CN215286440U

CN215286440U - Feeding device

Info

Publication number: CN215286440U
Application number: CN202121372478.9U
Authority: CN
Inventors: 魏驰
Original assignee: Foshan Dingli Automation Technology Co ltd
Current assignee: Foshan Dingli Automation Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-24
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to the technical field of pipe production, in particular to a feeding device, which comprises a material storage container provided with a feeding port; the device also comprises a pressure device; the pressure device comprises a pressure cylinder and a cylinder plug piece with reciprocating power; the cylinder plug is embedded into the pressure cylinder; the pressure cylinder is provided with a pressure discharge hole and a pressure feeding hole communicated with the feed hole; the pressure device further comprises a one-way valve, the inlet end of the one-way valve is communicated with the pressure feeding port, the outlet end of the one-way valve is communicated with the inner cavity of the pressure cylinder, the pressure discharging port is communicated with the inner cavity of the pressure cylinder, and a gap is formed between the cylinder plug piece and the pressure discharging port when the cylinder plug piece is located at the topmost end. The utility model can output fluid such as wax liquid with larger pressure; the blockage of the discharge pipe and the supplied device can be avoided; the structure of the check valve and the pressure cylinder seat can be simplified, and the processing and the manufacturing are convenient.

Description

Feeding device

Technical Field

The utility model relates to a tubular product production technical field, in particular to feedway.

Background

In the conventional pipe production, a feeding device for supplying liquid such as wax and the like generally comprises a storage container, wherein the storage container is completely closed; the wax in the storage container is heated to form fluid, and the fluid such as the wax is output to a discharge pipe and supplies to a supplied device such as a nozzle by means of the self weight or the internal pressure of the sealed storage container.

In summary, the prior art has at least the following technical problems,

first, the output pressure of the fluid, such as wax liquid, is low, resulting in a low wax spray velocity, which requires a corresponding reduction in the velocity of the pipe being sprayed past the nozzle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve or alleviate the above-mentioned first technical problem.

The utility model adopts the measure that the feeding device comprises a material storage container provided with a feeding port; the device also comprises a pressure device; the pressure device comprises a pressure cylinder and a cylinder plug piece with reciprocating power; the cylinder plug is embedded into the pressure cylinder; the pressure cylinder is provided with a pressure discharge hole and a pressure feeding hole communicated with the feed hole; the pressure device further comprises a one-way valve, the inlet end of the one-way valve is communicated with the pressure feeding port, the outlet end of the one-way valve is communicated with the inner cavity of the pressure cylinder, the pressure discharging port is communicated with the inner cavity of the pressure cylinder, and a gap is formed between the cylinder plug piece and the pressure discharging port when the cylinder plug piece is located at the topmost end.

The utility model discloses the effect that reaches does, can export fluid such as the wax liquid of great pressure.

The feeding port is communicated with the pressure feeding port through the feeding pipe, the pressure discharging port is communicated with the discharging pipe through the pressure output pipe, and the material returning structure comprises a first material returning pipe and a second material returning pipe; the both ends of first feed back pipe communicate with discharging pipe, feed pipe respectively, and the both ends of second feed back pipe communicate with discharging pipe, feed pipe respectively, and pressure output tube, first feed back pipe and second feed back pipe, feed pipe all are provided with the valve.

Can avoid the blockage of the discharge pipe and the supplied device.

According to a further technical scheme, the material returning structure further comprises a first three-way valve and a second three-way valve; the first three-way valve is arranged on the pressure output pipe and communicated with the first return pipe, and the second three-way valve is arranged on the feeding pipe and communicated with the second return pipe.

The number of the electromagnetic valves can be reduced, and the cost can be reduced.

Further technical scheme, the feed pipe is provided with the strainer valve.

Can prevent the feed pipe jam.

In a further technical scheme, the filter valve is a Y-shaped filter.

