Mould locking device for underwater granulator

Abstract

The utility model relates to the technical field of underwater granulator, and discloses a mold locking device for an underwater granulator, which comprises a connecting seat, a water chamber; the first locking assembly comprises a connecting cylinder which is arranged on the peripheral surface of the connecting seat in a sealing and rotating sleeving manner, a rotating driving part for driving the connecting cylinder to rotate, and a female lock catch arranged at the end part of the connecting cylinder; the second locking assembly comprises a plurality of male lock catches arranged on the peripheral surface of the water chamber; wherein the female lock catch is annularly arranged, an annular containing groove is formed in the inner ring wall of the female lock catch, and a plurality of containing openings are formed in the inner wall of the containing groove in the circumferential direction of the axis direction of the female lock catch. The mold locking device has the effect of improving the mold locking efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of underwater pelletizers, and particularly to a mold clamping device for an underwater pelletizer. Background Art

[0002] An underwater pelletizer is a plastic pellet cutting device commonly used in the plastic granulation industry. Existing underwater pelletizers generally include a frame, a pellet cutting device, a cooling water pipeline, and a cutting chamber. The frame is installed on the ground, the pellet cutting device is slidably installed on the frame, the cooling water pipeline is internally provided with flowing cooling water, the cutting chamber is installed on the cooling water pipeline, and the pellet cutting device and the cutting chamber are inserted and matched.

[0003] After the upstream equipment melts the plastic products, the plastic melt is extruded into the cutting chamber through a die head and contacts the cooling water. At the moment when the plastic melt enters the cutting chamber, the pellet cutting device instantly cuts the plastic melt in the cooling water into granular form through a cutting head, and the granular plastic melt flows into the next process with the cooling water for separation. In order to improve the sealing performance between the pellet cutting device and the cutting chamber when the pellet cutting device is working, a mold clamping device is generally installed between the pellet cutting device and the cutting chamber.

[0004] There is a Chinese patent with an authorized announcement number of CN210791620U, which discloses a mold clamping device for an underwater pelletizer. The underwater pelletizer has a connecting seat and a water chamber, and it includes a connecting body and a locking disc. Among them, at least two clamping blocks are evenly arranged along the outer circumference of the connecting body, and stoppers corresponding to the clamping blocks one by one are evenly arranged along the inner circumference of the end of the locking disc close to the connecting body. A notch for the clamping block to extend into the locking disc is formed between adjacent stoppers. The connecting body is fixed on one of the connecting seat and the water chamber, and the locking disc is rotatably sleeved on the other, so that after the clamping block extends into the locking disc, the locking disc is rotated to align the stopper with the clamping block to realize the mold clamping of the connecting seat and the water chamber.

[0005] For the above-mentioned mold clamping device for an underwater pelletizer, when mold clamping is required, the connecting seat is moved closer to the water chamber, and the clamping block enters the inside of the locking disc from the notch of the locking disc. Then, the staff rotates the locking disc to limit the clamping block, so as to complete the mold clamping of the connecting seat and the water chamber. When mold clamping, it is necessary for the staff to manually control the handle to rotate for mold clamping, which has the defect of low mold clamping efficiency. Utility Model Content

[0006] In order to improve the efficiency of mold clamping, the present application provides a mold clamping device for an underwater pelletizer.

[0007] The mold clamping device for an underwater pelletizer provided by the present application adopts the following technical solutions:

[0008] A mold clamping device for an underwater pelletizer, the mold clamping device includes;

[0009] Connecting seat;

[0010] Water chamber;

[0011] The first locking assembly includes a connecting cylinder that is hermetically rotatably sleeved on the outer peripheral surface of the connecting seat, a rotation driving part for driving the connecting cylinder to rotate, and a female lock provided at the end of the connecting cylinder;

[0012] The second locking assembly includes a plurality of male locks provided on the outer peripheral surface of the water chamber;

[0013] Wherein, the female lock is annularly arranged, an annular placing groove is formed on the inner peripheral wall of the female lock, and a plurality of placing openings are circumferentially formed on the inner wall of the placing groove along the axial direction of the female lock;

[0014] During mold clamping, the male lock is placed in the placing groove, and the end of the water chamber and the inner wall of the placing groove are hermetically abutted, and then the connecting cylinder is rotated by the rotation driving part to limit the male lock by the inner wall of the placing groove.

