Discharging and stirring device for thermoplastic elastomer

Abstract

The utility model discloses a discharging and stirring device for thermoplastic elastomers. The discharging and stirring device comprises a bottom frame, a cushion frame, a driving motor, a reduction gearbox, a screw discharging bin, an extrusion opening and a feeding structure, the feeding structure is optimally arranged above the screw discharging bin, the cross and the bearing piece are arranged in the support to guarantee the supporting effect on the power assembly, and under the action of the servo motor, the driving gear is matched with the driven gear to drive the first gear to act; under the action of a second gear, a first bevel gear is matched with a second bevel gear to drive a first rotating shaft rod to rotate, and under the action of a third gear, a third bevel gear is matched with a fourth bevel gear to drive the second rotating shaft rod to rotate, so that a first stirring blade and a second stirring blade rotate in a staggered manner; meanwhile, the materials are uniformly moved downwards and conveyed under the action of staggered rotation, so that the uniformity of material supply is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermoplastic elastomer production, in particular to a discharging and stirring device for thermoplastic elastomer. Background Art

[0002] Thermoplastic elastomer TPE / TPR, also known as artificial rubber or synthetic rubber, has the excellent properties of high elasticity, aging resistance and oil resistance of traditional cross-linked vulcanized rubber, while also having the characteristics of easy processing and wide processing methods of ordinary plastics.

[0003] At present, China's patent application number: CN202021333878.4 discloses a high-speed mixing and uniform discharging device for a thermoplastic elastomer extruder, which includes a base, and an extruder motor box and an extruder screw box are fixedly installed on the top of the base, the extruder motor is fixedly installed in the extruder motor box, the extruder screw is rotatably installed in the extruder screw box, the output end of the extruder motor is welded to the extruder screw, the discharge port of the extruder screw box is fixed and connected to a discharge pipe, and a stirring motor and a vibrating rod are fixedly installed on the left outer wall of the discharge pipe, and the stirring rod of the stirring motor and the vibrating end of the vibrating rod are both located in the discharge pipe.

[0004] However, during use, the discharging and stirring device for thermoplastic elastomers in the prior art usually feeds the material directly into the discharging device. It is inconvenient to stir and transport the material during feeding, so that part of the material is easily adhered to the side wall and affects the falling of the material, thereby affecting the uniformity of the product. Utility Model Content

[0005] The purpose of the utility model is to provide a discharging and stirring device for thermoplastic elastomer to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a discharging and stirring device for thermoplastic elastomer, comprising a base frame, a pad frame, a driving motor, a reduction box, a screw discharging bin, an extrusion port and a feeding structure, wherein the base frame is fastened with a pad frame on the left side, the driving motor is fastened with a driving motor on the top middle side of the pad frame, the right output end of the driving motor is inserted and connected to the inside of the reduction box, a screw discharging bin is arranged on the right side of the reduction box, an extrusion port is opened at the right end of the screw discharging bin, and a feeding structure is arranged on the left side of the top of the screw discharging bin, the feeding structure comprises a reinforcement frame fixed to the bottom and the screw discharging bin, a barrel cover fixedly connected to the middle side of the reinforcement frame, a bracket embedded in the middle and lower side of the barrel cover, a power component fastened to the middle side of the top of the bracket, a supporting sleeve fastened to the middle side of the top of the bracket, and a first stirring blade and a second stirring blade respectively arranged on both sides of the top of the supporting sleeve, the top side of the power component passes through the inside of the supporting sleeve, and the two sides of the top end of the power component are respectively connected to the first stirring blade and the second stirring blade.

[0007] Preferably, two staggered screws are arranged inside the screw discharge bin, and the left ends of the two screws are connected to the reduction box.

[0008] Preferably, a cross is provided inside the bracket, and a bearing sheet is provided at the internal connection of the cross, and the top side of the bearing sheet is connected to the power assembly.

[0009] Preferably, the rear end face of the power assembly is provided with a shield which plays a sealing and protective role.

[0010] Preferably, the power assembly includes a bin cover whose bottom is fixed to the bracket, a servo motor fastened to the middle and lower side of the bin cover, a driving gear connected to the rear output end of the servo motor, a driven gear meshingly transmitted to the top side of the driving gear, and a double-headed driving component connected to the middle side of the front part of the driven gear, and the top two ends of the double-headed driving component are respectively connected to the first stirring blade and the second stirring blade.

