Skin stretching fixing frame

Abstract

The invention relates to the technical field of skin stretching, in particular to a skin stretching fixing frame. Comprising a box body, an environment control module is arranged on the box body, an image collecting component for collecting surface images and microscopic images of skin is installed in the box body, a drawing frame is connected to the inner wall of the box body in a sliding mode, a tensioning transmission module and an air pump are installed on the drawing frame, and two fixing components arranged in a mirror image mode are connected to the tensioning transmission module in a transmission mode. The fixing component comprises a tensioning frame, two transmission seats and a soft guide pipe communicated with the air pump, and a set of pressure sensors are installed between the opposite surfaces of the two transmission seats and the tensioning frame. The skin stretching device has the advantages that when the skin stretching device is used, the multiple skin clamping modules and the stretching spring are arranged, so that the skin stretching device can conduct multi-point fixing and multi-point tensioning on irregular skin, and when skin stretching operation is conducted, the movable clamp is matched with the fixed clamp, so that the skin to be stretched is stretched and fixed along the outer edge of the skin.

Description

Technical Field

[0001] The invention relates to the technical field of skin stretching, in particular to a skin stretching fixing frame. Background Art

[0002] In the prior art, a patent document with publication number CN101810514A discloses a skin stretching fixing frame, including a bracket and a skin stretching fixing assembly, the bracket includes two parallel supporting rods, the skin stretching fixing assembly includes a fixing rod I and a fixing rod II arranged between the two supporting rods along the longitudinal direction of the supporting rods, the fixing rod I and / or the fixing rod II are slidably matched with the two supporting rods along the longitudinal direction of the supporting rods in a lockable manner, and fixing buckles are arranged on the fixing rod I and the fixing rod II, and the fixing buckles of the fixing rod I correspond to the fixing buckles of the fixing rod II one by one, and the bracket is provided with a limb fixing assembly, and the limb fixing assembly includes four ferrules with adjustable inner diameters, the four ferrules are arranged on the bracket and are rectangularly distributed on the outside of the fixing rod I and the fixing rod II, and the plane where the four ferrules are located is not high In the plane where the fixing rods I and II are located, when the above-mentioned device is used, the skin of the animal model is stretched out, the edge of the skin is locked on the skin fixing buckle, the limbs are bound to the bracket by ropes, and the fixing rods I and / or II are slid to adjust the distance between the fixing rods I and II, thereby changing the tension exerted on the skin of the animal model. However, when the above-mentioned device is used to stretch the skin, it is not convenient to perform multi-point adaptive stretching and fixation on irregular and multi-thickness animal skin. At the same time, the existing fixator is not convenient for real-time observation of the surface changes of the skin and the growth of microscopic cells after the skin is fixed, and then monitoring the changes and degree of changes of the skin after fixation. Based on this, the present invention provides a skin stretching fixation frame to solve the problems raised in the above-mentioned background technology. Summary of the invention

[0003] The present invention aims at the technical problems existing in the prior art and provides a skin stretching and fixation frame to solve the problem that the existing devices are not convenient for multi-point adaptive stretching and fixation of irregular and multi-thickness animal skin when stretching the skin, and the existing fixators are not convenient for real-time observation of surface changes and microscopic cell growth of the skin after skin fixation, and then monitoring the changes and degree of changes of the skin after fixation.

[0004] The technical solution of the present invention to solve the above technical problems is as follows: a skin stretching fixed frame, comprising a box body, an environment control module is provided on the box body, an image acquisition component for acquiring a surface image and a microscopic image of the skin is installed in the box body, a drawer is slidably connected to the inner wall of the box body, a tensioning transmission module and an air pump are installed on the drawer, and two mirror-imaged fixed components are transmission-connected to the tensioning transmission module; The fixing component includes a tensioning frame, two transmission seats and a soft tube connected to the air pump, a group of pressure sensors are installed between the two transmission seats and the relative surfaces of the tensioning frame, the two transmission seats are driven by a tensioning transmission module, a distance adjustment module is installed on the inner wall of the tensioning frame, and the distance adjustment module is transmission-connected to two main clamping plates with mirror-image settings and adjustable spacing, a guide rail is arranged on the tensioning frame, a group of auxiliary clamping seats are slidably connected on the guide rail and corresponding to the position between the two main clamping plates, and distance adjustment springs are sleeved on the guide rail and corresponding to the position between the two auxiliary clamping seats and the position between the main clamping plate and adjacent auxiliary clamping seats, and skin clamping modules connected to the soft tube are installed on the main clamping plate and the auxiliary clamping seat.

