Plunger type tailing machine

Abstract

The utility model discloses a plunger type tailing machine, and relates to the technical field of pharmaceutical equipment. The extrusion mechanism comprises a push rod device, an extrusion barrel and an extrusion head which are arranged in sequence; the push rod device and the extrusion barrel are both arranged on the fixed base; the push rod device is provided with a telescopic rod; a piston is arranged at the tail end of the telescopic rod; the extrusion barrel is provided with a rotating part and a limiting part; the rotating part is rotationally connected to the fixed base around a first axis; a supporting seat is fixedly arranged on the fixed base, and a limiting groove is formed in the supporting seat; the extrusion cylinder is provided with a containing cavity, an inlet and an outlet; when the piston moves in the containing cavity, the limiting part is located in the limiting groove, and the position of the extrusion barrel is kept unchanged. The extrusion cylinder can rotate around a first axis and enables the inlet to face upwards; the extrusion head is detachably and fixedly arranged at the discharge port, and an extrusion port is formed in the extrusion head. The problem that metering is not accurate during manual treatment of pelleting tailings is solved, it is guaranteed that the diameter of a medicine strip is accurate, time and labor are saved, tailings loss is reduced, and cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of pharmaceutical equipment, in particular to a plunger type tailing machine. Background Art

[0002] At present, the tailings of large and small pills are mainly processed by manual extrusion devices, such as needle-tube structures. The tailings are filled into the push rod barrel, and the plunger is manually pushed to squeeze out the tailings into a certain length of medicine strips. The medicine strips are cut manually, and the strips are manually taken and sent to the pill making machine. Manually pushing the medicine strips cannot control the extrusion speed, and the length of the medicine strips extruded each time is different. At the same time, it is difficult to ensure the accuracy of the diameter of the extruded medicine strips, which affects the diameter specifications of the pills in the later pill making. This manual way of handling tailings is time-consuming and labor-intensive. Utility Model Content

[0003] The purpose of the utility model is to provide a plunger-type tailing machine to solve the problems existing in the above-mentioned prior art, solve the problem of inaccurate metering of pill-making tailings, inability to ensure the accuracy of the diameter of the medicine strips, and time-consuming and labor-intensive problems, while reducing the loss of tailings and saving costs.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a plunger tail material machine, including an extrusion mechanism; the extrusion mechanism includes a push rod device, an extrusion barrel and an extrusion head arranged in sequence; the push rod device and the extrusion barrel are both arranged on a fixed base; the push rod device has a telescopic rod that can be telescoped along a first direction, and a piston is arranged at the end of the telescopic rod; the extrusion barrel has a rotating part and a limiting part, and the limiting part is located on a side of the rotating part close to the push rod device; the rotating part is rotatably connected to the fixed base around a first axis, and the first axis is perpendicular to the first direction; the fixed base corresponds to the position of the limiting part A support seat is fixedly provided, and a limiting groove is provided on the support seat; the extrusion barrel has a accommodating cavity and an inlet and an outlet communicated with the accommodating cavity, the inlet is a side close to the piston, and the inner diameter of the inlet matches the outer diameter of the piston; when the piston is located in the accommodating cavity and moves, the limiting portion is located in the limiting groove and keeps the position of the extrusion barrel stationary; the extrusion barrel can rotate around the first axis and make the inlet face upward; the extrusion head can be detachably fixed on the outlet, and an extrusion port is provided on the extrusion head, and the extrusion port is communicated with the outlet.

[0006] Preferably, the extrusion barrel includes a material holding barrel and a fixed sleeve; a rotating shaft is arranged on the outer side wall of the fixed sleeve, the rotating shaft is rotatably connected with the fixed base around the first axis, and the rotating shaft is the rotating part; the material holding barrel can be detachably fixedly sleeved in the fixed sleeve, and both ends of the material holding barrel extend beyond the end of the fixed sleeve; the material holding barrel has the accommodating cavity, the inlet port and the outlet port, and the position of the outer side wall of the material holding barrel corresponding to the limiting groove is the limiting part.

[0007] Preferably, a centering ball is fixedly provided at the end of the telescopic rod, a spherical groove matching the shape of the centering ball is opened on the piston, and a limit baffle is provided at the opening of the spherical groove; when the centering ball is located in the spherical groove, the limit baffle can prevent the centering ball from falling out of the spherical groove; and the piston and the telescopic rod rotate with the center of the centering ball as the point of rotation.

