CN112476830B - Rubber particle forming process and rubber particles - Google Patents

Abstract

The present invention relates to the field of rubber processing, and more specifically relates to a rubber particle forming process and rubber particles, which have the advantage of being able to rapidly form rubber particles. A rubber particle forming process includes the following steps: S1: first, forming the rubber The raw materials are placed in the mixing container and fully mixed in the mixing container; S2: secondly, the mixed raw materials are added under pressure into the rubber particle forming assembly to form long strips of material; S3: finally, the long strips of material are exported , cutting and collecting to realize the molding of rubber particles; the rubber particles are composed of the following raw materials by weight: 15 parts of ethylene-propylene rubber; 40 parts of calcium carbonate; 6 parts of cross-linking agent; 8 parts of peroxide curing agent; paraffin oil 15 parts; 6 parts pigment; 5 parts lemon essence.

Description

A kind of rubber particle forming process and rubber particle

technical field

The invention relates to the field of rubber processing, in particular to a rubber particle forming process and rubber particles.

Background technique

The invention with the publication number CN201710976030.X discloses a rubber particle and a preparation method thereof, which is composed of several rubber particles. The region contains silicon carbide; each rubber particle consists of a rubber particle A and a rubber particle B, the hardness of the rubber particle A is less than that of the rubber particle B; the average particle size of the rubber particle B is at least three times larger than the average particle size of the rubber particle A; the rubber The average particle size of particles B is 300 microns, and the average particle size of rubber particles A is 30 microns; both rubber particles A and rubber particles B are made of the following raw materials by weight: ethylene propylene rubber 28; calcium carbonate 80; crosslinking agent 8 ; Peroxide vulcanizing agent 8; Paraffin oil 28; Pigment 3. The preparation method of the invention is simple, the prepared rubber particles have high resistance to natural aging, the products are non-corrosive and have good physical properties. The disadvantage of this invention is that the rubber particles cannot be rapidly formed.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a rubber particle forming process and rubber particles, which have the advantage of being able to rapidly form rubber particles.

The object of the present invention is achieved through the following technical solutions:

A rubber particle forming process, comprising the following steps:

Step 1: First, place the rubber molding raw materials in a mixing container and mix them thoroughly in the mixing container;

Step 2: secondly, the mixed raw materials are added under pressure into the rubber particle forming assembly to form long strips of material;

Step 3: Finally, export, cut and collect the long strip material to realize the molding of rubber particles;

The above-mentioned rubber particle forming process also relates to a rubber particle forming device;

The rubber particle forming device includes a fixed forming component, a diversion injection component, a dynamic forming component, a plunger component, a driving component, a discharging component, a cutting component and a mixing component, and is characterized in that: the diversion injection component It is fixedly connected to the fixed forming component, the dynamic forming component is rotatably connected to the fixed forming component, the plunger component is slidably connected to the diversion injection component, the driving component is fixedly connected to the diversion injection component, and the driving component and the plunger component engage and drive , The driving component and the dynamic forming component are driven by the belt, the discharging component and the cutting component are fixedly connected to the fixed forming component, the discharging component and the cutting component are meshed and driven, the driving component and the discharging component are driven by a belt, and the mixing component is detachably connected by bolts on the diversion injection assembly.

The shaping component includes a fixed bracket, a shaping frame, a shaping slot, a lead-out frame and a lead-out pipe, the shaping frame is fixedly connected to the fixed bracket, a plurality of shaping slots are evenly distributed on the shaping frame, and the exporting frame is fixedly connected At the right end of the shaping frame, a plurality of outlet pipes are evenly distributed on the outlet frame, and the plurality of outlet tubes are in one-to-one correspondence with the plurality of shaping grooves.

