CN210307945U

CN210307945U - Cutting mechanism of plastic uptake machine

Info

Publication number: CN210307945U
Application number: CN201921207045.0U
Authority: CN
Inventors: 张天昊; 邓菊妹
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: 2020-04-14
Anticipated expiration: 2029-07-29

Abstract

The utility model belongs to the technical field of the plastic uptake machine, a cutting mechanism of plastic uptake machine is related to, it includes cutting frame, blade mounting and cutting blade. The cutting blade comprises a blade fixing piece and a cutting frame, wherein the blade fixing piece is connected with the cutting frame in a sliding mode, a strip-shaped blind hole is formed in the blade fixing piece, an elastic bulge is arranged in the strip-shaped blind hole, the bottom end of the strip-shaped blind hole is conical, a cutting blade is inserted into the strip-shaped blind hole, and the axis of the cutting blade is parallel to the axis of the. The blade fixing piece is provided with a pin joint through hole perpendicular to the strip-shaped blind hole, a cylindrical pin is arranged in the pin joint through hole, and the inserting position of the cutting blade is more accurate under the positioning action of the cylindrical pin. A connecting countersunk through hole is formed in the blade fixing piece and parallel to the pin joint through hole, a connecting bolt penetrates through the connecting countersunk through hole and is fixed by a nut, and the position of the cutting blade in the blade fixing piece is more stable. The bolt and the cylindrical pin are both detachably and fixedly connected. The utility model discloses have the effect of conveniently changing cutting blade.

Description

Cutting mechanism of plastic uptake machine

Technical Field

The utility model belongs to the technical field of the technique of plastic uptake machine and specifically relates to a cutting mechanism of plastic uptake machine is related to.

Background

Plastic products are indispensable articles for people nowadays. The plastic sucking machine is used for processing plastic products, and how to better cut the plastic products is a concern of manufacturers. The power of the cutting mechanism is supplied by the cutting cylinder.

Chinese patent with publication number CN205766293U discloses an automatic cutting device for plastic films, which comprises a pair of pinch rolls, a cutting mechanism, a positioning and clamping mechanism and a conveying frame for conveying cut sheets, wherein the cutting mechanism comprises a cutting base, a cutting frame arranged above the cutting base and arranged in a sliding manner along the vertical direction, a cutting cylinder for driving the cutting frame to slide, and a cutting blade fixedly arranged at the bottom of the cutting frame, the cutting base is provided with a sliding cavity extending along the vertical direction, a cutting bottom die is arranged in the sliding cavity in a sliding manner, a V-shaped cutting groove matched with the cutting blade is arranged on the cutting bottom die, the positioning and clamping mechanism comprises a positioning frame, a positioning cylinder and a vacuum adsorption roll, the surface of the vacuum adsorption roll is provided with a plurality of negative pressure adsorption holes communicated with the cavity, the cavity of the vacuum adsorption roll is connected with a vacuum pump through a flexible air pipe, and can not scratch the surface of the plastic film, and the clamping force is large and is not easy to loosen, so that the cutting precision is improved, and the surface quality of the product is ensured.

The cutting blade is easy to wear after long-term working, and is inconvenient to replace due to the fixed connection of the cutting blade and the cutting frame.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cutting mechanism of plastic uptake machine, it has the advantage of conveniently changing cutting blade.

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

the utility model provides a blister machine cut mechanism, includes cuts frame, cuts blade and blade mounting, its characterized in that: the cutting frame is in a shape of a Chinese character 'ri', the cutting frame and the beam integrally connected with the cutting frame are included, the blade fixing piece and the cutting frame are connected in a sliding mode, a strip-shaped blind hole is formed in the middle of the blade fixing piece and close to the beam, the bottom end of the strip-shaped blind hole is in a conical shape, an elastic bulge is arranged at the entrance of the strip-shaped blind hole, one end, far away from the cutting edge, of the cutting blade is in a conical shape, the cutting blade is connected with the strip-shaped blind hole in an inserting mode, and a.

