Extrusion molding device for thermoplastic elastomer production

Abstract

The utility model relates to an extrusion molding device for thermoplastic elastomer production, which belongs to the technical field of extruders and comprises a bottom plate and an extrusion motor, a groove is arranged in the middle of the bottom plate, the extrusion motor is connected to one side of the top of the bottom plate, a driving box is connected onto the extrusion motor, an extrusion barrel is connected onto the driving box, and an extrusion die head is arranged on one side of the extrusion barrel. A supporting plate is installed on the outer side wall of the extrusion barrel, a feeding port is formed in the top of the extrusion barrel, an overturning assembly is arranged at the position of a groove in the middle of the bottom plate and connected with a feeding barrel, a telescopic pipe is arranged at the bottom of the feeding barrel, and a displacement assembly used for driving the telescopic pipe to move is arranged on the outer side wall of the feeding barrel. The limiting sleeves are mounted on the outer side walls of the two sides of one end of the extrusion barrel, and when the feeding barrel is not used or the extrusion device is transported, the feeding barrel can rotate through the overturning assembly, so that after the feeding barrel rotates, the occupied space is reduced, and different extrusion die heads are convenient to replace through the positioning assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to extruder technical field especially relates to a kind of extrusion forming devices for thermoplastic elastomer production. BACKGROUND

[0002] Thermoplastic elastomer is a kind of soft rubber material, it has the elasticity of rubber at room temperature, it has the characteristics of plasticization molding at high temperature, so it can be processed and formed by general thermoplastic forming machine, its appearance is usually natural color, black, translucent or transparent round particle, extrusion forming device is needed when thermoplastic elastomer is produced and processed, extrusion forming device for thermoplastic elastomer production is a kind of equipment specially used for processing thermoplastic elastomer, the core part of this kind of device includes barrel, motor, extrusion forming head and temperature control system and other key components, in production process, raw material is first sent into barrel, motor drives screw rotation, so that raw material is subjected to strong shearing and compression in barrel, thereby gradually melting and forming viscous flow state, simultaneously, temperature control system accurately controls the temperature in barrel, ensures that raw material melts at suitable temperature, and thermoplastic elastomer after melting is extruded through extrusion forming head, and forms section material with certain cross-sectional shape.

[0003] When adding raw material into extrusion cylinder, it needs to pass through feeding cylinder above extrusion cylinder, since feeding cylinder is fixed above extrusion cylinder, thus when extrusion cylinder is not used or extrusion forming device is transported, certain space will be occupied at extrusion cylinder, and die head at one end of extrusion forming device is connected by bolt, and it is inconvenient to replace. UTILITY MODEL CONTENTS

[0004] To overcome the technical defects existing in prior art, the utility model provides an extrusion forming device for thermoplastic elastomer production, which has the advantages of being able to turn the feeding cylinder and facilitating the replacement of the extrusion die.

[0005] The technical solution adopted by the utility model is: including the bottom plate with recess in the middle and extrusion motor, the extrusion motor is connected on one side of the top of the bottom plate, the driving box is connected on the extrusion motor, the extrusion cylinder is connected on the driving box, the extrusion die head is arranged on one side of the extrusion cylinder, the supporting plate is installed on the outer side wall of the extrusion cylinder, the feeding port is arranged on the top of the extrusion cylinder, the turnover assembly is arranged in the recess in the middle of the bottom plate, the feeding cylinder is connected on the turnover assembly, the telescopic pipe is arranged on the bottom of the feeding cylinder, the displacement assembly for driving the telescopic pipe to displace is arranged on the outer side wall of the feeding cylinder, the limiting sleeve is installed on the outer side wall on both sides of one end of the extrusion cylinder, the limiting insert plate is installed on the outer side wall on both sides of the extrusion die head, the positioning assembly for positioning the limiting insert plate is arranged on the supporting plate.

[0006] Preferably, in order to make the telescopic pipe communicate with the feeding port, one end of the telescopic pipe is arranged in the feeding port, and one end of the limiting insert plate is arranged in the limiting sleeve.