The diversion injection assembly includes a diversion bracket, a diversion frame, a guide frame, a plunger hole, a mixing tank, an output pump and an addition pipe. The diversion bracket is fixedly connected to the fixed bracket, and the diversion frame is fixedly connected to the diversion bracket. On the front and rear sides of the guide frame are fixedly connected with guide frames, a plurality of plunger holes are evenly distributed in the guide frame, the mixing tank is fixedly connected to the guide bracket, and the mixing tank is fixedly connected with an addition pipe, and the addition pipe An output pump is arranged on the upper part, and a plurality of plunger holes correspond to a plurality of shaping grooves one-to-one respectively.

The dynamic forming assembly includes a forming runner, a forming output wheel, a forming input wheel, an input toothed belt and an output toothed belt, the forming runner is rotatably connected to the fixed bracket, and the forming runner is provided with a forming output wheel and a forming input The forming runner is provided with a plurality of rotating forming grooves, and the plurality of rotating forming grooves are respectively in one-to-one correspondence with the plurality of fixed forming grooves.

The plunger assembly includes a plunger connecting plate, a plunger guide rod, a return spring, a plunger rod and a plunger rack, and two plunger guide rods are fixedly connected on the plunger connecting plate, and the two plunger guide rods are respectively The two guide frames are slidably connected, and a return spring is arranged between the two guide frames and the plunger connecting plate. A plurality of plunger rods are fixedly connected to the plunger connecting plate, and a column is fixedly connected to the front end of the plunger connecting plate. Plug the rack.

The drive assembly includes a motor, a driving gear with missing teeth and a driving full-tooth gear. The motor is fixedly connected to the guide frame, and the output shaft of the motor is fixedly connected with a driving gear with missing teeth and a driving full-tooth gear, and a driving gear with missing teeth and a column. The plug and rack are meshed for transmission, and the forming input wheel and the driving full-tooth gear are driven by the input toothed belt.

The discharging assembly includes a discharging runner frame, a discharging runner, a discharging input wheel and a discharging output wheel. The two discharging runner frames are fixedly connected to the setting frame, and the discharging runner is rotatably connected to On the discharge runner frame, the discharge input wheel is fixedly connected to the discharge runner, and the discharge input wheel and the forming output wheel are driven by the output toothed belt.

The cutting assembly includes a cutting guide frame, a cutting knife, a cutting spring and a cutting rack. The cutting guide frame is fixedly connected to the shaping frame, the cutting knife is slidably connected to the cutting guide frame, and the cutting guide frame is Two cutting springs are arranged between the cutting blade and the upper end of the cutting blade. The front and rear sides of the cutting blade are fixedly connected with cutting racks, and the two cutting racks are respectively engaged with the two discharge output wheels for transmission.

The mixing assembly includes a cover, a heating furnace, a communication pipe, a mixing rack, a mixing motor and a mixing impeller, the cover is detachably connected to the mixing barrel through bolts, a heating furnace is arranged on the cover, a communication pipe is arranged on the heating furnace, and the mixing rack is It is fixedly connected to the cover, the mixing motor is fixedly connected to the mixing frame, the mixing impeller is fixedly connected to the output shaft of the mixing motor, and the mixing impeller is rotatably connected to the communication pipe.

The rubber particles made by adopting the above-mentioned rubber particle molding process, the rubber particles are composed of the following raw materials by weight: 15 parts of ethylene-propylene rubber; 40 parts of calcium carbonate; 6 parts of cross-linking agent; 8 parts of peroxide vulcanizing agent parts; 15 parts of paraffin oil; 6 parts of pigment; 5 parts of lemon essence.

The rubber particle forming process and the beneficial effects of the rubber particles of the present invention are as follows: the rubber particle forming process and the rubber particles of the present invention melt and mix the rubber forming raw materials through the mixing component to provide the raw materials for the forming of the rubber particles, and can also Through the engagement of the driving component to drive the plunger component to rise and fall, the raw material injected into the component is pressurized and added between the fixed molding component and the dynamic molding component for molding, and then the driving component drives the dynamic molding component to rotate to realize the automatic discharge of the molding rubber. It provides space for the continuous molding of raw materials, and then drives the discharge component to rotate through the dynamic forming component to realize the discharge component drives the formed rubber to discharge, and then drives the cutting component through the meshing of the discharge component to realize the cutting component. The rubber particles are obtained by cutting, and the rapid prototyping of the rubber particles is realized.

