阅读说明：本技术 一种可变换夹持直径的塑料挤出机用机筒支架 (Barrel support with changeable clamping diameter for plastic extruder ) 是由 汤细巧 于 2019-10-16 设计创作，主要内容包括：一种可变换夹持直径的塑料挤出机用机筒支架,涉及塑料挤出机技术领域,包括固定座,所述固定座的中部开设有转槽,转槽的正面开设有均匀分布的限位槽,固定座的内顶壁开设有卡槽,固定座的中部开设有卡孔,限位槽的正面滑动连接有滑块,滑块的中部固定连接有磁块一,滑块的内侧固定连接有弹簧一,弹簧一的内侧固定连接有与滑块内壁活动连接的伸缩块。该可变换夹持直径的塑料挤出机用机筒支架,通过调节盘与滑块的配合使用,固定机筒时,先将固定装置的卡孔从机筒穿过,再旋转调节盘,调节盘通过调节孔来带动滑块移动,使滑块逐渐向卡孔靠近,使伸缩块和滑块均卡紧机筒,从而达到了可夹持不同直径机筒的效果,节约生产成本。(The utility model provides a barrel support for plastic extruder of convertible centre gripping diameter, relates to plastic extruder technical field, which comprises a fixed base, the turn trough has been seted up at the middle part of fixing base, and evenly distributed's spacing groove has been seted up in the front of turn trough, and the draw-in groove has been seted up to the interior roof of fixing base, and the card hole has been seted up at the middle part of fixing base, and the positive sliding connection of spacing groove has the slider, and the middle part fixedly connected with magnetic path one of slider, the inboard fixedly connected with spring one of slider, the inboard fixedly connected with and the flexible piece of slider inner wall swing. This barrel support for plastic extruder of convertible centre gripping diameter uses through the cooperation of adjusting disk and slider, and during fixed barrel, passes fixing device's card hole from the barrel earlier, and rotatory adjusting disk again, adjusting disk drive slider through the adjusting hole and remove, makes the slider be close to the card hole gradually, makes the equal chucking barrel of flexible piece and slider to but reached the effect of centre gripping different diameters barrels, practiced thrift manufacturing cost.)

1. The utility model provides a barrel support for plastic extruder of convertible centre gripping diameter, includes fixing base (1), its characterized in that: the middle part of the fixing seat (1) is provided with a rotary groove (2), the front of the rotary groove (2) is provided with evenly distributed limiting grooves (3), the inner top wall of the fixing seat (1) is provided with a clamping groove (4), the middle part of the fixing seat (1) is provided with a clamping hole (5), the front of the limiting groove (3) is connected with a sliding block (6) in a sliding manner, the middle part of the sliding block (6) is fixedly connected with a magnetic block I (7), the inner side of the sliding block (6) is fixedly connected with a spring I (8), the inner side of the spring I (8) is fixedly connected with a telescopic block (9) movably connected with the inner wall of the sliding block (6), the middle part of the telescopic block (9) is fixedly connected with a magnetic block II (10), the front of the sliding block (6) is fixedly connected with a limiting column (11), the middle part of the rotary groove (2) is rotatably connected with an adjusting disc, the top of the adjusting disc (12) is fixedly connected with a second spring (14), and the top of the second spring (14) is fixedly connected with a clamping block (15) rotatably connected with the top of the adjusting disc (12).

2. The barrel support for the plastic extruder with changeable clamping diameter as claimed in claim 1, wherein: the material of fixing base (1) is steel material and the bottom of fixing base (1) passes through fixing bolt and plastics extruder organism fixed connection.

3. The barrel support for the plastic extruder with changeable clamping diameter as claimed in claim 1, wherein: the rotary groove (2) is in a circular ring shape, and the maximum diameter of the rotary groove (2) is smaller than that of the fixed seat (1).

4. The barrel support for the plastic extruder with changeable clamping diameter as claimed in claim 1, wherein: the number of the limiting grooves (3) is twelve, and the limiting grooves (3) are distributed in a circular array.

