CN213353480U

CN213353480U - Extrusion head structure of extrusion compounding machine

Info

Publication number: CN213353480U
Application number: CN202021906949.5U
Authority: CN
Inventors: 徐黎平
Original assignee: Hangzhou Mingri Flexible Packaging Co ltd
Current assignee: Hangzhou Mingri Flexible Packaging Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-06-04
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to a first structure is extruded to extrusion compounding machine, including installing cope match-plate pattern and the lower bolster in membrane material extruder one side, the cope match-plate pattern articulates in membrane material extruder, cope match-plate pattern and lower bolster are kept away from membrane material extruder one side and are formed the extrusion mouth that supplies the membrane material to extrude, the adjusting part that is used for adjusting extrusion mouth height is installed to cope match-plate pattern and lower bolster one side, adjusting part includes fixed connection in the mounting of membrane material extruder and rotates the gear of connecting in the cope match-plate pattern lateral wall, the meshing face that the concave formation and gear base circle movement track coincide in the mounting both sides lateral wall, set up a plurality of tooth's socket with gear engaged with along its arc trend on the meshing face of mounting. This application has the effect of adjusting comparatively labour saving and time saving.

Description

Extrusion head structure of extrusion compounding machine

Technical Field

The application relates to the field of extrusion compounding machines, in particular to an extrusion head structure of an extrusion compounding machine.

Background

An extrusion compounding machine is a device which consists of a single-screw extruder or a double-screw extruder and a compounding machine die head, wherein each extruder is used for conveying molten plastic to a compounding machine head and shaping the plastic at the machine head.

Chinese patent publication No. CN207859432U discloses a high-performance composite film blowing machine, which comprises a frame and a film material extruder arranged on one side of the frame; a funnel for inputting the film material is arranged at the upper part of one end of the film material extruder, and a multilayer annular structural die head is arranged at the other end of the film material extruder; the upper part of the die head is provided with an air ring body which is communicated with an external air supply pipe; a herringbone plate is arranged in the rack and on the upper part of the air ring body, and a first traction rubber roller is arranged on the upper part of the herringbone plate; and in the actual operation process, the film material output from the herringbone plate is drawn by the first drawing rubber roller and then drawn by the second drawing rubber roller, and finally the film material drawn by the second drawing rubber roller is conveyed to the storage box for storage.

In view of the above-mentioned related technologies, the inventor believes that the size of the extrusion outlet of the current die is fixed, and if film materials with different thicknesses need to be processed, the die and even the equipment need to be replaced, which is time-consuming and labor-consuming.

Disclosure of Invention

In order to facilitate adjusting the size of extruding the mouth, this application provides an extrusion head structure of extrusion compounding machine.

The application provides a pair of extrusion head structure of extrusion compounding machine adopts following technical scheme:

the utility model provides an extrusion compounding machine extrusion head structure, is including installing cope match-plate pattern and the lower bolster in membrane material extruder one side, the cope match-plate pattern articulates in membrane material extruder, cope match-plate pattern and lower bolster keep away from membrane material extruder one side and form the extrusion mouth that supplies the membrane material to extrude, the adjusting part that is used for adjusting extrusion mouth height is installed to cope match-plate pattern and lower bolster one side, adjusting part includes fixed connection in membrane material extruder's mounting and rotates the gear of connecting in the cope match-plate pattern lateral wall, mounting both sides lateral wall indent forms the mating surface that closes with gear base circle movement track mutually, set up a plurality of tooth's socket with gear engaged with along its arc trend on the mating surface of mounting.

By adopting the technical scheme, when the film material is extruded, the film material is extruded from the extrusion port and is cooled and formed. When the film materials with different thicknesses are needed, the distance between the upper die plate and the lower die plate needs to be adjusted, when the adjustment is carried out, the gear is rotated, the gear is meshed with the tooth grooves on the surface of the fixing piece, the gear can be driven to rotate by the gear and move along the direction of a meshing surface, the upper die rotates relative to the lower die, and the requirement for adjusting the size of the extrusion opening is met. The adjustable membrane material adjusting device has the advantages that the membrane material adjusting device can be adjusted on the basis of the same device, the membrane material requirements of more sizes are met, the adjusting mode is simple and fast, and high economic benefits are achieved.