Description of drawings

The present invention will be described in further detail below with reference to the accompanying drawings and specific implementation methods.

In the description of the present invention, it should be noted that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "top", "bottom", "inside", "outside" and "vertical" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and It is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection , or the integral connection can be a direct connection, an indirect connection through an intermediate medium, or an internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In addition, in the description of the present invention, unless otherwise specified, "plurality", "multiple groups" and "plurality" mean two or more.

Fig. 1 is the overall structure schematic diagram of a kind of rubber particle molding process of the present invention;

Fig. 2 is the structural schematic diagram of the shaping component of the present invention;

3 is a schematic structural diagram of the diversion injection assembly of the present invention;

4 is a schematic structural diagram of the dynamic forming assembly of the present invention;

Fig. 5 is the structural representation of the plunger assembly of the present invention;

Fig. 6 is the structural representation of the drive assembly of the present invention;

Fig. 7 is the structural representation of the discharging assembly of the present invention;

8 is a schematic structural diagram of the cutting assembly of the present invention;

FIG. 9 is a schematic view of the structure of the mixing assembly of the present invention.

In the figure: fixed forming component 1; fixed support 101; fixed forming frame 102; fixed forming groove 103; lead-out shelf 104; lead-out pipe 105; guide injection assembly 2; guide support 201; guide frame 202; guide frame 203; Plunger hole 204; mixing barrel 205; output pump 206; adding pipe 207; dynamic forming assembly 3; forming wheel 301; forming output wheel 302; forming input wheel 303; input toothed belt 304; output toothed belt 305; column Plunger assembly 4; plunger connecting plate 401; plunger guide rod 402; return spring 403; plunger rod 404; plunger rack 405; drive assembly 5; motor 501; Discharge assembly 6; Discharge roller frame 601; Discharge roller 602; Discharge input wheel 603; Discharge output wheel 604; Cutting assembly 7; Cutting guide frame 701; Cutting knife 702; Cutting spring 703 ; Cutting rack 704; Mixing assembly 8; Cover 801; Heating furnace 802;

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings.

Specific implementation one:

The present embodiment will be described below with reference to FIGS. 1-9, a rubber particle molding process, including the following steps: Step 1: First, the rubber molding raw materials are placed in a mixing container and fully mixed in the mixing container;

Step 2: secondly, the mixed raw materials are added under pressure into the rubber particle forming assembly to form long strips of material;

Step 3: Finally, export, cut and collect the long strip material to realize the molding of rubber particles;

The above-mentioned rubber particle forming process also relates to a rubber particle forming device;

The rubber particle forming device includes a fixed forming component 1, a diversion injection component 2, a dynamic forming component 3, a plunger component 4, a driving component 5, a discharging component 6, a cutting component 7 and a mixing component 8. It is as follows: the diversion injection assembly 2 is fixedly connected to the fixed forming assembly 1, the dynamic forming assembly 3 is rotatably connected to the fixed forming assembly 1, the plunger assembly 4 is slidably connected to the diversion injection assembly 2, and the driving assembly 5 is fixedly connected On the diversion injection assembly 2, the drive assembly 5 and the plunger assembly 4 engage and drive, the drive assembly 5 and the dynamic forming assembly 3 are driven by belts, and the discharging assembly 6 and the cutting assembly 7 are fixedly connected to the fixed forming assembly 1. The assembly 6 and the cutting assembly 7 are engaged for transmission, the driving assembly 5 and the discharging assembly 6 are belt-driven, and the mixing assembly 8 is detachably connected to the diversion and injection assembly 2 through bolts.

