Carbon dioxide stuffy room entrance door control device

Abstract

The utility model discloses a carbon dioxide stuffy room entrance door control device which comprises two stand columns, a main transmission shaft between the stand columns and a rotating motor for driving the main transmission shaft to rotate at the tops of the stand columns, an upper chain wheel and a lower chain wheel are symmetrically installed on the outer sides of the stand columns in the vertical direction, and a chain is arranged between the upper chain wheel and the lower chain wheel in a sleeving mode. The rotating motor drives a chain to rotate through a main transmission shaft and an upper chain wheel, the chain is connected with a sliding block, a rotating shaft mounting base is installed on the inner side of the sliding block and matched with rotating shafts on the two sides of the entrance door, receding openings are formed in the rotating shaft mounting base in the upper direction and the lower direction, and a locking piece is installed in the rotating shaft mounting base. After the stuffy room hanging basket drives the rotating shafts on the two sides of the entrance door to be inserted into the rotating shaft installation bases, the two avoiding openings are closed to limit the rotating shafts, the two avoiding openings are opened when the entrance door falls to close the stuffy room hanging basket, then automatic opening and closing of the entrance door of the stuffy room hanging basket are achieved, and the pig slaughtering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon dioxide stun room equipment, in particular to a carbon dioxide stun room entrance door control device. Background Art

[0002] Most slaughterhouses use a specific power source to achieve the stunning effect on pigs. In recent years, the stunning method of using carbon dioxide has also appeared. Generally, the carbon dioxide machine is equipped with a suffocating room or a suffocating room basket, and the suffocating room basket is equipped with a pig entry door for pigs to enter the suffocating room basket to realize the transportation of pigs.

[0003] However, in the process of transporting pigs, how to realize the automatic opening and closing of the entrance door so that the pigs can enter quickly and be enclosed in the hanging basket of the stuffy room is an important factor affecting the slaughtering efficiency. So far, no more suitable automation means have been found. Utility Model Content

[0004] The utility model provides a carbon dioxide suffocation room entrance door control device, which is used for automatically opening and closing the entrance door of the suffocation room hanging basket on the carbon dioxide machine, and comprises two columns extending in the vertical direction and symmetrically distributed, wherein a main transmission shaft is vertically connected between the two columns through a bearing seat, and a rotating motor for driving the main transmission shaft to rotate in a directional manner is installed on the top of any of the columns;

[0005] An upper sprocket and a lower sprocket are symmetrically installed on the outer sides of the two columns in the vertical direction, wherein the two upper sprockets are coaxially sleeved on the two ends of the main transmission shaft, and a chain is sleeved between the upper sprocket and the lower sprocket in a supporting transmission manner, the chain is fixedly connected with a slider, the slider extends to the inner side of the corresponding column, a rotating shaft mounting seat is fixedly installed on the inner side of the slider, the rotating shaft mounting seat cooperates with the rotating shafts on both sides of the entrance door, and the rotating shaft mounting seat is symmetrically provided with avoidance openings for the passage of the rotating shaft in the vertical direction, and a locking piece is installed in the rotating shaft mounting seat , the locking member is configured to be able to synchronously close the two avoidance openings at a first predetermined moment to limit the rotating shaft, and to synchronously open the two avoidance openings at a second predetermined moment, wherein the carbon dioxide machine and the airtight room hanging basket are correspondingly installed with a first in-position sensor to determine the first predetermined moment after the airtight room hanging basket drives the rotating shafts on both sides of the entrance door to be inserted from top to bottom into the rotating shaft mounting seat, wherein the carbon dioxide airtight room entrance door control device is also provided with a second in-position sensor for monitoring the entrance door falling and closing into position to determine the second predetermined moment.

[0006] According to an embodiment of the utility model, the sliding block is sleeved on the surface of the column in a sliding fit manner.

[0007] According to an embodiment of the utility model, the chain is an open chain, and the two ends of the chain are respectively connected to the upper and lower ends of the slider, and cooperate with the slider to form a closed transmission structure.