5. The barrel support for the plastic extruder with changeable clamping diameter as claimed in claim 1, wherein: the clamping groove (4) is matched with the clamping block (15), the clamping groove (14) is in a sawtooth shape, and the diameter of the clamping hole (5) is equal to the inner diameter of the adjusting disc (12).

6. The barrel support for the plastic extruder with changeable clamping diameter as claimed in claim 1, wherein: the slider (6) is made of steel, the inner side of the slider (6) is provided with a movable groove matched with the telescopic block (9), the magnetic block I (7) and the magnetic block II (10) are opposite to each other in magnetic phase, and the spring I (8) is a compression spring.

7. The barrel support for the plastic extruder with changeable clamping diameter as claimed in claim 1, wherein: the material of flexible piece (9) is steel material and the shape of flexible piece (9) is the taper, the shape of spacing post (11) I cylindric and the material of spacing post (11) is steel material.

8. The barrel support for the plastic extruder with changeable clamping diameter as claimed in claim 1, wherein: the adjusting disc (12) is made of steel materials, the adjusting disc (12) is annular, the outer diameter of the adjusting disc (12) is equal to that of the rotary groove (2), and the clamping block (15) is made of steel materials.

Technical Field

The invention relates to the technical field of plastic extruders, in particular to a barrel support for a plastic extruder with a changeable clamping diameter.

Background

The plastic extruder mainly comprises a wrapping extrusion system, a transmission system and a heating and cooling system, wherein the extrusion system mainly comprises a screw, a machine barrel, a hopper, a machine head and a mold, the machine barrel is mainly used for melting and plasticizing plastic, and rubber materials are conveyed uniformly through the machine barrel and the screw.

Because the sizing material has the fused process in the barrel, so the temperature of barrel is higher, because expend with heat and contract with cold's principle, the diameter of barrel can change, and present barrel fixing device is fixed for the rigidity mostly, can not change, leads to barrel fixing device to take place to damage under the expend with heat and contract with cold effort of barrel, finally leads to the barrel to produce easily not hard up, influences production, serious production accident that may appear.

Therefore, we propose a barrel bracket for a plastic extruder with a changeable clamping diameter to solve the above problems, through the matching use of an adjusting disk and a sliding block, when the barrel is fixed, a clamping hole of a fixing device penetrates through the barrel, then the adjusting disk is rotated, the adjusting disk drives the sliding block to move through the adjusting hole, so that the sliding block gradually approaches to the clamping hole, and the telescopic block and the sliding block are clamped on the barrel, thereby achieving the effect of clamping barrels with different diameters, and through the matching use of a first magnetic block and a second magnetic block, in an initial state, the first magnetic block and the second magnetic block repel each other, so that the telescopic block extends out of the sliding block, when the barrel is heated and expanded, because of the temperature outside the barrel, the magnetism of the first magnetic block and the second magnetic block is affected, so that the magnetism is weakened, at the moment, the expansion force of the barrel can extrude the telescopic block into the sliding block, the first spring is compressed, the magnetism of the first magnetic block and the second magnetic block is recovered, the telescopic block is ejected out again and tightly clamps the machine barrel, so that the effect of changing the clamping diameter according to the expansion and contraction of the machine barrel is achieved, the problems are effectively solved, the stability of the machine barrel is improved, and the continuous production is ensured.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: the utility model provides a barrel support for plastic extruder of convertible centre gripping diameter, which comprises a fixed base, the turn trough has been seted up at the middle part of fixing base, evenly distributed's spacing groove has been seted up in the front of turn trough, the draw-in groove has been seted up to the interior roof of fixing base, the card hole has been seted up at the middle part of fixing base, the positive sliding connection of spacing groove has the slider, the middle part fixedly connected with magnetic path one of slider, the inboard fixedly connected with spring one of slider, the inboard fixedly connected with of spring one and slider inner wall swing joint's the flexible piece, the middle part fixedly connected with magnetic path two of flexible piece, the positive fixedly connected with spacing post of slider, the middle part of turn trough is rotated and is connected with the adjustment disk, the back of adjustment disk is seted up and is pegged graft and evenly distributed's regulation hole with spacing post, the top.

