly; 501. Outer sleeve; 502. First end plate; 503. Second end plate; 504. Internal fixed support plate; 505. Motor; 506. Coupling; 507. Torque sensor; 6. Clamping head; 601. Clamping slot; 7. Clamping structure; 701. Telescopic slot; 702. Clamping block; 703. Third hydraulic cylinder; 704. Sliding hole; 705. Spring; 706. Insert column; 707. Anti-slip pressure pad; 8. Bone plate body. DETAILED DESCRIPTION
[0041] In order to make the purpose, technical scheme and advantages of the present invention clearer, the technical scheme of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0042] See also Figure 1-9 As shown, the present invention provides a detection device for bone plate processing, including a detection box 1 and a digital display control panel 3. The detection box 1 is provided with a detection inlet and outlet 101, and a sealing door 102 is provided at the detection inlet and outlet 101. In actual application, see the attached manual Figure 1 and 8As shown, the sealing door 102 adopts the double-door design of the prior art. When the two door bodies are docked and closed, the sealing of the detection inlet and outlet 101 can be achieved. The detection inlet and outlet 101 is located above the operating table 208. Two clamping heads 6 are arranged opposite to each other in the detection box 1. The two clamping heads 6 are respectively provided with clamping grooves 601 on the opposite sides of each other. Each clamping groove 601 is provided with a clamping structure 7 that can clamp and fix the bone plate body 8. A rotating drive component 5 that can drive it to rotate is respectively arranged on one side of each clamping head 6; a clamping drive component 4 that can adjust the linear distance between the two and the inclination angle between the two is arranged between the two rotating drive components 5; and a salt spray test detection component 2 that can provide a salt spray sealing detection environment for the bone plate body 8 and perform a salt spray test is arranged between the two clamping heads 6. Through the above-mentioned specific structural design, the clamping head 6 is arranged on the rotating drive component 5, and when the clamping drive component 4 drives the rotating drive component 5, the clamping head 6 can also be driven.
[0043] See the instruction manual Figure 4 and 6 The inner contour of the clamping groove 601 shown is U-shaped, and the clamping structure 7 is arranged on the inner wall of the clamping groove 601. In actual application, each clamping groove 601 is provided with two clamping structures 7, and the two clamping structures 7 are respectively arranged on the two side walls of the clamping groove 601. The clamping structure 7 includes a telescopic groove 701 opened in the clamping head 6, one end of the telescopic groove 701 is connected to the clamping groove 601, and a clamping block 702 is movably arranged in the telescopic groove 701. A third hydraulic cylinder 703 capable of driving the clamping block 702 to move in the telescopic groove 701 is fixedly arranged on the clamping head 6, and the output end of the digital display control panel 3 is electrically connected to the input end of the third hydraulic cylinder 703. The surfaces of the two clamping blocks 702 on one side opposite to each other are respectively provided with a sliding hole 704 and a protrusion provided with an anti-skid pressure pad 707. One end of the sliding hole 704 is connected to the clamping groove 601. A plug post 706 is slidably arranged in the sliding hole 704. A spring 705 is fixedly connected between one end of the plug post 706 and the inner end surface of the sliding hole 704. When the spring 705 is in a normal state, the end of the plug post 706 protrudes from the outer surface of the clamping block 702. The anti-skid pressure pad 707 protrudes from the surface of the clamping block 702 with a thickness of 2-4mm. The clamping block 702 is provided with a groove for embedding the anti-skid pressure pad 707, and the anti-skid pressure pad 707 is made of rubber material. Through the above-mentioned specific structural design, the plug 706 can cooperate with the opening on the bone plate main body 8 to achieve limiting during the pulling and pressing process of the bone plate main body 8, so that the clamping of the bone plate main body 8 is not only based on friction, but also more stable. In addition, the anti-slip pressure pad 707 can increase the friction between the bone plate main body 8 and prevent the mechanical compression of the bone plate main body 8.
