CN216909622U

CN216909622U - Powder split charging needle structure

Info

Publication number: CN216909622U
Application number: CN202123172181.0U
Authority: CN
Inventors: 倪祥桂
Original assignee: Shanghai Zhuomu Electromechanical Equipment Co ltd
Current assignee: Shanghai Zhuomu Electromechanical Equipment Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-08
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a powder split charging needle structure which comprises a split charging needle outer barrel and a split charging needle piston rod, wherein the split charging needle piston rod is installed inside the split charging needle outer barrel, the tail end of the split charging needle piston rod is clamped with a connecting clamping seat through a connecting block, and the tail end of the connecting clamping seat is in threaded connection with a split charging needle piston head; the split needle piston head is internally provided with a breathable film and a filter screen, the bottom of the split needle piston head is embedded with a screen plate, and the surface of the split needle piston rod is sleeved with an O-shaped ring. According to the utility model, the piston head of the subpackaging needle is arranged, so that the powder entering the piston head of the subpackaging needle is subjected to secondary interception and filtration treatment through the filter screen, and further the powder during subpackaging is subjected to double filtration treatment, so that the quality during subpackaging is ensured, the breathable film is arranged, so that the powder during subpackaging cannot enter the interior of the piston rod of the pulling subpackaging needle to block the piston rod, and the neatness of the interior of the piston rod of the pulling subpackaging needle is ensured.

Description

Powder split charging needle structure

Technical Field

The utility model relates to the technical field of split charging needle heads, in particular to a powder split charging needle structure.

Background

The split charging needle on the present penicillin bottle powder split charging machine adopts an integrated structure, the disassembly process of changing specifications in changing production batches and sterilizing after production is not very convenient, and secondly, the parts belong to slender shafts, so that the part processing difficulty is high, and the cost is high.

The existing split charging needle head has the defects that:

the patent document CN207860618U discloses a split charging needle of a card type split charging machine, which comprises a needle body assembly, a power assembly and a transmission assembly, wherein the needle body assembly comprises a needle head, a hexagon nut and a needle head nozzle, the needle head is a hollow cylinder, the hexagon nut is positioned at the bottom end of the outer surface wall of the needle head and is fixedly connected with the needle head, the needle head nozzle is installed below the needle head and is fixedly connected with the needle head, a containing cavity is arranged inside the needle head nozzle, and a sliding groove is arranged on the outer surface wall of the needle head; set up a material sieve in the inside of syringe needle nozzle, can filter the material in the hopper, avoid the too big material of diameter to get into the packing, make the article of product unanimous, and set up a logical sieve that can dredge the material sieve and block up in the top of material sieve, there is the motor to pass through slider-crank mechanism and drive, prevent that the material sieve from taking place to block up, the maintenance and the processing of the racking machine syringe needle of being convenient for, this racking needle is when screening the material, fail to intercept to powder self, lead to inside powder self gets into the syringe needle, make the inside condition of taking place to block up of syringe needle increase, thereby need add logical sieve, make the structure of syringe needle complicated and the volume great, dexterity is not enough.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a powder dispensing needle structure to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a powder split charging needle structure comprises a split charging needle outer barrel and a split charging needle piston rod, wherein the split charging needle piston rod is installed inside the split charging needle outer barrel, a connecting block is installed at the tail end of the split charging needle piston rod, a connecting clamping seat is clamped at the tail end of the split charging needle piston rod through the connecting block, and the tail end of the connecting clamping seat is in threaded connection with a split charging needle piston head;

the split charging needle piston head is internally provided with a breathable film and a filter screen, the filter screen is positioned below the breathable film, the bottom surface of the split charging needle piston head is in an open design, the bottom of the split charging needle piston head is provided with a screen plate in an embedded mode, and the diameter of the mesh of the screen plate is smaller than that of the filter screen;

the surface of the piston rod of the sub-assembly needle is sleeved with an O-shaped ring, and the O-shaped ring is positioned above the connecting block.

Preferably, the surface of the piston rod of the split charging needle is provided with scale marks which are arranged at equal intervals, and the scale marks are positioned above the O-shaped ring.