[0007] Preferably, in order to make the gear ring rotate on the circular ring, the turnover assembly comprises a support seat fixedly arranged in the middle of the bottom plate, one end of the support seat is fixedly provided with a circular ring, and the outer side wall of the circular ring is rotatably connected with a gear ring.

[0008] Preferably, in order to drive the gear ring to rotate through the turnover motor, the outer side wall of the support seat is fixedly provided with a turnover motor, the output shaft of the turnover motor is fixedly provided with a gear ring, the gear ring is engaged with the gear ring, the outer side wall of the gear ring is fixedly provided with a linkage plate, and the feeding cylinder is fixedly connected to one end of the linkage plate.

[0009] Preferably, in order to make the telescopic pipe communicate with the feeding port, one end of the telescopic pipe is arranged in the feeding port, and one end of the limiting insert plate is arranged in the limiting sleeve.

[0010] Preferably, in order to make the telescopic pipe communicate with the feeding port, one end of the telescopic pipe is arranged in the feeding port, and one end of the limiting insert plate is arranged in the limiting sleeve.

[0011] Preferably, in order to facilitate the installation and use of the bidirectional screw rod, the positioning assembly comprises a side connecting plate arranged on the outer side wall of the support plate, the side connecting plate is provided with a strip-shaped hole, the inner side wall of the strip-shaped hole is rotatably provided with a bidirectional screw rod, and the two ends of the bidirectional screw rod are threadedly connected with positioning plates.

[0012] Preferably, in order to drive the bidirectional screw rod to rotate in place through the positioning motor, the positioning plate is arranged in the strip-shaped hole, the outer side wall of the side connecting plate is provided with a positioning motor, and the output shaft of the positioning motor is connected to one end of the bidirectional screw rod.

[0013] The beneficial effects of the utility model are as follows:

[0014] The utility model discloses a turnover assembly and a positioning assembly, when the utility model is not used, the user can make the turnover assembly work and drive the feeding cylinder to rotate until the feeding cylinder rotates to the middle of the bottom plate, reduces the space occupation, and after the feeding cylinder rotates, also facilitates the transportation work, after the positioning assembly removes the limiting of the limiting insert plate and the extrusion die, the user can take down the extrusion die, when installing the new extrusion die, adopts the step opposite to dismounting, improves the replacement efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the utility model.

[0016] Figure 2 It is a connection schematic view of the turnover assembly and the feeding cylinder in the utility model.

[0017] Figure 3 It is a mounting schematic view of the extrusion die in the utility model.

[0018] Figure 4 It is an explosion schematic view of the positioning assembly and the support plate in the utility model.

[0019] Figure 5 It is a structure schematic view of the displacement assembly in the utility model.

[0020] Brief Description of Drawings: in the drawing: 1, bottom plate;2, extrusion motor;3, drive box;4, extrusion cylinder;5, extrusion die;6, support plate;7, turnover assembly;701, support seat;702, circular ring;703, gear ring;704, turnover motor;705, gear;706, linkage plate;8, feeding cylinder;9, telescopic pipe;10, displacement assembly;1001, side rod;1002, vertical plate;1003, displacement screw;1004, drive plate;11, limit sleeve;12, limit insert plate;13, positioning assembly;1301, side connecting plate;1302, bidirectional screw;1303, positioning plate;1304, positioning motor. DETAILED DESCRIPTION

[0021] The utility model will be further described in connection with the drawings:

[0022] As Figures 1-5 The utility model provides an extrusion forming device for thermoplastic elastomer production, including the bottom plate 1 with the recess in the middle and extrusion motor 2, is connected in one side at the top of bottom plate 1 extrusion motor 2, is connected with drive box 3 on extrusion motor 2, is connected with extrusion cylinder 4 on drive box 3, is provided with extrusion die 5 on one side of extrusion cylinder 4, is installed with support plate 6 on the outer side wall of extrusion cylinder 4, is provided with feeding inlet on the top of extrusion cylinder 4, is provided with turnover assembly 7 at the recess in the middle of bottom plate 1, is connected with feeding cylinder 8 on turnover assembly 7, is provided with telescopic pipe 9 at the bottom of feeding cylinder 8, is provided with displacement assembly 10 for driving telescopic pipe 9 to displace on the outer side wall of feeding cylinder 8, displacement assembly 10 can drive telescopic pipe 9 to displace, is installed with limit sleeve 11 on the outer side wall of both sides of one end of extrusion cylinder 4, is installed with limit insert plate 12 on the outer side wall of both sides of extrusion die 5, is provided with positioning assembly 13 for positioning limit insert plate 12 on support plate 6.

[0023] One end of the telescopic pipe 9 is arranged in the feed inlet, so that the raw material in the telescopic pipe 9 can enter the extrusion cylinder 4 through the feed inlet, and one end of the limiting insertion plate 12 is arranged in the limiting sleeve 11.

[0024] The turnover assembly 7 comprises a support seat 701 fixedly arranged at the middle part of the bottom plate 1, a circular ring 702 fixedly arranged at one end of the support seat 701, a gear ring 703 rotatably connected to the outer side wall of the circular ring 702, a turnover motor 704 fixedly arranged on the outer side wall of the support seat 701, a gear 705 fixedly arranged on the output shaft of the turnover motor 704, the gear 705 being engaged with the gear ring 703, a linkage plate 706 fixedly arranged on the outer side wall of the gear ring 703, and the feed cylinder 8 being fixedly connected to one end of the linkage plate 706, so that the feed cylinder 8 can be driven to rotate after the turnover motor 704 is operated.

[0025] The displacement assembly 10 comprises a side rod 1001 connected to the outer side wall of the feed cylinder 8, a vertical plate 1002 with a groove on the side thereof connected to one end of the side rod 1001, a displacement screw rod 1003 rotatably connected to the groove on the side of the vertical plate 1002, a driving plate 1004 threadedly connected to the displacement screw rod 1003, the driving plate 1004 being located in the groove on the side of the vertical plate 1002, one end of the driving plate 1004 being connected to the telescopic pipe 9, and the displacement screw rod 1003 being capable of displacing the driving plate 1004 and the telescopic pipe 9.

[0026] The positioning assembly 13 comprises a side connecting plate 1301 arranged on the outer side wall of the support plate 6, a strip-shaped hole being arranged on the side connecting plate 1301, a bidirectional screw rod 1302 rotatably arranged on the inner side wall of the strip-shaped hole, positioning plates 1303 threadedly connected to both ends of the bidirectional screw rod 1302, the positioning plates 1303 being located in the strip-shaped hole, a positioning motor 1304 arranged on the outer side wall of the side connecting plate 1301, and the output shaft of the positioning motor 1304 being connected to one end of the bidirectional screw rod 1302, so that the two positioning plates 1303 can be moved after the positioning motor 1304 is operated, and the extrusion die head 5 can be clamped and fixed when the two positioning plates 1303 clamp the limiting insertion plate 12.

[0027] The utility model discloses when using, in the production of thermoplastic elastomer, the user can place raw material into feeding cylinder 8, thereby the raw material in feeding cylinder 8 can enter extrusion cylinder 4 through telescopic pipe 9, after that, the user can make extrusion motor 2 work, thereby the raw material in extrusion cylinder 4 can be extruded through extrusion die 5, when not using feeding cylinder 8 or the utility model is transported, the user can make displacement screw rod 1003 rotate in situ first, drives driving plate 1004 to go up, and then driving plate 1004 can drive telescopic pipe 9 to go up, until telescopic pipe 9 and the feeding port on extrusion cylinder 4 are separated, then the user can make turnover motor 704 work and drive gear 705 to rotate, thus can make gear ring 703, linkage plate 706 and feeding cylinder 8 rotate, until feeding cylinder 8 rotates to the recess in the middle part of bottom plate 1, reduced the space occupation, convenient transportation etc.

