阅读说明：本技术 一种用于塑料粒子定型的冷却装置 (Cooling device for shaping plastic particles ) 是由 夏克李 于 2021-08-20 设计创作，主要内容包括：本发明涉及一种冷却装置,尤其涉及一种用于塑料粒子定型的冷却装置。要解决的技术问题是：提供一种能够自动将塑料粒子拨匀的用于塑料粒子定型的冷却装置。本发明提供了这样一种用于塑料粒子定型的冷却装置,包括有壳体和转板,转板转动式安装在壳体内侧；减速电机,减速电机安装在壳体一侧中部；输送组件,输送组件安装在壳体内侧下部；限位板,限位板对称安装在壳体内侧下部；吹气组件,吹气组件安装在壳体上部。当传输带转动时,能够带动驱动齿条转动,从而带动齿轮和凸盘间歇性的转动,在第一弹簧的配合下,带动分料块前后往复运动,分料块能够将传输带上的塑料粒子拨匀,使得塑料粒子能够均匀的被冷却。(The invention relates to a cooling device, in particular to a cooling device for shaping plastic particles. The technical problem to be solved is as follows: provided is a cooling device for plastic particle shaping, which can automatically uniformly stir plastic particles. The invention provides a cooling device for shaping plastic particles, which comprises a shell and a rotating plate, wherein the rotating plate is rotatably arranged on the inner side of the shell; the speed reducing motor is arranged in the middle of one side of the shell; the conveying assembly is arranged at the lower part of the inner side of the shell; the limiting plates are symmetrically arranged at the lower part of the inner side of the shell; and the blowing assembly is arranged at the upper part of the shell. When the transmission band rotated, can drive the drive rack and rotate to drive gear and protruding dish intermittent type nature rotation, under the cooperation of first spring, drive distributor back and forth reciprocating motion, the distributor can be dialled the plastic pellet on the transmission band evenly, makes the cooled that the plastic pellet can be even.)

1. A cooling device for shaping plastic particles is characterized by comprising:

the rotary plate (2) is rotatably arranged on the inner side of the shell (1);

the speed reducing motor (3), the speed reducing motor (3) is installed in the middle of one side of the shell (1);

the conveying assembly (4), the conveying assembly (4) is installed at the lower part of the inner side of the shell (1);

the limiting plates (5), the limiting plates (5) are symmetrically arranged at the lower part of the inner side of the shell (1);

the blowing assembly (6), the blowing assembly (6) is arranged on the upper part of the shell (1);

the cooling component (7), the cooling component (7) is installed on one side of the top of the shell (1).

2. A cooling device for plastic pellet sizing as claimed in claim 1, wherein the conveyor assembly (4) comprises:

the first rotating shaft (401), the first rotating shaft (401) is installed at the lower part of the inner side of the shell (1) in a symmetrical and rotating mode; the transmission wheel (402), the transmission wheel (402) is respectively arranged on the first rotating shaft (401) on one side and the output shaft of the speed reducing motor (3);

the belt (403), the belt (403) is wound between the driving wheels (402);

the driving roller (404), the driving roller (404) is installed on the first rotating shaft (401);

a transmission belt (405), the transmission belt (405) being wound between the transmission rollers (404).

3. A cooling device for plastic pellet sizing as claimed in claim 2 wherein the blow assembly (6) comprises:

the air pump (601), the air pump (601) is installed on one side of the upper part of the shell (1);

the first flow dividing rod (602), the first flow dividing rod (602) is installed on the upper side of the shell (1), and one side of the first flow dividing rod (602) is communicated with the air pump (601);

the mounting rod (603), the mounting rod (603) is slidably mounted on the upper part of the inner side of the shell (1), and the mounting rod (603) is positioned on one side of the rotating plate (2);

the air pipes (604) are uniformly arranged between the mounting rod (603) and one side of the first flow dividing rod (602) at intervals and are communicated with each other;

and the air injection assemblies (605) are uniformly installed on the other side of the installation rod (603) at intervals, and the air injection assemblies (605) are communicated with the adjacent air pipes (604).