Preferably, the diameter of the split needle outer cylinder is 3-12mm, and the wall thickness of the split needle outer cylinder is 1-5 mm.

Preferably, the distance between the filter screen inside the piston head of the dispensing needle and the bottom of the outer cylinder of the dispensing needle is 1-50 mm.

Preferably, the mesh of the filter screen is 100-.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the piston head of the subpackaging needle can be driven to move upwards along the inner wall of the outer cylinder of the subpackaging needle when the piston rod of the subpackaging needle is pulled upwards, and then the piston head of the subpackaging needle enters the piston head of the subpackaging needle to be subjected to secondary intercepting and filtering treatment through the filter screen, so that the powder during subpackaging is subjected to double filtering treatment, the quality during subpackaging is ensured, the powder during subpackaging can be intercepted between the filter screen and the breathable film because the breathable film only allows gas to pass through, the powder during subpackaging can not enter the piston rod of the pulling subpackaging needle to block the piston rod, and the tidiness of the inside of the piston rod of the pulling subpackaging needle is ensured.

2. According to the utility model, the split charging needle piston rod, the connecting block, the scale marks and the connecting clamping seat are arranged, during suction, an operator can be assisted to know the drawing distance of the split charging needle piston rod through the scale marks, so that the volume of single split charging is fixed under the condition that the diameter of the split charging needle outer cylinder is fixed, further, the single split charging amount can be assisted to control through the scale marks during split charging, and in addition, the split charging needle can be conveniently disassembled and assembled through the clamping connection of the connecting block and the connecting clamping seat.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the mounting structure of the piston rod and the connecting clamp seat of the dispensing needle of the present invention;

FIG. 3 is a schematic cross-sectional view of the piston head and the connecting clamp seat of the dispensing needle of the present invention;

figure 4 is a schematic view of the mounting structure of the piston head of the dispensing needle of the utility model.

In the figure: 1. an outer barrel of the split charging needle; 2. a dispensing needle piston rod; 201. connecting blocks; 202. scale lines; 3. an O-shaped ring; 4. a dispensing needle piston head; 401. a gas permeable membrane; 402. filtering with a screen; 403. a screen plate; 5. and connecting the card seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1, fig. 3 and fig. 4, an embodiment of the present invention: a powder split charging needle structure comprises a split charging needle outer barrel 1 and a split charging needle piston head 4, a split charging needle piston rod 2 is installed inside the split charging needle outer barrel 1, a connecting block 201 is installed at the tail end of the split charging needle piston rod 2, a connecting clamping seat 5 is clamped at the tail end of the split charging needle piston rod 2 through the connecting block 201, and the split charging needle piston head 4 is in threaded connection with the tail end of the connecting clamping seat 5;

a breathable film 401 and a filter screen 402 are arranged inside the piston head 4 of the dispensing needle, the filter screen 402 is positioned below the breathable film 401, the bottom surface of the piston head 4 of the dispensing needle is open, a mesh plate 403 is embedded at the bottom of the piston head 4 of the dispensing needle, and the mesh diameter of the mesh plate 403 is smaller than that of the filter screen 402;

the distance between the filter screen 402 inside the piston head 4 of the dispensing needle and the bottom of the outer cylinder 1 of the dispensing needle is 1-50mm, and the meshes of the filter screen 402 are 100-20000.

Concretely, when upwards spurting partial shipment needle piston rod 2, can drive partial shipment needle piston head 4 along the inner wall rebound of partial shipment needle urceolus 1, and then produce the suction effect and can make the partial shipment powder of treating of partial shipment needle urceolus 1 contact go into partial shipment needle urceolus 1 inside after the interception of otter board 403, the inside that gets into partial shipment needle piston head 4 afterwards carries out secondary interception filtration processing through filter screen 402, and then the powder during making the partial shipment obtains dual filtration processing, quality when guaranteeing the partial shipment with this, because ventilated membrane 401 only allows gas to pass through, can make the powder during partial shipment be intercepted in the centre of filter screen 402 and ventilated membrane 401, the powder during partial shipment can not get into the inside of spurting partial shipment needle piston rod 2 and cause the jam to it, the inside neatness of spurting partial shipment needle piston rod 2 has been guaranteed.

