CN217348468U - Dairy products filling push rod assembly - Google Patents

Abstract

The utility model relates to a dairy products production technical field specifically is a dairy products filling push rod subassembly, and piston and stock solution piece all are connected on the push rod, and the stock solution piece is established in the top of piston, forms annular stock solution chamber between stock solution piece and the push rod, stock solution chamber upper end opening, the push rod inside be equipped with the air flue, the air flue lower extreme runs through the push rod bottom surface, air flue upper end and stock solution chamber intercommunication, the utility model is used for controlling the play of filling head and close to the phenomenon is remained to the pressure differential improvement filling head bottom dairy products that the play of accessible filling head closed and cause, avoids the phenomenon that the dairy products drippage outside the container; on the premise of not changing the diameter and the length of the push rod, the liquid dairy product can be collected through the liquid storage cavity, and the condition that the dairy product enters the upper air chamber is improved; through the setting that blocks the face and keep off the cap, block that liquid splashes, through the exit end of a branch air flue and the relative position relation's of stock solution chamber settlement, guarantee that the liquid accumulation of stock solution intracavity is located reasonable within range, and can not further increase and spill over.

Description

Dairy products filling push rod assembly

Technical Field

The utility model relates to a dairy products production technical field specifically is a dairy products filling push rod subassembly.

Background

In the dairy products production and processing process, the filling is an indispensable process, the structure of current filling head is similar with ordinary valve structure usually, the filling in-process needs frequent switch filling head, in the use of reality, along with the increase of switch number of times, when the filling head is closed, the filling head bottom has the residual dairy products easily, at filling head below container conversion clearance, the residual dairy products have the risk of drippage outside the container, cause filling platform external environment to be polluted easily and cause bacterial growing, also cause the waste of dairy products simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dairy products filling push rod subassembly for the play of control filling head is closed, and closes the pressure differential that causes through the play of filling head and improve filling head bottom dairy products and remain the phenomenon, avoids the phenomenon that the dairy products drippage outside the container.

For solving the technical problem, the utility model relates to a dairy products filling push rod subassembly is including push rod, piston and stock solution piece, and piston and stock solution piece are all connected on the push rod, and the stock solution piece is established in the top of piston, and stock solution piece overcoat is on the push rod, forms annular stock solution chamber between stock solution piece and the push rod, stock solution chamber upper end opening, the inside air flue that is equipped with of push rod, the air flue lower extreme runs through the push rod bottom surface, air flue upper end and stock solution chamber intercommunication.

Furthermore, the push rod comprises an upper push rod and a lower push rod, the upper push rod is connected to the top surface of the lower push rod, and the piston and the liquid storage block are connected to the lower push rod.

The upper push rod and the lower push rod are detachably connected, the push rod is set to be of a two-section detachable structure, the liquid storage block is convenient to mount, and the upper push rod and the lower push rod are preferably screwed up and connected in a threaded connection mode.

Furthermore, the liquid storage block is provided with a blocking cap which covers the liquid storage cavity, one side of the blocking cap, which is close to the liquid storage cavity, is in a shape of a cone with a small upper part and a large lower part, and a radial gap is formed between the inner diameter of the upper end of the blocking cap and the outer diameter of the lower push rod.

The radial clearance is preferably less than 10mm, and the setting of radial clearance guarantees the effective intercommunication between stock solution chamber and the last air chamber, guarantees that the atmospheric pressure in two spaces keeps unanimous. Keep off the cap can with stock solution piece integrated into one piece, based on the consideration of its processing degree of difficulty, also can keep off cap and stock solution piece components of a whole that can function independently setting, the toper face that keeps off the cap forms the inclined plane and blocks the structure, can block splashing of the liquid dairy products that flow to the stock solution intracavity through the air flue, does benefit to the guide moreover and adheres to the liquid dairy products that keep off on the cap and flows back to the stock solution intracavity.

One side of the blocking cap close to the liquid storage cavity is a cone with a small upper part and a big lower part so as to block splashed liquid and guide the liquid attached to the inner inclined plane of the cone to flow into the liquid storage cavity.

