Single-head economical sperm freezing tube racking machine

Abstract

A single-head economical sperm freezing tube racking machine comprises a main motor, a first supporting plate, a supporting frame, a curve guide rail, a driven wheel and a cam which are arranged on a base, and the curve guide rail, the cam and the driven wheel are coaxial. The main motor drives the driven wheel, the curve guide rail and the cam to rotate; a pipe discharging mechanism, a filling mechanism and a sealing mechanism are arranged on the supporting frame; the tube discharging mechanism comprises a tube containing box, a tube discharging roller, a tube guiding wheel and a tube discharging motor, the filling mechanism comprises a supporting seat, a second supporting plate, a peristaltic pump, a guiding bearing, a guiding plate, a left filling needle base, a right filling needle base, a left filling needle support, a right filling needle support, a left filling needle, a right filling needle and a connecting arm, and the sealing mechanism comprises a third supporting plate, a welding guiding arm, a Y-shaped connector, a rolling wheel, a tension spring, a welding head and a welding seat. The sperm freezing tube filling machine has the advantages that the tube discharging mechanism, the filling mechanism and the sealing mechanism are driven by the main motor to operate, two motors and related software and hardware thereof are omitted, efficiency is high, cost is low, and the finished product quality and production efficiency of sperm freezing tubes are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of frozen semen tube packaging, and more specifically, to a single-head economical frozen semen tube packaging machine. Background Art

[0002] The existing frozen semen tube packaging machine includes three mechanisms: a tube lowering mechanism, a filling mechanism, and a sealing mechanism. The three mechanisms are driven by their own motors to complete their corresponding functions, that is, the tube lowering mechanism first moves the frozen semen tube to a suitable position, then the filling mechanism fills the animal semen into the frozen semen tube, and finally the sealing mechanism seals the tube to complete the frozen semen tube packaging. It has the following defects: the three mechanisms of the equipment use a total of three motors, which is expensive; moreover, the three motors require corresponding control software and hardware, which further increases its production cost. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a single-head economical frozen semen tube packaging machine to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a single-head economical frozen semen tube packaging machine, comprising a base, characterized in that: on the base, a main motor, a first support plate, and a support frame are arranged in sequence from right to left; a curved guide rail is arranged between the first support plate and the support frame, a driven wheel is arranged on the right side of the first support plate, and a cam is arranged on the left side of the support frame, and the curved guide rail, the cam, and the driven wheel are coaxial; the main motor drives the driven wheel to rotate, and the driven wheel drives the curved guide rail and the cam to rotate; the cam includes a left cam and a right cam; a curved groove is arranged on the curved guide rail;

[0005] The support frame is provided with a lower pipe mechanism, a filling mechanism, and a sealing mechanism in order from top to bottom;

[0006] The lower tube mechanism includes a tube box, a lower tube roller, a duct wheel, and a lower tube motor. The tube box is connected to the upper part of the support frame, including three vertical plates and a front inclined plate, presenting a shape that is wide at the top and narrow at the bottom; two through holes are arranged at corresponding positions at the lower parts of the left and right vertical plates of the tube box, and the two ends of the lower tube roller are respectively inserted into the two through holes; the top and bottom of the tube box are both open, the lower tube roller is located above the bottom opening, and the duct wheel is located below the bottom opening; a guide plate is arranged above the lower tube roller, and an interval is arranged between the guide plate and the rear vertical plate of the tube box The lower tube roller is located at the gap; the lower tube motor is arranged on the support frame, driving and connecting the lower tube roller to rotate, and the circumferential surface of the lower tube roller is provided with a first guide tube groove; the circumferential surface of the guide tube wheel is provided with a second guide tube groove, and the upper part of the circumferential surface of the guide tube wheel is provided with a guide tube sheath, and a certain interval is provided between the guide tube sheath and the circumferential surface of the guide tube wheel; both ends of the guide tube wheel rotating shaft are arranged on the support frame, and a shift fork is arranged on the right part of the guide tube wheel rotating shaft and the left side of the support frame, and the shift fork is located above the left cam and is linked with the left cam;

[0007] The filling mechanism comprises a support seat, a second support plate, a peristaltic pump, a guide bearing, a guide plate, a left filling needle base and a right filling needle base, a left filling needle bracket and a right filling needle bracket, a left filling needle and a right filling needle, and a connecting arm. The support seat is arranged at the front of the base, the peristaltic pump is arranged on the support seat, and a transverse guide rail is arranged on the top of the support seat; the left filling needle base and the right filling needle base are arranged on the transverse guide rail and can reciprocate left and right along the transverse guide rail;