[0044] See the instruction manual Figure 4 , 7 As shown in and 9, the rotary drive assembly 5 includes an outer sleeve 501 with a cylindrical shape, and the openings at both ends of the outer sleeve 501 are respectively connected with a first end plate 502 and a second end plate 503 by bolts, and a motor 505 and a torque sensor 507 are fixedly arranged in the outer sleeve 501 by an internal fixed support plate 504, and a coupling 506 is respectively arranged between the motor 505 and the torque sensor 507 and between the torque sensor 507 and the clamping head 6, a rotating hole is opened at the center of the first end plate 502, and the clamping head 6 is rotatably connected to the rotating hole through a bearing, the output end of the digital display control panel 3 is electrically connected to the input end of the motor 505, and the output end of the torque sensor 507 is electrically connected to the input end of the digital display control panel 3. In actual application, the rotary drive component 5 can drive the clamping head 6 to rotate independently, so that the two rotary drive components 5 can drive the two clamping heads 6 to rotate synchronously in the same direction, thereby realizing that the clamping head 6 clamps the plate body 8 to rotate a certain angle, and cooperates with the clamping drive component 4 to realize the bending test of the plate body 8 at different angles. The two rotary drive components 5 can also drive the two clamping heads 6 to rotate in the same direction, thereby realizing the clamping head 6 clamping the plate body 8 along its axial direction for torsion test.
[0045] See the instruction manual Figure 7 and 9 As shown, the clamping drive assembly 4 includes a support rod 401, and the lower ends of the support rod 401 are respectively hingedly connected to the first hydraulic cylinder 402 through the first hinge seat 403. The two first hydraulic cylinders 402 correspond to the two rotation drive assemblies 5 one by one. The push rod head end of the first hydraulic cylinder 402 is connected to the outer sleeve 501 through the connecting seat 404. The connecting seat 404 is provided with a connecting hole for slidingly connecting with the push rod of the first hydraulic cylinder 402. The connecting seat 404 is threaded with a useful The support rod 401 is provided with a second hydraulic cylinder 405 for driving the first hydraulic cylinder 402 to rotate in an articulated manner, and the second hydraulic cylinder 405 is articulated with the support rod 401 through a second articulated seat 406, and the second hydraulic cylinder 405 is articulated with the first hydraulic cylinder 402 through a third articulated seat 407. The output end of the digital display control panel 3 is electrically connected to the input end of the first hydraulic cylinder 402 and the second hydraulic cylinder 405. In actual applications, the first hydraulic cylinder 402 and the second hydraulic cylinder 405 cooperate with each other to simulate the bending test and the linear tensile and compressive test of the clamping bone plate body 8.
[0046] The salt spray test detection assembly 2 includes a spray conduit 201 arranged in a support rod 401, the upper end of the spray conduit 201 passes through the support rod 401 and the detection box 1 in sequence, an upper test cover 204 is arranged below the support rod 401, a plurality of spray heads 212 are evenly distributed in the upper test cover 204, a spray pipe joint 203 connected to each spray head 212 is arranged on the upper side of the upper test cover 204, and the spray pipe joint 203 is connected to the lower end of the spray conduit 201 through a spring connection pipe 20 2 are connected to each other, the upper test cover 204 is in the shape of a semi-cylinder with its circumferential arc surface facing upward, the upper test cover 204 is hollow inside and open at the bottom, the upper test cover 204 is provided with first pipe holes 213 at both ends along its axial direction, a first sealing curtain 214 is provided in the first pipe hole 213, a first electric telescopic rod 205 for driving the upper test cover 204 to move up and down is provided on the bracket rod 401, and the output end of the digital display control panel 3 is electrically connected to the input end of the first electric telescopic rod 205. An operating table 208 is fixedly arranged at the lower part of the detection box 1, and a lifting slide 209 is opened on the operating table 208. A guide shell 211 is arranged in the lifting slide 209 for moving up and down. A lower test cover 207 is fixedly arranged on the upper side of the guide shell 211. The shape of the lower test cover 207 is a semi-cylindrical shape and its circumferential arc surface is arranged upward. The interior of the lower test cover 204 is hollow and the lower side is open. The lower test cover 207 is provided with a second through-tube hole 215 at both ends of its axial direction. A second sealing curtain 216 is arranged in the second through-tube hole 215. A second electric motor for driving the lower test cover 207 to move up and down is fixedly arranged in the detection box 1. The telescopic rod 206 is movable. When the push rods of the first electric telescopic rod 205 and the second electric telescopic rod 206 reach the maximum stroke, the upper test cover 204 and the lower test cover 207 are docked and matched with each other to form a complete test cover, and the first through-tube hole 213 and the second through-tube hole 215 are docked and matched with each other to form a circular through-tube hole. At this time, the two ends of the bone plate body 8 pass through the combined through-tube holes respectively, and the first sealing curtain 214 and the second sealing curtain 216 cooperate with each other to play a certain sealing role on the through-tube hole, thereby reducing the leakage of salt mist from the through-tube hole. The output end of the digital display control panel 3 is electrically connected to the input end of the second electric telescopic rod 206.
