Spiral feeding device

By introducing a detachable connection structure of sub-connector and female connector in the screw feeder, combined with the design of insert rod and insertion hole, the problem of inconvenient disassembly and assembly of screw blades is solved, and the shaft can be quickly disassembled and installed, improving maintenance convenience.

CN224046238UActive Publication Date: 2026-03-27SHANGHAI PINGQIANG PACKAGING MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-09
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing screw feeding devices, the screw blades are inconvenient to disassemble and assemble. It is necessary to remove the side panels of the machine box in order to remove the flange and the shaft, which makes maintenance difficult.

Method used

It adopts a detachable connection structure of male and female connectors. The end plate drives the end connector to separate from the shaft, and the cooperation of the plug rod and the socket enables the shaft to be quickly disassembled and installed.

Benefits of technology

It simplifies the disassembly and assembly process of the helical blades, improves maintenance efficiency, and facilitates quick replacement and maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spiral feeding device, and relates to the technical field of feeding, the spiral feeding device comprises a case, a rotating shaft is arranged in the case, a spiral blade is arranged on the rotating shaft, a driving part is arranged on the case, a discharging hopper is arranged at the bottom of the case, a sub-connecting part is rotatably arranged in the case, and the sub-connecting part is connected with the driving end of the driving part; the end, close to the driving piece, of the rotating shaft is provided with a mother connecting piece, the child connecting piece is detachably connected with the mother connecting piece, the end, away from the driving piece, of the case is detachably provided with an end plate, the end plate is provided with an end connecting piece, and the end connecting piece is detachably connected with the end, away from the mother connecting piece, of the rotating shaft. By means of the child connecting piece and the mother connecting piece, when the spiral blade is disassembled and assembled, the end plate is disassembled and taken down from the machine box, the end plate drives the end connecting piece to move and be separated from the rotating shaft, at the moment, only the mother connecting piece and the child connecting piece need to be separated, the rotating shaft can be disassembled and taken out from the machine box, and therefore workers can disassemble, assemble and maintain the spiral blade conveniently.
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Description

Technical Field

[0001] This application relates to the field of feeding technology, and in particular to a screw feeder. Background Technology

[0002] Screw feeders are a common type of continuous conveying equipment. This equipment has a simple and compact structure and can convey powdery, granular, and small lump materials. It is widely used in industries such as chemical, food, and building materials.

[0003] Currently, screw feeding devices are mainly composed of components such as a rotating shaft, screw blades, a housing, and a drive motor. Their working principle is that the drive motor drives the rotating shaft to rotate, and the rotating shaft drives the screw blades to rotate, so that the material moves axially along the screw direction inside the housing, thereby realizing the material conveying.

[0004] The two ends of the rotating shaft are rotatably mounted inside the chassis, while the drive motor is fixedly mounted on the outside of the chassis. The ends of the rotating shaft are fixedly connected to the drive shaft of the drive motor via flanges. When the helical blades are damaged, the rotating shaft needs to be removed from the chassis. This requires disassembling the side panels of the chassis before the flanges can be removed and the rotating shaft taken out of the chassis, which presents an inconvenience for disassembling and assembling the helical blades. Utility Model Content

[0005] To facilitate the assembly and disassembly of the spiral blades, this application provides a spiral feeding device.

[0006] The spiral feeding device provided in this application adopts the following technical solution:

[0007] A screw feeding device includes a housing, a rotating shaft rotatably disposed within the housing, helical blades disposed on the rotating shaft, a driving component disposed on the housing, and a discharge hopper disposed at the bottom of the housing. A sub-connector is rotatably disposed within the housing near the driving component, the sub-connector being connected to the driving end of the driving component. A female connector is disposed at the end of the rotating shaft near the driving component, the sub-connector and the female connector being detachably connected. An end plate is detachably disposed at the end of the housing away from the driving component, an end connector is disposed on the end plate, the end connector being detachably connected to the end of the rotating shaft away from the female connector.

[0008] By adopting the above technical solution, when disassembling and assembling the spiral blade, the end plate is removed from the chassis. The end plate moves the end connector and separates it from the shaft. At this time, it is only necessary to separate the female connector and the female connector to remove the shaft from the chassis, which makes it easier for staff to disassemble and maintain the spiral blade.

[0009] Preferably, the outer side wall of the sub connector is provided with a connecting block, the end of the female connector close to the sub connector is provided with a slot, and the outer side wall of the female connector is provided with a connecting groove, the sub connector is inserted into the slot, and the connecting block is inserted into the connecting groove.