[0005] Based on the above technical solution, the present invention can also be improved as follows.

[0006] Furthermore, the environmental control module includes a box door arranged on the end face of the box, an observation window arranged on the top of the box and a single-chip computer installed on the surface of the box. An oxygenation pump is installed on the side of the box, the oxygen supply port of the oxygenation pump is connected to the inner cavity of the box, and a sterilizer is installed on the air inlet port of the oxygenation pump.

[0007] The beneficial effect of adopting the above further scheme is that when in use, the oxygen in the box is maintained at a set concentration through the setting of the oxygenation pump, and the concentration is maintained so that the fixed skin in the box can grow normally. The setting of the sterilizer can effectively reduce the content of miscellaneous bacteria in the inner cavity of the box.

[0008] Furthermore, the image acquisition component includes an inner frame installed in the box, a first linear drive module is installed on the inner frame, the first linear drive module is transmission-connected to an inspection frame, a second linear drive module is installed on the inspection frame, the second linear drive module is transmission-connected to a collection platform, and a visual collection probe and a microscope camera are installed on the collection platform.

[0009] The beneficial effect of adopting the above further solution is that, when in use, the dual-axis position of the acquisition platform in the box body is changed by setting the first linear drive module and the second linear drive module; By setting up the visual acquisition probe, the surface image of the skin is acquired to observe the growth state of the skin under the stretching state; Through the setting of a microscopic camera, the microscopic images on the skin and the microscopic growth of cells can be visually collected; Then the changes in cell growth under skin stretch are monitored in real time.

[0010] Furthermore, the tensioning transmission module includes two tensioning screws rotatably connected to the drawing frame, the two tensioning screws are linked by a first chain belt, and the tensioning screws are symmetrically provided with a positive thread segment a and a negative thread segment a, and the positive thread segment a and the negative thread segment a are respectively connected to the transmission seats in the two fixed components.

[0011] The beneficial effect of adopting the above further scheme is that the distance between the two fixed components is changed by setting the tensioning transmission module, and the skin is effectively stretched by changing the distance between the two fixed components. The monitoring structure of the pressure sensor is set so that the skin can be maintained at the set tension.

[0012] Furthermore, the distance adjustment module includes a clamping screw rotatably connected to the tensioning frame, and the clamping screw is symmetrically provided with a positive thread segment b and a negative thread segment b, and the positive thread segment b and the negative thread segment b are respectively transmission-connected to two main clamping plates in the fixed component.

[0013] The beneficial effect of adopting the above further scheme is that when in use, the distance between the two main plates can be changed by setting the distance adjustment module. By changing the distance between the two main plates, the device can be suitable for fixing skin of different lengths. The fixation function of skin of multiple specifications can be realized, thereby effectively improving the versatility of the device.

[0014] Furthermore, the skin clamping module includes a T-shaped guide column, the main clamping plate and the auxiliary clamping seat are fixedly connected to the T-shaped guide column at the corresponding position, the T-shaped guide column is slidably connected with a traction frame, the T-shaped guide column is sleeved with a tension spring that cooperates with the traction frame, the traction frame is fixedly installed with a piston cylinder, a pressure charging chamber is provided in the piston cylinder, the pressure charging chamber is connected with the soft tube through a corrugated conduit, so an air valve member is provided at the connection between the pressure charging chamber and the corrugated conduit, a piston rod is slidably connected in the pressure charging chamber, a pressure clamp is fixedly installed at the bottom end of the piston rod, a dynamic clamp is provided below the pressure clamp, the pressure clamp and the dynamic clamp are both slidably connected to the traction frame, a group of elastic pressure applying members are installed between the dynamic clamp and the pressure clamp, and a fixed clamp is provided on the traction frame and at a position corresponding to the position below the dynamic clamp.

