Sampling tube expansion sleeve type positioning mechanism

Abstract

The utility model relates to the technical field of powder filling, in particular to a sampling tube expansion sleeve type positioning mechanism which comprises a powder filling machine body and a stepping rotating disc installed on the powder filling machine body, a first support and a second support are fixedly connected to the powder filling machine body, a transverse lead screw module is installed on the first support, and a second lead screw module is installed on the second support. A longitudinal lead screw module is installed at the free end of the transverse lead screw module, a material taking rod is detachably connected to the longitudinal lead screw module, and the outer surface of the material taking rod is sleeved with an elastic expansion ring. More than two positioning modules are arranged on the stepping turntable, and a sampling tube stripping part is mounted on the second bracket. When the device is used, the sampling pipe is positioned by inserting the material taking rod into the sampling pipe and applying tension to the inner wall of the sampling pipe through the elastic expansion ring, and compared with a traditional method that the sampling pipe is clamped through a clamp, the positioning accuracy is higher, and the situation that the surface of the sampling pipe is scratched when the sampling pipe enters the positioning hole due to the fact that the sampling pipe inclines is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of powder filling, in particular to a sampling tube expansion sleeve type positioning mechanism. Background Art

[0002] The column tube powder dispensing and filling machine is a device specially used to distribute and fill powder materials into column tubes or similar containers. The operation process of the column tube powder dispensing and filling machine includes sampling tube loading, lower plug assembly, powder filling, upper plug assembly and sampling tube discharging.

[0003] During the sampling tube loading process, traditional transportation equipment mostly clamps the top of the sampling tube through a clamp, then transports the sampling tube and places the sampling tube into the positioning hole at the pre-loading position. However, the clamp clamps the top of the sampling tube, which makes it difficult to ensure the accuracy of positioning. The sampling tube sometimes tilts, causing the surface of the sampling tube to be scratched when the sampling tube enters the positioning hole. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a sampling tube expansion sleeve type positioning mechanism to solve the above problem.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A sampling tube expansion sleeve type positioning mechanism comprises a powder filler body and a stepping turntable installed on the powder filler body, wherein a first bracket and a second bracket are fixedly connected to the powder filler body, a transverse screw module is installed on the first bracket, a longitudinal screw module is installed on the free end of the transverse screw module, a material picking rod is detachably connected to the longitudinal screw module, and an elastic expansion ring is sleeved on the outer surface of the material picking rod; more than two positioning modules are arranged on the stepping turntable, and a sampling tube stripping component is installed on the second bracket.

[0007] Preferably, a sampling tube feeding device is provided on the powder filling machine body, and a receiving platform matching the sampling tube feeding device is provided on the second bracket.

[0008] Preferably, the positioning module comprises a protrusion fixed on the stepping turntable, the protrusion is provided with more than two positioning holes, and the diameters of the plurality of positioning holes are different.

[0009] Preferably, the sampling tube stripping component comprises a telescopic rod mounted on the second bracket, and a blocking piece is provided at the telescopic end of the telescopic rod.

[0010] Preferably, the blocking piece is located above the positioning hole, and a U-shaped groove is provided on the blocking piece.

[0011] The beneficial effects of the utility model are:

[0012] 1. When the device is used, the sampling tube is inserted into the sampling rod, and the elastic expansion ring applies tension to the inner wall of the sampling tube to realize the positioning of the sampling tube. Compared with the traditional method of clamping the sampling tube by a clamp, the positioning accuracy is higher, which prevents the sampling tube from tilting, resulting in the surface of the sampling tube being scratched when the sampling tube enters the positioning hole.

[0013] 2. The device is detachable through the material taking rod. Users can replace the material taking rods of different specifications according to their needs, and then cooperate with positioning holes of different diameters to make the device suitable for sampling tubes of different specifications, further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 For this utility model Figure 1 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0016] Figure 3 This is a structural schematic diagram of the installation of the transverse screw module of the utility model.

[0017] Figure 4 This is a schematic diagram of the structure of the connection between the material taking rod and the sampling tube of the utility model.

[0018] In the attached drawings: 1. powder filling machine body; 2. stepping turntable; 3. first bracket; 4. transverse screw module; 5. longitudinal screw module; 6. feeding rod; 7. elastic expansion ring; 8. second bracket; 9. positioning hole; 10. telescopic rod; 11. baffle; 12. sampling tube feeding device; 13. receiving platform; 14. sampling tube. DETAILED DESCRIPTION

[0019] The following will refer to Figures 1 to 4 The embodiments of the present invention are described in detail. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principle of the present invention and are not intended to limit the protection scope of the present invention.

