CN210282850U

CN210282850U - Production line of double-screw extruder for test

Info

Publication number: CN210282850U
Application number: CN201920977122.4U
Authority: CN
Inventors: 邹涛
Original assignee: Nanjing Norda Xinye Extrusion Equipment Co Ltd
Current assignee: Nanjing Norda Xinye Extrusion Equipment Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-04-10
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a double screw extruder production line for test is applied in brace production line testing machine field, has solved the not small enough technical problem of testing machine, and its technical scheme main points are including the base, set gradually extruder, cooling device, the grain cutting device on the base, cooling device includes the cooler bin, is located the tuber pipe of cooler bin top, be equipped with a plurality of branches on the lateral wall of cooler bin, the lower extreme of branch all rotates and is connected with spacing wheel, the both ends of water tank are equipped with the mount along vertical direction, the mount rotates and is connected with the gyro wheel, a plurality of the tuber pipe is located between two gyro wheels, set up spacing groove on the tuber pipe; the air pipe is arranged at the upper end of the cooling box, and the upper end space of the cooling box is utilized, so that the total length of the production line is shortened.

Description

Production line of double-screw extruder for test

Technical Field

The utility model relates to a brace production line testing machine field, more specifically say, it relates to an experimental twin screw extruder production line of using.

Background

When the plastic strand is produced, an extruder, a cooling device, a granulator and the like are needed. The performance of the plastic brace manufactured by different proportions of chemical components of the plastic brace is different, and before a new product is put into mass production, the new product can be produced by a testing machine in a test mode and finally the performance of the new product can be determined after the new product is inspected.

At present, Chinese patent with publication number CN201520022U discloses a double-screw extruder cold drawn bar drying and separating production line, which comprises a screw extruder and a control unit, wherein an outlet of the screw extruder is provided with a neck mold, and the double-screw extruder cold drawn bar drying and separating production line further comprises a traction device and a grain cutting device which are sequentially arranged along the cold drawn bar discharging direction.

This kind of double screw extruder cold drawn strip drying and separating production line, its extruder, draw gear, grain cutting device set up water cooling plant and blow-dry system between grain cutting device and extruder to these devices exist alone, lead to the space that occupies very big, to the production line for the experiment, the cost is high, with high costs occupies the place simultaneously, in time with the size reduction, also still occupy a lot of spaces, consequently need design new layout structure, satisfy the demand of testing machine.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an experimental twin-screw extruder production line of using, its advantage is, installs the upper end of cooler bin with the tuber pipe, utilizes the upper end space of cooler bin to shorten the overall length of production line.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an experimental twin-screw extruder production line of using, includes the base, sets gradually extruder, cooling device, the grain device of cutting on the base, cooling device includes the cooler bin, is located the tuber pipe of cooler bin top, be equipped with a plurality of branches on the lateral wall of cooler bin, the lower extreme of branch all rotates and is connected with spacing wheel, the both ends of water tank are equipped with the mount along vertical direction, the mount rotates and is connected with the gyro wheel, and is a plurality of the tuber pipe is located two between the gyro wheel, the spacing groove has been seted up on the tuber pipe.

Through above-mentioned technical scheme, be equipped with the cooling water in the cooler bin, the brace gets into the cooler bin and cools off, is blowing through the tuber pipe, ensures that the brace surface can not attach water, prevents that the brace from cutting the grain back, and water and brace particle are in the same place, and water causes the destruction to the brace surface. The tuber pipe is in the upper end of cooler bin for the brace is through the water-cooling back of cooler bin, through the turn back of two gyro wheels in getting into the pelleter, and the brace is through the tuber pipe in the in-process of turning back, and then does not air-dry. Because the tuber pipe is in the upper end of cooler bin to utilize the space of tuber pipe upper end, utilize the water-cooling to air-dry integrative design, and then reduce the length of production line, further reduce the length of production line, satisfy small and exquisite requirement.

The utility model discloses further set up to: the supporting rod comprises a sliding block connected to the side wall of the cooling box in a sliding mode and a connecting rod fixedly connected to the sliding block in an L shape, the limiting wheel is rotatably connected to the horizontal end of the connecting rod, and a locking nail is connected to the sliding block in a threaded mode.