[0015] The beneficial effect of adopting the above further solution is that, when in use, through the arrangement of multiple skin clamping modules and tensioning springs, the device can perform multi-point fixation and multi-point tensioning on irregular skin; During skin stretching, the moving clamp cooperates with the fixed clamp to stretch and fix the skin to be stretched along the outer edge of the skin; When the skin is fixed, the air valve is set so that each skin clamping module can independently control the clamping state of the skin; When working, multiple skin clamping modules fix the user's skin in turn through the stretching points on the skin; Furthermore, the elastic pressure member includes a T-shaped guide rod fixed on the dynamic clamp, the T-shaped guide rod is slidably connected to the pressure clamp, and a compression spring is sleeved on the T-shaped guide rod and at a position corresponding to the dynamic clamp and the pressure clamp.

[0016] The beneficial effect of adopting the above further solution is that, by providing the elastic pressure piece, the device can adaptively adjust the clamping force according to the thickness of the skin, thereby enabling the device to simultaneously fix the stretching points of skin of different thicknesses.

[0017] Furthermore, the air valve component includes a valve tube arranged between the corrugated conduit and the pressure charging chamber, the valve tube has two valve holes, the inner wall of the valve tube is slidably connected with a valve column, a stop spring is installed between the bottom surface of the valve column and the valve tube, and the interior of the valve column is fixedly provided with an air guide channel that cooperates with the valve hole.

[0018] The beneficial effect of adopting the above further solution is that when the valve column is in a non-pressed state, the air guide channel and the valve hole are staggered, and after the valve column is fully pressed, the two valve holes are connected, thereby driving the movable clamp to approach the fixed clamp.

[0019] Furthermore, an air pressure probe a and an electromagnetic valve are respectively installed on the soft conduit, and the air pressure probe a is electrically connected to the single chip microcomputer.

[0020] The beneficial effect of adopting the above further solution is that, through the monitoring structure setting of the air pressure probe a, the tension and clamping strength of the fixing component on the skin can be effectively monitored.

[0021] Furthermore, it also includes a support plate fixed on the drawer, a tensioning bag is installed on the support plate, the port of the air pump is connected to the inner cavity of the tensioning bag through a pipeline, an air pressure probe b is installed on the tensioning bag, the air pressure probe b is electrically connected to the single-chip computer, and the support plate is arranged between two tensioning frames.

[0022] The beneficial effect of adopting the above further solution is that, when in use, the support plate is provided to facilitate placement before skin stretching, and the tensioning sac is provided to adjust the skin's stretching tightness.

[0023] The beneficial effects of the present invention are: 1. When the present invention is used, multiple skin clamping modules and stretching springs are arranged so that the device can perform multi-point fixation and multi-point tensioning on irregular skin. During skin stretching operation, the dynamic clamp cooperates with the fixed clamp to stretch and fix the skin to be stretched along the outer edge of the skin. When the skin is fixed, the air valve is arranged so that each skin clamping module can independently control the clamping state of the skin. During operation, multiple skin clamping modules fix the user's skin in turn through the stretching points on the skin.

[0024] 2. The present invention changes the distance between two fixed parts by setting a tensioning transmission module, and effectively stretches the skin by changing the distance between the two fixed parts. The monitoring structure of the pressure sensor is set to enable the skin to maintain a set tension.

[0025] 3. The present invention changes the distance between the two main plates by setting up a distance adjustment module. By changing the distance between the two main plates, the device is suitable for fixing skins of different lengths. The device can effectively improve its versatility by realizing the fixing function of skins of multiple specifications.

[0026] 4. The present invention provides an elastic pressure piece so that the device can adaptively adjust the clamping force according to the thickness of the skin, thereby enabling the device to simultaneously fix the stretching points of skin of different thicknesses.