[0015] Optionally, the rotation driving part includes a gear ring provided on the outer peripheral surface of the connecting cylinder and a driving motor in transmission cooperation with the gear ring, and the gear ring is detachably connected to the connecting cylinder through a mounting member.

[0016] Optionally, the mounting member includes a mounting groove detachably provided on the outer peripheral surface of the connecting cylinder and a mounting rod provided on the groove wall of the mounting groove, a mounting hole is formed on the gear ring, the gear ring is placed on the inner wall of the mounting groove, and the mounting rod and the mounting hole are in plug-in fit.

[0017] Optionally, a guiding groove is formed on the inner wall of the mounting groove, and the end of the mounting rod is in sliding fit with the guiding groove.

[0018] Optionally, a positioning block arranged in a T shape is provided on one side of the mounting groove close to the connecting cylinder, a positioning groove arranged in a T shape is formed on the outer peripheral surface of the connecting cylinder, and the positioning block and the positioning groove are in plug-in fit.

[0019] Optionally, a blocking plate is provided at the end of the connecting cylinder, a blocking block is provided on the blocking plate, and the blocking block abuts against the positioning block.

[0020] Optionally, the distance between the inner walls of the mounting groove gradually increases in the direction from close to the connecting cylinder to far from the connecting cylinder.

[0021] Optionally, the mounting hole is a round hole and the mounting rod is a round rod.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. When performing mold clamping, move the first locking component towards the second locking component, so that the male lock catch enters the interior of the placement groove from the placement opening, and make the end of the water chamber and the inner wall of the placement groove seal and abut. Then, make the driving motor drive the connecting cylinder to rotate through the gear ring to block the male lock catch by the inner wall of the placement groove, so as to complete mold clamping and improve the efficiency of mold clamping. When installing the gear ring, insert the installation rod into the installation hole on the gear ring. Then, make the end of the installation rod slide inside the guiding groove, and place the inner ring of the gear ring inside the installation groove through the installation rod. Then, slide the positioning block into the positioning groove, and install the blocking plate at the end of the connecting cylinder, making the blocking block and the positioning block abut, so as to complete the installation of the gear ring. When the gear ring rotates, the gear ring drives the installation groove and the connecting cylinder to rotate through the installation rod to complete mold clamping, thereby improving the efficiency of mold clamping. Description of the Drawings

[0024] Figure 1 is the overall structural schematic diagram of the embodiment of the present application.

[0025] Figure 2 is the schematic diagram showing the relative positions of the connecting cylinder and the gear ring in the embodiment of the present application.

[0026] Figure 3 is the schematic diagram showing the relative positions of the connecting cylinder and the positioning groove in the embodiment of the present application.

[0027] Figure 4 is the schematic diagram showing the structures of the water chamber and the male lock catch in the embodiment of the present application.

[0028] Figure 5 is the schematic diagram showing the relative positions of the gear ring and the mounting member in the embodiment of the present application.

[0029] Figure 6 is the schematic diagram showing the relative positions of the gear ring and the installation rod in the embodiment of the present application.

[0030] Figure 7 is the schematic diagram showing the relative positions of the blocking plate and the blocking block in the embodiment of the present application.

[0031] Description of the Reference Numerals:

[0032] 1. Connecting seat; 2. Water chamber; 3. First locking component; 31. Connecting cylinder; 311. Positioning groove; 32. Rotation driving part; 321. Gear ring; 3211. Installation hole; 322. Driving motor; 33. Female lock catch; 331. Placement groove; 332. Placement opening; 34. Mounting member; 341. Installation groove; 3411. Positioning block; 3412. Guiding groove; 342. Installation rod; 35. Blocking plate; 351. Blocking block; 4. Second locking component; 41. Male lock catch. Detailed Embodiment

[0033] The following further elaborates on this application in conjunction with the accompanying Figures 1-7 drawings for a more detailed description.

[0034] An embodiment of this application discloses a mold locking device for an underwater pelletizer.

