Cattle and sheep embryo incubator

Abstract

The invention relates to the technical field of culture devices, in particular to a cattle and sheep embryo culture box which comprises a box body and a culture assembly. The culture assembly comprises a grid, a belt wheel bearing seat, a butt joint iron block, a driving mechanism, an electromagnet, a sealing door, a transfer box, a box door, a locking mechanism, an air inlet valve and an air outlet valve; when the culture dishes are taken out, the sealing door is opened, the driving mechanism moves the belt wheel bearing seat to the transfer box, the electromagnet is powered off, the driving mechanism drives the electromagnet to reset, the sealing door is closed, the box door is opened, and the culture dishes in the belt wheel bearing seat are taken out; after observation, putting the culture dish back to the bearing seat with the wheels, closing a box door, connecting an air source, opening an air inlet valve and an air outlet valve, exhausting air in the transfer box by using clean air, closing the air inlet valve and the air outlet valve, opening a sealing door, electrifying an electromagnet, pulling the bearing seat back to the culture cavity by a driving mechanism, and closing the sealing door; therefore, the internal environment can be prevented from being polluted when the culture dish of a certain interlayer is independently taken out.

Description

Technical Field

[0001] The invention relates to the technical field of culture devices, and in particular to a cattle and sheep embryo culture box. Background Art

[0002] Artificial insemination technology for cattle and sheep has become very popular in my country. It has played an important role in improving the breeds of cattle and sheep in my country. The coverage rate of improved breeds has been continuously improved, which has promoted the development of my country's national economy. The cattle and sheep embryo incubator is a device specially used for in vitro cultivation of cattle and sheep embryos. It can provide a suitable growth environment for the embryos and improve the survival rate and success rate of the embryos.

[0003] In the prior art, multiple compartments are arranged inside the incubator for embryos of cattle and sheep, each of which can hold a culture dish. By controlling the internal environmental factors, such as temperature, humidity and concentration of various gases, a good culture environment is provided for the embryos.

[0004] However, when adopting the above method, when taking out the culture dish of a certain compartment, the box door needs to be opened, which easily causes the air inside and outside the cattle and sheep embryo incubator to exchange, causing pollution to the environment inside the cattle and sheep embryo incubator. Summary of the invention

[0005] The purpose of the present invention is to provide a cattle and sheep embryo culture box to prevent the internal environment from being polluted when a culture dish of a certain compartment is taken out separately.

[0006] To achieve the above-mentioned purpose, the present invention provides a cattle and sheep embryo incubator, comprising a box body;

[0007] It also includes a cultivation component;

[0008] The culture assembly comprises two mesh grids, three wheeled bearing seats, three docking iron blocks, three driving mechanisms, three electromagnets, three sealing doors, three transfer boxes, three box doors, six locking mechanisms, three air inlet valves and three air outlet valves;

[0009] The two mesh grilles are respectively fixedly arranged inside the box body, dividing the inside of the box body into three mutually connected culture chambers; a pulley bearing seat is placed in each culture chamber; a docking iron block is fixedly arranged on one side of each pulley bearing seat; a driving mechanism is arranged in each culture chamber; an electromagnet is fixedly arranged on each driving mechanism; the driving mechanism is used to drive the electromagnet to move; a sealing door is arranged at the opening of each culture chamber; three transfer boxes are respectively fixedly arranged on one side of the box body; a box door is rotatably arranged on each transfer box; two locking mechanisms are arranged on each transfer box; one side of each transfer box is connected to an air inlet valve; and one side of each transfer box away from the air inlet valve is connected to an air outlet valve.

[0010] Wherein, the pulley bearing seat comprises a placement box and a plurality of rollers;

[0011] The placement box is located in the culture chamber; and a plurality of rollers are rotatably disposed at the bottom of the placement box.

[0012] Wherein, the driving mechanism includes two guide rods, a slider, a connecting rod, a screw rod and a motor;

[0013] The two guide rods are fixedly connected to the box body and are respectively located in the culture chamber; the slider is slidably arranged on the two guide rods; the connecting rod is fixedly connected to the slider and the electromagnet and is located at the bottom of the slider; the screw rod is rotatably connected to the box body and is threadedly connected to the slider and passes through the slider; the motor is fixedly connected to the box body and is located in the culture chamber; the output end of the motor is fixedly connected to the screw rod.