The invention has the following beneficial effects:

1. this barrel support for plastic extruder of convertible centre gripping diameter uses through the cooperation of adjusting disk and slider, and during fixed barrel, passes fixing device's card hole from the barrel earlier, and rotatory adjusting disk again, adjusting disk drive slider through the adjusting hole and remove, makes the slider be close to the card hole gradually, makes the equal chucking barrel of flexible piece and slider to but reached the effect of centre gripping different diameters barrels, practiced thrift manufacturing cost, reduced the production risk.

2. This convertible clamping diameter's barrel support for plastic extruder, use through the cooperation through magnetic path one and magnetic path two, under the initial condition, magnetic path one and magnetic path two repel each other, make the expansion block stretch out the slider, make when a section of thick bamboo thermal expansion, because the temperature in the barrel outside, the magnetism of magnetic path one and magnetic path two all receives the influence, lead to magnetism to weaken, at this moment, the expanding force of barrel can be with the expansion block crowded in the slider, spring one is compressed, when a section of thick bamboo cooling back, the magnetism of magnetic path one and magnetic path two resumes, make the expansion block pop out once more and chucking barrel, thereby reached can be according to the effect of the expend with heat and contract with cold transform clamping diameter of barrel, improve the stability of barrel, guarantee the continuous clear of production.

Further, the material of fixing base is steel material and the bottom of fixing base passes through fixing bolt and plastics extruder organism fixed connection, the shape of revolving groove is the ring shape and the maximum diameter of revolving groove is less than the maximum diameter of fixing base.

Furthermore, the number of the limiting grooves is twelve, the limiting grooves are distributed in a circular array, the clamping grooves are matched with the clamping blocks, the clamping grooves are in sawtooth shapes, and the diameter of the clamping holes is equal to the inner diameter of the adjusting disc.

Furthermore, the slider is made of steel, the inner side of the slider is provided with a movable groove matched with the telescopic block, the first magnetic block and the second magnetic block are opposite in magnetic phase, and the first spring is a compression spring.

Further, the material of flexible piece is steel material and the shape of flexible piece is the taper, the shape of spacing post is my cylindric and the material of spacing post is steel material.

Furthermore, the adjusting disc is made of steel materials, the adjusting disc is annular, the outer diameter of the adjusting disc is equal to that of the rotary groove, and the clamping block is made of steel materials.

Drawings

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

FIG. 2 is a schematic view of a spacing groove structure according to the present invention;

FIG. 3 is a schematic view of a slider structure according to the present invention;

FIG. 4 is a schematic view of the structure of the adjusting plate of the present invention;

FIG. 5 is an enlarged partial view of portion A of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the rotation structure of the adjusting plate according to the present invention;

FIG. 7 is a schematic diagram of the slider movement structure of the present invention;

fig. 8 is a schematic view of the structure of the expansion block of the present invention.

In the figure: the device comprises a fixing seat 1, a rotary groove 2, a limiting groove 3, a clamping groove 4, a clamping hole 5, a sliding block 6, a magnetic block I7, a spring I8, a telescopic block 9, a magnetic block II 10, a limiting column 11, an adjusting disc 12, an adjusting hole 13, a spring II 14 and a clamping block 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, a barrel support for a plastic extruder with a changeable clamping diameter comprises a fixed seat 1, wherein the fixed seat 1 plays a role of fixing each component, the fixed seat 1 is made of steel material, the bottom of the fixed seat 1 is fixedly connected with a body of the plastic extruder through a fixing bolt, a rotary groove 2 is in a circular shape, the maximum diameter of the rotary groove 2 is smaller than that of the fixed seat 1, the middle of the fixed seat 1 is provided with the rotary groove 2, the rotary groove 2 plays a role of facilitating rotation of an adjusting disc 12, the front surface of the rotary groove 2 is provided with limit grooves 3 which are uniformly distributed, the limit grooves 3 play a role of limiting the moving direction of a sliding block 6, the inner top wall of the fixed seat 1 is provided with clamping grooves 4, the clamping grooves 4 play a role of facilitating clamping of clamping blocks 15 and limiting rotation of the adjusting disc 12, the number of the limit grooves 3 is twelve and the limit grooves 3 are distributed in a circular array, the clamping grooves 4 are matched, the diameter of card hole 5 equals with the internal diameter of adjusting disk 12, and card hole 5 has been seted up at the middle part of fixing base 1, and card hole 5 is convenient for the barrel to pass, and the front sliding connection of spacing groove 3 has slider 6, and slider 6 plays the effect of transmission regulation.

