Novel efficient machine barrel screw

Abstract

The utility model discloses a novel efficient machine barrel screw which is applied to the technical field of machine barrel screws and comprises a first screw end and a second screw end, threaded columns are arranged on the sides, close to each other, of the first screw end and the second screw end, and spiral grooves are formed in the surfaces of the threaded columns. Inserting grooves are welded to the ends, close to the second screw end, of the first screw end and the threaded column correspondingly. The threaded column capable of being spliced is mounted between the first screw end and the second screw end, so that the screws can be spliced and mounted according to the length of a machine barrel. And the screw rod can be conveniently assembled into various different lengths, so that the screw rod is suitable for conveying and processing plastics by various machine barrels, and the practicability is improved. Hot water or cooling water is pumped into the hollow groove, so that the water source circularly flows in the hollow groove. And therefore, the plastic can be heated or cooled in the screw rod, and the plastic melting or cooling shaping efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the machine cylinder screw technical field, and particularly relates to a novel high -efficient machine cylinder screw. BACKGROUND

[0002] The extruder mainly extrudes and pushes out the plastic particles of the melted plastic through the screw inside the cylinder during the extrusion processing.

[0003] At present, the Chinese utility model with the announcement number CN214872565U discloses a novel high-efficiency machine cylinder screw. However, the existing machine cylinder screw can only extrude plastic, and the melting of plastic mainly relies on the heating equipment inside the cylinder. Therefore, when the screw pushes and extrudes the plastic, the heating equipment inside the cylinder will first heat the surface of the plastic, and the plastic close to the screw will be heated slowly, which affects the processing efficiency. Moreover, since the length of the screw is fixed and cannot be adjusted, it can only be installed inside the cylinder of the corresponding length type, and cannot meet the actual production demand, so the practicality is low. SUMMARY

[0004] The utility model discloses a novel high-efficiency machine cylinder screw, which has the advantages of improving the extrusion and heating efficiency of the plastic inside the cylinder and enabling the length of the screw to be spliced and assembled.

[0005] The above technical purpose of the utility model is realized through the following technical scheme:

[0006] A novel high-efficiency machine cylinder screw, comprising a first screw end and a second screw end, a plurality of threaded columns being detachably arranged between the first screw end and the second screw end, and a helical groove being formed on the surface of each threaded column;

[0007] The first screw end and one end of each threaded column close to the second screw end are each provided with a plurality of insertion grooves in the circumferential direction, the second screw end and one end of each threaded column close to the first screw end are each provided with a plurality of insertion blocks in the circumferential direction, each insertion block corresponds to one insertion groove, and the insertion block is inserted into the corresponding insertion groove.

[0008] By installing the splicable threaded columns between the first screw end and the second screw end, the screw can be spliced and installed according to the length of the cylinder. This facilitates the assembly of the screw into a plurality of different lengths, thereby adapting to the conveying and processing of plastic by a plurality of cylinders and improving the practicality.

[0009] The utility model further sets up that: the insertion block is provided with an upper threaded hole, the insertion groove bottom is provided with a lower threaded hole, and the upper threaded hole and the lower threaded hole are screw-connected with a fixing bolt.

[0010] The threaded column is detachably fixed between the first screw rod end head and the second screw rod end head through the fixing bolt, and is convenient to disassemble and assemble.

[0011] The utility model further provides: the inside of threaded column is opened hollow slot that communicates with first screw rod end head and second screw rod end head inside respectively, first screw rod end head rotationally connects with water injection cylinder rod, second screw rod end head rotationally connects with water outlet cylinder rod.

[0012] The threaded column is detachably fixed between the first screw rod end head and the second screw rod end head through the fixing bolt, and is convenient to disassemble and assemble.

[0013] The utility model further provides: the surface of first screw rod end head away from threaded column one end is bolted with drive gear.

[0014] The threaded column is detachably fixed between the first screw rod end head and the second screw rod end head through the fixing bolt, and is convenient to disassemble and assemble.

[0015] The utility model further provides: the surface of first screw rod end head and second screw rod end head rotationally connects with clamping ball.

[0016] The threaded column is detachably fixed between the first screw rod end head and the second screw rod end head through the fixing bolt, and is convenient to disassemble and assemble.

[0017] The utility model further provides: the one end of water injection cylinder rod away from hollow slot is fixedly connected with water pump, and the output end of water injection cylinder rod communicates with water pump.

