CN216038606U - Dropping funnel and lubricating grease canning machine - Google Patents

Abstract

The utility model discloses a dropping funnel and a lubricating grease filling machine, wherein the dropping funnel is arranged on a discharge port of the lubricating grease filling machine and comprises a dropping funnel body, a splash-proof cavity is arranged in the dropping funnel body, the minimum width of the splash-proof cavity is larger than the maximum width of the discharge port, a dropping funnel feed port communicated with the splash-proof cavity is arranged at the top of the dropping funnel body, the splash-proof cavity is communicated with the discharge port of the lubricating grease filling machine through the dropping funnel feed port, and a dropping funnel discharge port communicated with the splash-proof cavity is arranged at the bottom of the dropping funnel body. The drip chamber provided by the utility model can prevent materials from splashing to the surrounding environment during discharging, and improves the filling quality.

Description

Dropping funnel and lubricating grease canning machine

Technical Field

The utility model relates to the technical field of paste liquid filling equipment, in particular to a dropping funnel and a lubricating grease filling machine.

Background

The lubricating grease filling machine can be used for filling paste bodies or liquid such as lubricating grease, and the basic principle is that a pressurizing device applies discharging pressure to materials in a hopper, the materials in a discharging section have certain pressure intensity, a material discharging pipe is extruded out of the materials, when some thick paste bodies are filled, bubbles can be mixed in the paste bodies, when the bubbles come out of a pipe opening of the material discharging pipe, the bubbles can burst under the action of internal external pressure intensity difference, so that the materials are sputtered at the pipe opening of the material discharging pipe, the filling quality is reduced, and meanwhile, the surrounding environment is also influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the dropping funnel which can prevent materials from splashing to the surrounding environment during discharging and improve filling quality.

The utility model also provides a lubricating grease filling machine with the dropping funnel.

The dropping funnel is arranged on a discharge port of a lubricating grease filling machine and comprises a dropping funnel body, a splash-proof cavity is arranged in the dropping funnel body, the minimum width of the splash-proof cavity is larger than the maximum width of the discharge port, a dropping funnel feeding port communicated with the splash-proof cavity is arranged at the top of the dropping funnel body, the splash-proof cavity is communicated with the discharge port of the lubricating grease filling machine through the dropping funnel feeding port, and a dropping funnel discharge port communicated with the splash-proof cavity is arranged at the bottom of the dropping funnel body.

The dropping funnel provided by the embodiment of the utility model has at least the following beneficial effects: during the lubricated grease canning machine ejection of compact, can enter into the splashproof intracavity of drip chamber body behind the material through the discharge gate, if mix in the material has the bubble, the bubble bursts after coming out the discharge gate, and sputtered material can be blockked by the inner wall in splashproof chamber, prevents that the material from sputtering to the surrounding environment in, then the material flows out from the drip chamber discharge gate again, and can not influence the filling process, has improved the filling quality. Because the minimum broadband of splashproof chamber is greater than the maximum width of discharge gate, the material gets into and contacts with external air promptly after the splashproof chamber, consequently can eliminate inside and outside pressure difference in advance by the material for some gas of mixing in the material explodes in advance, and the material of final sputtering gathers again and flows at the drip chamber discharge gate department.

According to some embodiments of the utility model, the dropping funnel body comprises a connecting pipe section, a splash-proof pipe section and a discharge pipe section which are sequentially connected, the splash-proof cavity is an inner cavity of the splash-proof pipe section, the dropping funnel feed port is arranged on the connecting pipe section, the dropping funnel discharge port is arranged on the discharge pipe section, the minimum width of the splash-proof cavity is greater than the maximum width of the inner cavity of the connecting pipe section, and the minimum width of the splash-proof cavity is greater than the maximum width of the inner cavity of the discharge pipe section.

According to some embodiments of the utility model, the central axes of the connecting tube section, the splash guard section, and the discharge tube section are collinear with one another.

According to some embodiments of the utility model, a first transition pipe section is arranged between the connecting pipe section and the splash-proof pipe section, and the inner cavity diameter of the first transition pipe section gradually increases from top to bottom.