The rubber molding raw materials are melted and mixed by the mixing component 8 to provide raw materials for the molding of rubber particles, and the driving component 5 can also engage the driving plunger component 4 to lift and lower, so as to realize the pressurized addition of the raw materials injected into the component 2 to the fixed position. Forming is performed between the forming component 1 and the dynamic forming component 3, and then the dynamic forming component 3 is driven to rotate by the driving component 5 to realize the automatic discharging of the forming rubber and provide space for the continuous forming of the raw materials, and then the dynamic forming component 3 drives the discharging component. 6. Rotation realizes that the discharging component 6 drives the formed rubber to discharge, and then the discharging component 6 engages and drives the cutting component 7 to realize that the cutting component 7 cuts the molded rubber to obtain rubber particles, and realizes the rapid prototyping of rubber particles.

Specific implementation two:

The present embodiment will be described below with reference to FIGS. 1-9 . The shaping assembly 1 includes a fixing bracket 101 , a shaping frame 102 , a shaping slot 103 , a lead-out frame 104 and a lead-out pipe 105 , and the shaping frame 102 is fixedly connected to the fixed bracket 101 . Above, the setting frame 102 is evenly distributed with a plurality of setting grooves 103, the exporting frame 104 is fixedly connected to the right end of the setting frame 102, and the exporting frame 104 is evenly distributed with a plurality of exporting pipes 105, a plurality of exporting pipes 105 and a plurality of The shaping grooves 103 are in one-to-one correspondence, the shaping frame 102 is made of wear-resistant material, and the multiple shaping grooves 103 are polished to achieve the effect that the rubber is not easily adhered, and prevent the rubber from sticking in the shaping grooves 103 during molding. It is not possible to continuously realize the molding of rubber.

Specific implementation three:

The present embodiment will be described below with reference to FIGS. 1-9 . The diversion injection assembly 2 includes a diversion bracket 201 , a diversion frame 202 , a guide frame 203 , a plunger hole 204 , a mixing tank 205 , an output pump 206 and an addition pipe 207 , The guide frame 201 is fixedly connected to the fixed frame 101 , the guide frame 202 is fixedly connected to the guide frame 201 , the guide frames 203 are fixedly connected to the front and rear sides of the guide frame 202 , and the guide frame 202 is evenly distributed with multiple guide frames 203 . There are plunger holes 204, the mixing barrel 205 is fixedly connected to the guide bracket 201, the mixing barrel 205 is fixedly connected with an addition pipe 207, and the addition pipe 207 is provided with an output pump 206, the plurality of plunger holes 204 are respectively connected to a plurality of fixed The forming grooves 103 correspond to each other one by one.

Specific implementation four:

The present embodiment will be described below with reference to FIGS. 1-9. The dynamic forming assembly 3 includes a forming runner 301, a forming output wheel 302, a forming input wheel 303, an input toothed belt 304 and an output toothed belt 305. The forming runner 301 rotates Connected to the fixed bracket 101, the forming runner 301 is provided with a forming output wheel 302 and a forming input wheel 303, the forming runner 301 is provided with a plurality of rotating forming grooves, and the plurality of rotating forming grooves are respectively connected with a plurality of forming grooves 103. One-to-one correspondence, the surface of the forming runner 301 is rougher than the surface of the fixed forming frame 102, so that the forming runner 301 can drive the formed rubber to rotate, and the formed rubber can be continuously transported, so that the rubber can be continuously formed.

Specific implementation five:

The present embodiment will be described below with reference to FIGS. 1-9 . The plunger assembly 4 includes a plunger connecting plate 401 , a plunger guide rod 402 , a return spring 403 , a plunger rod 404 and a plunger rack 405 , and the plunger connecting plate 401 Two plunger guide rods 402 are fixedly connected to the top, and the two plunger guide rods 402 are slidably connected to the two guide frames 203 respectively. A return spring 403 is provided between the two guide frames 203 and the plunger connecting plate 401. A plurality of plunger rods 404 are fixedly connected to the plunger connecting plate 401 , and a plunger rack 405 is fixedly connected to the front end of the plunger connecting plate 401 .