[0008] The left filling needle base and the right filling needle base are connected by the connecting arm; the guide plate is arranged on the second supporting plate, the middle part of which is movably connected to the top of the second supporting plate, the front end of which is movably connected to the right filling needle base, and the rear end of which is connected to the guide bearing; the guide bearing is arranged on the curved guide rail, and can make reciprocating curved motion along the curved groove arranged on the curved guide rail, so that the guide plate drives the right filling needle base to make left and right lateral motion along the lateral guide rail at the top of the supporting seat; the right filling needle base drives the left filling needle base to make left and right lateral motion along the lateral guide rail at the top of the supporting seat through the connecting arm, and the left filling needle base and the right filling needle base move towards each other;

[0009] The left filling needle bracket and the right filling needle bracket are respectively arranged on the left filling needle base and the right filling needle base, and the left filling needle and the right filling needle are respectively arranged on the left filling needle bracket and the right filling needle bracket; the left filling needle and the right filling needle move synchronously with the left filling needle base and the right filling needle base, and the two move towards each other; when they are close to each other, the left filling needle and the right filling needle can respectively insert the left end and the right end of the frozen sperm tube therein; when they are far away from each other, the left filling needle and the right filling needle can respectively leave the left end and the right end of the frozen sperm tube;

[0010] The sealing mechanism comprises a third support plate, a welding guide arm, a "Y"-shaped connector, a roller, a tension spring, a welding head, and a welding seat. The third support plate is arranged behind the support seat and on the base, and the middle part of the welding guide arm is movably connected to the third support plate; the right end of the welding guide arm is provided with the "Y"-shaped connector, and the roller is installed on the "Y"-shaped connector, and the roller abuts against the right cam; the left end of the welding guide arm is connected to the welding head, and the welding seat is arranged above the welding head and on the support frame; the lower end of the tension spring is connected to the support frame, and the upper end is connected to the welding head;

[0011] When the right cam is not rotating, the tension spring passes through the welding head and the welding guide arm, so that the roller abuts against the right cam; with the rotation of the right cam, the right end of the welding guide arm moves downward, so that the left end of the welding guide arm moves upward, thereby driving the welding head to move upward, pressing the opening of the tube to be sealed against the welding seat, and the sealing action can be performed; after the sealing is completed, with the rotation of the right cam, the right end of the welding guide arm moves upward, so that the left end of the welding guide arm moves downward, thereby driving the welding head to move downward, away from the welding seat, and preparing for the next sealing action; after the sealing is completed, the frozen semen tube is rotated backward 20° by the catheter wheel 83 and falls into the tube holding mechanism under its own weight.

[0012] Preferably, one first conduit groove is provided on the circumferential surface of the lower tube roller; and the second conduit grooves are provided on the circumferential surface of the conduit wheel at intervals of 90°, that is, a total of four second conduit grooves are provided.

[0013] Preferably, the catheter sheath is semicircular.

[0014] Preferably, there are two catheter wheels, which are symmetrically arranged on the left and right; the rotating shaft passes through the axes of the two catheter wheels and is arranged on the support frame.

[0015] Preferably, the connecting arm includes a first connecting arm, a second connecting arm, and a third connecting arm. The middle part of the second connecting arm is movably connected to the middle part of the support seat, the right end of the second connecting arm is movably connected to the left end of the first connecting arm, and the left end of the second connecting arm is movably connected to the right end of the third connecting arm; the right end of the first connecting arm is movably connected to the right filling needle base, and the left end of the third connecting arm is movably connected to the left filling needle base.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model uses a main motor to drive the operation of the three mechanisms of the lower tube mechanism, the filling mechanism, and the sealing mechanism, eliminating two motors and their related software and hardware, with high efficiency and low cost, and improving the finished product quality and production efficiency of frozen sperm tubes; due to the stability of the mechanical structure, the normal movement and operation of the machine can always be maintained, and the one-support-three functions of the mechanical structure reduce the volume of the entire machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of the three-dimensional structure of the first embodiment of the utility model;

[0018] Figure 2 This is a front view of the three-dimensional structure of the first embodiment of the utility model without the filling mechanism;

[0019] Figure 3 This is a front view of the three-dimensional structure of the first embodiment of the utility model without the filling mechanism, the shift fork and the left cam.

