CN114851507A

CN114851507A - Screw extruder

Info

Publication number: CN114851507A
Application number: CN202110154744.9A
Authority: CN
Inventors: 肖小勤
Original assignee: Jiangsu Handing Machinery Co ltd
Current assignee: Jiangsu Handing Machinery Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2022-08-05

Abstract

The invention relates to a screw extruder which comprises a machine body assembly, a base, a rack, a connecting plate, a lifting cylinder, a sliding cylinder and a rotating column, wherein the machine body assembly is fixedly arranged on the rack, the bottom of the connecting plate is in sliding fit with the base, the bottom end of the sliding cylinder is fixedly connected with the connecting plate, the lifting cylinder is in inserting fit with the sliding cylinder, the rotating column is arranged in the lifting cylinder, the bottom end of the rotating column extends into the sliding cylinder, the top end of the rotating column is provided with a first bearing, the first bearing comprises a bearing inner ring and a bearing outer ring which are in rotating fit, the rotating column is fixedly connected with the bearing inner ring, the top end of the lifting cylinder is in transmission fit with the bearing outer ring, the bearing outer ring is in transmission fit with the rack, so that the rack is driven to lift when the lifting cylinder is lifted, the rack is driven to rotate when the lifting cylinder rotates, and the rack is driven to translate when the sliding cylinder slides.

Description

Screw extruder

Technical Field

The invention relates to the technical field of extruder equipment, in particular to a screw extruder.

Background

The working principle of the existing extruder/extruder is as follows: the method comprises the following steps of carrying out hot melting on particles for manufacturing the wire sheath by PVC or PE and the like, and then conveying the particles into a machine head flange of an extruder through a screw rod, wherein the machine head flange is connected with a screw cylinder flange of the extruder, and coating the PVC or PE and the like on a cable core wire, so that the wire sheath is realized. The existing screw extruder is fixed through a rack, and the height and the position of the existing screw extruder are not easy to adjust and inconvenient to use.

Disclosure of Invention

The invention aims to provide a screw extruder which is easy to adjust and convenient to use.

In order to solve the technical problem, the screw extruder provided by the invention comprises a machine body assembly, a base, a machine frame, a connecting plate, a lifting cylinder, a sliding cylinder and a rotating column, the machine body component is fixedly arranged on the machine frame, the bottom of the connecting plate is in sliding fit with the base, the bottom end of the sliding cylinder is fixedly connected with the connecting plate, the lifting cylinder is in inserted fit with the sliding cylinder, a rotating column is arranged in the lifting cylinder, the bottom end of the rotating column extends into the sliding cylinder, a first bearing is arranged at the top end of the rotating column, the first bearing comprises a bearing inner ring and a bearing outer ring which are in running fit, the rotating column is fixedly connected with the bearing inner ring, the top end of the lifting cylinder is in transmission fit with the bearing outer ring, the bearing outer ring is in transmission fit with the frame, so that the lifting cylinder drives the rack to lift when lifting, the lifting cylinder drives the rack to rotate when rotating, and the sliding cylinder drives the rack to translate when sliding.

Further, the screw extruder still includes flange, bearing inner race and flange are fixed continuous, flange is fixed continuous with the top of a lift section of thick bamboo, flange is fixed continuous with the bottom of frame to make a lift section of thick bamboo can drive the frame lift and rotate.

Further, screw extruder still includes the sliding sleeve, the fixed top that sets up at a sliding barrel of sliding sleeve, the outer wall of sliding sleeve and a lift section of thick bamboo's inner wall clearance fit, the outer wall of rotating the post and the hole clearance fit of sliding sleeve to make a lift section of thick bamboo revolute the post rotation, the post is guided by the sliding sleeve to rotate.

Further, the bottom both ends of connecting plate set up the slider, set up on the base with slider sliding fit's linear guide to make the connecting plate follow linear guide translation.

Further, the lifting cylinder is driven by an air cylinder, an oil cylinder or an electric cylinder to lift along the sliding cylinder.

Further, the screw extruder still includes spacing split collet, spacing split collet cup joints on the sliding barrel for it is spacing to support the lifting cylinder.