4. A cooling device for plastic pellet sizing according to claim 3 wherein the cooling assembly (7) comprises:

the water storage tank (701), the water storage tank (701) is installed on one side of the top of the shell (1);

the second flow dividing rod (702), the second flow dividing rod (702) is installed on the middle side of the top of the shell (1), and one end of the second flow dividing rod (702) is communicated with the bottom of the water storage tank (701);

the distributing block (704), the distributing block (704) is arranged at the middle upper part of the inner side of the shell (1) in a sliding way;

the spraying assemblies (705), a plurality of spraying assemblies (705) are uniformly installed on the distributing block (704) at intervals, and the upper ends of the spraying assemblies (705) are communicated with the second flow dividing rod (702);

a first spring (706), the first spring (706) being mounted between the distributor block (704) and a side of the housing (1).

5. A cooling device for plastic particle forming as defined in claim 4, further comprising a movable member (8), wherein the movable member (8) comprises:

the driving racks (801), a plurality of driving racks (801) are uniformly installed on one side of the inner wall of the transmission belt (405) at intervals;

the second rotating shaft (802), the second rotating shaft (802) is rotatably installed at the middle lower part of one side of the shell (1);

the gear (803) is installed on one side of the second rotating shaft (802), and the gear (803) is matched with the driving rack (801);

the convex disc (804), the convex disc (804) is installed on the other side of the second rotating shaft (802);

the contact rod (805), the contact rod (805) is installed in the middle of one side of the distributing block (704), and the contact rod (805) is matched with the convex disc (804).

6. A cooling device for plastic particle forming as defined in claim 5, further comprising a swinging member (9), wherein the swinging member (9) comprises:

the cam (901), the cam (901) is installed on the first rotating shaft (401) of one side;

the guide block (902), the guide block (902) is installed on the upper part of one side of the shell (1);

the contact frame (903), the contact frame (903) is installed on the guide block (902) in a sliding mode, the contact frame (903) is connected with the shell (1) in a sliding mode, the contact frame (903) is matched with the cam (901), and the contact frame (903) is matched with the rotating plate (2);

and a second spring (904), wherein the second spring (904) is arranged between the upper part of one side of the contact frame (903) and the guide block (902).

7. A cooling device for plastic particle forming according to claim 6, further comprising an auxiliary assembly (10), wherein the auxiliary assembly (10) comprises:

the fixing rod (1001), the fixing rod (1001) is installed on one side of the top of the distributing block (704);

the first rotating rod (1002) is rotatably arranged on the upper part of one side of the shell (1), and the first rotating rod (1002) is positioned on one side of the guide block (902);

the second rotating rod (1004) is rotatably arranged at the upper part of one side of the shell (1), the second rotating rod (1004) is positioned between the first rotating rod (1002) and the guide block (902), and the second rotating rod (1004) is in sliding fit with the mounting rod (603);

the connecting rod (1003) is rotatably arranged between one side of the first rotating rod (1002) and the middle part of the second rotating rod (1004);

and a third spring (1005), wherein the third spring (1005) is installed between one side of the mounting rod (603) and the shell (1).

8. A cooling apparatus for plastic pellet forming as claimed in claim 4, further comprising a ball valve handle (703), wherein the ball valve handle (703) is rotatably installed on a top side of the second split bar (702).

Technical Field

The invention relates to a cooling device, in particular to a cooling device for shaping plastic particles.

Background

Plastics are a common material in our lives, and in the shaping and processing process of plastic particles, the plastic particles need to be cooled so as to avoid the plastic particles from being adhered together, and people generally put the plastic particles into a special cooling device for cooling.

The patent application number is CN202022559123.2 a plastic pellet cooling device, includes the base, the top fixed mounting of base has the top to be provided with open-ended cooler bin, the top of cooler bin is provided with the top cap, the top fixed mounting of top cap has the circulation air-cooler, the sealed intercommunication of output of circulation air-cooler has the cooling tube, the bottom of cooling tube runs through the top of top cap and extends to the inside of cooler bin, the sealed intercommunication of input of circulation air-cooler has heat transfer assembly, fixed mounting is in cooling channel on the bottom inner wall of cooler bin, the equal fixed mounting in one side that both sides of cooling channel and both sides inner wall of cooler bin are close to each other has a plurality of swash plates that are longitudinal arrangement, a plurality of swash plates are the setting of alternating expression, logical groove has all been seted up at the top of a plurality of swash plates, and the inside fixed mounting that leads to the groove has condenser tube, and sealed intercommunication has same communicating pipe on two adjacent condenser tubes, one end of each of the two cooling water pipes at the top, which is far away from each other, is hermetically communicated with the same cold water pumping assembly.