One side of the blocking cap close to the liquid storage cavity is in a conical shape with a small top and a large bottom, so that the processing process or the casting process is facilitated, and if the blocking cap is provided with a conical surface with a large top and a small bottom, the processing is difficult, and the technical characteristics are set by considering the premise that the liquid storage block and the blocking cap are integrally formed; the blocking cap and the liquid storage block can be arranged to be of a split structure, so that the blocking cap is connected to the liquid storage block through bolts or other connection modes, the technical problem does not exist, and the specific structure of the conical surface of the blocking cap is not limited at the moment.

Furthermore, the air flue is arranged on the lower push rod and comprises a main air flue and a branch air flue, the main air flue is communicated with the branch air flue, the main air flue is axially arranged along the lower push rod, the lower end of the main air flue penetrates through the bottom surface of the lower push rod, the branch air flue is connected to the upper end of the main air flue, and the branch air flue is communicated with the main air flue and the liquid storage cavity.

Furthermore, the branch air flue is arranged along the lower push rod in a manner of radially outwards inclining upwards, and the lowest end of the outer wall of the lower push rod penetrating through the branch air flue is aligned with the lowest end of the liquid storage cavity. This mode of setting up can guarantee that the liquid of stock solution intracavity gathering can all discharge through the air flue and do not take place the residual phenomenon, in addition, in case liquid dairy products get into the stock solution intracavity, along with liquid dairy products accumulation liquid level risees, then can be with the exit end of a gas flue submergence completely, the port is covered on the air flue this moment, in case the piston goes upward when making the interior atmospheric pressure grow of last air chamber, then can press back all the liquid of the gathering in the stock solution intracavity inside the air flue, and then do benefit to the liquid of guaranteeing the stock solution intracavity and can not further increase and spill over. The outward and upward inclined arrangement of the branch air channel is favorable for ensuring the backflow of liquid.

Furthermore, the branch air passages are arranged in a plurality of numbers, and the plurality of branch air passages are uniformly distributed along the circumference of the axis of the main air passage.

Furthermore, the bottom surface of the upper push rod is provided with a blocking surface which is arranged around the upper push rod, the blocking surface is a conical surface with a small lower part and a large upper part, the blocking surface is arranged above a radial gap between the inner diameter of the upper end of the stop cap and the outer diameter of the lower push rod, and an annular set gap is arranged between the blocking surface and the upper end surface of the stop cap.

The blocking surface is arranged to block liquid splashed out through the radial gap and guide the liquid to flow back to the liquid storage cavity along the blocking surface.

Furthermore, the bottom surface of the upper push rod is provided with an outer edge surface of the umbrella pile, the outer edge surface is arranged outside the blocking surface, the outer edge surface is arranged above the blocking cap, and a gap is formed between the outer edge surface and the blocking cap.

The set gap is preferably 2-5mm, and the set gap ensures effective communication between the liquid storage cavity and the upper air chamber and can prevent liquid from splashing out of the upper air chamber.

Furthermore, a sealing ring is connected between the lower push rod and the liquid storage block.

Further, the upper end of the lower push rod is provided with a three-stage stepped shaft with the outer diameter gradually reduced from top to bottom, the three-stage stepped shaft is respectively provided with a small-diameter section, a medium-diameter section and a large-diameter section, the liquid storage block is connected to the medium-diameter section, the sealing ring is arranged at a shaft shoulder between the medium-diameter section and the large-diameter section, and the sealing ring is arranged between the bottom surface of the liquid storage block and the shaft shoulder.

The minor diameter section and the well footpath section of lower push rod upper end all have the screw thread end, the upper push rod lower extreme has the screw hole, the small diameter section threaded connection of upper push rod and lower push rod and through the shaft shoulder axial positioning between path section and the well footpath section, stock solution piece thread sealing connects in the well footpath section of lower push rod, and through the shaft shoulder positioning between well footpath section and the big footpath end, through this mounting means, be convenient for the upper push rod, the assembly of lower push rod and stock solution piece, use the screw-thread fit mode to carry out the upper push rod in this embodiment, the connection of lower push rod and stock solution piece, also other connected mode of alternative cooperates the use in the in-service use.

