CN213323956U - Diaphragm sealing type filling valve for filling machine - Google Patents
Diaphragm sealing type filling valve for filling machine Download PDFInfo
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- CN213323956U CN213323956U CN202022113246.3U CN202022113246U CN213323956U CN 213323956 U CN213323956 U CN 213323956U CN 202022113246 U CN202022113246 U CN 202022113246U CN 213323956 U CN213323956 U CN 213323956U
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Abstract
The utility model discloses a diaphragm sealed filling valve for a filling machine, which comprises a first cloth clamping diaphragm and a second cloth clamping diaphragm; the upper end of the first cloth clamping membrane is sleeved and fixed on the filling valve rod, the lower end of the first cloth clamping membrane is tightly pressed and fixed on the valve body through a valve rod guide seat, and flexible sealing is formed among the filling valve rod, the valve body and the valve rod guide seat; the upper end of the second cloth clamping membrane is sleeved and fixed on the liquid inlet valve core, the lower end of the second cloth clamping membrane is tightly pressed and fixed on the liquid inlet seat through the valve core guide seat, and flexible sealing is formed among the liquid inlet valve core, the liquid inlet seat and the valve core guide seat; the utility model can improve the sealing performance during hot filling, and effectively avoid leakage during hot filling; the acid and alkali corrosion resistance of the sealing element can be improved, and the aging speed of the sealing element is effectively slowed down.
Description
Technical Field
The utility model relates to a diaphragm sealed filling valve for filling machine belongs to filling equipment technical field.
Background
At present, in the liquid packaging industry, a plurality of liquids (such as yellow wine, vinegar, syrup and the like) need to be filled in a hot mode, and after filling is finished, the filling valve needs to be flushed by acid and alkali.
The filling valve generally drives a valve rod arranged in a valve body and a valve seat to reciprocate through an air cylinder so as to open or close the valve, and the sliding of the valve rod and the valve body or the valve seat need to be sealed so as to prevent liquid leakage. The existing sealing mode is generally to seal by using a common sealing ring, and during hot filling, the sealing mode is easy to leak due to deformation and abrasion of the sealing ring, and the aging of the sealing ring is accelerated during acid and alkali washing, so that the leakage is caused, and once the leakage occurs, the filling liquid is wasted and polluted, and the sanitary requirement cannot be met.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a diaphragm sealing type filling valve for a filling machine, which can improve the sealing performance during hot filling and effectively avoid leakage during hot filling; the acid and alkali corrosion resistance of the sealing element can be improved, and the aging speed of the sealing element is effectively slowed down.
For solving the technical problem, the utility model discloses a following technical scheme: a diaphragm sealed filling valve for a filling machine comprises a first cloth clamping diaphragm and a second cloth clamping diaphragm; the upper end of the first cloth clamping membrane is sleeved and fixed on the filling valve rod, the lower end of the first cloth clamping membrane is tightly pressed and fixed on the valve body through a valve rod guide seat, and flexible sealing is formed among the filling valve rod, the valve body and the valve rod guide seat;
the upper end of the second cloth clamping membrane is sleeved and fixed on the liquid inlet valve core, the lower end of the second cloth clamping membrane is tightly pressed and fixed on the liquid inlet seat through the valve core guide seat, and flexible sealing is formed between the liquid inlet valve core and the liquid inlet seat as well as between the liquid inlet valve core and the valve core guide seat.
Further, the filling valve rod is slidably mounted in a valve seat, and the valve seat is communicated with the lower end of the valve body; the upper end of the filling valve rod is connected with the valve rod guide seat in a sliding manner and penetrates out of the valve rod guide seat;
the liquid inlet valve core is arranged in the liquid inlet seat, and the liquid inlet seat is communicated with one end of the valve body; the upper end of the liquid inlet valve core is connected with the valve core guide seat in a sliding mode and penetrates out of the valve core guide seat.
Furthermore, the first cloth clamping membrane and the second cloth clamping membrane are both fiber cloth clamping rubber sheets with tensile elasticity, high temperature resistance and acid and alkali corrosion resistance.