Through adopting above-mentioned technical scheme, cut the blade and move on the crossbeam surface and cut the paper. The cutting blade is inserted into the blade fixing piece in a plugging mode, the cutting blade is inserted into the strip-shaped blind hole through the elastic bulge in the strip-shaped blind hole, and the conical part and the elastic bulge in the strip-shaped blind hole play a role in fixing the cutting blade. When the cutting blade needs to be replaced, the cutting blade only needs to be pulled out, the cutting blade is inserted into the strip-shaped blind hole, the elastic bulge and the strip-shaped blind hole fix the cutting blade, the replacement is completed, and the replacement is convenient.

The utility model discloses further set up to: the upper part of the blade fixing part is provided with a through hole, the pin joint through hole is vertically communicated with the strip-shaped blind hole, the pin joint through hole is close to an entrance fixedly connected ring, a cylindrical pin with a handle penetrates through the middle of the ring, a circular plate is arranged on the cylindrical pin, a connecting spring is arranged between the circular plate and the ring, the connecting spring is abutted to the circular plate and the ring, and the cutting blade is provided with a cylindrical pin blind hole matched with the cylindrical pin.

Through adopting above-mentioned technical scheme, the position of cutting blade can be fixed a position to the pin joint through-hole. Lifting a handle of the cylindrical pin, enabling the circular plate to be close to the circular ring, compressing the spring, enabling the cylindrical pin to change the position, and enabling the cylindrical pin to be separated from the cutting blade; the handle of the cylindrical pin is loosened, the cylindrical pin compresses the cutting blade, and the cutting blade is positioned, so that the cutting blade can be more stable in the blade fixing piece.

The utility model discloses further set up to: the blade fixing piece is provided with a connecting countersunk through hole parallel to the pin joint through hole, a connecting bolt penetrates through the connecting countersunk through hole, the cutting blade in the strip-shaped blind hole is provided with a blade through hole at the position of the connecting countersunk through hole, and the end part of the connecting bolt extends out of the connecting countersunk through hole and is connected with a connecting nut in a threaded manner.

By adopting the technical scheme, the bolt penetrates through the strip blind hole, the cutting blade which is spliced with the blade fixing piece is provided with the blade through hole, and the bolt penetrates through the cutting blade and fixes the cutting blade, so that the cutting blade is more stable in the blade fixing piece.

The utility model discloses further set up to: the reciprocating screw rod is rotatably connected to the cross beam, a nut seat is connected to the reciprocating screw rod in a threaded mode, and the nut seat is connected with the blade fixing piece.

Through adopting above-mentioned technical scheme, when nut seat reciprocating motion on reciprocating screw, the blade mounting follows and carries out reciprocating motion and reciprocates and cut plastic products, simple structure cuts the effect better.

The utility model discloses further set up to: two sections of flexible dust covers are sleeved outside the reciprocating screw rod and are positioned on two sides of the nut seat.

Through adopting above-mentioned technical scheme, reciprocal lead screw rotates and drives blade mounting reciprocating motion and cuts, and reciprocal lead screw overcoat dust cover makes reciprocal lead screw and the product of cutting separate, avoids reciprocal lead screw to cover the dirt.

The utility model discloses further set up to: the cutting frame is fixedly connected with the cutting seat, the cutting seat is parallel to the cross beam, and the damping pad is bonded on the surface, close to the cutting seat, of the blade fixing piece.

Through adopting above-mentioned technical scheme, because work can produce the vibration, the blade mounting can with cut the seat striking being done the reciprocating motion process, the blade mounting with cut the cushion between the seat and can play the effect that alleviates the striking.

The utility model discloses further set up to: a vertical connecting rod through hole is formed in the top of the cutting frame, a transmission connecting rod penetrates through the connecting rod through hole, one end, far away from the cross beam, of the transmission connecting rod is connected with a sleeve in a threaded mode, a spring is sleeved on the transmission connecting rod, and the spring is located between the sleeve and the cutting frame.

By adopting the technical scheme, the sleeve is rotated to change the position of the sleeve fixed on the transmission connecting rod, so that the stroke of the transmission connecting rod is changed. The spring that is equipped with between sleeve and the cutting frame can play the absorbing effect in the transmission connecting rod motion process.

The utility model discloses further set up to: the blade fixing piece is provided with a convex block, and the convex block is abutted against the end part of the strip-shaped blind hole.

