Variable-diameter variable-pitch extrusion conveying shaft

Abstract

The invention relates to the technical field of kitchen waste treatment equipment, in particular to a variable-diameter variable-pitch extrusion conveying shaft. The diameter of the spiral shaft is gradually increased, the screw pitch is gradually reduced, the extrusion strength is gradually enhanced from the feeding end to the discharging end, and the dehydration efficiency is improved; the driving device is started, and the materials are conveyed into the channel through the material feeding opening; the driving device drives the variable-diameter variable-pitch spiral blade to rotate and extrude; meanwhile, according to the scheme, wool top assemblies are further arranged on the blade edge faces of the variable-diameter variable-pitch spiral blades, it is avoided that much kitchen waste is accumulated on the inner side wall of the channel when solid-liquid separation work is conducted on the kitchen waste, waste attachment is reduced, and the positive effect is achieved for improving the treatment work of the kitchen waste.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchen waste processing equipment, and in particular to a variable diameter and variable pitch extrusion conveying shaft. Background Art

[0002] Food waste treatment equipment is an environmentally friendly equipment specially designed for treating organic waste. It is mainly used in hotels, restaurants, residential areas and food processing plants. Commonly used food waste treatment equipment generally introduces the waste from the feed port and then separates the solid and liquid through spiral extrusion.

[0003] Existing food waste dewatering equipment often uses a screw shaft with a fixed diameter and pitch, resulting in low extrusion efficiency and susceptibility to clogging. For example, horizontal presses require a large footprint and high energy consumption, while the brushes on traditional spiral blades are fixed and non-removable, making them difficult to clean. Furthermore, during the dewatering process, waste easily adheres to the spiral blades, requiring frequent machine downtime for cleaning, impacting efficiency. Furthermore, as the spiral blades squeeze and convey waste, waste adhering to the inner wall of the channel is difficult to clean. Over time, waste accumulates on the channel wall, compromising food waste disposal.

[0004] To this end, the present invention proposes a variable diameter and variable pitch extrusion conveying shaft to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a variable diameter and variable pitch extrusion conveying shaft to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a variable diameter and variable pitch extrusion conveying shaft, comprising a transmission shaft head, a transmission shaft, variable diameter and variable pitch spiral blades and a main shaft body, wherein the outer wall of the transmission shaft is provided with variable diameter and variable pitch spiral blades with the same rotation direction, the outer diameter of the transmission shaft gradually increases in the direction close to the conical shaft at the discharge end and then decreases along the transmission shaft, the diameter and pitch of the variable diameter and variable pitch spiral blades decrease along the direction of material conveying, one end of the main shaft body is provided with a mounting groove, and the mounting groove is connected to the transmission shaft head, a transmission shaft is provided at the other end of the main shaft body, the transmission shaft is connected to a driving device, and the transmission shaft and the main shaft body are both arranged in a channel, drainage micropores are provided on the main shaft body, and placement components are equidistantly arranged on the blade edge surface of the variable diameter and variable pitch spiral blade, and the placement component is connected to the wool strip component.

[0007] Preferably, the placement assembly includes a storage tank body and a second positioning magnetic piece; the storage tank body is equidistantly arranged on the blade edge surface of the variable diameter and variable pitch spiral blade, and the second positioning magnetic piece is fixedly arranged at the bottom end of the storage tank body.

[0008] Preferably, the wool top assembly includes a bearing column, a wool top body, an auxiliary spring, a support block and a first positioning magnetic piece; the wool top body is provided at the top of the bearing column, and an auxiliary spring is fixedly provided at the bottom end of the bearing column, and the other end of the auxiliary spring is fixedly provided at one end of the support block.

[0009] Preferably, a first positioning magnetic piece is embedded and fixedly provided at the bottom end of the supporting block.

[0010] Preferably, the first positioning magnetic sheet and the second positioning magnetic sheet are arranged in corresponding positions, arranged in the same group number, and attract each other. The supporting block is arranged as a round block, and the end diameter of the supporting block and the end diameter of the supporting column are both set equal to the slot diameter of the storage tank body. Both the supporting column and the supporting block are placed in the storage tank body.