Further, the top end of the filling valve rod is in contact with a telescopic rod of the double-stroke cylinder;
the top end of the liquid inlet valve core is contacted with a telescopic rod of the cylinder; the cylinder is a low-friction thin cylinder.
Furthermore, a first spring is arranged between the part of the upper end of the filling valve rod, which extends out of the valve rod guide seat, and the valve rod guide seat, the upper end of the first spring is fixedly connected with the filling valve rod through a spring seat, and the lower end of the first spring is sleeved and fixed outside the valve rod guide seat;
and a second spring is arranged between the part of the liquid inlet valve core extending out of the valve core guide seat and the valve core guide seat, the upper end of the second spring is fixedly connected with the liquid inlet valve core through a spring seat, and the lower end of the second spring is sleeved and fixed on the valve core guide seat.
Furthermore, the liquid inlet seat is communicated with a connecting pipe, and the connecting pipe is connected with a container for containing filling liquid.
Furthermore, a back-washing liquid outlet nozzle is installed at the lower end of the valve seat, a small liquid outlet nozzle is installed at the liquid outlet end of the back-washing liquid outlet nozzle, and a spacer sleeve and a filter screen are arranged in the small liquid outlet nozzle.
Furthermore, the telescopic link tip of cylinder and double stroke cylinder all is equipped with the blotter.
The liquid level sensor is characterized by further comprising a measuring cylinder, wherein the measuring cylinder is communicated with the other end of the valve body, and a magnetostrictive liquid level sensor is arranged in the measuring cylinder.
Furthermore, the cylinder is fixed at the top end of the second supporting rod, and the valve core guide seat is fixed on the liquid inlet seat at the bottom end of the second supporting rod;
the double-stroke cylinder is fixed on the top end of the first supporting rod, and the valve rod guide seat is fixed on the valve body at the bottom end of the first supporting rod.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the utility model can improve the sealing performance during hot filling, and effectively avoid leakage during hot filling; the acid and alkali corrosion resistance of the sealing element can be improved, and the aging speed of the sealing element is effectively slowed down.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
in the figure, the position of the upper end of the main shaft,
1-backwashing liquid outlet nozzle, 2-spacer bush, 3-small liquid outlet nozzle, 4-filling valve rod, 5-valve body, 6-liquid inlet seat, 7-liquid inlet valve core, 8-valve core guide seat, 9-spring seat, 10-buffer pad, 11-connecting pipe, 12-measuring cylinder, 13-liquid level sensor, 14-first supporting rod, 15-second supporting rod, 16-first locking nut, 17-valve rod guide seat, 18-sliding sleeve, 19-valve seat, 20-filter screen, 21-first cloth clamping membrane, 22-first spring, 23-first sleeve, 24-cylinder, 25-second spring, 26-double-stroke cylinder, 27-second sleeve, 28-second cloth clamping membrane and 29-second locking nut.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and fig. 2 together, the utility model provides a diaphragm sealed filling valve for filling machine, including valve body 5, intercommunication setting at the feed liquor seat 6 of 5 one ends of valve body, intercommunication setting at the graduated flask 12 of the 5 other ends of valve body and the disk seat 19 of intercommunication setting at the 5 lower extremes of valve body.
A filling valve rod 4 for controlling the opening and closing of the filling valve and the filling flow is arranged in the valve seat 19;
filling valve rod 4 passes through sliding sleeve 18 slidable mounting at 19 inner chambers of disk seat, leave the clearance between 19 inner chamber walls of filling valve rod and disk seat 19, just be provided with the hole that liquid passes through on the sliding sleeve 18, form the liquid circulation passageway.
The upper end of the filling valve rod 4 penetrates through the valve rod guide seat 17; filling valve rod 4 passes through first sleeve 23 and valve rod guide 17 sliding connection, and the setting of first sleeve 23 guarantees that filling valve rod 4 is smooth and easy freely.
The top end of the filling valve rod 4 is in contact with the telescopic rod of the double-stroke cylinder 26, and the filling valve rod 4 is controlled to move up and down through the double-stroke cylinder 26.