The arrangement of the sealing ring is favorable for ensuring good sealing performance between the liquid storage block and the lower push rod, and the liquid storage cavity is prevented from leaking.

The liquid storage block in the utility model is an annular block and is sealed and sleeved on the push rod, the inner circle side of the liquid storage block is provided with an annular groove to form a liquid storage cavity, and the annular groove is upwards communicated to the upper end surface of the liquid storage block to ensure that the liquid storage cavity is communicated with the upper air chamber, thus keeping the air pressure of the liquid storage cavity and the upper air chamber consistent, the upper end of the air passage is communicated with the liquid storage cavity for collecting liquid dairy products, when the liquid dairy products are sucked to the upper end port of the air passage in the descending process of the piston, the liquid dairy products are sucked into the liquid storage cavity and are not contacted with the piston in the upper air chamber due to the arrangement of the liquid storage cavity, wherein the upper end of the air passage can be communicated with the position above the liquid storage cavity, the liquid storage cavity is used for collecting the liquid dairy products at the moment, the cleaning is needed regularly, of course, the upper end of the air passage can be communicated with the bottom of the liquid storage cavity, the liquid dairy products in the air passage can be refluxed out due to the change of the air pressure at the moment, without the need for timed cleaning.

The utility model has the advantages that: the utility model is used for controlling the opening and closing of the filling head, and the phenomenon that dairy products are remained at the bottom of the filling head can be improved by the pressure difference caused by the opening and closing of the filling head, so that the dairy products are prevented from dropping outside the container; on the premise of not changing the diameter and the length of the push rod, the liquid dairy product can be collected through the liquid storage cavity, and the condition that the dairy product enters the upper air chamber is improved; and through the setting that blocks the face and keep off the cap, block that liquid splashes to guide liquid backward flow to stock solution intracavity, through the exit end of a branch air flue and the settlement of the relative position relation in stock solution chamber, guarantee that the liquid accumulation in the stock solution intracavity is located reasonable within range moreover, and can not further increase and overflow.

Drawings

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

fig. 2 is a schematic view of a local structure of the liquid storage cavity of the present invention.

In the figure: 10. a push rod; 11, pushing a push rod; 12. a lower push rod; 111. a blocking surface; 112. an outer edge surface; 20. a piston; 30. a liquid storage block; 31. a blocking cap; 40. a liquid storage cavity; 50. a main airway; 52. a branch airway; 60. a seal ring; 71. a barrel; 72. an upper air chamber; 73. a lower air chamber.

Detailed Description

As shown in fig. 1-2, the utility model relates to a dairy products filling push rod subassembly is including push rod 10, piston 20 and liquid storage piece 30, and piston 20 and liquid storage piece 30 all connect on push rod 10, and liquid storage piece 30 is established in the top of piston 20, and liquid storage piece 30 overcoat is on push rod 10, forms annular stock solution chamber 40 between liquid storage piece 30 and the push rod 10, stock solution chamber 40 upper end opening, push rod 10 inside be equipped with air flue 50, the lower extreme of air flue 50 runs through push rod 10 bottom surface, air flue 50 upper end and stock solution chamber 40 intercommunication.

Further, the push rod 10 comprises an upper push rod 11 and a lower push rod 12, the upper push rod 11 is connected to the top surface of the lower push rod 12, and the piston 20 and the liquid storage block 30 are both connected to the lower push rod 12.

Further, the liquid storage block 30 is provided with a blocking cap 31, the blocking cap 31 covers the liquid storage cavity 40, one side of the blocking cap 31, which is close to the liquid storage cavity 40, is a cone with a small upper part and a large lower part, and a radial gap is formed between the inner diameter of the upper end of the blocking cap 31 and the outer diameter of the lower push rod 12.

Further, the air passage 50 is arranged on the lower push rod 12 and comprises a main air passage 51 and a branch air passage 52, the main air passage 51 is communicated with the branch air passage 52, the main air passage 51 is arranged along the axial direction of the lower push rod 12, the lower end of the main air passage 51 penetrates through the bottom surface of the lower push rod 12, the branch air passage 52 is connected to the upper end of the main air passage 51, and the branch air passage 52 is communicated with the main air passage 51 and the liquid storage cavity 40.