[0020] The markings in the figure are:

[0021] 11. The third support plate; 12. The welding guide arm; 13. The "Y" type connector; 14. The roller; 15. The tension spring;

[0022] 16. welding head; 17. welding seat; 2. main motor; 3. first support plate; 4. support frame; 5. curved guide rail;

[0023] 6. driven wheel; 71. left cam; 72. right cam; 81. tube box; 811. through hole; 82. lower tube roller;

[0024] 83, catheter wheel; 831, rotating shaft; 84, lower tube motor; 85, guide plate; 86, catheter sheath; 87, shift fork;

[0025] 91. Support seat; 92. Second support plate; 93. Peristaltic pump; 94. Guide bearing; 95. Guide plate;

[0026] 961, left filling needle base; 962, right filling needle base; 971, left filling needle bracket; 972, right filling needle bracket;

[0027] 981, left filling needle; 982, right filling needle; 911, transverse guide rail; 991, first connecting arm;

[0028] 992. Second connecting arm; 993. Third connecting arm; 10. Base. DETAILED DESCRIPTION

[0029] The technical solution of the utility model is further described below in conjunction with the accompanying drawings of the specification. Example 1

[0030] like Figure 1 , 2 As shown in Figure 3, a single-head economical frozen semen tube packaging machine includes a base 10, on which a main motor 2, a first support plate 3, and a support frame 4 are arranged in sequence from right to left; a curved guide rail 5 is arranged between the first support plate 3 and the support frame 4, a driven wheel 6 is arranged on the right side of the first support plate 3, and a cam 7 is arranged on the left side of the support frame 4, and the curved guide rail 5, the cam 7, and the driven wheel 6 are coaxial; the main motor 2 drives the driven wheel 6 to rotate, and the driven wheel 6 drives the curved guide rail 5 and the cam 7 to rotate; the cam 7 includes a left cam 71 and a right cam 72; a curved groove 51 is arranged on the curved guide rail 5.

[0031] On the support frame 4, a lower pipe mechanism, a filling mechanism, and a sealing mechanism are arranged in sequence from top to bottom.

[0032] The tube lowering mechanism includes a tube holding box 81, a tube lowering roller 82, a guide tube wheel 83, and a tube lowering motor 84. The tube holding box 81 is connected to the upper part of the support frame 4, and includes three vertical plates and a front inclined plate, presenting a shape that is wide at the top and narrow at the bottom. Two through holes 811 are provided at corresponding positions at the lower parts of the left and right vertical plates of the tube holding box 81, and the two ends of the tube lowering roller 82 are respectively passed through the two through holes 811.

[0033] The top and bottom of the tube box 81 are both open, the lower tube roller 82 is located above the bottom opening, and the conduit wheel 83 is located below the bottom opening. There are two conduit wheels 83, which are symmetrically arranged on the left and right. A guide plate 85 is arranged above the lower tube roller 82, and a gap is arranged between the guide plate 85 and the vertical plate at the rear of the tube box 81, and the lower tube roller 82 is located in the gap. The lower tube motor 84 is arranged on the support frame 4, driving the lower tube roller 82 to rotate, and a first conduit groove is arranged on the circumferential surface of the lower tube roller 82; a second conduit groove is arranged on the circumferential surface of the conduit wheel 83, and the second conduit groove is arranged on the circumferential surface of the conduit wheel 83 at intervals of 90°, that is, a total of four second conduit grooves are arranged on the circumferential surface of the conduit wheel 83;

[0034] A catheter sheath 86 is arranged on the upper part of the circumferential surface of the catheter wheel 83. The catheter sheath is semicircular, and there is a certain interval between the catheter sheath 86 and the circumferential surface of the catheter wheel 83. The rotating shaft 831 of the two catheter wheels 83 passes through the axis of the catheter wheel 83 and is arranged on the support frame 4. A shift fork 87 is arranged on the right part of the rotating shaft 831 of the catheter wheel 83 and on the left side of the support frame 4. The shift fork 87 is located above the left cam 71 and is linked with the left cam 71.

