CN213860625U

CN213860625U - Double-screw extruder for plastic processing

Info

Publication number: CN213860625U
Application number: CN202022760824.2U
Authority: CN
Inventors: 徐小林
Original assignee: Jiangxi Jinliang New Material Technology Co ltd
Current assignee: Jiangxi Jinliang New Material Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-03
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a twin-screw extruder for plastic processing, which comprises a box body, a protection box is fixedly connected to the right side of the top of the box body, and an extrusion pipe is fixedly connected to the left side of the protection box. A feeding hopper is connected to the right side of the top of the extrusion pipe, a discharge pipe is connected to the left side of the extrusion pipe, and a servo motor is fixedly connected to the top and bottom of the left side of the inner wall of the protection box. The utility model is provided with a sliding groove, a stepping motor, a threaded rod, a threaded block, a sliding rod, a moving table, a fixed plate, a heat-conducting plate, a heating pipe, a heating wire, a sealing ring, a bearing, a fixed block, a sliding groove and a sliding block. With the cooperation, the advantages of heating and preventing blockage of the twin-screw extruder are achieved, so that the plastic hot-melt material can be effectively heated during extrusion, and the twin-screw extruder can be prevented from cooling due to the cooling of the plastic hot-melt material. Blockage avoids the problem of manual cleaning by workers, and can meet the needs of users.

Description

Double-screw extruder for plastic processing

Technical Field

The utility model relates to a plastics processing technology field specifically is a double screw extruder for plastics processing.

Background

The extruder belongs to one of the types of plastic machinery, the extruder can divide a machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of a screw rod, the screw extruder can fully plasticize and uniformly mix materials by means of pressure and shearing force generated by rotation of the screw rod, and the plastic extruder can be basically classified into a double-screw extruder, a single-screw extruder, a rare multi-screw extruder and a non-screw extruder through the molding of a neck ring.

When plastics are processed, a double-screw extruder is needed, and the existing double-screw extruder has the following defects: the existing double-screw extruder does not have the function of preventing blockage, so that the plastic hot melting material is easily cooled when extruded, the double-screw extruder is easily blocked, inconvenient workers clean the double-screw extruder, and the use requirement of a user cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double screw extruder for plastics processing possesses the advantage of preventing blockking up to the heating of double screw extruder, has solved current double screw extruder and has not had the function of preventing blockking up, leads to plastics hot melt material when extruding, appears the cooling easily, causes double screw extruder to appear blockking up easily, the problem of inconvenient workman's clearance.

In order to achieve the above object, the utility model provides a following technical scheme: a double-screw extruder for plastic processing comprises a box body, wherein a protection box is fixedly connected to the right side of the top of the box body, an extrusion pipe is fixedly connected to the left side of the protection box, a charging hopper is communicated with the right side of the top of the extrusion pipe, a discharging pipe is communicated with the left side of the extrusion pipe, a servo motor is fixedly connected to the left top and the bottom of the inner wall of the protection box, a conveying screw rod is fixedly connected to the output end of the servo motor, the left end of the conveying screw rod penetrates through the inner cavity of the extrusion pipe, a sliding groove is formed in the left side of the top of the box body, a stepping motor is fixedly connected to the left side of the box body, a threaded rod is fixedly connected to the output end of the stepping motor, the right end of the threaded rod penetrates through the inner cavity of the box body, a threaded block is connected to the surface of the threaded rod in a threaded manner, a sliding rod is fixedly connected to the top of the threaded block, and the surface of the sliding rod is in sliding connection with the inner cavity of the sliding groove, the top of slide bar runs through to the top and the fixedly connected with mobile station of sliding tray, the equal fixedly connected with fixed plate in front side and the rear side at mobile station top, the equal fixedly connected with heat-conducting plate in both ends of fixed plate inboard, the inboard fixedly connected with heating pipe of heat-conducting plate, the surface cover of heating pipe is equipped with the heater strip, the outer end of heater strip and the inboard fixed connection of heat-conducting plate.

Preferably, the length and the width of the inner cavity of the sliding groove are both greater than the length and the width of the sliding rod, and the height of the inner cavity of the sliding groove is less than the height of the sliding rod.

Preferably, the right side of the surface of the material conveying screw rod is sleeved with a sealing ring, and the right side of the sealing ring is connected with the right side of the inner wall of the extrusion pipe in an adhering mode.

Preferably, the right end of the threaded rod is sleeved with a bearing, the right side of the bearing is fixedly connected with a fixed block, and the bottom of the fixed block is fixedly connected with the right side of the bottom of the inner wall of the box body.

Preferably, the left side of the bottom of the inner wall of the box body is provided with a sliding groove, an inner cavity of the sliding groove is connected with a sliding block in a sliding mode, and the top of the sliding block is fixedly connected with the bottom of the thread block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the sliding tray, step motor, the threaded rod, the thread piece, the slide bar, the mobile station, the fixed plate, the heat-conducting plate, the heating pipe, the heater strip, the sealing washer, a bearing, the fixed block, spout and slider mutually support, the advantage of preventing blockking up is heated twin-screw extruder has been reached, make plastics hot melt material when extruding, can effectually heat plastics hot melt material, prevent that plastics hot melt material cooling from causing twin-screw extruder to appear blockking up, the problem that needs the manual clearance of workman has been avoided, user's user demand can be satisfied.