This plastic pellet cooling device can adopt water-cooled mode to cool off plastic pellet, but can not carry out the activity to plastic pellet and handle, leads to plastic pellet when the cooling, the phenomenon that can appear agglomerating leads to the waste of material, and cooling treatment's is also inhomogeneous moreover to influence refrigerated efficiency, to above-mentioned problem, designed one kind and can dial the even cooling device that is used for plastic pellet to stereotype with plastic pellet automatically.

Disclosure of Invention

In order to overcome the defects that the prior cooling device can not carry out movable treatment on plastic particles, the cooling treatment is uneven and the cooling efficiency is influenced, the technical problem to be solved is that: provided is a cooling device for plastic particle shaping, which can automatically uniformly stir plastic particles.

The technical scheme is as follows: a cooling device for shaping plastic particles comprises:

the rotary plate is rotatably arranged on the inner side of the shell;

the speed reducing motor is arranged in the middle of one side of the shell;

the conveying assembly is arranged at the lower part of the inner side of the shell;

the limiting plates are symmetrically arranged at the lower part of the inner side of the shell;

the air blowing assembly is arranged at the upper part of the shell;

and the cooling assembly is arranged on one side of the top of the shell.

In a preferred embodiment of the present invention, the conveying assembly comprises:

the first rotating shaft is symmetrically and rotatably arranged at the lower part of the inner side of the shell;

the driving wheel is respectively arranged on the first rotating shaft on one side and the output shaft of the speed reducing motor;

the belt is wound between the transmission wheels;

the transmission roller is arranged on the first rotating shaft;

and the transmission belt is wound between the transmission rollers.

In a preferred embodiment of the present invention, the air blowing assembly includes:

the air pump is arranged on one side of the upper part of the shell;

the first shunt rod is arranged on the upper middle side of the shell, and one side of the first shunt rod is communicated with the air pump;

the mounting rod is slidably mounted at the upper part of the inner side of the shell and is positioned at one side of the rotating plate;

the air pipes are uniformly arranged between the mounting rod and one side of the first flow dividing rod at intervals and are communicated;

and the air injection assemblies are uniformly installed on the other side of the installation rod at intervals and are communicated with the adjacent air pipes.

In a preferred embodiment of the present invention, the cooling assembly comprises:

the water storage tank is arranged on one side of the top of the shell;

the second flow dividing rod is arranged on the middle side of the top of the shell, and one end of the second flow dividing rod is communicated with the bottom of the water storage tank;

the distributing block is arranged on the middle upper part of the inner side of the shell in a sliding manner;

the spraying assemblies are uniformly arranged on the distributing block at intervals, and the upper ends of the spraying assemblies are communicated with the second distributing rod;

the first spring is installed between the distributing block and one side of the shell.

In a preferred embodiment of the present invention, the mobile device further comprises a movable assembly, wherein the movable assembly comprises:

the driving racks are uniformly arranged on one side of the inner wall of the transmission belt at intervals;

the second rotating shaft is rotatably arranged at the middle lower part of one side of the shell;

the gear is arranged on one side of the second rotating shaft and is matched with the driving rack;

the convex disc is arranged on the other side of the second rotating shaft;

and the contact rod is arranged in the middle of one side of the distributing block and is matched with the convex disc.

In a preferred embodiment of the present invention, the present invention further comprises a swing assembly, the swing assembly comprises:

the cam is arranged on the first rotating shaft on one side;

the guide block is arranged on the upper part of one side of the shell;

the contact frame is arranged on the guide block in a sliding mode and is connected with the shell in a sliding mode, the contact frame is matched with the cam, and the contact frame is matched with the rotating plate;

and the second spring is arranged between the upper part of one side of the contact frame and the guide block.

In a preferred embodiment of the present invention, the present invention further comprises an auxiliary assembly, the auxiliary assembly comprising:

the fixed rod is arranged on one side of the top of the distributing block;

the first rotating rod is rotatably arranged on the upper part of one side of the shell and is positioned on one side of the guide block;

the second rotating rod is rotatably arranged on the upper part of one side of the shell and is positioned between the first rotating rod and the guide block, and the second rotating rod is in sliding fit with the mounting rod;

the connecting rod is rotatably arranged between one side of the first rotating rod and the middle part of the second rotating rod;

and the third spring is arranged between one side of the mounting rod and the shell.

In a preferred embodiment of the present invention, a ball valve handle is further included, and the ball valve handle is rotatably installed at one side of the top of the second flow dividing rod.