[0014] Wherein, the sealed door comprises a door frame, a rotating shaft, a rotating door, a steering gear, a driving gear and a driven gear;

[0015] The door frame is fixedly connected to the box body and is located at the opening of the culture chamber; the rotating shaft is rotatably arranged on the top of the door frame; the rotating door is fixedly connected to the rotating shaft and is located on one side of the rotating shaft; the steering gear is fixedly arranged on the top of the door frame; the driving gear is fixedly arranged at the output end of the steering gear; the driven gear is fixedly arranged on the rotating shaft and meshes with the driving gear.

[0016] Wherein, the locking mechanism comprises a mounting seat, a rotating block, a screw rod, a knob and a U-shaped frame;

[0017] The mounting seat is fixedly arranged on the side of the transfer box; the rotating block is rotatably arranged in the mounting seat; the screw is fixedly arranged on one side of the rotating block; the knob is threadedly connected to the screw and is located on one side of the screw; the U-shaped frame is fixedly arranged on one side of the box door.

[0018] Wherein, the culture assembly further comprises three handles;

[0019] The three handles are fixedly arranged on one side of the three box doors respectively.

[0020] Wherein, the culture assembly further comprises a support frame and two legs;

[0021] The support frame is fixedly connected to the three transfer boxes respectively and is located at the sides of the three transfer boxes; the two legs are fixedly arranged at the bottom of the support frame respectively.

[0022] Wherein, the culture assembly further comprises six guide rails;

[0023] Two guide rails are fixedly arranged in each transfer box.

[0024] The present invention provides an embryo incubator for cattle and sheep, wherein the box body is an embryo incubator in the prior art, and the temperature, humidity and concentrations of various gases inside the box body can be intelligently controlled; the two mesh grilles divide the internal space inside the box body into three culture chambers, so the three culture chambers are also interconnected, and the three culture chambers are three compartments; the wheeled support seat is used to place a culture dish, and the two sides of the wheeled support seat are in contact with the two side walls of the culture chamber, so the wheeled support seat can be accurately moved into or out of the culture chamber without deviation; the driving mechanism is used to drive The electromagnet moves, and the electromagnet is energized to be adsorbed and docked with the docking iron block. The sealed door is used to seal the opening of the culture chamber to prevent the exchange of external air and contamination of the internal environment of the culture chamber. The box door is locked by the two locking mechanisms, and the transfer box is also sealed to prevent it from being polluted by external air. When it is necessary to take out a culture dish in the culture chamber for observation, the sealed door is opened, the electromagnet is energized to adsorb the docking iron block, and the driving mechanism pushes the electromagnet, thereby pushing the wheeled bearing seat out of the culture chamber and into the transfer box, and then After that, the electromagnet is powered off, and the driving mechanism drives the electromagnet to move back into the culture chamber, close the sealing door, release the locking mechanism, open the box door, and then take out the wheeled support from the transfer box and take out the culture dish; when the observation is completed, put the culture dish back into the wheeled support, then put the wheeled support back into the transfer box, close the box door, lock it with the locking mechanism, connect the air source to the air inlet valve, the gas of the air source is clean gas that can culture embryos, open the air inlet valve and the air outlet valve, and use the clean gas to transfer the culture dish into the transfer box. All the air entering from the outside is discharged, and only the clean gas for culturing embryos is left in the transfer box. The air inlet valve and the air outlet valve are closed, and then the sealed door is opened. The driving mechanism drives the electromagnet to approach the docking iron block, and the electromagnet is energized to adsorb the docking iron block. Driven by the driving mechanism, the supporting seat is pulled back into the culture chamber, and finally the sealed door is closed. In the above manner, the culture chamber is not exchanged with the external air throughout the whole process and will not be contaminated, thereby preventing the internal environment from being contaminated when the culture dish of a certain compartment is taken out separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0026] Figure 1 The present invention is a schematic structural diagram of a cattle and sheep embryo incubator.

[0027] Figure 2 yes Figure 1 A partial enlargement of detail A.

[0028] Figure 3 It is a front view of a cattle and sheep embryo incubator of the present invention.