According to some embodiments of the utility model, a second transition pipe section is arranged between the discharge pipe section and the splash-proof pipe section, and the diameter of an inner cavity of the second transition pipe section is gradually reduced from top to bottom.

A grease filling machine according to a second aspect embodiment of the present invention includes the drip tube according to the above-described first aspect embodiment of the present invention.

The lubricating grease filling machine provided by the embodiment of the utility model has at least the following beneficial effects: during the lubricated grease canning machine ejection of compact, can enter into the splashproof intracavity of drip chamber body behind the material through the discharge gate, if mix in the material has the bubble, the bubble bursts after coming out the discharge gate, and sputtered material can be blockked by the inner wall in splashproof chamber, prevents that the material from sputtering to the surrounding environment in, then the material flows out from the drip chamber discharge gate again, and can not influence the filling process, has improved the filling quality. Because the minimum broadband of splashproof chamber is greater than the maximum width of discharge gate, the material gets into and contacts with external air promptly after the splashproof chamber, consequently can eliminate inside and outside pressure difference in advance by the material for some gas of mixing in the material explodes in advance, and the material of final sputtering gathers again and flows at the drip chamber discharge gate department.

According to some embodiments of the utility model, the device further comprises a rack, a hopper, a discharge pipe and a supercharging device, wherein the hopper, the discharge pipe and the supercharging device are arranged on the rack, the hopper is arranged above the discharge pipe and the supercharging device, the supercharging device is arranged on one side of the discharge pipe, an inner cavity of the hopper, an inner cavity of the discharge pipe and an inner cavity of the supercharging device are communicated with each other, an inner cavity of the discharge pipe is communicated with the splash-proof cavity, a discharge switch is arranged on the discharge pipe, and the discharge switch can close or open the inner cavity of the discharge pipe.

According to some embodiments of the utility model, a three-way rotary valve is arranged between the hopper, the discharge pipe and the pressure boosting device, and an inner cavity of the three-way rotary valve is respectively communicated with an inner cavity of the hopper, an inner cavity of the discharge pipe and an inner cavity of the pressure boosting device.

According to some embodiments of the present invention, the pressurization device includes a pressurization cylinder, a pressurization piston, and a pressurization driving member, the pressurization cylinder is disposed on the machine frame, an inner cavity of the pressurization cylinder is communicated with an inner cavity of the hopper, the pressurization piston is in sealing fit with an inner wall of the pressurization cylinder, the pressurization driving member is connected to the pressurization piston, and the pressurization driving member can drive the pressurization piston to move along a length direction of the pressurization cylinder.

According to some embodiments of the utility model, the discharging switch comprises a switch cylinder and a switch piston, the switch piston is matched with the inner wall of the discharging pipe, the switch cylinder is arranged on the discharging pipe, the switch cylinder is connected with the switch piston and can drive the switch piston to move along the length direction of the discharging pipe, the discharging pipe is communicated with the hopper through a connecting pipe, and the switch piston can block the pipe orifice of the connecting pipe.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a drip chamber according to an embodiment of the present invention;

FIG. 2 is a schematic view of a drip chamber according to another embodiment of the present invention;

fig. 3 is a schematic view of a grease filling machine according to an embodiment of the present invention.

Reference numerals:

the automatic anti-splash device comprises a dropping funnel body 100, a connecting pipe section 110, a dropping funnel feeding hole 111, an anti-splash pipe section 120, an anti-splash cavity 121, a discharging pipe section 130, a dropping funnel discharging hole 131, a first transition pipe section 140, a second transition pipe section 150, a rack 200, a discharging pipe 300, a connecting pipe 310, a hopper 400, a pressurizing cylinder 510, a pressurizing driving piece 520, a three-way rotary valve 600, a switch cylinder 710, a switch piston 720, a valve core driving cylinder 810, a valve core connecting rod 820, an electromagnetic sensor 910, a guide rod 920 and a lead screw 930.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 1 and 3, the dropping funnel according to the embodiment of the first aspect of the present invention, which can be disposed at a discharge port of a grease filling machine, includes a dropping funnel body 100, a splash proof cavity 121 is disposed in the dropping funnel body 100, a minimum width of the splash proof cavity 121 is greater than a maximum width of the discharge port, a dropping funnel feed port 111 communicated with the splash proof cavity 121 is disposed at a top of the dropping funnel body 100, the splash proof cavity 121 is communicated with the discharge port of the grease filling machine through the dropping funnel feed port 111, and a dropping funnel discharge port 131 communicated with the splash proof cavity 121 is disposed at a bottom of the dropping funnel body 100.