[0008] Preferably, a strip cutting mechanism is further provided on one side of the extrusion port; the strip cutting mechanism has a movable cutting portion, and the cutting portion can cut the medicine strip extruded from the extrusion port into a fixed length.

[0009] Preferably, the strip cutting mechanism includes a conveying roller group, a push plate and a push-cutting driver; the conveying roller group has a plurality of self-rotating rollers, each of the rollers is arranged in parallel, each of the rollers is located below the extrusion direction of the extrusion port, and the axis of each roller is perpendicular to the extrusion direction of the extrusion port; the push plate is located on one side of the medicine strip extruded from the extrusion port; the push-cutting driver has a telescopic end that can be extended and retracted, and the telescopic end is fixedly connected to the push plate, and the telescopic end can drive the push plate to move along the second direction and push and cut the medicine strip extruded from the extrusion port into a fixed length; the push plate forms the cutting portion.

[0010] Preferably, a strip receiving disk is further provided on the side of the conveying roller group opposite to the push plate, and the push plate can cut off the medicine strip extruded from the extrusion port and push it into the strip receiving disk.

[0011] Preferably, the fixed base includes a base frame, a fixed plate and an extension frame; the fixed plate is fixedly arranged on the upper end of the base frame, the push rod device, the extrusion cylinder and the support seat are all arranged on the fixed plate, the extension frame is fixed on the base frame, and the conveying roller group and the push cutting drive are both arranged on the extension frame.

[0012] Compared with the prior art, the utility model has achieved the following technical effects:

[0013] The plunger-type tail feeder provided by the utility model can realize accurate control of the diameter of the extruded medicine strip by adopting an extrusion head with an extrusion port, which is composed of an extrusion barrel and a push rod device; and the required sizes of the extruded medicine strips with different diameters can be realized by replacing the extrusion head with extrusion ports of different inner diameters; when the extrusion barrel needs to be filled, it can be conveniently added by rotating the extrusion barrel and making the inlet of the extrusion barrel face upward; and when the inside of the extrusion barrel needs to be cleaned, the extrusion barrel can also be rotated to make it vertical, and the operator only needs to lower his head and use a cleaning tool to realize the cleaning operation of cleaning while observing, thereby reducing the cleaning difficulty and improving the cleaning speed; accurate control of the diameter of the extruded medicine strip can ensure that the material loss generated in the later pill making is smaller, saving costs.

[0014] Furthermore, the extrusion barrel is composed of two parts, namely a fixed sleeve and a material holding barrel, and is detachable so that the material holding barrel can be removed from the fixed sleeve, making it convenient to remove the material holding barrel for cleaning, thereby making cleaning simpler and more convenient.

[0015] Furthermore, the telescopic rod and the piston use the center of the centering ball as the rotation point, that is, the two rotate in a spherical center manner, and the piston can rotate within a certain range, thereby automatically adjusting the coaxiality of the piston and the extrusion barrel.

[0016] Furthermore, the strip cutting mechanism can realize the operation of cutting the medicine strip extruded from the extrusion port into a fixed length, thereby ensuring a more precise length of the medicine strip, saving time and effort, and reducing the risk of contamination of the medicine strip by human contact.

[0017] Furthermore, a conveying roller group is used to convey the medicine strip extruded from the extrusion port forward, and the medicine strip is cut by pushing it with a push plate. The structure is simple, and the contact between the push plate and the medicine strip is more complete, which can reduce the change in the overall diameter of the medicine strip, ensure the accuracy of the diameter, and ensure that the length of each cut medicine strip is fixed.

[0018] Furthermore, the provision of the strip receiving plate can facilitate the receiving of medicine strips of fixed length, thereby improving work efficiency and reducing manual supervision.

[0019] Furthermore, all components are arranged on a fixed base, so the overall structure is simple and the movement of the device is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of the overall structure of the plunger-type tailing machine provided by the utility model;

[0022] Figure 2 The utility model is a cross-sectional view of the plunger tailing machine provided by the utility model.

