CN218313705U

CN218313705U - Sheet extruder

Info

Publication number: CN218313705U
Application number: CN202222662663.2U
Authority: CN
Inventors: 吴小娟; 唐建春; 秦周平
Original assignee: Jinhua Dada Paper Plastic Products Co ltd
Current assignee: Jinhua Dada Paper Plastic Products Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-17
Anticipated expiration: 2032-09-30

Abstract

The utility model belongs to the technical field of sheet extruder and specifically relates to a sheet extruder is related to, it includes the extruder body, connect in die head, the fixed connection of extruder body discharge end in die head bottom and along the guide rail of its width direction setting, respectively sliding connection in two sets of cutter unit spare of guide rail, the shifting chute that extends along its length direction is seted up to the guide rail bottom surface, cutter unit spare include sliding connection in movable block, fixed mounting in the shifting chute the mount pad of movable block bottom, set up in the mount pad just extends to the cut-off knife of die head discharge gate department, be equipped with on the guide rail and be used for the drive the actuating mechanism that the movable block removed. This application has the effect of being convenient for adjust plastic sheet side cut position.

Description

Sheet extruder

Technical Field

The present application relates to the field of sheet extruders, and more particularly, to a sheet extruder.

Background

The sheet material is a material which has resin (or monomer directly polymerized during processing) as a main component and additives such as plasticizer, filler, lubricant, colorant and the like as auxiliary components and can be molded by flowing during processing, wherein the sheet material has wide application range and can be used for manufacturing containers, storage tanks, backing plates and electric insulating materials. Also plays an important role in the field of automobile manufacturing, and nontoxic plastic sheets are used as packages in the food industry and the hospital industry.

Through the retrieval, chinese utility model patent with application number CN202021421757.5 discloses a sheet trimming mechanism for sheet extruder, and its technical essential lies in: the base is included, the top fixed mounting of base has the box, the bottom movable sleeve of box inner chamber is equipped with the connecting rod, the outside movable sleeve of connecting rod is equipped with first sleeve, the first telescopic link of first sheathed tube side fixedly connected with, the tip fixedly connected with scrubbing board of first telescopic link, the outside fixed mounting of scrubbing board has the sponge layer, the outside fixed sleeve of connecting rod is equipped with the second sleeve pipe that is located first sleeve pipe top.

In view of the above related technologies, the inventor thinks that the structure is more complicated in the foregoing solution, and the position of the cut edge cannot be adjusted, which is not highly practical.

SUMMERY OF THE UTILITY MODEL

In order to facilitate adjustment of the cutting position of the plastic sheet, the application provides a sheet extruder.

The application provides a sheet extruder adopts following technical scheme:

the utility model provides a sheet extruder, includes the extruder body, connect in the die head of extruder body discharge end, fixed connection in the die head bottom and along its width direction set up guide rail, respectively sliding connection in two sets of cutter unit spare of guide rail, the shifting chute that extends along its length direction is seted up to the guide rail bottom surface, cutter unit spare include sliding connection in the moving block of shifting chute, fixed mounting in the mount pad of moving block bottom, set up in the mount pad just extends to the cut-off knife of die head discharge gate department, be equipped with on the guide rail and be used for the drive the actuating mechanism that the moving block removed.

Preferably, the driving mechanism comprises a bidirectional threaded screw rod which is rotatably supported in the moving groove and is parallel to the length direction of the guide rail, the bidirectional threaded screw rod is provided with a positive thread section and a negative thread section, and moving blocks in the two groups of cutter assemblies are respectively in threaded connection with the positive thread section and the negative thread section.

Preferably, one end of the bidirectional threaded screw rod extends to the outside of the guide rail and is fixedly connected with a rotating handle.

Preferably, the two opposite side walls of the moving groove in the width direction are both provided with guide grooves extending along the length direction of the moving groove, and two sides of the moving block are respectively and fixedly connected with guide blocks in sliding connection with the guide grooves.

Preferably, the mounting seat comprises a fixed sleeve fixedly connected to the moving block, a threaded sleeve slidably inserted into the fixed sleeve, and a driving lead screw rotatably connected to the inside of the fixed sleeve and threadedly connected to the inside of the threaded sleeve, the inner wall of the fixed sleeve is square column-shaped, the outer wall of the threaded sleeve is matched with the inner wall of the fixed sleeve, the cut-off knife is arranged at one end of the threaded sleeve and located outside the fixed sleeve, a connecting hole is formed in one end of the fixed sleeve, which is far away from the cut-off knife, the driving lead screw is rotatably connected to the inside of the connecting hole, and an axial connecting piece is arranged between the driving lead screw and the inner wall of the connecting hole.

