CN111139171A

CN111139171A - Stem cell separation system

Info

Publication number: CN111139171A
Application number: CN202010058183.8A
Authority: CN
Inventors: 车永翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-05-12

Abstract

The invention relates to a separation system, in particular to a stem cell separation system. The device comprises a bearing table, a matching pipe, a placing table, a limit slide rod, a matching rod, a compression spring and a pressing plate, wherein the limit slide rod is driven by a motor to generate rapid repeated flexible extrusion and crushing, so that hard tissues are prevented from scattering and flying to take away soft tissues; the diameter of the circle wound by the screw clamping part is changed when the screw clamping part rotates, so that the maximum pressure generated by the pressing plate can be changed; the nut is rotated to enable the nut to ascend, so that the placing table descends, and the operation can change the initial pressure of the pressing plate on the tissue; the pressing plate can be quickly taken down and then directly inverted and fixed, so that the soft tissue containing stem cells can be conveniently taken out.

Description

Stem cell separation system

Technical Field

The invention relates to a separation system, in particular to a stem cell separation system.

Background

For example, a mesenchymal stem cell separation and extraction device with publication number CN209669236U, which belongs to the technical field of cell separation, and comprises a cylinder body, a cover body and a stem cell separation bottle, wherein the cover body is arranged at the top of the cylinder body, a rotating motor and a rotating drum are arranged in the cylinder body, a plurality of connecting columns are radially arranged on the outer wall of the rotating drum and used for installing the stem cell separation bottle, and the free ends of the connecting columns extend obliquely downwards; the stem cell separating bottle comprises a bottle cap, a tissue bottle body and a cell bottle body, wherein two ends of the tissue bottle body are respectively connected with the bottle cap and the cell bottle body, and a filter screen is arranged at one end of the tissue bottle body connected with the cell bottle body. The rotating motor of the utility model drives the rotating drum to rotate, and under the action of centrifugal force, cells in the fine bone tissues placed in the stem cell separation bottle pass through the filter screen and enter the cell bottle body from the tissue bottle body, and the fine bone tissues are retained in the tissue bottle body under the obstruction of the filter screen; however, the device cannot control centrifugal force, the soft tissue is easy to damage, the bonding condition is easy to generate, and the bonded soft tissue is not easy to take down due to the fact that the internal structure is inconvenient to maintain and clean.

Disclosure of Invention

The invention aims to provide a stem cell separation system, which can control the force required by separation and is easy to handle after the adhesion condition is generated.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a stem cell separation system, is including holding table, cooperation pipe, placing platform, limit slide bar, cooperation pole, compression spring and clamp plate, hold two at least cooperation pipes of edge rigid coupling of table upper end, place two at least cooperation poles of upper end rigid coupling of platform, place the lower extreme rigid coupling cooperation pole of platform, the quantity and the cooperation pipe of cooperation pole correspond, and a plurality of cooperation poles are sliding connection respectively intraductal in a plurality of cooperations, and it has compression spring all to overlap on every cooperation pole, and compression spring is located places between platform and the cooperation pipe, and clamp plate sliding connection is on whole slide bars.

This stem cell separation system still includes balanced basement, reference base, motor, spiral shell card portion, axle, raises pole and mouthful frame, hold the equal rigid coupling of table and reference base on balanced basement, the motor rigid coupling is on the reference base, the output shaft and the spiral shell card portion rigid coupling of motor, the axis of motor output shaft is perpendicular with the axis of spiral shell card portion, axle and spiral shell card portion rigid coupling, the pole is raised to the upper end rigid coupling of clamp plate, the length of raising the pole is greater than the length of limit slide bar, mouthful frame rigid coupling is in the upper end of raising the pole, the axle is inserted and is slided in mouthful frame, the axle is located the middle part of mouthful frame when highest with the extreme lower position.