[0028] The above shows and describes the basic principle and main features of the present application and the advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments. The above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application. These changes and improvements fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An extrusion molding apparatus for producing thermoplastic elastomers, comprising a base plate (1) with a groove in the middle and an extrusion motor (2), wherein the extrusion motor (2) is connected to one side of the top of the base plate (1), a drive box (3) is connected to the extrusion motor (2), an extrusion cylinder (4) is connected to the drive box (3), an extrusion die (5) is provided on one side of the extrusion cylinder (4), a support plate (6) is installed on the outer side wall of the extrusion cylinder (4), and a feed port is provided at the top of the extrusion cylinder (4), characterized in that: The bottom plate (1) is provided with a turnover assembly (7) at the middle recess, the turnover assembly (7) is connected with a feeding cylinder (8), the bottom of the feeding cylinder (8) is provided with an extension tube (9), the outer side wall of the feeding cylinder (8) is provided with a displacement assembly (10) for driving the extension tube (9) to displace, the outer side wall of both sides of one end of the extrusion cylinder (4) is installed with a limiting sleeve (11), the outer side wall of both sides of the extrusion die (5) is installed with a limiting insert plate (12), the support plate (6) is provided with a positioning assembly (13) for positioning the limiting insert plate (12).

2. The extrusion molding apparatus for producing a thermoplastic elastomer according to claim 1, characterized by: One end of the extension tube (9) is arranged in the feeding port, and one end of the limiting insert plate (12) is arranged in the limiting sleeve (11).

3. The extrusion molding apparatus for producing a thermoplastic elastomer according to claim 1, characterized by: The turnover assembly (7) comprises a support seat (701) fixedly installed at the middle recess of the bottom plate (1), one end of the support seat (701) is fixedly installed with a circular ring (702), and the outer side wall of the circular ring (702) is rotatably connected with a gear ring (703).

4. The extrusion molding apparatus for producing a thermoplastic elastomer according to claim 3, characterized by: A turnover motor (704) is fixedly installed on the outer side wall of the support seat (701), a gear (705) is fixedly installed on the output shaft of the turnover motor (704), the gear (705) is engaged with the gear ring (703), a linkage plate (706) is fixedly installed on the outer side wall of the gear ring (703), and the feeding cylinder (8) is fixedly connected to one end of the linkage plate (706).

5. The extrusion molding apparatus for producing a thermoplastic elastomer according to claim 1, characterized by: The displacement assembly (10) comprises a side rod (1001) connected to the outer side wall of the feeding cylinder (8), one end of the side rod (1001) is connected with a vertical plate (1002) with a groove on the side, and the vertical plate (1002) is rotatably connected with a displacement screw rod (1003) in the groove on the side.

6. The extrusion molding apparatus for producing a thermoplastic elastomer according to claim 5, characterized by: A driving plate (1004) is threadedly connected to the displacement screw rod (1003), the driving plate (1004) is located in the groove on the side of the vertical plate (1002), and one end of the driving plate (1004) is connected to the extension tube (9).

7. The extrusion molding apparatus for producing a thermoplastic elastomer according to claim 1, characterized by: The positioning assembly (13) comprises a side connecting plate (1301) installed on the outer side wall of the support plate (6), the side connecting plate (1301) is provided with a strip-shaped hole, a bidirectional screw rod (1302) is rotatably installed on the inner side wall of the strip-shaped hole, and positioning plates (1303) are threadedly connected to both ends of the bidirectional screw rod (1302).

8. The extrusion molding apparatus for producing a thermoplastic elastomer according to claim 7, characterized by: The positioning plates (1303) are located in the strip-shaped hole, a positioning motor (1304) is installed on the outer side wall of the side connecting plate (1301), and the output shaft of the positioning motor (1304) is connected to one end of the bidirectional screw rod (1302).

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