[0011] Preferably, an auxiliary component is provided on the supporting column.

[0012] Preferably, the auxiliary component includes a load-bearing outer ring, anti-slip protrusions, auxiliary scraper ring pieces, a connecting strip, a movable insert, a connecting spring, a movable support strip, a positioning slot, a loading slot, a threaded hole slot and a positioning screw; the outer ring side wall of the load-bearing outer ring is fixedly provided with anti-slip protrusions at equal intervals, and auxiliary scraper ring pieces are arranged at equal intervals on the inner side of the load-bearing outer ring, and a placement groove is formed between adjacent auxiliary scraper ring pieces, and connecting strips are fixedly provided between adjacent auxiliary scraper ring pieces.

[0013] Preferably, the diameters of the auxiliary scraper rings arranged on the inner side of the load-bearing outer ring are different.

[0014] Preferably, a movable inserting strip is symmetrically fixedly provided at the bottom end of the bearing outer ring, a connecting spring is fixedly provided at the bottom end of the movable inserting strip, and a movable supporting strip is fixedly provided at the other end of the connecting spring.

[0015] Preferably, a positioning slot is provided on the side wall of the movable support bar, and the movable support bar is adapted to be plugged into the loading slot, the loading slot is symmetrically arranged at the top end of the supporting column, and a threaded hole slot is provided on one side of the loading slot, and a receiving slot is provided on the outer screw mouth of the threaded hole slot, the threaded hole slot is adapted to be threadedly connected with the positioning screw, and the end of the positioning screw is adapted to be plugged into the positioning slot on the side wall of the movable support bar.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The variable diameter and variable pitch extrusion conveying shaft designed by the present invention includes a transmission shaft head, a transmission shaft, variable diameter and variable pitch spiral blades and a main shaft body, wherein the outer wall of the transmission shaft is provided with variable diameter and variable pitch spiral blades with the same rotation direction, the outer diameter of the transmission shaft gradually increases in the direction of the tapered shaft close to the discharge end and then decreases along the transmission shaft, the diameter and pitch of the variable diameter and variable pitch spiral blades decrease along the direction of material conveying, one end of the main shaft body is provided with a mounting groove, and the mounting groove is connected to the transmission shaft head, a transmission shaft is provided at the other end of the main shaft body, the transmission shaft is connected to the driving device, and the transmission shaft and the main shaft body are both provided in the channel, drainage micropores are provided on the main shaft body, and the variable diameter and variable pitch spiral blades are connected to the driving device. The blade edge surface of the blade is equidistantly provided with placement components, and the placement components are connected to the wool strip components; for the design of variable diameter and variable pitch, the diameter of the spiral shaft gradually increases and the pitch gradually decreases, and the extrusion strength is gradually enhanced from the feed end to the discharge end, thereby improving the dehydration efficiency; the driving device is started, and the material is transported into the channel through the material feed port; the driving device drives the variable diameter and variable pitch spiral blades to rotate and extrude; at the same time, the present solution also provides wool strip components on the blade edge surface of the variable diameter and variable pitch spiral blades, so as to avoid the accumulation of more food waste on the inner wall of the channel when performing solid-liquid separation on the food waste, reduce the adhesion of the waste, and have a positive effect on improving the treatment of food waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the connection between the variable diameter and variable pitch extrusion conveying shaft, the transmission shaft, and the channel structure of the present invention; Figure 2 This is a schematic diagram of the connection structure of the variable diameter and variable pitch extrusion conveying shaft of the present invention; Figure 3 This is a schematic diagram of the local structural connection of the variable diameter and variable pitch extrusion conveying shaft of the present invention; Figure 4 This is a schematic diagram of the local structural connection of the variable diameter and variable pitch spiral blade of the present invention; Figure 5 A top view of the structure connection of the wool top assembly of the present invention; Figure 6 for Figure 5 A magnified schematic diagram of the structural connection at center A; Figure 7 A bottom view of the connection structure of the wool top assembly of the present invention; Figure 8 This is a schematic diagram of the connection between the supporting column and the auxiliary component structure of the present invention; Figure 9 This is a schematic diagram of the connection structure of the auxiliary components of the present invention; Figure 10 for Figure 9 Enlarged schematic diagram of the structural connection at point B.