According to a further technical scheme, the check valve comprises a check valve core, a check valve shell provided with a check valve cavity, the check valve core is arranged in the check valve cavity, two ends of the check valve shell are respectively communicated with the pressure feeding port and an inner cavity of the pressure cylinder, and the check valve core covers the pressure feeding port.

According to a further technical scheme, the check valve further comprises a check valve body provided with a through hole, the check valve body is arranged in a check valve cavity, and the check valve core is in linear sliding connection with the check valve body.

The one-way valve core can be ensured to cover the pressure feeding port, and the reliability is improved.

According to a further technical scheme, the pressure cylinder comprises a pressure cylinder seat, the one-way valve cavity is formed in the pressure cylinder seat, the one-way valve shell is integrally connected with the pressure cylinder, and the pressure discharge hole is formed in the pressure cylinder seat and communicated with the one-way valve shell.

The structure of the check valve and the pressure cylinder seat can be simplified, and the processing and the manufacturing are convenient.

In a further technical scheme, the pressure cylinder seat is a detachable base of the pressure cylinder.

The assembly of the pressure device is facilitated.

According to a further technical scheme, the pressure device further comprises a reciprocating power device, the pressure cylinder base is provided with a connecting pull hole, and the reciprocating power device is provided with a connecting pull rod which penetrates through the connecting pull hole and abuts against the pressure cylinder base.

In conclusion, the utility model can achieve the following technical effects,

1, can output fluid such as wax liquid with larger pressure.

2, the discharge pipe and the supplied device can be prevented from being blocked.

3, the structure of the check valve and the pressure cylinder seat can be simplified, and the processing and the manufacturing are convenient.

Drawings

Fig. 1 is a schematic view of a feeding device according to an embodiment of the invention.

Fig. 2 is a schematic perspective view of a feeding device according to an embodiment of the invention; the bracket 19 is not shown.

Fig. 3 is a schematic exploded perspective view of a feeding device according to an embodiment of the present invention.

Fig. 4 is a schematic bottom view of a feeding device according to an embodiment of the invention.

Fig. 5 is a schematic perspective exploded view of the pressure device 2 according to an embodiment of the present invention.

Fig. 6 is a schematic perspective exploded view of the pressure device 2 according to an embodiment of the present invention.

Fig. 7 is a schematic perspective view of a half-section of check valve body 24 according to an embodiment of the present invention.

Fig. 8 is a schematic perspective view of a half section of a pressure cylinder according to an embodiment of the present invention.

Fig. 9 is a schematic illustration of profile one SEC 1.

Fig. 10 is a schematic diagram of profile two SEC 2.

FIG. 11 is a schematic diagram of detail one DTL 1; arrow ARR1 represents the general path of fluid flow into the cylinder 22 during active intake; arrow two ARR2 represents the general path of fluid flow from cylinder 22 during a pressurized output.

FIG. 12 is a schematic diagram of detail two DTL 2; arrow three ARR3 represents the general path that the piston 21 is raised during the return stroke so that fluid flows into the cylinder 22; during the return of the arrow four ARR4, the cylinder plug 21 descends such that fluid flows into the general path of the magazine 1.

Arrow one ARR 1; arrow two ARR 2; arrow three ARR 3; arrow tetra ARR 4; section one SEC 1; section two SEC 2; detail one DTL 1; detail two DTL 2; a material storage container 1; a feedwell 11; a feed pipe 111; a stirring blade 12; a stirring motor 121; a speed governor 122; a mounting table 13; a protective cover 139; a bracket 19; a pressure device 2; a cylinder plug 21; a reciprocating power device 211; a connecting pull rod 216; a pressure cylinder 22; a pressure feed port 221; a pressure discharge port 222; a one-way valve cavity 223; a cylinder block 224; a seal seat 225; a connecting pull hole 226; a one-way valve element 23; a guide post 232; a check valve body 24; a through hole 241; a guide hole 242; a limit projection 243; an elastic member 25; a clamp spring 26; a clamp spring groove 261; a pressure output pipe 27; a material returning structure 3; a first return pipe 31; a first three-way valve 311; a second return pipe 32; the second three-way valve 321; a filter valve 5; a discharge pipe 6; a seal ring 8; a pressure regulating valve 9.