Further, the branch air duct 52 is arranged along the lower push rod 12 and is inclined upwards in the radial direction, and the lowest end of the branch air duct 52, which penetrates through the outer wall of the lower push rod 12, is aligned with the lowest end of the liquid storage cavity 40. This setting mode can guarantee that the liquid of stock solution chamber 40 internal aggregation can all be discharged through air flue 50 and the phenomenon of remaining does not take place, in addition, in case liquid dairy products gets into stock solution chamber 40, along with liquid dairy products accumulation liquid level risees, then can submerge the exit end of a branch air flue 52 completely, the port is covered on air flue 50 this moment, in case piston 20 goes upward when making the air pressure grow in last air chamber 72, then can press back all the liquid of the internal aggregation of stock solution chamber 40 inside air flue 50, and then do benefit to the liquid of guaranteeing in the stock solution chamber 40 and can not further increase and spill over. The outwardly and upwardly inclined disposition of branch duct 52 facilitates ensuring backflow of the liquid.

Furthermore, a plurality of branch air passages 52 are provided, and the plurality of branch air passages 52 are uniformly distributed along the circumference of the axis of the main air passage 51.

Further, a blocking surface 111 is arranged on the bottom surface of the upper push rod 11, the blocking surface 111 is arranged around the upper push rod 11, the blocking surface 111 is a conical surface with a smaller lower part and a larger upper part, the blocking surface 111 is arranged above a radial gap between the inner diameter of the upper end of the stop cap 31 and the outer diameter of the lower push rod 12, and an annular set gap is arranged between the blocking surface 111 and the upper end surface of the stop cap 31.

Further, the bottom surface of the upper push rod 11 is provided with an outer edge surface 112 of the umbrella pile, the outer edge surface 112 is arranged outside the blocking surface 111, the outer edge surface 112 is arranged above the blocking cap 31, and a gap exists between the outer edge surface 112 and the blocking cap 31.

Further, a sealing ring 60 is connected between the lower push rod 12 and the liquid storage block 30.

Further, the upper end of the lower push rod 12 is provided with a third stepped shaft with a sequentially reduced outer diameter from top to bottom, the third stepped shaft is respectively provided with a small diameter section, a medium diameter section and a large diameter section, the liquid storage block 30 is connected to the medium diameter section, the sealing ring 60 is arranged at a shaft shoulder between the medium diameter section and the large diameter section, and the sealing ring 60 is arranged between the bottom surface of the liquid storage block 30 and the shaft shoulder.

The dairy product filling push rod assembly is matched with a filling head for use, a piston 20 is in sealing sliding fit with a cylinder 71 in the cylinder 71, the cylinder 71 is divided into an upper air chamber 72 and a lower air chamber 73 by the piston 20, a valve body ball is arranged at the lower end of a lower push rod 12, the valve body ball is sealed at a filling opening of the cylinder 71 when a push rod 10 runs downwards, the filling opening of the cylinder 71 is opened by the valve body ball when the push rod 10 runs upwards, when a push rod 11 runs downwards, the cavity of the upper air chamber 72 is enlarged, the air pressure is reduced, and an air passage 50 can suck residual liquid dairy products on the valve body ball and at the filling opening.

After the dairy product filling push rod assembly in the prior art is used for a long time, dairy products are continuously accumulated in the air passage 50 and sucked into the upper air chamber 72, and at the moment, the dairy products exist between the piston 20 and the cylinder 71, so that the normal sliding of the piston 20 is influenced; in order to improve the above phenomena, there are two general ways in the prior art, one is to increase the diameter of the air duct 50 to increase the overall volume of the air duct 50, and although this improvement can improve the condition that the dairy product enters the upper air chamber 72, the larger diameter of the air duct 50 will also deteriorate the lotion effect, and at the same time, it will also need to increase the diameter of the push rod 10; another improvement is to increase the length of the push rod 10, which would increase the overall axial dimension of the filling opening; the utility model improves the condition that the dairy products enter the upper air chamber 72 on the premise of not changing the diameter and the length of the push rod 10.

