CN210452850U

CN210452850U - Edge cutting device of plastic product extruder

Info

Publication number: CN210452850U
Application number: CN201921206725.0U
Authority: CN
Inventors: 贺胜; 张青
Original assignee: Shanghai Jiusheng Plastic Co Ltd
Current assignee: Shanghai Jiusheng Plastic Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-05-05
Anticipated expiration: 2029-07-29

Abstract

The utility model relates to a side cut device of plastic products extruder, including the chassis, hold in the palm the area roller, press the band roller, the roller seat, cutting assembly, dead lever and brace table, roller seat and brace table are all established to two and are fixed in on the both sides of chassis respectively through the bolt, hold in the palm the band roller and establish to two side by side and the coupling in the chassis medial surface, press the band roller to establish to two the same and be located same root and hold in the palm directly over the both ends of taking the roller, press the band roller and push the edge of taking the roller to extruding the product, be provided with the roller in pressing the band roller, the roller coupling is on the roller seat, cutting assembly's tail end is equipped with the through-hole, cutting assembly passes through-hole sliding connection on the dead lever, peg graft on brace table at.

Description

Edge cutting device of plastic product extruder

Technical Field

The utility model belongs to the technical field of the technique of material processing and specifically relates to a side cut device of plastic products extruder is related to.

Background

In recent years, extruders have become more important in factory processing, and extrusion molding methods thereof have the advantages of high production efficiency and wide application range, and extruded products produced by extruders are generally wide in width and have edges with phenomena such as galling or cracking, and therefore, both sides of the extruded products need to be trimmed so as to flatten the edges of the products.

In the prior art, reference is made to a utility model patent with an authorization publication number of CN206217124U, which discloses a roll trimming mechanism of a medical high-performance film extruder, comprising a frame, a base, a slide bar, a tension wrench, a fastening wrench, a cutter and a coiling piece, wherein the frame is provided with a plurality of mutually parallel feeding rollers, the base is positioned at two sides of the frame, the slide bar is arranged on the base through the tension wrench, so that the slide bar is erected above the frame; the coiling piece is arranged below the rack through the base and is positioned at the rear side of the sliding rod; a tension wrench is arranged on the base and used for adjusting the height of the slide bar; the cutter is fixed on the sliding rod through a fastening wrench.

The deckle edge that current scheme downcut curls often can produce the pulling force that is different from the cutting direction to the deckle edge of both sides, and the pulling force through not equidirectional can make the product take place with the horizontal and vertical displacement volume of cutting direction, and this has just reduced the cutting effect of side cut.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a side cut device of plastic products extruder, the utility model discloses make the deckle edge atress of cutting point department balanced, avoid the product to cut the in-process and take place the displacement volume to improve the quality of cutting edge.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a trimming device of plastic products extruder, includes chassis, hold in the palm and take the roller, press the roller, roller holder, cutting assembly, dead lever and brace table, roller holder and brace table all establish to two and are fixed in on the both sides of chassis respectively through the bolt, hold in the palm and take the roller to establish to two and journaling in the chassis medial surface side by side, press the roller to establish to two the same and be located directly over the both ends of same root support band roller of size, press the roller and hold in the palm and take the roller to extrude the edge of product, be provided with the roller in pressing the roller, the roller journaling is on the roller holder, cutting assembly's tail end is equipped with the through-hole, cutting assembly passes through-hole sliding connection on the dead lever.

Through adopting above-mentioned technical scheme, two bearing belt rollers are placed in parallel and are propped up the product of extruding, cutting assembly stretches and cuts edge to the product of extruding between two bearing belt rollers, press the band roller and cooperate with bearing belt roller will just be downcut the deckle edge extrusion fixed make it still have along the tension of cutting direction, avoided receiving the limit device to deckle edge production be different from the pulling force of cutting direction and make the product take place horizontal displacement volume, thereby make the deckle edge hand internal balance of cutting point department, reach the effect that improves the quality of cutting.

The utility model discloses further set up to: all be provided with the same bar opening on two roller seats, the roller includes two sections of diameter variation in size, and one section surface that the diameter is short is provided with the external screw thread and stretches out in the opening, and the long section card of diameter is at the opening part, threaded connection has fixation nut on the external screw thread, the roller passes through fixation nut and external screw thread threaded connection is fixed in on the roller seat.

The utility model discloses further set up to: the outer end part of the roller shaft is provided with a blocking piece, the surface of the pinch roller is sleeved with a roller, the pinch roller is provided with an opening, the roller shaft is provided with a plurality of internal thread grooves corresponding to the opening, the internal thread grooves are sequentially arranged along the length direction of the roller shaft, the pinch roller is fixed on the roller shaft through bolts, and the roller rolls on the pinch roller.