Through above-mentioned technical scheme, the slider slides and connects on the lateral wall of cooler bin, and then can adjust the position of spacing round, accomplishes the back when the brace winding, through the position of adjusting spacing round, adjusts the rate of tension of brace, prevents that brace and spacing round from breaking away from for the brace must pass through the water-cooling.

The utility model discloses further set up to: the limiting wheels and the rolling wheels are provided with ring grooves.

Through above-mentioned technical scheme, the annular is used for spacing brace, prevents that brace and spacing wheel and gyro wheel from breaking away from.

The utility model discloses further set up to: one end of the cooling box, which is close to the granulating device, is provided with a pair of scrapers, and the opposite surfaces of the two scrapers are provided with semicircular convex edges.

Through above-mentioned technical scheme, the brace passes between two scraper blades, and the bead contacts with the brace, when the local position has the drop on the brace, the drop will be scraped off this moment to prevent that the adnexed water in the local position of brace is too much, too late to air-dry.

The utility model discloses further set up to: the lower extreme the upper surface of scraper blade is vertical to be equipped with the guide post, the guide post passes the upper end scraper blade and threaded connection have the nut, the cover is equipped with the spring on the guide post, the both ends of spring are contradicted respectively differently on the scraper blade.

Through above-mentioned technical scheme, the scraper blade is slided and is connected on the guide post to make the interval between the scraper blade can be adjusted. The spring is used for supporting the scrapers, so that a certain gap is reserved between the two scrapers, the convex edge is only contacted with the brace, pressure is not generated, and walking of the brace is not influenced.

The utility model discloses further set up to: the grain cutting device comprises a rack and a cutter rotatably connected in the rack, wherein one side of the cutter close to the cooling box is provided with a group of clamping rollers.

Through the technical scheme, the cutter is a wheel-shaped cutter, and the brace is cut into particle shapes in the rotating process of the cutter. The clamping is used for conveying the brace, so that the brace is continuously conveyed to the cutter, and the clamping roller plays a role in traction.

The utility model discloses further set up to: be located the top the grip roller includes Z shape pole, vertical and the actuating lever of fixed connection on Z shape pole that the level set up, the grip roller rotates the one end of connecting at Z shape pole, the Z shape pole is kept away from the one end of grip roller rotates and connects in the frame.

Through above-mentioned technical scheme, promote the actuating lever for Z shape pole rotates, and then drives the grip roll and rises, makes the interval grow between two grip rolls, thereby is convenient for pass the brace between two grip rolls.

The utility model discloses further set up to: the surfaces of the two clamping rollers are respectively provided with anti-skid grains and a rubber layer.

Through above-mentioned technical scheme, rubber layer and anti-skidding line are used for increasing the frictional force between grip roll and the brace to carry the brace that can be better.

To sum up, the utility model discloses following beneficial effect has:

1. the water cooling and air drying are integrally arranged, so that the length of the production line is reduced, and the requirement of a test production line is met;

2. the setting of scraper blade is convenient for scrape the drop of water on the brace off, and then is convenient for will air-dry.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment.

Fig. 2 is a schematic structural view of the extruder of the present embodiment.

Fig. 3 is a schematic structural view of the cooling device of the present embodiment.

Fig. 4 is a schematic view of the structure of the squeegee according to this embodiment.

Fig. 5 is a schematic structural view of the dicing apparatus of this embodiment.

Fig. 6 is a schematic structural view of the Z-shaped bar of the present embodiment.

Reference numerals: 1. an extruder; 11. a feed inlet; 12. a barrel; 2. a cooling device; 21. a cooling tank; 22. a strut; 23. a slider; 24. a connecting rod; 25. a limiting wheel; 26. a roller; 27. a fixed mount; 28. a ring groove; 29. locking nails; 3. a granulating device; 31. a frame; 32. a cutter; 33. a grip roller; 34. a Z-shaped bar; 35. a drive rod; 36. a drum; 4. an air duct; 41. a limiting groove; 5. a squeegee; 51. a rib; 52. a guide post; 53. a spring; 6. a base; 7. a brace.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1 and 2, a production line of a double-screw extruder for testing comprises a base 6, an extruder 1, a cooling device 2 and a granulating device 3 which are sequentially arranged on the base 6, wherein the extruder 1 comprises a motor, a feed inlet 11, a machine barrel 12 and a screw rod positioned in the machine barrel 12, and the motor is used for driving the screw rod to rotate. The raw material enters a cylinder 12 from a feed inlet 11, and then is extruded by a screw, and the material is extruded from the cylinder 12 to form a brace 7. The bracing piece 7 enters the cooling device 2, is formed by water cooling, and then flows to the granulating device 3 to be cut into granules.

