CN216464871U

CN216464871U - Rotary grain cutting mechanism for liquid crystal polymer

Info

Publication number: CN216464871U
Application number: CN202123098870.1U
Authority: CN
Inventors: 张东宝; 于冉; 徐良
Original assignee: Nanjing Qingyan Polymer New Materials Co ltd
Current assignee: Nanjing Qingyan Polymer New Materials Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-05-10
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a liquid crystal polymer is with gyration pelleter mechanism, including gyration blade holder, location blade disc and eager grain blade, the outer fringe circumference evenly distributed of gyration blade holder has a plurality of blade holder teeth, one side of gyration blade holder is provided with petal form spout, the medial surface of spout is adjacent with gyration blade holder, the blade holder tooth includes vertical face and inclined plane, the sword groove has been seted up at the vertical face middle part of blade holder tooth, the locating hole has been seted up at the middle part of sword groove, the bottom of locating hole sets up to the toper inclined plane, seted up many fastening screw threads on the toper inclined plane of locating hole, the top of location blade disc is connected with a plurality of groups locating rack; through the design of the positioning cutter head, the positioning cutter head is provided with a plurality of positioning bolts which need to be used, the trouble of managing trivial parts is reduced, the positioning bolts penetrate through the granulating blades through the through holes and then are screwed with the positioning threads through the rotating handle, the fastening connection is completed, the positioning speed is high, and compared with the prior scheme, the positioning cutter head is used for respectively positioning each granulating blade and fastening each granulating blade through the bolts, and the dismounting efficiency is improved.

Description

Rotary grain cutting mechanism for liquid crystal polymer

Technical Field

The utility model relates to a macromolecular material processing technology field, in particular to liquid crystal polymer is with revolving grain cutting mechanism.

Background

Liquid crystal polymers, also known as liquid crystal polymers, are new types of polymer materials that generally become liquid crystalline under certain heating conditions, hence their name. The liquid crystal polymer material needs to be subjected to a step of cutting pellets in the manufacturing process. The traditional working principle of polymer material cutting is that a liquid crystal polymer material is melted and filtered through an extruder, and is extruded into a strip, and then the strip is cooled and solidified and then cut into particles. The development is faster at the moment of melt extrusion die face, and the melt is contacted with cooling water and directly granulated. The melt granulation has obvious advantages compared with solid granulation, the liquid crystal polymer material is scraped by the blade under the melt state, no dust is formed, the granulation shape is regular, and the packaging and the transportation are both convenient. Wherein cut grain mechanism and be the key part of liquid crystal polymer material grain cutting in-process.

Chinese patent CN201620125147.8 discloses a cut grain blade disc, belong to pelleter cutters, aim at providing the eager grain blade disc of the eager grain of a better fixed blade, its technical scheme main points are cut grain blade disc, including blade holder and blade, blade holder outer fringe circumference evenly is equipped with a plurality of teeth, one side of tooth be equipped with blade complex recess, the blade passes through bolt threaded connection with the blade holder, the blade is perpendicular with the face at blade holder place, fixed blade that can be better when the high-speed rotation of pelleter under water reduces and warp. Chinese patent CN201621458444.0 discloses a cutter device, which comprises a cutter holder, a cutter shaft and a plurality of blades arranged on the outer edge of the cutter holder, wherein a plurality of triangular installation parts are uniformly arranged on the outer edge of the cutter holder in the circumferential direction, a groove matched with the blades is arranged on one side of the installation part, the blades are fixed in the groove through bolts, the blades are perpendicular to the circumferential surface of the cutter holder, and the cutter shaft is connected with the cutter holder in a floating manner. Through adopting above-mentioned scheme, the arbor is connected the back with driving motor for the drive blade holder rotates, thereby drives the blade and carries out the cutting operation, when unexpected interference produces, because arbor and blade holder float to be connected, can have the automatically regulated of certain angle between blade holder and the arbor, thereby reduce the blade and lead to damaging because of rigid connection.

However, summarizing the above solution, it can be found that the process of disassembly and assembly between the insert and the seat is extremely cumbersome. When the degree of wear of the insert is high, it takes a long time to replace the insert from the holder. Since the manufacturing process of the liquid crystal polymer material belongs to a continuous industrial process, the use of the granulating mechanism is frequent and short replacement time is required. In order to solve the problem that the blade dismounting process is tedious, the scheme in the patent is provided.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

The utility model also aims at providing a grain mechanism is cut with gyration to liquid crystal polymer makes positioning bolt pass through the through-hole through the twist with the location screw thread after cutting the grain blade, accomplishes the fastening connection. The positioning speed is fast, for in the current scheme to each cut grain blade location respectively and through the bolt-up, improved dismouting efficiency to solve the problem that proposes among the above-mentioned background art.