[0018] In the figure: the wool top assembly 1, the bearing column 101, the wool top body 102, the auxiliary spring 103, the support block 104, the first positioning magnetic piece 105, the transmission shaft shaft head 2, the mounting groove 3, the transmission shaft 4, the variable diameter and variable pitch spiral blade 5, the storage tank body 501, the second positioning magnetic piece 502, the main shaft body 6, the drainage micropores 7, the driving device 8, the channel 9, the bearing outer ring 1001, the anti-slip protrusion 1002, the auxiliary scraper ring piece 1003, the connecting strip body 1004, the movable insert 1005, the connecting spring 1006, the movable support strip 1007, the positioning slot 1008, the loading slot 1009, the threaded hole slot 1010, and the positioning screw 1011. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention are described clearly and completely below. The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without creative work are within the scope of protection of the present invention.

[0020] Example 1: Please refer to Figures 1-10 , a variable diameter and variable pitch extrusion conveying shaft, comprising a transmission shaft head 2, a transmission shaft 4, a variable diameter and variable pitch spiral blade 5 and a main shaft body 6, wherein a variable diameter and variable pitch spiral blade 5 with the same rotation direction is arranged on the outer wall of the transmission shaft 4, the outer diameter of the transmission shaft 4 gradually increases in the direction of the tapered axis close to the discharge end and then decreases along the transmission shaft, the diameter and pitch of the variable diameter and variable pitch spiral blade 5 decrease along the direction of material conveying, a mounting groove 3 is provided at one end of the main shaft body 6, and the mounting groove 3 is connected to the transmission shaft head 2, a transmission shaft 4 is provided at the other end of the main shaft body 6, the transmission shaft 4 is connected to the driving device 8, and the transmission shaft 4 and the main shaft body 6 are both arranged in a channel 9, and drainage micropores 7 are provided on the main shaft body 6, and placement components are equidistantly arranged on the blade edge surface of the variable diameter and variable pitch spiral blade 5, and the placement component is connected to the wool strip component 1.

[0021] Among them, for the design of variable diameter and variable pitch, the diameter of the spiral shaft gradually increases and the pitch gradually decreases, and the extrusion strength is gradually enhanced from the feed end to the discharge end, thereby improving the dehydration efficiency; the driving device 8 is started, and the material is transported to the channel 9 through the material feed port; the driving device 8 drives the variable diameter and variable pitch spiral blade 5 to rotate and extrude; at the same time, this solution also provides a wool strip assembly 1 on the blade edge surface of the variable diameter and variable pitch spiral blade 5 to avoid the accumulation of more food waste on the inner wall of the channel 9 during the solid-liquid separation of food waste, thereby reducing the adhesion of garbage.

[0022] The wool top assembly 1 is detachably arranged, and is mainly placed on the blade edge surface of the variable diameter and pitch spiral blade 5, that is, the placement assembly includes a storage tank body 501 and a second positioning magnetic piece 502; the storage tank body 501 is equidistantly arranged on the blade edge surface of the variable diameter and pitch spiral blade 5, and the second positioning magnetic piece 502 is fixedly arranged at the bottom end of the storage tank body 501; the wool top assembly 1 includes a bearing column 101, a wool top body 102, an auxiliary spring 103, a support block 104 and a first positioning magnetic piece 105; the wool top body 102 is arranged on the top of the bearing column 101, and the second positioning magnetic piece 502 is fixedly arranged at the bottom end of the bearing column 101. An auxiliary spring 103 is fixedly provided at the bottom end, and the other end of the auxiliary spring 103 is fixedly provided at one end of the support block 104; a first positioning magnetic piece 105 is embedded and fixedly provided at the bottom end of the support block 104; the first positioning magnetic piece 105 and the second positioning magnetic piece 502 are arranged in corresponding positions, have the same number of groups, and attract each other. The support block 104 is set as a round block, and the end diameter of the support block 104 and the end diameter of the supporting column 101 are both equal to the slot diameter of the storage tank 501. Both the supporting column 101 and the support block 104 are placed in the storage tank 501.