[0029] Figure 4 yes Figure 3 Cross-sectional view along the AA direction.

[0030] Figure 5 yes Figure 4 A partial enlargement of detail B.

[0031] Figure 6 It is another cross-sectional structural schematic diagram of a cattle and sheep embryo incubator of the present invention.

[0032] Figure 7 yes Figure 6 A partial enlargement of detail C.

[0033] 1-box body, 2-grid, 3-wheel bearing seat, 4-docking iron block, 5-driving mechanism, 6-electromagnet, 7-sealed door, 8-transfer box, 9-box door, 10-locking mechanism, 11-inlet valve, 12-outlet valve, 13-culture chamber, 14-handle, 15-support frame, 16-foot, 17-guide rail, 31-placement box, 32-roller, 51-guide rod, 52-slider, 53-connecting rod, 54-screw rod, 55-motor, 71-door frame, 72-rotating shaft, 73-rotating door, 74-servo, 75-driving gear, 76-driven gear, 101-mounting seat, 102-rotating block, 103-screw rod, 104-knob, 105-U-shaped frame. DETAILED DESCRIPTION

[0034] See also Figure 1-Figure 7 ,in, Figure 1 The present invention is a schematic structural diagram of a cattle and sheep embryo incubator. Figure 2 yes Figure 1 A partial enlargement of detail A. Figure 3 It is a front view of a cattle and sheep embryo incubator of the present invention. Figure 4 yes Figure 3 Cross-sectional view along the AA direction. Figure 5 yes Figure 4 A partial enlargement of detail B. Figure 6 It is another cross-sectional structural schematic diagram of a cattle and sheep embryo incubator of the present invention. Figure 7 yes Figure 6 A partial enlargement of detail C.

[0035] The present invention provides a cattle and sheep embryo incubator, comprising a box body 1; and a culture assembly; the culture assembly comprises two mesh grilles 2, three belt wheel bearing seats 3, three docking iron blocks 4, three driving mechanisms 5, three electromagnets 6, three sealing doors 7, three transfer boxes 8, three box doors 9, six locking mechanisms 10, three air inlet valves 11 and three air outlet valves 12; the two mesh grilles 2 divide the interior of the box body 1 into three mutually connected culture chambers 13; the belt wheel bearing seat 3 comprises a placement box 31 and a plurality of rollers 32 The driving mechanism 5 includes two guide rods 51, a slider 52, a connecting rod 53, a screw rod 54 and a motor 55; the sealing door 7 includes a door frame 71, a rotating shaft 72, a rotating door 73, a steering gear 74, a driving gear 75 and a driven gear 76; the locking mechanism 10 includes a mounting seat 101, a rotating block 102, a screw rod 103, a knob 104 and a U-shaped frame 105; the culture assembly also includes three handles 14; the culture assembly also includes a support frame 15 and two legs 16; the culture assembly also includes six guide rails 17. Through the above scheme, it is prevented that the internal environment is polluted when a culture dish of a certain compartment is taken out separately.

[0036] Furthermore, the two mesh grilles 2 are respectively fixedly arranged inside the box body 1, dividing the inside of the box body 1 into three mutually connected culture chambers 13; a pulley support seat 3 is placed in each of the culture chambers 13; a docking iron block 4 is fixedly arranged on one side of each of the pulley support seats 3; a driving mechanism 5 is arranged in each of the culture chambers 13; an electromagnet 6 is fixedly arranged on each of the driving mechanisms 5; the driving mechanism 5 is used to drive the electromagnet 6 to move; a sealing door 7 is arranged at the opening of each of the culture chambers 13; three transfer boxes 8 are respectively fixedly arranged on one side of the box body 1; a box door 9 is rotatably arranged on each of the transfer boxes 8; two locking mechanisms 10 are arranged on each of the transfer boxes 8; one side of each of the transfer boxes 8 is connected to an air inlet valve 11; and one side of each of the transfer boxes 8 away from the air inlet valve 11 is connected to an air outlet valve 12.