During the ejection of compact of lubricating grease canning machine, the material can enter into in the splashproof chamber 121 of drip chamber body 100 after through the discharge gate, if mix in the material has the bubble, the bubble bursts after coming out the discharge gate, and sputtered material can be blockked by the inner wall of splashproof chamber 121, prevents that the material from sputtering to the surrounding environment in, then the material flows out from drip chamber discharge gate 131 again, and can not influence the filling process, has improved the filling quality. Because the minimum broadband of splashproof chamber 121 is greater than the maximum width of discharge gate, the material gets into splashproof chamber 121 after contact with external air promptly, consequently can eliminate inside and outside pressure difference in advance by the material for some gas of mixing in the material explodes in advance, and the material of final sputtering gathers again and flows in the drip chamber discharge gate 131 department.

In some embodiments of the present invention, as shown in fig. 1, the dropping funnel body 100 includes a connecting pipe section 310, a splash-proof pipe section 120 and a discharging pipe section 130 connected in sequence, the splash-proof cavity 121 is an inner cavity of the splash-proof pipe section 120, the dropping funnel feeding port 111 is disposed on the connecting pipe section 310, the dropping funnel discharging port 131 is disposed on the discharging pipe section 130, a minimum width of the splash-proof cavity 121 is greater than a maximum width of the inner cavity of the connecting pipe section 310, and a minimum width of the splash-proof cavity 121 is greater than a maximum width of the inner cavity of the discharging pipe section 130, so that when a material reaches the splash-proof pipe section 120 through the connecting pipe section 310, the material can be in full contact with air communicated with the outside, so as to eliminate a pressure difference between the inside and the outside, burst and release air bubbles inside the material, and sputtered material is also blocked on an inner wall of the splash-proof pipe section 120, and then the sputtered material is normally discharged through the collecting of the discharging pipe section 130, so as to avoid the material bursting to the outside and affect the surrounding environment, the discharging quality is improved.

In the above embodiment, the connection pipe section 310, the splash pipe section 120, and the discharge pipe section 130 can be formed as an integral structure, so as to reduce the production and processing costs of the drip chamber.

It is easy to think that in other embodiments, as shown in fig. 2, the dropping funnel body 100 may only include one splash-proof pipe segment 120, the top of the dropping funnel body 100 is opened with a dropping funnel feeding hole 111, the bottom of the dropping funnel body is opened with a dropping funnel discharging hole 131, the maximum width of the dropping funnel feeding hole 111 and the maximum width of the dropping funnel discharging hole 131 are both smaller than the minimum width of the splash-proof cavity 121, and the effect of allowing the bubbles to burst in advance can also be achieved. The whole inner cavity of the splash-proof pipe section 120 can be designed into a spindle shape, namely, the upper end and the lower end are small, and the middle is large, so that the splash-proof pipe section is more favorable for containing materials.

In some embodiments of the present invention, the central axes of connecting tube section 310, splash tube section 120, and discharge tube section 130 are collinear to reduce contact between the material and the side wall of splash guard 121, and to reduce material residue on the side wall of splash guard 121, thereby reducing material waste.

In some embodiments of the present invention, a first transition pipe section 140 is disposed between the connecting pipe section 310 and the splash proof pipe section 120, and the inner cavity diameter of the first transition pipe section 140 gradually increases from top to bottom. By arranging the first transition pipe section 140, the included angle formed by the side wall of the connecting pipe 310 section 110 and the side wall of the splash proof pipe section 120 is an obtuse angle, which is more convenient for cleaning the inner cavity of the drip chamber than a right angle or an acute angle.