In order to realize the purposes and other advantages according to the utility model, the utility model provides a grain mechanism is cut with gyration to liquid crystal polymer, technical scheme as follows:

including gyration blade holder, location blade disc and eager grain blade, the mounting hole has been seted up at the middle part of gyration blade holder, the outer fringe circumference evenly distributed of gyration blade holder has a plurality of blade holder teeth, its characterized in that:

a petal-shaped chute is arranged on one side of the rotary tool apron, the inner surfaces of the chutes are on the same circumference, the inner side surface of the chute is adjacent to the rotary tool apron, the tool apron teeth comprise a vertical surface and an inclined surface, a tool groove is formed in the middle of the vertical surface of the tool apron teeth, a positioning hole is formed in the middle of the tool groove, the bottom of the positioning hole is provided with a conical inclined surface, and a plurality of fastening threads are formed on the conical inclined surface of the positioning hole;

a circular cavity is formed in the middle of the positioning cutter disc, the inner side face of the circular cavity in the positioning cutter disc is in rotating fit with the sliding groove, a plurality of groups of positioning frames are connected to the top end of the positioning cutter disc, and the number of the positioning frames is equal to that of the cutter holder teeth;

the middle part of locating rack is provided with the screw thread seat, the middle part of screw thread seat is provided with positioning bolt, positioning bolt's one end is connected with the handle, positioning bolt's the other end sets up to the toper, positioning bolt's toper tip be provided with fastening screw-thread complex location screw thread.

Preferably, the tapered slope of the locating hole and the tapered end of the locating bolt geometrically mate.

Preferably, the number of the cutter seat teeth is 8 groups.

Preferably, the cutter groove is provided with a convex through groove structure, and the inner side surface of the cutter groove is matched with the granulating blade.

Preferably, the top end and the outer side edge of the dicing blade are respectively subjected to edging treatment.

Preferably, the middle part of one side of the granulating blade is provided with a through hole matched with the positioning bolt.

The utility model discloses at least, include following beneficial effect:

1. due to the fact that the bolts with various numbers are frequently lost or assembled, disassembled and matched when being managed and used, the positioning cutter head is provided with a plurality of positioning bolts needing to be used, and the trouble of managing trivial parts is reduced.

2. The positioning bolt penetrates through the granulating blade through the through hole and then is screwed with the positioning thread by rotating the handle, so that the fastening connection is completed. The positioning speed is fast, and for in the current scheme each grain cutting blade is fixed a position respectively and is fastened through the bolt, the dismouting efficiency has been improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a side view of a rotary tool holder;

FIG. 4 is a side view of the positioning cutterhead;

fig. 5 is a partial installation view of the positioning hole.

In the figure: 1. a rotary tool apron; 2. positioning a cutter head; 3. a dicing blade; 4. mounting holes; 5. a cutter seat tooth; 6. a chute; 7. a cutter groove; 8. positioning holes; 9. fastening threads; 10. a positioning frame; 11. a threaded seat; 12. positioning the bolt; 13. a handle; 14. and positioning the screw thread.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

According to shown in fig. 1-5, the utility model provides a grain mechanism is cut with gyration to liquid crystal polymer, technical scheme is as follows:

the cutting device comprises a rotary cutter holder 1, a positioning cutter disc 2 and a dicing cutter blade 3, wherein the top end and the outer side edge of the dicing cutter blade 3 are respectively subjected to edging treatment, a mounting hole 4 is formed in the middle of the rotary cutter holder 1, the rotary cutter holder 1 is mounted on a driving shaft through the mounting hole 4, the power of the rotary cutter holder 1 is derived from the driving shaft, a plurality of cutter holder teeth 5 are uniformly distributed in the circumferential direction of the outer edge of the rotary cutter holder 1, each cutter holder tooth 5 comprises a vertical surface and an inclined surface, a cutter groove 7 is formed in the middle of the vertical surface of each cutter holder tooth 5, the cutter groove 7 is of a convex through groove structure, the cutter groove 7 is used for mounting the dicing cutter blade 3, the inner side surface of the cutter groove 7 is matched with the dicing cutter blade 3, a positioning hole 8 is formed in the middle of the cutter groove 7, the bottom of the positioning hole 8 is arranged to be a conical inclined surface, the positioning hole 8 is used for convenient and quick positioning matching, and a plurality of fastening threads 9 are formed on the conical inclined surface of the positioning hole 8, the fastening thread 9 is used for fastening after the granulation blade 3 and the positioning hole 8 are matched;

a petal-shaped sliding groove 6 is formed in one side of the rotary cutter holder 1, the inner surfaces of the sliding grooves 6 are on the same circumference, the inner side surface of each sliding groove 6 is adjacent to the rotary cutter holder 1, a circular cavity is formed in the middle of the positioning cutter head 2, the inner side surface of the circular cavity in the positioning cutter head 2 is in running fit with the corresponding sliding groove 6, the top end of the positioning cutter head 2 is connected with a plurality of groups of positioning frames 10, the number of the positioning frames 10 is equal to that of the cutter holder teeth 5, the plurality of groups of positioning frames 10 are in rigid connection with the positioning cutter head 2, and when one group of positioning frames 10 completes a process, all other positioning frames 10 can reach preset positions;