[0023] In the figure: 100- plunger tail feeder; 1- base frame; 2- fixed plate; 3- extension frame; 4- push rod device; 5- centering ball; 6- piston; 7- limit baffle; 8- material cylinder; 9- extrusion cone cylinder; 10- screw cap; 11- ball bearing with seat; 12- adjustment block; 13- support seat; 14- push cutting drive; 15- push plate; 16- conveying roller group; 17- connecting plate; 18- extrusion head; 19- locking nut; 20- fixed sleeve; 21- rotating shaft. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model aims to provide a plunger-type tailing machine to solve the problems existing in the prior art, such as the inaccurate metering of tailings in manual processing of pill making, the inability to ensure the accuracy of the diameter of the medicine strips, and the time-consuming and labor-intensive problems, while reducing the loss of tailing materials and saving costs.

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] Embodiment 1

[0028] This embodiment provides a plunger-type tailing machine 100, such as Figure 1 and Figure 2As shown, it includes an extrusion mechanism; the extrusion mechanism includes a push rod device 4, an extrusion barrel and an extrusion head 18 arranged in sequence; the push rod device 4 and the extrusion barrel are both arranged on a fixed base; the push rod device 4 has a telescopic rod that can be telescoped along a first direction, and a piston 6 is arranged at the end of the telescopic rod; the extrusion barrel has a rotating part and a limiting part, and the limiting part is located on the side of the rotating part close to the push rod device 4; the rotating part is rotatably connected to the fixed base around a first axis, and the first axis is perpendicular to the first direction; a support seat 13 is fixedly provided on the fixed base at a position corresponding to the limiting part, and a limiting groove is provided on the support seat 13; the extrusion barrel has an accommodating cavity and an inlet and an outlet communicated with the accommodating cavity, the inlet is a side close to the piston 6, and the inner diameter of the inlet matches the outer diameter of the piston 6; when the piston 6 is located in the accommodating cavity and moves, the limiting part is located in the limiting groove and keeps the position of the extrusion barrel stationary; the extrusion barrel can rotate around the first axis and make the inlet face upward; the extrusion head 18 can be detachably fixedly arranged at the outlet, and the extrusion head 18 is provided with an extrusion outlet, and the extrusion outlet is communicated with the outlet.

[0029] By adopting an extrusion head 18 with an extrusion port in combination with an extrusion barrel and a push rod device 4, the diameter of the extruded medicine strip can be accurately controlled; and the required size of the extruded medicine strips with different diameters can be achieved by replacing the extrusion head 18 with extrusion ports of different inner diameters; when the extrusion barrel needs to be filled, it can be conveniently added by rotating the extrusion barrel and making the inlet of the extrusion barrel face upward; and when the inside of the extrusion barrel needs to be cleaned, the extrusion barrel can also be rotated to make it vertical. At this time, the operator only needs to lower his head and use a cleaning tool to achieve the cleaning operation of cleaning while observing, which reduces the difficulty of cleaning and increases the cleaning speed; accurately controlling the diameter of the extruded medicine strip can ensure that the material loss generated in the later pill making is smaller, saving costs.

[0030] Specifically, the push rod device 4 can be an electric telescopic device, or any other existing telescopic device.

[0031] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2 As shown, the extrusion barrel includes a material barrel 8 and a fixed sleeve 20; a rotating shaft 21 is arranged on the outer wall of the fixed sleeve 20, and the rotating shaft 21 is connected to the fixed base around the first axis, and the rotating shaft 21 is the rotating part; the material barrel 8 can be detachably fixedly sleeved in the fixed sleeve 20, and both ends of the material barrel 8 exceed the ends of the fixed sleeve 20; the material barrel 8 has a accommodating cavity, an inlet and an outlet, and the position of the outer wall of the material barrel 8 corresponding to the limit groove is the limit part. The extrusion barrel is composed of a fixed sleeve 20 and a material barrel 8, and adopts a detachable manner, so that the material barrel 8 can be removed from the fixed sleeve 20, which is convenient for removing the material barrel 8 for cleaning, making cleaning simpler and more convenient.

[0032] Specifically, each rotating shaft 21 is equipped with a seated ball bearing 11, and the seated ball bearing 11 is screwed and fixed to the adjustment block 12 through bolts and other standard parts, and the adjustment block 12 is screwed and fixed to the fixed plate 2 through bolts and other standard parts.

