Polyester resin crushing equipment

Abstract

The utility model discloses polyester resin crushing equipment, which comprises a primary crushing device, a secondary crushing device, a secondary crushing device, a drying device, a drying device and a crushing device, the top of the primary crushing device is provided with an opening, and the primary crushing device is used for primarily crushing polyester resin; the feeding hopper is communicated with the top opening of the primary crushing device; the secondary crushing device is communicated with the bottom of the primary crushing device, and the secondary crushing device is used for performing secondary crushing on the polyester resin treated by the primary crushing device; the driving mechanism is used for providing power for rotation of the primary crushing device and the secondary crushing device; the collecting device is positioned below the secondary crushing device; the primary crushing device and the secondary crushing device are used for crushing the polyester resin, so that the crushed polyester resin particles are more uniform and convenient for subsequent use, the crushed polyester resin falls into the collecting box, the collecting box can be overturned for dumping during collection, and the operation is convenient and simple.

Description

Technical Field

[0001] The utility model relates to the technical field of polyester resin production, in particular to polyester resin crushing equipment. Background Art

[0002] Polyester resin is a general term for polymer compounds formed by the condensation of diols or dibasic acids or polyols and polyacids. Polyester resin is divided into saturated polyester resin and unsaturated polyester resin. After production, polyester resin is usually crushed to make it into fine particles for easy storage and transportation. The existing polyester resin crushing equipment will have differences in the crushed polyester resin particles, which affects the user experience, and the crushed polyester resin is not easy to collect. Based on this, a polyester resin crushing equipment is designed. Utility Model Content

[0003] In order to overcome at least one defect of the above-mentioned prior art, the utility model provides a polyester resin crushing device. The polyester resin is crushed by a primary crushing device and a secondary crushing device, so that the particles of the crushed polyester resin are more uniform, which is convenient for subsequent use, and the crushed polyester resin falls into a collection box, which can be turned over and dumped during collection, and the operation is convenient and simple.

[0004] The technical solution adopted by the utility model to solve the problem is:

[0005] A polyester resin pulverizing device comprises: a primary pulverizing device, the top of which is open and used for performing initial pulverizing of polyester resin; a feeding hopper, the feeding hopper being connected to the top opening of the primary pulverizing device; a secondary pulverizing device, the secondary pulverizing device being connected to the bottom of the primary pulverizing device and used for performing secondary pulverizing of the polyester resin after the primary pulverizing device; a driving mechanism, the driving mechanism being used for providing power for the rotation of the primary pulverizing device and the secondary pulverizing device; a collecting device, the collecting device being located below the secondary pulverizing device; and a mounting structure, the mounting structure being located below the secondary pulverizing device and around the collecting device, so that space is reserved between the driving mechanism, the secondary pulverizing device and the collecting device and the ground.

[0006] By adopting the above scheme, the polyester resin is crushed by the primary crushing device and the secondary crushing device, so that the particles of the crushed polyester resin are more uniform, which is convenient for subsequent use, and the crushed polyester resin falls into the collection box. When collecting, the collection box can be turned over and dumped, which is convenient and simple to operate.

[0007] Furthermore, the primary crushing device includes: a first crushing box, which is hollow inside; a first crushing shaft, which is located inside the first crushing box and arranged along the length direction of the first crushing box; a crushing blade, which is arranged on the outer surface of the first crushing shaft; a screen plate, which is arranged at the bottom of the first crushing box, and a plurality of first screen holes are arranged on the screen plate.

[0008] By adopting the above scheme, it is convenient to initially pulverize the polyester resin.

[0009] Furthermore, the secondary crushing device includes: a second crushing box, which is hollow inside; a crushing shell, which includes an upper shell and a lower shell, the upper shell is connected to the screen plate, and a plurality of second sieve holes are arranged at the bottom of the lower shell; a second crushing shaft, which is located inside the crushing shell and arranged along the width direction of the crushing shell; and a crushing roller, which is arranged on the outer surface of the second crushing shaft, and the outer surface of the crushing roller is distributed with crushing teeth.

[0010] By adopting the above scheme, it is convenient to crush the polyester resin after the initial crushing again, and the crushing effect is better.

[0011] Furthermore, the mounting structure includes: a first support frame, which is located below the second crushing box; four first support uprights, which are located at the four corners of the bottom of the support frame; four second support uprights, which are located on one side of the four first support uprights; and a second support frame, which is located on the top of the four second support uprights.

[0012] By adopting the above solution, space is reserved to facilitate crushing and collecting operations.

[0013] Furthermore, the driving mechanism includes: a driving motor, which is located at the top of the second support frame; a first pulley, which is drivingly connected to the output shaft of the driving motor; and a gear box, which is drivingly connected to the input end of the gear box.