In some embodiments of the present invention, a second transition pipe section 150 is disposed between the discharge pipe section 130 and the splash-proof pipe section 120, the diameter of an inner cavity of the second transition pipe section 150 is gradually reduced from top to bottom, a material burst and sputtered in the splash-proof cavity 121 is adhered to the cavity wall of the splash-proof cavity 121, and remains at the bottom of the splash-proof cavity 121 along with the action of gravity, and the material can be guided to smoothly pass through the discharge pipe section 130 through the inclined inner wall of the second transition pipe section 150, so as to reduce the residue of the material in the dropper; moreover, the included angle formed by the side wall of the discharging pipe section 130 and the side wall of the splash-proof pipe section 120 is an obtuse angle, and compared with a right angle or an acute angle, the inner cavity of the dropping funnel is more conveniently cleaned.

As shown in fig. 3, a grease filling machine according to a second aspect embodiment of the present invention includes the drip tube according to the first aspect embodiment of the present invention.

During the ejection of compact of lubricating grease canning machine, the material can enter into in the splashproof chamber 121 of drip chamber body 100 after through the discharge gate, if mix in the material has the bubble, the bubble bursts after coming out the discharge gate, and sputtered material can be blockked by the inner wall of splashproof chamber 121, prevents that the material from sputtering to the surrounding environment in, then the material flows out from drip chamber discharge gate 131 again, and can not influence the filling process, has improved the filling quality. Because the minimum broadband of splashproof chamber 121 is greater than the maximum width of discharge gate, the material gets into splashproof chamber 121 after contact with external air promptly, consequently can eliminate inside and outside pressure difference in advance by the material for some gas of mixing in the material explodes in advance, and the material of final sputtering gathers again and flows in the drip chamber discharge gate 131 department.

In some embodiments of the present invention, as shown in fig. 3, the present invention further includes a rack 200, a hopper 400, a discharge pipe 300, and a pressurizing device, wherein the hopper 400, the discharge pipe 300, and the pressurizing device are disposed on the rack 200, the hopper 400 is disposed above the discharge pipe 300 and the pressurizing device, the pressurizing device is disposed at one side of the discharge pipe 300, an inner cavity of the hopper 400, an inner cavity of the discharge pipe 300, and an inner cavity of the pressurizing device are communicated with each other, an inner cavity of the discharge pipe 300 is communicated with the splashproof cavity 121, and a discharge switch is disposed on the discharge pipe 300, and the discharge switch can close or open the inner cavity of the discharge pipe 300. Wherein, hopper 400 is used for storing the material, and when irritating the material, the material of hopper 400 flows into and fills to discharging pipe 300, then supercharging device exerts pressure to the material in discharging pipe 300, opens the ejection of compact switch after, the discharging pipe 300 is extruded to the material under the effect of pressure, makes the smooth filling ejection of compact of material.

In combination with some embodiments, the discharge pipe 300 may be provided with an external thread, and the connection pipe 310 of the dropper body may be provided with an internal thread matching with the external thread, so as to facilitate the assembly and disassembly of the dropper body.

In some embodiments of the present invention, a three-way rotary valve 600 is disposed between the hopper 400, the discharge pipe 300 and the pressurizing device, the inner cavity of the three-way rotary valve 600 is respectively communicated with the inner cavity of the hopper 400, the inner cavity of the discharge pipe 300 and the inner cavity of the pressurizing device, by disposing the three-way rotary valve 600, whether the hopper 400 is communicated with the discharge pipe 300 or not and whether the hopper 400 is communicated with the pressurizing device or not are conveniently controlled, thereby more conveniently controlling the material to enter and exit, for example, before the material is pressurized, the three-way rotary valve 600 can be rotated to communicate the hopper 400 with the pressurizing device and the discharge pipe 300, and the discharge switch is opened to make the atmospheric pressure in the hopper 400 and the discharge pipe 300 the same, the material can naturally flow into and fill the inner cavity of the pressurizing device and the inner cavity of the discharge pipe 300, then the three-way rotary valve 600 is rotated again to close the inner cavity of the hopper 400, thereby when the pressurizing device pressurizes the material, the material in the hopper 400 is not affected, so that the material can be smoothly discharged out of the discharge pipe 300.

The three-way rotary valve 600 is a common valve device, and can open or close some valve ports by rotating the valve core, so as to meet the specified material conveying requirement.

