CN213256279U

CN213256279U - Three-roller extruder

Info

Publication number: CN213256279U
Application number: CN202021656395.8U
Authority: CN
Inventors: 胡显涛
Original assignee: Deqing Bofa Intelligent Technology Co Ltd
Current assignee: Guangdong Zhimei Intelligent Equipment Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-05-25
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a three-roller extruder, which belongs to the technical field of extruders and comprises a base, wherein two vertical plates are arranged on the upper surface of the base, three rotating shafts are arranged between the two vertical plates, the rotating shaft in the middle of the upper part of the base is rotationally connected with the two vertical plates, the two rotating shafts on the upper side and the lower side of the upper part of the base are respectively rotationally connected with a movable block, one end of the back surface of the rotating shaft is fixedly connected with an output shaft of a first motor, and the first three motors are respectively arranged on the vertical plates and the movable block; through setting up movable block, two-way screw rod, guide bar and slider, the limiting displacement who utilizes two-way screw rod's normal running fit guide bar makes two squeeze rolls of top and below can be close to each other or keep away from each other to realize the regulation of distance between the three squeeze roll, satisfy the extrusion processing needs of different thickness work pieces, extensive applicability, and utilize slider cooperation spout to make more stable and difficult the rocking when squeeze roll up-and-down motion.

Description

Three-roller extruder

Technical Field

The utility model belongs to the technical field of the extruder, concretely relates to three-roller extruder.

Background

The extruder is the main equipment for producing light alloy pipe, rod and section. The production and development of the full-automatic hydraulic press are not only for a century, but also have great changes, the full-automatic hydraulic press is developed from a hydraulic press with a hand operated by several million newtons to a full-automatic hydraulic press with two hundred million newtons, the types of the extruders are greatly increased, the capacity and the quantity of the extruders reflect the production technical level of an enterprise, and a country has the capacity, the quantity, the production capacity and the equipment level of the extruders and reflects the industrial development level of the country.

The distance between the three squeeze rolls in the three present rod extruders is fixed and unchangeable, can not adjust the distance between the three squeeze rolls according to actual extrusion operation needs, and the suitability is lower, and takes place the displacement easily when extrusion in-process work piece walking, leads to extrusion precision to descend easily during the work piece skew, and the function is imperfect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-roller extruder, drive two squeeze rolls through being provided with two-way screw rod and be close to each other or keep away from each other, realize the regulation of distance between the three squeeze roll, and can effectively restrict when the squeeze roll surface to the work piece walking through setting up a regulation section of thick bamboo cooperation slip ring, avoid it to take place the skew, distance between the three squeeze roll in the current three-roller extruder that provides in solving above-mentioned background is fixed unchangeable, can not adjust the distance between the three squeeze roll according to actual extrusion operation needs, the suitability is lower, and take place the displacement easily when extrusion in-process work piece walking, lead to extrusion precision to descend easily during the work piece skew, the incomplete problem of function.

In order to achieve the above object, the utility model provides a following technical scheme: a three-roller extruder comprises a base, two vertical plates are arranged on the upper surface of the base, three rotating shafts are arranged between the two vertical plates, the rotating shaft in the middle of the upper part of the base is rotationally connected with the two vertical plates, the two rotating shafts on the upper side and the lower side of the upper part of the base are respectively rotationally connected with the movable block, one end of the back surface of the rotating shaft is fixedly connected with an output shaft of the first motor, and three motors are respectively arranged on the vertical plate and the movable block, the movable block is arranged on the inner wall of the channel in a sliding way, the channel is arranged on a vertical plate, the outer surface of the rotating shaft is provided with an extrusion roller, the vertical plate on the front side above the base is welded with an installation shell, a bidirectional screw rod is rotatably arranged in the mounting shell, the top end of the bidirectional screw rod extends out of the mounting shell and is fixedly connected with an output shaft of the motor II, the motor II is installed on the installation shell, and the two movable blocks on the front side above the base are respectively in threaded connection with the two sections of threads of the bidirectional screw rod.

