CN214418963U

CN214418963U - Cutting positioning device of die-cutting machine

Info

Publication number: CN214418963U
Application number: CN202023144743.6U
Authority: CN
Inventors: 郭展; 胡回春
Original assignee: Wuhan Aolong Printing Packaging Design Co ltd
Current assignee: Wuhan Aolong Printing Packaging Design Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-19
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to a cutting positioner of cross cutting machine relates to the field of cross cutting machine, and it is provided with two tight pieces of clamp including setting up two risers in cardboard feeding direction both sides between two risers, is provided with on the riser to be used for driving two tight pieces of clamp and be close to each other/the actuating mechanism who keeps away from, and the conveyer belt top of cross cutting machine is provided with and is used for compressing tightly the vertical hold-down mechanism on the conveyer belt of cross cutting machine with the cardboard from vertical direction. This application has the restriction cardboard in order to avoid taking place offset or local warpage at cross cutting in-process cardboard, and then makes the cross cutting position take place the skew, leads to the effect that the yields descends.

Description

Cutting positioning device of die-cutting machine

Technical Field

The application relates to the field of die-cutting machines, in particular to a cutting positioning device of a die-cutting machine.

Background

At present, a die cutting machine is often needed to cut the edge of the paperboard in the printing and manufacturing process of the paperboard. The die cutting machine, also called as a cutting machine, a numerical control punching machine and the like, is mainly used for die cutting, indentation, gold stamping and the like of some non-metal materials such as paper boards, double faced adhesive tapes, cushion adhesives and the like, and is important equipment for packaging, processing and forming after printing.

The existing die cutting machine generally comprises a die cutting machine main body, wherein a fixing plate is arranged on the die cutting machine main body, a cutter is fixedly arranged on the fixing plate, a driving assembly for driving the cutter to do reciprocating lifting motion is arranged on the die cutting machine main body, and a conveyor belt for conveying a paperboard into the die cutting machine is arranged on a machine frame.

In the prior art, the inventor thinks that the defects exist, in the process that the paperboard is conveyed into the die cutting machine, the paperboard is easy to deviate on the conveyor belt, and meanwhile, when the cutter contacts the paperboard, the pressure of the cutter on the paperboard also easily makes the paperboard deviate to cause dislocation of cut products, so that the yield of the products is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem of cardboard offset in die-cutting process, this application provides a cutting positioner of cross cutting machine.

The application provides a cutting positioner of cross cutting machine adopts following technical scheme:

the utility model provides a cutting positioner of cross cutting machine, is including setting up two risers in cardboard feeding direction both sides, two be provided with two between the riser and press from both sides tight piece, be provided with on the riser and be used for driving two press from both sides the actuating mechanism that tight piece is close to each other/keeps away from, the conveyer belt top of cross cutting machine is provided with and is used for compressing tightly the vertical hold-down mechanism on the conveyer belt of cross cutting machine with the cardboard from vertical direction.

Through adopting above-mentioned technical scheme, when the cardboard was carried to the cross cutting machine main part in by the conveyer belt, use actuating mechanism drive setting two between two risers to press from both sides tight piece and be close to each other, press from both sides tight piece and press from both sides the cardboard from both sides until two, avoid the cardboard to take place the skew to lead to the yields to descend in cross cutting in-process position, reuse vertical hold-down mechanism compresses tightly the cardboard in vertical direction from the cardboard top, local atress department warpage not often when avoiding the cardboard to cross cutting, and then make the cross cutting position take place the skew, lead to the yields to descend.

Optionally, the driving mechanism includes a bidirectional screw, a first handle, and a speed adjusting assembly;

the two-way screw rod is simultaneously and rotatably connected to the two vertical plates along the direction perpendicular to the vertical plates, the two clamping blocks simultaneously penetrate through the two clamping blocks in a threaded manner, the two clamping blocks are respectively positioned at two axial ends of the two-way screw rod, a first handle is arranged at the end part of the two-way screw rod, which protrudes out of the outer side wall of one of the vertical plates, a limiting rod parallel to the two-way screw rod is commonly penetrated through the two vertical plates, the limiting rod is fixedly connected with the vertical plates, and the limiting rod penetrates through the two clamping blocks and is in sliding connection with the two clamping blocks;

the speed regulating assembly is arranged between the first handle and the vertical plate and used for regulating the speed of the bidirectional screw rod for driving the two clamping blocks to move oppositely.