[0047] A mist suction pipe 217 is arranged in the lower test cover 207, and a negative pressure suction pump 218 is arranged on the bottom surface of the detection box 1. The air outlet of the negative pressure suction pump 218 is connected to one end of the mist exhaust pipe 210, and the other end of the mist exhaust pipe 210 passes through the detection box 1. The air intake of the negative pressure suction pump 218 is connected to one end of the suction guide pipe 219, and the other end of the suction guide pipe 219 is connected to the mist suction pipe 217. The output end of the digital display control panel 3 is electrically connected to the input end of the negative pressure suction pump 218.
[0048] Working principle:
[0049] Open the sealing door 102, put the bone plate body 8 to be tested into the testing box 1 through the testing entrance and exit 101, and adjust the distance between the two clamping heads 6 by the clamping drive assembly 4 according to the length and shape of the bone plate body 8; insert the two ends of the bone plate body 8 into the clamping grooves 601 of the two clamping heads 6, and the clamping structure 7 realizes the clamping and fixing of the bone plate body 8 in the clamping grooves 601, and the plug 706 is positioned and inserted into the opening on the bone plate body 8;
[0050] In the first detection mode, the clamping drive assembly 4 drives the two clamping heads 6 to approach each other along a straight line, thereby realizing the compressive strength detection of the bone plate body 8, and the clamping drive assembly 4 drives the two clamping heads 6 to move away from each other along a straight line, thereby realizing the tensile strength detection of the bone plate body 8. In the above process, the plug column 706 can play a role of limiting and enhance the stability of the clamping of the bone plate body 8;
[0051] In the second detection mode, the clamping drive assembly 4 drives the two clamping heads 6 to tilt toward each other, thereby realizing the bending of the bone plate body 8, and the bending of the bone plate body 8 is repeated to realize the bending strength test of the bone plate body 8;
[0052] In the third detection mode, the rotation drive assembly 5 drives the two clamping heads 6 to rotate in opposite directions to achieve the torsion of the bone plate body 8, and the torsion of the bone plate body 8 is repeated to achieve the torsion resistance strength test of the bone plate body 8;
[0053] In the fourth detection mode, the spray conduit 201 of the salt spray test detection component 2 is connected to the external salt spray supply equipment, and the spray head 212 realizes the salt spray of the bone plate main body 8 between the upper test cover 204 and the lower test cover 207. Under the condition of maintaining the salt spray environment, the negative pressure suction pump 218, the suction pipe 219 and the exhaust pipe 210 cooperate to suck and discharge the excess salt spray.
[0054] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.