[0035] The filling mechanism includes a support seat 91, a second support plate 92, a peristaltic pump 93, a guide bearing 94, a guide plate 95, a left filling needle base 961 and a right filling needle base 962, a left filling needle bracket 971 and a right filling needle bracket 972, a left filling needle 981 and a right filling needle 982, and a connecting arm 99. The support seat 91 is arranged at the front of the base 10, the peristaltic pump 93 is arranged on the support seat 91, and a transverse guide rail 911 is arranged on the top of the support seat 91; the left filling needle base 961 and the right filling needle base 962 are arranged on the transverse guide rail 911 and can reciprocate left and right along the transverse guide rail 911;

[0036] The left filling needle base 961 and the right filling needle base 962 are connected by a connecting arm; the connecting arm includes a first connecting arm 991, a second connecting arm 992, and a third connecting arm 993, the middle part of the second connecting arm 992 is movably connected to the middle part of the support seat 91, the right end of the second connecting arm 992 is movably connected to the left end of the first connecting arm 991, and the left end of the second connecting arm 992 is movably connected to the right end of the third connecting arm 993; the right end of the first connecting arm 991 is movably connected to the right filling needle base 962, and the left end of the third connecting arm 993 is movably connected to the left filling needle base 961;

[0037] The guide plate 95 is arranged on the second support plate 92, the middle part of which is movably connected to the top of the second support plate 92, the front end of which is movably connected to the right filling needle base 962, and the rear end of which is connected to the guide bearing 94; the guide bearing 94 is arranged on the curved guide rail 5, and can make reciprocating curved motion along the curved groove 51 arranged on the curved guide rail 5, so that the guide plate 95 drives the right filling needle base 962 to move horizontally left and right along the transverse guide rail 911 at the top of the support seat 91; the right filling needle base 962 drives the left filling needle base 961 to move horizontally left and right along the transverse guide rail 911 at the top of the support seat 91 through the connecting arm 99, and the left filling needle base 961 and the right filling needle base 962 move towards each other; the left filling needle bracket 971 and the right filling needle bracket 972 are respectively arranged on the left filling needle base 961 and the right filling needle base 962, and the left filling needle 981 and the right filling needle 982 are respectively arranged on the left filling needle bracket 971 and the right filling needle bracket 972; the left filling needle 981 and the right filling needle 982 move synchronously with the left filling needle base 961 and the right filling needle base 962, and the two move towards each other; when they are close to each other, the left filling needle 981 and the right filling needle 982 can respectively insert the left end and the right end of the frozen sperm tube therein; when they are away from each other, the left filling needle 981 and the right filling needle 982 can respectively leave the left end and the right end of the frozen sperm tube.

[0038] The sealing mechanism includes a third support plate 11, a welding guide arm 12, a "Y"-shaped connector 13, a roller 14, a tension spring 15, a welding head 16, and a welding seat 17. The third support plate 11 is arranged behind the support seat 91 and on the base 10, and the middle part of the welding guide arm 12 is movably connected to the third support plate 11; the right end of the welding guide arm 12 is provided with a "Y"-shaped connector 13, and the roller 14 is installed on the "Y"-shaped connector 13, and the roller 14 abuts against the right cam 72; the left end of the welding guide arm 12 is connected to the welding head 16, and the welding seat 17 is arranged above the welding head 16 and on the support frame 4; the lower end of the tension spring 15 is connected to the support frame 4, and the upper end is connected to the welding head 16;

[0039] When the right cam 72 is not rotating, the tension spring 15 passes through the welding head 16 and the welding guide arm 12, so that the roller 14 is pressed against the right cam 72; as the right cam 72 rotates, the right end of the welding guide arm 12 moves downward, so that the left end of the welding guide arm 12 moves upward, thereby driving the welding head 16 to move upward, and pressing the opening of the tube to be sealed, i.e., the frozen semen tube, against the welding seat 17, and the sealing action can be performed; after the sealing is completed, as the right cam 72 rotates, the right end of the welding guide arm 12 moves upward, so that the left end of the welding guide arm 12 moves downward, thereby driving the welding head 16 to move downward, away from the welding seat 17, and preparing for the next sealing action; after the sealing is completed, the frozen semen tube is rotated backward 20° by the catheter wheel 83 and falls into the tube holding mechanism under its own weight.