[0023] The wool strip body 102 is arranged at the top of the supporting column 101, and the supporting column 101 is placed in the storage tank 501. The first positioning magnetic piece 105 arranged at the bottom of the supporting block 104 and the second positioning magnetic piece 502 in the storage tank 501 attract each other for positioning. The auxiliary spring 103 is arranged between the supporting block 104 and the supporting column 101. Its function is to have an extrusion support effect on the supporting column 101 when the wool strip body 102 cleans the inner wall of the channel 9, thereby ensuring the tightness of the wool strip body 102 at the top of the supporting column 101 and the inner wall of the channel 9, thereby ensuring the cleaning of the inside of the channel 9.

[0024] When the wool top body 102 works for a long time and it is necessary to clean the impurities adhering to the wool top body 102, on the one hand, the wool top assembly 1 can be disassembled for cleaning, and on the other hand, the present invention provides an auxiliary assembly on the bearing column 101; wherein the auxiliary assembly includes a bearing outer ring 1001, an anti-slip bump 1002, an auxiliary scraper ring 1003, a connecting strip body 1004, a movable insert 1005, a connecting spring 1006, a movable support strip 1007, a positioning slot 1008, a loading slot 1009, a threaded hole slot 1010 and a positioning screw 1011; the bearing The outer ring surface side wall of the outer ring 1001 is equidistantly fixed with anti-slip bumps 1002, and auxiliary scraper ring pieces 1003 are equidistantly arranged on the inner side of the load-bearing outer ring 1001, and a placement groove is formed between adjacent auxiliary scraper ring pieces 1003, and connecting strips 1004 are fixedly arranged between adjacent auxiliary scraper ring pieces 1003; the diameters of the auxiliary scraper ring pieces 1003 arranged on the inner side of the load-bearing outer ring 1001 are different; movable inserts 1005 are symmetrically fixed at the bottom end of the load-bearing outer ring 1001, and a connecting spring 1006 is fixed at the bottom end of the movable insert 1005 to connect The other end of the spring 1006 is fixedly provided with a movable support bar 1007; a positioning slot 1008 is provided on the side wall of the movable support bar 1007, and the movable support bar 1007 is adapted to be plugged into the loading slot 1009, and the loading slot 1009 is symmetrically arranged at the top of the supporting column 101, and a threaded hole groove 1010 is provided on one side of the loading slot 1009, and a receiving groove is provided on the outer screw mouth of the threaded hole groove 1010, and the threaded hole groove 1010 is adapted to be threadedly connected with the positioning screw 1011, and the end of the positioning screw 1011 is connected to the side wall of the movable support bar 1007. The positioning card slot 1008 on it is adapted to be engaged; that is, the auxiliary component can directly provide a cleaning effect on the wool strip body 102 without disassembling the bearing cylinder 101. That is, the bearing outer ring 1001 is directly pulled by hand, and then the multiple auxiliary scraping ring pieces 1003 on the inner side of the bearing outer ring 1001 are driven to scrape and clean the wool strip body 102. At this time, due to the pulling of the bearing outer ring 1001, the connecting spring 1006 is in a stretched state. When the bearing outer ring 1001 is loosened, the bearing outer ring 1001 returns to its original position under the rebound action of the connecting spring 1006.

[0025] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A variable diameter and variable pitch extrusion conveying shaft, characterized by: The invention comprises a transmission shaft head (2), a transmission shaft (4), a variable diameter and variable pitch spiral blade (5) and a main shaft body (6), wherein the variable diameter and variable pitch spiral blade (5) with the same rotation direction is arranged on the outer wall of the transmission shaft (4), the outer diameter of the transmission shaft (4) gradually increases in the direction close to the tapered axis of the discharge end and then decreases along the transmission shaft, and the diameter and pitch of the variable diameter and variable pitch spiral blade (5) decrease along the direction of material conveying, one end of the main shaft body (6) is provided with a mounting groove (3), and the mounting groove (3) is connected to the transmission shaft head (2), the other end of the main shaft body (6) is provided with a transmission shaft (4), the transmission shaft (4) is connected to the driving device (8), and the transmission shaft (4) and the main shaft body (6) are both arranged in a channel (9), the main shaft body (6) is provided with drainage micropores (7), and a placement component is equidistantly arranged on the blade edge surface of the variable diameter and variable pitch spiral blade (5), and the placement component is connected to the wool strip component (1).