Preferably, one end of the driving screw rod penetrating through the connecting hole is fixedly connected with a knob.

Preferably, the axial connecting piece includes a limit ring groove which is arranged on the inner wall of the connecting hole and extends along the circumferential direction of the connecting hole, and a connecting ring which is fixedly connected with the circumferential wall of the driving screw rod and is rotatably connected in the limit ring groove.

Preferably, an installation mechanism is arranged between the cutting knife and the threaded sleeve, the installation mechanism comprises a first clamping block and a second clamping block which are respectively hinged to the end face of the threaded sleeve, a first clamping block fixedly connected to the surface of the first clamping block close to the second clamping block, and a second clamping block fixedly connected to the surface of the second clamping block close to the first clamping block, one end of the cutting knife is located between the first clamping block and the second clamping block, a first positioning hole and a second positioning hole which are respectively matched with the first clamping block and the second clamping block are formed in the cutting knife, the first clamping block and the second clamping block are respectively inserted into the first positioning hole and the second positioning hole, and the first clamping block and the second clamping block are respectively abutted to the inner wall of the fixed sleeve when located in the fixed sleeve.

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

1. through the arrangement of the matching of the guide rail and the cutter assembly, when the positions of the two groups of cutters need to be adjusted, the rotating handle is rotated to drive the bidirectional threaded lead screw to rotate, so that the moving blocks are driven to generate relative movement in the moving grooves, the distance between the two moving blocks is synchronously adjusted, the trimming width of the plastic sheet is adjusted, and the practicability is higher;

2. the guide groove is matched with the guide block, so that the moving path of the moving block in the moving groove is limited, the moving block is not easy to separate from the moving groove, and the moving block is more stable during moving;

3. by arranging the fixing sleeve, the threaded sleeve and the driving screw rod to be matched, when the cutting height of the cut-off knife in the vertical direction needs to be adjusted, the threaded sleeve in threaded connection with the driving screw rod moves along the length direction of the fixing sleeve under the limiting action of the fixing sleeve through rotating the driving screw rod, so that the cut-off knife is driven to move, and the position of the cut-off knife is convenient to adjust;

4. under the matching of the limiting ring groove and the connecting ring, the axial relative position between the fixed sleeve and the driving screw rod is limited, so that the driving screw rod is more stable in the rotating process;

5. through setting up installation mechanism, when needing to take off the cut-off knife and change, through rotating the drive lead screw, make threaded sleeve drive first grip block and second grip block and stretch out fixed cover section of thick bamboo outer wall, thereby make first grip block and second grip block overturn towards the outside, thereby make first joint piece and second joint piece break away from first locating hole and second locating hole respectively, so that take off the cut-off knife, when installing, with first locating hole of cut-off knife and second locating hole corresponding to first joint piece and second joint piece respectively, and upset first grip block and second grip block make first joint piece and second joint piece peg graft respectively in first locating hole and second locating hole, reverse rotation drive lead screw again, make the drive lead screw drive first grip block and second grip block through threaded sleeve and get into in the fixed sleeve, in order to inject the upset position of first grip block and second grip block, thereby accomplish the installation to the cut-off knife.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a cross-sectional view of a portion of the cutter assembly of the present embodiment.

FIG. 3 is a cross-sectional view of a portion of the mounting mechanism of this embodiment.

Description of the reference numerals: 1. an extruder body; 2. a die head; 3. a guide rail; 4. a cutter assembly; 5. a moving groove; 6. a moving block; 7. a mounting base; 8. a cutter; 9. a guide groove; 10. a guide block; 11. a drive mechanism; 12. a bidirectional threaded lead screw; 13. rotating the handle; 14. a fixed sleeve; 15. a threaded sleeve; 16. driving the screw rod; 17. connecting holes; 18. a knob; 19. an axial connector; 20. a limit ring groove; 21. a connecting ring; 22. an installation mechanism; 23. a first clamping block; 24. a second clamping block; 25. a first clamping block; 26. a second clamping block; 27. a first positioning hole; 28. and a second positioning hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a sheet extruder. Referring to fig. 1-3, a sheet extruder includes an extruder body 1, a die head 2 connected to a discharge end of the extruder body 1, a guide rail 3 fixedly connected to a bottom of the die head 2 and arranged along a width direction thereof, and two sets of cutter assemblies 4 respectively slidably connected to the guide rail 3, in this embodiment, the extruder body 1 is used for producing polypropylene materials.