[0035] A mold locking device for an underwater pelletizer includes a connecting seat 1, a water chamber 2, a first locking assembly 3, and a second locking assembly 4. The connecting seat 1 is fixedly installed on the pelletizing device, the first locking assembly 3 is rotatably installed on the connecting seat 1, and the second locking assembly 4 is fixedly installed on the outer peripheral surface of the water chamber 2.

[0036] When mold locking is required, the first locking assembly 3 and the second locking assembly 4 are brought closer, and then, the first locking assembly 3 and the second locking assembly 4 are connected to complete the mold locking.

[0037] The first locking assembly 3 includes a connecting cylinder 31, a rotary drive part 32, and a female lock catch 33. The connecting cylinder 31 is in sealed rotational fit with the connecting seat 1. The female lock catch 33 is located at the end of the connecting cylinder 31, and the female lock catch 33 and the connecting cylinder 31 are integrally formed. The female lock catch 33 is arranged in a ring shape, and an annular placement groove 331 is formed on the inner peripheral wall of the female lock catch 33, and a plurality of placement openings 332 are circumferentially formed on the inner wall of the placement groove 331 along the axis direction of the female lock catch 33.

[0038] The second locking assembly 4 includes a plurality of male lock catches 41. The male lock catches 41 are arranged in a block shape, and the male lock catches 41 and the water chamber 2 are integrally formed. The plurality of male lock catches 41 correspond to the plurality of placement openings 332 one by one, and the male lock catches 41 and the placement openings 332 are in plug-in fit. After the first locking assembly 3 and the second locking assembly 4 are brought closer, the male lock catches 41 enter the interior of the placement groove 331 from the placement openings 332, and the end of the water chamber 2 is in sealed contact with the inner wall of the placement groove 331. Then, the connecting cylinder 31 is rotated to lock and limit the male lock catches 41 by the inner wall of the placement groove 331.

[0039] The rotary drive part 32 includes a gear ring 321 and a drive motor 322. The gear ring 321 is detachably connected to the connecting cylinder 31 through a mounting member 34. The mounting member 34 includes a mounting groove 341 and a mounting rod 342. A positioning block 3411 arranged in a T shape is formed on one side of the mounting groove 341 close to the connecting cylinder 31, and a positioning groove 311 arranged in a T shape is formed on the outer peripheral surface of the connecting cylinder 31. The positioning block 3411 and the positioning groove 311 are in plug-in fit. At the same time, in order to improve the stability of the positioning block 3411 installed inside the positioning groove 311, a blocking plate 35 is fixedly installed at the end of the connecting cylinder 31 through screws. A plurality of blocking blocks 351 are fixedly installed on one side of the blocking plate 35 close to the connecting cylinder 31. The blocking blocks 351 and the positioning groove 311 are in plug-in fit, and one side of the blocking blocks 351 away from the blocking plate 35 is in contact with the positioning block 3411.

[0040] The inner ring of the gear ring 321 is located inside the installation groove 341. In order to facilitate the placement of the gear ring 321 inside the installation groove 341, the distance between the inner walls of the installation groove 341 gradually increases in the direction from near the connecting cylinder 31 to far from the connecting cylinder 31. At the same time, in order to facilitate the positioning of the gear ring 321, a guiding groove 3412 is provided on the inner wall of the installation groove 341, and a number of positioning holes are provided on the side wall of the gear ring 321. The positioning rod and the positioning hole are inserted and matched, and the guiding rod and the positioning hole are slidably matched. At the same time, in order to facilitate the sliding of the installation rod 342 inside the guiding groove 3412, the installation hole 3211 is a circular hole, and the installation rod 342 is a circular rod. The driving motor 322 and the gear ring 321 are in transmission cooperation. When the gear ring 321 rotates, the gear ring 321 drives the installation groove 341 and the connecting cylinder 31 to rotate through the installation rod 342, so as to complete the mold clamping. After the gear ring 321 is worn, the gear ring 321 can be directly replaced, which improves the convenience of replacing the gear ring 321.