This stem cell separation system still includes U type accessory, connecting portion, a piece, lead screw, regulating part I, curb plate and regulating part II, the lower extreme of U type accessory is equipped with integrated into one piece's connecting portion, the upper end rigid coupling of U type accessory seals the piece, the upper end of lead screw is passed through clearance fit and is rotated and connect in the piece, the lower extreme of lead screw passes through the bearing and rotates the lower extreme of connecting at the U type accessory, the upper end rigid coupling regulating part I of lead screw, the curb plate rigid coupling is in the outer end of U type accessory lateral wall, regulating part II and curb plate threaded connection, regulating part II supports the rotation that is used for locking regulating part I on regulating part I, connecting portion replaces the output shaft rigid coupling of spiral shell card portion and motor, spiral shell card portion and lead screw threaded connection, end face sliding connection in spiral shell card portion and.

The stem cell separation system further comprises an electric push rod, the electric push rod replaces a motor to be fixedly connected to the reference seat, the motor is fixedly connected to the movable end of the electric push rod, and the axis of the output shaft of the motor is higher than the placing table.

The stem cell separation system also comprises a rotating sleeve, wherein the rotating sleeve is rotatably connected to the shaft and replaces the shaft to be inserted and slid in the opening frame.

This stem cell separation system still includes inserted bar, threaded rod and nut, the inserted bar rigid coupling is at the lower extreme of placing the platform, and the threaded rod rigid coupling is at the lower extreme of inserted bar, nut and threaded rod threaded connection, and the threaded rod passes and holds the table, and the nut supports the lower terminal surface that holds the table.

The stem cell separation system further comprises an auxiliary platform, a supporting plate and an opening frame matching part, wherein the auxiliary platform is fixedly connected to the bearing table, the upper end of the auxiliary platform is fixedly connected with the supporting plate, the supporting plate is fixedly connected with the opening frame matching part, and the opening frame matching part can be in clearance fit connection with the opening frame.

This stem cell separation system still includes the plate girder, slides and presss from both sides, aluminium core lamp pole and light source, the plate girder setting is on balanced basement, and the plate girder extends to placing platform and mouthful periphery of frame cooperation portion, and the slide clamp presss from both sides on the plate girder, and the lower extreme and the slide clamp of aluminium core lamp pole connect, and the upper end and the light source of aluminium core lamp pole are connected, and the outer end parcel plastic hose of aluminium core lamp pole.

The stem cell separation system further comprises an enclosing part, wherein the enclosing part is fixedly connected with the auxiliary platform and is contacted with the free end of the plate beam.

After the electric push rod extends to the maximum distance, the rotating sleeve can be used for supporting the lifting opening frame so as to drive the pressing plate to be separated from the limit sliding rod.

The stem cell separation system has the beneficial effects that:

the driving of the motor is utilized to generate rapid repeated flexible extrusion and crushing, so that hard tissues are prevented from scattering and flying to take away soft tissues; the diameter of the circle wound by the screw clamping part is changed when the screw clamping part rotates, so that the maximum pressure generated by the pressing plate can be changed; the nut is rotated to enable the nut to ascend, so that the placing table descends, and the operation can change the initial pressure of the pressing plate on the tissue; the pressing plate can be quickly taken down and then directly inverted and fixed, so that the soft tissue containing stem cells can be conveniently taken out.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of the overall structure of a stem cell separation system according to the present invention;

FIG. 2 is a partial schematic view of the first embodiment of the present invention;

FIG. 3 is a second partial schematic structural view of the present invention;

FIG. 4 is a third schematic view of a portion of the present invention;

FIG. 5 is a fourth schematic view of a portion of the present invention;

FIG. 6 is a schematic diagram of a portion of the present invention;

FIG. 7 is a schematic diagram six of a portion of the present invention;

fig. 8 is a schematic diagram seven of a partial structure of the present invention.