Through adopting above-mentioned technical scheme, rotate the first in command and drive two-way lead screw and rotate, two-way lead screw drive and its threaded connection press from both sides tight piece and be close to each other or keep away from on two-way lead screw, press from both sides tight piece and be close to each other and press from both sides the cardboard tightly when two, the relative position that presss from both sides tight piece can ensure that the cardboard is located the centre of conveyer belt, guarantees the yields of follow-up cross cutting in-process, the speed governing subassembly is through the step value of adjusting the rotational speed of two-way lead screw in order to control the tight piece of clamp, avoids pressing from both sides that the step value of tight piece is too big to damage the cardboard.

Optionally, the speed regulation assembly comprises a driving gear, a rotating rod and a driven gear;

the vertical plate is connected with the conveying belt of the die-cutting machine, the rotating rod is rotatably connected to the plate surface of the vertical plate far away from the conveying belt of the die-cutting machine and can rotate around the axis of the vertical plate, the driving gear is fixedly connected with the rotating rod in a coaxial mode, a second handle is arranged on the end face of the vertical plate far away from the rotating rod, the driven gear is fixedly connected with the end portion of the vertical plate in a coaxial mode, the transmission ratio of the driving gear to the driven gear is larger than 1, and the driving gear is in meshed connection with the driven gear.

Through adopting above-mentioned technical scheme, it is close to or keeps away from each other to rotate two-way lead screw drive clamp piece, press from both sides the piece and be close to when waiting to press from both sides tight cardboard but not pressing from both sides tight cardboard near clamp piece, rotatory second handle is in order to drive the dwang, because the drive ratio of driving gear and driven gear is greater than 1, make when rotating the dwang with the same rotational speed press from both sides the step-by-step distance of piece when pressing from both sides tight piece and be less than when rotating two-way lead screw, realize the fine setting to clamp piece clamping speed, avoid two clamp pieces to press from both sides the too big and damage the cardboard of step value when pressing from both sides tight cardboard.

Optionally, the vertical pressing mechanism comprises a sleeve, a sliding rod, a pressing wheel, a lifting assembly and a pressing assembly;

the sleeve is arranged above the conveyor belt of the die cutting machine along the vertical direction, the slide rod extends and retracts in the sleeve along the vertical direction, and the pinch roller is arranged at the lower end of the slide rod;

the lifting assembly is arranged at one end, away from the conveyor belt of the die cutting machine, of the sleeve and is used for adjusting the distance between the sleeve and the conveyor belt;

the abutting component is arranged on the sliding rod and used for driving the pressing wheel to continuously press the paper board.

Through adopting above-mentioned technical scheme, at the cardboard along with the conveyer belt is carried to the in-process in the cross cutting machine main part, the interval of tight pulley and conveyer belt is adjusted to lifting unit, guarantees the tight pulley and the cardboard butt all the time under the different operating mode of cardboard thickness, supports tight back when tight pulley and cardboard, supports tight subassembly and drives the tight pulley and support tightly with the cardboard all the time, realizes keeping the effect of cardboard position in the vertical direction.

Optionally, the lifting assembly comprises a cylinder;

the cylinder is fixedly connected to the die cutting machine main body, and a piston rod of the cylinder is fixedly connected with one end, far away from the conveyor belt, of the sleeve.

Through adopting above-mentioned technical scheme, the interval between pinch roller and the conveyer belt can be adjusted to the length that adjustment cylinder piston rod stretches out the cylinder for but the different cardboard thickness of interval adaptation between pinch roller and the conveyer belt, guaranteed the effect that compresses tightly of pinch roller.

Optionally, the abutting assembly comprises an elastic piece and a lantern ring;

the lantern ring is coaxially sleeved on the sliding rod and fixedly connected with the sliding rod, the elastic piece is sleeved on the sliding rod and positioned between the lantern ring and the sleeve, one end of the elastic piece is fixedly connected with the lower end of the sleeve, and the other end of the elastic piece is fixedly connected with the upper end of the lantern ring; when the pinch roller is abutted to the paper board, the elastic piece is in a compressed state.

Through adopting above-mentioned technical scheme, when the cardboard with in the pinch roller butt, the elastic component takes place deformation by the compression, and the pinch roller remains the state that continuously compresses tightly the cardboard all the time under the deformation effect of elastic component, avoids the cardboard not atress regional warpage when being cut local atress.