In the utility model, the liquid storage block 30 is an annular block and is sealed and sleeved on the push rod 10, an annular groove is opened at the inner circle side of the liquid storage block 30 to form the liquid storage cavity 40, and the annular groove is communicated upwards to the upper end surface of the liquid storage block 30, so that the liquid storage cavity 40 is communicated with the upper air chamber 72, the air pressure of the liquid storage cavity 40 and the air pressure of the upper air chamber 72 are kept consistent, the upper end of the air passage 50 is communicated with the liquid storage cavity 40 and is used for collecting liquid dairy products, when the liquid dairy products are sucked to the upper end port of the air passage 50 in the descending process of the piston 20, the liquid dairy products are sucked into the liquid storage cavity 40 and are not contacted with the piston 20 without entering the upper air chamber 72 due to the arrangement of the liquid storage cavity 40, wherein the upper end of the air passage 50 can be communicated with the position above the liquid storage cavity 40, at the time, the liquid storage cavity 40 is used for collecting the liquid dairy products at the fixed time, the upper end of the air passage 50 can be communicated with the bottom of the liquid storage cavity 40, at this time, the liquid dairy products can be naturally, the liquid dairy products in the liquid storage cavity 40 can also flow back through the air passage 50 due to the change of the air pressure, without the need for timed cleaning.

The upper push rod 11 and the lower push rod 12 are detachably connected, the push rod 10 is set to be of a two-section detachable structure, the liquid storage block 30 is convenient to mount, and the upper push rod 11 and the lower push rod 12 are preferably screwed tightly in a threaded connection mode.

The radial clearance is preferably less than 10mm and is set to ensure effective communication between the reservoir chamber 40 and the upper plenum 72, ensuring that the air pressure in both spaces remains the same. The blocking cap 31 can be integrally formed with the liquid storage block 30, the blocking cap 31 and the liquid storage block 30 can be arranged in a split mode based on the consideration of the processing difficulty, the conical surface of the blocking cap 31 forms an inclined surface blocking structure, splashing of liquid dairy products flowing into the liquid storage cavity 40 through the air channel 50 can be blocked, and the liquid dairy products attached to the blocking cap 31 can be guided to flow back into the liquid storage cavity 40.

The side of the blocking cap 31 close to the liquid storage cavity 40 is a cone with a small top and a big bottom so as to block the splashed liquid and guide the liquid attached to the inner slope of the cone to flow into the liquid storage cavity 40.

One side of the blocking cap 31 close to the liquid storage cavity 40 is a taper with a small top and a large bottom, so that the machining process or the casting process is facilitated, and if the tapered surface with the large top and the small bottom is arranged, the machining process is difficult, and certainly, the technical characteristics are set by considering on the premise that the liquid storage block 30 and the blocking cap 31 are integrally formed; the blocking cap 31 and the liquid storage block 30 can be of a split structure, so that the blocking cap 31 is connected to the liquid storage block 30 through bolts or other connection modes, the technical problem does not exist, and the specific structure of the conical surface of the blocking cap is not limited at the moment.

The blocking surface 111 is configured to block liquid flying through the radial gap and direct the liquid back along the blocking surface into the reservoir chamber 40.

The set gap, preferably 2-5mm, ensures effective communication between the reservoir chamber 40 and the upper air chamber 72 while preventing splashing of liquid out of the upper air chamber 72.

The minor diameter section and the well footpath section of push rod 12 upper end all have the screw thread end down, 11 lower extremes of push rod have the screw hole, the small diameter section threaded connection of push rod 11 and push rod 12 down and through the shaft shoulder axial positioning between path section and the well footpath section, stock solution piece 30 screw thread sealing connects in the well footpath section of push rod 12 down, and through the shaft shoulder location between well footpath section and the big footpath end, through this mounting means, be convenient for push rod 11, the assembly of push rod 12 and stock solution piece 30 down, use the screw-thread fit mode to carry out push rod 11 in this embodiment, push rod 12 and stock solution piece 30's connection down, also can select other connected mode to cooperate the use in the in-service use.