By adopting the technical scheme, the cutting blade extends out of the blade fixing piece, the cutting blade is easy to break in the working process of the cutting blade, and the projection is arranged on the surface of the cutting blade, which is perpendicular to the movement direction of the cutting blade, so that the risk of breaking the cutting blade can be reduced.

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

1. the cutting blade is inserted into the blade fixing piece through the strip-shaped blind hole, and can be detached after being pulled out when the blade is replaced, so that the effect of conveniently detaching the cutting blade is realized;

2. through the setting of blade mounting, cutting blade and connecting bolt, connecting bolt connects blade mounting and cutting blade, makes the position of cutting blade in the blade mounting difficult the rocking, reduces cutting blade and rolls over and decreases, improves work efficiency, and connecting bolt conveniently dismantles simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic cross-sectional view taken along the line K-K in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along the direction J-J in FIG. 1;

fig. 4 is an enlarged schematic view of a portion a of fig. 3.

In the drawings, 1, a cutting blade; 2. a blade mount; 3. a reciprocating screw; 4. a cutting frame; 11. a blade groove; 12. a cylindrical pin blind hole; 13. a blade through hole; 21. strip-shaped blind holes; 211. an elastic bulge; 22. the through hole is pinned; 221. a circular ring; 222. a cylindrical pin; 223. a circular plate; 224. a connecting spring; 23. connecting the countersunk through holes; 231. a connecting bolt; 232. a connecting nut; 233. a gasket; 24. a bump; 25. a shock pad; 31. a lead screw supporting seat; 311. a lead screw through hole; 32. a nut seat; 33. a dust cover; 41. cutting the frame; 42. a cross beam; 43. a cutting seat; 44. cutting the board; 45. a transmission connecting rod; 451. a connecting rod through hole; 452. a sleeve; 453. a spring.

Detailed Description

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

Example (b):

the utility model discloses a cutting mechanism of plastic uptake machine, as shown in figure 1, comprising a cutting frame 4, a feeding mechanism and a cutting blade 1. The cutting frame 4 is in a shape of a 'day' and comprises a cutting frame 41 and a cross beam 42. The cutting frame is provided with a cutting seat 43 and a cutting plate 44. The cutting frame 41 is formed in a shape of a square, and the cross member 42 is integrally connected to an intermediate position of the cutting frame 41. The cutting seat 43 is parallel to the cross beam 42 and fixed on the cutting frame 41, the cutting seat 43 presses the cross beam 42, and the cutting plate 44 is parallel to the cutting seat 43 and slides vertically on the cutting frame 41 to fix the plastic product.

As shown in fig. 1 and 2, the feeding mechanism includes a transmission link 45, a reciprocating lead screw 3 and a blade fixing member 2, the transmission link 45 passes through the cutting frame 41 and is fixed with the cutting plate 44, the reciprocating lead screw 3 is fixedly connected to the cross beam 42, and the reciprocating lead screw 3 fixes the blade fixing member 2 through the nut seat 32. The blade fixing piece 2 is inserted and fixed with the cutting blade 1. The transmission connecting rod 45 moves to drive the cutting plate 44 to move longitudinally relative to the cutting seat 43; the reciprocating screw 3 moves to drive the cutting blade 1 to move transversely relative to the cutting seat 43, so that the plastic products passing between the cutting seat 43 and the cutting plate 44 are cut.

As shown in fig. 1, the cutting frame 41 is divided into two parts by a cross member 42, the upper part being a working part and the lower part being a supporting part. The cutting action is performed in the cross beam 42 as well as in the working part. The top of the cutting frame 41 is provided with a vertical connecting rod through hole 451, the transmission connecting rod 45 passes through the connecting rod through hole 451 and is fixedly connected with the cutting plate 44, and the inner side of the cutting frame 41 is connected with two ends of the cutting plate 44 in a sliding way. The driving link 45 moves to drive the cutting plate 44 to slide downwards in the cutting frame 41, and the plastic product is fixed.

As shown in fig. 1, one end of the transmission link 45 away from the cutting plate 44 is connected with a sleeve 452 in a threaded manner, a spring 453 is sleeved on the transmission link 45, and two ends of the spring 453 respectively abut against the sleeve 452 and the cutting frame 41. Twisting the sleeve 452 changes the position of the sleeve 452 on the drive link 45, and the drive link 45 is restricted in movement by the sleeve 452, thereby changing the spacing between the cutting plate 44 and the cutting block 43, which is suitable for fixing plastic products of different heights.