[0011] Preferably, the double-headed driving component includes a connecting rod connected to the middle part of the driven gear at the rear, a first gear connected to the front end portion of the connecting rod, a second gear meshing with the top side of the first gear, a third gear meshing with the left side of the second gear, a first bevel gear coaxially rotating on the middle side of the rear portion of the second gear, a second bevel gear meshing on the top side of the first bevel gear, a first rotating shaft rod connected to the middle side of the top of the second bevel gear, a third bevel gear coaxially rotating on the middle side of the rear portion of the third gear, a fourth bevel gear meshing and transmitting on the top side of the third bevel gear, and a second rotating shaft rod connected to the middle side of the top of the fourth bevel gear, the first gear, the second gear and the middle side of the third gear are all rotatably connected to the bin cover, the top end of the first rotating shaft rod is connected to the second stirring blade, and the top end of the second rotating shaft rod is connected to the first stirring blade.

[0012] Preferably, the structures and sizes of the second gear, the first bevel gear and the second bevel gear are respectively the same as the structures and sizes of the third gear, the third bevel gear and the fourth bevel gear.

[0013] Preferably, a convex ring is provided at the middle of the outer surface of the first rotating shaft rod and the second rotating shaft rod, and the first rotating shaft rod and the second rotating shaft rod respectively penetrate and rotate on both sides of the interior of the supporting sleeve.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model optimizes the setting of a feeding structure above the screw discharge bin, and a cross and a bearing sheet are arranged inside the bracket to ensure the supporting effect of the power component. Under the action of the servo motor, the driving gear drives the first gear to move by cooperating with the driven gear, and under the action of the second gear, the first bevel gear drives the first rotating shaft rod to rotate by cooperating with the second bevel gear, and under the action of the third gear, the third bevel gear drives the second rotating shaft rod to rotate by cooperating with the fourth bevel gear, so that the first stirring blade and the second stirring blade rotate alternately to ensure the stirring effect on the material. At the same time, under the action of the staggered rotation, the material is evenly moved downward for transportation, thereby improving the uniformity of feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the feeding structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the connection between the bracket and the power assembly of the utility model;

[0019] Figure 4 It is a rear view of the power assembly of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the double-head driving component of the utility model.

[0021] In the figure: base frame 1, support frame 2, drive motor 3, reduction box 4, screw discharge bin 5, extrusion port 6, feeding structure 7, reinforcement frame 71, barrel cover 72, bracket 73, power assembly 74, support sleeve 75, first stirring blade 76, second stirring blade 77, bearing sheet 731, shield 740, bin cover 741, servo motor 742, driving gear 743, driven gear 744, double-headed driving component 745, connecting rod 7451, first gear 7452, second gear 7453, third gear 7454, first bevel gear 7455, second bevel gear 7456, first rotating shaft rod 7457, third bevel gear 7458, fourth bevel gear 7459, second rotating shaft rod 74510. DETAILED DESCRIPTION

[0022] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0023] See also Figure 1 The utility model provides a discharging and stirring device for thermoplastic elastomer, comprising a base frame 1, a pad frame 2, a driving motor 3, a reduction box 4, a screw discharging bin 5, an extrusion port 6 and a feeding structure 7. The base frame 1 is fastened with the pad frame 2 on the left side, the driving motor 3 is fastened with the driving motor 3 on the top middle side of the pad frame 2, the right output end of the driving motor 3 is inserted and connected to the inside of the reduction box 4, a screw discharging bin 5 is arranged on the right side of the reduction box 4, two staggered screws are arranged inside the screw discharging bin 5, and the left ends of the two screws are connected to the reduction box 4, the right end of the screw discharging bin 5 is provided with an extrusion port 6, and a feeding structure 7 is arranged on the left side of the top of the screw discharging bin 5. The feeding structure 7 allows the feeding place to evenly stir the incoming material and transport it downward, further improving the stirring effect and improving the uniformity of the feeding.

[0024] See also Figure 1 , Figure 2 and Figure 3The utility model provides a discharging and stirring device for thermoplastic elastomer, wherein the feeding structure 7 comprises a reinforcing frame 71 fixed to the bottom with the screw discharging bin 5, a barrel cover 72 fixedly connected to the middle side of the inner part of the reinforcing frame 71, a bracket 73 embedded in the middle and lower side of the inner part of the barrel cover 72, a power assembly 74 fastened to the middle side of the top of the bracket 73, a support sleeve 75 fastened to the middle side of the top of the bracket 73, and a first stirring blade 76 and a second stirring blade 77 respectively arranged on both sides of the top of the support sleeve 75, the top side of the power assembly 74 passes through the inner part of the support sleeve 75, and the power assembly 74 is fixed to the middle side of the top of the bracket 73. The two sides of the top end of the component 74 are connected to the first stirring blade 76 and the second stirring blade 77 respectively. Under the action of the power component 74, the first stirring blade 76 and the second stirring blade 77 rotate alternately to ensure the stirring effect on the material. At the same time, the material moves downward evenly under the action of the staggered rotation. A cross is arranged inside the bracket 73, and a bearing sheet 731 is arranged at the internal connection of the cross. The top side of the bearing sheet 731 is connected to the power component 74. A protective cover 740 which plays a sealing and protective role is arranged on the rear end face of the power component 74 to avoid contact with the material.