[0010] By adopting the above technical scheme, the sub connector is inserted into the slot of the female connector, the sub connector drives the connecting block to be inserted into the connecting groove of the female connector, so that the sub connector and the female connector can be quickly connected, the sub connector is pulled out of the slot of the female connector, the sub connector drives the connecting block to slide out of the connecting groove of the female connector, so that the sub connector and the female connector can be quickly disassembled.

[0011] Preferably, the end of the female connector close to the shaft is fixedly provided with a first insertion rod, and the end of the shaft close to the female connector is provided with a first insertion hole, and the first insertion rod is inserted into the first insertion hole.

[0012] By adopting the above technical scheme, the first insertion rod and the first insertion hole are used to connect the female connector and the shaft, so that the female connector and the shaft can be disassembled and connected conveniently.

[0013] Preferably, the end of the female connector close to the shaft is fixedly provided with a first insertion rod, and the end of the shaft close to the female connector is provided with a first insertion hole, and the first insertion rod is inserted into the first insertion hole.

[0014] By adopting the above technical scheme, the second insertion rod and the second insertion hole are used to connect the end connector and the shaft, so that the end connector and the shaft can be disassembled and connected conveniently.

[0015] Preferably, the shaft is provided with a plurality of connection shafts, and each of the sub connectors is provided with a connection shaft, and the plurality of connection shafts are in transmission connection with the driving member.

[0016] By adopting the above technical scheme, the driving member drives the plurality of connection shafts to rotate, the plurality of connection shafts drive the plurality of shafts to rotate, and the plurality of shafts drive the plurality of spiral blades to rotate, so that the spiral feeding efficiency can be improved.

[0017] Preferably, the end of the shaft close to the end plate is provided with a reverse blade, the spiral direction of the reverse blade is opposite to the spiral direction of the spiral blade, and the discharge hopper is located below the reverse blade and the spiral blade.

[0018] By adopting the above technical scheme, the shaft drives the spiral blade to rotate, and the material at one end in the case is transported to the discharge hopper, at the same time, the shaft drives the reverse blade to rotate, and the material at the other end in the case is transported to the discharge hopper by the reverse blade, so that the material is not easy to stay in the case.

[0019] Preferably, the machine box is provided with a box cover, and the top of the box cover is provided with a feeding port.

[0020] By adopting the above technical scheme, the raw materials are injected into the machine box from the feeding port of the box cover, and the box cover covers the machine box, so that foreign matters are not easy to enter the machine box.

[0021] In summary, the present application has at least one of the following beneficial technical effects:

[0022] 1. By using the male connector and the female connector, when the spiral blade is disassembled, the end plate is detached from the machine box, the end plate drives the end connector to move and separate from the rotating shaft, at this time, only the female connector and the male connector need to be separated, and the rotating shaft can be disassembled and taken out from the machine box, thereby facilitating the workers to disassemble and maintain the spiral blade;

[0023] 2. The female connector and the rotating shaft are connected by means of the first insertion rod and the first insertion hole, thereby facilitating the disassembly and connection of the female connector and the rotating shaft;

[0024] 3. The end connector and the rotating shaft are connected by means of the second insertion rod and the second insertion hole, thereby facilitating the disassembly and connection of the end connector and the rotating shaft. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the spiral feeding device of the present application;

[0026] Figure 2 It is a schematic diagram of the partial structure of the spiral feeding device of the present application;

[0027] Figure 3 It is an exploded view of the partial structure of the spiral feeding device of the present application, which highlights the female connector;

[0028] Figure 4 It is an exploded view of the partial structure of the spiral feeding device of the present application, which highlights the end connector;

[0029] Figure 5 It is an exploded view of the partial structure of the spiral feeding device of the present application, which highlights the male connector.

[0030] Reference signs: 1, machine box; 2, box cover; 3, feeding port; 4, driving member; 5, discharge hopper; 6, rotating shaft; 7, spiral blade; 8, reverse blade; 9, end plate; 10, end connector; 11, second insertion rod; 12, second insertion hole; 13, first insertion hole; 14, female connector; 15, male connector; 16, connecting shaft; 17, synchronous chain; 18, first insertion rod; 19, connecting block; 20, connecting groove; 21, insertion groove; 22, support. DETAILED DESCRIPTION

[0031] The following will be described in combination with the drawingsFigures 1-5 The application is further described in detail.

