Flame-retardant PC / ABS plastic alloy extrusion cooling device

Abstract

The utility model relates to the technical field of injection molding equipment, in particular to a flame-retardant PC (polycarbonate) / ABS (acrylonitrile butadiene styrene) plastic alloy extrusion cooling device which comprises a cooling box, supporting legs and a top plate, and further comprises a lifting assembly, the lifting assembly comprises a lifter, a lifting plate and a bearing assembly, and the bearing assembly comprises a motor, a worm, a worm gear, a screw rod, a mounting piece and a guide roller. According to the flame-retardant PC / ABS plastic alloy extrusion cooling device, the cooling box is separated from the bearing assembly. The bearing assembly can be lifted through the lifting assembly, when the cooling box needs to be cleaned, the bearing assembly can be lifted, the interior of the cooling box is completely exposed, all corners of the cooling box can be conveniently cleaned, and the convenience and comprehensiveness of cleaning are greatly improved; a motor in the bearing assembly drives a worm to rotate, the worm drives a worm gear, then a screw is made to rotate, a mounting piece is in threaded connection with the screw, the mounting piece can move in a second sliding groove, and the guide roller is convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding equipment, in particular to a flame retardant PC / ABS plastic alloy extrusion cooling device. Background Art

[0002] PC / ABS material is a mixture of polycarbonate and acrylonitrile-butadiene-styrene copolymer;

[0003] The application number is 202223446874.9, and provides a flame-retardant PC plastic extrusion cooling device, including a cooling pool, four legs fixedly installed at the bottom of the cooling pool, a support frame connected to the front side of the cooling pool, an inner wall of the support frame connected to a power mechanism, and the power mechanism connected to a first driven gear. Impurities at the bottom of the cooling pool are removed from the cooling pool by a scraper, which is simple, convenient, time-saving and labor-saving. Impurities in the water are filtered through a filter to reduce impurities in the cooling pool and prevent impurities from adhering to the flame-retardant PC plastic. Impurities on the surface of the flame-retardant PC plastic are brushed off by a brush head to avoid impurities affecting the quality of the finished product.

[0004] The above structure still has the following disadvantages:

[0005] 1. The cooling pool has a complex structure, which makes it easy to clean the cooling pool comprehensively;

[0006] 2. The loading structure is located in the cooling pool, which is inconvenient for loading. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] In view of the deficiencies in the prior art, the utility model provides a flame retardant PC / ABS plastic alloy extrusion cooling device.

[0009] (II) Technical solution

[0010] To achieve the above purpose, the utility model provides the following technical solutions: a flame retardant PC / ABS plastic alloy extrusion cooling device, comprising a cooling box, legs and a top plate, the cooling box is provided with a cooling cavity with an upper opening, the four corners above the cooling box are provided with legs connected to the top plate, and also includes:

[0011] A lifting assembly, the lifting assembly comprising a lifter and a lifting plate, the four corners of the lifting plate being slidably connected to the legs, the output end of the lifter passing through the top plate and connected to the lifting plate;

[0012] A bearing assembly, which includes a motor, a worm, a worm wheel, a screw, a mounting member and a material guide roller. A first slide groove is provided at the center below the lifting plate, and second slide grooves are symmetrically provided at the front and rear ends on the left and right sides of the slide groove. The screw is rotatably provided in the second slide groove, and two groups of screws symmetrically arranged front and back pass through the first slide groove and are connected to the center of the worm wheel. A worm meshing with the two groups of worm wheels is also rotatably provided in the first slide groove, the output end of the motor passes through the lifting plate and is connected to the worm, the upper part of the mounting member extends into the second slide groove and is threadedly connected to the screw, and the material guide roller is provided between the two groups of mounting members symmetrically arranged front and back.

[0013] In order to facilitate the centering and moving support of the material guide roller, the utility model is improved in that the mounting part includes an inverted L-shaped support frame, a bearing seat and a connecting piece, the upper part of the support frame extends into the second slide groove and is threadedly connected to the screw rod, the support frame is rotatably provided with the bearing seat at the upper and lower ends of one side close to the first slide groove, and the bearing seat is provided with a connecting piece plugged into the material guide roller at one end close to the first slide groove.

[0014] In order to facilitate and stably disassemble and assemble the material guide roller, the utility model is improved in that the connecting member includes an elastic member, a mounting plate and an insert block, the two ends of the elastic member are respectively connected to the bearing seat and the mounting plate, the insert block is provided at one end of the mounting plate away from the elastic member, and slots adapted to the insert block are provided on the left and right sides of the material guide roller.

