CN115399897A

CN115399897A - Automatic sleeve changing device for detection sampling bracket

Info

Publication number: CN115399897A
Application number: CN202211044544.9A
Authority: CN
Inventors: 郭跃; 马陈燕; 陈惠英; 张明强; 刘利民
Original assignee: Huzhou University
Current assignee: Huzhou University
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-11-29

Abstract

The invention discloses an automatic sleeve changing device for a detection sampling bracket, which comprises a sleeve discharging assembly and a sleeve changing assembly, wherein the sleeve discharging assembly comprises a support, a containing box is fixedly connected onto the support, a sheath roll is rotatably arranged in the containing box, two driving shaft groups are rotatably connected into the containing box, a moving part is connected with any one driving shaft group, a cutter and a sucker are arranged in the containing box, the sleeve changing assembly comprises a bracket support rotatably connected with a base, a lifting sleeve is arranged on the bracket support, a multidimensional driver is fixedly connected to the outer side of the lifting sleeve, a bracket arm is fixedly connected with the multidimensional driver, a mandible support is fixedly connected with the bracket arm, the mandible support is positioned under the sucker, and a recovery box for recovering a sheath is arranged on one side of the bracket support, which is far away from the support. The invention can avoid the potential risk of virus infection when field workers replace the disposable bracket sheath, and is particularly suitable for virus sampling, vaccine inoculation, epidemic prevention and the like of high-infectivity diseases such as new coronavirus and the like.

Description

Automatic sleeve changing device for detection sampling bracket

Technical Field

The invention relates to the technical field of medical equipment, in particular to an automatic sleeve changing device for a detection sampling bracket.

Background

In carrying out the detection sampling of specific virus, generally need wait to detect that the personnel put medical location bracket with the lower jaw position on, make head oral cavity position fixed, the automated inspection sampling system of being convenient for samples, for safety, generally need establish disposable sheath on medical location bracket, at present, the change of the disposable sheath of medical on-the-spot bracket is accomplished by the manual work, when wasting time and energy, there is the risk of viral infection, so need for a detection sampling bracket automatic set changing device that can trade the cover automatically urgently.

Disclosure of Invention

The invention aims to provide an automatic sleeve changing device for a detection sampling bracket, which is used for solving the problems in the prior art.

In order to achieve the purpose, the invention provides the following scheme: the invention provides an automatic sleeve changing device for a detection sampling bracket, which comprises a sleeve discharging assembly and a sleeve changing assembly, wherein the sleeve changing assembly is positioned on one side of the sleeve discharging assembly, the sleeve discharging assembly comprises a support, a containing box is fixedly connected onto the support, a sheath roll is rotatably arranged in the containing box and comprises a sheath belt wound into a roll, two driving shaft groups are rotatably connected into the containing box, the sheath belt is positioned between the two driving shaft groups, any driving shaft group is connected with a moving part, a cutting knife for cutting the sheath belt into single sheaths and a sucking disc for opening the sheaths are arranged in the containing box, the sleeve changing assembly comprises a bracket support rotatably connected with a base, a lifting sleeve is arranged on the bracket support, the lifting sleeve moves up and down along the bracket support, a multi-dimensional driver is fixedly connected to the outer side of the lifting sleeve, a bracket arm is fixedly connected with the bracket arm, the bottom of a mandible support is fixedly connected with the bracket arm, an opening is formed in one side of the containing box, the sucking disc support is positioned under the bracket support, and the sheath recovering box is positioned on one side of the bracket support far away from the sheath support.

Preferably, the motion portion include with hold the axis of rotation that the roof wall was connected, hold incasement fixedly connected with sheath clamping shaft, the sheath is rolled up and is located sheath clamping shaft week side, the axis of rotation is located sheath clamping shaft top, axis of rotation fixedly connected with axle bracket that opens and shuts, arbitrary the driving shaft group is installed on the axle bracket that opens and shuts, another the driving shaft group with hold incasement wall and rotate the connection, axis of rotation fixedly connected with motor that opens and shuts, the axle bracket that opens and shuts and hold the equal fixedly connected with in roof portion and have the driving shaft group provides the driving motor of power.