The double-stroke cylinder 26 is fixed on the top end of the first support rod 14, and the valve rod guide seat 17 is fixed on the valve body 5 by the bottom end of the first support rod 14; an inner cavity through which the filling valve rod 4 passes is formed in the valve rod guide seat 17, a first cloth clamping diaphragm 21 is arranged between the inner cavity of the valve rod guide seat 17 and the inner cavity of the valve body 5, and flexible partition sealing is formed between the valve rod guide seat 17 and the valve body 5 through the first cloth clamping diaphragm 21; specifically, the first cloth clamping membrane 21 is arranged in an inner cavity of the valve rod guide seat 17; the upper end of the first cloth clamping membrane 21 is sleeved and fixed on the filling valve rod 4 through a first locking nut 16, the lower end of the first cloth clamping membrane is tightly pressed and fixed on the valve body 5 through a valve rod guide seat 17, a flexible sealing partition is formed between the valve body 5 and the valve rod guide seat 17, and no leakage exists when the filling valve rod 4 reciprocates up and down.
The upper end of the filling valve rod 4 is provided with a first spring 22 between the part extending out of the valve rod guide seat 17 and the valve rod guide seat 17, the upper end of the first spring 22 is fixedly connected with the filling valve rod 4 through a spring seat 9, and the lower end of the first spring is sleeved and fixed outside the valve rod guide seat 17, so that the filling valve rod 4 is reset through the first spring, and the filling is stopped.
A liquid inlet valve core 7 is arranged in the liquid inlet seat 6, and the upper end of the liquid inlet valve core 7 penetrates through the valve core guide seat 8; the liquid inlet valve core 7 is connected with the valve core guide seat 8 in a sliding mode through a second sleeve 27, and the second sleeve 27 is arranged to ensure that the liquid inlet valve core 7 can slide smoothly.
The top end of the liquid inlet valve core 7 is contacted with a telescopic rod of the air cylinder 24, and the air cylinder 24 controls the liquid inlet valve core 7 to move up and down; the cylinder 24 is a low friction thin cylinder.
The cylinder 24 is fixed at the top end of the second support rod 15, and the valve core guide seat 8 is fixed on the liquid inlet seat 6 at the bottom end of the second support rod 15; an inner cavity through which the liquid inlet valve core 7 passes is arranged in the valve core guide seat 8, a second cloth clamping diaphragm 28 is arranged between the inner cavity of the valve core guide seat 8 and the inner cavity of the liquid inlet seat 6, and a flexible sealing partition is formed between the valve core guide seat 8 and the liquid inlet seat 6 through the second cloth clamping diaphragm 28; specifically, the second cloth clamping diaphragm 28 is arranged in the inner cavity of the valve core guide seat 8, the upper end of the second cloth clamping diaphragm 28 is sleeved and fixed on the liquid inlet valve core 7 through a second locking nut 29, the lower end of the second cloth clamping diaphragm is tightly pressed and fixed on the liquid inlet seat 6 through the valve core guide seat 8, a flexible sealing partition is formed between the valve core guide seat 8 and the liquid inlet seat 6, and no leakage is caused when the liquid inlet valve core 7 reciprocates up and down.
A second spring 25 is arranged between the part of the liquid inlet valve core 7 extending out of the valve core guide seat 8 and the valve core guide seat 8, the upper end of the second spring 25 is fixedly connected with the liquid inlet valve core 7 through a spring seat 9, the lower end of the second spring is sleeved and fixed on the valve core guide seat 8, the liquid inlet valve core 7 is reset through the second spring 25, and liquid inlet is stopped.
In order to improve the connection firmness between the first cloth clamping membrane 21 and the filling valve rod 4 and between the second cloth clamping membrane 28 and the liquid inlet valve core 7, the cloth clamping membranes are prevented from loosening; one end that first locking nut 16 and first double-layered cloth diaphragm 21 are connected, the one end that second locking nut 29 and second double-layered cloth diaphragm 28 are connected all are equipped with circular draw-in groove, and during the connection, the tip of first double-layered cloth diaphragm 21 and second double-layered cloth diaphragm 28 all blocks tightly in circular draw-in groove, and the back is screwed up to locking nut like this, and the double-layered cloth diaphragm is difficult for the pine to take off.