Through adopting above-mentioned technical scheme, cylinder and pinch roller can lateral shifting on the roller, and can make pinch roller and roller fixed through bolted connection, thereby let pinch roller and cylinder can adapt to the extrusion product of different width and extrude its deckle edge, and the height of pinch roller can be adjusted to bar open-ended existence, screw the nut after reaching the take the altitude and make roller and roller seat fix, thereby make pinch roller and cylinder when meetting the extrusion product of different thickness, still can easily adapt to and extrude.

The utility model discloses further set up to: the surface of the fixing rod is polygonal, and the shape of the through hole corresponds to the shape of the cross section of the fixing rod.

Through adopting above-mentioned technical scheme, cutting assembly cup joints on the dead lever through the through-hole, and the through-hole shape on the cutting assembly corresponds with the polygon on dead lever surface to strengthened the fixed between cutting assembly and the dead lever, avoided cutting assembly to rotate along with the direction of delivery of extruding the product in the cutting process.

The utility model discloses further set up to: the inner side of a through hole formed in the tail end of the cutting assembly is provided with a threaded hole penetrating through the inside and the outside, and a fastening knob is connected to the inner thread of the threaded hole.

The utility model discloses further set up to: the fixing rod is provided with a plurality of concave holes with threads on the inner side, the concave holes are sequentially arranged along the length direction of the fixing rod, and the fastening knob can penetrate through the threaded hole and be screwed into the concave hole.

Through adopting above-mentioned technical scheme, when cutting assembly cup jointed on the dead lever, the fastening knob of screwing can make cutting assembly and dead lever be connected more fastening, and cutting assembly lateral deviation has then been avoided to fastening knob screw in shrinkage pool, and during the loosening fastening knob certain degree, can make cutting assembly along dead lever lateral shifting to reach the unedged effect of the different width products of cutting.

The utility model discloses further set up to: the fixing rod is inserted in the supporting tables and then can move in the supporting tables, one supporting table is provided with a hole with threads, the hole is in threaded connection with a rotating disc, the rotating disc penetrates through the hole and is abutted to the fixing rod, and the rotating disc is rotated to enable the fixing rod to move and enable the fixing rod to be fixedly abutted to the supporting tables.

Through adopting above-mentioned technical scheme, rotate the rotary disk along the screw thread, the rotary disk can promote the dead lever and remove, makes dead fixed in dead with a supporting bench top, and the dead lever is not hard up when avoiding cutting.

The utility model discloses further set up to: the cutting assembly comprises a cutter, a blade is inserted into the top end of the cutter, and the blade is detachably fixed on the cutter.

Through adopting above-mentioned technical scheme, the blade can be dismantled fixedly with the cutterbar, makes the blade change the blade when impaired or after the cutting edge becomes blunt, reaches the effect of guarantee high quality cutting.

The utility model discloses further set up to: two rotary pressing rollers are arranged on the front side and the rear side of the belt supporting roller along the conveying direction, and two ends of each rotary pressing roller are axially connected to the bottom frame.

Through adopting above-mentioned technical scheme, both ends around the cutting department are being pressed respectively to two commentaries on classics compression roller, make whole extrusion product more have tension to further improve the quality of cutting.

To sum up, the utility model discloses a beneficial technological effect does:

1. the belt pressing roller is matched with the belt supporting roller to extrude and fix the cut rough edges to ensure that the rough edges still have tension, the rough edges at the cutting points are uniformly stressed, and the transverse displacement of the product during cutting can not be caused, so that the cutting quality is improved;

2. the self position can be adjusted to parts homoenergetic such as pinch roller, dead lever and cutting assembly to the messenger the utility model discloses can adapt to the extrusion product of different width, thickness to cut according to the requirement of difference.

Drawings

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

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of the cutting assembly of the present invention.

In the figure, 1, a chassis; 11. a support table; 12. a roller base; 121. an opening; 13. a belt supporting roller; 14. rotating the press roll; 2. fixing the rod; 21. concave holes; 22. rotating the disc; 3. a pinch roller; 31. opening a hole; 32. a baffle plate; 33. fixing a nut; 34. a roll shaft; 35. a drum; 4. a cutter; 41. fastening a knob; 42. a blade; 43. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an extrude product bead cutter, including chassis 1, bearing belt roller 13 establishes to the same two and places side by side, and its both ends coupling is in the inboard of chassis 1, and both sides around two bearing belt rollers 13 along product direction of transfer are provided with a pressure roller 14 that changes respectively, change pressure roller 14 and bearing belt roller 13 and are located same horizontal plane, change pressure roller 14 both ends coupling in the inboard of chassis 1.

