Filling line with pressure detection function

Abstract

The utility model discloses a filling line with pressure detection, which relates to the technical field of filling equipment and comprises a storage tank, a threaded delivery pipe mounted at the bottom of the storage tank, and a pressure detection mechanism mounted in the middle of the threaded delivery pipe, a discharge pipe is fixedly arranged at the bottom of the storage tank, the threaded delivery pipe is fixedly arranged at the bottom end of the discharge pipe, and the pressure detection mechanism is arranged at the bottom end of the discharge pipe. And an electromagnetic valve is fixedly mounted in the middle of the discharging pipe. The electromagnetic valve is arranged between the material storage tank and the threaded conveying pipe, so that when materials in the material storage tank need to be filled into a packaging bag, the electromagnetic valve can be opened to feed the materials into the packaging bag, and when the packaging bag does not need the materials, the electromagnetic valve can be closed, and pressure in the material storage tank cannot be transmitted into the threaded conveying pipe; and pressure mechanisms such as the pressure gauge can detect the pressure in the threaded conveying pipe during filling, cracking and material leakage caused by too large pressure in the threaded conveying pipe are avoided, and the service life of the threaded conveying pipe is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to filling equipment technical field especially a filling line with pressure detection. BACKGROUND

[0002] Filling equipment, mainly is a kind of product in packaging machine, from the packaging angle to material, can be divided into liquid filling machine, paste filling machine, powder filling machine, granular filling machine;From the degree of automation of production, it is divided into semi-automatic filling machine and full-automatic filling production line.The filling equipment in packaging equipment has been in market received more and more attention, and the safe filling of whole production line has very big influence on quality.

[0003] Filling equipment usually utilizes screw conveying pipe to convey material when filling, wherein the screw pipe is a commonly used pipe material, is usually used to convey powder and liquid, it has special screw structure, and can be bent and deformed, can be conveniently connected with other pipelines, and ensures the firmness of connection.

[0004] When filling existing bagged powder, when the storage tank is closed and does not need to fill the packaging bag, the pressure in the storage tank is transmitted to the screw conveying pipe, so that the pressure in the pipe is very high and can be expanded, and after a long time, it can be cracked to cause material leakage. INVENTION CONTENTS

[0005] The utility model discloses to the existing bagged powder when filling, when the storage tank is closed and does not need to fill the packaging bag, the pressure in the storage tank is transmitted to the screw conveying pipe, so that the pressure in the pipe is very high and can be expanded, and after a long time, it can be cracked to cause material leakage's shortcomings, provide a kind of filling line with pressure detection, specific technical solutions are as follows:

[0006] A kind of filling line with pressure detection, including storage tank, screw conveying pipe being installed at the bottom of storage tank and pressure detection mechanism being installed in the middle of screw conveying pipe, the bottom of the storage tank is fixed with discharge pipe, the screw conveying pipe is fixed in the bottom of discharge pipe, the middle of the discharge pipe is fixedly installed with solenoid valve, the pressure detection mechanism includes the detection tube being fixedly installed in the middle of screw conveying pipe, pressure gauge being fixedly installed in the top of detection tube;

[0007] The end of the screw conveying pipe away from the storage tank is fixed with filling pipe for filling powder to packaging bag, the outer side of the filling pipe is equipped with poly powder cover for reducing powder dispersion when filling to packaging bag.

[0008] By adopting the above technical scheme, by setting the solenoid valve between the storage tank and the screw conveying pipe, when the material in the storage tank needs to be filled to the packaging bag, the solenoid valve can be opened to feed the packaging bag, and when the packaging bag does not need material, the solenoid valve can be closed, so that the pressure in the storage tank cannot be transmitted to the screw conveying pipe.

[0009] Optionally, the poly-powder cover comprises a plurality of support rods rotatably arranged on the outer wall of the filling pipe at the end away from the threaded conveying pipe, and a folding cloth fixedly arranged between the plurality of support rods and the outer wall of the filling pipe and tapering.

[0010] By adopting the above technical scheme, the poly-powder cover composed of the plurality of support rods and the folding cloth can cover the bag opening during filling, so as to reduce the powder diffusion during filling, prevent the powder from being scattered to the outside air and polluting the environment, and reduce the waste of the powder.

[0011] Optionally, the outer wall of the one end of the filling pipe is fixedly provided with a reset spring for pressing the support rods to the side of the folding cloth to unfold the folding cloth.

[0012] By adopting the above technical scheme, under the elastic force of the reset spring, the support rods will move to the side of the folding cloth, so as to unfold the folding cloth as a whole.