Preferably, cope match-plate pattern one side is equipped with the connecting rod along its length direction is fixed, the connecting rod overcoat is equipped with only along the gliding axle sleeve of connecting rod length direction, the gear includes that the coaxial is fixed outside the axle sleeve and is coarse adjusting gear and the fine setting gear that the interval set up, the number of teeth of fine setting gear is greater than the number of teeth of coarse adjusting gear, the tooth's socket includes along the setting thickness direction set up with the first tooth's socket of coarse adjusting gear meshing and with the second tooth's socket of fine setting gear meshing.

By adopting the technical scheme, the gears are divided into the coarse adjustment gear and the fine adjustment gear, so that coarse adjustment can be carried out firstly, and then fine adjustment can be carried out, and the requirement of accurate adjustment can be met. When the extrusion die is adjusted, force is applied to the shaft sleeve, the shaft sleeve slides to one side, the coarse adjusting gear is embedded into the first tooth groove, the coarse adjusting gear is rotated to be close to the height of a required extrusion port, then the shaft sleeve is moved, the fine adjusting gear is embedded into the second tooth groove, and the fine adjusting gear is rotated to finish fine adjustment, so that the adjusting precision is improved.

Preferably, the diameter of the coarse adjustment gear is consistent with that of the fine adjustment gear.

By adopting the technical scheme, when the height of the extrusion opening is adjusted, generally, coarse adjustment is needed firstly and then fine adjustment is needed, when the coarse adjustment gear and the fine adjustment gear are switched, if the diameter difference between the coarse adjustment gear and the fine adjustment gear is large, the upper template needs to be slightly lifted, and then the shaft sleeve slides. When the diameters of the rough adjusting gear and the fine adjusting gear are close to be consistent, the upper template does not need to be lifted, the shaft sleeve can be moved quickly to complete conversion, and time and labor are saved.

Preferably, the connecting rod both ends all are fixed and are equipped with the spacing ring, and when the axle sleeve with keep away from the spacing ring butt of membrane material extruder one end, coarse adjusting gear and first gear engagement, when the axle sleeve with be close to the spacing ring butt of membrane material extruder one end, fine adjusting gear and second gear engagement.

Through adopting above-mentioned technical scheme, when selecting coarse adjustment or fine setting, need remove the axle sleeve, set up the spacing ring at connecting rod both ends, when the axle sleeve removed to the tip, supported the spacing ring, at this moment, fine setting gear and second gear groove complete meshing. The setting of spacing ring can prevent that the axle sleeve from removing excessively, leads to the skew of meshing, influences transmission effect.

Preferably, the two ends of the shaft sleeve are fixedly provided with first magnetic sheets, and the ends of the two limiting rings, which are close to the shaft sleeve, are fixedly provided with second magnetic sheets which are attracted with the first magnetic sheets.

Through adopting above-mentioned technical scheme, gear and tooth's socket meshing and transmission in-process, if the gear position if the skew, can lead to the cope match-plate pattern to lose the support, equipment can't continue to work. After the first magnetic sheet and the second magnetic sheet are arranged, when the shaft sleeve moves to a certain meshing position, the first magnetic sheet and the second magnetic sheet are attracted, and in the gear transmission process, the first magnetic sheet and the second magnetic sheet are attracted and not easy to move horizontally, so that the transmission is stable.

Preferably, one end of the shaft sleeve is fixedly provided with a force application rod for driving the gear to rotate relative to the upper template.

Through adopting above-mentioned technical scheme, at gear one side installation application of force pole, can reach the effect of the application of force of being convenient for, the longer the length of application of force pole, the arm of force is big more, and application of force effect is better.