Further, in some embodiments, a valve core driving mechanism for driving the three-way rotary valve 600 may be disposed on the rack 200 to drive the valve core of the three-way rotary valve 600 to rotate, the valve core driving mechanism may include a valve core driving cylinder 810 and a valve core connecting rod 820, a fixed seat end of the valve core driving cylinder 810 is rotatably connected to the rack 200, a movable rod end of the valve core driving cylinder 810 is rotatably connected to one end of the valve core connecting rod 820, and another end of the valve core connecting rod 820 is fixedly connected to a rotating shaft of the valve core, so that the valve core can be driven to rotate by the telescopic action of the valve core driving cylinder 810 to control the valve core action of the three-way rotary valve 600, it should be noted that the valve core driving cylinder 810 is a common cylinder and is specifically named to distinguish other driving elements of the embodiments of the present invention. Of course, in some embodiments, the valve core driving cylinder 810 may be replaced by a hydraulic cylinder, an electric push rod, or other telescopic driving elements.

In some embodiments of the present invention, the pressurization device includes a pressurization cylinder 510, a pressurization piston, and a pressurization driving member 520, the pressurization cylinder 510 is disposed on the machine frame 200, an inner cavity of the pressurization cylinder 510 is communicated with an inner cavity of the hopper 400, the pressurization piston is in sealing fit with an inner wall of the pressurization cylinder 510, the pressurization driving member 520 is connected with the pressurization piston, and the pressurization driving member 520 can drive the pressurization piston to move along a length direction of the pressurization cylinder 510. When the material is pressurized, the pressurizing piston is driven to move by controlling the pressurizing driving piece 520, and the pressurizing piston directly extrudes the material, so that the material obtains the discharging pressure. Wherein, pressure boost driving piece 520 can be established to common cylinder, pneumatic cylinder or electric putter etc. for example, when pressure boost driving piece 520 is the cylinder, the fixing base one end of pressure boost driving piece 520 is fixed in on the frame 200, and its movable rod end and pressure boost piston fixed connection drive pressure boost piston through self flexible action and remove from this to the realization is to the material pressure boost.

Further, in some embodiments, an electromagnetic sensor 910 is disposed on one side of the pressurization driving member 520, and can sense the approach of the piston in the cylinder, the electromagnetic sensor 910 is electrically connected to the discharging switch, and when the piston of the cylinder operates close to the electromagnetic sensor 910, the electromagnetic sensor 910 transmits an electrical signal to the discharging cylinder, so that the discharging cylinder operates to control whether to discharge or not. Therefore, the piston of the pressurization driving member 520 can move for a predetermined amount of travel by changing the position of the electromagnetic sensor 910, so as to achieve the effect of quantitative discharging. The electromagnetic sensor 910 can be disposed on one guide rod 920, the pressurizing driving member 520 is provided with a screw rod 930, and the screw rod 930 is screwed with the electromagnetic sensor 910, so that the electromagnetic sensor 910 can be driven to move by rotating the screw rod 930, the stroke of the air cylinder can be conveniently adjusted, and the discharge amount of the material can be adjusted.

In some embodiments of the present invention, the discharging switch includes a switch cylinder 710 and a switch piston 720, the switch piston 720 is engaged with an inner wall of the discharging pipe 300, the switch cylinder 710 is disposed on the discharging pipe 300, the switch cylinder 710 is connected to the switch piston 720 and can drive the switch piston 720 to move along a length direction of the discharging pipe 300, the discharging pipe 300 is communicated with the hopper 400 through the connecting pipe 310, and the switch piston 720 can close a pipe orifice of the connecting pipe 310. From this, through control switch cylinder 710, drive switch piston 720 and remove and control the orificial opening or closing of connecting pipe 310, thereby control ejection of compact process, switch piston 720's height can be more than or equal to the height of connecting pipe 310 inner chamber, when making switch piston 720 just be located connecting pipe 310 orifice department, can seal the connecting pipe 310 orifice, when being greater than the height of connecting pipe 310 inner chamber, switch piston 720 can seal the orifice of connecting pipe 310 more conveniently.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the present invention.