Preferably, the driving shaft group includes a plurality of drive shafts, the driving shaft group is located the avris and keeps away from the sheath holder shaft the drive shaft is for going out the cover axle, go out to run through in the cover axle and be provided with the back shaft, back shaft fixedly connected with control motor, it connects to go out the cover axle rotation the back shaft outside, for it provides power to go out the cover axle drive motor output shaft fixedly connected with drive gear, go out to set epaxial set offer with the drive tooth's socket of drive gear looks adaptation, drive gear with drive tooth's socket meshes mutually, it is connected with the cutting axle to rotate on the back shaft, cutting knife fixed connection is in cutting shaft week side, hold roof fixedly connected with cutting motor, cutting motor output shaft fixedly connected with cutting gear, cutting shaft circumference offer with the cutting tooth's socket of cutting gear looks adaptation, cutting gear with cutting tooth's socket meshes mutually, fixedly connected with supports the cover on the back shaft, support cover fixedly connected with cover holder pipe, the sucking disc is located the cover holder pipe is kept away from one side of supporting the cover, the sheath is located between two the sucking disc, other the drive shaft with drive motor output shaft fixed connection.

Preferably, the lifting sleeve is internally and rotatably connected with two lifting gears, the lifting gears are fixedly connected with output shafts of a lifting motor, the outer side of the bracket support is fixedly connected with a lifting rack matched with the lifting gears, the lifting gears are meshed with the lifting rack, the bottom of the bracket support is fixedly connected with a rotating gear, the rotating gear is meshed with a driving gear, the driving gear is fixedly connected with an output shaft of a rotating motor, and the rotating motor is fixedly connected with the base.

Preferably, the multi-dimensional driver includes a first motor located in the lifting sleeve and fixedly connected to the lifting sleeve, an output shaft of the first motor penetrates through the lifting sleeve and fixedly connected to a transfer block, a second motor is fixedly connected to the transfer block, and an output shaft of the second motor is fixedly connected to the bracket arm.

Preferably, one end of the lower jaw support is fixedly connected with a contact sensor, the lower jaw support is provided with an absorption sleeve opening, the absorption sleeve opening and the contact sensor are located on the same side of the bracket arm, pneumatic pipes are arranged in the lower jaw support and the bracket arm, one end of each pneumatic pipe is communicated with the absorption sleeve opening, the other end of each pneumatic pipe is communicated with a pneumatic press, and the pneumatic presses are communicated with the suckers through the pneumatic pipes.

Preferably, a through hole is formed in the bottom wall of the containing box, a lifting plate is arranged in the through hole, the lifting plate is fixedly connected with the sheath clamping shaft, and the lifting plate is connected with the support in a sliding mode.

Preferably, install the position sensor that monitors the lower jaw and hold in the palm the position on the support, detection sensor is installed at bracket pillar top, is close to sheath presss from both sides the axle install disconnected area sensor on the drive shaft.

Preferably, the sheath is a disposable plastic sleeve with an opening at the lower part.

The invention discloses the following technical effects: according to the invention, the sheath roll is opened through the driving shaft group, the sheath belt is divided into single sheaths by using the cutting knife, then the sheath is opened by using the sucking disc, the sheath is conveniently sleeved on the mandibular support, meanwhile, the multi-dimensional driver is driven by the lifting sleeve to move up and down on the bracket support, the mandibular support can move in multiple degrees of freedom, the butting with the sheath is conveniently completed, the sheath is sleeved on the mandibular support, the sampling work is conveniently carried out, after the sampling is finished, the mandibular support places the sheath in the recovery box, and then the sheath changing work is continued; the automatic sleeve changing device for the detection sampling bracket can automatically complete the replacement of the bracket sheath of the medical field in an isolated manner under the condition of unmanned operation, and provides auxiliary equipment support for realizing automatic sampling in a virus detection field. The invention has the advantages of automatic isolation operation, safety, high efficiency, good applicability, strong intelligence, time and labor saving, easy popularization and use, capability of avoiding the potential risk of virus infection when field workers replace the disposable bracket sheath, labor intensity reduction, effective protection of related workers, and particular suitability for virus sampling, vaccination, epidemic prevention and the like of high-contagious diseases such as new coronavirus and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic structural view of an automatic sleeve changing device according to the present invention;