[0008] According to one embodiment of the utility model, the shaft mounting seat is symmetrically provided with outwardly inclined guide plates at the top of the avoidance opening near the upper part, the bottom ends of the outwardly inclined guide plates are respectively connected to the opening walls of the avoidance opening, and the outwardly inclined guide plates gradually tilt outward from the bottom end to the top end.

[0009] According to one embodiment of the utility model, the locking member is implemented as symmetrically distributed locking blocks, and the locking blocks are embedded in the rotating shaft mounting seat in a sliding fit through the outer wall. The inner wall of the locking block is a planar structure, and the distance between the two locking blocks is greater than the outer diameter of the rotating shaft. The slider is provided with a rotating mechanism on the outside, and the output end of the rotating mechanism is connected to the two locking blocks at the same time to drive the two locking blocks to rotate in a directional manner in the rotating shaft mounting seat to open or close the avoidance opening.

[0010] According to an embodiment of the present invention, the rotating mechanism is implemented as a motor.

[0011] According to one embodiment of the utility model, the rotating mechanism includes a telescopic cylinder, a transfer rod and an auxiliary rotating shaft, wherein the telescopic cylinder is fixedly mounted on the slider, one end of the transfer rod is hinged to the piston rod of the telescopic cylinder, and the other end is vertically fixedly connected to the auxiliary rotating shaft, and the auxiliary rotating shaft is fixedly connected to the locking block via a rotating shaft seat on the slider.

[0012] According to an embodiment of the utility model, a drag chain is installed on the carbon dioxide machine to hold the connecting wires and air pipes of the telescopic cylinder.

[0013] According to an embodiment of the utility model, a third in-position sensor is installed on the slider and the column respectively, so as to control the rotating motor to stop rotating through the controller on the carbon dioxide machine after the chain drives the slider to rise a predetermined distance.

[0014] According to an embodiment of the utility model, at least one bearing support seat is provided on the top of the carbon dioxide machine in a supporting manner near the middle of the main transmission shaft, and the main transmission shaft passes through the bearing support seat.

[0015] Beneficial effect: The suffocating basket drives the entrance door to move from top to bottom. After the rotating shafts on both sides of the entrance door are inserted into the rotating shaft mounting seat, the carbon dioxide machine and the suffocating basket generate an induction signal through the first in-position sensor, and the locking parts synchronously close the two avoidance openings, fix the rotating shafts on both sides of the entrance door in the rotating shaft mounting seat, and then the rotary motor rotates, and the slider is driven to rise in a directional manner through the main transmission shaft and chain, and then the entrance door is opened through the rotating shaft mounting seat. After opening to a certain extent, the rotary motor stops running, and the pigs can enter the suffocating basket through the entrance door. The rotary motor maintains the preset time After a period of time, it rotates in the opposite direction to close the entrance door. When the second in-position sensor detects that the entrance door is closed in place, it opens the locking piece, and the rotating motor drives the slider to move up to a predetermined height through a chain. The rotating shafts on both sides of the entrance door are separated from the rotating shaft mounting seat through the avoidance opening below. At this time, the current stuffing room basket carries the pigs in the cage to flow into the next workstation, and the next stuffing room basket repeats the same action, driving the rotating shafts on both sides of the entrance door to be inserted into the rotating shaft mounting seat from top to bottom, and so on. The automatic opening and closing of the stuffing room basket entrance door can be realized, thereby effectively improving the efficiency of slaughtering pigs.

[0016] These and other purposes, features and advantages of the present invention are fully reflected in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a carbon dioxide stuffy room entrance door control device according to a preferred embodiment of the present application is shown.

[0018] Figure 2 Shows this application Figure 1 Schematic diagram of the enlarged structure of part A.

[0019] Figure 3 Shows this application Figure 1 Schematic diagram of the enlarged structure of part B.

[0020] Figure 4 A schematic diagram of the installation structure of the carbon dioxide stuffy room entrance door control device of the present application is shown. DETAILED DESCRIPTION

[0021] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0022] Those skilled in the art should understand that, in the disclosure of the specification, the orientation or position relationship indicated by the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be understood as limiting the present invention.