Claims (10)

1. The utility model provides a dropping funnel sets up on the discharge gate of lubricating grease canning machine, its characterized in that includes:

drip chamber body (100), be equipped with splashproof chamber (121) in drip chamber body (100), the minimum width in splashproof chamber (121) is greater than the maximum width of discharge gate, the top of drip chamber body (100) be equipped with drip chamber feed inlet (111) of splashproof chamber (121) intercommunication, splashproof chamber (121) pass through drip chamber feed inlet (111) and lubricating grease canning machine's discharge gate intercommunication, the bottom of drip chamber body (100) be equipped with drip chamber discharge gate (131) of splashproof chamber (121) intercommunication.

2. The drip chamber of claim 1,

drip chamber body (100) is including connecting pipe (310) section (110), splashproof pipeline section (120) and ejection of compact pipe section (130) that connect gradually, splashproof chamber (121) do the inner chamber of splashproof pipeline section (120), drip chamber feed inlet (111) are located on connecting pipe (310) section (110), drip chamber discharge gate (131) are located on ejection of compact pipeline section (130), the minimum width in splashproof chamber (121) is greater than the maximum width of the inner chamber of connecting pipe (310) section (110), the minimum width in splashproof chamber (121) is greater than the maximum width of the inner chamber of ejection of compact pipeline section (130).

3. The drip chamber of claim 2,

the central axes of the connecting tube (310) segment (110), the splash tube segment (120), and the discharge tube segment (130) are collinear with one another.

4. The drip chamber of claim 2,

a first transition pipe section (140) is arranged between the connecting pipe (310) section (110) and the splash-proof pipe section (120), and the diameter of an inner cavity of the first transition pipe section (140) is gradually increased along the direction from top to bottom.

5. The drip chamber of claim 2,

a second transition pipe section (150) is arranged between the discharging pipe section (130) and the splash-proof pipe section (120), and the diameter of an inner cavity of the second transition pipe section (150) is gradually reduced along the direction from top to bottom.

6. A lubricating grease canning machine is characterized by comprising:

the drip chamber of any one of claims 1 to 5.

7. The grease filling machine according to claim 6,

still include frame (200), hopper (400), discharging pipe (300) and supercharging device, hopper (400) discharging pipe (300) with supercharging device locates on frame (200), hopper (400) are located discharging pipe (300) with supercharging device's top, supercharging device is located one side of discharging pipe (300), the inner chamber of hopper (400) the inner chamber of discharging pipe (300) with supercharging device's inner chamber communicates each other, the inner chamber of discharging pipe (300) with splashproof chamber (121) intercommunication, be equipped with ejection of compact switch on discharging pipe (300), ejection of compact switch can be closed or open the inner chamber of discharging pipe (300).

8. The grease filling machine according to claim 7,

the hopper (400), the discharge pipe (300) and the supercharging device are provided with a three-way rotary valve (600) therebetween, and the inner cavity of the three-way rotary valve (600) is communicated with the inner cavity of the hopper (400), the inner cavity of the discharge pipe (300) and the inner cavity of the supercharging device respectively.

9. The grease filling machine according to claim 7,

supercharging device includes a pressurization section of thick bamboo (510), pressure boost piston and pressure boost driving piece (520), pressure boost section of thick bamboo (510) are located on frame (200), the inner chamber of pressurization section of thick bamboo (510) with the inner chamber intercommunication of hopper (400), pressure boost piston with the sealed cooperation of inner wall of pressurization section of thick bamboo (510), pressure boost driving piece (520) with the pressure boost piston is connected, pressure boost driving piece (520) can drive the pressure boost piston is followed the length direction of pressurization section of thick bamboo (510) removes.

10. The grease filling machine according to claim 7,

the ejection of compact switch includes switch cylinder (710) and switch piston (720), switch piston (720) with the inner wall cooperation of discharging pipe (300), switch cylinder (710) set up on discharging pipe (300), switch cylinder (710) with switch piston (720) are connected and can be driven switch piston (720) are followed the length direction of discharging pipe (300) removes, discharging pipe (300) through connecting pipe (310) with hopper (400) intercommunication, switch piston (720) can the shutoff the mouth of pipe of connecting pipe (310).

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