[0041] The implementation principle of a mold clamping device for an underwater pelletizer in an embodiment of the present application is as follows: During mold clamping, the first locking assembly 3 is moved towards the second locking assembly 4, so that the male lock catch 41 enters the placement groove 331 from the placement opening 332, and the end of the water chamber 2 is in sealing contact with the inner wall of the placement groove 331. Then, the driving motor 322 drives the connecting cylinder 31 to rotate through the gear ring 321, so that the inner wall of the placement groove 331 blocks the male lock catch 41, thereby completing the mold clamping and improving the mold clamping efficiency. When installing the gear ring 321, the installation rod 342 is inserted into the installation hole 3211 on the gear ring 321. Then, the end of the installation rod 342 slides inside the guiding groove 3412, and the inner ring of the gear ring 321 is placed inside the installation groove 341 through the installation rod 342. Then, the positioning block 3411 is slid into the positioning groove 311, and the blocking plate 35 is installed at the end of the connecting cylinder 31, so that the blocking block 351 is in contact with the positioning block 3411, thereby completing the installation of the gear ring 321. When the gear ring 321 rotates, the gear ring 321 drives the installation groove 341 and the connecting cylinder 31 to rotate through the installation rod 342, so as to complete the mold clamping.

[0042] The above are all the preferred embodiments of the present application. The protection scope of the present application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A clamping device for an underwater pelletizer, characterized in that: The clamping device comprises Connecting seat (1); Water chamber (2); A first locking assembly (3) comprises a connecting tube (31) sealingly and rotatably sleeved on the outer peripheral surface of the connecting seat (1), a rotating driving portion (32) for driving the connecting tube (31) to rotate, and a female locking buckle (33) mounted on the end of the connecting tube (31); A second locking assembly (4) comprising a plurality of male locking buckles (41) mounted on the outer peripheral surface of the water chamber (2); The female lock buckle (33) is arranged in an annular shape, an annular placement groove (331) is provided on the inner ring wall of the female lock buckle (33), and a plurality of placement openings (332) are provided on the inner wall of the placement groove (331) along the axial direction of the female lock buckle (33); When locking the mold, the male lock buckle (41) is placed in the placement groove (331), and the end of the water chamber (2) and the inner wall of the placement groove (331) are sealed and abutted against each other, and then the connecting cylinder (31) is rotated by the rotating drive part (32) so that the inner wall of the placement groove (331) limits the position of the male lock buckle (41).

2. The clamping device for an underwater pelletizer according to claim 1, characterized in that: The rotary drive unit (32) comprises a gear ring (321) mounted on the outer peripheral surface of the connecting tube (31) and a driving motor (322) drivingly matched with the gear ring (321); the gear ring (321) is detachably connected to the connecting tube (31) via a mounting member (34).

3. The clamping device for an underwater pelletizer according to claim 2, characterized in that: The mounting member (34) comprises a mounting groove (341) detachably mounted on the outer peripheral surface of the connecting tube (31) and a mounting rod (342) mounted on the groove wall of the mounting groove (341); a mounting hole (3211) is provided on the gear ring (321); the gear ring (321) is placed on the inner wall of the mounting groove (341), and the mounting rod (342) and the mounting hole (3211) are plug-fitted.

4. The clamping device for an underwater pelletizer according to claim 3, characterized in that: A guide groove (3412) is provided on the inner wall of the installation groove (341), and the end of the installation rod (342) is slidably matched with the guide groove (3412).

5. The clamping device for an underwater pelletizer according to claim 3, characterized in that: A T-shaped positioning block (3411) is installed on one side of the installation groove (341) close to the connecting tube (31), and a T-shaped positioning groove (311) is provided on the outer peripheral surface of the connecting tube (31), and the positioning block (3411) and the positioning groove (311) are plug-fitted.

6. The clamping device for an underwater pelletizer according to claim 5, characterized in that: A blocking plate (35) is installed at the end of the connecting tube (31), and a blocking block (351) is installed on the blocking plate (35), and the blocking block (351) is in abutment with the positioning block (3411).

7. The clamping device for an underwater pelletizer according to claim 3, characterized in that: The spacing between the inner walls of the installation groove (341) gradually increases in a direction from approaching the connecting tube (31) to moving away from the connecting tube (31).

8. The clamping device for an underwater pelletizer according to claim 3, characterized in that: The mounting hole (3211) is a round hole, and the mounting rod (342) is a round rod.

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