FIG. 2 is a schematic view of the drive shaft and the sheath of the present invention engaged;

fig. 3 is a schematic view of the structure of the mandible support of the invention;

FIG. 4 is a front view of the bracket holder of the present invention;

FIG. 5 is a side view of the bracket holder of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 1;

wherein: 1. a support; 2. an accommodating box; 3. a sheath roll; 4. a sheath band; 5. cutting; 6. a suction cup; 7. a bracket support; 8. a lifting sleeve; 9. a mandible support; 10. a recycling bin; 11. a rotating shaft; 12. a sheath clamp shaft; 13. opening and closing the shaft bracket; 14. an opening and closing motor; 15. a drive motor; 16. a drive shaft; 17. discharging the sleeve shaft; 18. a support shaft; 19. a drive gear; 20. cutting the shaft; 21. cutting the motor; 22. cutting the gear; 23. a support sleeve; 24. sleeving and clamping the pipe; 25. a lifting gear; 26. a rotating gear; 27. a driving gear; 28. a rotating electric machine; 29. a first motor; 30. a transfer block; 31. a second motor; 32. a bracket arm; 33. a touch sensor; 34. a suction sleeve opening; 35. a pneumatic tube; 36. a lifting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.

Referring to fig. 1-6, the invention provides an automatic sleeve changing device for a detection sampling bracket, which comprises a sleeve discharging assembly and a sleeve changing assembly, wherein the sleeve changing assembly is positioned on one side of the sleeve discharging assembly, the sleeve discharging assembly comprises a support 1, a containing box 2 is fixedly connected to the support 1, a sheath roll 3 is rotatably arranged in the containing box 2, the sheath roll 3 comprises a sheath belt 4 wound into a roll, two driving shaft groups are rotatably connected to the containing box 2, the sheath belt 4 is positioned between the two driving shaft groups, any driving shaft group is connected with a moving part, a cutting knife 5 for cutting the sheath belt 4 into single sheaths and a sucking disc 6 for opening the sheaths are arranged in the containing box 2, the sleeve changing assembly comprises a bracket support 7 rotatably connected with a base, a lifting sleeve 8 is arranged on the bracket support 7, the lifting sleeve 8 moves up and down along the bracket support 7, a multi-dimensional driver is fixedly connected to the outer side of the lifting sleeve 8, a bracket arm 32 is fixedly connected to the multi-dimensional driver, and the bracket arm 32 can move in multiple dimensions. The bracket arm 32 is fixedly connected with the bottom of the mandible support 9, one side of the containing box 2 is provided with an opening, the mandible support 9 is positioned under the suction disc 6, and one side of the bracket strut 7, which is far away from the bracket 1, is provided with the recovery box 10 for recovering the sheath. The sheath roll 3 is opened by the driving shaft group, the sheath belt 4 is divided into single sheaths by the cutting knife 5, then the sheaths are opened by the sucker 6, the sheaths 6 are conveniently sleeved on the mandibular support 9, meanwhile, the lifting sleeve 8 is used for driving the multidimensional driver to move up and down on the bracket support 7, the mandibular support 9 can move with multiple degrees of freedom, the butting with the sheaths can be conveniently completed, the sheaths are sleeved on the mandibular support 9, the sampling work is convenient, after the sampling is finished, the mandibular support 9 places the sheaths in the recovery box 10, and then the sheath changing work is continued; the automatic sleeve changing device for the detection sampling bracket can automatically complete the replacement of the bracket sheath of the medical field in an isolated manner under the condition of unmanned operation, and provides auxiliary equipment support for realizing automatic sampling in a virus detection field.

The recycling bin 10 is a plastic bin with an upper opening, and a furling baffle is connected to the upper edge of the recycling bin, so that used disposable sheaths are prevented from scattering outside the recycling bin 10. The recovery box 10 is placed in a fixed position corresponding to the release of the separation sleeve by the chin rest 9, without any check.