2. The utility model discloses a set up sliding tray and slide bar, play the effect that removes about conveniently driving the mobile station, through setting up the heat-conducting plate, heating pipe and heater strip mutually support, play and remove the effect of heating the material of extruding the inside pipe chamber, through setting up the sealing washer, play sealed effect to defeated material screw rod and the gap between the extrusion pipe, through setting up bearing and fixed block, stable effect when playing the rotation to the screw rod, through setting up spout and slider, stable effect when playing the removal to the screw block.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the internal structure of the case of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. a box body; 2. a protection box; 3. extruding a pipe; 4. a hopper; 5. a discharge pipe; 6. a servo motor; 7. a material conveying screw rod; 8. a sliding groove; 9. a stepping motor; 10. a threaded rod; 11. a thread block; 12. a slide bar; 13. a mobile station; 14. a fixing plate; 15. a heat conducting plate; 16. heating a tube; 17. heating wires; 18. a seal ring; 19. a bearing; 20. a fixed block; 21. a chute; 22. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a double screw extruder for plastic processing comprises a box body 1, a protection box 2 is fixedly connected to the right side of the top of the box body 1, an extrusion pipe 3 is fixedly connected to the left side of the protection box 2, a hopper 4 is communicated with the right side of the top of the extrusion pipe 3, a discharge pipe 5 is communicated with the left side of the extrusion pipe 3, a servo motor 6 is fixedly connected to the top and the bottom of the left side of the inner wall of the protection box 2, a material conveying screw 7 is fixedly connected to the output end of the servo motor 6, the left end of the material conveying screw 7 penetrates through the inner cavity of the extrusion pipe 3, a sliding groove 8 is formed in the left side of the top of the box body 1, a stepping motor 9 is fixedly connected to the left side of the box body 1, a threaded rod 10 is fixedly connected to the output end of the stepping motor 9, the right end of the threaded rod 10 penetrates through the inner cavity of the box body 1, a threaded block 11 is connected to the surface thread of the threaded rod 10, a sliding rod 12 is fixedly connected to the top of the threaded block 11, the surface of a sliding rod 12 is connected with the inner cavity of a sliding groove 8 in a sliding way, the top of the sliding rod 12 penetrates to the top of the sliding groove 8 and is fixedly connected with a moving platform 13, the front side and the rear side of the top of the moving platform 13 are fixedly connected with a fixed plate 14, both ends of the inner side of the fixed plate 14 are fixedly connected with heat conducting plates 15, the inner side of each heat conducting plate 15 is fixedly connected with a heating pipe 16, the surface of each heating pipe 16 is sleeved with a heating wire 17, the outer ends of the heating wires 17 are fixedly connected with the inner side of the heat conducting plates 15, the length and the width of the inner cavity of the sliding groove 8 are both larger than those of the sliding rod 12, the height of the inner cavity of the sliding groove 8 is smaller than that of the sliding rod 12, the right side of the surface of a conveying screw rod 7 is sleeved with a sealing ring 18, the right side of the sealing ring 18 is connected with the right side of the inner wall of an extrusion pipe 3 in an adhesive manner, the right end of a threaded rod 10 is sleeved with a bearing 19, and the right side of the bearing 19 is fixedly connected with a fixed block 20, the bottom of fixed block 20 and the right side fixed connection of box 1 inner wall bottom, spout 21 has been seted up in the left side of box 1 inner wall bottom, the inner chamber sliding connection of spout 21 has slider 22, the top of slider 22 and the bottom fixed connection of screw thread piece 11, through setting up sliding tray 8 and slide bar 12, play and conveniently drive the effect that removes about mobile station 13, through setting up heat-conducting plate 15, heating pipe 16 and heater strip 17 mutually support, play and remove the effect of heating the material of extruding the pipe 3 inner chamber, through setting up sealing washer 18, play sealed effect to the gap between defeated material screw rod 7 and the extrusion tube 3, through setting up bearing 19 and fixed block 20, stable effect when rotating is played threaded rod 10, through setting up spout 21 and slider 22, stable effect when playing the removal to screw thread piece 11, through setting up sliding tray 8, step motor 9, threaded rod 10, Screw thread piece 11, slide bar 12, mobile station 13, fixed plate 14, heat-conducting plate 15, heating pipe 16, heater strip 17, sealing washer 18, bearing 19, fixed block 20, spout 21 and slider 22 mutually support, the advantage of preventing blockking up has been reached to the heating of double screw extruder, make plastics hot melt material when extruding, can effectually heat plastics hot melt material, prevent that plastics hot melt material cooling from causing double screw extruder to appear blockking up, the problem of needing the manual clearance of workman has been avoided, user's user demand can be satisfied.