[0025] See also Figure 3 , Figure 4 and Figure 5 The utility model provides a discharging and stirring device for thermoplastic elastomer, wherein a power assembly 74 comprises a bin cover 741 fixed with a bracket 73 at the bottom, a servo motor 742 fastened to the middle and lower side of the bin cover 741, a driving gear 743 connected to the output end of the rear part of the servo motor 742, a driven gear 744 meshingly driven on the top side of the driving gear 743, and a double-headed driving component 745 connected to the middle side of the front part of the driven gear 744, wherein the two ends of the top of the double-headed driving component 745 are respectively connected to the first stirring blade 76 and the second stirring blade 77, and under the action of the servo motor 742, the driving gear 743 drives the double-headed driving component 745 to move through the cooperation with the driven gear 744, so that the double-headed driving component 745 drives the first stirring blade 76 and the second stirring blade 77 to rotate.

[0026] The double-headed driving component 745 includes a connecting rod 7451 connected to the middle of the driven gear 744 at the rear, a first gear 7452 connected to the front end of the connecting rod 7451, a second gear 7453 meshed with the top side of the first gear 7452, and a third gear 7454 meshed with the left side of the second gear 7453. Under the action of the first gear 7452, the second gear 7453 and the third gear 7454 are meshed and rotated, and the first bevel gear 7455 coaxially rotates on the middle side of the rear part of the second gear 7453, the second bevel gear 7456 meshed with the top side of the first bevel gear 7455, and the first rotating shaft rod 7457 connected to the middle side of the top of the second bevel gear 7456. Under the action of the second gear 7453, the first bevel gear 7455 drives the first rotating shaft through the cooperation with the second bevel gear 7456. The rod 7457 rotates, coaxially rotating the third bevel gear 7458 on the middle side of the rear part of the third gear 7454, meshing and transmitting with the fourth bevel gear 7459 on the top side of the third bevel gear 7458, and the second rotating shaft rod 74510 connected to the middle side of the top of the fourth bevel gear 7459. Under the action of the third gear 7454, the third bevel gear 7458 drives the second rotating shaft rod 74510 to rotate by cooperating with the fourth bevel gear 7459. The first gear 7452, the second gear 7453 and the middle side of the third gear 7454 are all rotatably connected to the warehouse cover 741 to ensure the stability of rotation. The top end of the first rotating shaft rod 7457 is connected to the second stirring blade 77, and the top end of the second rotating shaft rod 74510 is connected to the first stirring blade 76, so as to respectively drive the second stirring blade 77 and the first stirring blade 76 to rotate.

[0027] Among them, the structure and size of the second gear 7453, the first bevel gear 7455 and the second bevel gear 7456 are respectively the same as the structure and size of the third gear 7454, the third bevel gear 7458 and the fourth bevel gear 7459, so as to ensure the synchronization of the rotation of the second stirring blade 77 and the first stirring blade 76. The middle part of the outer surface of the first rotating shaft rod 7457 and the second rotating shaft rod 74510 are provided with a convex ring, and the first rotating shaft rod 7457 and the second rotating shaft rod 74510 respectively penetrate and rotate on both sides of the interior of the supporting sleeve 75, playing the role of limiting the rotation, thereby ensuring the stability of the rotation of the first rotating shaft rod 7457 and the second rotating shaft rod 74510.

[0028] The utility model discloses a discharging and stirring device for thermoplastic elastomer, and its working principle is as follows:

[0029] First, the design is placed at a position where the thermoplastic elastomer needs to be discharged and stirred through the base frame 1, and then the top side of the barrel cover 72 is connected to the external feed point to use the design;

[0030] Second, the material enters the barrel cover 72, and the servo motor 742 is controlled to start. Under the action of the servo motor 742, the driving gear 743 drives the first gear 7452 to rotate by cooperating with the driven gear 744, and the first gear 7452 drives the second gear 7453 and the third gear 7454 to mesh and transmit. Under the action of the second gear 7453, the first bevel gear 7455 drives the first rotating shaft rod 7457 to rotate inside the support sleeve 75 by cooperating with the second bevel gear 7456, so as to drive the second stirring blade 77 to rotate. Under the action of the third gear 7454, the third bevel gear 7458 drives the second rotating shaft rod 74510 to rotate inside the support sleeve 75 by cooperating with the fourth bevel gear 7459, so as to drive the first stirring blade 76 to rotate. Therefore, under the staggered rotation of the second stirring blade 77 and the first stirring blade 76, the stirring effect of the material is improved, and at the same time, the material is evenly moved down to the inside of the screw discharge bin 5;

[0031] Third, by starting the driving motor 3 , the two screws inside the screw discharge bin 5 drive the material to be extruded toward the extrusion port 6 .