The shifting chute 5 that extends along its length direction is seted up to 3 bottom surfaces of guide rail, cutting knife subassembly 4 includes sliding connection in the movable block 6 of shifting chute 5, fixed mounting is in the mount pad 7 of movable block 6 bottom, set up in mount pad 7 and extend to the cut-off knife 8 of die head 2 discharge gate department, the guide way 9 that extends along its length direction is all seted up to the relative both sides wall in its width direction in

movable chute

5, 6 both sides of movable block fixedly connected with sliding connection are in the guide block 10 of guide way 9 respectively, in order to prescribe a limit to the removal route of movable block 6 in movable chute 5, make movable block 6 be difficult for breaking away from movable chute 5, and more stable when removing.

The guide rail 3 is provided with a driving mechanism 11 for driving the moving block 6 to move. The driving mechanism 11 comprises a bidirectional threaded screw rod 12 which is rotatably supported in the movable groove 5 and is parallel to the length direction of the guide rail 3, one end of the bidirectional threaded screw rod 12 extends to the outside of the guide rail 3 and is fixedly connected with a rotating handle 13, the bidirectional threaded screw rod 12 is provided with a positive thread section and a negative thread section, and the movable blocks 6 in the two groups of cutter assemblies 4 are respectively in threaded connection with the positive thread section and the negative thread section.

The mount pad 7 includes fixed connection in the fixed sleeve 14 of movable block 6, the threaded sleeve 15 of slip grafting in fixed sleeve 14, rotate connect in fixed sleeve 14 and threaded connection in the drive lead screw 16 in threaded sleeve 15, wherein, the one end that fixed sleeve 14 is close to 2 discharge gates of die head is the slope setting towards the top, fixed sleeve 14 inner wall is square column, threaded sleeve 15 outer wall cooperatees with fixed sleeve 14 inner wall, cut-off knife 8 sets up in threaded sleeve 15 one end and is located fixed sleeve 14 outside, connecting hole 17 has been seted up to the one end that fixed sleeve 14 keeps away from cut-off knife 8, drive lead screw 16 rotates to be connected in connecting hole 17, one end fixedly connected with knob 18 that drive lead screw 16 passes connecting hole 17.

When the cutting height of the cut-off knife 8 in the vertical direction needs to be adjusted, the screw thread sleeve 15 connected with the driving screw rod 16 in a threaded mode moves along the length direction of the fixing sleeve 14 under the limiting effect of the fixing sleeve 14 through the rotary driving screw rod 16, and therefore the cut-off knife 8 is driven to move, and the position of the cut-off knife 8 is convenient to adjust.

An axial connecting piece 19 is arranged between the driving screw rod 16 and the inner wall of the connecting hole 17, the axial connecting piece 19 comprises a limiting ring groove 20 which is arranged on the inner wall of the connecting hole 17 and extends around the circumferential direction of the connecting hole, and a connecting ring 21 which is fixedly connected to the circumferential wall of the driving screw rod 16 and is rotatably connected into the limiting ring groove 20, and under the matching of the limiting ring groove 20 and the connecting ring 21, the axial relative position between the fixing sleeve 14 and the driving screw rod 16 is limited, so that the driving screw rod 16 is more stable in the rotating process.

Be equipped with installation mechanism 22 between cut-off knife 8 and threaded sleeve 15, installation mechanism 22 is including articulating first grip block 23 and the second grip block 24 in the 15 terminal surfaces of threaded sleeve respectively, fixed connection is in first grip block 23 near the first joint piece 25 on the surface of second grip block 24, fixed connection is in the second joint piece 26 on the surface of second grip block 24 near first grip block 23, the one end that first grip block 23 and second grip block 24 kept away from mutually articulates respectively in threaded sleeve 15 periphery department, and first grip block 23 and second grip block 24 all butt in fixed sleeve 14 inner wall when being located fixed

sleeve

14, 8 one end of cut-off knife is located between first grip block 23 and the second grip block 24, and cut-off knife 8 is last to have seted up respectively with first joint piece 25 and second joint piece 26 matched with first locating hole 27 and second locating hole 28, first joint piece 25 and second joint piece 26 are pegged graft respectively in first locating hole 27 and second locating hole 28.

When the cut-off knife 8 needs to be taken down for replacement, the driving screw rod 16 is rotated, the threaded sleeve 15 is made to drive the first clamping block 23 and the second clamping block 24 to extend out of the outer wall of the fixing sleeve 14, so that the first clamping block 23 and the second clamping block 24 can be turned towards the outer side, and the first clamping block 25 and the second clamping block 26 are respectively separated from the first positioning hole 27 and the second positioning hole 28, so that the cut-off knife 8 can be taken down.