As shown in fig. 1 and fig. 2, the two ends of the cross beam 42 are bolted to the lead screw supporting seats 31, the lead screw supporting seats 31 are rectangular, a lead screw through hole 311 is formed in the middle of each lead screw supporting seat 31, the lead screw through hole 311 is rotatably connected to the reciprocating lead screw 3, and the reciprocating lead screw 3 is in threaded connection with the nut seat 32. The reciprocating screw rod 3 rotates to drive the nut seat 32 to reciprocate.

Referring to fig. 1 and 2, the cutting blade 1 cuts plastic products to pollute the reciprocating screw 3, two sections of flexible dust covers 34 are sleeved outside the reciprocating screw 3, the dust covers 34 are positioned on two sides of the nut seat 32, the plastic products and the reciprocating screw 3 can be isolated, the cleaning of the reciprocating screw 3 is ensured, and the cutting blade 1 can stably move.

Referring to fig. 2 and 3, the blade holder 2 is bolted to the nut base 32, so that the position between the blade holder 2 and the nut base 32 is fixed, and the reciprocating screw 3 rotates to drive the blade holder 2 to reciprocate.

As shown in fig. 3 and 4, a strip-shaped blind hole 211 is formed in the middle of the blade fixing member 2 close to the cross beam 42, the orifice of the strip-shaped blind hole 211 is long, and the cutting blade 1 is inserted into the strip-shaped blind hole 21. The cutting blade 1 is close to the cross beam 42, the formed gap is small, and the plastic product is cut more accurately.

As shown in fig. 2 and 3, an elastic bulge 211 is arranged at the inlet of the strip-shaped blind hole 21, and a blade groove 11 is formed at the corresponding position of the cutting blade 1; the bottom end of the strip-shaped blind hole 21 is conical, and the corresponding position of the cutting blade 1 is conical. When the cutting blade 1 is inserted into the blade fixing member 2, the elastic protrusion 211 and the tapered bottom end of the strip-shaped blind hole 21 can strengthen the fixing effect of the blade fixing member 2 on the cutting blade 1.

As shown in fig. 2 and 3, the blade holder 2 is provided with a pin through hole 22, the axis of the pin through hole 22 is perpendicular to the center line of the strip through hole 21, a circular ring 221 is fixedly connected at the entrance of the pin through hole 22, a cylindrical pin 222 with a handle fixedly connected with the circular plate 223 penetrates through the circular ring 221 and is inserted into the strip blind hole 21, a cylindrical pin blind hole 12 matched with the cylindrical pin 222 is formed in the cutting blade 1 in the strip blind hole 21, and the cylindrical pin 223 is inserted into the cutting blade 1. The position of the pin-joint through hole 22 is fixed, so that the position of the cylindrical pin 222 is fixed, and the cylindrical pin 222 is inserted into the cutting blade 1, so that the position of the cutting blade 1 is positioned, and the cutting blade is positioned accurately.

Referring to fig. 2 and 3, a connecting countersunk through hole 23 is formed in the blade fixing member at a position parallel to the pin connecting through hole, a blade through hole 13 is formed in the cutting blade 1 inserted in the strip blind hole 21 at a corresponding position, and a connecting bolt 231 penetrates through the connecting countersunk through hole 23 and is fixedly connected with the connecting nut 232 and the gasket 233. The connection bolt 231 fixes the blade fixing part 2 and the cutting blade 1, thereby making the cutting blade 1 work more stably.

Referring to fig. 2 and 3, radial vibration is generated during the rotation of the reciprocating screw rod 3, which causes collision between the blade holder 2 and the cross beam 42, and the shock absorption pad 25 is adhered to the blade holder 2, which can reduce the collision of the blade holder 2 to the cross beam 42 and protect the blade holder 2 and the cross beam 42.

As shown in fig. 2 and 3, the cutting blade 1 is inserted into the blade holder 2, the portion of the cutting blade 1 extending out of the blade holder 2 is easily broken due to working vibration and improper force applied to the plastic product by the cutting blade 1 during cutting the plastic product, and the blade holder 2 is provided with a projection 25 which abuts against the end of the bar-shaped blind hole. The provision of the projection slows down the breakage rate of the cutting blade 1.