[0015] Preferably, the elastic member comprises a spring and a telescopic rod, the spring is sleeved on the telescopic rod, and both ends of the spring and the telescopic rod are respectively connected to the bearing seat and the mounting plate.

[0016] Preferably, retaining rings are symmetrically arranged on the front and rear sides of the guide roller.

[0017] Preferably, a reinforcing rib is further provided at one end of the support frame away from the bearing seat.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the utility model provides a flame retardant PC / ABS plastic alloy extrusion cooling device, which has the following beneficial effects:

[0020] The flame-retardant PC / ABS plastic alloy extrusion cooling device has a cooling box separated from the bearing assembly. The bearing assembly can be raised and lowered by the lifting assembly. When the cooling box needs to be cleaned, the bearing assembly can be lifted to fully expose the inside of the cooling box, making it easy to clean every corner of the cooling box, greatly improving the convenience and comprehensiveness of cleaning.

[0021] The motor in the bearing assembly drives the worm to rotate, and the worm drives the worm wheel, thereby rotating the screw. The mounting piece is threadedly connected to the screw, so that the mounting piece can move in the second slide groove, which is convenient for disassembly and assembly of the guide roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0023] Figure 2 It is a partial bottom view schematic diagram of the structure of the utility model;

[0024] Figure 3 The utility model structure Figure 2 A partial enlarged schematic diagram;

[0025] Figure 4 It is a partial explosion schematic diagram of the structure of the utility model.

[0026] In the figure: 1. cooling box; 2. supporting legs; 3. top plate; 4. lifting device; 5. lifting plate; 6. motor; 7. worm; 8. worm wheel; 9. screw; 10. guide roller; 11. supporting frame; 12. bearing seat; 13. mounting plate; 14. plug-in block; 15. spring; 16. telescopic rod; 17. retaining ring; 18. reinforcing rib. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-Figure 4 , a flame retardant PC / ABS plastic alloy extrusion cooling device, comprising a cooling box 1, a leg 2 and a top plate 3, wherein the cooling box 1 is provided with a cooling cavity with an upper opening, and the four corners above the cooling box 1 are provided with legs 2 connected to the top plate 3, the cooling box 1 is filled with a coolant for cooling materials, and the legs 2 provide a stable support for the top plate 3, and also comprises: a lifting assembly, wherein the lifting assembly comprises a lifter 4 and a lifting plate 5, wherein the four corners of the lifting plate 5 are slidably connected to the leg 2, the output end of the lifter 4 passes through the top plate 3 and is connected to the lifting plate 5, the lifter 4 adopts a cylinder, and the lifter 4 drives the lifting plate 5 to stably lift and lower, and the height of the bearing assembly can be adjusted, and when the lifting plate 5 is close to the cooling cavity, foreign matter can be prevented from entering the cooling cavity;

[0029] In actual use, the bearing assembly includes a motor 6, a worm 7, a worm wheel 8, a screw 9, a mounting part and a guide roller 10. A first slide groove is arranged at the center below the lifting plate 5. Second slide grooves are symmetrically arranged at the front and rear ends on the left and right sides of the slide groove. The screw 9 is rotatably arranged in the second slide groove. The two groups of screws 9 symmetrically arranged in the front and rear pass through the first slide groove and are connected to the center of the worm wheel 8. A worm 7 meshing with the two groups of worm wheels 8 is also rotatably arranged in the first slide groove. The output end of the motor 6 passes through the lifting plate 5. The lowering plate 5 is connected to the worm 7, the upper part of the mounting part extends into the second slide groove and is threadedly connected to the screw 9, the guide roller 10 is arranged between the two groups of mounting parts symmetrically arranged front and back, and the guide roller 10 is also symmetrically provided with retaining rings 17 on the front and back sides. The guide roller 10 with the retaining rings 17 at corresponding intervals is rotated according to the specifications of the material. At first, the interval between the two groups of mounting parts is large, and the motor 6 is started. The motor 6 drives the worm 7 to rotate, and the worm wheel 8 drives the screw 9 to rotate. The two groups of mounting parts move toward each other to carry the guide roller 10.