The implementation principle of the sheet extruder in the embodiment of the application is as follows:

when the position of two sets of cut-off knives 8 need to be adjusted, through rotatory rotation handle 13, make to rotate handle 13 drive two-way screw lead screw 12 rotatory to drive movable block 6 and produce relative movement in shifting chute 5, and the interval between two movable blocks 6 of synchronous adjustment, thereby adjust the side cut width of plastic sheet, the practicality is higher.

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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A sheet extruder, characterized in that: the cutting device comprises an extruder body (1), a die head (2) connected to the discharge end of the extruder body (1), a guide rail (3) fixedly connected to the bottom of the die head (2) and arranged along the width direction of the die head, two cutter assemblies (4) respectively connected to the guide rail (3) in a sliding manner, a moving groove (5) extending along the length direction of the guide rail (3) is formed in the bottom surface of the guide rail (3), each cutter assembly (4) comprises a moving block (6) slidably connected into the moving groove (5), a mounting seat (7) fixedly mounted at the bottom of the moving block (6), and a cutter (8) arranged on the mounting seat (7) and extending to the discharge port of the die head (2), and a driving mechanism (11) used for driving the moving block (6) to move is arranged on the guide rail (3).

2. The sheet extruder according to claim 1, characterized in that: the driving mechanism (11) comprises a bidirectional threaded screw rod (12) which is rotatably supported in the moving groove (5) and is parallel to the length direction of the guide rail (3), the bidirectional threaded screw rod (12) is provided with a positive thread section and a negative thread section, and moving blocks (6) in the two groups of cutter assemblies (4) are respectively in threaded connection with the positive thread section and the negative thread section.

3. The sheet extruder according to claim 2, characterized in that: one end of the bidirectional threaded screw rod (12) extends to the outside of the guide rail (3) and is fixedly connected with a rotating handle (13).

4. The sheet extruder according to claim 1, characterized in that: the two opposite side walls of the moving groove (5) in the width direction are provided with guide grooves (9) extending along the length direction, and two sides of the moving block (6) are fixedly connected with guide blocks (10) which are connected in the guide grooves (9) in a sliding mode respectively.

5. The sheet extruder according to claim 1, characterized in that: the mounting seat (7) comprises a fixed sleeve (14) fixedly connected with the moving block (6), a threaded sleeve (15) inserted in the fixed sleeve (14) in a sliding mode, and a driving screw rod (16) rotatably connected in the fixed sleeve (14) and in the threaded sleeve (15), wherein the inner wall of the fixed sleeve (14) is in a square column shape, the outer wall of the threaded sleeve (15) is matched with the inner wall of the fixed sleeve (14), the cut-off knife (8) is arranged at one end of the threaded sleeve (15) and located outside the fixed sleeve (14), one end, far away from the cut-off knife (8), of the fixed sleeve (14) is provided with a connecting hole (17), the driving screw rod (16) is rotatably connected in the connecting hole (17), and an axial connecting piece (19) is arranged between the driving screw rod (16) and the inner wall of the connecting hole (17).

6. The sheet extruder according to claim 5, wherein: one end of the driving screw rod (16) penetrating through the connecting hole (17) is fixedly connected with a knob (18).

7. The sheet extruder according to claim 5, wherein: the axial connecting piece (19) comprises a limiting ring groove (20) which is arranged on the inner wall of the connecting hole (17) and extends along the circumferential direction of the connecting hole, and a connecting ring (21) which is fixedly connected with the circumferential wall of the driving screw rod (16) and is rotatably connected with the limiting ring groove (20).

8. The sheet extruder according to claim 5, wherein: cut-off knife (8) with be equipped with installation mechanism (22) between threaded sleeve (15), installation mechanism (22) including articulate respectively in first grip block (23) and second grip block (24), fixed connection of threaded sleeve (15) terminal surface are in first grip block (23) are close to first grip block (25), fixed connection in second grip block (24) are close to second grip block (26) on the surface of first grip block (23), cut-off knife (8) one end is located between first grip block (23) and second grip block (24), just cut-off knife (8) go up seted up respectively with first joint block (25) with second joint block (26) matched with first locating hole (27) and second locating hole (28), first joint block (25) with second joint block (26) peg graft respectively in first locating hole (27) with in second locating hole (28), first joint block (25) with second joint block (26) are in first locating hole (23) and second locating hole (28), first grip block (23) and second grip block (14) inner wall all are located when fixed sleeve (14).