[0013] Optionally, a fixed plate is fixedly arranged on one side of the bottom of the filling pipe, a threaded hole is formed in the fixed plate, and an adjusting bolt is threadedly connected in the threaded hole of the fixed plate.

[0014] By adopting the above technical scheme, the filling pipe can support and fix the fixed plate, and the fixed plate can support and limit the adjusting bolt through the threaded hole.

[0015] Optionally, a rotating block is fixedly arranged at one end of the adjusting bolt, a movable ring for pressing one end of the unfolded folding cloth to fold the folding cloth is rotatably connected to the outer wall of the rotating block, a taper hole abutting against the outer wall of one end of the folding cloth is formed in the movable ring, and the movable ring is movably arranged outside the filling pipe.

[0016] By adopting the above technical scheme, the rotating block can connect the adjusting bolt and the movable ring, so that the movable ring can move on one side of the adjusting bolt without being separated, the filling pipe can limit the movable ring outside, and the taper hole can press and guide the folding cloth when the movable ring moves.

[0017] Optionally, a handle for holding is fixedly arranged on the top of the filling pipe, and anti-slip lines are formed in the handle.

[0018] By adopting the above technical scheme, the staff can hold the handle to move the filling pipe, and the anti-slip lines reduce the probability of hand slipping when the staff holds the handle.

[0019] In summary, the present application has at least one of the following beneficial effects:

[0020] 1. By setting the electromagnetic valve between the storage tank and the threaded conveying pipe, when the material in the storage tank needs to be filled into the packaging bag, the electromagnetic valve can be opened to feed the packaging bag, and when the packaging bag does not need the material, the electromagnetic valve can be closed, so that the pressure in the storage tank cannot be transmitted to the threaded conveying pipe, and the pressure mechanism such as pressure gauge can detect the pressure inside the threaded conveying pipe during filling, so as to avoid that the threaded conveying pipe is cracked and leaks due to excessive pressure, and the service life of the threaded conveying pipe is prolonged.

[0021] 2. The poly-powder cover composed of a plurality of supporting rods and folding cloth can cover the bag opening during filling to reduce powder dispersion during filling, so that the powder is not easy to disperse into the external air to pollute the environment, and the waste of powder is also reduced, and by rotating the adjusting bolt, the movable ring can be moved, and by the top pressure and guidance of the conical hole in the movable ring, the opening size of the poly-powder cover can be adjusted by the elastic force of the return spring, so that the poly-powder cover can cover the bag opening of packaging bags of different sizes, and the application range is wide. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is the overall structure schematic view of the utility model;

[0023] Figure 2 is another view connection drawing of the storage tank, the discharge pipe and the electromagnetic valve of the utility model;

[0024] Figure 3 is the Figure 1 enlarged view of the structure of the filling pipe and the folding cloth;

[0025] Figure 4 is the internal connection view of the filling pipe and the folding cloth of the utility model.

[0026] BRIEF DESCRIPTION OF DRAWINGS: 1, storage tank; 11, discharge pipe; 12, electromagnetic valve; 2, threaded conveying pipe; 21, detection pipe; 22, pressure gauge; 23, filling pipe; 24, handle; 3, supporting rod; 31, folding cloth; 32, return spring; 4, fixed plate; 41, threaded hole; 42, adjusting bolt; 43, rotating block; 44, movable ring; 45, conical hole. DETAILED DESCRIPTION

[0027] The utility model is further explained in detail as follows. Figures 1-4 The utility model is further explained in detail as follows.

[0028] The utility model embodiment discloses a filling line with pressure detection, and refers to Figures 1-2, including the storage tank 1, screw conveying pipe 2 and pressure detection mechanism, the bottom of the storage tank 1 is fixedly provided with a discharge pipe 11, the screw conveying pipe 2 is fixedly arranged at the bottom end of the discharge pipe 11, the middle part of the discharge pipe 11 is fixedly installed with a solenoid valve 12, the discharge pipe 11 can connect the storage tank 1 and the screw conveying pipe 2, the solenoid valve 12 is arranged between the storage tank 1 and the screw conveying pipe 2, so that when the material in the storage tank 1 needs to be filled into the packaging bag, the solenoid valve 12 can be opened to feed the packaging bag, and when the packaging bag is full and does not need material, the solenoid valve 12 can be closed, so that the pressure in the storage tank 1 will not be transmitted to the screw conveying pipe 2.