Referring to fig. 2 and 3, the cooling device 2 includes a cooling box 21, an air duct 4 located above the cooling box 21, three support rods 22 are provided on the side wall of the cooling box 21, the support rods 22 are located inside the cooling box 21, a limiting wheel 25 is rotatably connected to one end of each support rod 22, and the limiting wheel 25 is used for limiting the brace 7, so that the brace 7 is completely immersed in water to achieve a more thorough water cooling effect; both ends of the cooling box 21 are provided with fixing frames 27, and the upper end of the cooling box 21 on the fixing frames 27 is provided with a roller 26. After the bracing piece 7 is extruded from the extruder 1, the bracing piece passes through the lower end of the limiting wheel 25, bypasses the roller 26 close to one end of the granulating device 3, then turns back to bypass the roller 26 close to one end of the extruder 1, and finally points to the granulating device 3. A fan is arranged in the base 6 and is communicated with the air pipe 4, the air pipe 4 is fixed on the upper surface of the base 6, and the air pipe 4 is positioned between the two rollers 26; when brace 7 is at the in-process of turning back, the continuous 7 bloies to brace of tuber pipe 4, and then weathers the water on brace 7.

Referring to fig. 2 and 3, the supporting rod 22 includes a sliding block 23 slidably connected to the side wall of the cooling box 21, an L-shaped connecting rod 24 connected to the sliding block 23, and a limiting wheel 25 rotatably connected to a horizontal end of the connecting rod 24. A locking pin 29 is screwed on the slider 23. The locking pin 29 is loosened, so that the sliding block 23 can slide on the cooling box 21 or be taken down, the brace 7 is further made to fall on the lower end of the limiting wheel 25 firstly, and then the sliding block 23 is fixed on the cooling box 21, and therefore the brace 7 is convenient to place on the lower end of the limiting wheel 25. Annular grooves 28 are formed in the limiting wheel 25 and the roller 26, and the brace 7 is limited in the annular grooves 28, so that the brace 7 is prevented from being separated from the limiting wheel 25 or the roller 26.

Referring to fig. 3, the number of the air ducts 4 is two, and when the brace 7 is folded back, the two air ducts 4 cool the brace 7 through the air ducts 4 twice. Offer spacing groove 41 on tuber pipe 4, spacing groove 41 both is the air outlet of tuber pipe 4, is used for spacing brace 7 simultaneously, prevents that brace 7 from breaking away from with tuber pipe 4.

Referring to fig. 3 and 4, two flights 5 are horizontally disposed on the cooling tank 21 at an end adjacent to the pelletizing device 3, and semicircular ribs 51 are provided on the opposite faces of the two flights 5, the ribs 51 being in surface contact with the strand 7. When the brace 7 passes through between the two scrapers 5, water drops on the brace 7 can be scraped off, so that excessive water is prevented from being attached to the local position of the brace 7 and the brace 7 cannot be dried in time. The scraper 5 of lower extreme is fixed, vertically sets up two guide post 52 on the scraper 5 of lower extreme, and guide post 52 passes scraper 5 and the threaded connection nut of upper end, and it is equipped with spring 53 to lie in the cover between two scraper 5 on guide post 52. The scrapers 5 are slidably attached to the guide posts 52, so that the interval between the scrapers 5 can be adjusted. The spring 53 is used to support the scrapers 5 so that a certain gap is left between the two scrapers 5, and ensures that the rib 51 is only contacted with the brace 7 without generating pressure, thereby not influencing the walking of the brace 7.