Further, the machine body assembly comprises a motor, a reduction gearbox, a machine barrel and a screw rod, the motor is fixedly arranged on one side above the rack, the machine barrel is fixedly arranged on the other side above the rack, the screw rod is rotatably arranged in the machine barrel, and the motor is in transmission fit with the screw rod through the reduction gearbox, so that the machine barrel and the motor are respectively arranged on two sides of the lifting barrel.

The invention has the technical effects that: (1) compared with the prior art, the screw extruder adopts the matching of the lifting cylinder, the rotating column and the sliding cylinder, utilizes the lifting cylinder to be matched with the bearing outer ring and the frame in a lifting way, and connects the rotating column with the bearing inner ring, so that the frame and the lifting cylinder can rotate by taking the rotating shaft as an axis; (2) through the arrangement of the sliding block and the linear guide rail, the connecting plate, the sliding cylinder, the lifting cylinder and the rack can move along the linear guide rail, so that the translation adjustment of the rack and the machine body assembly is realized; the frame and the machine body assembly are ensured to be adjustable in 360 degrees, height and position so as to meet the use requirements; (3) the motor and the machine barrel are respectively arranged on two sides of the lifting barrel, so that the gravity center balance of the machine body assembly is facilitated, and the control is easy.

Drawings

The invention is described in further detail below with reference to the drawings of the specification:

FIG. 1 is a schematic view of the structure of a screw extruder of the present invention;

FIG. 2 is a left side view of the screw extruder of the present invention;

FIG. 3 is an enlarged partial schematic view of area A of FIG. 1;

FIG. 4 is an enlarged partial schematic view of region B of FIG. 2;

in the figure:

the device comprises a base 1, a rack 2, an electric box 3, a machine body assembly 4, a lifting cylinder 5, a sliding cylinder 6, a sliding sleeve 7, a rotating column 8, a first bearing 9, a connecting plate 10, a sliding block 11, a linear guide rail 12, a screw 13, a reduction gearbox 14, a machine barrel 15, a heating unit 16, a double-opening locking clamp 17, an injection molding machine head 18, a screw rod 19, a motor 20, a limiting locking clamp 21, a bearing inner ring 22, a bearing outer ring 23 and a connecting flange 24.

Detailed Description

Embodiment 1 as shown in fig. 1 to 4, a screw extruder of this embodiment includes a machine body assembly 4, a base 1, a machine frame 2, a connecting plate 10, a lifting cylinder 5, a sliding cylinder 6, and a rotating column 8, where the machine body assembly 4 is fixedly disposed on the machine frame 2, the machine body assembly 4 specifically includes a motor 20, a reduction box 14, a machine barrel 15, and a screw 19, one side above the machine frame 2 is provided with the electric box 3, the electric box 3 is provided with the motor 20, the machine barrel 15 is fixedly disposed on the other side above the machine frame 2, the screw 19 is rotatably disposed in the machine barrel 15, the motor 20 is in transmission fit with the screw 19 via the reduction box 14, the machine barrel 15 is provided with a heating unit 16, the front portion of the machine barrel 15 is provided with an injection molding machine head 18, and the injection machine head 18 is clamped with the machine barrel 15 via a double-opening locking clamp 17.

The two ends of the bottom of the connecting plate 10 are provided with sliding blocks 11 in parallel, the sliding blocks 11 and the connecting plate 10 are fixed through screws 13, and the base 1 is provided with linear guide rails 12 in sliding fit with the sliding blocks 11, so that the connecting plate 10 can move horizontally along the linear guide rails 12, and the bottom of the connecting plate 10 is in sliding fit with the base 1.

The bottom end of the sliding cylinder 6 is fixedly connected with the connecting plate 10, the lifting cylinder 5 is in plug fit with the sliding cylinder 6, and the lifting cylinder 5 is driven by an air cylinder, an oil cylinder or an electric cylinder to lift along the sliding cylinder 6.

Set up in a lift section of thick bamboo 5 and rotate post 8, in the bottom of rotating post 8 stretched into a slide section of thick bamboo 6, sliding sleeve 7 was fixed to be set up on the top of a slide section of thick bamboo 6, sliding sleeve 7's outer wall and a lift section of thick bamboo 5's inner wall clearance fit, the outer wall of rotating post 8 and sliding sleeve 7's hole clearance fit to make a lift section of thick bamboo 5 rotate around rotating post 8, rotating post 8 is led by sliding sleeve 7 when a lift section of thick bamboo 5 goes up and down.