Referring to fig. 1 and 2, the device further comprises two pinch rollers 3 and a roller base 12, the two roller bases 12 are respectively fixed on the upper surfaces of two sides of the underframe 1 through bolts, the two pinch rollers 3 are respectively arranged above two ends of the same carrier roller 13, the distance between the lowest end of the pinch roller 3 and the highest end of the carrier roller 13 is smaller than the thickness of the edge of an extruded product, the pinch rollers 3 and the carrier roller 13 squeeze the edge of the extruded product, a roller shaft 34 is arranged inside the pinch roller 3, the roller shaft 34 comprises two sections with different diameters, an external thread is arranged on the surface of the section with the short diameter, a long strip-shaped opening 121 is arranged on the roller base 12, the section with the short diameter extends out of the opening 121, the section with the long diameter is clamped at the opening 121, a circular baffle 32 is connected to the outer end of the roller shaft 34, the pinch roller 3 moves transversely on the roller shaft 34, a circular opening 31 is arranged on, a plurality of internal thread grooves corresponding to the circular openings 31 are formed in the roll shaft 34, and after the edge position of an extruded product is determined, the pinch roller 3 can be fixed on the roll shaft 34 through bolt connection; the roller shaft 34 can move up and down at the strip opening 121 to determine the thickness of the edge to be extruded, after the height is determined, the roller shaft 34 is fixed with the roller seat 12 through a fixing nut 33, the outer surface of the pinch roller 3 is sleeved with a roller 35, the roller 35 can roll on the pinch roller 3, and two ends of the roller 35 are blocked by bolts for fixing the pinch roller 3 and the roller shaft 34, so that the roller 35 cannot slide out transversely.

Referring to fig. 1 and 2, the cutting device further comprises two cutting assemblies, a fixing rod 2 and a supporting table 11, the two supporting tables 11 are respectively fixed on two sides of the chassis 1 through bolts, the surface of the fixing rod 2 is hexagonal, the tail end of the cutting assembly is provided with a hexagonal through hole 43, the through hole 43 corresponds to the cross section of the fixing rod 2, the cutting assemblies are slidably connected to the fixing rod 2 through the through hole 43, the inner side of the through hole 43 is provided with an inner threaded hole penetrating through the inner side and the outer side, the threaded hole is internally threaded with a fastening knob 41, the surface of the fixing rod 2 is provided with a plurality of concave holes 21 with threads on the inner side, the concave holes 21 are sequentially arranged along the length direction of the fixing rod 2, the fastening knob 41 penetrates through the threaded hole and is screwed into the concave hole 21, the cutting assembly transversely moves on the fixing rod 2 to determine the position, the both ends of dead lever 2 are pegged graft on two brace tables 11, and dead lever 2 inserts and can transversely move and rotate in brace table 11 after in brace table 11, is equipped with a threaded hole on one of them brace table 11, and hole internal thread is connected with a rotary disk 22, and rotary disk 22 passes the hole and 2 butt-tops of dead lever, rotates rotary disk 22 and can promote the other end that dead lever 2 removed and made dead lever 2 and brace table 11 and push up to die fixedly.

Referring to fig. 3, the cutting assembly includes a cutter 4, a blade 42 is disposed at the top end of the cutter 4, the blade 42 is inserted into the cutter 4, the middle of the blade 42 is in a sharp-pointed shape, the edge of the blade 42 extends along two sides of the blade, holes with the same size are disposed at corresponding positions of the cutter 4 and the blade 42, a screw passes through the hole, a nut is disposed at the other end of the screw, and the blade 42 and the cutter 4 are fixed by the screw.