Specific implementation six:

The present embodiment will be described below with reference to FIGS. 1-9 . The driving assembly 5 includes a motor 501 , a driving gear with missing teeth 502 and a driving full-tooth gear 503 . The motor 501 is fixedly connected to the guide frame 202 , and the output shaft of the motor 501 is fixed on the output shaft. A driving toothless gear 502 and a driving full tooth gear 503 are connected, the driving tooth missing gear 502 and the plunger rack 405 are engaged for transmission, and the forming input wheel 303 and the driving full tooth gear 503 are transmitted through the input toothed belt 304 .

Specific implementation seven:

The present embodiment will be described below with reference to Figs. 1-9. The discharge assembly 6 includes a discharge runner 601, a discharge runner 602, a discharge input wheel 603, and a discharge output wheel 604. Two discharge runners 601 are fixedly connected to the setting frame 102, the discharge runner 602 is rotatably connected to the discharge runner frame 601, the discharge input wheel 603 is fixedly connected to the discharge runner 602, the discharge input wheel 603 and the forming output The wheel 302 is driven by an output toothed belt 305 .

Eighth specific implementation:

1-9, the cutting assembly 7 includes a cutting guide frame 701, a cutting knife 702, a cutting spring 703 and a cutting rack 704, and the cutting guide frame 701 is fixedly connected to the setting frame 102. Above, the cutting blade 702 is slidably connected to the cutting guide frame 701, two cutting springs 703 are arranged between the cutting guide frame 701 and the upper end of the cutting blade 702, and the front and rear sides of the cutting blade 702 are fixedly connected with The cutting racks 704, the two cutting racks 704 mesh with the two discharging output wheels 604 respectively for transmission.

Specific implementation nine:

1-9, the mixing assembly 8 includes a cover 801, a heating furnace 802, a communication pipe 803, a mixing frame 804, a mixing motor 805 and a mixing impeller 806, and the cover 801 is detachably connected to the mixing barrel through bolts 205, a heating furnace 802 is arranged on the cover 801, a communication pipe 803 is arranged on the heating furnace 802, the mixing frame 804 is fixedly connected to the cover 801, the mixing motor 805 is fixedly connected to the mixing frame 804, and the mixing impeller 806 is fixedly connected to the mixer. The output shaft of the motor 805 and the mixing impeller 806 are rotatably connected to the communicating pipe 803 .

Specific implementation ten:

The present embodiment will be described below with reference to Figures 1-9, and the rubber particles made by the above-mentioned rubber particle molding process are made up of the following raw materials by weight: 15 parts of ethylene-propylene rubber; 40 parts of calcium carbonate; 6 parts of joint agent; 8 parts of peroxide curing agent; 15 parts of paraffin oil; 6 parts of pigment; 5 parts of lemon essence.