By adopting the scheme, the movable block, the two-way screw rod, the guide rod and the slide block are arranged, the two uppermost and lowermost extrusion rollers can be close to or away from each other by utilizing the rotation of the two-way screw rod to be matched with the limiting action of the guide rod, so that the adjustment of the distance between the three extrusion rollers is realized, the extrusion processing requirements of workpieces with different thicknesses are met, the applicability is wide, the slide block is matched with the chute to ensure that the extrusion rollers move up and down more stably and are not easy to shake, the adjusting cylinder is composed of the adjusting shell and the adjusting rod by arranging the fixing ring, the adjusting cylinder and the sliding ring, the adjusting rod can adjust the length of the adjusting shell in a sliding way, and the position of the adjusting rod is fixed by utilizing the bolt, so that the position of the sliding ring can be conveniently adjusted and fixed, the operation is convenient, the processing requirements of workpieces with different widths are met, the extrusion processing precision is improved, the applicability is wide, and the functional diversity is improved.

In the above scheme, it should be noted that the first motor and the second motor are both electrically connected to an external power supply.

As a preferred embodiment, the inner wall of the mounting shell is vertically provided with a guide rod, and the two movable blocks on the front side above the base are both slidably arranged on the outer surface of the guide rod.

By adopting the scheme, the guide rod can limit the movable block, so that the movable block cannot rotate and only can move up and down under the rotating action of the bidirectional screw rod, and the stability of the up-and-down movement is good.

As a preferred embodiment, the outer surfaces of both ends of the squeeze roller are provided with fixing rings, and the side surfaces of the two fixing rings close to each other are provided with adjusting cylinders, the end of the adjusting cylinder far away from the fixing rings is provided with a sliding ring, and the sliding ring is slidably arranged on the outer surface of the squeeze roller.

By adopting the scheme, the sliding rings slide on the surface of the extrusion roller, so that the distance between the two sliding rings on the extrusion roller can be adjusted, the distance between the two sliding rings is adjusted to be slightly larger than the width of a workpiece, the phenomenon of deviation in the process of extrusion and walking of the workpiece can be avoided, and the extrusion processing precision is effectively improved.

As a preferred embodiment, adjust a section of thick bamboo including adjusting the shell and adjusting the pole, adjust the shell and adjust the one end that the pole kept away from each other respectively with solid fixed ring and the relative side fixed connection of slip ring, the one end of adjusting the pole extends to and adjusts the shell inside, threaded mounting has the bolt on adjusting the shell, the head of bolt passes and adjusts the shell and extend to adjust the shell inside and with the surface laminating of adjusting the pole.

Adopt above-mentioned scheme, form the regulation section of thick bamboo through setting up the regulation pole and adjusting the shell, adjust the pole and can slide adjusting its length that stretches out the regulation shell to utilize the bolt to fix the position of adjusting the pole, thereby can be convenient adjust and fix the position of slip ring, convenient operation satisfies the work piece processing needs of different width, extensive applicability.

As a preferred embodiment, a limiting plate is installed at one end of the adjusting rod located in the adjusting shell, and the limiting plate is slidably installed on the inner wall of the adjusting shell.

Adopt above-mentioned scheme, through installing the limiting plate on adjusting the pole, utilize the limiting plate to slide in adjusting the shell and can support the regulation pole, make it can not take place to rock and more stable at the slip in-process, and can utilize the limiting plate to come to carry on spacingly to the regulation pole, avoid its slip in-process to break away from and adjust the shell.

As a preferred embodiment, the front and the back of the movable block are both provided with a sliding block, the front side and the back side of the inner wall of the channel are both provided with sliding grooves, and the sliding blocks are slidably connected to the inner side wall of the sliding grooves.

By adopting the scheme, the sliding block slides in the sliding groove by being installed, and then the sliding block and the sliding groove are matched to support the movable block, so that the movable block drives the extrusion roller to move up and down, and is more stable and not easy to shake.

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

the three-roller extruder is provided with the movable block, the two-way screw, the guide rod and the slide block, and the uppermost and lowermost two extrusion rollers can be close to or far away from each other by utilizing the rotation of the two-way screw and the limiting action of the guide rod, so that the adjustment of the distance between the three extrusion rollers is realized, the extrusion processing requirements of workpieces with different thicknesses are met, the applicability is wide, and the extrusion rollers are more stable and are not easy to shake when moving up and down by utilizing the slide block and the slide groove;

this three-roller extruder is through setting up solid fixed ring, adjust a section of thick bamboo and slip ring, utilize and adjust the shell and adjust the pole constitution and adjust a section of thick bamboo, it stretches out the length of adjusting the shell to adjust the pole can slide adjusting, and utilize the bolt to fix the position of adjusting the pole, thereby can be convenient adjust and fix the position of slip ring, convenient operation, satisfy the work piece processing needs of different width, and avoid the phenomenon that the work piece extrusion walking in-process takes place the skew, promote the extrusion processing precision, wide applicability, perfect function diversity.