[0037] In this embodiment, the box body 1 is an embryo incubator in the prior art, and the temperature, humidity and concentration of various gases inside the box body 1 can be intelligently controlled; the two mesh grilles 2 divide the internal space in the box body 1 into three culture chambers 13, so the three culture chambers 13 are also interconnected, and the three culture chambers 13 are three compartments, and the mesh grilles 2 can only circulate air up and down, and the four sides are installation frames; the wheeled support seat 3 is used to place the culture dish, and the two sides of the wheeled support seat 3 are in contact with the two side walls of the culture chamber 13, so the wheeled support seat 3 can be accurately moved into the culture chamber 13 or moved out of the culture chamber 13 without deviation; The driving mechanism 5 is used to drive the electromagnet 6 to move. The electromagnet 6 can be adsorbed and docked with the docking iron block 4 when it is energized. The sealing door 7 is used to seal the opening of the culture chamber 13 to prevent the exchange of external air and the contamination of the internal environment of the culture chamber 13. The box door 9 is locked by the two locking mechanisms 10, and the transfer box 8 is also sealed to prevent it from being polluted by the outside air. When it is necessary to take out a culture dish in a culture chamber 13 for observation, the sealing door 7 is opened, the electromagnet 6 is energized, the docking iron block 4 is adsorbed, and the driving mechanism 5 pushes the electromagnet 6, thereby pushing the wheeled bearing seat 3 out of the culture chamber 13 and moving it out to The electromagnet 6 is then powered off, and the driving mechanism 5 drives the electromagnet 6 to move back into the culture chamber 13, close the sealing door 7, release the locking mechanism 10, and open the box door 9, so that the wheeled support seat 3 can be taken out of the transfer box 8 and the culture dish can be taken out; when the observation is completed, the culture dish is put back into the wheeled support seat 3, and then the wheeled support seat 3 is put back into the transfer box 8, and the box door 9 is closed and locked with the locking mechanism 10, and the air source is connected to the air inlet valve 11, the gas of the air source is a clean gas that can be used to culture embryos, and the air inlet valve 11 and the air outlet valve 12 are opened to use the clean gas to culture embryos. All the air entering from the outside into the transfer box 8 is exhausted, and only the clean gas for culturing embryos is left in the transfer box 8. The air inlet valve 11 and the air outlet valve 12 are closed, and then the sealing door 7 is opened. The driving mechanism 5 drives the electromagnet 6 to approach the docking iron block 4. The electromagnet 6 is energized to adsorb the docking iron block 4. Driven by the driving mechanism 5, the supporting seat is pulled back into the culture chamber 13, and finally the sealing door 7 is closed. In the above manner, the culture chamber 13 is not exchanged with the external air throughout the whole process and will not be contaminated, thereby preventing the internal environment from being contaminated when the culture dish of a certain compartment is taken out separately.

[0038] Furthermore, the placement box 31 is located in the culture chamber 13 ; and a plurality of rollers 32 are rotatably disposed at the bottom of the placement box 31 .

[0039] In this embodiment, the placement box 31 has a placement cavity inside for placing a culture dish for culturing embryos. The purpose of providing a plurality of rollers 32 is to allow the placement box 31 to move in and out more smoothly.

[0040] Furthermore, the two guide rods 51 are respectively fixedly connected to the box body 1 and are respectively located in the culture chamber 13; the slider 52 is slidably set on the two guide rods 51; the connecting rod 53 is fixedly connected to the slider 52 and is fixedly connected to the electromagnet 6, and is located at the bottom of the slider 52; the screw rod 54 is rotatably connected to the box body 1, and is threadedly connected to the slider 52 and passes through the slider 52; the motor 55 is fixedly connected to the box body 1 and is located in the culture chamber 13; the output end of the motor 55 is fixedly connected to the screw rod 54.

[0041] In this embodiment, the two guide rods 51 are used to install the slider 52 , the motor 55 drives the screw rod 54 to rotate, the screw rod 54 drives the slider 52 to slide, and the slider 52 drives the electromagnet 6 to move through the connecting rod 53 .

[0042] Furthermore, the door frame 71 is fixedly connected to the box body 1 and is located at the opening of the culture chamber 13; the rotating shaft 72 is rotatably set at the top of the door frame 71; the rotating door 73 is fixedly connected to the rotating shaft 72 and is located on one side of the rotating shaft 72; the servo 74 is fixedly set at the top of the door frame 71; the driving gear 75 is fixedly set at the output end of the servo 74; the driven gear 76 is fixedly set on the rotating shaft 72 and meshes with the driving gear 75.