[0040] The working principle of the utility model is as follows:

[0041] like Figure 1-3 As shown, first, the right end of the tube to be loaded, i.e., the frozen semen tube, is loaded with "cotton thread-sealing powder-cotton thread", and then placed in the tube holding box 81; driven by the lower tube motor 84, the frozen semen tube in the first conduit groove of the lower tube roller 82 falls into the second conduit groove of the conduit wheel 83; the main motor 2 drives the driven wheel 6 to rotate, driving the curved guide rail 5, the left cam 71, and the right cam 72 to rotate; the shift fork 87 is linked with the left cam 71, driving the frozen semen tube in the second conduit groove of the conduit wheel 83 to rotate to the left filling needle 981 and the right filling needle 982;

[0042] The two ends of the frozen semen tube are respectively inserted into the left filling needle 981 and the right filling needle 982 and clamped; the peristaltic pump 93 sucks the right end of the frozen semen tube through the connecting tube and the right filling needle 982, so that the interior is in a negative pressure state; the semen in the liquid filling cup is sucked into it from the left end of the frozen semen tube through the left filling needle 981 and the connecting tube; the right end of the frozen semen tube has been equipped with "cotton thread-sealing powder-cotton thread", and when the semen is sucked onto the sealing powder, the sealing powder instantly becomes solidified, and the right end of the frozen semen tube is sealed, and an appropriate amount of semen is filled in the frozen semen tube.

[0043] There is only one first conduit groove 821 on the lower tube roller 82, which delivers one frozen semen tube to the second conduit groove 831 of the conduit wheel 83 once it rotates one circle; the conduit wheel 83 rotates 90 degrees once, and a second conduit groove 831 is arranged on the conduit wheel 83 at intervals of 90 degrees, and there are four conduit grooves 831 in total; a semicircular conduit sheath 86 is arranged at the front of the conduit wheel 83 to prevent the frozen semen tube in the second conduit groove 831 from falling before reaching the middle position of the left filling needle 981 and the right filling needle 982;

[0044] The welding head 16 squeezes the frozen semen tube filled with semen onto the welding seat 17. The sealing mechanism first performs a pre-treatment of pressing the frozen semen tube to be sealed. The equipment controls the ultrasonic oscillation to melt the left end of the frozen semen tube and stop the ultrasonic oscillation. The welding head 16 and the welding seat 17 are still in a pressing state, and the sealing effect is finalized and pressed. The welding is sealing. After sealing, with the rotation of the right cam 72, the right end of the welding guide arm 12 moves upward, so that the left end of the welding guide arm 12 moves downward, thereby driving the welding head 16 to move downward, away from the welding seat 17, and preparing for the next sealing action; the frozen semen tube after sealing is rotated 90 degrees by the catheter wheel 83 and transported to the tube holding mechanism.