Compared with the prior art, the invention has the following advantages: 1. according to the plastic particle cooling device, the speed reduction motor is used as a driving force to drive the transmission belt to rotate, then the air pump is used as a driving force to enable the air injection assembly to blow air upwards to blow away plastic particles, so that the plastic particles can uniformly roll down onto the transmission belt, the transmission belt can drive the plastic particles to transmit to the right, the spraying assembly can spray water onto the plastic particles to complete cooling operation, and the plastic particle cooling device is simple and convenient.

2. When the transmission band rotated, can drive the drive rack and rotate to drive gear and protruding dish intermittent type nature rotation, under the cooperation of first spring, drive distributor back and forth reciprocating motion, the distributor can be dialled the plastic pellet on the transmission band evenly, makes the cooled that the plastic pellet can be even.

3. When the left first rotating shaft rotates, the cam can be driven to rotate, and under the cooperation of the second spring, the contact frame is driven to reciprocate up and down, so that the rotating plate is driven to reciprocate up and down, the plastic particles are assisted to be fed, and the plastic particles are prevented from being agglomerated.

Drawings

Fig. 1 is a schematic perspective view of a first angle according to the present invention.

Fig. 2 is a schematic perspective view of a second angle according to the present invention.

Fig. 3 is a perspective view of a third angle according to the present invention.

Fig. 4 is a schematic perspective view of a first embodiment of the conveying assembly of the present invention.

Fig. 5 is a schematic perspective view of a second embodiment of the conveying assembly of the present invention.

FIG. 6 is a schematic perspective view of a first embodiment of the air blowing assembly of the present invention.

FIG. 7 is a schematic view of a second perspective structure of the air blowing assembly of the present invention.

FIG. 8 is a schematic view of a third perspective structure of the air-blowing assembly of the present invention.

Fig. 9 is a schematic perspective view of a first cooling module according to the present invention.

Fig. 10 is a schematic perspective view of a second cooling module according to the present invention.

Fig. 11 is a perspective view of the movable assembly of the present invention.

Fig. 12 is a schematic perspective view of a portion of the movable assembly of the present invention.

Fig. 13 is an enlarged view of portion a of the present invention.

Fig. 14 is a partial structural schematic diagram of the present invention.

Fig. 15 is a schematic perspective view of the swing assembly of the present invention.

Fig. 16 is a perspective view of the auxiliary assembly of the present invention.

The parts are labeled as follows: 1. the device comprises a shell, 2, a rotating plate, 3, a speed reducing motor, 4, a conveying assembly, 401, a first rotating shaft, 402, a driving wheel, 403, a belt, 404, a driving roller, 405, a conveying belt, 5, a limiting plate, 6, a blowing assembly, 601, an air pump, 602, a first diversion rod, 603, a mounting rod, 604, an air pipe, 605, an air spraying assembly, 7, a cooling assembly, 701, a water storage tank, 702, a second diversion rod, 703, a ball valve rotating handle, 704, a distributing block, 705, a spraying assembly, 706, a first spring, 8, a movable assembly, 801, a driving rack, 802, a second rotating shaft, 803, a gear, 804, a convex disc, 805, a contact rod, 9, a swinging assembly, 901, a cam, 902, a guide block, 903, a contact frame, 904, a second spring, 10, an auxiliary assembly, 1001, a fixed rod, 1002, a first rotating rod, 1003, a connecting rod, 1004, a second rotating rod, 1005 and a third spring.

Detailed Description

It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.

Example 1

A cooling device for plastic particle sizing is shown in figures 1-10 and comprises a shell 1, a rotating plate 2, a speed reducing motor 3, a conveying assembly 4, a limiting plate 5, an air blowing assembly 6 and a cooling assembly 7, wherein the rotating plate 2 is rotatably arranged on the upper left of the inner side of the shell 1, the speed reducing motor 3 is arranged in the front middle of the left side of the shell 1, the conveying assembly 4 is arranged on the lower portion of the inner side of the shell 1, the limiting plate 5 is symmetrically arranged on the front and back of the lower portion of the inner side of the shell 1, the air blowing assembly 6 is arranged on the upper left of the shell 1, and the cooling assembly 7 is arranged on the right of the top of the shell 1.