The present invention is a rubber granule molding process, and its use principle is as follows: the cover 801 is provided with a feeding hole, the raw materials are added into the mixing barrel 205 through the feeding hole on the cover 801, the heating furnace 802 is started, and the heating furnace 802 is heated. The high-temperature gas flows into the communication pipe 803, and then flows into the mixing impeller 806 for heating, and starts the mixing motor 805. The mixing motor 805 drives the mixing impeller 806 to rotate, and the mixing impeller 806 drives the raw material to rotate. At the same time, the high-temperature mixing impeller 806 heats the raw material , so that the raw material is melted, and the output pump 206 is started, and the output pump 206 pumps the melted raw material in the mixing barrel 205 into the addition pipe 207, and the raw material flows into the plurality of setting grooves 103 through the plurality of plunger holes 204, and starts The motor 501 drives the missing tooth gear 502 to rotate, the driving tooth missing gear 502 meshes with the driving plunger rack 405 to slide, the plunger rack 405 drives the plunger connecting plate 401 to descend, and the plunger connecting plate 401 drives a plurality of plungers The rod 404 is lowered to pressurize the raw material into the plurality of shaping grooves 103 and the forming grooves of the forming wheel 301. The plunger connecting plate 401 drives the two return springs 403 to stretch. When driving the toothless gear 502 and the plunger rack When the 405 loses its engagement, the two stretched return springs 403 drive the plunger connecting plate 401 to rise, realizing the reset of the plurality of plunger rods 404, and the reciprocating motion of the plunger rods 404 realizes continuous pressurization of the melted raw materials. Injected into the plurality of plunger holes 204, the full-tooth gear 503 is driven to drive the input toothed belt 304 to rotate, the input toothed belt 304 drives the molding input wheel 303 to rotate, the molding input wheel 303 drives the molding runner 301 to rotate, and the melted raw material flows Into the plurality of shaping grooves 103 and the forming grooves of the forming runner 301, a long cylindrical rubber strip is formed. The rotation of the forming runner 301 drives the formed rubber to continuously rotate and output, and the forming runner 301 drives the forming output. The wheel 302 rotates, the forming output wheel 302 drives the output toothed belt 305 to rotate, the output toothed belt 305 drives the discharge input wheel 603 to rotate, the discharge input wheel 603 drives the discharge wheel 602 to rotate, and the formed rubber passes through A plurality of export pipes 105 are led out, and a plurality of molded rubbers are placed on the lower end of the discharge runner 602 to be pressed. The discharge input wheel 603 rotates, and the two discharge input wheels 603 mesh to drive the cutting rack 704 to slide, and the sliding of the two cutting racks 704 drives the two cutting knives 702 to slide to cut the molded rubber to realize the processing of rubber particles. The lowering of the cutting knife 702 compresses the two cutting springs 703. When the two discharge input wheels 603 and the two cutting racks 704 lose engagement, the compressed two cutting springs 703 push the cutting knife 702 to reset. The reciprocating lifting and lowering of the cutting blade 702 realizes continuous cutting of the molded rubber and completes the processing of the rubber particles.

Of course, the above description does not limit the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by those of ordinary skill in the art within the essential scope of the present invention also belong to the present invention. protected range.

Claims (2)

1. A rubber particle forming process is characterized in that: the method comprises the following steps:

the method comprises the following steps: firstly, placing rubber molding raw materials in a mixing container and fully mixing in the mixing container;

step two: secondly, adding the mixed raw materials into a rubber particle forming device under pressure to form a strip-shaped material;

step three: finally, the strip-shaped material is led out, cut and collected, so that the rubber particles are formed;

the forming process of the rubber particles also relates to a rubber particle forming device;