[0045] As mentioned above, it is only the preferred embodiment of the utility model, and it is not a limitation of the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A single-head economical frozen sperm tube packaging machine, comprising a base, characterized in that: On the base, a main motor, a first support plate, and a support frame are arranged in sequence from right to left; a curved guide rail is arranged between the first support plate and the support frame, a driven wheel is arranged on the right side of the first support plate, and a cam is arranged on the left side of the support frame; the curved guide rail, the cam, and the driven wheel are coaxial; the main motor drives the driven wheel to rotate, and the driven wheel drives the curved guide rail and the cam to rotate; the cam includes a left cam and a right cam; a curved groove is arranged on the curved guide rail; The support frame is provided with a lower pipe mechanism, a filling mechanism, and a sealing mechanism in order from top to bottom; The lower tube mechanism includes a tube box, a lower tube roller, a duct wheel, and a lower tube motor. The tube box is connected to the upper part of the support frame, including three vertical plates and a front inclined plate, presenting a shape that is wide at the top and narrow at the bottom; two through holes are arranged at corresponding positions at the lower parts of the left and right vertical plates of the tube box, and the two ends of the lower tube roller are respectively inserted into the two through holes; the top and bottom of the tube box are both open, the lower tube roller is located above the bottom opening, and the duct wheel is located below the bottom opening; a guide plate is arranged above the lower tube roller, and an interval is arranged between the guide plate and the rear vertical plate of the tube box The lower tube roller is located at the gap; the lower tube motor is arranged on the support frame, driving and connecting the lower tube roller to rotate, and the circumferential surface of the lower tube roller is provided with a first guide tube groove; the circumferential surface of the guide tube wheel is provided with a second guide tube groove, and the upper part of the circumferential surface of the guide tube wheel is provided with a guide tube sheath, and a certain interval is provided between the guide tube sheath and the circumferential surface of the guide tube wheel; both ends of the guide tube wheel rotating shaft are arranged on the support frame, and a shift fork is arranged on the right part of the guide tube wheel rotating shaft and the left side of the support frame, and the shift fork is located above the left cam and is linked with the left cam; The filling mechanism comprises a support seat, a second support plate, a peristaltic pump, a guide bearing, a guide plate, a left filling needle base and a right filling needle base, a left filling needle bracket and a right filling needle bracket, a left filling needle and a right filling needle, and a connecting arm. The support seat is arranged at the front of the base, the peristaltic pump is arranged on the support seat, and a transverse guide rail is arranged on the top of the support seat; the left filling needle base and the right filling needle base are arranged on the transverse guide rail and can reciprocate left and right along the transverse guide rail; The left filling needle base and the right filling needle base are connected by the connecting arm; the guide plate is arranged on the second supporting plate, the middle part of which is movably connected to the top of the second supporting plate, the front end of which is movably connected to the right filling needle base, and the rear end of which is connected to the guide bearing; the guide bearing is arranged on the curved guide rail, and can make reciprocating curved motion along the curved groove arranged on the curved guide rail, so that the guide plate drives the right filling needle base to make left and right lateral motion along the lateral guide rail at the top of the supporting seat; the right filling needle base drives the left filling needle base to make left and right lateral motion along the lateral guide rail at the top of the supporting seat through the connecting arm, and the left filling needle base and the right filling needle base move towards each other; The left filling needle bracket and the right filling needle bracket are respectively arranged on the left filling needle base and the right filling needle base, and the left filling needle and the right filling needle are respectively arranged on the left filling needle bracket and the right filling needle bracket; the left filling needle and the right filling needle move synchronously with the left filling needle base and the right filling needle base, and the two move towards each other; when they are close to each other, the left filling needle and the right filling needle can respectively insert the left end and the right end of the frozen sperm tube therein; when they are far away from each other, the left filling needle and the right filling needle can respectively leave the left end and the right end of the frozen sperm tube; The sealing mechanism comprises a third support plate, a welding guide arm, a "Y"-shaped connecting head, a roller, a tension spring, a welding head, and a welding seat. The third support plate is arranged behind the support seat and on the base, and the middle part of the welding guide arm is movably connected to the third support plate; the right end of the welding guide arm is provided with the "Y"-shaped connecting head, and the roller is installed on the "Y"-shaped connecting head, and the roller abuts against the right cam; the left end of the welding guide arm is connected to the welding head, and the welding seat is arranged above the welding head and on the support frame; the lower end of the tension spring is connected to the support frame, and the upper end is connected to the welding head; When the right cam does not rotate, the tension spring passes through the welding head and the welding guide arm, so that the roller abuts against the right cam; with the rotation of the right cam, the right end of the welding guide arm moves downward, so that the left end of the welding guide arm moves upward, thereby driving the welding head to move upward, pressing the opening of the tube to be sealed against the welding seat, and the sealing action can be performed; after the sealing is completed, with the rotation of the right cam, the right end of the welding guide arm moves upward, so that the left end of the welding guide arm moves downward, thereby driving the welding head to move downward, away from the welding seat, and preparing for the next sealing action; after the sealing is completed, the frozen semen tube is rotated backward 20° by the catheter wheel and falls into the tube holding mechanism under its own weight.

2. The single-head economical frozen sperm tube packaging machine according to claim 1, characterized in that: The lower tube roller is provided with one first conduit groove on its circumferential surface; the second conduit grooves are provided on the circumferential surface of the conduit wheel at intervals of 90°, that is, a total of four second conduit grooves are provided.

3. The single-head economical frozen sperm tube packaging machine according to claim 2 is characterized in that: The catheter sheath is semicircular.

4. The single-head economical frozen sperm tube packaging machine according to claim 3 is characterized by: There are two catheter wheels, which are symmetrically arranged on the left and right; the rotating shaft passes through the axes of the two catheter wheels and is arranged on the supporting frame.

5. The single-head economical frozen sperm tube packaging machine according to claim 4 is characterized in that: The connecting arm includes a first connecting arm, a second connecting arm, and a third connecting arm. The middle part of the second connecting arm is movably connected to the middle part of the support seat, the right end of the second connecting arm is movably connected to the left end of the first connecting arm, and the left end of the second connecting arm is movably connected to the right end of the third connecting arm; the right end of the first connecting arm is movably connected to the right filling needle base, and the left end of the third connecting arm is movably connected to the left filling needle base.

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