Drawings

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

FIG. 2 is a schematic structural diagram of a right-side view section of the present invention;

FIG. 3 is a schematic structural view of the movable block of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention.

In the figure: 1. a base; 2. a vertical plate; 3. a rotating shaft; 4. a squeeze roll; 5. a first motor; 6. mounting a shell; 7. a bidirectional screw; 8. a second motor; 9. a guide bar; 10. a fixing ring; 11. an adjusting cylinder; 12. a slip ring; 13. an adjustment housing; 14. adjusting a rod; 15. a bolt; 16. a limiting plate; 17. a channel; 18. a chute; 19. a slider; 20. a movable block.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the utility model provides a three-roller extruder, including base 1, the upper surface of base 1 installs two risers 2, and be provided with three pivot 3 between two risers 2, pivot 3 in the middle of base 1 top is connected with rotating between two risers 2, two pivots 3 of upper and lower both sides above base 1 are connected with rotating between the movable block 20 respectively, pivot 3 back one end is fixed with the output shaft of motor one 5, and three motor one 5 is installed respectively on riser 2 and movable block 20, movable block 20 is installed in the inner wall of passageway 17 in a sliding manner, slider 19 is installed on the front and back of movable block 20, both sides have seted up spout 18 around the inner wall of passageway 17, slider 19 is connected in sliding manner in the inside wall of spout 18 (see fig. 1, fig. 2 and fig. 3); slide 19 slides in spout 18 through installing, and then utilizes the cooperation of slide 19 and spout 18 to support movable block 20 for movable block 20 drives squeeze roll 4 up-and-down motion in-process and more stable and difficult the rocking.

The channel 17 is arranged on the vertical plate 2, the outer surface of the rotating shaft 3 is provided with the extrusion roller 4, the vertical plate 2 on the front side above the base 1 is welded with the installation shell 6, the inner wall of the installation shell 6 is vertically provided with the guide rod 9, and the two movable blocks 20 on the front side above the base 1 are both slidably arranged on the outer surface of the guide rod 9 (see figure 2); the guide rod 9 is arranged to limit the movable block 20, so that the movable block 20 cannot rotate and only can move up and down under the rotating action of the bidirectional screw 7, and the stability of the up-and-down movement is good.

The inside of installation shell 6 rotates and installs two-way screw rod 7, and the top of two-way screw rod 7 extends installation shell 6 and with motor two 8's output shaft fixed connection, and motor two 8 is installed on installation shell 6, and two movable blocks 20 of base 1 top front side are threaded connection respectively on two sections screw threads of two-way screw rod 7.

The outer surfaces of two ends of the squeezing roller 4 are provided with fixing rings 10, one side surface of each fixing ring 10 close to each other is provided with an adjusting cylinder 11, one end of each adjusting cylinder 11 far away from the corresponding fixing ring 10 is provided with a sliding ring 12, and the sliding ring 12 is slidably arranged on the outer surface of the squeezing roller 4 (see fig. 1, 2 and 4); through being provided with slip ring 12 and sliding on squeeze roll 4 surface, and then can adjust the distance between two slip rings 12 on squeeze roll 4, adjust to both distances and slightly be greater than the work piece width, and then can avoid the work piece to extrude the phenomenon that takes place the skew of walking in-process, effectively promote extrusion machining precision.

The adjusting cylinder 11 comprises an adjusting shell 13 and an adjusting rod 14, one end of the adjusting shell 13, which is far away from the adjusting rod 14, is fixedly connected with one side face of the fixing ring 10, which is opposite to the sliding ring 12, respectively, one end of the adjusting rod 14 extends into the adjusting shell 13, a bolt 15 is installed on the adjusting shell 13 through a thread, and the head of the bolt 15 penetrates through the adjusting shell 13, extends into the adjusting shell 13 and is attached to the outer surface of the adjusting rod 14 (see fig. 1, 2 and 4); through setting up adjusting pole 14 and adjusting shell 13 and forming adjusting barrel 11, adjust pole 14 can slide adjusting its length that stretches out adjusting shell 13 to utilize bolt 15 to fix adjusting pole 14's position, thereby can be convenient adjust and fix the position of slip ring 12, convenient operation satisfies the work piece processing needs of different width, extensive applicability.