Further optimize the scheme, the motion portion includes and holds 2 roof of case rotation axis 11 of being connected, hold 2 interior fixedly connected with sheath clip axle 12 of case, 3 are located sheath clip axle 12 week sides to the sheath book, rotation axis 11 is located sheath clip axle 12 tops, 11 fixedly connected with of rotation axis opens and shuts the pedestal 13, arbitrary driving shaft group is installed on the pedestal 13 that opens and shuts, another driving shaft group with hold 2 inner wall rotations of case and be connected, 11 fixedly connected with of rotation axis motor 14 that opens and shuts, the pedestal 13 that opens and shuts and hold 2 tops of case all fixedly connected with and provide the driving motor 15 of power for the driving shaft group. The opening and closing shaft bracket 13 is driven to rotate by the opening and closing motor 14, so that the two driving shaft groups can be separated, and the sheath belt 4 can be conveniently placed between the two driving shafts 16 when the sheath roll 3 is replaced.

The sheath roll 3 is formed by furling the sheath belt 4 and can be inserted on the sheath clamping shaft 12 and continuously sent out of the sheath by rotating under the traction of the sheath belt 4. The sheath belt 4 is composed of interconnected sheaths, a sealing interval with a certain width is arranged between the two sheaths, and the cutting knife is cut at the interval to keep the respective complete sheaths. The sheath is a disposable nontoxic plastic sealing sleeve with an opening at the lower part, the sheath is pressed into a piece on the sheath belt, the opening is in a joint state, and the sheath opening can be opened by the matching of the sheath clamping pipe 24 and the sucker 6.

Further optimization scheme, the driving shaft group includes a plurality of driving shafts 16, the driving shaft 16 which is located at the side and far away from the sheath clamping shaft 12 in the driving shaft group is a sleeve discharging shaft 17, a supporting shaft 18 penetrates through the sleeve discharging shaft 17, the supporting shaft 18 is fixedly connected with a control motor, the sleeve discharging shaft 17 is rotatably connected to the outer side of the supporting shaft 18, a driving motor 15 output shaft fixedly connected with a driving gear 19 for providing power for the sleeve discharging shaft 17, a driving tooth groove matched with the driving gear 19 is formed in the sleeve discharging shaft 17, the driving gear 19 is meshed with the driving tooth groove, a cutting shaft 20 is rotatably connected to the supporting shaft 18, a cutting knife 5 is fixedly connected to the periphery of the cutting shaft 20, a top wall of the accommodating box 2 is fixedly connected with a cutting motor 21, a cutting gear 22 is fixedly connected with an output shaft of the cutting motor 21, a cutting tooth groove matched with the cutting gear 22 is formed in the periphery of the cutting shaft 20, the cutting gear 22 is meshed with the cutting tooth groove, a supporting sleeve 23 is fixedly connected to the supporting shaft 18, a supporting sleeve 23 is fixedly connected with the supporting sleeve clamping sleeve 24, the sucking discs 6 are located on one side, the supporting sleeve 24 is located on the side, the clamping tube 24 far away from the supporting sleeve 23, the sheath is located between two sucking discs 6, and other driving shafts 16 are fixedly connected with the driving shaft 15. Drive shaft 16 through driving motor 15 and rotate, can carry sheath area 4, then cutting motor 21 drives cutting gear 22 and reciprocating rotation and then drives cutting knife 5 and cut sheath area 4, cut it into single sheath, then drive back shaft 18 through control motor and rotate, and then drive collet tube 24 and rotate, make two sucking discs 6 and single sheath laminating, the sucking disc 6 of being convenient for opens sheath bottom opening to the convenience is with the sheath cover on lower jaw holds in the palm 9.