The conveying assembly 4 comprises a first rotating shaft 401, a driving wheel 402, a belt 403, a driving roller 404 and a conveying belt 405, the first rotating shaft 401 is rotatably arranged at the lower part of the inner side of the casing 1 in a bilateral symmetry mode, the driving wheel 402 is arranged on the front side of the first rotating shaft 401 at the left side and on the output shaft of the speed reducing motor 3, the belt 403 is wound between the driving wheels 402, the driving roller 404 is arranged on the first rotating shaft 401, and the conveying belt 405 is wound between the driving rollers 404.

The blowing assembly 6 comprises an air pump 601, a first flow dividing rod 602, a mounting rod 603, air pipes 604 and an air injection assembly 605, the air pump 601 is arranged on the left front side of the upper part of the shell 1, the first flow dividing rod 602 is arranged on the left middle side of the upper part of the shell 1, the left front side of the first flow dividing rod 602 is communicated with the air pump 601, the mounting rod 603 is arranged on the left upper part of the inner side of the shell 1 in a sliding manner, the mounting rod 603 is positioned on the right lower side of the rotating plate 2, a plurality of air pipes 604 are uniformly arranged between the right side of the mounting rod 603 and the right side of the first flow dividing rod 602 at intervals, a plurality of air injection assemblies 605 are uniformly arranged on the left side of the mounting rod 603 at intervals, and the air injection assemblies 605 are all communicated with the adjacent air pipes 604.

The cooling assembly 7 comprises a water storage tank 701, a second flow dividing rod 702, a ball valve rotating handle 703, a material distributing block 704, a spraying assembly 705 and a first spring 706, the water storage tank 701 is arranged on the right side of the top of the shell 1, the second flow dividing rod 702 is arranged on the middle inner side of the top of the shell 1, the right end of the second flow dividing rod 702 is communicated with the bottom of the water storage tank 701, the ball valve rotating handle 703 is rotatably arranged on the right side of the top of the second flow dividing rod 702, the material distributing block 704 is slidably arranged on the middle upper portion of the inner side of the shell 1, a plurality of spraying assemblies 705 are uniformly arranged on the material distributing block 704 at intervals, the upper ends of the spraying assemblies 705 are communicated with the second flow dividing rod 702, and two first springs 706 are arranged between the front side of the material distributing block 704 and the front side of the shell 1.

When people need to use the device, firstly, water is added into a water storage tank 701, then a speed reducing motor 3 and an air pump 601 are started, an output shaft of the speed reducing motor 3 drives a left first rotating shaft 401 to rotate through a belt 403 and a driving wheel 402, so as to drive a left driving roller 404 to rotate, further drive a transmission belt 405, the right first rotating shaft 401 and a right driving roller 404 to rotate, the air pump 601 can transmit air to an air injection assembly 605 through a first flow dividing rod 602 and an air pipe 604, so that the air injection assembly 605 injects air upwards, then plastic particles are manually poured onto a rotating plate 2, so that the plastic particles roll to the right and fall onto the transmission belt 405, the air injection assembly 605 can continuously blow up part of the plastic particles, the plastic particles are prevented from being accumulated on the transmission belt 405, the transmission belt 405 can transmit the plastic particles to the right, then a rotating handle 703 is rotated, so that the water in the water storage tank 701 can be sprayed downwards through a second flow dividing rod 702 and a spraying assembly 705, the distributor block 704 is pulled forward, the first spring 706 stretches, the spraying assembly 705 is driven to move forward, then the distributing block 704 is released, the first spring 706 returns to the original state, and drives the distributing block 704 and the spraying assembly 705 to move backwards and return, so that the distributing block 704 and the spraying assembly 705 reciprocate back and forth, when the plastic particles on the transmission belt 405 contact with the distributing block 704, the distributing block 704 can uniformly distribute the plastic particles, the limiting plate 5 can prevent the plastic particles from falling to the bottom in the shell 1, the spraying assembly 705 can spray water on the plastic particles, so that the plastic particles are cooled and molded, then the plastic particles after cooling and forming are manually collected at the right side of the conveying belt 405, the device is operated repeatedly, after all the plastic particles are cooled and formed, the speed reducing motor 3 and the air pump 601 are turned off, and the ball valve rotating handle 703 is reversed, so that the spraying assembly 705 does not spray water any more.