[0033] Specifically, the limiting portion of the material barrel 8 is a torus, and the limiting groove is an arc-shaped groove matching the torus. The whole composed of the material barrel 8 and the fixed sleeve 20 can rotate around the first axis within a certain range (the fixed plate 2 is not restricted in rotating the whole composed of the material barrel 8 and the fixed sleeve 20, and the method can be any existing structure, for example, a rotating groove is provided at a corresponding position on the fixed plate 2, which facilitates the unrestricted rotation of the whole composed of the material barrel 8 and the fixed sleeve 20), and the inlet of the material barrel 8 can be 90° upward, which is convenient for filling and later cleaning of the material barrel 8.

[0034] Specifically, the material holding barrel 8 and the fixed sleeve 20 are coaxially arranged, and the material holding barrel 8 and the fixed sleeve 20 can be disassembled in any existing manner, for example, Figure 2 As shown, an annular groove larger than the inner diameter of the fixed sleeve 20 is provided on the inner side of one end of the fixed sleeve 20, and an annular protrusion larger than the outer diameter of the material barrel 8 is provided on the outer wall of the material barrel 8, the annular protrusion is located in the annular groove and limits the material barrel 8 from escaping from the fixed sleeve 20 from the other side under the cooperation of the two; the annular protrusion and the fixed sleeve 20 are fixed in relative position by a limiting member, and there are many ways to do this: for example, the limiting member is a bolt, at least one of the corresponding positions of the annular protrusion and the side wall of the fixed sleeve 20 is provided with an internal thread, and the other can be a through hole or an internal threaded hole, the threaded end of the bolt passes through the internal threaded hole or through hole on the side wall of the fixed sleeve 20 in turn and is located in the through hole or internal threaded hole of the annular protrusion, thereby fixing the position of the material barrel 8 in the fixed sleeve 20.

[0035] Specifically, the discharge port of the material holding barrel 8 is threadedly connected and fixed with the extrusion cone 9 through the screw cap 10; the screw cap 10 can be connected with the discharge port of the material holding barrel 8 and the extrusion cone 9 in any existing manner, for example, Figure 2 As shown, one end of the extrusion cone 9 is embedded in the inside of the screw cap 10, and the other end of the screw cap 10 is threadedly connected to the discharge outlet of the material holding barrel 8; or the external thread of the extrusion cone 9 is threadedly connected to the internal thread of one end of the screw cap 10, and the internal thread of the other end of the screw cap 10 is threadedly connected to the external thread at one end of the discharge outlet of the material holding barrel 8.

[0036] Specifically, in order to improve the degree of better extrusion of the filler by the piston 6, the front end shape of the piston 6 is set to match the inner wall of the extrusion cone 9, that is, the piston 6 can enter the extrusion cone 9 through the material holding barrel 8; at this time, the extrusion cone 9 and the material holding barrel 8 are coaxial, and the inner diameter of the end of the extrusion cone 9 close to the material holding barrel 8 is the same as the inner diameter of the end of the material holding barrel 8 close to the extrusion cone 9. The implementation method can be any existing one, such as Figure 2 As shown, an annular protrusion is provided at one end of the extrusion cone 9 for connecting to the material holding barrel 8; a positioning groove is provided inside the one end of the material holding barrel 8 for connecting to the extrusion cone 9, and an external thread is provided on its outer wall; the screw cap 10 is annular, and one end is a through hole, and the other end is an internal threaded hole; the inner diameter of the through hole is smaller than the outer diameter of the annular protrusion, and the end of the screw cap 10 with the through hole is located on the side of the annular protrusion of the extrusion cone 9 away from the material holding barrel 8; the outer diameter of the annular protrusion is the same as the inner diameter of the positioning groove, and the end of the annular protrusion of the extrusion cone 9 close to the material holding barrel 8 is embedded in the positioning groove of the material holding barrel 8, and at this time, the internal threaded hole of the screw cap 10 is threadedly connected with the external thread of the material holding barrel 8 to fix the relative position between the extrusion cone 9 and the material holding barrel 8.

[0037] Specifically, the extrusion head 18 is embedded in the outlet of the extrusion cone 9, and the relative position between the extrusion head 18 and the extrusion cone 9 is fixed by a locking nut 19. The diameter of the extruded medicine strip can be changed by replacing the extrusion head 18 or the extrusion head 18 and the extrusion cone 9, and the subsequent pill making machine can be used to make pills of different specifications.