[0043] In this embodiment, the door frame 71 is fixed at the opening of the culture chamber 13, the servo 74 drives the driving gear 75, the driving gear 75 drives the driven gear 76, the driven gear 76 drives the rotating shaft 72 to rotate, and the rotating shaft 72 drives the rotating door 73 to achieve the opening or closing action; when the rotating door 73 rotates to a vertical state, the door frame 71 is sealed, thereby sealing the culture chamber 13, and when it is opened, it rotates to a horizontal state.

[0044] Furthermore, the mounting seat 101 is fixedly arranged on the side of the transfer box 8; the rotating block 102 is rotatably arranged in the mounting seat 101; the screw rod 103 is fixedly arranged on one side of the rotating block 102; the knob 104 is threadedly connected to the screw rod 103 and is located on one side of the screw rod 103; the U-shaped frame 105 is fixedly arranged on one side of the box door 9.

[0045] In this embodiment, a rotating block 102 is installed in the mounting seat 101, and a screw rod 103 is installed on the rotating block 102, so that the screw rod 103 can rotate horizontally, and the knob 104 can rotate at one end of the screw rod 103, so that the knob 104 moves toward the rotating block 102 or away from the rotating block 102. After closing the box door 9, the screw rod 103 is rotated to the inner side of the U-shaped frame 105, and then the knob 104 is tightened so that the knob 104 is pressed against the U-shaped block; when the box door 9 needs to be opened, the knob 104 is turned to move the knob 104 away from the rotating block 102, and then the screw rod 103 is rotated to move the screw 103 out of the U-shaped frame 105.

[0046] Furthermore, the three handles 14 are fixedly arranged on one side of the three door 9 respectively.

[0047] In this embodiment, the handle 14 is used to conveniently rotate upward to open the door 9.

[0048] Furthermore, the support frame 15 is fixedly connected to the three transfer boxes 8 respectively and is located on the sides of the three transfer boxes 8 ; the two legs 16 are fixedly disposed at the bottom of the support frame 15 respectively.

[0049] In this embodiment, the three transfer boxes 8 are all suspended, so the support frame 15 is provided for reinforcement, and the bottom of the support frame 15 is supported by the two supporting legs 16 .

[0050] Furthermore, two guide rails 17 are fixedly disposed in each transfer box 8 .

[0051] In this embodiment, two slide grooves are correspondingly arranged on both sides of the placement box 31. When the placement box 31 is moved from the culture chamber 13 to the transfer box 8, the two guide rails 17 are just inserted into the two slide grooves; similarly, when the placement box 31 is placed into the transfer box 8 from the outside, the two slide grooves can also be aligned with the two guide rails 17 to position the placement box 31 so that the docking iron block 4 is just aligned with the electromagnet 6. The electromagnet 6 is moved out of the culture chamber 13 into the transfer box 8 by the driving mechanism 5, and can just be adsorbed by the docking iron block 4.

[0052] The incubator for cattle and sheep embryos described in this embodiment, when it is necessary to take out a culture dish in a certain culture chamber 13 for observation, the sealed door 7 is opened, the electromagnet 6 is energized, the docking iron block 4 is adsorbed, the driving mechanism 5 pushes the electromagnet 6, thereby pushing the pulley bearing seat 3 out of the culture chamber 13 and into the transfer box 8, then the electromagnet 6 is powered off, the driving mechanism 5 drives the electromagnet 6 to move back into the culture chamber 13, the sealed door 7 is closed, the locking mechanism 10 is released, the box door 9 is opened, the pulley bearing seat 3 can be taken out of the transfer box 8, and the culture dish can be taken out; when the observation is completed, the culture dish is put back into the pulley bearing seat 3, and then the pulley bearing seat 3 is put back into the transfer box 8, and the box door 9 is closed and locked with the locking mechanism 10, The air inlet valve 11 is connected to an air source, the gas of which is clean gas for culturing embryos, the air inlet valve 11 and the air outlet valve 12 are opened, and the air entering from the outside into the transfer box 8 is completely discharged by the clean gas, leaving only the clean gas for culturing embryos in the transfer box 8, the air inlet valve 11 and the air outlet valve 12 are closed, and then the sealing door 7 is opened, and the driving mechanism 5 drives the electromagnet 6 to approach the docking iron block 4, the electromagnet 6 is energized to adsorb the docking iron block 4, and driven by the driving mechanism 5, the supporting seat is pulled back into the culture chamber 13, and finally the sealing door 7 is closed; by adopting the above method, the culture chamber 13 is not exchanged with the external air throughout the whole process and will not be contaminated, thereby preventing the internal environment from being contaminated when the culture dish of a certain compartment is taken out separately.