According to a further optimized scheme, the lifting sleeve 8 is connected with two lifting gears 25 in a rotating mode, the lifting gears 25 are fixedly connected with output shafts of lifting motors, lifting racks matched with the lifting gears 25 are fixedly connected to the outer sides of the bracket supporting columns 7, the lifting gears 25 are meshed with the lifting racks, rotating gears 26 are fixedly connected to the bottoms of the bracket supporting columns 7, driving gears 27 are meshed with the rotating gears 26, the driving gears 27 are fixedly connected with output shafts of rotating motors 28, and the rotating motors 28 are fixedly connected with the base. Drive lifting gear 25 through elevator motor and rotate, and then drive lift cover 8 along the upper and lower motion of bracket pillar 7, drive driving gear 27 through rotating electrical machines 28 and rotate, and then drive rotating gear 26 and rotate, can drive whole bracket pillar 7 and rotate to be convenient for hold in the palm 9 with the lower jaw under the sheath or hold in the palm 9 with the lower jaw and move to the collection box 10 directly over.

Further optimize the scheme, the multidimensional driver including be located lift cover 8 and with lift cover 8 fixed connection's first motor 29, first motor 29 output shaft runs through lift cover 8 fixedly connected with transfer block 30, transfer block 30 internal fixedly connected with second motor 31, second motor 31 output shaft with bracket arm 32 fixed connection drives transfer block 30 through first motor 29 and rotates, can drive whole bracket arm 32 luffing motion, drives bracket arm 32 through second motor 31 and rotates, realizes bracket arm 32's rotation, and then can adjust the angle that lower jaw held in the palm 9.

According to the further optimization scheme, one end of the mandible support 9 is fixedly connected with a contact sensor 33, the mandible support 9 is provided with a suction sleeve opening 34, the suction sleeve opening 34 and the contact sensor 33 are located on the same side of the support arm 32, pneumatic tubes 35 are arranged in the mandible support 9 and the support arm 32, one end of each pneumatic tube 35 is communicated with the suction sleeve opening 34, the other end of each pneumatic tube 35 is communicated with a pneumatic press, and the pneumatic press is communicated with the suction cups 6 through the pneumatic tubes 35. The pneumatic press is an electric control multi-output port automatic switching bidirectional pneumatic pump, and can provide negative pressure for the sucking disc 6 and the lower jaw support 9 to generate an adsorption effect; air can also be delivered to the mandibular support 9 to blow open the object.

Further optimize the scheme, hold 2 diapalls of case and seted up the through-hole, be provided with lifter plate 36 in the through-hole, lifter plate 36 and sheath clamping shaft 12 fixed connection, lifter plate 36 and support 1 sliding connection. By controlling the elevation plate 36 to be raised and lowered, the elevation plate 36 can be lowered after the sheath roll 3 is used up, a new sheath roll 3 can be replaced, and the sheath roll 3 can be transported into the accommodating box 2.

Furthermore, the support 1 is provided with a limit pin which is positioned at the bottom of the lifting plate 36 and can limit the lifting plate 36, so that the lifting plate 36 cannot slide downwards in the working process.

In a further optimized scheme, a position sensor for monitoring the position of the lower jaw support 9 is arranged on the support 1, a detection sensor is arranged at the top of the bracket strut 7, and a belt breakage sensor is arranged on a driving shaft 16 close to the sheath clamping shaft 12. The detection sensor is an infrared human body detection sensor and is used for detecting the use condition of the bracket and feeding back information whether sleeve replacement is needed or not. The position sensor is an ultrasonic object approaching alignment sensor and can judge whether the lower jaw support is aligned to a new sheath on the sheath outlet mechanism. The contact sensor is a sensitive contact stress sensor and can feed back the information of whether the mandibular rest is in contact with the sheath or not. The belt breakage sensor is an object position sensitive contact sensor and can detect whether an object exists between corresponding driving shafts, so that whether the sheath belt passing through the belt breakage sensor is used up or not is judged.

In a further optimized scheme, the sheath is a disposable plastic sleeve with an opening at the lower part. The mandibular support 9 can move upwards conveniently to make the protective sleeve cover on the mandibular support 9.

Further optimization scheme, bracket arm 32 is the plastics arm that excels in, and bracket arm 32 can carry out multiple action, can reciprocate along the bracket post, can rotate around the pillar, can also the rotation and luffing motion. The lower jaw support 9 is made of high-strength flexible plastic, and the upper side of the lower jaw support is provided with a shallow arc-shaped notch externally-applied wear-resistant flexible anti-slip film.