[0032] The application discloses a spiral feeding device.

[0033] With reference to Figure 1 The spiral feeding device comprises a cabinet 1 which is placed on a plane through a support 22, a cabinet cover 2 is fixedly installed on the top wall of the cabinet 1, and a feeding port 3 is formed at one end of the top wall of the cabinet cover 2 along the length direction of the cabinet cover 2. Two driving members 4 are fixedly installed at one end of the cabinet 1 close to the feeding port 3 in the length direction, and a discharging hopper 5 is installed on the bottom wall of the cabinet 1 away from the driving members 4. In the application, the driving members 4 can be selected as servo motors.

[0034] With reference to Figure 2 Four rotating shafts 6 are rotatably installed in the cabinet 1, and a spiral blade 7 is fixedly installed on each rotating shaft 6. Each driving member 4 is in transmission connection with two rotating shafts 6 which are spaced apart. The materials enter the cabinet 1 from the feeding port 3, the two driving members 4 drive the four rotating shafts 6 to rotate, and the four rotating shafts 6 drive the four spiral blades 7 to rotate, so that the materials in the cabinet 1 are conveyed, and the materials are discharged from the discharging hopper 5.

[0035] With reference to Figure 3 Four connecting shafts 16 are rotatably installed in one end of the cabinet 1 close to the driving members 4, and two connecting shafts 16 are fixedly connected with the driving ends of the driving members 4. A synchronous chain 17 is sleeved on every two connecting shafts 16 which are spaced apart, and the synchronous chain 17 enables the adjacent two connecting shafts 16 to synchronously rotate, so that the two driving members 4 drive the four connecting shafts 16 to rotate.

[0036] With reference to Figure 3 , Figure 4 and Figure 5 A sub connecting member 15 is fixedly installed at the end of each connecting shaft 16 away from the driving member 4, a female connecting member 14 is detachably installed at one end of each rotating shaft 6 close to the driving member 4, and the female connecting member 14 is detachably connected with the sub connecting member 15. An end cover is detachably fixedly installed at one end of the cabinet 1 away from the driving member 4 through bolts, four end connecting members 10 are installed on the end cover in the horizontal direction and are spaced apart, and each end connecting member 10 is detachably connected with the end of the rotating shaft 6 away from the female connecting member 14.

[0037] When the spiral blade 7 is disassembled and maintained, the end plate 9 is first disassembled and removed from the cabinet 1, the end plate 9 drives the end connecting member 10 to move and separate from the rotating shaft 6, and the limiting of one end of the rotating shaft 6 is released. At this time, the female connecting member 14 and the sub connecting member 15 are only separated, the limiting of the other end of the rotating shaft 6 is released, and the rotating shaft 6 can be disassembled and removed from the cabinet 1, so that the staff can disassemble and maintain the spiral blade 7.

[0038] The outer circumferential side of the sub-connection piece 15 is fixedly installed with four connection blocks 19 at equal intervals along the circumferential direction of the sub-connection piece 15, the outer circumferential side of the female connection piece 14 is provided with four connection grooves 20 at equal intervals along the circumferential direction of the female connection piece 14, the connection grooves 20 are provided with openings on the side close to the sub-connection piece 15, and the four connection grooves 20 correspond to the four connection blocks 19 one by one. The end of the female connection piece 14 close to the sub-connection piece 15 is provided with a plug groove 21, and the plug groove 21 communicates with the four connection grooves 20.

[0039] When the sub-connection piece 15 and the female connection piece 14 are connected, the sub-connection piece 15 is inserted into the plug groove 21 of the female connection piece 14, at this time the sub-connection piece 15 drives the four connection blocks 19 to be inserted into the four connection grooves 20, so that the sub-connection piece 15 and the female connection piece 14 can be quickly connected. Similarly, when the sub-connection piece 15 and the female connection piece 14 are disassembled, the sub-connection piece 15 is pulled out of the plug groove 21 of the female connection piece 14, at this time the sub-connection piece 15 drives the four connection blocks 19 to slide out of the four connection grooves 20, so that the sub-connection piece 15 and the female connection piece 14 can be quickly disassembled.