Detailed Description

The following description will be made in conjunction with the accompanying drawings.

As a specific example, the feeding device of the present invention includes a storage container 1 provided with a material supply port 11.

The storage container 1 is used for storing or conveying fluid such as wax liquid and the like; in order to make the fluid such as the wax liquid in the storage container 1 continuously have fluidity, a heating pipe (not shown in the drawings) is arranged on the outer wall of the storage container 1 or in the storage container 1 to ensure the temperature of the fluid such as the wax liquid in the storage container 1, so as to ensure the fluidity of the fluid such as the wax liquid in the storage container 1. In a specific embodiment, a stirring blade 12 having a rotational power is provided in the magazine 1 so that the fluid such as the wax liquid in the magazine 1 is relatively uniform.

The feeding device of the embodiment of the utility model also comprises a pressure device 2;

the pressure device 2 includes a cylinder 22 and a cylinder plug 21 having a reciprocating power; the cylinder plug 21 is embedded in the pressure cylinder 22.

In a specific embodiment, the side wall of the cylinder plug 21 is provided with a plurality of sealing rings 8 to improve the sealing between the cylinder plug 21 and the inner wall of the pressure cylinder 22.

In a specific embodiment, the pressure device 2 further comprises a reciprocating power device 211, and the output end of the reciprocating power device 211 is connected with the cylinder plug 21, so that the cylinder plug 21 is provided with reciprocating power. For example, the reciprocating power device 211 is a cylinder controlled by a PLC and a solenoid valve, and the cylinder is reciprocated by a command from the PLC. In another embodiment (not shown in the drawings), the reciprocating power device 211 is a motor, a rotation output end of the motor outputs rotation power, and both ends of the connecting rod are respectively hinged with the rotation output end of the motor and the cylinder plug 21, so that the reciprocating power device 211 has reciprocating power.

The pressure cylinder 22 is provided with a pressure discharge port 222 and a pressure feed port 221 communicating with the feed port 11.

The pressure device 2 further comprises a one-way valve (not shown in the figure), an inlet end of the one-way valve is communicated with the pressure feeding port 221, an outlet end of the one-way valve is communicated with an inner cavity of the pressure cylinder 22, the pressure discharging port 222 is communicated with the inner cavity of the pressure cylinder 22, and a gap (not shown in the figure) is formed between the cylinder plug 21 and the pressure discharging port 222 when the cylinder plug is located at the topmost end. The one-way valve is a conventional one-way valve that only allows one-way passage of fluid through the one-way valve. As shown in fig. 10, the pressure discharge port 222 is located at the bottom end of the pressure cylinder 22, and the cylinder plug 21 is located at the extreme position of the topmost end; at this time, a gap is provided between the cylinder plugs 21. As another embodiment, the pressure discharge port 222 is located in the middle of the pressure cylinder 22, and when the cylinder plug 21 is located at the topmost limit position, a gap also exists between the cylinder plug 21 and the pressure discharge port 222; of course, in order to ensure that the fluid such as wax liquid in the pressure discharge port 222 does not enter the top side of the cylinder plug 21, the formation of the cylinder plug 21 also needs to be limited to ensure that the cylinder plug 21 does not move until the top side of the cylinder plug 21 is communicated with the pressure discharge port 222.

The working principle is that before use, the pressure discharge port 222 is communicated with a supplied device (such as a nozzle).

In use, the reciprocating power device 211 is started to enable the reciprocating power device 211 to output reciprocating power, and the reciprocating power device 211 drives the cylinder plug part 21 to reciprocate along the inner cavity of the pressure cylinder 22.

