CN216506670U

CN216506670U - Sealing structure between barrels of extruder

Info

Publication number: CN216506670U
Application number: CN202123229459.3U
Authority: CN
Inventors: 王文强
Original assignee: Nanjing Faqiang Machinery Manufacturing Co ltd
Current assignee: Nanjing Faqiang Machinery Manufacturing Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-13
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a sealing structure between extruder barrels, which comprises a first barrel and a second barrel, wherein the first barrel and the second barrel are fixedly connected through bolts, a sealing cover is arranged outside the joint of the first barrel and the second barrel, mounting bolts are arranged on two sides of the sealing cover, the sealing cover is respectively and fixedly connected with the first barrel and the second barrel through the mounting bolts, and an extrusion block is fixedly connected to the inner wall of the sealing cover. This seal structure between extruder barrel has reached and has installed sealed lid additional in the junction outside of first barrel and second barrel, and the inner wall of sealed lid sets up the extrusion piece, is convenient for support the junction of barrel, and the surface of extrusion piece sets up first sealed pad, improves barrel sealing performance, and the both sides of sealed lid set up the second and seal up the pad, further improve barrel sealing performance, satisfy user demand's purpose.

Description

Sealing structure between barrels of extruder

Technical Field

The utility model relates to the field of extruders, in particular to a sealing structure between barrels of an extruder.

Background

Extruders belong to one of the classes of plastics machines. The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders. The extruder barrels are usually installed through bolts, certain gaps exist among the barrels, the sealing effect is poor, and the gaps need to be reinforced. At present, the sealing structure between the existing extruder barrels has the advantages of single structure, poor sealing effect and poor installation stability, and can not meet the use requirement.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems that the existing sealing structure between extruder barrels in the prior art is single in structure, poor in sealing effect and installation stability and cannot meet use requirements, the utility model aims to provide the sealing structure between the extruder barrels, the sealing cover can be additionally arranged outside the joint of the first barrel and the second barrel, the inner wall of the sealing cover is provided with the extrusion block to support the joint of the barrels conveniently, the surface of the extrusion block is provided with the first sealing gasket to improve the sealing performance of the barrels, the second sealing gaskets are arranged on the two sides of the sealing cover to further improve the sealing performance of the barrels, meanwhile, the limiting device is arranged inside the sealing cover to facilitate clamping connection of the barrels, the installation stability of the sealing cover is improved, the integral sealing effect is further improved, and the use requirements are met.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a seal structure between extruder barrel, includes first barrel and second barrel, first barrel passes through bolt fixed connection with the second barrel, the junction outside of first barrel and second barrel is provided with sealed lid, the both sides of sealed lid are provided with construction bolt, sealed lid pass through construction bolt respectively with first barrel, second barrel fixed connection, the inner wall fixedly connected with extrusion piece of sealed lid, the extrusion piece is corresponding with the junction of first barrel, second barrel, the first sealed pad of bottom fixedly connected with of extrusion piece, first sealed pad contacts with the surface of first barrel, second barrel respectively.

Preferably, the bottom parts of the two sides of the sealing cover are fixedly connected with second sealing gaskets, and the second sealing gaskets are respectively contacted with the surfaces of the first cylinder body and the second cylinder body.

Preferably, limiting devices are arranged on two sides of the inside of the sealing cover, clamping grooves are formed in the side walls of the first barrel and the second barrel, and the limiting devices correspond to the clamping grooves.

Preferably, stop device includes the threaded rod, the threaded rod rotates with sealed lid to be connected, the threaded rod is located the outside one end fixedly connected with rolling disc of sealed lid, the inner wall fixedly connected with slide bar of sealed lid, threaded rod threaded connection has the motion piece, motion piece and slide bar sliding connection, the spacing of bottom fixedly connected with of motion piece, the lower extreme and the draw-in groove joint of spacing, the upper end of spacing is corresponding with the top of extrusion piece.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. through installing sealed lid additional in the junction outside of first barrel and second barrel, the inner wall of sealed lid sets up the extrusion piece, is convenient for support the junction of barrel, and the surface of extrusion piece sets up first sealed pad, improves barrel sealing performance, and the both sides of sealed lid set up the sealed pad of second, further improve barrel sealing performance.

2. The limiting device is arranged in the sealing cover, so that the barrel can be clamped conveniently, the installation stability of the sealing cover is improved, and the integral sealing effect is further improved.

Drawings

FIG. 1 is a schematic view of the overall mounting structure of the present invention;

fig. 2 is a schematic view of the enlarged structure at a point a in fig. 1 according to the present invention.

The reference numbers in the figures illustrate:

1. a first cylinder; 2. a second cylinder; 3. a sealing cover; 4. installing a bolt; 5. extruding the block; 6. a first gasket; 7. a second gasket; 8. a limiting device; 81. a threaded rod; 82. rotating the disc; 83. a slide bar; 84. a motion block; 85. a limiting frame; 9. a clamping groove.