[0038] In order to realize that the piston 6 can automatically adjust its coaxiality with the extrusion cylinder (specifically the material cylinder 8), the following settings can also be made:

[0039] Among the optional solutions of this embodiment, it is more preferred that Figure 2 As shown, a centering ball 5 is fixed at the end of the telescopic rod, a spherical groove matching the shape of the centering ball 5 is opened on the piston 6, and a limit baffle 7 is provided at the opening of the spherical groove; when the centering ball 5 is located in the spherical groove, the limit baffle 7 can prevent the centering ball 5 from falling out of the spherical groove; and the piston 6 and the telescopic rod use the center of the centering ball 5 as the rotation point. The telescopic rod and the piston 6 use the center of the centering ball 5 as the rotation point, that is, the center of the ball is between the two. The piston 6 can rotate within a certain range, thereby realizing automatic adjustment of the coaxiality of the piston 6 and the extruder.

[0040] Specifically, the centering ball 5 is threadedly connected to the end of the telescopic rod; the limit baffle 7 is threadedly connected and fixed on the piston 6 through standard parts such as bolts.

[0041] In order to cut the extruded medicine strips into strips, the following settings can also be made:

[0042] Among the optional solutions of this embodiment, it is more preferred that Figure 1and Figure 2 As shown, a strip cutting mechanism is also provided on one side of the extrusion port; the strip cutting mechanism has a movable cutting part, which can cut the medicine strip extruded from the extrusion port into a fixed length. The strip cutting mechanism can cut the medicine strip extruded from the extrusion port into a fixed length, thereby ensuring a more accurate length of the medicine strip, saving time and effort, and reducing the risk of contamination of the medicine strip by human contact.

[0043] Specifically, the strip cutting mechanism can be cut manually by using a cutting device, or it can be cut automatically by a mechanical automatic cutting device formed by the following conveying roller group 16, the push plate 15 and the push-cutting driver 14.

[0044] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2 As shown, the strip cutting mechanism includes a conveying roller group 16, a push plate 15 and a push-cutting driver 14; the conveying roller group 16 has a plurality of rollers capable of self-rotation, each roller is arranged in parallel, each roller is located below the extrusion direction of the extrusion port, and the axis of each roller is perpendicular to the extrusion direction of the extrusion port; the push plate 15 is located on one side of the medicine strip extruded from the extrusion port; the push-cutting driver 14 has a telescopic end capable of extension and contraction, the telescopic end is fixedly connected to the push plate 15, the telescopic end can drive the push plate 15 to move along the second direction and push and cut the medicine strip extruded from the extrusion port into a fixed length; the push plate 15 is formed as a cutting portion. The conveying roller group 16 is used to convey the medicine strip extruded from the extrusion port, and the medicine strip is cut by pushing the push plate 15. The structure is simple, and the push plate 15 has a more complete contact with the medicine strip, which can reduce the change of the overall diameter of the medicine strip, ensure the accuracy of the diameter, and ensure the fixation of the length of each cut medicine strip.

[0045] Specifically, the push cutting driver 14 may be a cylinder.

[0046] Among the optional solutions of this embodiment, it is more preferred that Figure 1 As shown, a strip receiving plate 17 is also provided on the side opposite to the conveying roller group 16 and the push plate 15, and the push plate 15 can push and cut the medicine strip extruded from the extrusion port and push it into the strip receiving plate 17. The setting of the strip receiving plate 17 can facilitate the receiving of medicine strips of fixed length, thereby improving work efficiency and reducing manual supervision.

[0047] Specifically, the fixed-length cutting of the extruded medicine strip can be achieved by setting the pushing moment of the corresponding push-cutting driver 14 according to the extrusion speed of the extrusion port, or by setting a position sensor and linking the position sensor to the push-cutting driver 14. When the end of the extruded medicine strip from the extrusion port reaches the position sensor, the push-cutting driver 14 is automatically triggered to complete the cutting action. In addition to the above two methods, any other existing structural setting that can achieve fixed-length cutting of the extruded medicine strip can also be used.

[0048] Among them, regarding the structure of the fixed base:

[0049] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2 As shown, the fixed base includes a base frame 1, a fixed plate 2 and an extension frame 3; the fixed plate 2 is fixedly arranged on the upper end of the base frame 1, the push rod device 4, the extrusion cylinder and the support seat 13 are all arranged on the fixed plate 2, the extension frame 3 is fixed on the base frame 1, and the conveying roller group 16 and the push cutting driver 14 are all arranged on the extension frame 3. All components are arranged on the fixed base, the overall structure is simple, and the position movement of the equipment is convenient.