When the cylinder plug 21 moves back and forth along the pressure cylinder 22 and the cylinder plug 21 is far away from the one-way valve, the one-way valve is opened, and the liquid such as wax liquid in the storage container 1 passes through the one-way valve due to atmospheric pressure and then enters the inner cavity of the pressure cylinder 22 completely or partially (the other part is directly output through the pressure feeding port 221); after a plurality of cycles of the above-described cycle, the inner cavity of the pressure cylinder 22 can be surely filled with the fluid such as the wax liquid.

When the cylinder plug 21 approaches the one-way valve in the process that the cylinder plug 21 reciprocates along the pressure cylinder 22, the closed valve of the one-way valve and fluid such as wax liquid in the pressure cylinder 22 are pushed by the cylinder plug 21 to be output from the pressure feeding port 221.

Compared with the prior art, the liquid such as the wax liquid is output only by means of the dead weight of the liquid such as the wax liquid in the storage container 1, the cylinder plug 21 pushes the liquid such as the wax liquid in the pressure cylinder 22 to output the liquid such as the wax liquid, and the liquid such as the wax liquid with larger pressure can be output.

As a specific embodiment, the check valve includes a check valve core 23 and a check valve housing (not shown in the drawings) provided with a check valve cavity 223, the check valve core 23 is disposed in the check valve cavity 223, two ends of the check valve housing are respectively communicated with the pressure feeding port 221 and the inner cavity of the pressure cylinder 22, and the check valve core 23 covers the pressure feeding port 221. In a specific embodiment, the check valve housing has a cylindrical shape such as a cylindrical shape or a square cylindrical shape.

The check valve further comprises a check valve body 24 provided with a through hole 241, the check valve body 24 is arranged in the check valve cavity 223, and the check valve core 23 is linearly connected with the check valve body 24 in a sliding mode. The position of the check valve body 23 can be ensured, so that the check valve body 23 can be ensured to cover the pressure feeding port 221, and the reliability can be improved.

The check valve body 24 is provided with a guide post 232, the check valve body 24 is provided with a guide hole 242, and the guide post 232 is inserted into the guide hole 242, so that the check valve core 23 is linearly slidably coupled with the check valve body 24.

The inner wall of the guide hole 242 extends to form a limit protrusion 243 facing the check valve element 23, that is, when the check valve element 23 slides linearly relative to the check valve body 24, the limit protrusion 243 can support the check valve element 23. The stroke capable of guiding the guide post 232 along the long direction while restricting the position of the check valve body 23.

The check valve further comprises an elastic member 25, one part of the elastic member 25 is connected with the check valve core 23, and the other part of the elastic member 25 is connected with the check valve body 24 or the check valve shell, so that the check valve core 23 has a tendency to be close to the pressure feeding port 221. The sealing property when the check valve body 23 covers the pressure feed port 221 can be improved.

The pressure cylinder 22 comprises a cylinder seat 224, a one-way valve cavity 223 is arranged on the cylinder seat 224, and the one-way valve shell is integrally connected with the pressure cylinder 22, that is, the one-way valve shell is integrally connected with the pressure cylinder 22, and a pressure discharge hole 222 is arranged on the cylinder seat 224 and is communicated with the one-way valve shell, so that the pressure discharge hole 222 is communicated with an inner cavity of the cylinder seat 224 through the one-way valve shell. The structure of the check valve and the cylinder block 224 can be simplified, and the processing and manufacturing are facilitated.

Cylinder block 224 is a removable base for cylinder 22. Facilitating the assembly of the pressure device 2.

The cylinder block 224 is fixedly provided with a seal seat 225, and the seal seat 225 abuts against an inner cavity of the cylinder block 224, an outer wall of the cylinder block 224, or a bottom end of the cylinder 22. The sealing seat 225 is provided with a sealing ring 8 to improve sealing. Facilitating the assembly of the pressure device 2.