Detailed Description

The drawings in the embodiments of the utility model will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the utility model; rather than all embodiments. Based on the embodiments of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

Example 1:

referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a seal structure between extruder barrel, including first barrel 1 and second barrel 2, first barrel 1 passes through bolt fixed connection with second barrel 2, the junction outside of first barrel 1 and second barrel 2 is provided with sealed lid 3, the both sides of sealed lid 3 are provided with construction bolt 4, sealed lid 3 pass through construction bolt 4 respectively with first barrel 1, second barrel 2 fixed connection, the inner wall fixedly connected with extrusion piece 5 of sealed lid 3, extrusion piece 5 and first barrel 1, the junction of second barrel 2 is corresponding, the first sealed pad 6 of bottom fixedly connected with of extrusion piece 5, first sealed pad 6 contacts with first barrel 1, the surface of second barrel 2 respectively. Install sealed lid 3 additional in the junction outside of first barrel 1 and second barrel 2, the inner wall of sealed lid 3 sets up extrusion piece 5, is convenient for support the junction of barrel, and the surface of extrusion piece 5 sets up first sealed 6 that fills up, improves barrel sealing performance.

The bottom parts of the two sides of the sealing cover 3 are fixedly connected with second sealing gaskets 7, and the second sealing gaskets 7 are respectively contacted with the surfaces of the first cylinder body 1 and the second cylinder body 2. And the two sides of the sealing cover 3 are provided with second sealing gaskets 7, so that the sealing performance of the cylinder body is further improved.

Example 2:

referring to fig. 1-2, a sealing structure between extruder barrels is substantially the same as that of embodiment 1, further, two sides of the inside of the sealing cover 3 are provided with a limiting device 8, the side walls of the first barrel 1 and the second barrel 2 are provided with a slot 9, and the limiting device 8 corresponds to the slot 9. The inside of sealed lid 3 sets up stop device 8, is convenient for carry out the joint to the barrel, improves sealed 3 installation stability of lid, and then improves the whole sealed effect.

Stop device 8 includes threaded rod 81, threaded rod 81 rotates with sealed lid 3 to be connected, threaded rod 81 is located the outside one end fixedly connected with rolling disc 82 of sealed lid 3, the inner wall fixedly connected with slide bar 83 of sealed lid 3, threaded rod 81 threaded connection has motion piece 84, motion piece 84 and slide bar 83 sliding connection, the bottom fixedly connected with spacing 85 of motion piece 84, the lower extreme and the draw-in groove 9 joint of spacing 85, the upper end of spacing 85 is corresponding with the top of extrusion piece 5. When needs are installed sealed lid 3, utilize construction bolt 4 to install sealed lid 3 and barrel, then utilize stop device 8 to carry out the joint to the barrel, rotate rolling disc 82, it rotates to drive threaded rod 81, drive the motion of motion piece 84, motion piece 84 slides with slide bar 83, improve motion piece 84 motion stability, motion piece 84 motion, drive spacing 85 motion, make spacing 85 and draw-in groove 9 carry out the joint, spacing 95 restricts extrusion piece 5 simultaneously, and then improve sealed lid 3 installation stability, prevent that sealed lid 3 from droing, and then improve the whole sealed effect.

The above; but are merely preferred embodiments of the utility model; the scope of the utility model is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the utility model are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a seal structure between extruder barrel, includes first barrel (1) and second barrel (2), bolt fixed connection is passed through with second barrel (2) in first barrel (1), the junction outside of first barrel (1) and second barrel (2) is provided with sealed lid (3), the both sides of sealed lid (3) are provided with construction bolt (4), sealed lid (3) through construction bolt (4) respectively with first barrel (1), second barrel (2) fixed connection, its characterized in that: the inner wall fixedly connected with extrusion piece (5) of sealed lid (3), extrusion piece (5) are corresponding with the junction of first barrel (1), second barrel (2), the first sealed pad (6) of bottom fixedly connected with of extrusion piece (5), first sealed pad (6) contact with the surface of first barrel (1), second barrel (2) respectively.

2. The sealing structure between the extruder barrels of claim 1, wherein: the bottom parts of the two sides of the sealing cover (3) are fixedly connected with second sealing gaskets (7), and the second sealing gaskets (7) are respectively contacted with the surfaces of the first barrel body (1) and the second barrel body (2).

3. The sealing structure between the extruder barrels of claim 1, wherein: limiting devices (8) are arranged on two sides of the inside of the sealing cover (3), clamping grooves (9) are formed in the side walls of the first barrel (1) and the second barrel (2), and the limiting devices (8) correspond to the clamping grooves (9).

4. A sealing structure between extruder barrels according to claim 3, wherein: stop device (8) include threaded rod (81), threaded rod (81) are rotated with sealed lid (3) and are connected, threaded rod (81) are located the outside one end fixedly connected with rolling disc (82) of sealed lid (3), the inner wall fixedly connected with slide bar (83) of sealed lid (3), threaded rod (81) threaded connection has motion piece (84), motion piece (84) and slide bar (83) sliding connection, the bottom fixedly connected with spacing (85) of motion piece (84), the lower extreme and draw-in groove (9) joint of spacing (85), the upper end of spacing (85) is corresponding with the top of extrusion piece (5).