[0020] A sampling tube expansion sleeve type positioning mechanism comprises a powder filling machine body 1 and a stepping turntable 2 installed on the powder filling machine body 1, a servo motor is arranged on the stepping turntable 2, which can make the stepping turntable 2 rotate intermittently; a first bracket 3 and a second bracket 8 are fixedly connected to the powder filling machine body 1, a transverse screw rod module 4 is installed on the first bracket 3, a longitudinal screw rod module 5 is installed on the free end of the transverse screw rod module 4, and a material picking rod 6 is detachably connected to the longitudinal screw rod module 5. In this embodiment, the top of the material picking rod 6 is connected to the free end of the longitudinal screw rod module 5 by bolts; the transverse screw rod module 4 and the longitudinal screw rod module 5 are prior arts, and the material picking rod 6 can be moved transversely and longitudinally by the coordinated arrangement of the transverse screw rod module 4 and the longitudinal screw rod module 5, thereby realizing the displacement of the material picking rod 6, and an elastic expansion ring 7 is sleeved on the outer surface of the material picking rod 6; more than two positioning modules are arranged on the stepping turntable 2, and a sampling tube stripping component is installed on the second bracket 8.

[0021] A sampling tube feeding device 12 is provided on the powder filling machine body 1 , and a receiving platform 13 matching the sampling tube feeding device 12 is provided on the second bracket 8 . The sampling tube feeding device 12 is a prior art, and the sampling tube feeding device 12 can transport the sampling tube 14 to the receiving platform 13 .

[0022] The positioning module includes a protrusion fixed on the stepping turntable 2, and more than two positioning holes 9 are provided on the protrusion, and the diameters of the plurality of positioning holes 9 are different. The material taking rod 6 is detachable, so that the device can replace the material taking rod 6 of different specifications, and then cooperate with the positioning holes 9 of different diameters, so that the device is suitable for sampling tubes 14 of different specifications, thereby further improving the practicality of the device.

[0023] The sampling tube stripping component includes a telescopic rod 10 installed on the second bracket 8, and a baffle 11 is provided at the telescopic end of the telescopic rod 10; the baffle 11 is located above the positioning hole 9, and a U-shaped groove is provided on the baffle 11. The specification of the U-shaped groove must ensure that the material removal rod 6 can pass through the U-shaped groove, but the sampling tube 14 cannot pass through the U-shaped groove.

[0024] When the device is in use, the sampling tube feeding device 12 conveys the sampling tube 14 to the receiving platform 13. When the longitudinal screw module 5 drives the material picking rod 6 to descend, the bottom end of the material picking rod 6 is inserted into the sampling tube 14. At the same time, the elastic expansion ring 7 enters the sampling tube 14 and applies tension to the inner wall of the sampling tube 14. The elastic expansion ring 7 is relatively fixed to the sampling tube 14. Then, when the material picking rod 6 rises, it will drive the sampling tube 14 to rise. Then, the matching arrangement of the transverse screw module 4 and the longitudinal screw module 5 is used to realize the displacement of the sampling tube 14 and insert the sampling tube 14 into the positioning hole 9; finally, the telescopic end of the telescopic rod 10 extends out and pushes the baffle 11, so that the material picking rod 6 is stuck in the U-shaped groove on the baffle 11. At this time, the top end of the sampling tube 14 is located below the baffle 11. When the material picking rod 6 rises again, the baffle 11 can block the sampling tube 14 from rising, thereby realizing the separation of the material picking rod 6 from the sampling tube 14.

[0025] It should be noted that a controller is provided on the powder filling machine body 1, which can control the intermittent rotation of the stepping turntable 2 and the feeding of the sampling tube feeding device 12, so that the feeding, displacement and positioning of the sampling tube 14 of the device are integrated, and the working efficiency is relatively high.

[0026] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0028] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A sampling tube expansion sleeve positioning mechanism, comprising a powder filling machine body (1) and a stepping turntable (2) mounted on the powder filling machine body (1), characterized in that: The powder filling machine body (1) is fixedly connected with a first bracket (3) and a second bracket (8); a transverse screw module (4) is installed on the first bracket (3); a longitudinal screw module (5) is installed on the free end of the transverse screw module (4); a material picking rod (6) is detachably connected to the longitudinal screw module (5); an elastic expansion ring (7) is sleeved on the outer surface of the material picking rod (6); more than two positioning modules are provided on the stepping turntable (2); and a sampling tube stripping component is installed on the second bracket (8).

2. A sampling tube expansion sleeve type positioning mechanism according to claim 1, characterized in that: The powder filling machine body (1) is provided with a sampling tube feeding device (12), and the second bracket (8) is provided with a receiving platform (13) matching the sampling tube feeding device (12).

3. A sampling tube expansion sleeve type positioning mechanism according to claim 1, characterized in that: The positioning module comprises a protrusion fixed on the stepping turntable (2), and more than two positioning holes (9) are provided on the protrusion, and the diameters of the plurality of positioning holes (9) are different.

4. A sampling tube expansion sleeve type positioning mechanism according to claim 3, characterized in that: The sampling tube stripping component comprises a telescopic rod (10) mounted on a second bracket (8), and a blocking piece (11) is provided at the telescopic end of the telescopic rod (10).

5. A sampling tube expansion sleeve type positioning mechanism according to claim 4, characterized in that: The blocking piece (11) is located above the positioning hole (9), and a U-shaped groove is provided on the blocking piece (11).

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