Referring to fig. 5 and 6, the dicing device 3 includes a frame 31, a cutter 32 rotatably connected in the frame 31, the cutter 32 being a wheel-shaped cutter, a motor being provided in the frame 31, the motor driving the cutter 32 to rotate, the cutter 32 cutting the strips 7 into granules during the rotation. A group of clamping rollers 33 are further arranged on the side, close to the cooling box 21, of the frame 31, and the clamping rollers 33 clamp and convey the pull strips 7, so that the pull strips 7 can be continuously conveyed to the position below the cutter 32. The outer surfaces of the two clamping rollers 33 are respectively provided with an anti-slip texture cargo rubber layer, and the anti-slip texture and the rubber layer are used for increasing the friction force between the anti-slip texture cargo rubber layer and the brace 7, so that the brace 7 can be better conveyed.

Referring to fig. 5 and 6, the upper grip roller 33 includes a horizontally disposed Z-bar 34, and a driving bar 35 vertically fixed to one end of the Z-bar 34. The Z-shaped rod 34 is rotatably connected with a roller 36 at one end far away from the driving rod 35, the rubber layer is arranged on the roller 36, and the other end is rotatably connected with the frame 31. The drive lever 35 is pushed to rotate the Z-shaped lever 34, which in turn drives the grip roller 33 upward, so that the distance between the two grip rollers 33 becomes larger, thereby facilitating the passage of the brace 7 between the two grip rollers 33. The roller 36 automatically clamps the brace 7 under the action of gravity.

The action process is as follows: firstly, the material is put into the extruder 1, then the extruder 1 processes the material into the brace 7, and the brace 7 enters the granulating device 3 for granulating after water cooling and air drying.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an experimental twin-screw extruder production line of using, includes base (6), sets gradually extruder (1), cooling device (2), grain device (3) on base (6), its characterized in that, cooling device (2) include cooler bin (21), are located tuber pipe (4) of cooler bin (21) top, be equipped with a plurality of branches (22) on the lateral wall of cooler bin (21), the lower extreme of branch (22) all rotates and is connected with spacing wheel (25), the both ends of cooler bin (21) are equipped with mount (27) along vertical direction, mount (27) are rotated and are connected with gyro wheel (26), and are a plurality of tuber pipe (4) are located two between gyro wheel (26), spacing groove (41) have been seted up on tuber pipe (4).

2. The production line of the experimental twin-screw extruder of claim 1, wherein the supporting rod (22) comprises a sliding block (23) connected to the side wall of the cooling tank (21) in a sliding manner, and an L-shaped connecting rod (24) fixedly connected to the sliding block (23), the limiting wheel (25) is rotatably connected to the horizontal end of the connecting rod (24), and a locking nail (29) is connected to the sliding block (23) in a threaded manner.

3. The production line of the twin-screw extruder for testing as claimed in claim 2, wherein the limiting wheel (25) and the roller (26) are both provided with ring grooves (28).

4. The production line of twin-screw extruders for testing according to claim 1, characterized in that a pair of scrapers (5) are horizontally arranged on the fixed frame (27) close to the pelletizing device (3), and the opposite surfaces of the two scrapers (5) are provided with semicircular ribs (51).

5. The production line of the twin-screw extruder for testing as set forth in claim 4, characterized in that a guide post (52) is vertically arranged on the upper surface of the scraper (5) at the lower end, the guide post (52) penetrates the scraper (5) at the upper end and is in threaded connection with a nut, a spring (53) is sleeved on the guide post (52), and two ends of the spring (53) respectively abut against different scrapers (5).

6. The production line of twin-screw extruders for testing according to claim 1, characterized in that the pelletizing device (3) comprises a frame (31), a cutter (32) rotatably connected in the frame (31), and a set of clamping rollers (33) is arranged on the side of the cutter (32) adjacent to the cooling box (21).

7. The production line of twin-screw extruders for testing as claimed in claim 6, characterised in that the upper clamping roller (33) comprises a horizontally arranged Z-shaped bar (34), a driving rod (35) vertically and fixedly connected to the Z-shaped bar (34), the clamping roller (33) is rotatably connected to one end of the Z-shaped bar (34), and the end of the Z-shaped bar (34) far away from the clamping roller (33) is rotatably connected to the frame (31).

8. The production line of twin screw extruders for testing as set forth in claim 6, characterized in that the surfaces of the two nip rollers (33) are provided with an anti-slip texture and a rubber layer, respectively.