[0018] The threaded column is detachably fixed between the first screw rod end head and the second screw rod end head through the fixing bolt, and is convenient to disassemble and assemble.

[0019] The utility model further provides: the surface of water injection cylinder rod and water outlet cylinder rod is fixedly sleeved with sealing ring.

[0020] The threaded column is detachably fixed between the first screw rod end head and the second screw rod end head through the fixing bolt, and is convenient to disassemble and assemble.

[0021] The utility model further provides: the surface of hollow slot inner chamber is provided with concave-convex groove.

[0022] The threaded column is detachably fixed between the first screw rod end head and the second screw rod end head through the fixing bolt, and is convenient to disassemble and assemble.

[0023] The threaded column is detachably fixed between the first screw rod end head and the second screw rod end head through the fixing bolt, and is convenient to disassemble and assemble.

[0024] The threaded column can be spliced between the first screw end and the second screw end, so that the screw can be spliced and installed according to the length of the barrel, thereby facilitating the assembly of the screw into different lengths, and adapting to various barrels for conveying and processing plastics, and improving practicality.

[0025] The water source is circulated in the hollow groove by pumping hot water or cooling water into the hollow groove, so that the plastic inside the screw can be heated or cooled, and the melting or cooling efficiency of the plastic is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic diagram of the utility model;

[0027] Figure 2 is a structural sectional view of the utility model;

[0028] Figure 3 is an enlarged view of point A in the utility model; Figure 2

[0029] Figure 4 is a partial structural side sectional view of the utility model.

[0030] Reference signs: 1, first screw end; 2, second screw end; 3, threaded column; 4, helical groove; 5, insertion groove; 6, lower threaded hole; 7, fixing bolt; 8, hollow groove; 9, water injection cylinder rod; 10, water outlet cylinder rod; 11, water pump; 12, sealing ring; 13, driving gear; 14, clamping ball; 15, concave-convex groove; 16, insertion block; 17, upper threaded hole. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail in combination with the drawings. Example 1

[0032] Reference Figure 1 , Figure 2 , Figure 4 A novel high-efficiency barrel screw, comprising a first screw end 1 and a second screw end 2, wherein the first screw end 1 is a feeding end, and the second screw end 2 is a discharging end.

[0033] A plurality of threaded columns 3 are detachably arranged between the first screw end 1 and the second screw end 2, the surface of the threaded column 3 is provided with a helical groove 4, and the two ends of the threaded groove 4 extend to the first screw end 1 and the second screw end 2 respectively.

[0034] ​The first screw end 1 and the plurality of threaded columns 3 are close to one end of the second screw end 2, and a plurality of insertion grooves 5 are arranged circumferentially, the second screw end 2 and the plurality of threaded columns 3 are close to one end of the first screw end 1, and a plurality of insertion blocks 16 are arranged circumferentially, the plurality of insertion blocks 16 and the plurality of insertion grooves 5 correspond one-to-one, the insertion block 16 is inserted into the corresponding insertion groove 5, the insertion block 16 is provided with an upper threaded hole 17, the bottom of the insertion groove 5 is provided with a lower threaded hole 6, and the upper threaded hole 17 and the lower threaded hole 6 are threadedly connected with a fixing bolt 7, and the top of the fixing bolt 7 is embedded in the upper threaded hole 17 of the insertion block 16.

[0035] By installing the spliced threaded column 3 between the first screw end 1 and the second screw end 2, the screw rod can be spliced and installed according to the length of the cylinder. The screw rod can be assembled into different lengths, so as to adapt to various cylinders for conveying and processing plastics, and improve the practicability.

[0036] Reference Figure 1 , Figure 2 The surface of the first screw end 1 away from the threaded column 3 is provided with a driving gear 13. The driving gear 13 on the surface of the first screw end 1 is engaged with the gear on the output end of the bottom driving motor, so that the screw rod rotates.

[0037] Reference Figure 2 The surfaces of the first screw end 1 and the second screw end 2 are rotatably connected with clamping balls 14. When the screw rod is installed in the cylinder, the friction during rotation is reduced, and the rotation stability is improved.