Claims
1. A detection device for bone plate processing, characterized in that: The invention comprises a detection box (1) and a digital display control panel (3), wherein two clamping heads (6) are arranged opposite to each other inside the detection box (1), and clamping grooves (601) are respectively provided on opposite sides of the two clamping heads (6), and each clamping groove (601) is provided with a clamping structure (7) capable of clamping and fixing a bone plate body (8), and each clamping head (6) is provided with a rotation drive component (5) capable of driving the clamping head (6) to rotate on one side; A clamping drive assembly (4) capable of adjusting the linear distance between the two rotation drive assemblies (5) and the inclination angle between the two rotation drive assemblies (5) is provided between the two rotation drive assemblies (5); A salt spray test detection component (2) is arranged between the two clamping heads (6) and is capable of providing a salt spray sealing detection environment for the bone plate body (8) and performing a salt spray test; The inner contour of the clamping groove (601) is U-shaped, the clamping structure (7) is arranged on the inner wall of the clamping groove (601), the clamping structure (7) comprises a telescopic groove (701) provided in the clamping head (6), one end of the telescopic groove (701) is connected to the inside of the clamping groove (601), a clamping block (702) is movably arranged in the telescopic groove (701), a third hydraulic cylinder (703) capable of driving the clamping block (702) to move in the telescopic groove (701) is fixedly arranged on the clamping head (6), and the output end of the digital display control panel (3) is electrically connected to the input end of the third hydraulic cylinder (703); The surfaces of the two clamping blocks (702) facing each other are respectively provided with a sliding hole (704) and a protruding anti-skid pressure pad (707); one end of the sliding hole (704) is connected to the clamping groove (601); a plug post (706) is slidably provided in the sliding hole (704); a spring (705) is fixedly connected between one end of the plug post (706) and the inner end surface of the sliding hole (704); when the spring (705) is in a normal state, the end of the plug post (706) protrudes from the outer surface of the clamping block (702); the anti-skid pressure pad (707) protrudes from the surface of the clamping block (702) with a thickness of 2-4 mm; the clamping block (702) is provided with an embedding groove for embedding the anti-skid pressure pad (707); the anti-skid pressure pad (707) is made of rubber material; The rotary drive assembly (5) comprises an outer sleeve (501) having a cylindrical shape, wherein the first end plate (502) and the second end plate (503) are respectively connected to the openings at both ends of the outer sleeve (501) by bolts, and a motor (505) and a torque sensor (507) are fixedly arranged in the outer sleeve (501) by an internal fixed support plate (504), and couplings (506) are respectively arranged between the motor (505) and the torque sensor (507) and between the torque sensor (507) and the clamping head (6), a rotating hole is opened at the center of the first end plate (502), and the clamping head (6) is rotatably connected to the rotating hole by a bearing, the output end of the digital display control panel (3) is electrically connected to the input end of the motor (505), and the output end of the torque sensor (507) is electrically connected to the input end of the digital display control panel (3); The clamping drive assembly (4) comprises a support rod (401), and the lower ends of the support rod (401) are respectively hingedly connected to first hydraulic cylinders (402) via first hinge seats (403). The two first hydraulic cylinders (402) correspond to the two rotation drive assemblies (5) one by one. The push rod heads of the first hydraulic cylinders (402) are connected to the outer sleeve (501) via a connecting seat (404). The connecting seat (404) is provided with a connecting hole for slidingly connecting with the push rods of the first hydraulic cylinders (402). The connecting seat (404) is threadedly connected with a A fixing bolt is used to fix the push rod of the first hydraulic cylinder (402) in the connecting hole. A second hydraulic cylinder (405) is provided on the support rod (401) for driving the first hydraulic cylinder (402) to rotate in an articulated manner. The second hydraulic cylinder (405) is articulated with the support rod (401) via a second articulated seat (406). The second hydraulic cylinder (405) is articulated with the first hydraulic cylinder (402) via a third articulated seat (407). The output end of the digital display control panel (3) is electrically connected to the input ends of the first hydraulic cylinder (402) and the second hydraulic cylinder (405), respectively.
2. A detection device for bone plate processing according to claim 1, characterized in that: The salt spray test detection assembly (2) comprises a spray conduit (201) arranged in a support rod (401), the upper end of the spray conduit (201) passing through the support rod (401) and the detection box (1) in sequence, an upper test cover (204) is arranged below the support rod (401), a plurality of spray heads (212) evenly distributed are arranged in the upper test cover (204), a spray pipe joint (203) connected to each of the spray heads (212) is arranged on the upper side of the upper test cover (204), and the spray pipe joint (203) is connected to the lower end of the spray conduit (201) via a spring. The tubes (202) are connected to each other, the upper test cover shell (204) is semi-cylindrical in shape and its circumferential arc surface is arranged upward, the upper test cover shell (204) is hollow inside and open at the bottom, the upper test cover shell (204) is provided with first tube holes (213) at both ends along its axial direction, a first sealing curtain (214) is arranged in the first tube hole (213), a first electric telescopic rod (205) for driving the upper test cover shell (204) to move up and down is arranged on the support rod (401), and the output end of the digital display control panel (3) is electrically connected to the input end of the first electric telescopic rod (205).