The pressure device 2 further comprises a reciprocating power device 211, the pressure cylinder base 224 is opened with a connecting pull hole 226, the reciprocating power device 211 is provided with a connecting pull rod 216 which passes through the connecting pull hole 226 and is abutted against the pressure cylinder base 224, so that the pressure cylinder base 224 can be detached. In a specific embodiment, the connecting rod 216 is a bolt, and the bolt head of the connecting rod abuts against the pressure cylinder seat 224; in another embodiment, the connecting rod 216 is a threaded rod that is threadedly engaged with a nut that abuts against the cylinder block 224.

A clamp spring groove 261 is formed in the inner wall of the check valve cavity 223, and a clamp spring 26 abutting against the check valve body 24 is arranged in the clamp spring groove 261, so that the check valve body 24 is fixed in the check valve cavity 223. Facilitating the assembly of the pressure device 2.

As shown in fig. 12, as a specific embodiment, the system further includes a material returning structure 3 and a material discharging pipe 6, the material supplying port 11 is communicated with the pressure material supplying port 221 through a material supplying pipe 111, the pressure material discharging port 222 is communicated with the material discharging pipe 6 through a pressure output pipe 27, and the material returning structure 3 includes a first material returning pipe 31 and a second material returning pipe 32; the both ends of first feed back pipe 31 communicate with discharging pipe 6, feed pipe 111 respectively, and the both ends of second feed back pipe 32 communicate with discharging pipe 6, feed pipe 111 respectively, and pressure output tube 27, first feed back pipe 31 and second feed back pipe 32, feed pipe 111 all are provided with the valve (the attached drawing does not mark). The valve is a brake valve (such as a solenoid valve) or a manual valve. When the pressure output pipe 27 is unblocked, the feeding pipe 111 is unblocked; the first return pipe 31 and the second return pipe 32 are blocked, and the fluid is output from the pressure discharge port 222 and then is output to the discharge pipe 6 through the pressure output pipe 27. As shown in fig. 12, when the device to be supplied stops operating, it is necessary to empty the fluid such as wax liquid in the discharge pipe 6 and the device to be supplied in order to prevent the discharge pipe 6 and the device to be supplied from being clogged. At this time, the reciprocating power device 211 is turned on to reciprocate the cylinder plug 21 and control the valve (by manual control, PLC control, or the like). In the upward movement process of the cylinder plug 21, the lower half portion of the pressure output pipe 27 (the boundary with the first return pipe 31 is divided into the upper half portion and the lower half portion), the front end of the supply pipe 111 (the boundary with the second return pipe 32 is divided into the front end and the tail end) is blocked, the tail ends of the second return pipe 32 and the supply pipe 111 (communicated with the pressure feeding port 221) are unblocked, and the fluids such as the wax liquid in the discharge pipe 6 and the second return pipe 32 sequentially pass through the discharge pipe 6, the second return pipe 32 and the tail end of the supply pipe 111 to be sucked into the pressure cylinder 22. Then, in the downward movement process of the cylinder plug 21, the lower half part of the pressure output pipe 27 and the tail end of the feed pipe 111 are blocked; the first return pipe 31 is unblocked, and the liquid such as the wax liquid in the pressure cylinder 22 enters the storage container 1 through the upper half part of the pressure output pipe 27, the second return pipe 32 and the front end of the feeding port 11 in sequence. After circulating for a plurality of times according to this, can get into storage container 1 with fluid such as the interior wax liquid resorption of discharging pipe 6 and by the feeding mechanism to can avoid discharging pipe 6 and by the feeding mechanism jam.

The material returning structure 3 further comprises a first three-way valve 311 and a second three-way valve 321; the first three-way valve 311 is disposed on the pressure output pipe 27 and is communicated with the first return pipe 31, and the second three-way valve 321 is disposed on the supply pipe 111 and is communicated with the second return pipe 32. The number of the electromagnetic valves can be reduced, and the cost can be reduced.

The feed pipe 111 is provided with a filter valve 5. The supply pipe 111 can be prevented from being clogged (e.g., by foreign substances in the stock container 1).

The filter valve 5 is a Y-filter.

As used in the present invention, the term: first, second, etc. do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

As used in the present invention, the term: one, etc. do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item.