The liquid inlet seat 6 is communicated with a connecting pipe 11, and the connecting pipe 11 is connected with a container for containing filling liquid, such as a wine tank.
Back flush drain nozzle 1 is installed to the lower extreme of disk seat 19, little drain nozzle 3 is installed to the liquid outlet end of back flush drain nozzle 1, be provided with spacer 2 and filter screen 20 in the little drain nozzle 3, the setting of spacer and filter screen can avoid the filling in-process to blister, guarantees the accuracy of filling capacity.
The end parts of the telescopic rods of the air cylinder 24 and the double-stroke air cylinder 26 are provided with cushion pads 10 so as to prevent the air cylinder 24 from directly colliding and contacting with the liquid inlet valve core 7 and prevent the double-stroke air cylinder from directly colliding and contacting with the filling valve rod 4, thereby protecting the air cylinder from being damaged.
A liquid level sensor 13 is arranged in the measuring cylinder 12, the liquid level sensor 13 is a magnetostrictive liquid level sensor, and the filling capacity is controlled through the magnetostrictive liquid level sensor.
The utility model discloses a theory of operation:
when the liquid filling measuring cylinder works, filling liquid flows into the liquid inlet seat 6 through the connecting pipe, the air cylinder 24 acts to push the liquid inlet valve core 7 to move downwards and open at the moment, so that the liquid flows into the measuring cylinder 12 to be stored, after the filling liquid in the measuring cylinder 12 reaches a set liquid level, the air cylinder 24 is closed, the second spring 25 pushes the liquid inlet valve core 7 to reset, and liquid inlet is stopped; then the double-stroke cylinder 26 acts to push the filling valve rod 4 to open downwards, the liquid in the measuring cylinder 13 enters the back washing liquid outlet 1 through a liquid circulation channel in the valve seat 19, finally flows into the container through the small liquid outlet 3, and the filling capacity is controlled through the magnetostrictive liquid level sensor.
In the filling process, the double-stroke cylinder 26 can perform two-stage operation to realize variable-flow-rate filling.
In the filling process, the cloth clamping diaphragms are arranged between the liquid inlet valve core and the valve core guide seat and between the filling valve rod and the valve rod guide seat, the cloth clamping diaphragms form flexible sealing, the sealing performance during up-and-down reciprocating motion of the liquid inlet valve core and the filling valve rod is guaranteed, and leakage is avoided.
The cloth clamping membrane is a fiber cloth clamping rubber sheet with stretching elasticity, so that the cloth clamping membrane has certain stretching amount, and the up-and-down reciprocating motion of the liquid inlet valve core and the filling valve rod keeps good sealing and does not leak. The cloth-sandwiched membrane has good high-low temperature regulation performance, good acid-base corrosion resistance, slow aging speed and long service life.
In conclusion, the utility model can improve the sealing performance during hot filling, and effectively avoid leakage during hot filling; the acid and alkali corrosion resistance of the sealing element can be improved, and the aging speed of the sealing element is effectively slowed down.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (10)
1. The utility model provides a diaphragm sealed filling valve for filling machine which characterized in that: comprises a first cloth clamping membrane (21) and a second cloth clamping membrane (28); the upper end of the first cloth clamping membrane (21) is sleeved and fixed on the filling valve rod (4), the lower end of the first cloth clamping membrane is tightly pressed and fixed on the valve body (5) through a valve rod guide seat (17), and flexible sealing is formed among the filling valve rod (4), the valve body (5) and the valve rod guide seat (17);
the upper end of the second cloth clamping membrane (28) is sleeved and fixed on the liquid inlet valve core (7), the lower end of the second cloth clamping membrane is tightly pressed and fixed on the liquid inlet seat (6) through the valve core guide seat (8), and flexible sealing is formed among the liquid inlet valve core (7), the liquid inlet seat (6) and the valve core guide seat (8).