Preferably, the surface of the force application rod is provided with a plurality of anti-skid lines along the circumferential direction.

Through adopting above-mentioned technical scheme, during the rotating gear, need apply force the pole application of force, for the antiskid, set up anti-skidding line at application of force pole tip, increased the friction between palm and the pole application of force, improved the stability of application of force.

Preferably, the cope match-plate pattern includes fixed connection in the storage section of membrane material extruder and fixed connection in the storage section and keeps away from the derivation section of membrane material extruder one end, membrane material extruder one end is kept away from to the lower mould slope in the storage section.

By adopting the technical scheme, in the process of extruding the membrane material, because the height of the material storage section close to one end of the extrusion port is gradually reduced, the pressure intensity is gradually increased during extrusion, the extrusion speed is increased, and the membrane material is favorably formed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the gear rotates and moves along the direction of the meshing surface at the same time, and the upper die rotates relative to the lower die, so that the effect of adjusting the height of the extrusion opening is achieved.

2. The coarse adjustment gear and the fine adjustment gear are used for adjustment in sequence, and adjustment precision is improved.

3. The setting of spacing ring can prevent that the axle sleeve from removing excessively, leads to the skew of meshing, influences transmission effect.

Drawings

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

FIG. 2 is a front sectional view of the present embodiment;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is a partial top view.

Description of reference numerals: 10. a film material extruder; 11. mounting a template; 111. a storage section; 112. a lead-out segment; 12. a lower template; 13. mounting grooves; 14. an extrusion port; 20. an adjustment assembly; 21. a fixing member; 22. a fixing plate; 23. a force application plate; 24. a mating surface; 25. an arc-shaped slot; 26. a chute; 27. a slider; 30. a connecting rod; 31. a shaft sleeve; 32. coarse gear adjustment; 33. fine adjustment of the gear; 34. a first tooth slot; 35. a second tooth slot; 40. a limiting ring; 41. a first magnetic sheet; 42. a second magnetic sheet; 43. a force application rod; 44. and (4) anti-skid lines.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses first structure is extruded to extrusion compounding machine. Referring to fig. 1 and 2, the die comprises an upper die plate 11 and a lower die plate 12 which are installed on the discharging side of a film extruder 10, and an installation groove 13 for installing the upper die plate 11 and the lower die plate 12 is formed in the discharging side of the film extruder 10 along the height direction. The lower template 12 is fixedly connected to the inner wall of the mounting groove 13, the upper template 11 is hinged to the inner wall of the mounting groove 13, and two ends of the upper template 11 abut against the film material extruder 10. Cope match-plate pattern 11 is including fixed connection in the storage section 111 and the derivation section 112 of mould material extruder, and derivation section 112 fixed connection is kept away from mould material extruder one end in storage section 111, and mould material extruder one end slope is down kept away from to storage section 111. The outlet section 112 and the lower die plate 12 are formed with an extrusion port 14 for extruding the film material on a side away from the film material extruder 10, referring to fig. 3, the film material extruder 10 is provided with an adjusting assembly 20 for adjusting the height of the extrusion port 14 on both sides.

When the compound machine works, the die material is heated and stirred, when the die material is guided out between the upper die plate 11 and the lower die plate 12, the die material is completely melted, the height of one end of the storage section 111 close to the extrusion port 14 is gradually reduced, and the pressure intensity is gradually increased during extrusion, so that the forming effect is achieved. When the thickness of the required film material is changed, the angle of the upper template 11 relative to the lower template 12 can be adjusted through the adjusting assembly 20, so that the effect of adjusting the height of the extrusion opening 14 is achieved, and great convenience is achieved.