The implementation principle of the embodiment is as follows: before use, the rotating disc 22 is rotated to loosen the fixed rod 2 and the support table 11, and the fastening knob 41 at the tail end of the cutting assembly, the fixed nut 33 on the roller seat 12 and the bolt on the pinch roller 3 are loosened to facilitate easy positioning during use; when in use, the extruded product sequentially passes through the lower part of the rotary pressing roller 14, the upper parts of the two carrier rollers 13 and the lower part of the other rotary pressing roller 14 to be tensioned, then the position of the pinch roller 3 is adjusted, the roller 35 and the carrier roller 13 are pressed against the edge of the extruded product, then, the groove on the roll shaft 34, which is closest to the position of the opening 31 on the pinch roll 3 at the moment, is found, the bolt is screwed into the groove to fix the pinch roll 3, then the height of the roll shaft 34 is adjusted to be the moderate pressure of the roller 35 to the edge of the product, the fixing nut 33 is tightened to fix the roll shaft 34 and the roll seat 12, then, the fixed rod 2 is rotated to adjust the angle of the cutting assembly for cutting a product, the rotating disc 22 is rotated to push the fixed rod to move, one end of the fixed rod 2 is tightly ejected to the supporting table 11, then the cutting assembly is moved transversely to enable the cutter head to be aligned with a cutting point, and the fastening knob 41 is screwed into the corresponding concave hole 21 on the cross rod to automatically cut edges; after the use is finished, the rotating disc 22 is rotated to loosen the fixing rod 2 and the support platform 11, and the fastening knob 41 at the tail end of the cutting assembly, the fixing nut 33 on the roller seat 12 and the bolt on the pinch roller 3 are loosened.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a side cut device of plastic products extruder which characterized in that: comprises an underframe (1), a belt supporting roller (13), a belt pressing roller (3), a roller seat (12), a cutting component, a fixed rod (2) and a support platform (11), the roller seat (12) and the support platform (11) are arranged in two and are respectively fixed on two sides of the underframe (1) through bolts, the two belt supporting rollers (13) are arranged in parallel and are axially connected with the inner side surface of the bottom frame (1), the two belt pressing rollers (3) are arranged in the same size and are positioned right above the two ends of the same belt supporting roller (13), the pinch roller (3) and the carrier roller (13) squeeze the edge of the extruded product, a roll shaft (34) is arranged in the pinch roll (3), the roll shaft (34) is connected to the roll seat (12) in a shaft way, the tail end of the cutting assembly is provided with a through hole (43), the cutting assembly is connected to the fixing rod (2) in a sliding mode through the through hole (43), and two ends of the fixing rod (2) are connected to the supporting table (11) in an inserting mode.

2. The edge slitting device for a plastic product extruder as set forth in claim 1, wherein: all be provided with same bar opening (121) on two roller seats (12), roller (34) include two sections of diameter variation in size, and one section surface that the diameter is short is provided with the external screw thread and stretches out in opening (121), and the long section card of diameter is in opening (121) department, threaded connection has fixation nut (33) on the external screw thread, roller (34) carry out threaded connection through fixation nut (33) and external screw thread and are fixed in on roller seat (12).

3. The edge slitting device for a plastic product extruder as set forth in claim 2, wherein: the outer end of the roller shaft (34) is provided with a blocking piece (32), a roller (35) is sleeved on the surface of the pinch roller (3), an opening (31) is formed in the pinch roller (3), a plurality of internal thread grooves corresponding to the opening (31) are formed in the roller shaft (34), the internal thread grooves are sequentially arranged along the length direction of the roller shaft (34), the pinch roller (3) is fixed on the roller shaft (34) through bolts, and the roller (35) rolls on the pinch roller (3).

4. The edge slitting device for a plastic product extruder as set forth in claim 1, wherein: the surface of the fixing rod (2) is polygonal, and the shape of the through hole (43) corresponds to the shape of the cross section of the fixing rod (2).

5. The edge slitting device for a plastic product extruder as set forth in claim 1, wherein: a threaded hole penetrating through the inside and the outside is formed in the inner side of a through hole (43) formed in the tail end of the cutting assembly, and a fastening knob (41) is connected to the inner thread of the threaded hole.

6. The edge slitting device for a plastic product extruder as set forth in claim 5, wherein: the fixing rod (2) is provided with a plurality of concave holes (21) with threads on the inner side, the concave holes (21) are sequentially arranged along the length direction of the fixing rod (2), and the fastening knob (41) can penetrate through the threaded hole and be screwed into the concave holes (21).

7. The edge slitting device for a plastic product extruder as set forth in claim 1, wherein: the fixing rod (2) is inserted into the supporting tables (11) and then can move in the supporting tables (11), one supporting table (11) is provided with a threaded hole, the hole is connected with a rotating disc (22) in a threaded mode, the rotating disc (22) penetrates through the hole and abuts against the fixing rod (2), the rotating disc (22) is rotated to enable the fixing rod (2) to move, and the fixing rod (2) and the supporting tables (11) are fixed in a propping mode.

8. The edge slitting device for a plastic product extruder as set forth in claim 1, wherein: the cutting assembly comprises a cutter (4), a blade (42) is inserted into the top end of the cutter (4), and the blade (42) is detachably fixed on the cutter (4).

9. The edge slitting device for a plastic product extruder as set forth in claim 1, wherein: two rotary pressing rollers (14) are arranged on the front side and the rear side of the carrier roller (13) along the conveying direction, and two ends of each rotary pressing roller (14) are connected to the bottom frame (1) in a shaft mode.