[0027] 5. When the present invention is used, the biaxial position of the acquisition platform in the box is changed by setting the first linear drive module and the second linear drive module, and the surface image of the skin is acquired by setting the visual acquisition probe. The growth state of the skin under the stretched state is observed by acquiring the surface image of the skin, and the microscopic image on the skin and the microscopic growth of cells are visually acquired by setting the microscope camera, so as to monitor the cell growth changes under the stretched state of the skin in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the overall structure of a skin stretching fixation frame of the present invention; Figure 2 It is a structural schematic diagram of the inner frame and the first linear drive module of the present invention; Figure 3 For the present invention Figure 2 A schematic diagram of the local enlarged structure at point A in the middle; Figure 4 It is a schematic diagram of the structure of the tensioning screw rod and the tensioning bag of the present invention; Figure 5 It is a structural schematic diagram of the tensioning frame and the distance-adjusting spring of the present invention; Figure 6It is a schematic structural diagram of the piston cylinder and the elastic pressure member of the present invention; Figure 7 It is a schematic diagram of the cross-sectional structure of the fixed clamp and the pressing clamp of the present invention; Figure 8 For the present invention Figure 7 Schematic diagram of the local enlarged structure at point B in the middle.

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Box body; 2. Drawer; 3. Air pump; 4. Tensioning frame; 5. Transmission seat; 6. Soft conduit; 7. Pressure sensor; 8. Main clamping plate; 9. Guide rail; 10. Auxiliary clamping seat; 11. Adjustable spring; 12. Box door; 13. Observation window; 14. Single chip microcomputer; 15. Oxygenation pump; 16. Inner frame; 17. First linear drive module; 18. Inspection frame; 19. Second linear drive module; 20. Collection table; 21. Visual collection probe; 22. Microscope camera; 23. Tensioning screw; 24. Clamping screw; 25. T-shaped guide column; 26. Pulling frame; 27. Tensioning spring; 28. Piston cylinder; 29. ​​Bellows; 30. Piston rod; 31. Pressure clamp; 32. Moving clamp; 33. Elastic pressure member; 34. Fixed clamp; 35. Valve hole; 36. Stop spring; 37. Valve column; 38. Air guide channel; 39. Air pressure probe a; 40. Solenoid valve; 41. Support plate; 42. Tensioning bag; 43. Air pressure probe b. DETAILED DESCRIPTION

[0030] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0031] The present invention provides the following preferred embodiments like Figure 1-8 As shown, a skin stretching fixing frame includes a box body 1, on which an environment control module is provided; The environmental control module includes a door 12 arranged on the end face of the box body 1, an observation window 13 arranged on the top of the box body 1 and a single-chip computer 14 installed on the surface of the box body 1. An oxygenation pump 15 is installed on the side of the box body 1. The oxygen supply port of the oxygenation pump 15 is connected to the inner cavity of the box body 1, and a sterilizer is installed on the air inlet port of the oxygenation pump 15.

[0032] When in use, the oxygen pump 15 is set to maintain the oxygen in the box 1 at a set concentration, and the concentration is maintained so that the fixed skin in the box 1 can grow normally. The sterilizer is set to effectively reduce the content of miscellaneous bacteria in the inner cavity of the box 1. An image acquisition component for acquiring surface images and microscopic images of the skin is installed in the box 1; The image acquisition component includes an inner frame 16 installed in the box 1, a first linear drive module 17 is installed on the inner frame 16, the first linear drive module 17 is connected to the inspection frame 18 by transmission, the inspection frame 18 is installed with a second linear drive module 19, the second linear drive module is connected to the acquisition platform 20 by transmission, and the acquisition platform 20 is installed with a visual acquisition probe 21 and a microscope camera 22.