[0038] The use process is briefly described as follows: according to the length of the cylinder screw rod, a corresponding number of threaded columns 3 are placed between the first screw end 1 and the second screw end 2, the first screw end 1 and the threaded column 3 are respectively inserted into the threaded column 3 and the insertion block 16 on the other end of the second screw end 2 through the insertion groove 5 on one end. Then the lower threaded hole 6 in the insertion groove 5 and the upper threaded hole 17 of the insertion block 16 are vertically opposite, and the fixing bolt 7 is rotated and inserted into the upper threaded hole 17 and the lower threaded hole 6, so as to fix the threaded column 3, thereby locking the threaded column 3 between the first screw end 1 and the second screw end 2 for splicing. Embodiment 2

[0039] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4The utility model provides a novel high -efficient machine cylinder screw rod, and the inside of screw column 3 is opened to have hollow groove 8 respectively with first screw head 1 and second screw head 2 inside intercommunication, and first screw head 1 end rotatory connection has water injection cylinder rod 9, and second screw head 2 end rotatory connection has water outlet cylinder rod 10, and water injection cylinder rod 9 is fixedly connected with water pump 11 in the end away from hollow groove 8, and water injection cylinder rod 9 is communicated with the output end of water pump 11, by pumping hot water or cooling water to the inside of hollow groove 8, make water source circulate and flow in the inside of hollow groove 8, so that can make screw rod inside heat or cool plastic, improve the efficiency of plastic melting or cooling.

[0040] Reference Figure 4 Water injection cylinder rod 9 and water outlet cylinder rod 10 are fixedly sleeved with sealing ring 12, improve the sealing property, prevent the water source from seeping out of the screw rod.

[0041] Reference Figure 3 The surface of hollow groove 8 inner chamber is provided with concave and convex groove 15, increase the contact area of hollow groove 8 inner surface and water, so as to improve the temperature conduction efficiency.

[0042] Brief description of use process: through the first screw head 1 surface drive gear 13 of machine cylinder is used to drive first screw head 1 rotation, so that first screw head 1 and second screw head 2 and screw column 3 can rotate and move plastic, then according to need, water pump 11 is used to pump hot water or cooling water to the inside of hollow groove 8 by water injection cylinder rod 9, so that screw rod inside can heat or cool plastic, simultaneously, through water outlet cylinder rod 10, the water in the inside of hollow groove 8 is discharged, makes water source circulate and flow in the inside of hollow groove 8, improves the heating or cooling efficiency of plastic, can.

Claims

1. A novel high-efficiency barrel screw, comprising a first screw end (1) and a second screw end (2), characterized in that: A plurality of threaded posts (3) are detachably provided between the first screw end (1) and the second screw end (2), and the surface of the threaded posts (3) is provided with spiral grooves (4); The first screw end (1) and several threaded posts (3) are provided with several insertion slots (5) along the circumferential direction at the end near the second screw end (2). The second screw end (2) and several threaded posts (3) are provided with several insertion blocks (16) along the circumferential direction at the end near the first screw end (1). Several insertion blocks (16) and several insertion slots (5) correspond one-to-one, and the insertion blocks (16) are inserted into the corresponding insertion slots (5).

2. The novel high-efficiency barrel screw according to claim 1, characterized in that: The plug block (16) has an upper threaded hole (17) and the bottom of the plug groove (5) has a lower threaded hole (6). The upper threaded hole (17) and the lower threaded hole (6) are internally threaded with a fixing bolt (7).

3. The novel high-efficiency barrel screw according to claim 1, characterized in that: The threaded column (3) has a hollow groove (8) that is connected to the inside of the first screw end (1) and the second screw end (2) respectively. The first screw end (1) is rotatably connected to the water injection cylinder rod (9), and the second screw end (2) is rotatably connected to the water outlet cylinder rod (10).

4. The novel high-efficiency barrel screw according to claim 1, characterized in that: A drive gear (13) is bolted to the surface of the first screw end (1) away from the threaded post (3).

5. A novel high-efficiency barrel screw according to claim 1, characterized in that: Both the first screw end (1) and the second screw end (2) are rotatably connected with snap-fit ​​balls (14).

6. A novel high-efficiency barrel screw according to claim 3, characterized in that: The water injection cylinder rod (9) is fixedly connected to a water pump (11) at one end away from the hollow groove (8), and the water injection cylinder rod (9) is connected to the output end of the water pump (11).

7. A novel high-efficiency barrel screw according to claim 6, characterized in that: Both the water injection cylinder rod (9) and the water outlet cylinder rod (10) are fixedly fitted with sealing rings (12).

8. A novel high-efficiency barrel screw according to claim 3, characterized in that: The surface of the inner cavity of the hollow groove (8) is provided with grooves (15).

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