[0040] The end of the female connection piece 14 close to the shaft 6 is fixedly installed with a first plug rod 18, the end of the shaft 6 close to the female connection piece 14 is provided with a first plug hole 13, and the first plug rod 18 is inserted into the first plug hole 13. The end of the end connection piece 10 close to the shaft 6 is fixedly installed with a second plug rod 11, the end of the shaft 6 close to the end connection piece 10 is provided with a second plug hole 12, and the second plug rod 11 is inserted into the second plug hole 12. By using the first plug rod 18 and the first plug hole 13, the female connection piece 14 and the shaft 6 can be quickly disassembled, and by using the second plug rod 11 and the second plug hole 12, the end connection piece 10 and the shaft 6 can be quickly disassembled.

[0041] The end of each shaft 6 close to the end plate 9 is fixedly installed with a reverse blade 8, the reverse blade 8 is opposite to the spiral direction of the spiral blade 7, and the discharge hopper 5 is located below the spiral blade 7 and the reverse blade 8. In the process of driving the spiral blade 7 to rotate, the shaft 6 transports the material at one end in the cabinet 1 to the discharge hopper 5, at the same time, the shaft 6 drives the reverse blade 8 to rotate, the reverse blade 8 transports the material at the other end in the cabinet 1 to the discharge hopper 5, so that the material is not easy to stay in the cabinet 1.

[0042] The implementation principle of the screw feeding device in the embodiment of the application is as follows: when the spiral blade 7 is disassembled and maintained, the end plate 9 is first disassembled and removed from the cabinet 1, the end plate 9 drives the end connection piece 10 to move and separate from the shaft 6, and the limitation of one end of the shaft 6 is released. At this time, only the female connection piece 14 and the sub-connection piece 15 need to be separated, the limitation of the other end of the shaft 6 is released, and the shaft 6 can be disassembled and removed from the cabinet 1, so that the worker can disassemble and maintain the spiral blade 7.

[0043] The above merely describes optional embodiments of the present disclosure, and is not intended to limit the present disclosure. The present disclosure can have various modifications and changes for those skilled in the art. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A spiral feeding device, comprising a machine box (1), a rotating shaft (6) is arranged in the machine box (1), a spiral blade (7) is arranged on the rotating shaft (6), a driving member (4) is arranged on the machine box (1), and a discharge hopper (5) is arranged at the bottom of the machine box (1), characterized in that: The end of the casing (1) close to the driving element (4) is rotatably provided with a sub-connector (15), the sub-connector (15) is connected with the driving end of the driving element (4), the end of the rotating shaft (6) close to the driving element (4) is provided with a female connector (14), the sub-connector (15) is detachably connected with the female connector (14), the end of the casing (1) away from the driving element (4) is detachably provided with an end plate (9), the end plate (9) is provided with an end connector (10), and the end connector (10) is detachably connected with the end of the rotating shaft (6) away from the female connector (14).

2. A screw feed device according to claim 1, characterised in that: The outer side wall of the sub-connector (15) is provided with a connecting block (19), the end of the female connector (14) close to the sub-connector (15) is provided with a slot (21), and the outer side wall of the female connector (14) is provided with a connecting groove (20), the sub-connector (15) is inserted into the slot (21), and the connecting block (19) is inserted into the connecting groove (20).

3. A screw feed device according to claim 2, wherein: The end of the female connector (14) close to the rotating shaft (6) is fixedly provided with a first insertion rod (18), and the end of the rotating shaft (6) close to the female connector (14) is provided with a first insertion hole (13), and the first insertion rod (18) is inserted into the first insertion hole (13).

4. A screw feed device according to claim 1, wherein: The end of the end connector (10) close to the rotating shaft (6) is fixedly provided with a second insertion rod (11), and the end of the rotating shaft (6) close to the end connector (10) is provided with a second insertion hole (12), and the second insertion rod (11) is inserted into the second insertion hole (12).

5. A screw feed apparatus as claimed in claim 1, wherein: The rotating shaft (6) is provided with a plurality of sub-connectors (15), and each sub-connector (15) is provided with a connecting shaft (16), and a plurality of connecting shafts (16) are drivingly connected with the driving element (4).

6. A screw feed apparatus as claimed in claim 1, wherein: The end of the rotating shaft (6) close to the end plate (9) is provided with a reverse blade (8), the spiral direction of the reverse blade (8) is opposite to that of the spiral blade (7), and the discharge hopper (5) is located below the reverse blade (8) and the spiral blade (7).

7. A screw feed apparatus as claimed in claim 1, wherein: The casing (1) is provided with a cover (2), and the top of the cover (2) is provided with a feeding port (3).