CN218803916U

CN218803916U - Plastic extrudate cooling device

Info

Publication number: CN218803916U
Application number: CN202222434888.2U
Authority: CN
Inventors: 孙小培
Original assignee: Langfang Beihua Polymer Materials Co ltd
Current assignee: Langfang Beihua Polymer Materials Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-04-07
Anticipated expiration: 2032-09-13

Abstract

The utility model belongs to the field of plastic extrusion material cooling devices, and provides a plastic extrusion material cooling device for solving the technical problem that the prior art is difficult to be compatible with different cooling requirements, which comprises a cooling tank for storing cooling liquid, wherein a pair of brackets are arranged at the front end and the rear end in the cooling tank; two pressure bar rollers are arranged on each pair of brackets at intervals along the vertical direction; the pressure bar roller comprises a pressure bar shaft and a roller sleeved on the pressure bar shaft; two supports in each auxiliary support are respectively arranged at the left side and the right side of the cooling tank, and two ends of the pressure rod shaft are respectively supported on the two supports of the same auxiliary support. The utility model discloses can form double-deck traction system through four depression bar gyro wheels, do benefit to double-deck traction system and form snakelike traction path, satisfy complete refrigerated demand, save the operation space simultaneously. A linear traction path is formed by utilizing the lower traction subsystem, and the requirement of incomplete cooling is met.

Description

Plastic extrudate cooling device

Technical Field

The utility model belongs to plastics extrusion material cooling device field.

Background

The plastic is extruded into a uniform material strip state through a porous wire plate when the plastic is extruded out of the die head, and is pressed into a cooling water tank through a pressure rod with a roller, and the plastic is manually pulled out of the water surface and fed onto a granulating device, and then is continuously pulled out of the water surface under the traction action of the granulating device. Because the cooling requirements of different materials are inconsistent, some materials need to be completely cooled so as to avoid the conditions of particle tailing and particle length inconsistency during subsequent grain cutting caused by incomplete cooling; however, some materials do not need to be completely cooled, and after complete cooling, the materials are relatively brittle and cannot be normally pulled and cut into granules.

Due to the limited site, the length of the cooling water tank is not enough to meet the requirement of complete cooling of the material strips under the common condition. In addition, even if the length of the cooling water tank is sufficient, when the production of the granules of the brittle material needs to be switched, excessive cooling is easily caused, and the adverse effect is realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the difficult problem that exists among the above-mentioned prior art, provide a plastics extrudate cooling device, solve prior art and be difficult to the technical problem of compatible different cooling demands.

The utility model discloses a realize through following technical scheme:

a cooling device for plastic extrudate comprises a cooling tank for storing cooling liquid, wherein a pair of brackets are arranged at the front end and the rear end in the cooling tank; two pressure bar rollers are arranged on each pair of brackets at intervals along the vertical direction; the pressure bar roller comprises a pressure bar shaft and a roller sleeved on the pressure bar shaft; two supports in each auxiliary support are respectively arranged at the left side and the right side of the cooling tank, and two ends of the pressure rod shaft are respectively supported on the two supports of the same auxiliary support.

Further, the front end of the cooling tank is used as the advancing direction of the material strips; the front end of the cooling tank is provided with a liquid outlet, the rear end of the cooling tank is provided with a liquid inlet, and the liquid outlet and the liquid inlet are respectively opened and closed through respective valves.

Furthermore, the liquid level corresponding to the liquid outlet can simultaneously sink over the pressure bar rollers on the upper bottom layers of the two auxiliary brackets.

The front end of the further cooling tank is also provided with an overflow port which is positioned above the liquid discharge port and close to the upper edge of the cooling tank.

Furthermore, the overflow port is communicated with the liquid discharge port through a collecting pipe.

Furthermore, the overflow port, the liquid level regulating port and the liquid discharge port are communicated through a collecting pipe.

Furthermore, a plurality of annular grooves surrounding the outer circumferential surface of the roller are arranged on the roller at intervals.