[0029] Referring to Figures 1-2 , the pressure detection mechanism includes a detection pipe 21 fixedly installed in the middle part of the screw conveying pipe 2 and a pressure gauge 22 fixedly arranged at the top of the detection pipe 21, the detection pipe 21 can connect the screw conveying pipe 2 and the pressure gauge 22, and the pressure gauge 22 can detect the pressure inside the screw conveying pipe 2, so that the pressure gauge 22 and other pressure mechanisms can detect the pressure inside the screw conveying pipe 2 during filling, avoiding the screw conveying pipe 2 from being cracked due to excessive pressure and prolonging the service life of the screw conveying pipe 2.

[0030] Referring to Figures 1-3 , one end of the screw conveying pipe 2 away from the storage tank 1 is fixedly provided with a filling pipe 23 for filling powder into the packaging bag, the screw conveying pipe 2 can connect the storage tank 1 and the filling pipe 23, and the screw conveying pipe 2 can be bent and deformed and has a certain flexibility, which facilitates the workers to manually hold the filling pipe 23 to fill powder into the packaging bag, and the storage tank 1, the discharge pipe 11, the screw conveying pipe 2 and the filling pipe 23 form a filling line for powder filling, which can continuously fill powder into the packaging bag.

[0031] Referring to Figure 1 , Figure 3 and Figure 4 , a handle 24 for holding is fixedly arranged at the top of the filling pipe 23, and anti-skid lines are formed in the handle 24, so that the workers can move the filling pipe 23 by holding the handle 24, and the anti-skid lines reduce the probability of hand slipping when the workers hold the handle 24.

[0032] Referring to Figure 1 , Figure 3 and Figure 4The outer side of the filling pipe 23 is provided with a powder gathering cover for reducing powder diffusion when filling the packaging bag. The powder gathering cover comprises a plurality of support rods 3 rotatably arranged on the outer wall of one end of the filling pipe 23 away from the threaded conveying pipe 2, and a folding cloth 31 fixedly arranged between the plurality of support rods 3 and the outer wall of the filling pipe 23 and in a conical shape. The plurality of support rods 3 can support the folding cloth 31. The folding manner of the folding cloth 31 is the same as that of the existing umbrella cloth. The powder gathering cover composed of the plurality of support rods 3 and the folding cloth 31 can cover the bag opening of the packaging bag during filling to reduce powder diffusion during filling, so that the powder is not easily scattered into the external air to pollute the environment, and the waste of powder is also reduced.

[0033] Referring to Figure 1 , Figure 3 and Figure 4 , the outer wall of one end of the filling pipe 23 is fixedly provided with a reset spring 32 for pressing the support rod 3 to the side of the folding cloth 31 to unfold the folding cloth 31. The reset spring 32 is fixedly connected between the support rod 3 and the outer wall of the filling pipe 23. Under the elastic force of the reset spring 32, the support rod 3 moves to the side of the folding cloth 31, thereby unfolding the folding cloth 31 as a whole.

[0034] Referring to Figure 1 , Figure 3 and Figure 4 , the bottom side of the filling pipe 23 is fixedly provided with a fixed plate 4. The fixed plate 4 is provided with a threaded hole 41. The threaded hole 41 of the fixed plate 4 is threadedly connected with an adjusting bolt 42. The filling pipe 23 can support and fix the fixed plate 4. The fixed plate 4 can support and limit the adjusting bolt 42 through the threaded hole 41. The adjusting bolt 42 can be a butterfly bolt, so that the staff can directly rotate the adjusting bolt 42 by hand.

[0035] Referring to Figure 1 , Figure 3 and Figure 4 Figure 1 Figure 3 Figure 4 , one end of the adjusting bolt 42 is fixedly provided with a rotating block 43. The outer wall of the rotating block 43 is rotatably connected with a movable ring 44 for pressing one end of the unfolded folding cloth 31 to facilitate folding of the folding cloth 31. The movable ring 44 is provided with a conical hole 45 abutting against the outer wall of one end of the folding cloth 31. The movable ring 44 is movably arranged on the outer side of the filling pipe 23. The rotating block 43 is in the shape of a circular plate. The rotating block 43 can connect the adjusting bolt 42 and the movable ring 44, so that the movable ring 44 can move on one side of the adjusting bolt 42 without being separated. The filling pipe 23 can limit the movable ring 44 on the outer side. The conical hole 45 can press and guide the folding cloth 31 when the movable ring 44 moves.

[0036] When the worker rotates the adjusting screw 42, the adjusting screw 42 and the rotating block 43 are driven to move, thereby driving the movable ring 44 to move transversely on the filling pipe 23, and the movable ring 44 after moving to the side of the folding cloth 31 can press and guide the folding cloth 31 through the conical hole 45, so that the support rod 3 inside the folding cloth 31 can rotate to the side of the reset spring 32, thereby folding the folding cloth 31, and by folding or unfolding the folding cloth 31, the opening size of the powder cover can be adjusted, so that the powder cover can cover the bag opening of the packaging bag of different sizes, thereby reducing the powder dispersion during filling.