[0033] When in use, the biaxial position of the collection platform 20 in the box 1 is changed by setting the first linear drive module 17 and the second linear drive module 19; By setting the visual acquisition probe 21, the surface image of the skin is acquired, and the growth state of the skin under the stretching state is observed by acquiring the surface image of the skin; The microscopic camera 22 is provided to visually collect microscopic images on the skin and microscopic growth conditions of cells; Then monitor the changes in cell growth under skin stretch in real time The inner wall of the box body 1 is slidably connected with a drawer 2, on which a tensioning transmission module and an air pump 3 are installed, and the tensioning transmission module is transmission-connected with two fixed parts arranged in mirror image; The fixed components include a tensioning frame 4, two transmission seats 5 and a soft conduit 6 connected to the air pump 3. A set of pressure sensors 7 are installed between the two transmission seats 5 and the opposite surfaces of the tensioning frame 4. The two transmission seats 5 are driven by the tensioning transmission module. The tensioning transmission module includes two tensioning screws 23 rotatably connected to the drawer 2. The two tensioning screws 23 are linked by a first chain belt. A positive thread segment a and a negative thread segment a are symmetrically arranged on the tensioning screws 23. The positive thread segment a and the negative thread segment a are respectively connected to the transmission seats 5 in the two fixed components.

[0034] By setting the tension transmission module, the distance between the two fixing parts is changed, and the skin is effectively stretched by changing the distance between the two fixing parts. The monitoring structure of the pressure sensor 7 is set so that the skin can be kept at the set tension. The inner wall of the tensioning frame 4 is installed with a distance adjustment module, and the distance adjustment module is transmission-connected with two main clamping plates 8 with mirror-image arrangement and adjustable spacing; The distance adjustment module includes a clamping screw 24 rotatably connected to the tensioning frame 4, on which a positive thread segment b and a negative thread segment b are symmetrically arranged, and the positive thread segment b and the negative thread segment b are respectively transmission-connected to two main clamping plates 8 in the fixed component.

[0035] When in use, the distance between the two main plates 8 is changed by setting the distance adjustment module. By changing the distance between the two main plates 8, the device is suitable for fixing skin of different lengths. The device can effectively improve its versatility by having the fixing function for skin of multiple specifications.

[0036] A guide rail 9 is provided on the tensioning frame 4, and a group of auxiliary clamp seats 10 are slidably connected on the guide rail 9 and at a position corresponding to the position between the two main clamps 8. Adjustment springs 11 are sleeved on the guide rail 9 and at a position corresponding to the position between the two auxiliary clamp seats 10 and between the main clamp 8 and the adjacent auxiliary clamp seats 10. Skin clamping modules connected to the soft catheter 6 are installed on the main clamp 8 and the auxiliary clamp seats 10.

[0037] The skin clamping module includes a T-shaped guide column 25, the main clamp plate 8 and the auxiliary clamp seat 10 are fixedly connected to the T-shaped guide column 25 at the corresponding position, a traction frame 26 is slidably connected to the T-shaped guide column 25, a tension spring 27 cooperating with the traction frame 26 is sleeved on the T-shaped guide column 25, a piston cylinder 28 is fixedly installed on the traction frame 26, a pressure chamber is provided in the piston cylinder 28, the pressure chamber is connected with the soft tube 6 through the corrugated conduit 29, so an air valve is provided at the connection between the pressure chamber and the corrugated conduit 29, a piston rod 30 is slidably connected in the pressure chamber, a pressure clamp 31 is fixedly installed at the bottom end of the piston rod 30, a dynamic clamp 32 is provided below the pressure clamp 31, the pressure clamp 31 and the dynamic clamp 32 are both slidably connected to the traction frame 26, a group of elastic pressure members 33 are installed between the dynamic clamp 32 and the pressure clamp 31, and a fixed clamp 34 is provided on the traction frame 26 and at a position corresponding to the position below the dynamic clamp 32.

[0038] When in use, the device can perform multi-point fixation and multi-point tensioning on irregular skin through the arrangement of multiple skin clamping modules and tensioning springs 27; During the skin stretching operation, the movable clamp 32 cooperates with the fixed clamp 34 to stretch and fix the skin to be stretched along the outer edge of the skin; When the skin is fixed, the air valve is set so that each skin clamping module can independently control the clamping state of the skin; When working, multiple skin clamping modules fix the user's skin in turn through the stretching points on the skin; The elastic pressure member 33 includes a T-shaped guide rod fixed on the movable clamp 32 , the T-shaped guide rod is slidably connected to the pressure clamp 31 , and a compression spring is sleeved on the T-shaped guide rod and at a position corresponding to the position between the movable clamp 32 and the pressure clamp 31 .