[0050] Specifically, the push rod device 4 is screwed to the fixing plate 2 .

[0051] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A plunger-type tailing machine, characterized in that: It includes an extrusion mechanism; the extrusion mechanism includes a push rod device, an extrusion barrel and an extrusion head which are arranged in sequence; The push rod device and the extrusion cylinder are both arranged on a fixed base; The push rod device has a telescopic rod that can be telescoped along a first direction, and a piston is provided at the end of the telescopic rod; The extrusion barrel is provided with a rotating part and a limiting part, and the limiting part is located on a side of the rotating part close to the push rod device; the rotating part is connected to the fixed base by rotation around a first axis, and the first axis is perpendicular to the first direction; a support seat is fixedly provided on the fixed base corresponding to the position of the limiting part, and a limiting groove is provided on the support seat; the extrusion barrel has a accommodating cavity and an inlet and an outlet communicated with the accommodating cavity, the inlet is a side close to the piston, and the inner diameter of the inlet matches the outer diameter of the piston; when the piston is located in the accommodating cavity and moves, the limiting part is located in the limiting groove and keeps the position of the extrusion barrel stationary; the extrusion barrel can rotate around the first axis and make the inlet face upward; The extrusion head is detachably fixed on the discharge port, and an extrusion port is provided on the extrusion head, and the extrusion port is communicated with the discharge port.

2. The plunger tailing machine according to claim 1, characterized in that: The extrusion cylinder comprises a material containing cylinder and a fixed sleeve; A rotating shaft is arranged on the outer side wall of the fixed sleeve, the rotating shaft is connected to the fixed base for rotation around the first axis, and the rotating shaft is the rotating part; The material holding barrel is detachably fixedly sleeved in the fixed sleeve, and both ends of the material holding barrel extend beyond the end of the fixed sleeve; The material holding barrel comprises the accommodating cavity, the inlet and the outlet, and the position of the outer side wall of the material holding barrel corresponding to the limiting groove is the limiting portion.

3. The plunger tailing machine according to claim 1, characterized in that: A centering ball is fixedly arranged at the end of the telescopic rod, a spherical groove matching the shape of the centering ball is opened on the piston, and a limit baffle is arranged at the opening of the spherical groove; When the centering ball is located in the spherical groove, the limiting baffle can prevent the centering ball from escaping from the spherical groove; and the piston and the telescopic rod use the center of the centering ball as a rotation point.

4. The plunger tailing machine according to claim 1, characterized in that: A strip cutting mechanism is also provided at one side of the extrusion port; the strip cutting mechanism has a movable cutting portion, and the cutting portion can cut the medicine strip extruded from the extrusion port into a fixed length.

5. The plunger tailing machine according to claim 4, characterized in that: The strip cutting mechanism comprises a conveying roller group, a push plate and a push cutting driver; The conveying roller group has a plurality of rollers capable of self-rotation, each of the rollers is arranged in parallel, each of the rollers is located below the extrusion direction of the extrusion port, and the axis of each of the rollers is perpendicular to the extrusion direction of the extrusion port; The push plate is located on one side of the medicine strip extruded from the extrusion port; The push-cutting driver has a telescopic end that can be extended and retracted, and the telescopic end is fixedly connected to the push plate. The telescopic end can drive the push plate to move along the second direction and push and cut the medicine strip extruded from the extrusion port into a fixed length; the push plate forms the cutting portion.

6. The plunger tailing machine according to claim 5, characterized in that: A strip receiving disk is also arranged on the side of the conveying roller group opposite to the push plate, and the push plate can push and cut off the medicine strip extruded from the extrusion port and push it into the strip receiving disk.

7. The plunger tailing machine according to claim 5, characterized in that: The fixed base comprises a base frame, a fixed plate and an extension frame; The fixing plate is fixedly arranged on the upper end of the base frame, and the push rod device, the extrusion cylinder and the support seat are all arranged on the fixing plate; The extension frame is fixed on the base frame, and the conveying roller group and the push-cutting driver are both arranged on the extension frame.

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