Screw extruder still includes flange 24, the top of rotating post 8 sets up first bearing 9, first bearing 9 includes normal running fit's bearing inner race 22 and bearing outer race 23, rotating post 8 and bearing inner race 22 interference fit so that rotating post 8 and bearing inner race 22 are fixed continuous, bearing outer race 23 and flange 24 are fixed continuous, flange 24 and the top of a lift section of thick bamboo 5 link to each other through the screw is fixed so that the top of a lift section of thick bamboo 5 and bearing outer race 23 transmission fit, flange 24 and the bottom of frame 2 link to each other through the screw is fixed so that bearing outer race 23 and frame 2 transmission fit, lift section of thick bamboo 5 lift drive frame 2 goes up and down during the use, lift section of thick bamboo 5 rotates drive frame 2 and rotates, slide cartridge 8 slides along linear guide 12 and drives frame 2 translation.

Preferably, the screw extruder further comprises a limiting locking clamp 21, and the limiting locking clamp 21 is sleeved on the sliding barrel 6 and used for supporting and limiting the lifting barrel 5.

It should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious variations or modifications which fall within the spirit of the invention are intended to be covered by the scope of the present invention.

Claims

1. A screw extruder is characterized by comprising a machine body assembly, a base, a machine frame, a connecting plate, a lifting cylinder, a sliding cylinder and a rotating column, the machine body component is fixedly arranged on the machine frame, the bottom of the connecting plate is in sliding fit with the base, the bottom end of the sliding cylinder is fixedly connected with the connecting plate, the lifting cylinder is in plug-in fit with the sliding cylinder, a rotating column is arranged in the lifting cylinder, the bottom end of the rotating column extends into the sliding cylinder, a first bearing is arranged at the top end of the rotating column, the first bearing comprises a bearing inner ring and a bearing outer ring which are in running fit, the rotating column is fixedly connected with the bearing inner ring, the top end of the lifting cylinder is in transmission fit with the bearing outer ring, the bearing outer ring is in transmission fit with the frame, so that the lifting cylinder drives the rack to lift when lifting, the lifting cylinder drives the rack to rotate when rotating, and the sliding cylinder drives the rack to translate when sliding.

2. The screw extruder according to claim 1, further comprising a connecting flange, wherein the bearing outer race is fixedly connected to the connecting flange, the connecting flange is fixedly connected to a top end of the lifting cylinder, and the connecting flange is fixedly connected to a bottom end of the frame, so that the lifting cylinder can drive the frame to move up and down and rotate.

3. The screw extruder according to claim 2, further comprising a sliding sleeve, wherein the sliding sleeve is fixedly arranged at the top end of the sliding barrel, the outer wall of the sliding sleeve is in clearance fit with the inner wall of the lifting barrel, the outer wall of the rotating column is in clearance fit with the inner hole of the sliding sleeve, so that the lifting barrel rotates around the rotating column, and the rotating column is guided by the sliding sleeve.

4. The screw extruder of claim 3, wherein the connecting plate is provided with sliding blocks at two ends of the bottom thereof, and the base is provided with linear guide rails in sliding fit with the sliding blocks, so that the connecting plate can translate along the linear guide rails.

5. Screw extruder according to claim 4, wherein the lifting cylinder is driven by a pneumatic cylinder, or an oil cylinder, or an electric cylinder to lift along the sliding cylinder.

6. The screw extruder of claim 5, further comprising a limit locking clip sleeved on the sliding barrel for supporting and limiting the lifting barrel.

7. The screw extruder of claim 6, wherein the body assembly comprises a motor, a reduction gearbox, a barrel and a screw, the motor is fixedly arranged on one side above the rack, the barrel is fixedly arranged on the other side above the rack, the screw is rotatably arranged in the barrel, and the motor is in transmission fit with the screw through the reduction gearbox so that the barrel and the motor are respectively arranged on two sides of the lifting barrel.