In the figure: the device comprises a balance base 1, a bearing table 101, a matching pipe 102, a plate girder 103, a sliding clamp 104, an aluminum core lamp post 105, a light source 106, a placing table 2, a limited sliding rod 201, a matching rod 202, a compression spring 203, an inserting rod 204, a threaded rod 205, a nut 206, an electric push rod 3, a reference base 301, a motor 302, a U-shaped fitting 4, a connecting part 401, a sealing block 402, a lead screw 403, an adjusting part I404, a side plate 405, an adjusting part II 406, a screw clamping part 5, a shaft 501, a rotating sleeve 502, a pressing plate 6, a lifting rod 601, an opening frame 602, an auxiliary table 7, a resisting plate 701, an opening frame matching part 702 and a surrounding part 703.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1-8, a stem cell separation system includes a bearing table 101, a matching tube 102, a placing table 2, a slide limiting rod 201, a matching rod 202, a compression spring 203, and a pressing plate 6, wherein the edge of the upper end of the bearing table 101 is fixedly connected with at least two matching tubes 102, the upper end of the placing table 2 is fixedly connected with at least two matching rods 202, the lower end of the placing table 2 is fixedly connected with the matching rods 202, the number of the matching rods 202 corresponds to the number of the matching tubes 102, the matching rods 202 are respectively slidably connected in the matching tubes 102, each matching rod 202 is sleeved with the compression spring 203, the compression spring 203 is located between the placing table 2 and the matching tube 102, and the pressing plate 6 is slidably connected on all the sliding rods 201. The dental tissue or bone tissue containing stem cells, which will be described in brief below, is placed on the placing table 2, the pressing plate 6 is pressed downwards to enable the pressing plate 6 to be close to the placing table 2, the pressing plate 6 and the placing table 2 are further utilized to crush the tissue, the pressing plate 6 continuously descends after contacting the tissue on the placing table 2, the tissue is pressed at the moment, the compression spring 203 is continuously compressed due to the arrangement of the compression spring 203, the pressure of the pressing plate 6 on the tissue is gradually increased, the pressure is conveniently controlled or repeatedly pressed within a certain pressure range, the dental pulp tissue containing the stem cells can be prevented from being taken away due to the fact that rigid direct pressing causes hard substances such as hard dental tissue to jump, or the hard substances are prevented from being excessively cracked due to excessive pressure, and other tissues containing the stem cells are not convenient to be separated from the dental pulp tissue.

The second embodiment is as follows:

as shown in fig. 1-8, the stem cell separation system further includes a balance substrate 1, a reference base 301, a motor 302, a screw clamping portion 5, a shaft 501, a lifting rod 601 and a port frame 602, wherein the support table 101 and the reference base 301 are both fixed on the balance substrate 1, the motor 302 is fixed on the reference base 301, an output shaft of the motor 302 is fixed with the screw clamping portion 5, an axis of the output shaft of the motor 302 is perpendicular to an axis of the screw clamping portion 5, the shaft 501 is fixed with the screw clamping portion 5, the lifting rod 601 is fixed on an upper end of the pressing plate 6, a length of the lifting rod 601 is longer than a length of the limiting slide rod 201, the port frame 602 is fixed on an upper end of the lifting rod 601, the shaft 501 is inserted and slid in the port frame 602, and the shaft 501 is located in a middle portion of the port frame 602. The motor 302 is started, the output shaft of the motor 302 drives the screw clamping part 5 to rotate around the axis direction of the output shaft of the motor 302, then the shaft 501 rotates to drive the opening frame 602 to move up and down, the opening frame 602 enables the pressing plate 6 to move up and down, and the pressing plate 6 can automatically extrude tissues for many times, so that hard tissues and soft tissues in the tissues are gradually separated.

The third concrete implementation mode:

as shown in fig. 1-8, the stem cell separation system further includes a U-shaped fitting 4, a connecting portion 401, a sealing block 402, a screw 403, an adjusting portion i 404, a side plate 405, and an adjusting portion ii 406, wherein the connecting portion 401 is integrally formed at the lower end of the U-shaped fitting 4, the sealing block 402 is fixedly connected to the upper end of the U-shaped fitting 4, the upper end of the screw 403 is rotatably connected to the inside of the sealing block 402 through clearance fit, the lower end of the screw 403 is rotatably connected to the lower end of the U-shaped fitting 4 through a bearing, the adjusting portion i 404 is fixedly connected to the upper end of the screw 403, the side plate 405 is fixedly connected to the outer end of the side wall of the U-shaped fitting 4, the adjusting portion ii 406 is in threaded connection with the side plate 405, and the adjusting portion. When the connecting portion 401 is fixedly connected with the output shaft of the motor 302 instead of the screw clamping portion 5, the screw clamping portion 5 is in threaded connection with the lead screw 403, after the screw clamping portion 5 is in sliding connection with the inner end face of the U-shaped fitting 4, the adjusting portion II 406 is rotated to separate the adjusting portion II 406 from the adjusting portion I404, the adjusting portion I404 is rotated to drive the lead screw 403 to rotate, the lead screw 403 drives the screw clamping portion 5 to move on itself, the diameter of a circle wound out when the screw clamping portion 5 rotates is changed, the diameter is changed to finely adjust the pressure of the pressing plate 6 for extruding the tissue, the larger the diameter is, the larger the stroke of the pressing plate 6 is, the larger the compression degree of the compression spring 203 is, the larger the maximum reaction force provided by the compression spring 203 is, the further the maximum pressure is increased, and conversely, the smaller the diameter is the maximum pressure. When the screw clamping part 5 rotates for a circle, the action of the screw clamping part draws a circle, namely, the shaft 501 drives the opening frame 602 to move up and down once, so that the tissue is extruded once.