[0039] By providing the elastic pressure member 33, the device can adaptively adjust the clamping force according to the thickness of the skin, thereby enabling the device to simultaneously fix the stretching points of skin of different thicknesses.

[0040] The air valve component includes a valve tube arranged between the corrugated conduit 29 and the charging chamber, and two valve holes 35 are provided on the valve tube. A valve column 37 is slidably connected to the inner wall of the valve tube, and a stop spring 36 is installed between the bottom surface of the valve column 37 and the valve tube. An air guide channel 38 cooperating with the valve hole 35 is fixedly provided inside the valve column 37.

[0041] When the valve column 37 is in a non-pressed state, the air guide channel 38 and the valve hole 35 are offset. After the valve column 37 is fully pressed, the two valve holes 35 are connected, and then the movable clamp 32 is driven to approach the fixed clamp 34.

[0042] An air pressure probe a39 and an electromagnetic valve 40 are respectively installed on the soft conduit 6, and the air pressure probe a39 is electrically connected to the single chip microcomputer 14.

[0043] The monitoring structure of the air pressure probe a39 is used to effectively monitor the tension and clamping strength of the fixing component on the skin.

[0044] It also includes a support plate 41 fixed on the drawer 2, a tensioning bag 42 is installed on the support plate 41, the port of the air pump 3 is connected to the inner cavity of the tensioning bag 42 through a pipeline, an air pressure probe b43 is installed on the tensioning bag 42, and the air pressure probe b43 is electrically connected to the single-chip computer 14. The support plate 41 is arranged between the two tensioning frames 4.

[0045] When in use, the support plate 41 is provided to facilitate placement before skin stretching, and the tensioning bag 42 is provided to adjust the skin stretching tightness.

[0046] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0047] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A skin stretching fixture, comprising a box (1), wherein an environment control module is provided on the box (1), characterized in that: An image acquisition component for acquiring a surface image and a microscopic image of the skin is installed in the box (1), a drawer (2) is slidably connected to the inner wall of the box (1), a tensioning transmission module and an air pump (3) are installed on the drawer (2), and two fixed components arranged in mirror images are transmission-connected to the tensioning transmission module; The fixed component comprises a tensioning frame (4), two transmission seats (5) and a soft conduit (6) connected to the air pump (3), a group of pressure sensors (7) are installed between the opposing surfaces of the two transmission seats (5) and the tensioning frame (4), and the two transmission seats (5) are driven by a tensioning transmission module.

2. A skin stretching fixture according to claim 1, characterized in that: The inner wall of the tensioning frame (4) is installed with a distance adjustment module, and the distance adjustment module is transmission-connected to two main clamping plates (8) arranged in mirror image and with adjustable spacing, and the tensioning frame (4) is provided with a guide rail (9).