Specifically, referring to fig. 3 and 4, the adjustment assembly 20 includes a fixing member 21 and a gear. The fixing part 21 is an L-shaped plate and comprises a fixing plate 22 and a force application plate 23, the fixing plate 22 is fixedly connected to the side wall of one side, away from the upper die plate 11, of the film extruder 10, the force application plate 23 is parallel to the side wall of the film extruder 10, the side walls of the two sides of the force application plate are recessed inwards to form a meshing surface 24 matched with the movement track of the gear base circle, and a plurality of tooth grooves meshed with the gear are formed in the meshing surface 24 along the arc-shaped trend. The side wall of the film material extruder 10 is provided with an arc-shaped groove 25, the inner wall of the arc-shaped groove 25 is also provided with a sliding groove 26 along the circumferential direction, and the sliding groove 26 is also arc-shaped. A sliding block 27 is arranged in the sliding groove 26, and the sliding block 27 always blocks the arc-shaped groove 25 and is connected to the inner wall of the sliding groove 26 in a sliding manner along the trend of the sliding groove 26. The connecting rod 30 is fixedly arranged on the side wall of the upper template 11, the connecting rod 30 penetrates through the arc-shaped groove 25 and is fixedly connected to the sliding block 27, and the gear is fixedly installed at one end, far away from the upper template 11, of the connecting rod 30.

The connecting rod 30 is sleeved with a shaft sleeve 31, and the shaft sleeve 31 slides along the length direction and is rotatably connected with the connecting rod 30. The gears comprise a coarse adjustment gear 32 and a fine adjustment gear 33 which are coaxially fixed outside the shaft sleeve 31, the coarse adjustment gear 32 and the fine adjustment gear 33 are arranged at intervals, the diameters of the coarse adjustment gear 32 and the fine adjustment gear 33 are consistent, but the number of teeth of the coarse adjustment gear 32 is less than that of the fine adjustment gear 33. The tooth grooves include a first tooth groove 34 and a second tooth groove 35 arranged in the thickness direction of the fixed member 21, the first tooth groove 34 is engaged with the coarse adjustment gear 32, and the second tooth groove 35 is engaged with the fine adjustment gear 33, but the two sets are not engaged at the same time.

The connecting rod 30 is externally fixed with two limiting rings 40, the two limiting rings 40 are arranged at intervals, when the shaft sleeve 31 is abutted to the limiting ring 40 far away from one end of the film material extruding machine 10, the coarse adjusting gear 32 is meshed with the first gear, and when the shaft sleeve 31 is abutted to the limiting ring 40 near one end of the film material extruding machine 10, the fine adjusting gear 33 is meshed with the second gear. The first magnetic sheet 41 is fixed at both ends of the shaft sleeve 31, the second magnetic sheet 42 is fixed at one side of the two limiting rings 40 close to the shaft sleeve 31, and the magnetic poles of the first magnetic sheet 41 and the second magnetic sheet 42 are opposite. In order to facilitate the force application of an operator, a force application rod 43 is fixedly arranged on one side of the shaft sleeve 31 far away from the film material extruder 10, the force application rod 43 is an L-shaped rod piece, and a plurality of anti-skid grains 44 are arranged at one end of the force application rod far away from the shaft sleeve 31.

When the height of the extrusion port 14 is adjusted, the coarse adjustment gear 32 is engaged with the first tooth groove 34, the force application rod 43 is rotated, and the shaft sleeve 31 rotates relative to the connecting rod 30 to drive the coarse adjustment gear 32 and the fine adjustment gear 33 to synchronously rotate. The coarse adjustment gear 32 is engaged with the first tooth slot 34, and rotating the coarse adjustment gear 32 drives the adjustment assembly 20 to move along the direction of the engaging surface 24, and the sliding block 27 slides in the sliding slot 26, but the sliding block 27 always blocks the arc-shaped slot 25. And after the angle is adjusted to be approximately equal, fine adjustment is carried out, force is applied to the shaft sleeve 31, the shaft sleeve 31 slides to one side, the fine adjustment gear 33 is embedded into the second gear groove 35, the force application rod 43 is rotated to drive the shaft sleeve 31 to rotate, and the adjusting assembly 20 continues to move until the upper die plate 11 is adjusted to be at a required height relative to the extrusion opening 14 of the lower die plate 12.