The fourth concrete implementation mode:

as shown in fig. 1-8, the stem cell separation system further includes an electric push rod 3, the electric push rod 3 is fixed on the reference base 301 instead of the motor 302, the motor 302 is fixed on the movable end of the electric push rod 3, and the axis of the output shaft of the motor 302 is higher than the placing table 2. The electric push rod 3 is started to drive the motor 302 to lift, so that the height of an output shaft of the motor 302 is changed, the height of a rotation center of the shaft 501 is changed, the descending formation of the pressing plate 6 is changed greatly, and the maximum pressure of the pressing plate 6 on the tissues is adjusted greatly. Make motor 302 drive clamp plate 6 descend to minimum distance when starting the shrink of electric putter 3, and then clamp plate 6 is pressed and is moved and place platform 2 and descend to minimum distance, the bottom of cooperation pole 202 and the up end contact of holding table 101 this moment, and the maximum pressure that board 6 produced to the tissue now is given birth to adjusts to the biggest, realizes that pressure is by weak gradual increase to rigidity pressure, can crush comparatively hard tissue.

The fifth concrete implementation mode:

as shown in fig. 1-8, the stem cell separation system further comprises a rotating sleeve 502, wherein the rotating sleeve 502 is rotatably connected to the shaft 501, and the rotating sleeve 502 is inserted and slid in the opening frame 602 instead of the shaft 501. The rotating sleeve 502 can reduce noise generated by direct friction, and avoid the phenomenon that the parts with overlarge noise are repeatedly extruded and the parts are abraded too fast.

The sixth specific implementation mode:

as shown in fig. 1 to 8, the stem cell separation system further includes a rod 204, a threaded rod 205, and a nut 206, wherein the rod 204 is fixed to the lower end of the placing table 2, the threaded rod 205 is fixed to the lower end of the rod 204, the nut 206 is in threaded connection with the threaded rod 205, the threaded rod 205 penetrates through the support table 101, and the nut 206 abuts against the lower end surface of the support table 101. When the nut 206 is turned to raise itself, so that the placing table 2 is lowered, and the compression spring 203 continues to be compressed, this operation may change the initial pressure of the pressing plate 6 against the tissue, the more the compression spring 203 is compressed in this manner, the greater the initial pressure.

The seventh embodiment:

as shown in fig. 1-8, the stem cell separation system further includes a sub-stage 7, a support plate 701 and a mouth frame fitting portion 702, the sub-stage 7 is fixedly connected to the support table 101, the upper end of the sub-stage 7 is fixedly connected to the support plate 701, the support plate 701 is fixedly connected to the mouth frame fitting portion 702, and the mouth frame fitting portion 702 can be in clearance fit connection with the mouth frame 602. The pressing plate 6 is turned upside down after the pressing plate 6 is detached, the opening frame 602 is inserted into the opening frame matching part 702, so that the surface of the pressing plate 6, which is contacted with the tissue, faces upwards and has a height close to that of the placing table 2, the tissue adhered to the pressing plate 6 is convenient to take down, and the soft tissue containing stem cells is convenient to take out.