Furthermore, two layers of pressure bar rollers are arranged on each pair of supports; and two supports in each auxiliary support are respectively provided with a height adjusting mechanism for adjusting the height of the pressure bar roller.

Furthermore, the height adjusting mechanism comprises a vertical sliding groove arranged on the support, and the end part of a pressure rod shaft of the pressure rod roller is clamped into the vertical sliding groove and can slide up and down in the vertical sliding groove; the end part of the pressure rod shaft is in threaded connection with a locking nut, the outer diameter of the locking nut is larger than the width of the vertical sliding groove, and the pressure rod shaft is positioned through pressing force of the locking nut on the support.

Further, the vertical sliding groove is a through groove; two ends of the pressure bar shaft of each pressure bar roller are respectively abutted against the groove bottoms of the vertical sliding grooves of the corresponding supports.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses well both ends all are equipped with two at least depression bar gyro wheels around the cooling bath, so just formed double-deck traction system, the depression bar gyro wheel of two support lower extremes forms the lower floor and pulls the subsystem, the depression bar gyro wheel of two support upper ends forms the upper strata and pulls the subsystem, the material strip just winds the upper strata again after pulling the subsystem around the lower floor and pulls the subsystem, just can form "snakelike" and pull the route to the cooling time of extension material strip in the cooling bath satisfies complete refrigerated demand, the operation space has been saved simultaneously. The material strips can only form a linear traction path around the lower traction subsystem, so that the requirement of incomplete cooling is met.

2. The cooling bath front end is material strip direction of advance, and the material strip is pulled to the front end from the cooling bath rear end, and leakage fluid dram, inlet set up both ends around the cooling bath respectively for coolant liquid flow direction is unanimous with material strip pull direction, so the material strip is crowded cooling that can be more quick after the cooling bath into by the extruder, does benefit to pulling of material strip, avoids the material strip too soft and takes place disconnected strip phenomenon.

3. The liquid level height that the leakage fluid dram corresponds can not surpass the depression bar gyro wheel of front end support and rear end support upper strata simultaneously, avoids the coolant liquid evacuation in the cooling bath, guarantees minimum liquid level.

4. The overflow port prevents the cooling liquid from overflowing out of the cooling tank to wet the ground due to overhigh liquid level, and is favorable for keeping the operation environment clean.

5. The utility model discloses the height of adjustable depression bar gyro wheel to the change pulls path length, and then when adjusting the cooling, and the cooling demand is matchd to developments, and the length of unnecessary change cooling bath, especially the length of removing the extension cooling bath when increasing the cooling, consequently can also save the operation space.

7. The overflow mouth passes through the collecting pipe intercommunication with the leakage fluid dram, realizes sharing collecting pipe flowing back, and the structure is more succinct, practices thrift the cost.

8. The height of the pressing rod roller on the front end support is adjusted through the height adjusting mechanism, the height is adjusted according to actual requirements, the height can be higher than the liquid level to be used as a top wheel, and the pressing wheel can be pressed into liquid to be used as a pressing wheel.

9. The annular groove on the roller has a carding effect on the material strips, so that the material strips are more orderly.

Drawings

FIG. 1 is a schematic view of the extrudate cooling apparatus;

FIG. 2 is a schematic view of a roller of the pressing rod;

FIG. 3 is a schematic view of the assembly of the strut roller and the bracket;

fig. 4 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 3.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings:

example 1

Referring to fig. 1 and 2, a cooling device for plastic extrudate comprises a cooling tank 1 for storing cooling liquid, wherein a pair of brackets are arranged at the front end and the rear end in the cooling tank 1; two pressure bar rollers are arranged on each pair of brackets at intervals along the vertical direction; the pressure bar roller comprises a pressure bar shaft and a roller sleeved on the pressure bar shaft; two supports in each auxiliary support are respectively arranged at the left side and the right side of the cooling tank, and two ends of the pressure rod shaft are respectively supported on the two supports of the same auxiliary support.