The implementation principle of the first structure of extrusion compounding machine extrusion of this application embodiment does: the molding material is heated and stirred, and extruded from the extrusion port 14. When the height of the extrusion port 14 is adjusted, coarse adjustment is performed first, then fine adjustment is performed, the force application rod 43 is rotated, and the gear moves along the direction of the tooth socket while rotating, so that the purpose of adjustment is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an extrusion head structure of extrusion compounding machine which characterized in that: the die comprises an upper die plate (11) and a lower die plate (12) which are installed on one side of a film material extruder (10), wherein the upper die plate (11) is hinged to the film material extruder (10), one side, far away from the film material extruder (10), of the upper die plate (11) and the lower die plate (12) forms an extrusion port (14) for extruding a film material, an adjusting assembly (20) for adjusting the height of the extrusion port (14) is installed on one side of the upper die plate (11) and one side of the lower die plate (12), the adjusting assembly (20) comprises a fixing piece (21) fixedly connected to the film material extruder (10) and a gear rotatably connected to the side wall of the upper die plate (11), meshing surfaces (24) matched with the movement track of a gear base circle are formed in the inner concave parts of the side walls on the two sides of the fixing piece (21), and a plurality of tooth grooves meshed with the gear are formed in the arc-shaped trend.

2. An extrusion compounding machine extrusion head structure according to claim 1, wherein: cope match-plate pattern (11) one side is fixed along its length direction and is equipped with connecting rod (30), connecting rod (30) overcoat is equipped with only along connecting rod (30) length direction gliding axle sleeve (31), the gear is including coaxial fixing in axle sleeve (31) outer and be coarse adjusting gear (32) and fine adjusting gear (33) that the interval set up, the number of teeth of fine adjusting gear (33) is greater than the number of teeth of coarse adjusting gear (32), the tooth's socket include along mounting (21) thickness direction set up with coarse adjusting gear (32) meshing first tooth's socket (34) and with fine adjusting gear (33) meshing second tooth's socket (35).

3. An extrusion compounding machine extrusion head structure according to claim 2, wherein: the diameter of the coarse adjusting gear (32) is consistent with that of the fine adjusting gear (33).

4. An extrusion compounding machine extrusion head structure according to claim 2, wherein: limiting rings (40) are fixedly arranged at two ends of the connecting rod (30), when the shaft sleeve (31) is abutted to the limiting ring (40) far away from one end of the film material extruding machine (10), the coarse adjusting gear (32) is meshed with the first gear, and when the shaft sleeve (31) is abutted to the limiting ring (40) close to one end of the film material extruding machine (10), the fine adjusting gear (33) is meshed with the second gear.

5. An extrusion compounding machine extrusion head structure according to claim 4, wherein: the two ends of the shaft sleeve (31) are fixedly provided with first magnetic sheets (41), and the ends, close to the shaft sleeve (31), of the two limiting rings (40) are fixedly provided with second magnetic sheets (42) which are attracted with the first magnetic sheets (41).

6. An extrusion compounding machine extrusion head structure according to claim 2, wherein: one end of the shaft sleeve (31) is fixedly provided with a force application rod (43) which is used for driving the gear to rotate relative to the upper template (11).

7. An extrusion compounding machine extrusion head structure according to claim 6, wherein: the surface of the force application rod (43) is provided with a plurality of anti-skid grains (44) along the circumferential direction.

8. An extrusion compounding machine extrusion head structure according to claim 1, wherein: the upper die plate (11) comprises a storage section (111) fixedly connected to the film material extruder (10) and a leading-out section (112) fixedly connected to the storage section (111) and far away from one end of the film material extruder (10), and one end of the film material extruder (10) far away from the storage section (111) is inclined towards the lower die.