The specific implementation mode is eight:

as shown in fig. 1-8, the stem cell separation system further includes a plate beam 103, a slide clamp 104, an aluminum core lamp post 105 and a light source 106, the plate beam 103 is disposed on the balance base 1, the plate beam 103 extends to the periphery of the placing table 2 and the mouth frame matching portion 702, the slide clamp 104 is clamped on the plate beam 103, the lower end of the aluminum core lamp post 105 is fixedly connected with the slide clamp 104, the upper end of the aluminum core lamp post 105 is connected with the light source 106, and the outer end of the aluminum core lamp post 105 is wrapped with a plastic hose. The slide clamp 104 can be U-shaped, the opening is narrower than the thickness of the plate girder 103, so that the clamping force is provided, the slide on the plate girder 103 is facilitated, the aluminum core lamp post 105 can be bent and shaped at will, and the tissue on the placing table 2 and the pressing plate 6 can be conveniently irradiated and observed by the light source 106.

The specific implementation method nine:

as shown in fig. 1 to 8, the stem cell isolation system further includes a surrounding portion 703, the surrounding portion 703 is fixedly connected to the sub-platform 7, and the surrounding portion 703 is in contact with the free end of the plate beam 103. The arrangement of the enclosure 703 prevents the free end of the plate girder 103 from being touched by mistake or moved by mistake, for example, the cuff is hung on the free end of the plate girder 103 to turn over the device, and the similar situation can be avoided after the enclosure 703 is arranged. The plate girder 103 is made of deformable metal, and then the plate girder can be sleeved with other auxiliary equipment after being slightly lifted, for example, a magnifying glass with a bracket, the lower end of the bracket is a frame-shaped structure matched with the plate girder 103, and the bracket can slide on the plate girder 103.

The detailed implementation mode is ten:

as shown in fig. 1-8, after the electric push rod 3 extends to the maximum distance, the rotating sleeve 502 can be used to lift the opening frame 602, so as to drive the pressing plate 6 to disengage from the sliding-limiting rod 201. After the pressing plate 6 is raised by the electric push rod 3 until the pressing plate 6 is disengaged from the limit slide 201, referring to fig. 1, the pressing plate 6 can be quickly taken out from the left side.

The stem cell separation system provided by the invention has the working principle that:

the dental tissue or bone tissue containing stem cells, which will be described in brief below, is placed on the placing table 2, the pressing plate 6 is pressed downwards to enable the pressing plate 6 to be close to the placing table 2, the pressing plate 6 and the placing table 2 are further utilized to crush the tissue, the pressing plate 6 continuously descends after contacting the tissue on the placing table 2, the tissue is pressed at the moment, the compression spring 203 is continuously compressed due to the arrangement of the compression spring 203, the pressure of the pressing plate 6 on the tissue is gradually increased, the pressure is conveniently controlled or repeatedly pressed within a certain pressure range, the dental pulp tissue containing the stem cells can be prevented from being taken away due to the fact that rigid direct pressing causes hard substances such as hard dental tissue to jump, or the hard substances are prevented from being excessively cracked due to excessive pressure, and other tissues containing the stem cells are not convenient to be separated from the dental pulp tissue. The motor 302 is started, the output shaft of the motor 302 drives the screw clamping part 5 to rotate around the axis direction of the output shaft of the motor 302, then the shaft 501 rotates to drive the opening frame 602 to move up and down, the opening frame 602 enables the pressing plate 6 to move up and down, and the pressing plate 6 can automatically extrude tissues for many times, so that hard tissues and soft tissues in the tissues are gradually separated. When the connecting portion 401 is fixedly connected with the output shaft of the motor 302 instead of the screw clamping portion 5, the screw clamping portion 5 is in threaded connection with the lead screw 403, after the screw clamping portion 5 is in sliding connection with the inner end face of the U-shaped fitting 4, the adjusting portion II 406 is rotated to separate the adjusting portion II 406 from the adjusting portion I404, the adjusting portion I404 is rotated to drive the lead screw 403 to rotate, the lead screw 403 drives the screw clamping portion 5 to move on itself, the diameter of a circle wound out when the screw clamping portion 5 rotates is changed, the diameter is changed to finely adjust the pressure of the pressing plate 6 for extruding the tissue, the larger the diameter is, the larger the stroke of the pressing plate 6 is, the larger the compression degree of the compression spring 203 is, the larger the maximum reaction force provided by the compression spring 203 is, the further the maximum pressure is increased, and conversely, the smaller the diameter is the maximum pressure. When the screw clamping part 5 rotates for a circle, the action of the screw clamping part draws a circle, namely, the shaft 501 drives the opening frame 602 to move up and down once, so that the tissue is extruded once. The electric push rod 3 is started to drive the motor 302 to lift, so that the height of an output shaft of the motor 302 is changed, the height of a rotation center of the shaft 501 is changed, the descending formation of the pressing plate 6 is changed greatly, and the maximum pressure of the pressing plate 6 on the tissues is adjusted greatly. Make motor 302 drive clamp plate 6 descend to minimum distance when starting the shrink of electric putter 3, and then clamp plate 6 is pressed and is moved and place platform 2 and descend to minimum distance, the bottom of cooperation pole 202 and the up end contact of holding table 101 this moment, and the maximum pressure that board 6 produced to the tissue now is given birth to adjusts to the biggest, realizes that pressure is by weak gradual increase to rigidity pressure, can crush comparatively hard tissue. The rotating sleeve 502 can reduce noise generated by direct friction, and avoid the phenomenon that the parts with overlarge noise are repeatedly extruded and the parts are abraded too fast. When the nut 206 is turned to raise itself, so that the placing table 2 is lowered, and the compression spring 203 continues to be compressed, this operation may change the initial pressure of the pressing plate 6 against the tissue, the more the compression spring 203 is compressed in this manner, the greater the initial pressure. The pressing plate 6 is turned upside down after the pressing plate 6 is detached, the opening frame 602 is inserted into the opening frame matching part 702, so that the surface of the pressing plate 6, which is contacted with the tissue, faces upwards and has a height close to that of the placing table 2, the tissue adhered to the pressing plate 6 is convenient to take down, and the soft tissue containing stem cells is convenient to take out. The slide clamp 104 can be U-shaped, the opening is narrower than the thickness of the plate girder 103, so that the clamping force is provided, the slide on the plate girder 103 is facilitated, the aluminum core lamp post 105 can be bent and shaped at will, and the tissue on the placing table 2 and the pressing plate 6 can be conveniently irradiated and observed by the light source 106. The arrangement of the enclosure 703 prevents the free end of the plate girder 103 from being touched by mistake or moved by mistake, for example, the cuff is hung on the free end of the plate girder 103 to turn over the device, and the similar situation can be avoided after the enclosure 703 is arranged. The plate girder 103 is made of deformable metal, and then the plate girder can be sleeved with other auxiliary equipment after being slightly lifted, for example, a magnifying glass with a bracket, the lower end of the bracket is a frame-shaped structure matched with the plate girder 103, and the bracket can slide on the plate girder 103. After the pressing plate 6 is raised by the electric push rod 3 until the pressing plate 6 is disengaged from the limit slide 201, referring to fig. 1, the pressing plate 6 can be quickly taken out from the left side.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. A stem cell separation system comprises a bearing table (101), a matching pipe (102), a placing table (2), a limited slip rod (201), a matching rod (202), a compression spring (203) and a pressing plate (6), and is characterized in that: hold edge rigid coupling two at least cooperation pipes (102) of table (101) upper end, place two at least cooperation poles (202) of upper end rigid coupling of platform (2), place lower extreme rigid coupling cooperation pole (202) of platform (2), the quantity and the cooperation pipe (102) of cooperation pole (202) correspond, a plurality of cooperation poles (202) sliding connection respectively are in a plurality of cooperation pipes (102), all overlap on every cooperation pole (202) and have compression spring (203), compression spring (203) are located and place between platform (2) and the cooperation pipe (102), clamp plate (6) sliding connection is on whole slide bars (201).

2. The stem cell separation system of claim 1, wherein: the stem cell separation system further comprises a balance base (1), a reference base (301), a motor (302), a screw clamping part (5), a shaft (501), a lifting rod (601) and an opening frame (602), wherein the bearing table (101) and the reference base (301) are fixedly connected to the balance base (1), the motor (302) is fixedly connected to the reference base (301), an output shaft of the motor (302) is fixedly connected to the screw clamping part (5), an axis of an output shaft of the motor (302) is perpendicular to an axis of the screw clamping part (5), the shaft (501) is fixedly connected to the screw clamping part (5), the upper end of a pressing plate (6) is fixedly connected to the lifting rod (601), the length of the lifting rod (601) is larger than that of a limit sliding rod (201), the opening frame (602) is fixedly connected to the upper end of the lifting rod (601), the shaft (501) is inserted and slid in the opening frame (602), and the shaft (501) is located in the middle of the opening frame (602) when being located at the highest position.