As in the present invention, the term indicating orientation or position is used: top, bottom, side, longitudinal, lateral, middle, center, outer, inner, horizontal, vertical, left, right, above, below, and the like are intended to reflect relative positions, not absolute positions.

The term as used in the present invention: approximate, whole, approximate, close, etc., are words of definition that specify the presence of stated features but allow for certain deviations. The amount of tolerance for a certain deviation may vary depending on the particular context; for example, the specific context in which deviations from size may be relied upon includes, but is not limited to, national standards for dimensional tolerances.

Claims

1. A feeding device comprising a storage container (1) provided with a feeding opening (11);

it is characterized by also comprising a pressure device (2); the pressure device (2) comprises a pressure cylinder (22) and a cylinder plug (21) with reciprocating power; the cylinder plug (21) is embedded into the pressure cylinder (22); the pressure cylinder (22) is provided with a pressure discharge hole (222) and a pressure feeding hole (221) communicated with the feeding hole (11); pressure device (2) still include the check valve, the entry end and pressure pan feeding mouth (221) intercommunication of check valve, the exit end of check valve and the inner chamber intercommunication of pressure cylinder (22), pressure discharge gate (222) and the inner chamber intercommunication of pressure cylinder (22), when jar plug member (21) is located the top, with be provided with the clearance between pressure discharge gate (222).

2. The feeding device according to claim 1, characterized by further comprising a feed back structure (3) and a discharge pipe (6), wherein the feed port (11) is communicated with the pressure feed port (221) through a feed pipe (111), the pressure discharge port (222) is communicated with the discharge pipe (6) through a pressure output pipe (27), and the feed back structure (3) comprises a first feed back pipe (31) and a second feed back pipe (32); the both ends of first feed back pipe (31) communicate with discharging pipe (6), feed pipe (111) respectively, and the both ends of second feed back pipe (32) communicate with discharging pipe (6), feed pipe (111) respectively, and pressure output tube (27), first feed back pipe (31) and second feed back pipe (32), feed pipe (111) all are provided with the valve.

3. A feeder device according to claim 2, characterized in that the feed back structure (3) further comprises a first three-way valve (311), a second three-way valve (321); the first three-way valve (311) is arranged on the pressure output pipe (27) and communicated with the first return pipe (31), and the second three-way valve (321) is arranged on the feeding pipe (111) and communicated with the second return pipe (32).

4. A feeding device according to claim 2, characterized in that the feed pipe (111) is provided with a filter valve (5).

5. A feeder device according to claim 4, characterized in that the filter valve (5) is a Y-filter.

6. The feeding device of claim 1, wherein the check valve comprises a check valve core (23), a check valve shell provided with a check valve cavity (223), the check valve core (23) is arranged in the check valve cavity (223), two ends of the check valve shell are respectively communicated with the pressure feeding port (221) and an inner cavity of the pressure cylinder (22), and the check valve core (23) covers the pressure feeding port (221).

7. The feeder according to claim 6, characterized in that the check valve further comprises a check valve body (24) provided with a through hole (241), the check valve body (24) is arranged in the check valve cavity (223), and the check valve core (23) is linearly slidably connected with the check valve body (24).

8. The feed device as claimed in claim 6, characterized in that the cylinder (22) comprises a cylinder seat (224), in that a check valve chamber (223) is provided in the cylinder seat (224), in that the check valve housing is integrally connected to the cylinder (22), and in that the pressure outlet (222) opens in the cylinder seat (224) and communicates with the check valve housing.

9. The feeding device according to claim 8, characterised in that the cylinder seat (224) is a detachable seat of the cylinder (22).

10. The feeding device according to claim 6, characterized in that the pressure device (2) further comprises a reciprocating power device (211), the cylinder base (224) is provided with a connecting pull hole (226), and the reciprocating power device (211) is provided with a connecting pull rod (216) which penetrates through the connecting pull hole (226) and is abutted against the cylinder base (224).