[0053] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A cattle and sheep embryo incubator, comprising a box body; characterized in that: It also includes a cultivation component; The culture assembly comprises two mesh grids, three wheeled bearing seats, three docking iron blocks, three driving mechanisms, three electromagnets, three sealing doors, three transfer boxes, three box doors, six locking mechanisms, three air inlet valves and three air outlet valves; The two mesh grilles are respectively fixedly arranged inside the box body, dividing the inside of the box body into three mutually connected culture chambers; a pulley bearing seat is placed in each culture chamber; a docking iron block is fixedly arranged on one side of each pulley bearing seat; a driving mechanism is arranged in each culture chamber; an electromagnet is fixedly arranged on each driving mechanism; the driving mechanism is used to drive the electromagnet to move; a sealing door is arranged at the opening of each culture chamber; three transfer boxes are respectively fixedly arranged on one side of the box body; a box door is rotatably arranged on each transfer box; two locking mechanisms are arranged on each transfer box; one side of each transfer box is connected to an air inlet valve; and one side of each transfer box away from the air inlet valve is connected to an air outlet valve.

2. A cattle and sheep embryo incubator as claimed in claim 1, characterized in that: The wheel bearing seat comprises a placement box and a plurality of rollers; The placement box is located in the culture chamber; and a plurality of rollers are rotatably disposed at the bottom of the placement box.

3. A cattle and sheep embryo incubator as claimed in claim 2, characterized in that: The driving mechanism comprises two guide rods, a slider, a connecting rod, a lead screw and a motor; The two guide rods are fixedly connected to the box body and are respectively located in the culture chamber; the slider is slidably arranged on the two guide rods; the connecting rod is fixedly connected to the slider and the electromagnet and is located at the bottom of the slider; the screw rod is rotatably connected to the box body and is threadedly connected to the slider and passes through the slider; the motor is fixedly connected to the box body and is located in the culture chamber; the output end of the motor is fixedly connected to the screw rod.

4. A cattle and sheep embryo incubator as claimed in claim 3, characterized in that: The sealed door comprises a door frame, a rotating shaft, a rotating door, a steering gear, a driving gear and a driven gear; The door frame is fixedly connected to the box body and is located at the opening of the culture chamber; the rotating shaft is rotatably arranged on the top of the door frame; the rotating door is fixedly connected to the rotating shaft and is located on one side of the rotating shaft; the steering gear is fixedly arranged on the top of the door frame; the driving gear is fixedly arranged at the output end of the steering gear; the driven gear is fixedly arranged on the rotating shaft and meshes with the driving gear.

5. A cattle and sheep embryo incubator as claimed in claim 4, characterized in that: The locking mechanism includes a mounting seat, a rotating block, a screw rod, a knob and a U-shaped frame; The mounting seat is fixedly arranged on the side of the transfer box; the rotating block is rotatably arranged in the mounting seat; the screw is fixedly arranged on one side of the rotating block; the knob is threadedly connected to the screw and is located on one side of the screw; the U-shaped frame is fixedly arranged on one side of the box door.

6. A cattle and sheep embryo incubator as claimed in claim 5, characterized in that: The culture assembly also includes three handles; The three handles are fixedly arranged on one side of the three box doors respectively.

7. A cattle and sheep embryo incubator as claimed in claim 6, characterized in that: The culture assembly also includes a support frame and two legs; The support frame is fixedly connected to the three transfer boxes respectively and is located at the sides of the three transfer boxes; the two legs are fixedly arranged at the bottom of the support frame respectively.

8. The cattle and sheep embryo incubator according to claim 7, characterized in that: The culture assembly also includes six guide rails; Two guide rails are fixedly arranged in each transfer box.

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