[0023] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0024] refer to Figures 1 to 4 A carbon dioxide suffocation room entrance door control device according to a preferred embodiment of the utility model will be described in detail below, wherein the carbon dioxide suffocation room entrance door control device is used to automatically open and close the entrance door 31 of the suffocation room hanging basket 30 on the carbon dioxide machine. Specifically, the carbon dioxide suffocation room entrance door control device includes two columns 10 extending in the vertical direction and symmetrically distributed, and a main transmission shaft 12 is vertically connected between the two columns 10 through a bearing seat 11, and a rotating motor 13 for driving the main transmission shaft 12 to rotate in a directional manner is installed on the top of any of the columns 10;

[0025] In addition, an upper sprocket 14 and a lower sprocket 15 are symmetrically installed on the outer sides of the two columns 10 in the vertical direction, and the two upper sprockets 14 are coaxially sleeved at both ends of the main transmission shaft 12, so that they can be driven by the main transmission shaft 12 to rotate synchronously and directional. In addition, a chain 16 is sleeved between the upper sprocket 14 and the lower sprocket 15 in a supporting transmission manner, and the chain 16 is fixedly connected to a slider 20, so that when the upper sprocket 14 rotates, the chain 16 can be driven to rotate directional, thereby driving the slider 20 to rise or fall directional. The slider 20 extends to the inner side of the corresponding column 10, and a rotating shaft mounting seat 21 is fixedly installed on the inner side of the slider 20. The rotating shaft mounting seat 21 cooperates with the rotating shafts 32 on both sides of the entrance door 31 of the stuffy room hanging basket 30, and the rotating shaft mounting seat 21 is symmetrically provided with avoidance openings 201 for the passage of the rotating shaft 32 in the vertical direction, and a locking member is installed in the rotating shaft mounting seat 21, wherein the locking member is configured to be able to synchronously close the two avoiding openings 201 at a first predetermined moment to limit the rotating shaft 32, and to synchronously open the two avoiding openings 201 at a second predetermined moment, wherein the carbon dioxide machine and the stuffy room hanging basket 30 are correspondingly installed with a first in-position sensor, so that the first predetermined moment is determined after the stuffy room hanging basket 30 drives the rotating shafts 32 on both sides of the entrance door 31 to be inserted into the rotating shaft mounting seat 21 from top to bottom, at this time, the rotating shaft 32 is locked in the rotating shaft mounting seat 21 by the locking member, thereby being able to drive the entrance door 31 to rise or fall, opening or closing the stuffy room hanging basket 30. The entrance door 31 on the air filter housing 30, wherein when the entrance door 31 is opened, the pigs can enter the air filter basket 30, and when the entrance door 31 is closed, the pigs will be confined in the air filter basket 30, wherein the carbon dioxide air filter housing entrance door control device is also provided with a second in-position sensor for monitoring the entrance door 31 to fall and close in position, so as to determine the second predetermined moment, and ensure that the pigs are confined in the air filter basket 30 through the entrance door 31, at this time, the locking member is reset to open the avoidance opening 201, and then the rotating motor 13 drives the slider 20 to move up a certain distance, and the current air filter basket 30 can carry the pigs to the next process, and the next air filter basket 30 drives the entrance door 31, and the shafts 32 on both sides of the entrance door 31 are inserted into the corresponding shaft mounting seat 21 again, and so on, the entrance door 31 of each air filter housing 30 can be automatically opened and closed, thereby effectively improving the efficiency of slaughtering pigs.

[0026] In one embodiment, the slider 20 is sleeved on the surface of the column 10 in a sliding fit manner.

[0027] In one embodiment, the chain 16 is an open chain, wherein the two ends of the chain 16 are respectively connected to the upper and lower ends of the slider 20, and cooperate with the slider 20 to form a closed transmission structure, so that the chain 16 can drive the slider 20 to rise or fall in a directional manner, while also saving longitudinal space and making the overall structure more compact.

[0028] In one embodiment, the rotating shaft mounting seat 21 is symmetrically provided with an outward-inclined guide plate 22 at the top of the avoiding opening 201 near the upper part, and the bottom ends of the outward-inclined guide plates 22 are respectively connected to the opening walls of the avoiding opening 201, and the outward-inclined guide plates 22 are gradually inclined outward from the bottom end to the top end, so as to guide the rotating shafts 32 on both sides of the entrance door 31, thereby improving the fault tolerance rate of the rotating shafts 32 smoothly entering the rotating shaft mounting seat 21.