3. A skin stretching fixture according to claim 2, characterized in that: A group of auxiliary clamp seats (10) are slidably connected on the guide rail (9) and at a position corresponding to the position between the two main clamp plates (8); a distance adjustment spring (11) is sleeved on the guide rail (9) and at a position corresponding to the position between the two auxiliary clamp seats (10) and at a position between the main clamp plate (8) and the adjacent auxiliary clamp seats (10); a skin clamping module connected to the soft catheter (6) is installed on the main clamp plate (8) and the auxiliary clamp seat (10); the environmental control module comprises a box door (12) arranged on the end surface of the box body (1), an observation window (13) arranged on the top of the box body (1) and a skin clamping module (11) installed on the box body A single chip computer (14) is mounted on the surface of the box (1); an oxygenation pump (15) is mounted on the side of the box (1); an oxygen supply port of the oxygenation pump (15) is in communication with the inner cavity of the box (1); and a sterilizer is mounted on the air inlet port of the oxygenation pump (15); the image acquisition component comprises an inner frame (16) mounted in the box (1); a first linear drive module (17) is mounted on the inner frame (16); a detection frame (18) is transmission-connected to the first linear drive module (17); a second linear drive module (19) is mounted on the detection frame (18); The second linear drive module is transmission-connected to a collection platform (20), and a visual collection probe (21) and a microscopic camera (22) are installed on the collection platform (20); the tensioning transmission module comprises two tensioning screws (23) rotationally connected to the drawer (2), the two tensioning screws (23) are linked by a first chain belt, and the tensioning screws (23) are symmetrically provided with a positive thread segment a and a negative thread segment a, and the positive thread segment a and the negative thread segment a are transmission-connected to the transmission seats (5) in the two fixed components respectively; the skin clamping module comprises a T-shaped guide column (25), the main clamping plate (8) and the auxiliary clamping seat (10) are fixedly connected to the T-shaped guide column (25) at the corresponding position, the T-shaped guide column (25) is slidably connected with a traction frame (26), the T-shaped guide column (25) is sleeved with a tension spring (27) that cooperates with the traction frame (26), the traction frame (26) is fixedly installed with a piston cylinder (28), the piston cylinder (28) is provided with a pressure chamber, the pressure chamber is connected to the soft tube (6) through a corrugated conduit (29), so an air valve is provided at the connection between the pressure chamber and the corrugated conduit (29).

4. A skin stretching fixture according to claim 3, characterized in that: A piston rod (30) is slidably connected in the pressure charging chamber, a pressure clamp (31) is fixedly mounted on the bottom end of the piston rod (30), and a dynamic clamp (32) is provided below the pressure clamp (31).

5. A skin stretching fixture according to claim 4, characterized in that: The distance adjustment module comprises a clamping screw (24) rotatably connected to the tensioning frame (4), the clamping screw (24) being symmetrically provided with a positive thread segment b and a negative thread segment b, the positive thread segment b and the negative thread segment b being respectively transmission-connected to two main clamping plates (8) in the fixed component.

6. A skin stretching fixture according to claim 5, characterized in that: The pressure clamp (31) and the dynamic clamp (32) are both slidably connected to the traction frame (26); a group of elastic pressure members (33) are installed between the dynamic clamp (32) and the pressure clamp (31); and a fixed clamp (34) is provided on the traction frame (26) at a position corresponding to the bottom of the dynamic clamp (32).

7. The skin stretching fixture according to claim 6, characterized in that: The elastic pressure member (33) comprises a T-shaped guide rod fixed on the movable clamp (32), the T-shaped guide rod being slidably connected to the pressure clamp (31), and a compression spring being sleeved on the T-shaped guide rod and at a position corresponding to the position between the movable clamp (32) and the pressure clamp (31).

8. The skin stretching fixture according to claim 7, characterized in that: The gas valve component comprises a valve tube arranged between the corrugated conduit (29) and the pressure chamber, the valve tube being provided with two valve holes (35), the inner wall of the valve tube being slidably connected with a valve column (37), a stop spring (36) being installed between the bottom surface of the valve column (37) and the valve tube, and an air guide channel (38) cooperating with the valve hole (35) being fixedly provided inside the valve column (37).

9. The skin stretching fixture according to claim 8, characterized in that: An air pressure probe a (39) and a solenoid valve (40) are respectively mounted on the soft conduit (6), and the air pressure probe a (39) is electrically connected to the single chip computer (14).

10. The skin stretching fixture according to claim 9, characterized in that: It also includes a support plate (41) fixed on the drawer (2), a tensioning bag (42) being mounted on the support plate (41), a port of the air pump (3) being connected to an inner cavity of the tensioning bag (42) via a pipeline, an air pressure probe b (43) being mounted on the tensioning bag (42), the air pressure probe b (43) being electrically connected to the single-chip computer (14), and the support plate (41) being arranged between the two tensioning frames (4).

Images