3. The stem cell separation system of claim 2, wherein: the stem cell separation system further comprises a U-shaped accessory (4), a connecting part (401), a sealing block (402), a lead screw (403), an adjusting part I (404), a side plate (405) and an adjusting part II (406), wherein the lower end of the U-shaped accessory (4) is provided with the integrally formed connecting part (401), the upper end of the U-shaped accessory (4) is fixedly connected with the sealing block (402), the upper end of the lead screw (403) is rotatably connected into the sealing block (402) through clearance fit, the lower end of the lead screw (403) is rotatably connected to the lower end of the U-shaped accessory (4) through a bearing, the upper end of the lead screw (403) is fixedly connected with the adjusting part I (404), the side plate (405) is fixedly connected to the outer end of the side wall of the U-shaped accessory (4), the adjusting part II (406) is in threaded connection with the side plate (405), the adjusting part II (406) abuts against the adjusting part I (404) for locking the rotation of the adjusting part I (404), and the connecting part, the screw clamping part (5) is in threaded connection with the screw rod (403), and the screw clamping part (5) is in sliding connection with the inner end face of the U-shaped accessory (4).

4. The stem cell separation system of claim 3, wherein: the stem cell separation system further comprises an electric push rod (3), the electric push rod (3) replaces a motor (302) to be fixedly connected onto the reference base (301), the motor (302) is fixedly connected onto the movable end of the electric push rod (3), and the axis of the output shaft of the motor (302) is higher than the placing table (2).

5. The stem cell separation system of claim 4, wherein: the stem cell separation system also comprises a rotating sleeve (502), wherein the rotating sleeve (502) is rotatably connected to the shaft (501), and the rotating sleeve (502) replaces the shaft (501) to be inserted and slid in the opening frame (602).

6. The stem cell separation system of claim 5, wherein: the stem cell separation system further comprises an inserting rod (204), a threaded rod (205) and a nut (206), wherein the inserting rod (204) is fixedly connected to the lower end of the placing table (2), the threaded rod (205) is fixedly connected to the lower end of the inserting rod (204), the nut (206) is in threaded connection with the threaded rod (205), the threaded rod (205) penetrates through the bearing table (101), and the nut (206) abuts against the lower end face of the bearing table (101).

7. The stem cell separation system of claim 6, wherein: the stem cell separation system further comprises an auxiliary table (7), a resisting plate (701) and an opening frame matching part (702), wherein the auxiliary table (7) is fixedly connected to the bearing table (101), the upper end of the auxiliary table (7) is fixedly connected with the resisting plate (701), the resisting plate (701) is fixedly connected with the opening frame matching part (702), and the opening frame matching part (702) can be in clearance fit connection with the opening frame (602).

8. The stem cell separation system of claim 7, wherein: the stem cell separation system further comprises a plate beam (103), a sliding clamp (104), an aluminum core lamp post (105) and a light source (106), wherein the plate beam (103) is arranged on the balance base (1), the plate beam (103) extends to the periphery of the placing table (2) and the opening frame matching part (702), the sliding clamp (104) is clamped on the plate beam (103), the lower end of the aluminum core lamp post (105) is fixedly connected with the sliding clamp (104), the upper end of the aluminum core lamp post (105) is connected with the light source (106), and the outer end of the aluminum core lamp post (105) is wrapped by a plastic hose.

9. The stem cell separation system of claim 8, wherein: the stem cell separation system further comprises an enclosing part (703), wherein the enclosing part (703) is fixedly connected with the auxiliary platform (7), and the enclosing part (703) is in contact with the free end of the plate beam (103).

10. The stem cell separation system of claim 9, wherein: after the electric push rod (3) extends, the opening frame (602) can be lifted by using the rotating sleeve (502) so as to drive the pressing plate (6) to be separated from the limit sliding rod (201).