[0029] In one embodiment, the locking member is implemented as a symmetrically distributed locking block 23, wherein the locking block 23 is embedded in the rotating shaft mounting seat 21 in a sliding manner through the outer wall, and the inner wall of the locking block 23 is a planar structure, and the distance between the two locking blocks 23 is greater than the outer diameter of the rotating shaft 32, so that the locking member can cooperate with the rotating shaft mounting seat 21 to limit the rotating shaft 32 on both sides of the entrance door 31, thereby driving the entrance door 31 to rise or fall, and can ensure that the rotating shaft 32 can be separated from the rotating shaft mounting seat 21 at the avoidance opening 201 below after the work is completed. In addition, the slider 20 is installed with a rotating mechanism on the outside, and the output end of the rotating mechanism is simultaneously connected to the two locking blocks 23 to drive the two locking blocks 23 on the rotating shaft mounting seat 21 to open or close the avoidance opening 201, wherein the rotating mechanism can be a motor, such as a servo motor, and can also include a telescopic cylinder 41, a transfer rod 42 and an auxiliary rotating shaft 43, wherein the telescopic cylinder 41 is fixedly mounted on the slider 20, wherein the transfer rod 42 is hinged to the piston rod of the telescopic cylinder 41 through one end, and is vertically fixedly connected to the auxiliary rotating shaft 43 through the other end, and the auxiliary rotating shaft 43 is fixedly connected to the locking block 23 through the rotating shaft seat 24 on the slider 20, so that the transfer rod 42 can be driven by the telescopic cylinder 41 to directional rotate with the auxiliary rotating shaft 43 as the rotation center, and then the two locking blocks 23 are driven by the auxiliary rotating shaft 43 to directional move in the rotating shaft mounting seat 21 to open or close the upper and lower avoidance openings 201.

[0030] In addition, in order to facilitate the cleanliness of the workstation, a drag chain 51 is installed on the carbon dioxide machine to hold the connecting wires and air pipes of the telescopic cylinder 41, which can also facilitate the rapid installation and maintenance of various electrical components.

[0031] On the one hand, the rising distance of the slider 20 can be determined according to the number of rotations of the rotating motor 13, that is, the rising distance of the entrance door 31, that is, the opening size of the stuffy room basket 30 can be determined. This may result in a problem of low control accuracy. On the other hand, a third in-position sensor can be correspondingly installed on the slider 20 and the column 10 to control the rotating motor 13 to stop rotating through the controller on the carbon dioxide machine after the chain 16 drives the slider 20 to rise a predetermined distance, so as to ensure the rising accuracy of the entrance door 31, that is, the accuracy of the opening size of the stuffy room basket 30, so as to facilitate pigs to enter the stuffy room basket 30.

[0032] In addition, when the size of the stuffy room hanging basket 30 is large, the distance between the two columns 10 may be far away, so the length of the main transmission shaft 12 will be relatively long, and there is a risk of low transmission accuracy or easy damage to the main transmission shaft 12. In one embodiment, at least one bearing support seat 17 is provided at the top of the carbon dioxide machine near the middle of the main transmission shaft 12 in a supporting manner, and the main transmission shaft 12 passes through the bearing support seat 17, wherein the number of the bearing support seats 17 can depend on the specific length of the main transmission shaft 12, which can be one or more.

[0033] It should be noted that the terms "first, second and third" in the present invention are only used for descriptive purposes and do not indicate any order. They cannot be understood as indicating or implying relative importance. These terms can be interpreted as names.