A limit plate 16 is arranged at one end of the adjusting rod 14, which is positioned in the adjusting shell 13, and the limit plate 16 is slidably arranged on the inner wall of the adjusting shell 13 (see fig. 2 and 4); through installing limiting plate 16 on adjusting pole 14, utilize limiting plate 16 to slide in adjusting shell 13 and can support adjusting pole 14, make it can not take place to rock and more stable at the slip in-process, and can utilize limiting plate 16 to come to spacing adjusting pole 14, avoid its slip in-process to break away from adjusting shell 13.

When in use, when the distance between the three extrusion rollers 4 needs to be adjusted, the control motor II 8 is started to drive the bidirectional screw 7 to rotate, further, under the limiting action of the guide rod 9, the two uppermost and lowermost squeeze rollers 4 can be close to or away from each other, so that the distance between the three squeeze rollers 4 can be adjusted, after the adjustment is completed, the distance between the two sliding rings 12 on the same squeeze roller 4 can be adjusted according to the width of a workpiece to be extruded, the adjustment is to firstly screw the bolt 15 to support the adjusting rod 14 to extend out or push the adjusting shell 13, and the adjustment is carried out until the distance between the two sliding rings 12 is slightly larger than the width of the workpiece to be processed, then, the bolt 15 is screwed in to extrude and fix the position of the adjusting rod 14, then the first starting motor 5 drives the rotating shaft 3 to rotate, and the rotating shaft 3 drives the extruding roller 4 to rotate, so that three-roller extruding operation can be carried out.

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 three-roller extruder, includes base (1), its characterized in that: the upper surface of the base (1) is provided with two vertical plates (2), three rotating shafts (3) are arranged between the two vertical plates (2), the rotating shaft (3) in the middle of the top of the base (1) is rotatably connected with the two vertical plates (2), the two rotating shafts (3) on the upper side and the lower side of the base (1) are respectively rotatably connected with the movable block (20), one end of the back surface of the rotating shaft (3) is fixedly connected with an output shaft of a motor I (5), the three motor I (5) are respectively installed on the vertical plates (2) and the movable block (20), the movable block (20) is slidably installed on the inner wall of a passage (17), the passage (17) is opened on the vertical plates (2), the outer surface of the rotating shaft (3) is provided with an extrusion roller (4), the vertical plates (2) on the front side of the top of the base (1) are welded with an installation shell (6), and the inside of the installation shell (6) is rotatably provided with a, the top end of the bidirectional screw (7) extends out of the mounting shell (6) and is fixedly connected with an output shaft of the motor II (8), the motor II (8) is mounted on the mounting shell (6), and the two movable blocks (20) on the front side above the base (1) are respectively in threaded connection with two sections of threads of the bidirectional screw (7).

2. The three-roll extruder according to claim 1, characterized in that: the inner wall of installation shell (6) is vertical installs guide bar (9), the equal slidable mounting in the surface of guide bar (9) of two movable blocks (20) of base (1) top front side.

3. The three-roll extruder according to claim 1, characterized in that: the outer surface at squeeze roll (4) both ends all is according to having solid fixed ring (10), and two solid fixed ring (10) side that are close to each other all install and adjust a section of thick bamboo (11), adjust a section of thick bamboo (11) and keep away from the one end of solid fixed ring (10) and install slip ring (12), slip ring (12) slidable mounting is at the surface of squeeze roll (4).

4. The three-roll extruder according to claim 3, characterized in that: adjust a section of thick bamboo (11) including adjusting shell (13) and adjusting pole (14), adjust shell (13) and adjust the one end that pole (14) kept away from each other respectively with solid fixed ring (10) and slip ring (12) relative side fixed connection, the one end of adjusting pole (14) extends to and adjusts inside shell (13), threaded mounting has bolt (15) on adjusting shell (13), the head of bolt (15) passes and adjusts shell (13) and extend to and adjust inside shell (13) and with the surface laminating of adjusting pole (14).

5. The three-roll extruder according to claim 4, characterized in that: the one end that adjusts pole (14) and be located regulation shell (13) is installed limiting plate (16), limiting plate (16) slidable mounting is at the inner wall of adjusting shell (13).

6. The three-roll extruder according to claim 1, characterized in that: slider (19) are all installed to the front and the back of movable block (20), spout (18) have all been seted up to both sides around passageway (17) inner wall, slider (19) sliding connection is at the inside wall of spout (18).