When the hot melt extrusion device is used, hot melt is added through the feeding hopper 4, then the servo motor 6 is started through the external controller, the servo motor 6 is started to drive the material conveying screw 7 to start rotating, the material conveying screw 7 starts to convey the hot melt, then the hot melt is extruded through the discharging pipe 5, meanwhile, the heating pipe 16, the heating wire 17 and the stepping motor 9 are started through the external controller, the heating pipe 16 and the heating wire 17 start to heat the hot melt in the inner cavities of the extruding pipe 3 and the extruding pipe 3, meanwhile, the stepping motor 9 is started to drive the threaded rod 10 to start rotating in the inner cavity of the bearing 19, so that the threaded rod 10 is stable in rotation, meanwhile, the threaded rod 10 rotates to drive the threaded block 11 to move on the surface of the threaded rod 10 through threads, the threaded block 11 moves to drive the sliding block 22 to slide in the inner cavity of the sliding groove 21, so that the threaded block 11 is stable in movement, and meanwhile, the threaded block 11 moves to drive the sliding rod 12 to slide in the inner cavity of the sliding groove 8, slide bar 12 removes and drives mobile station 13 and begins to remove, and mobile station 13 removes and drives fixed plate 14 and begin to remove, and fixed plate 14 removes and drives heat-conducting plate 15, heating pipe 16 and heater strip 17 and remove to extruding pipe 3 and extrude the hot melt material of 3 inner chambers of pipe and heat, can effectually heat plastics hot melt material, prevents that plastics hot melt material cooling from causing the twin-screw extruder to appear blockking up to the advantage of preventing blockking up has been reached in the heating of twin-screw extruder.

All the components in the utility model are universal standard components or components known by technicians in the field, the structure and principle of the components are known by technicians in the technical manual or known by conventional experimental methods, standard parts used in the application document can be purchased from the market, the components in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each component adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, machines, parts and equipment adopt conventional models in the prior art, the control mode is automatically controlled by a controller, a control circuit of the controller can be realized by simple programming of technicians in the field, the components belong to the common knowledge in the field, and the application document is mainly used for protecting mechanical devices, so the control mode and circuit connection are not explained in detail in the application document, no specific description is made here, and the peripheral controller mentioned in the specification may play a role of controlling the electric elements mentioned herein, and the peripheral controller is a conventionally known device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A twin-screw extruder for plastics processing, comprising a box body (1), characterized in that: a protection box (2) is fixedly connected to the right side of the top of the box body (1), and the protection box (2) ) is fixedly connected with an extrusion pipe (3), the right side of the top of the extrusion pipe (3) is connected with a feeding hopper (4), and the left side of the extrusion pipe (3) is connected with a discharge pipe (5), a servo motor (6) is fixedly connected to the top and bottom of the left inner wall of the protection box (2), and a feeding screw (7) is fixedly connected to the output end of the servo motor (6). The left end of the feeding screw (7) penetrates into the inner cavity of the extrusion pipe (3), the left side of the top of the box body (1) is provided with a sliding groove (8), and the left side of the box body (1) is fixed A stepping motor (9) is connected, the output end of the stepping motor (9) is fixedly connected with a threaded rod (10), and the right end of the threaded rod (10) penetrates into the inner cavity of the box body (1), so A threaded block (11) is threadedly connected to the surface of the threaded rod (10), a sliding rod (12) is fixedly connected to the top of the threaded block (11), and the surface of the sliding rod (12) is connected to the sliding groove (8) The inner cavity is slidably connected, the top of the sliding rod (12) penetrates to the top of the sliding groove (8) and is fixedly connected with a mobile table (13), and the front and rear sides of the top of the mobile table (13) are fixed A fixing plate (14) is connected, both ends of the inner side of the fixing plate (14) are fixedly connected with a heat-conducting plate (15), and a heating tube (16) is fixedly connected to the inner side of the heat-conducting plate (15), and the heating A heating wire (17) is sleeved on the surface of the tube (16), and the outer end of the heating wire (17) is fixedly connected with the inner side of the heat conducting plate (15).

2. A twin-screw extruder for plastics processing according to claim 1, characterized in that: the length and width of the inner cavity of the sliding groove (8) are larger than the length and width of the sliding rod (12), so The height of the inner cavity of the sliding groove (8) is smaller than the height of the sliding rod (12).

3. A twin-screw extruder for plastics processing according to claim 1, characterized in that a sealing ring (18) is sleeved on the right side of the surface of the feeding screw (7), and the sealing ring ( The right side of 18) is bonded to the right side of the inner wall of the extrusion tube (3).

4. A twin-screw extruder for plastics processing according to claim 1, characterized in that: the right end of the threaded rod (10) is sleeved with a bearing (19), and the right side of the bearing (19) is sleeved with a bearing (19). A fixed block (20) is fixedly connected, and the bottom of the fixed block (20) is fixedly connected to the right side of the bottom of the inner wall of the box body (1).

5. A twin-screw extruder for plastics processing according to claim 1, characterized in that: a chute (21) is provided on the left side of the bottom of the inner wall of the box (1), and the chute (21) ) is slidably connected with a slider (22), and the top of the slider (22) is fixedly connected with the bottom of the threaded block (11).