2. The variable diameter and variable pitch extrusion conveying shaft according to claim 1, characterized in that: The placement assembly comprises a storage tank body (501) and a second positioning magnetic piece (502); the storage tank body (501) is equidistantly arranged on the blade edge surface of the variable diameter and variable pitch spiral blade (5), and the second positioning magnetic piece (502) is fixedly arranged at the bottom end of the storage tank body (501).

3. The variable diameter and variable pitch extrusion conveying shaft according to claim 1, characterized in that: The wool strip assembly (1) comprises a bearing column (101), a wool strip body (102), an auxiliary spring (103), a support block (104) and a first positioning magnetic sheet (105); the wool strip body (102) is provided at the top end of the bearing column (101), and the auxiliary spring (103) is fixedly provided at the bottom end of the bearing column (101), and the other end of the auxiliary spring (103) is fixedly provided at one end of the support block (104).

4. The variable diameter and variable pitch extrusion conveying shaft according to claim 3, characterized in that: A first positioning magnetic piece (105) is embedded and fixedly provided at the bottom end of the supporting block (104).

5. The variable diameter and variable pitch extrusion conveying shaft according to claim 3, characterized in that: The first positioning magnetic sheet (105) and the second positioning magnetic sheet (502) are arranged in corresponding positions and in the same number of groups, and they attract each other. The supporting block (104) is arranged as a round block, and the end diameter of the supporting block (104) and the end diameter of the supporting column (101) are both equal to the diameter of the slot of the storage tank (501). Both the supporting column (101) and the supporting block (104) are placed in the storage tank (501).

6. The variable diameter and variable pitch extrusion conveying shaft according to claim 3, characterized in that: An auxiliary component is provided on the supporting column (101).

7. The variable diameter and variable pitch extrusion conveying shaft according to claim 6, characterized in that: The auxiliary component comprises a load-bearing outer ring (1001), anti-skid protrusions (1002), an auxiliary scraper ring piece (1003), a connecting strip (1004), a movable insert (1005), a connecting spring (1006), a movable support strip (1007), a positioning slot (1008), a loading slot (1009), a threaded hole slot (1010) and a positioning screw (1011); the outer ring surface side wall of the load-bearing outer ring (1001) is fixedly provided with anti-skid protrusions (1002) at equal intervals, and the auxiliary scraper ring piece (1003) is evenly arranged on the inner side of the load-bearing outer ring (1001), and a placement groove is formed between adjacent auxiliary scraper ring pieces (1003), and a connecting strip (1004) is fixedly provided between adjacent auxiliary scraper ring pieces (1003).

8. The variable diameter and variable pitch extrusion conveying shaft according to claim 7, characterized in that: The diameters of the auxiliary scraper ring pieces (1003) arranged on the inner side of the load-bearing outer ring (1001) are different.

9. The variable diameter and variable pitch extrusion conveying shaft according to claim 7, characterized in that: A movable insert (1005) is symmetrically fixedly provided at the bottom end of the bearing outer ring (1001), a connecting spring (1006) is fixedly provided at the bottom end of the movable insert (1005), and a movable support bar (1007) is fixedly provided at the other end of the connecting spring (1006).

10. The variable diameter and variable pitch extrusion conveying shaft according to claim 7, characterized in that: A positioning card slot (1008) is provided on the side wall of the movable support bar (1007), and the movable support bar (1007) is adapted to be plugged into the loading slot (1009), the loading slot (1009) is symmetrically arranged at the top end of the supporting column (101), and a threaded hole groove (1010) is provided on one side of the loading slot (1009), and a receiving groove is provided at the outer screw mouth of the threaded hole groove (1010), the threaded hole groove (1010) is adapted to be threadedly connected with the positioning screw (1011), and the end of the positioning screw (1011) is adapted to be plugged into the positioning card slot (1008) on the side wall of the movable support bar (1007).

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