The sealing ring 60 is arranged to ensure good sealing performance between the liquid storage block 30 and the lower push rod 12 and prevent the liquid storage cavity 40 from leaking.

Claims (10)

1. The utility model provides a dairy products filling push rod subassembly which characterized in that: including push rod (10), piston (20) and stock solution piece (30) are all connected on push rod (10), and stock solution piece (30) are established in the top of piston (20), and stock solution piece (30) overcoat is on push rod (10), forms annular stock solution chamber (40) between stock solution piece (30) and push rod (10), stock solution chamber (40) upper end opening, push rod (10) inside be equipped with air flue (50), push rod (10) bottom surface is run through to air flue (50) lower extreme, air flue (50) upper end and stock solution chamber (40) intercommunication.

2. The dairy product filling push rod assembly of claim 1, wherein: the push rod (10) comprises an upper push rod (11) and a lower push rod (12), the upper push rod (11) is connected to the top surface of the lower push rod (12), and the piston (20) and the liquid storage block (30) are connected to the lower push rod (12).

3. The dairy product filling push rod assembly of claim 2, wherein: the liquid storage block (30) is provided with a blocking cap (31), the blocking cap (31) covers the liquid storage cavity (40), one side, close to the liquid storage cavity (40), of the blocking cap (31) is in a conical shape with a small top and a big bottom, and a radial gap is formed between the inner diameter of the upper end of the blocking cap (31) and the outer diameter of the lower push rod (12).

4. The dairy product filling push rod assembly of claim 3, wherein: the air passage (50) is arranged on the lower push rod (12) and comprises a main air passage (51) and a branch air passage (52), the main air passage (51) is communicated with the branch air passage (52), the main air passage (51) is axially arranged along the lower push rod (12), the lower end of the main air passage (51) penetrates through the bottom surface of the lower push rod (12), the branch air passage (52) is connected to the upper end of the main air passage (51), and the branch air passage (52) is communicated with the main air passage (51) and the liquid storage cavity (40).

5. The dairy product filling push rod assembly of claim 4, wherein: the branch air channel (52) is arranged along the radial direction of the lower push rod (12) to be inclined upwards, and the lowest end of the outer wall of the branch air channel (52) penetrating through the lower push rod (12) is aligned with the lowest end of the liquid storage cavity (40).

6. The dairy product filling push rod assembly of claim 5, wherein: the number of the branch air passages (52) is multiple, and the plurality of the branch air passages (52) are uniformly distributed along the circumference of the axis of the main air passage (51).

7. The dairy product filling push rod assembly of claim 6, wherein: the bottom surface of the upper push rod (11) is provided with a blocking surface (111), the blocking surface (111) is arranged around the upper push rod (11), the blocking surface (111) is a conical surface with a small lower part and a large upper part, the blocking surface (111) is arranged above a radial gap between the inner diameter of the upper end of the blocking cap (31) and the outer diameter of the lower push rod (12), and an annular set gap is arranged between the blocking surface (111) and the upper end surface of the blocking cap (31).

8. The dairy product filling push rod assembly of claim 7, wherein: the bottom surface of the upper push rod (11) is provided with an outer edge surface (112) of the umbrella pile, the outer edge surface (112) is arranged on the outer side of the blocking surface (111), the outer edge surface (112) is arranged above the retaining cap (31), and a gap exists between the outer edge surface (112) and the retaining cap (31).

9. The dairy product filling pusher bar assembly of claim 8, wherein: and a sealing ring (60) is connected between the lower push rod (12) and the liquid storage block (30).

10. The dairy product filling pusher bar assembly of claim 9, wherein: lower push rod (12) upper end from top to bottom be equipped with the tertiary step shaft that the external diameter diminishes in proper order, tertiary step shaft is path section, well footpath section and big footpath section respectively, liquid storage piece (30) are connected on well footpath section, shaft shoulder department between well footpath section and big footpath section is established in sealing washer (60), sealing washer (60) are established between liquid storage piece (30) bottom surface and shaft shoulder.

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