3. A detection device for bone plate processing according to claim 2, characterized in that: An operating table (208) is fixedly arranged at the lower part of the detection box (1), and a lifting slot (209) is opened on the operating table (208). A guide shell (211) is arranged in the lifting slot (209) to move up and down. A lower test cover (207) is fixedly arranged on the upper side of the guide shell (211). The lower test cover (207) has a semi-cylindrical shape and its circumferential arc surface is arranged upward. The lower test cover (207) is hollow inside and open at the lower side. The lower test cover (207) has a second opening at both ends along its axial direction. A pipe penetration hole (215), wherein a second sealing curtain (216) is arranged in the second pipe penetration hole (215), and a second electric telescopic rod (206) for driving the lower test cover (207) to move up and down is fixedly arranged in the test box (1), and when the push rods of the first electric telescopic rod (205) and the second electric telescopic rod (206) both reach a maximum stroke, the upper test cover (204) and the lower test cover (207) are docked with each other, and the output end of the digital display control panel (3) is electrically connected to the input end of the second electric telescopic rod (206).
4. A detection device for bone plate processing according to claim 3, characterized in that: A mist suction pipe (217) is arranged in the lower test cover (207), and a negative pressure suction pump (218) is arranged on the bottom surface of the detection box (1). The air outlet of the negative pressure suction pump (218) is connected to one end of the mist exhaust pipe (210), and the other end of the mist exhaust pipe (210) passes through the detection box (1). The air intake of the negative pressure suction pump (218) is connected to one end of the suction guide pipe (219), and the other end of the suction guide pipe (219) is connected to the mist suction pipe (217). The output end of the digital display control panel (3) is electrically connected to the input end of the negative pressure suction pump (218).
5. A detection device for bone plate processing according to claim 4, characterized in that: The detection box (1) is provided with a detection inlet and outlet (101), and a sealing door (102) is provided at the detection inlet and outlet (101) for opening and closing. The detection inlet and outlet (101) is located above the operating table (208).
6. A method for detecting bone plate processing, using the detection device for bone plate processing according to claim 5, characterized in that: The following steps are involved: S1: opening the sealed door (102), placing the bone plate body (8) to be tested into the testing box (1) through the testing inlet and outlet (101), and adjusting the distance between the two clamping heads (6) by the clamping drive assembly (4) according to the length and shape of the bone plate body (8); S2: The two ends of the bone plate body (8) are inserted into the clamping grooves (601) of the two clamping heads (6), the clamping structure (7) clamps and fixes the bone plate body (8) in the clamping grooves (601), and the insertion column (706) is positioned and inserted into the opening on the bone plate body (8); S3: In the first detection mode, the clamping drive assembly (4) drives the two clamping heads (6) to approach each other along a straight line, thereby realizing the compressive strength detection of the bone plate body (8), and the clamping drive assembly (4) drives the two clamping heads (6) to move away from each other along a straight line, thereby realizing the tensile strength detection of the bone plate body (8). In the above process, the plug post (706) can play a role of limiting, thereby enhancing the stability of the clamping of the bone plate body (8); S4: a second detection mode, the clamping drive assembly (4) drives the two clamping heads (6) to tilt toward each other, thereby achieving bending of the bone plate body (8), and the bending of the bone plate body (8) is repeated to achieve bending strength testing of the bone plate body (8); S5: a third detection mode, the rotation drive assembly (5) drives the two clamping heads (6) to rotate in opposite directions, thereby achieving torsion of the bone plate body (8), and repeatedly twisting the bone plate body (8) to achieve torsion resistance strength testing of the bone plate body (8); S6: A fourth detection mode, in which the spray conduit (201) of the salt spray test detection component (2) is connected to an external salt spray supply device, and the spray head (212) sprays the salt spray onto the bone plate body (8) between the upper test cover (204) and the lower test cover (207). Under the condition of maintaining the salt spray environment, the negative pressure suction pump (218), the suction pipe (219) and the mist exhaust pipe (210) cooperate to suck and discharge the excess salt spray.