the middle part of locating rack 10 is provided with screw thread seat 11, the middle part of screw thread seat 11 is provided with positioning bolt 12, cut grain blade 3 one side middle part seted up with positioning bolt 12 complex through-hole, positioning bolt 12's one end is connected with handle 13, handle 13's effect is realized fast fastening positioning bolt 12, positioning bolt 12's the other end sets up to the toper, the toper inclined plane of locating hole 8 and positioning bolt 12's toper tip cooperate on geometry, conical surface positioning speed is fast, positioning bolt 12's toper tip be provided with fastening thread 9 complex positioning thread 14, the interlock is accomplished fastening connection between positioning thread 14 and the positioning bolt 12.

In the above solution, when the dicing blade 3 needs to be replaced, the positioning screw 14 and the positioning bolt 12 are disengaged by rotating the handle 13, and then the positioning cutter 2 is rotated, and the positioning cutter 2 rotates in the chute 6 around the axis of the rotary cutter holder 1, so that the positioning frame 10 is disengaged from the dicing blade 3, and the dicing blade 3 is taken out of the cutter slot 7. Then, a new dicing blade 3 is inserted into the cutter groove 7, the positioning cutter head 2 is rotated to enable the positioning frame 10 to be in contact with the dicing blade 3, and the positioning bolt 12 penetrates through the dicing blade 3 through the through hole by rotating the handle 13 and then is screwed with the positioning thread 14 to complete fastening connection. The positioning speed is fast, and for in the current scheme each grain cutting blade 3 of cutting fix a position respectively and pass through the bolt-up, the dismouting efficiency has been improved. Because the bolts with various numbers are frequently lost or assembled and disassembled in the process of management and use, and the like, the trouble of managing trivial parts is reduced by the design of the positioning cutter head 2 and the positioning bolts 12 which need to be used.

In a preferred embodiment, the number of seat teeth 5 is 8.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. The utility model provides a grain mechanism is cut with gyration to liquid crystal polymer, includes gyration blade holder (1), location blade disc (2) and cuts grain blade (3), mounting hole (4) have been seted up at the middle part of gyration blade holder (1), the outer fringe circumference evenly distributed of gyration blade holder (1) has a plurality of blade holder teeth (5), its characterized in that:

one side of the rotary tool apron (1) is provided with a petal-shaped sliding groove (6), the inner surfaces of the sliding grooves (6) are arranged on the same circumference, the inner side surface of the sliding groove (6) is adjacent to the rotary tool apron (1), the tool apron teeth (5) comprise vertical surfaces and inclined surfaces, tool grooves (7) are formed in the middle of the vertical surfaces of the tool apron teeth (5), positioning holes (8) are formed in the middle of the tool grooves (7), the bottoms of the positioning holes (8) are arranged to be conical inclined surfaces, and a plurality of fastening threads (9) are formed in the conical inclined surfaces of the positioning holes (8);

a circular cavity is formed in the middle of the positioning cutter head (2), the inner side face of the circular cavity in the positioning cutter head (2) is in running fit with the sliding groove (6), a plurality of groups of positioning frames (10) are connected to the top end of the positioning cutter head (2), and the number of the positioning frames (10) is equal to that of the cutter holder teeth (5);

the middle part of locating rack (10) is provided with screw thread seat (11), the middle part of screw thread seat (11) is provided with positioning bolt (12), the one end of positioning bolt (12) is connected with handle (13), the other end of positioning bolt (12) sets up to the toper, the toper tip of positioning bolt (12) be provided with fastening screw thread (9) complex location screw thread (14).

2. The rotary granulating mechanism for liquid crystal polymers as claimed in claim 1, wherein: the conical inclined surface of the positioning hole (8) is matched with the conical end part of the positioning bolt (12) in geometric shape.

3. The rotary granulating mechanism for liquid crystal polymers as claimed in claim 1, wherein: the number of the cutter seat teeth (5) is 8 groups.

4. The rotary granulating mechanism for liquid crystal polymers as claimed in claim 1, wherein: the cutter groove (7) is of a convex through groove structure, and the inner side surface of the cutter groove (7) is matched with the granulating blade (3).

5. The rotary granulating mechanism for liquid crystal polymers as claimed in claim 1, wherein: and the top end and the outer side edge of the granulating blade (3) are respectively subjected to edging treatment.

6. The rotary granulating mechanism for liquid crystal polymers as claimed in claim 1, wherein: the middle part of one side of the granulating blade (3) is provided with a through hole matched with the positioning bolt (12).