The specific implementation mode is as follows: the transmission connecting rod 45 moves towards the cross beam 42 to drive the cutting plate 44 to press the cutting seat 43; the reciprocating screw 3 rotates to drive the nut seat 32 to move along the cutting edge direction of the cutting blade 1, and drives the blade fixing part 2 to move, so that the cutting blade 1 is driven to slide above the side of the cutting seat 43 to cut plastic products. The transmission connecting rod 45 moves away from the cross beam 42 to drive the cutting plate 44 to be separated from the cutting seat 43; the reciprocating screw 3 rotates to drive the nut seat 32 to move along the direction of the back of the cutting blade 1, and drive the blade fixing part 2 to move, so that the cutting blade 1 returns to the initial position.

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 blister machine cut mechanism, includes cutting frame (4), cutting blade (1) and blade mounting (2), its characterized in that: cut frame (4) and be "day" shape, including cutting frame (41) and with crossbeam (42) that cut frame (41) an organic whole connection, blade mounting (2) and cut frame (4) sliding connection, be close to crossbeam (42) department in the middle of blade mounting (2) and open strip blind hole (21), strip blind hole (21) bottom is the taper, and strip blind hole (21) entrance is equipped with elastic bulge (211), and the one end of keeping away from the cutting edge of cutting blade (1) is the taper, cuts blade (1) and pegs graft with strip blind hole (21), cuts blade (1) and goes up to locate to open blade recess (11) corresponding to elastic bulge (211).

2. The cutting mechanism of the vacuum forming machine according to claim 1, wherein: overhead switch-on hole (22) on blade mounting (2), pin joint through-hole (22) communicate bar blind hole (21) perpendicularly, and pin joint through-hole (22) are close to entrance fixed connection ring (221), pass cylindric lock (222) that have the handle in the middle of ring (221), are equipped with plectane (223) on cylindric lock (222), are equipped with between plectane (223) and ring (221) connecting spring (224), and connecting spring (224) are inconsistent with plectane (223) and ring (221), cylindric lock blind hole (12) with cylindric lock (222) matched with have been seted up in cutting blade (1).

3. The cutting mechanism of the vacuum forming machine according to claim 2, wherein: the cutting blade fixing piece (2) is provided with a connecting countersunk head through hole (23) parallel to the pin joint through hole (22), a connecting bolt (231) penetrates through the connecting countersunk head through hole (23), a cutting blade (1) in the strip-shaped blind hole (21) is provided with a blade through hole (13) at the position of the connecting countersunk head through hole (23), and the end part of the connecting bolt (231) extends out of the connecting countersunk head through hole (23) and is connected with a connecting nut (232) in a threaded manner.

4. The cutting mechanism of the vacuum forming machine according to claim 1, wherein: the reciprocating screw rod (3) is rotatably connected to the cross beam (42), a nut seat (32) is connected to the reciprocating screw rod (3) in a threaded mode, and the nut seat (32) is connected with the blade fixing piece (2).

5. The cutting mechanism of the vacuum forming machine according to claim 4, wherein: two sections of flexible dust covers (33) are sleeved outside the reciprocating screw rod (3), and the two sections of dust covers (33) are positioned on two sides of the nut seat.

6. The cutting mechanism of the vacuum forming machine according to claim 1, wherein: the cutting frame (41) is fixedly connected with a cutting seat (43), the cutting seat (43) is parallel to the cross beam (42), and a shock pad (25) is bonded on the surface, close to the cutting seat (43), of the blade fixing piece (2).

7. The cutting mechanism of the vacuum forming machine according to claim 1, wherein: vertical connecting rod through hole (451) is opened at cutting frame (4) top, has worn transmission connecting rod (45) in connecting rod through hole (451), and the one end threaded connection who keeps away from the crossbeam of transmission connecting rod (45) has sleeve (452), and the cover is equipped with spring (453) on transmission connecting rod (45), and spring (453) are located between sleeve (452) and cutting frame (4).

8. The cutting mechanism of the vacuum forming machine according to claim 1, wherein: the blade fixing piece (2) is provided with a convex block (24), and the convex block (24) is abutted against the end part of the strip-shaped blind hole (21).