[0030] In this embodiment, the mounting member includes an inverted L-shaped support frame 11, a bearing seat 12 and a connecting member. The upper part of the support frame 11 extends into the second slide groove and is threadedly connected to the screw rod 9. The support frame 11 is rotatably provided with the bearing seat 12 at both ends of the upper and lower ends near the first slide groove. The bearing seat 12 is provided with a connecting member plugged into the guide roller 10 at one end near the first slide groove. The connecting member includes an elastic member, a mounting plate 13 and an insert block 14. The two ends of the elastic member are respectively connected to the bearing seat 12 and the mounting plate 13. The insert block 14 is provided at one end of the mounting plate 13 away from the elastic member. Slots adapted to the insert block 14 are provided on the left and right sides of the guide roller 10. The insert block 14 is rectangular. The insert block 14 is provided with a chamfer at one end away from the mounting plate 13. As the screw 9 rotates, the two groups of support frames 11 move toward each other. A feeding device and a winding device are provided on the left and right sides of the cooling box 1. The material contacts the guide roller 10. Since the bearing seat 12 of the support frame 11 stably supports the mounting plate 13 through an elastic member, the guide roller 10 can rotate with the movement of the material. The elastic member includes a spring 15 and a telescopic rod 16. The spring 15 is sleeved on the telescopic rod 16. Both ends of the spring 15 and the telescopic rod 16 are respectively connected to the bearing seat 12 and the mounting plate 13. The telescopic rod 16 ensures that the mounting plate 13 moves stably. The spring 15 facilitates the resetting of the mounting plate 13. When the guide roller 10 is disassembled, several groups of guide rollers 10 are prevented from falling at the same time.

[0031] In actual use, a reinforcing rib 18 is further provided at one end of the support frame 11 away from the bearing seat 12 to ensure the strength of the support frame 11 .

[0032] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0033] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A flame retardant PC / ABS plastic alloy extrusion cooling device, comprising a cooling box (1), legs (2) and a top plate (3), wherein the cooling box (1) is provided with a cooling cavity with an upper opening, and legs (2) connected to the top plate (3) are provided at four upper corners of the cooling box (1), characterized in that: Also includes: A lifting assembly, the lifting assembly comprising a lifter (4) and a lifting plate (5), the four corners of the lifting plate (5) being slidably connected to the legs (2), and the output end of the lifter (4) passing through the top plate (3) and connected to the lifting plate (5); A bearing assembly, the bearing assembly comprising a motor (6), a worm (7), a worm wheel (8), a screw (9), a mounting member and a material guide roller (10), a first slide groove being arranged at the center below the lifting plate (5), second slide grooves being symmetrically arranged at the front and rear ends on the left and right sides of the slide groove, the screw (9) being rotatably arranged in the second slide groove, two groups of screws (9) arranged symmetrically in front and back passing through the first slide groove and being connected to the center of the worm wheel (8), a worm (7) meshing with the two groups of worm wheels (8) being rotatably arranged in the first slide groove, an output end of the motor (6) passing through the lifting plate (5) and being connected to the worm (7), an upper part of the mounting member extending into the second slide groove and being threadedly connected to the screw (9), and the material guide roller (10) being arranged between the two groups of mounting members arranged symmetrically in front and back.

2. A flame retardant PC / ABS plastic alloy extrusion cooling device according to claim 1, characterized in that: The mounting member comprises an inverted L-shaped support frame (11), a bearing seat (12) and a connecting member, the upper portion of the support frame (11) extends into the second slide groove and is threadedly connected to the screw rod (9), the bearing seat (12) is rotatably arranged at the upper and lower ends of one side of the support frame (11) close to the first slide groove, and the bearing seat (12) is arranged at one end close to the first slide groove with a connecting member plugged into the material guide roller (10).

3. A flame retardant PC / ABS plastic alloy extrusion cooling device according to claim 2, characterized in that: The connecting member comprises an elastic member, a mounting plate (13) and an insert block (14); two ends of the elastic member are respectively connected to the bearing seat (12) and the mounting plate (13); the insert block (14) is arranged at one end of the mounting plate (13) away from the elastic member; and slots matching the insert block (14) are arranged on the left and right sides of the guide roller (10).

4. A flame retardant PC / ABS plastic alloy extrusion cooling device according to claim 3, characterized in that: The elastic member comprises a spring (15) and a telescopic rod (16), the spring (15) being sleeved on the telescopic rod (16), and both ends of the spring (15) and the telescopic rod (16) being respectively connected to the bearing seat (12) and the mounting plate (13).

5. A flame retardant PC / ABS plastic alloy extrusion cooling device according to claim 4, characterized in that: The guide roller (10) is also symmetrically provided with retaining rings (17) on both the front and rear sides.

6. A flame retardant PC / ABS plastic alloy extrusion cooling device according to claim 5, characterized in that: A reinforcing rib (18) is also provided at one end of the support frame (11) away from the bearing seat (12).

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