[0014] Furthermore, the end of the second crushing shaft is connected to the second pulley, a belt is sleeved between the first pulley and the second pulley, and the output end of the gear box is drivingly connected to the first crushing shaft.

[0015] By adopting the above solution, the first crushing shaft and the second crushing shaft are driven to rotate by the driving motor.

[0016] Furthermore, the collecting device includes: a mounting plate, the mounting plate is clamped between the four first supporting uprights, and a slide groove is arranged on the top of the mounting plate; a transmission screw, the transmission screw is located inside the mounting plate; a screw motor, the output shaft of the screw motor is connected to the transmission screw; a collecting box assembly, the collecting box assembly is arranged on the top of the mounting plate, a slider is arranged on one side of the bottom of the collecting box assembly, and the slider is arranged on the outside of the transmission screw, and the slider moves horizontally along the slide groove.

[0017] By adopting the above solution, the collection box assembly can be moved outside the mounting plate through the cooperation of the screw motor and the transmission screw, so as to facilitate subsequent dumping.

[0018] Furthermore, the collection box assembly includes: a mounting base; a collection box, the top of the collection box is open and the interior is hollow, one side of the collection box is hinged to the mounting base so that the collection box can be flipped at an angle of 0-180 degrees, a fixing buckle is provided on the outer surface of the other side of the collection box, a card block is provided on the outer surface of the same side of the mounting base and the collection box, and the fixing buckle is fixed to the card block.

[0019] By adopting the above solution, the fixing effect of the collection box and the mounting base is achieved by the clamping and fixing of the fixing buckle and the clamping block. The collection box and the mounting base are hinged so that the collection box can be turned over to dump the collected polyester resin.

[0020] Furthermore, the diameter of the first sieve hole is greater than the diameter of the second sieve hole.

[0021] By adopting the above scheme, the polyester resin that has been primarily crushed is transported through the first mesh, and the polyester resin that has been secondarily crushed is transported to the collection box through the second mesh. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0023] Figure 2 It is a schematic diagram of the top structure of an embodiment of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of a crushing roller according to an embodiment of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the second crushing box in an embodiment of the utility model;

[0026] Figure 5 This is a schematic diagram of the structure of a collecting device according to an embodiment of the utility model;

[0027] Figure 6This is a schematic diagram of the fixing buckle and the clamping block structure of an embodiment of the utility model;

[0028] The meanings of the reference numerals are as follows: 1. primary crushing device; 11. first crushing box; 12. first crushing shaft; 13. crushing blade; 14. sieve plate; 141. first sieve hole; 2. feeding hopper; 3. secondary crushing device; 31. second crushing box; 32. crushing shell; 321. upper shell; 322. lower shell; 33. second sieve hole; 34. second crushing shaft; 341. second pulley; 35. crushing roller; 351. crushing teeth; 4. driving machine Structure; 41. Drive motor; 42. First pulley; 421. Belt; 43. Gear box; 5. Collecting device; 51. Mounting plate; 52. Drive screw; 53. Screw motor; 54. Collecting box assembly; 541. Mounting base; 5411. Block; 542. Collecting box; 5421. Fixing buckle; 55. Slider; 6. Mounting structure; 61. First support frame; 62. First support pole; 63. Second support pole; 64. Second support frame. DETAILED DESCRIPTION

[0029] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the accompanying drawings of the present invention. Obviously, what is described here is only a part of the examples of the present invention, not all the examples. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] In order to facilitate the understanding of the embodiments of the present utility model, the following will be further explained by taking specific embodiments as examples in conjunction with the drawings, and each embodiment does not constitute a limitation on the embodiments of the present utility model.

[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0033] See also Figure 1-Figure 6 The utility model discloses a polyester resin crushing equipment: comprising a primary crushing device 1, a feeding hopper 2, a secondary crushing device 3, a driving mechanism 4, a mounting structure 6 and a collecting device 5, wherein the primary crushing device 1 has an opening at the top, and the primary crushing device 1 is used for initially crushing the polyester resin; the feeding hopper 2 is connected with the top opening of the primary crushing device 1; the secondary crushing device 3 is connected with the bottom of the primary crushing device 1, and the secondary crushing device 3 is used for secondary crushing the polyester resin after the primary crushing device 1; the driving mechanism 4 is used to provide power for the rotation of the primary crushing device 1 and the secondary crushing device; the collecting device 5 is located below the secondary crushing device 3; the mounting structure 6 is located below the secondary crushing device 3 and around the collecting device 5, so that space is reserved between the driving mechanism 4, the secondary crushing device 3 and the collecting device 5 and the ground. The polyester resin is crushed by the primary crushing device 1 and the secondary crushing device 3, so that the particles of the crushed polyester resin are more uniform, which is convenient for subsequent use, and the crushed polyester resin falls into the collection box 542. When collecting, the collection box 542 can be turned over and dumped, which is convenient and simple to operate.