According to a further optimization scheme, the automatic sleeve changing device further comprises a control auxiliary assembly, the control auxiliary assembly comprises a controller, the controller is a single-chip system microcontroller with a built-in memory, a CPU, an interface detection and driving circuit and a wireless communication module, and the controller can receive various detection signals and data information, send out control operation instructions and coordinate and control the automatic operation of the whole mechanism.

The working process of the invention is as follows: under the instruction control of a controller, a driving motor 15 drives a driving shaft 16 to rotate so as to convey the sheath belt 4, a cutting motor 21 drives a cutting gear 22 to rotate in a reciprocating manner so as to drive a cutting shaft 20 to rotate in a reciprocating manner so as to drive the cutting knife 5 to cut the sheath belt 4 into single sheaths, an algorithm in the controller calculates the conveying length so as to ensure that the cutting position of the cutting knife 5 is just the sealing interval between two sheaths, then a control motor drives a supporting shaft 18 to rotate in a reciprocating manner so as to drive a sheath clamping pipe 24 to rotate through a supporting sleeve 23, so that a sucker 6 opens the bottom of a single sheath under the action of an air compressor, then the angle of a mandible support 9 is adjusted so that one side of the mandible support 9 with a contact sensor 33 is vertically upward and is positioned under the sheaths, then, the lifting gear 25 is driven to rotate by the lifting motor, the height of the lower jaw support 9 is adjusted, when the sheath sleeve is arranged on the lower jaw support 9, the air compressor controls the suction disc 6 to stop sucking air and controls the suction sleeve opening 34 to suck air at the same time, so that the sheath is fixed on the lower jaw support 9, then the second motor controls the bracket arm 32 to rotate to enable the lower jaw support 9 to be flat for detection of a person to be detected, after detection is finished, the bracket arm 32 drives the lower jaw support 9 to rotate to the upper side of the recovery box 10, then the sheath is rotated for 90 degrees to enable the opening of the sheath to be upward, the air compressor changes suction of the suction sleeve opening into blowing air, the sheath is blown away from the lower jaw support 9 and falls off the recovery box 10, and then the next round of work is prepared.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a detect automatic device that trades of sampling bracket which characterized in that: comprises a sleeve discharging component and a sleeve changing component, wherein the sleeve changing component is positioned at one side of the sleeve discharging component, the sleeve discharging component comprises a bracket (1), the support (1) is fixedly connected with an accommodating box (2), a sheath roll (3) is rotationally arranged in the accommodating box (2), the sheath roll (3) comprises a sheath belt (4) wound into a roll, two driving shaft groups are rotationally connected in the containing box (2), the sheath belt (4) is positioned between the two driving shaft groups, any driving shaft group is connected with a moving part, a cutting knife (5) for cutting the sheath belt (4) into single sheaths and a sucker (6) for opening the sheaths are arranged in the containing box (2), the sleeve changing assembly comprises a bracket support (7) which is rotationally connected with the base, a lifting sleeve (8) is arranged on the bracket support (7), the lifting sleeve (8) moves up and down along the bracket support (7), a multi-dimensional driver is fixedly connected with the outer side of the lifting sleeve (8), a bracket arm (32) is fixedly connected with the multi-dimensional driver, the bracket arm (32) is fixedly connected with the bottom of the mandible support (9), an opening is arranged on one side of the containing box (2), the mandible support (9) is positioned under the sucker (6), and a recovery box (10) for recovering the sheath is arranged on one side, far away from the support (1), of the bracket support (7).

2. The automatic sleeve changing device for the detection sampling bracket of claim 1, wherein: motion portion include with hold axis of rotation (11) that case (2) roof is connected, hold case (2) interior fixedly connected with sheath clamping shaft (12), the sheath is rolled up (3) and is located sheath clamping shaft (12) week side, axis of rotation (11) are located sheath clamping shaft (12) top, axis of rotation (11) fixedly connected with opens and shuts pedestal (13), arbitrary the driving shaft unit mount open and shut on pedestal (13), another the driving shaft group with it connects to hold case (2) inner wall rotation, axis of rotation (11) fixedly connected with motor (14) that opens and shuts, open and shut pedestal (13) and it has to hold the equal fixed connection in case (2) top the driving shaft group provides driving motor (15) of power.