Referring to fig. 2, a plurality of annular grooves surrounding the outer circumferential surface of the roller 10 of the strut roller are arranged at intervals on the roller. The annular groove on the roller has a carding effect on the material strips, so that the material strips are more orderly.

Both ends all are equipped with two at least depression bar gyro wheels around the cooling bath, so double-deck traction system has just been formed, the depression bar gyro wheel of two support lower extremes forms the lower floor and pulls the subsystem, the depression bar gyro wheel of two support upper ends forms the upper strata and pulls the subsystem, the material strip is around the upper strata again and pulls subsystem (third gyro wheel 4 and fourth gyro wheel 5) after pulling the subsystem (first gyro wheel 2 and second gyro wheel 3) around the lower floor, just can form "snakelike" traction path, thereby the cooling time of extension material strip in the cooling bath, satisfy complete refrigerated demand. The material strips can only form a linear traction path around the lower traction subsystem, so that the requirement of incomplete cooling is met.

The front end of the cooling tank is used as the advancing direction of the material strips; the front end of the cooling tank is provided with a liquid outlet 9, the rear end of the cooling tank is provided with a liquid inlet 6, and the liquid outlet and the liquid inlet are respectively opened and closed through respective valves. The cooling bath front end is material strip direction of advance, and the material strip is from the cooling bath rear end traction to the front end, and leakage fluid dram 9, inlet 6 set up both ends around the cooling bath respectively for coolant liquid flow direction is unanimous with material strip traction direction, so the material strip is crowded cooling that can be more quick after the cooling bath into by the extruder, does benefit to pulling of material strip, avoids the material strip too soft and takes place disconnected strip phenomenon.

The liquid level height corresponding to the liquid discharge port 9 can simultaneously submerge the pressure bar roller at the bottommost layer on the two auxiliary supports, so that the cooling liquid in the cooling tank is prevented from being emptied, and the lowest liquid level is ensured.

The front end of the cooling tank is also provided with an overflow port 8, and the overflow port 8 is positioned above the liquid discharge port 9 and close to the upper edge of the cooling tank. The overflow port 8 prevents the cooling liquid from overflowing out of the cooling tank to wet the ground due to overhigh liquid level, and is favorable for keeping the operation environment clean.

Overflow mouth 8 and leakage fluid dram 9 pass through collector pipe 7 intercommunication, realize sharing collector pipe flowing back, and the structure is more succinct, practices thrift the cost.

Different liquid levels (high, medium and low liquid levels) can be formed in the cooling tank by injecting cooling liquid (such as water) with different quantities, the overflow port and the liquid discharge port respectively correspond to the highest liquid level and the lowest liquid level, different liquid levels and different traction paths are matched to realize fine adjustment of different cooling requirements, and the liquid level is gradually reduced from high to low during cooling by taking a snake-shaped traction path as an example.

Example 2

The difference between the embodiment and embodiment 1 is that the height of the pressure bar roller can be freely adjusted, and specifically, two brackets in each sub-bracket are provided with height adjusting mechanisms for adjusting the height of the pressure bar roller.

The height adjusting mechanism can adopt the prior art, for example, a plurality of hole sites are arranged on the bracket at intervals along the vertical direction, and the pressure rod shaft is inserted into different hole sites to adjust the height.

Referring to fig. 3 and 4, in order to adjust more conveniently and quickly, the present embodiment provides the following height adjustment mechanism: the height adjusting mechanism comprises a vertical sliding groove 13 arranged on the support 11, and the end part of a pressure rod shaft of the pressure rod roller is clamped into the vertical sliding groove and can slide up and down in the vertical sliding groove; the end part of the pressure rod shaft is in threaded connection with a locking nut 12, the outer diameter of the locking nut 12 is larger than the width of the vertical sliding groove, and the pressure rod shaft is positioned through the pressing force of the locking nut on the support 11. The bracket can be tightly pressed for positioning by screwing the locking nut 12, and the pressure rod shaft can be slid for height adjustment by screwing the locking nut.