[0032] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A discharging and stirring device for a thermoplastic elastomer, comprising a base frame (1), a support frame (2) being fastened to the left side of the base frame (1), a driving motor (3) being fastened to the middle side of the top of the support frame (2), a right output end of the driving motor (3) being inserted and connected to the inside of a reduction box (4), a screw discharging bin (5) being arranged on the right side of the reduction box (4), and an extrusion port (6) being arranged at the right end of the screw discharging bin (5), characterized in that: The invention also comprises a feeding structure (7) arranged on the left side of the top of the screw discharge bin (5), the feeding structure (7) comprising a reinforcement frame (71) fixed to the bottom of the screw discharge bin (5), a barrel cover (72) fixedly connected to the middle side of the inside of the reinforcement frame (71), a bracket (73) embedded in the middle and lower side of the inside of the barrel cover (72), a power assembly (74) fastened to the middle side of the top of the bracket (73), a support sleeve (75) fastened to the middle side of the top of the bracket (73), and a first stirring blade (76) and a second stirring blade (77) respectively arranged on both sides of the top of the support sleeve (75), the top side of the power assembly (74) passes through the inside of the support sleeve (75), and both sides of the top end of the power assembly (74) are respectively connected to the first stirring blade (76) and the second stirring blade (77).

2. A discharging and stirring device for thermoplastic elastomer according to claim 1, characterized in that: Two staggered screws are arranged inside the screw discharge bin (5), and the left ends of the two screws are connected to the reduction box (4).

3. A discharging and stirring device for thermoplastic elastomer according to claim 1, characterized in that: A cross is arranged inside the bracket (73), and a bearing sheet (731) is arranged at the connection inside the cross, and the top side of the bearing sheet (731) is connected to the power assembly (74).

4. A discharging and stirring device for thermoplastic elastomer according to claim 1, characterized in that: The rear end surface of the power assembly (74) is provided with a shield (740) that performs a sealing and protective function.

5. The discharging and stirring device for thermoplastic elastomer according to claim 1, characterized in that: The power assembly (74) comprises a bin cover (741) whose bottom is fixed to the bracket (73), a servo motor (742) fastened to the middle and lower side of the bin cover (741), a driving gear (743) connected to the rear output end of the servo motor (742), a driven gear (744) meshingly driven with the top side of the driving gear (743), and a double-headed driving component (745) connected to the middle side of the front part of the driven gear (744), wherein the top ends of the double-headed driving component (745) are respectively connected to the first stirring blade (76) and the second stirring blade (77).

6. A discharging and stirring device for thermoplastic elastomer according to claim 5, characterized in that: The double-headed driving component (745) comprises a connecting rod (7451) connected at the rear to the middle of the driven gear (744), a first gear (7452) connected to the front end of the connecting rod (7451), a second gear (7453) meshed with the top side of the first gear (7452), a third gear (7454) meshed with the left side of the second gear (7453), a first bevel gear (7455) coaxially rotating at the middle side of the rear of the second gear (7453), a second bevel gear (7456) meshed with the top side of the first bevel gear (7455), and a first rotating shaft (7456) connected to the middle side of the top of the second bevel gear (7456). 7457), a third bevel gear (7458) coaxially rotating on the middle side of the rear part of the third gear (7454), a fourth bevel gear (7459) meshingly transmitted on the top side of the third bevel gear (7458), and a second rotating shaft rod (74510) connected to the middle side of the top of the fourth bevel gear (7459), the first gear (7452), the second gear (7453) and the middle side of the third gear (7454) are all rotatably connected to the bin cover (741), the top end of the first rotating shaft rod (7457) is connected to the second stirring blade (77), and the top end of the second rotating shaft rod (74510) is connected to the first stirring blade (76).

7. A discharging and stirring device for thermoplastic elastomer according to claim 6, characterized in that: The structures and sizes of the second gear (7453), the first bevel gear (7455) and the second bevel gear (7456) are respectively the same as the structures and sizes of the third gear (7454), the third bevel gear (7458) and the fourth bevel gear (7459).

8. A discharging and stirring device for thermoplastic elastomer according to claim 6, characterized in that: A convex ring is provided in the middle of the outer surface of the first rotating shaft rod (7457) and the second rotating shaft rod (74510), and the first rotating shaft rod (7457) and the second rotating shaft rod (74510) respectively penetrate and rotate on both sides of the interior of the support sleeve (75).

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