[0034] In this embodiment, the primary crushing device 1 includes a first crushing box 11, a first crushing shaft 12, a crushing blade 13 and a screen plate 14. The first crushing box 11 is hollow inside; the first crushing shaft 12 is located inside the first crushing box 11 and is arranged along the length direction of the first crushing box 11; the crushing blade 13 is arranged on the outer surface of the first crushing shaft 12; the screen plate 14 is arranged at the bottom of the first crushing box 11, and a plurality of first sieve holes 141 are arranged on the screen plate 14 to facilitate the preliminary crushing of the polyester resin.

[0035] In this embodiment, the secondary crushing device 3 includes a second crushing box 31, a crushing shell 32, a second crushing shaft 34 and a crushing roller 35, the second crushing box 31 is hollow inside; the crushing shell 32 includes an upper shell 321 and a lower shell 322, the upper shell 321 is connected to the screen plate 14, and a plurality of second sieve holes 33 are arranged at the bottom of the lower shell 322; the second crushing shaft 34 is located inside the crushing shell 32 and is arranged along the width direction of the crushing shell 32; the crushing roller 35 is arranged on the outer surface of the second crushing shaft 34, and the outer surface of the crushing roller 35 is distributed with crushing teeth 351, which is convenient for re-crushing the polyester resin after the initial crushing, and the crushing effect is better.

[0036] The diameter of the first sieve hole 141 is larger than the diameter of the second sieve hole 33. The first sieve hole 141 is used to transport the primary crushed polyester resin, and the second sieve hole 33 is used to transport the secondary crushed polyester resin to the collection box 542.

[0037] In this embodiment, the mounting structure 6 includes a first support frame 61, four first support uprights 62, four second support uprights 63 and a second support frame 64, the first support frame 61 is located below the second crushing box 31; the four first support uprights 62 are located at the four corners of the bottom of the support frame; the four second support uprights 63 are located on one side of the four first support uprights 62; the second support frame 64 is located on the top of the four second support uprights 63, and the reserved space is convenient for crushing and collecting operations.

[0038] In this embodiment, the driving mechanism 4 includes a driving motor 41, a first pulley 42 and a gear box 43, and the driving motor 41 is located at the top of the second support frame 64; the first pulley 42 is connected to the output shaft of the driving motor 41; the output shaft of the driving motor 41 is connected to the input end of the gear box 43, the end of the second crushing shaft 34 is connected to the second pulley 341, a belt 421 is arranged between the first pulley 42 and the second pulley 341, and the output end of the gear box 43 is connected to the first crushing shaft 12, and the first crushing shaft 12 and the second crushing shaft 34 are driven to rotate by the driving motor 41.

[0039] In this embodiment, the collecting device 5 includes a mounting plate 51, a transmission screw 52, ​​a screw motor 53 and a collecting box assembly 54. The mounting plate 51 is clamped between the four first supporting uprights 62, and a slide groove is provided on the top of the mounting plate 51; the transmission screw 52 is located inside the mounting plate 51; the output shaft of the screw motor 53 is connected to the transmission screw 52; the collecting box assembly 54 is arranged on the top of the mounting plate 51, and a slider 55 is provided on one side of the bottom of the collecting box assembly 54, and the slider 55 is provided on the outside of the transmission screw 52, ​​and the slider 55 moves horizontally along the slide groove, and the collecting box assembly 54 can be moved outside the mounting plate 51 through the cooperation of the screw motor 53 and the transmission screw 52, ​​so as to facilitate subsequent dumping.

[0040] Specifically, the collecting box assembly 54 includes a mounting base 541 and a collecting box 542. The top of the collecting box 542 is open and the inside is hollow. One side of the collecting box 542 is hinged to the mounting base 541 so that the flip angle of the collecting box 542 is 0-180 degrees. A fixing buckle 5421 is provided on the outer surface of the other side of the collecting box 542. A clamping block 5411 is provided on the outer surface of the same side of the mounting base 541 and the collecting box 542, and the fixing buckle 5421 is clamped and fixed to the clamping block 5411. The fixing effect of the collecting box 542 and the mounting base 541 is achieved by clamping and fixing the fixing buckle 5421 and the clamping block 5411. The collecting box 542 is hinged to the mounting base 541 so that the collecting box 542 can be flipped over to dump the collected polyester resin.