3. The automatic sleeve changing device for the detection sampling bracket of claim 2, wherein: the utility model discloses a cutting machine, including cutting box (2) roof fixedly connected with cutting motor (21), cutting motor (21) output shaft fixedly connected with cutting gear (22), cutting shaft (20) circumference offer with cutting gear (22) looks adaptation, cutting gear (22) with cutting gear (23) fixed connection have support sleeve (23), support shaft (23) support sleeve (23) and cover clamp shaft (17) in, be located the avris and keep away from in the driving shaft group drive shaft (16) for go out sleeve (17), it is provided with back shaft (18) to go out sleeve (17) interior running through, back shaft (18) fixedly connected with control motor (18), go out sleeve (17) rotate to be connected in back shaft (18) outside, for go out sleeve (17) and provide power driving motor (15) output shaft fixedly connected with drive gear (19) looks adaptation, drive gear (19) with drive gear meshes mutually, rotate on back shaft (18) and be connected with cutting shaft (20), cutting knife (5) fixed connection is in cutting shaft (20) week side, hold case (2) roof fixedly connected with cutting motor (21), cutting motor (21) output shaft fixedly connected with cutting gear (22), cutting shaft (20) circumference offer with cutting gear (22) looks adaptation, support sleeve (23), the sucking discs (6) are positioned on one side, away from the supporting sleeve (23), of the sleeve clamping pipe (24), the sheath is positioned between the two sucking discs (6), and the other driving shafts (16) are fixedly connected with the output shaft of the driving motor (15).

4. The automatic sleeve changing device for the detection sampling bracket of claim 1, wherein: the utility model discloses a lifting support, including lifting sleeve (8), lifting gear (25) fixedly connected with elevator motor output shaft, bracket pillar (7) outside fixedly connected with the lifting rack of lifting gear (25) looks adaptation, lifting gear (25) with the lifting rack meshes mutually, bracket pillar (7) bottom fixedly connected with rotating gear (26), rotating gear (26) meshing has driving gear (27), the output shaft of driving gear (27) fixedly connected with rotating motor (28), rotating motor (28) and base fixed connection.

5. The automatic sleeve changing device for the detection sampling bracket of claim 4, wherein: the multi-dimensional driver comprises a first motor (29) which is positioned in the lifting sleeve (8) and fixedly connected with the lifting sleeve (8), an output shaft of the first motor (29) penetrates through the lifting sleeve (8) and is fixedly connected with a transfer block (30), a second motor (31) is fixedly connected in the transfer block (30), and an output shaft of the second motor (31) is fixedly connected with the bracket arm (32).

6. The automatic sheath changing device for the detection sampling bracket of claim 5, wherein: lower jaw holds in palm (9) one end fixedly connected with contact sensor (33), lower jaw holds in the palm (9) and has been seted up and has inhaled linking (34), inhale linking (34) with contact sensor (33) are located bracket arm (32) homonymy, lower jaw holds in the palm (9) and be provided with pneumatic tube (35) in bracket arm (32), pneumatic tube (35) one end with inhale linking (34) intercommunication, pneumatic tube (35) other end intercommunication has the aerostatic press, the aerostatic press is linked together through pneumatic tube (35) and sucking disc (6).

7. The automatic sleeve changing device for the detection sampling bracket of claim 2, wherein: the through hole has been seted up to holding case (2) diapire, be provided with lifter plate (36) in the through hole, lifter plate (36) with sheath presss from both sides axle (12) fixed connection, lifter plate (36) with support (1) sliding connection.

8. The automatic sleeve changing device for the detection sampling bracket as claimed in claim 3, wherein: install the position sensor who monitors jaw support (9) position on support (1), detection sensor is installed at bracket pillar (7) top, is close to sheath clamp shaft (12) install disconnected area sensor on drive shaft (16).

9. The automatic sleeve changing device for the detection sampling bracket according to claim 1, characterized in that: the sheath is a disposable plastic sleeve with an opening at the lower part.