rubber granule forming device, including deciding shaping subassembly (1), water conservancy diversion injection module (2), move shaping subassembly (3), plunger subassembly (4), drive assembly (5), ejection of compact subassembly (6), cutting means (7) and mixing assembly (8), its characterized in that: water conservancy diversion injection module (2) fixed connection is on deciding forming component (1), move forming component (3) and rotate to connect on deciding forming component (1), plunger subassembly (4) sliding connection is on water conservancy diversion injection module (2), drive assembly (5) fixed connection is on water conservancy diversion injection module (2), drive assembly (5) and plunger subassembly (4) meshing transmission, drive assembly (5) and move forming component (3) belt transmission, ejection of compact subassembly (6) and cutting assembly (7) equal fixed connection are on deciding forming component (1), ejection of compact subassembly (6) and cutting assembly (7) meshing transmission, drive assembly (5) and ejection of compact subassembly (6) belt transmission, mixing assembly (8) can dismantle the connection on water conservancy diversion injection module (2) through the bolt, decide forming component (1) including deciding support (101), decide forming frame (102), The guide injection assembly (2) comprises a guide support (201), a guide frame (202), a guide frame (203), a mixing barrel (205), an output pump (206) and an adding pipe (207), the guide support (201) is fixedly connected to the fixed support (101), the guide frame (202) is fixedly connected to the guide support (201), the guide frame (202) is fixedly connected to the fixed support (101), the guide frame (202) is internally and uniformly provided with a plurality of plunger holes (204), mixing barrel (205) fixed connection is on water conservancy diversion support (201), fixedly connected with adds pipe (207) on mixing barrel (205), add and be provided with output pump (206) on pipe (207), a plurality of plunger holes (204) respectively with a plurality of shaping groove (103) one-to-one, move shaping subassembly (3) including shaping runner (301), shaping output wheel (302), shaping input wheel (303), input tooth form area (304) and output tooth form area (305), shaping runner (301) rotates to be connected on deciding support (101), be provided with shaping output wheel (302) and shaping input wheel (303) on shaping runner (301), be provided with a plurality of rotation shaping grooves on shaping runner (301), a plurality of rotation shaping grooves respectively with a plurality of shaping groove (103) one-to-ones, plunger subassembly (4) include plunger connecting plate (401), plunger guide bar (402), The plunger connecting plate (401) is fixedly connected with two plunger guide rods (402), the two plunger guide rods (402) are respectively connected onto the two guide frames (203) in a sliding manner, the reset spring (403) is arranged between the two guide frames (203) and the plunger connecting plate (401), the plunger connecting plate (401) is fixedly connected with a plurality of plunger rods (404), the front end of the plunger connecting plate (401) is fixedly connected with a plunger rack (405), the driving assembly (5) comprises a motor (501), a driving tooth-lacking gear (502) and a driving full-tooth gear (503), the motor (501) is fixedly connected onto the flow guide frame (202), an output shaft of the motor (501) is fixedly connected with the driving tooth-lacking gear (502) and the driving full-tooth gear (503), and the driving tooth-lacking gear (502) is in meshing transmission with the plunger rack (405), the forming input wheel (303) and the driving full-tooth gear (503) are transmitted through an input toothed belt (304), the discharging component (6) comprises discharging rotating wheel frames (601), discharging rotating wheels (602), discharging input wheels (603) and discharging output wheels (604), the two discharging rotating wheel frames (601) are fixedly connected to the forming frame (102), the discharging rotating wheels (602) are rotatably connected to the discharging rotating wheel frames (601), the discharging input wheels (603) are fixedly connected to the discharging rotating wheels (602), the discharging input wheels (603) and the forming output wheels (302) are transmitted through the output toothed belt (305), the cutting component (7) comprises a cutting guide frame (701), a cutting knife (702), a cutting spring (703) and a cutting rack (704), the cutting guide frame (701) is fixedly connected to the forming frame (102), and the cutting knife (702) is slidably connected to the cutting guide frame (701), two cutting springs (703) are arranged between the upper ends of the cutting guide frame (701) and the cutting knife (702), cutting racks (704) are fixedly connected to the front side and the rear side of the cutting knife (702), and the two cutting racks (704) are respectively in meshing transmission with the two discharging output wheels (604).

2. A process for forming rubber particles as defined in claim 1, wherein: mixing unit (8) is including lid (801), heating furnace (802), communicating pipe (803), mixing frame (804), hybrid motor (805) and mixing impeller (806), lid (801) can be dismantled through the bolt and connect on mixing tub (205), be provided with heating furnace (802) on lid (801), be provided with communicating pipe (803) on heating furnace (802), mixing frame (804) fixed connection is on lid (801), hybrid motor (805) fixed connection is on mixing frame (804), mixing impeller (806) fixed connection is at the output shaft of hybrid motor (805), mixing impeller (806) rotate to be connected on communicating pipe (803).

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