2. The diaphragm-sealed filling valve for a filling machine according to claim 1, wherein: the filling valve rod (4) is slidably arranged in a valve seat (19), and the valve seat (19) is communicated with the lower end of the valve body (5); the upper end of the filling valve rod (4) is connected with the valve rod guide seat (17) in a sliding manner and penetrates out of the valve rod guide seat (17);
the liquid inlet valve core (7) is arranged in the liquid inlet seat (6), and the liquid inlet seat (6) is communicated with one end of the valve body (5); the upper end of the liquid inlet valve core (7) is connected with the valve core guide seat (8) in a sliding way and penetrates out of the valve core guide seat (8).
3. The diaphragm-sealed filling valve for a filling machine according to claim 1, wherein: the first cloth clamping membrane (21) and the second cloth clamping membrane (28) are both fiber cloth clamping rubber sheets with tensile elasticity, high temperature resistance and acid and alkali corrosion resistance.
4. The diaphragm-sealed filling valve for a filling machine according to claim 1, wherein: the top end of the filling valve rod (4) is contacted with a telescopic rod of a double-stroke cylinder (26);
the top end of the liquid inlet valve core (7) is contacted with a telescopic rod of the air cylinder (24); the cylinder (24) is a low friction thin cylinder.
5. The diaphragm-sealed filling valve for a filling machine according to claim 2, wherein: a first spring (22) is arranged between the part of the upper end of the filling valve rod (4) extending out of the valve rod guide seat (17) and the valve rod guide seat (17), the upper end of the first spring (22) is fixedly connected with the filling valve rod (4) through a spring seat (9), and the lower end of the first spring is sleeved and fixed outside the valve rod guide seat (17);
and a second spring (25) is arranged between the part of the liquid inlet valve core (7) extending out of the valve core guide seat (8) and the valve core guide seat (8), the upper end of the second spring (25) is fixedly connected with the liquid inlet valve core (7) through a spring seat (9), and the lower end of the second spring is sleeved and fixed on the valve core guide seat (8).
6. The diaphragm-sealed filling valve for a filling machine according to claim 2, wherein: the liquid inlet seat (6) is communicated with a connecting pipe (11), and the connecting pipe (11) is connected with a container for containing filling liquid.
7. The diaphragm-sealed filling valve for a filling machine according to claim 2, wherein: the backwash liquid outlet nozzle is characterized in that a backwash liquid outlet nozzle (1) is installed at the lower end of the valve seat (19), a small liquid outlet nozzle (3) is installed at the liquid outlet end of the backwash liquid outlet nozzle (1), and a spacer sleeve (2) and a filter screen (20) are arranged in the small liquid outlet nozzle (3).
8. The diaphragm-sealed filling valve for a filling machine according to claim 4, wherein: the end parts of the telescopic rods of the air cylinder (24) and the double-stroke air cylinder (26) are provided with cushion pads (10).
9. The diaphragm-sealed filling valve for a filling machine according to claim 2, wherein: the measuring cylinder (12) is communicated with the other end of the valve body (5), and a magnetostrictive liquid level sensor is arranged in the measuring cylinder (12).
10. The diaphragm-sealed filling valve for a filling machine according to claim 4, wherein: the air cylinder (24) is fixed at the top end of the second supporting rod (15), and the valve core guide seat (8) is fixed on the liquid inlet seat (6) at the bottom end of the second supporting rod (15);
the double-stroke air cylinder (26) is fixed on the top end of the first supporting rod (14), and the valve rod guide seat (17) is fixed on the valve body (5) by the bottom end of the first supporting rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022113246.3U CN213323956U (en) | 2020-09-24 | 2020-09-24 | Diaphragm sealing type filling valve for filling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022113246.3U CN213323956U (en) | 2020-09-24 | 2020-09-24 | Diaphragm sealing type filling valve for filling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213323956U true CN213323956U (en) | 2021-06-01 |
Family
ID=76067426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022113246.3U Active CN213323956U (en) | 2020-09-24 | 2020-09-24 | Diaphragm sealing type filling valve for filling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213323956U (en) |
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2020
- 2020-09-24 CN CN202022113246.3U patent/CN213323956U/en active Active
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