The slider 6 is made of steel, a movable groove matched with a telescopic block 9 is formed in the inner side of the slider 6, a first magnetic block 7 and a second magnetic block 10 want to be opposite in magnetic phase, the first spring 8 is a compression spring, the middle of the slider 6 is fixedly connected with the first magnetic block 7, the first magnetic block 7 plays a role in repelling with the second magnetic block 10, the telescopic block 9 is made to extend out of the slider 6, the first spring 8 is fixedly connected to the inner side of the slider 6 and plays a role in elastically connecting the telescopic block 9, the telescopic block 9 is fixedly connected with the telescopic block 9 movably connected with the inner wall of the slider 6 and used for clamping and fixing a machine barrel, the telescopic block 9 is made of steel and conical, the limiting column 11 is cylindrical, the limiting column 11 is made of steel, the middle of the telescopic block 9 is fixedly connected with the second magnetic block 10, and the second magnetic block 10 plays a role in repelling magnetic property.

The positive fixedly connected with spacing post 11 of slider 6, spacing post 11 plays driven effect, the middle part of turn trough 2 is rotated and is connected with adjustment disk 12, adjustment disk 12 plays the effect of the 6 positions of adjusting slider of being convenient for, the material of adjustment disk 12 is steel material and the shape of adjustment disk 12 is the ring form, the external diameter of adjustment disk 12 equals with the external diameter of turn trough 2, the material of fixture block 15 is steel material, the regulation hole 13 of pegging graft and evenly distributed with spacing post 11 is seted up at the back of adjustment disk 12, regulation hole 13 plays and spacing post 11 joint, and be convenient for the effect of adjusting, the top fixedly connected with spring two 14 of adjustment disk 12, spring two 14 plays the effect that makes fixture block 15 pop out, the top fixedly connected with of spring two 14 rotates the fixture block 15 of being connected with adjustment disk 12 top, fixture block 15 plays the effect of placing adjustment disk 12 gyration.

The working principle is as follows: when the machine barrel is fixed, the clamping hole 5 of the fixing device penetrates through the machine barrel, the adjusting disc 12 is rotated, the adjusting disc 12 drives the sliding block 6 to move through the adjusting hole 13, the sliding block 6 is gradually close to the clamping hole 5, and the telescopic block 9 and the sliding block 6 are clamped on the machine barrel, so that the effect of clamping machine barrels with different diameters is achieved.

In an initial state, the first magnetic block 7 and the second magnetic block 10 repel each other to enable the telescopic block 9 to extend out of the sliding block 6, when the machine barrel is subjected to thermal expansion, due to the temperature outside the machine barrel, the magnetism of the first magnetic block 7 and the second magnetic block 10 is affected to weaken the magnetism, at the moment, the expansion force of the machine barrel can enable the telescopic block 9 to be extruded into the sliding block 6, the first spring 8 is compressed, after the machine barrel is cooled, the magnetism of the first magnetic block 7 and the second magnetic block 10 is recovered, the telescopic block 9 is ejected out again and tightly clamps the machine barrel, and therefore the effect that the clamping diameter can be changed according to thermal expansion and cold contraction of the machine.

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.