[0041] The working principle and steps of the utility model are as follows: when in use, firstly, the crushed polyester resin is put into the feed hopper 2, and the switch of the driving motor 41 is turned on. The driving motor 41 drives the first crushing shaft 12 to rotate, and the polyester resin is preliminarily crushed by the crushing blade 13. The preliminarily crushed polyester resin passes through the first sieve hole 141 of the sieve plate 14 and falls into the crushing shell 32 of the second crushing box 31, and the polyester resin is secondarily crushed by the crushing teeth 351 on the outside of the crushing roller 35. The polyester resin after the second crushing falls into the collection box 542 from the second sieve hole 33. When the collection is completed, the transmission screw 52 is driven by the screw motor 53, and the transmission screw 52 drives the slider 55 to move longitudinally to move the collection box assembly 54 to the outside of the mounting plate 51. By disengaging the fixing buckle 5421 from the block 5411, the collection box 542 is turned over, and the polyester resin can be dumped and collected.

[0042] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A polyester resin pulverizing device, characterized in that: include: A primary pulverizing device, the top of which is open, and the primary pulverizing device is used for primary pulverizing of polyester resin; A feeding hopper, the feeding hopper is connected to the top opening of the primary crushing device; A secondary pulverizing device, the secondary pulverizing device is connected to the bottom of the primary pulverizing device, and the secondary pulverizing device is used to perform secondary pulverization on the polyester resin after the primary pulverizing device; A driving mechanism, the driving mechanism is used to provide power for the rotation of the primary crushing device and the secondary crushing device; A collecting device, the collecting device is located below the secondary crushing device; The mounting structure is located below the secondary crushing device and around the collecting device, so that space is reserved between the driving mechanism, the secondary crushing device and the collecting device and the ground.

2. A polyester resin pulverizing device according to claim 1, characterized in that: The primary crushing device comprises: a first crushing box, wherein the first crushing box is hollow inside; a first crushing shaft, the first crushing shaft being located inside the first crushing box and arranged along the length direction of the first crushing box; A crushing blade, the crushing blade is arranged on the outer surface of the first crushing shaft; The sieve plate is arranged at the bottom of the first crushing box, and a plurality of first sieve holes are arranged on the sieve plate.

3. A polyester resin pulverizing device according to claim 2, characterized in that: The secondary crushing device comprises: a second crushing box, wherein the second crushing box is hollow inside; A pulverizing shell, the pulverizing shell comprising an upper shell and a lower shell, the upper shell is communicated with the sieve plate, and a plurality of second sieve holes are arranged at the bottom of the lower shell; A second pulverizing shaft, the second pulverizing shaft is located inside the pulverizing shell and is arranged along the width direction of the pulverizing shell; A crushing roller is arranged on the outer surface of the second crushing shaft, and crushing teeth are distributed on the outer surface of the crushing roller.

4. A polyester resin pulverizing device according to claim 3, characterized in that: The mounting structure comprises: a first support frame, the first support frame being located below the second crushing box; Four first support uprights, the four first support uprights being located at four corners of the bottom of the support frame; Four second supporting poles, wherein the four second supporting poles are located on one side of the four first supporting poles; A second support frame, wherein the second support frame is located on top of the four second support uprights.

5. A polyester resin pulverizing device according to claim 4, characterized in that: The driving mechanism comprises: A driving motor, wherein the driving motor is located on the top of the second supporting frame; A first pulley, the first pulley is drivingly connected to the output shaft of the driving motor; A gear box, wherein the output shaft of the drive motor is drivingly connected to the input end of the gear box.

6. The polyester resin pulverizing device according to claim 5, characterized in that: The end of the second crushing shaft is connected to the second pulley, a belt is sleeved between the first pulley and the second pulley, and the output end of the gear box is drivingly connected to the first crushing shaft.

7. The polyester resin pulverizing device according to claim 6, characterized in that: The collecting device comprises: A mounting plate, the mounting plate is clamped between the four first supporting uprights, and a slide groove is provided on the top of the mounting plate; A transmission screw rod, the transmission screw rod is located inside the mounting plate; A screw motor, the output shaft of which is connected to the transmission screw; A collection box assembly is arranged on the top of the mounting plate, a slider is arranged on one side of the bottom of the collection box assembly, and the slider is arranged on the outside of the transmission screw rod, and the slider moves horizontally along the slide groove.

8. The polyester resin pulverizing device according to claim 7, characterized in that: The collection box assembly comprises: Install the base; A collection box, the top of which is open and the interior is hollow, one side of the collection box is hinged to the mounting base so that the collection box can be flipped at an angle of 0-180 degrees, a fixing buckle is provided on the outer surface of the other side of the collection box, a card block is provided on the outer surface of the same side of the mounting base and the collection box, and the fixing buckle is fixedly engaged with the card block.

9. The polyester resin pulverizing device according to claim 8, characterized in that: The diameter of the first mesh hole is greater than the diameter of the second mesh hole.

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