In order to facilitate installation of the pressure rod roller, the vertical sliding groove is a through groove, a pressure rod shaft of the pressure rod roller can be clamped from the top end of the vertical sliding groove, when the length of the pressure rod shaft is just equal to the distance between the vertical sliding grooves of the two supports in the same auxiliary support, motion interference can not occur, in addition, the two ends of the pressure rod shaft of the pressure rod roller are respectively abutted against the groove bottoms of the vertical sliding grooves of the corresponding supports, the two supports form a certain extrusion effect on the pressure rod shaft, and the pressure rod shaft is more stably positioned.

The height of the compression bar roller is adjusted, so that the length of a traction path is changed, the cooling time is further adjusted, the cooling requirement is dynamically matched, the length of the cooling groove does not need to be changed, particularly, the length of the cooling groove is prolonged for increasing the cooling time, and therefore the working space can be saved.

In addition, the upper layer of the pressure lever roller can be adjusted to be higher than the liquid level so as to reduce the water passing cooling time, and the upper layer of the pressure lever roller can be adjusted to be below the liquid level so as to increase the water passing cooling time.

In a word, the utility model provides a plastic extruding cooling device has the mode of multiple regulation water cooling time to can make up mutually and satisfy different cooling demands.

In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The above technical solution is only one implementation of the present invention, and for those skilled in the art, based on the principle disclosed in the present invention, various modifications or variations can be easily made, and not limited to the technical solution described in the above specific embodiments of the present invention, so that the foregoing description is only preferred, and not restrictive.

Claims

1. A plastic extrudate cooling apparatus characterized by: comprises a cooling tank for storing cooling liquid, wherein the front end and the rear end in the cooling tank are respectively provided with an auxiliary bracket; two pressure bar rollers are arranged on each pair of brackets at intervals along the vertical direction; the pressure bar roller comprises a pressure bar shaft and a roller sleeved on the pressure bar shaft; two supports in each auxiliary support are respectively arranged at the left side and the right side of the cooling tank, and two ends of the pressure rod shaft are respectively supported on the two supports of the same auxiliary support.

2. The plastic extrudate cooling apparatus of claim 1, wherein: the front end of the cooling tank is used as the advancing direction of the material strips; the front end of the cooling tank is provided with a liquid outlet, the rear end of the cooling tank is provided with a liquid inlet, and the liquid outlet and the liquid inlet are respectively opened and closed through respective valves.

3. The plastic extrudate cooling apparatus of claim 2, wherein: the liquid level height corresponding to the liquid outlet can simultaneously cover the compression bar rollers on the upper and lower layers of the two auxiliary brackets.

4. The plastic extrudate cooling apparatus of claim 2, wherein: the front end of the cooling tank is also provided with an overflow port which is positioned above the liquid outlet and is close to the upper edge of the cooling tank.

5. The plastic extrudate cooling apparatus of claim 4, wherein: the overflow port is communicated with the liquid discharge port through a collecting pipe.

6. The plastic extrudate cooling apparatus of claim 1, wherein: a plurality of annular grooves surrounding the outer circumferential surface of the roller are arranged on the roller at intervals.

7. The plastic extrudate cooling apparatus of claim 1, wherein: and two supports in each auxiliary support are respectively provided with a height adjusting mechanism for adjusting the height of the pressure bar roller.

8. The plastic extrudate cooling apparatus of claim 7, wherein: the height adjusting mechanism comprises a vertical sliding groove arranged on the support, and the end part of a pressure rod shaft of the pressure rod roller is clamped into the vertical sliding groove and can slide up and down in the vertical sliding groove; the end part of the pressure rod shaft is in threaded connection with a locking nut, the outer diameter of the locking nut is larger than the width of the vertical sliding groove, and the pressure rod shaft is positioned through pressing force of the locking nut on the support.

9. The plastic extrudate cooling apparatus of claim 8, wherein: the vertical sliding groove is a through groove.

10. The plastic extrudate cooling apparatus of claim 9, wherein: two ends of the pressure bar shaft of each pressure bar roller are respectively abutted against the groove bottoms of the vertical sliding grooves of the corresponding supports.