[0034] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A carbon dioxide chamber entrance door control device, used to automatically open and close the entrance door of the chamber hanging basket on a carbon dioxide machine, characterized in that: It comprises two columns extending in the vertical direction and symmetrically distributed, wherein a main transmission shaft is vertically connected between the two columns through a bearing seat, and a rotating motor for driving the main transmission shaft to rotate in a directional manner is installed on the top of any of the columns; An upper sprocket and a lower sprocket are symmetrically installed on the outer sides of the two columns in the vertical direction, wherein the two upper sprockets are coaxially sleeved on the two ends of the main transmission shaft, and a chain is sleeved between the upper sprocket and the lower sprocket in a supporting transmission manner, the chain is fixedly connected with a slider, the slider extends to the inner side of the corresponding column, a rotating shaft mounting seat is fixedly installed on the inner side of the slider, the rotating shaft mounting seat cooperates with the rotating shafts on both sides of the entrance door, and the rotating shaft mounting seat is symmetrically provided with avoidance openings for the passage of the rotating shaft in the vertical direction, and a locking piece is installed in the rotating shaft mounting seat , the locking member is configured to be able to synchronously close the two avoidance openings at a first predetermined moment to limit the rotating shaft, and to synchronously open the two avoidance openings at a second predetermined moment, wherein the carbon dioxide machine and the airtight room hanging basket are correspondingly installed with a first in-position sensor to determine the first predetermined moment after the airtight room hanging basket drives the rotating shafts on both sides of the entrance door to be inserted from top to bottom into the rotating shaft mounting seat, wherein the carbon dioxide airtight room entrance door control device is also provided with a second in-position sensor for monitoring the entrance door falling and closing into position to determine the second predetermined moment.

2. The carbon dioxide chamber entrance door control device according to claim 1, characterized in that: The sliding block is sleeved on the surface of the column in a sliding fit manner.

3. The carbon dioxide chamber entrance door control device as claimed in claim 2, characterized in that: The chain is an open chain, and the two ends of the chain are respectively connected to the upper and lower ends of the slider, and cooperate with the slider to form a closed transmission structure.

4. The carbon dioxide chamber entrance door control device as claimed in claim 2, characterized in that: The shaft mounting seat is symmetrically provided with outwardly inclined guide plates at the top of the avoidance opening near the upper part, the bottom ends of the outwardly inclined guide plates are respectively connected to the opening walls of the avoidance opening, and the outwardly inclined guide plates gradually tilt outward from the bottom end to the top end.

5. The carbon dioxide chamber entrance door control device as claimed in claim 4, characterized in that: The locking member is implemented as symmetrically distributed locking blocks, and the locking blocks are embedded in the rotating shaft mounting seat in a sliding fit through the outer wall. The inner wall of the locking block is a planar structure, and the distance between the two locking blocks is greater than the outer diameter of the rotating shaft. The slider is equipped with a rotating mechanism on the outside, and the output end of the rotating mechanism is connected to the two locking blocks at the same time to drive the two locking blocks to rotate in a directional manner in the rotating shaft mounting seat to open or close the avoidance opening.

6. The carbon dioxide chamber entrance door control device as claimed in claim 5, characterized in that: The rotating mechanism is implemented as an electric motor.

7. The carbon dioxide chamber entrance door control device as claimed in claim 5, characterized in that: The rotating mechanism includes a telescopic cylinder, a transfer rod and an auxiliary rotating shaft, wherein the telescopic cylinder is fixedly mounted on the slider, one end of the transfer rod is hinged to the piston rod of the telescopic cylinder, and the other end is vertically fixedly connected to the auxiliary rotating shaft, and the auxiliary rotating shaft is fixedly connected to the locking block via a rotating shaft seat on the slider.

8. The carbon dioxide chamber entrance door control device as claimed in claim 7, characterized in that: The carbon dioxide machine is provided with a drag chain for accommodating the connecting wires and the air pipe of the telescopic cylinder.

9. The carbon dioxide chamber entrance door control device as claimed in claim 8, characterized in that: The slider and the column are correspondingly provided with third in-position sensors, so as to control the rotating motor to stop rotating through the controller on the carbon dioxide machine after the slider is driven by the chain to rise a predetermined distance.

10. The carbon dioxide chamber entrance door control device according to claim 1, characterized in that: At least one bearing support seat is provided on the top of the carbon dioxide generator in a supporting manner near the middle of the main transmission shaft, and the main transmission shaft passes through the bearing support seat.

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