[0037] The implementation principle of the filling line with pressure detection in the embodiment of the utility model is as follows:

[0038] When it is needed to fill powder into the packaging bag outside, the worker can cover the bag opening of the packaging bag with the powder cover composed of the plurality of support rods 3 and the folding cloth 31 during filling, so as to reduce the powder dispersion during filling.

[0039] Then, the electromagnetic valve 12 is opened, the filling line composed of the storage tank 1, the discharge pipe 11, the threaded conveying pipe 2 and the filling pipe 23 feeds the packaging bag, the pressure gauge 22 and other pressure mechanisms can detect the pressure inside the threaded conveying pipe 2 during filling, so as to avoid that the threaded conveying pipe 2 is cracked due to excessive pressure, and when the packaging bag is full and does not need material, the electromagnetic valve 12 is closed, so that the pressure in the storage tank 1 is not transmitted to the threaded conveying pipe 2, thereby prolonging the service life of the threaded conveying pipe 2.

[0040] When the worker rotates the adjusting screw 42, the adjusting screw 42 and the rotating block 43 are driven to move, thereby driving the movable ring 44 to move transversely on the filling pipe 23, and the movable ring 44 after moving to the side of the folding cloth 31 can press and guide the folding cloth 31 through the conical hole 45, so that the support rod 3 inside the folding cloth 31 can rotate to the side of the reset spring 32, thereby folding the folding cloth 31.

[0041] When the movable ring 44 slowly moves away from the folding cloth 31, the support rod 3 moves to the side of the folding cloth 31 under the elastic force of the reset spring 32, thereby unfolding the folding cloth 31 as a whole, and by folding or unfolding the folding cloth 31, the opening size of the powder cover can be adjusted, so that the powder cover can cover the bag opening of the packaging bag of different sizes, thereby reducing the powder dispersion during filling.

[0042] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features thereof can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A filling line with pressure detection, comprising a storage tank (1), a threaded delivery pipe (2) installed at the bottom of the storage tank (1), and a pressure detection mechanism installed in the middle of the threaded delivery pipe (2), characterized in that: A discharge pipe (11) is fixedly provided at the bottom of the storage tank (1), the threaded delivery pipe (2) is fixedly provided at the bottom end of the discharge pipe (11), a solenoid valve (12) is fixedly provided at the middle of the discharge pipe (11), and the pressure detection mechanism comprises a detection pipe (21) fixedly provided at the middle of the threaded delivery pipe (2) and a pressure gauge (22) fixedly provided at the top of the detection pipe (21); A filling pipe (23) for filling powder into the packaging bag is fixedly provided at one end of the threaded conveying pipe (2) facing away from the storage tank (1), and a powder collecting cover for reducing the escape of powder when filling the packaging bag is provided on the outside of the filling pipe (23).

2. The filling line with pressure detection according to claim 1, characterized in that: The powder collecting cover comprises a plurality of support rods (3) rotatably arranged on the outer wall of one end of the filling tube (23) away from the threaded conveying tube (2), and a conical folded cloth (31) fixedly arranged between the plurality of support rods (3) and the outer wall of the filling tube (23).

3. A filling line with pressure detection according to claim 2, characterized in that: A return spring (32) is fixedly provided on the outer wall of one end of the filling tube (23) for pressing the support rod (3) toward the folding cloth (31) to unfold the folding cloth (31).

4. The filling line with pressure detection according to claim 3, characterized in that: A fixing plate (4) is fixedly provided on one side of the bottom of the filling tube (23), and a threaded hole (41) is provided in the fixing plate (4).

5. A filling line with pressure detection according to claim 4, characterized in that: The threaded hole (41) of the fixing plate (4) is internally threadedly connected to an adjusting bolt (42).

6. A filling line with pressure detection according to claim 5, characterized in that: A rotating block (43) is fixedly provided at one end of the adjusting bolt (42), and an outer wall of the rotating block (43) is rotatably connected to a movable ring (44) for pressing one end of the unfolded folding cloth (31) to cause the folding cloth (31) to fold.

7. A filling line with pressure detection according to claim 6, characterized in that: A tapered hole (45) is provided in the movable ring (44) and abuts against the outer wall of one end of the folded cloth (31). The movable ring (44) is movably arranged on the outer side of the filling tube (23).

8. The filling line with pressure detection according to claim 1, characterized in that: A handle (24) for holding is fixedly provided on the top of the filling tube (23), and anti-slip grooves are provided inside the handle (24).

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