Example 2

Based on embodiment 1, as shown in fig. 11 to 16, the apparatus further includes a movable assembly 8, the movable assembly 8 includes a driving rack 801, a second rotating shaft 802, a gear 803, a convex disc 804 and a contact bar 805, the front side of the inner wall of the transmission belt 405 is uniformly provided with a plurality of driving racks 801 at intervals, the middle lower portion of the front side of the housing 1 is rotatably provided with the second rotating shaft 802, the rear side of the second rotating shaft 802 is provided with the gear 803, the gear 803 is engaged with the driving racks 801, the front side of the second rotating shaft 802 is provided with the convex disc 804, the middle portion of the front side of the distributing block 704 is provided with the contact bar 805, and the contact bar 805 is engaged with the convex disc 804.

When the transmission belt 405 rotates, the driving rack 801 can be driven to rotate, when the driving rack 801 is meshed with the gear 803, the gear 803 is driven to rotate clockwise, so that the second rotating shaft 802 and the convex disc 804 are driven to rotate clockwise, when the convex disc 804 is contacted with the contact rod 805, the contact rod 805 is driven to move forward, so that the distributing block 704 and the spraying assembly 705 are driven to move forward, the first spring 706 is stretched, when the convex disc 804 is separated from the contact rod 805, the first spring 706 is restored to the original state, the distributing block 704, the spraying assembly 705 and the contact rod 805 are driven to move backward and reset, when the driving rack 801 is separated from the gear 803, the second rotating shaft 802 and the convex disc 804 stop rotating, and the reciprocating is performed, so that the distributing block 704 can be pulled back and forth in place of manual work.

The swing assembly 9 comprises a cam 901, a guide block 902, a contact frame 903 and a second spring 904, the cam 901 is arranged on the rear side of the left first rotating shaft 401, the guide block 902 is arranged on the upper left portion of the rear side of the shell 1, the contact frame 903 is arranged on the guide block 902 in a sliding mode, the contact frame 903 is connected with the shell 1 in a sliding mode, the contact frame 903 is matched with the cam 901, the contact frame 903 is matched with the rotating plate 2, and the second spring 904 is arranged between the upper portion of the rear side of the contact frame 903 and the guide block 902.

When left first pivot 401 rotates, drive cam 901 and rotate, when the bellied one side of cam 901 contacts with contact holder 903, drive contact holder 903 up-movement, second spring 904 is tensile, contact holder 903 can push up and move commentaries on classics board 2 up-rotation, when the bellied one side of cam 901 separates with contact holder 903, second spring 904 reconversion, it resets to drive contact holder 903 down-movement, contact holder 903 and commentaries on classics board 2 separation, under the effect of gravity, commentaries on classics board 2 down rotates and resets, so reciprocal, can drive commentaries on classics board 2 up-and-down reciprocating rotation, thereby supplementary plastic pellet's material loading.

Still including auxiliary assembly 10, auxiliary assembly 10 is including dead lever 1001, first bull stick 1002, connecting rod 1003, second bull stick 1004 and third spring 1005, left side is equipped with dead lever 1001 behind distributor block 704 top, casing 1 rear side upper left portion rotary type is equipped with first bull stick 1002, first bull stick 1002 is located the guide block 902 right side, casing 1 rear side upper left portion rotary type is equipped with second bull stick 1004, second bull stick 1004 is located between first bull stick 1002 and the guide block 902, second bull stick 1004 and installation pole 603 sliding fit, rotary type is equipped with connecting rod 1003 between first bull stick 1002 rear side and the second bull stick 1004 middle part, be equipped with third spring 1005 between installation pole 603 right rear side and the casing 1.

When the distributing block 704 reciprocates back and forth, the fixing rod 1001 can be driven to reciprocate back and forth, when the fixing rod 1001 is in contact with the first rotating rod 1002, the first rotating rod 1002 is extruded to rotate left, the first rotating rod 1002 drives the second rotating rod 1004 to rotate left through the connecting rod 1003, the second rotating rod 1004 drives the mounting rod 603 to move forward, the third spring 1005 is stretched, the air injection assembly 605 is driven to move forward, when the fixing rod 1001 is separated from the first rotating rod 1002, the third spring 1005 recovers the original state, the mounting rod 603 and the air injection assembly 605 are driven to move backward and reset, the mounting rod 603 drives the second rotating rod 1004 to rotate right and reset, the second rotating rod 1004 drives the first rotating rod 1002 to rotate right and reset through the connecting rod 1003, so that the air injection assembly 605 can be driven to reciprocate back and forth, the plastic particles can be uniformly injected, and the purpose of uniform feeding is achieved.

The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.