Example two

Referring to fig. 1 and fig. 2, an embodiment of the present invention: the utility model provides a powder partial shipment needle structure, includes partial shipment needle piston rod 2, and O type circle 3 has been cup jointed on the surface of partial shipment needle piston rod 2, and O type circle 3 is located the top of connecting block 201.

Specifically, the O-shaped ring 3 can keep the sealing performance of the installation joint of the split charging needle piston rod 2 and the split charging needle outer cylinder 1, so that the smooth pumping operation is ensured when the split charging needle piston rod 2 moves.

The surface of the piston rod 2 of the dispensing needle is provided with scale marks 202 which are arranged at equal intervals, and the scale marks 202 are positioned above the O-shaped ring 3.

The diameter of the split charging needle outer cylinder 1 is 3-12mm, and the wall thickness of the split charging needle outer cylinder 1 is 1-5 mm.

Specifically, when the suction, through scale mark 202, can assist operating personnel to know the take out of partial shipment needle piston rod 2 and move the distance, and then under the fixed condition of partial shipment needle urceolus 1 diameter, the volume of single partial shipment is fixed, and then can the additional control single partial shipment volume through scale mark 202 when the partial shipment, in addition through connecting block 201 and the joint of connecting cassette 5, can make things convenient for this partial shipment needle's dismouting.

The working principle is as follows: before the sub-packaging needle is used for carrying out corresponding powder sub-packaging operation, the sub-packaging needle is firstly connected with the connecting clamping seat 5 in a clamping mode through the connecting block 201, so that the sub-packaging needle piston rod 2 is connected with the sub-packaging needle piston head 4 in a clamping mode, the needle body is immersed in powder to be sub-packaged immediately, then the sub-packaging needle piston rod 2 is moved upwards, the powder can sequentially pass through the screen plate 403 and the filter screen 402 under the suction effect, double filtering interception during powder sub-packaging is achieved, and therefore particle size quality control of the powder during sub-packaging is guaranteed;

during the suction, through scale mark 202, can supplementary operating personnel know the take out distance of moving of partial shipment needle piston rod 2, and then under the fixed condition of partial shipment needle urceolus 1 diameter, the volume of single partial shipment is fixed, and then can the auxiliary control single partial shipment volume through scale mark 202 when the partial shipment.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a powder partial shipment needle structure, includes partial shipment needle urceolus (1) and partial shipment needle piston rod (2), its characterized in that: a sub-packaging needle piston rod (2) is arranged inside the sub-packaging needle outer barrel (1), a connecting block (201) is arranged at the tail end of the sub-packaging needle piston rod (2), a connecting clamping seat (5) is clamped at the tail end of the sub-packaging needle piston rod (2) through the connecting block (201), and a sub-packaging needle piston head (4) is connected to the tail end of the connecting clamping seat (5) in a threaded manner;

the air permeable membrane (401) and the filter screen (402) are installed inside the split charging needle piston head (4), the filter screen (402) is located below the air permeable membrane (401), the bottom surface of the split charging needle piston head (4) is in an open design, the bottom of the split charging needle piston head (4) is embedded with the screen plate (403), and the diameter of the mesh hole of the screen plate (403) is smaller than that of the filter screen (402);

o-shaped ring (3) is sleeved on the surface of the piston rod (2) of the split charging needle, and the O-shaped ring (3) is located above the connecting block (201).

2. A powder dispensing needle structure as claimed in claim 1, wherein: the surface of partial shipment needle piston rod (2) is equipped with scale mark (202) that the equidistance was arranged, and scale mark (202) are located the top of O type circle (3).

3. A powder dispensing needle structure as claimed in claim 1, wherein: the diameter of the split charging needle outer cylinder (1) is 3-12mm, and the wall thickness of the split charging needle outer cylinder (1) is 1-5 mm.

4. A powder dispensing needle structure as claimed in claim 1, wherein: the distance between the filter screen (402) in the piston head (4) of the split charging needle and the bottom of the outer cylinder (1) of the split charging needle is 1-50 mm.

5. A powder dispensing needle structure as claimed in claim 1, wherein: the mesh of the filter screen (402) is 100-.