Optionally, the lower end of the piston rod of the cylinder is fixedly connected with a mounting plate, and the lower end face of the mounting plate is provided with a plurality of sleeves, elastic pieces, sliding rods and pinch rollers.

Through adopting above-mentioned technical scheme, a plurality of pinch rollers compress tightly simultaneously and wait the cross cutting cardboard, promote vertical closing device's compressing tightly performance.

Optionally, the pinch roller is rotatably connected with the slide bar and made of rubber, and the rotation axis direction of the pinch roller is perpendicular to the axis direction of the slide bar and the motion direction of the conveyor belt.

By adopting the technical scheme, the pressing wheel rotationally connected with the sliding rod can also keep rotating when pressing the paper board moving along with the conveyor belt, so that the friction force between the pressing wheel and the paper board is reduced, and the influence of the pressing wheel on paper board conveying is reduced as much as possible; meanwhile, the pressing wheel made of rubber is flexible, and the possibility that the paper board is crushed by the pressing wheel is reduced.

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

1. when the paperboard is conveyed into the die cutting machine main body by the conveying belt, the driving mechanism is used for driving the two clamping blocks arranged between the two vertical plates to be close to each other until the two clamping blocks clamp the paperboard from two sides, so that the problem that the yield is reduced due to the position deviation of the paperboard in the die cutting process is avoided, the vertical pressing mechanism is used for pressing the paperboard in the vertical direction from the upper side of the paperboard, the problem that the paperboard is not stressed and warped when the paperboard is partially stressed in the die cutting process is avoided, and the die cutting position is deviated, so that the yield is reduced;

2. the second handle is rotated to drive the rotating rod, and the transmission ratio of the driving gear to the driven gear is larger than 1, so that the stepping distance of the clamping blocks when the rotating rod is rotated at the same rotating speed is smaller than the stepping distance of the clamping blocks when the bidirectional screw rod is rotated, the clamping speed of the clamping blocks is finely adjusted, and the phenomenon that the paperboard is damaged due to the overlarge stepping value when the two clamping blocks are clamped is avoided;

3. when the cardboard with in the pinch roller butt, the elastic component takes place deformation by the compression, and the pinch roller remains the state that continuously compresses tightly the cardboard all the time under the deformation power drive effect of elastic component, avoids the cardboard not atress regional warpage when being cut local atress.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

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

fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

Reference numerals: 1. a vertical plate; 11. rotating the rod; 111. a driving gear; 112. a second handle; 2. a clamping block; 3. a bidirectional lead screw; 31. a first handle; 32. a driven gear; 4. a limiting rod; 5. a sleeve; 6. a slide bar; 61. an elastic member; 62. a collar; 7. a pinch roller; 8. a cylinder; 9. and (7) mounting the plate.

Detailed Description

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

The embodiment of the application discloses cutting positioner of cross cutting machine. Referring to fig. 1, the cutting positioning device of the die cutting machine comprises two vertical plates 1 arranged on two sides of a paperboard feeding direction, the two vertical plates 1 are fixedly connected with a die cutting machine main body, two clamping blocks 2 are arranged between the two vertical plates 1, and a driving mechanism for driving the two clamping blocks 2 to clamp the paperboard along a horizontal direction is arranged on the vertical plates 1.

Referring to fig. 1, actuating mechanism includes the two-way lead screw 3 that the level was laid, two-way lead screw 3 wears to locate on two risers 1 along the direction of perpendicular to riser 1 and the screw thread runs through two and presss from both sides tight piece 2, two-way lead screw 3 rotates with two risers 1 to be connected, two press from both sides tight piece 2 all with 3 threaded connection of two-way lead screw and be located the screw thread department of different directions of turning respectively, the central line of two 2 intervals of pressing from both sides tight piece collineations with the central line of cross cutting machine conveyer belt face width, two press from both sides and wear to be equipped with the gag lever post 4 parallel with two-way lead screw 3 jointly on the piece 2, the both ends and two riser 1 rigid couplings of gag lever post 4, gag lever post 4 and two 2 sliding connection that press from both sides tight piece, the tip rigid coupling of the outstanding left side riser 1 terminal surface of two-way lead screw 3 is equipped with the first in command 31.

The first handle 31 is rotated to drive the bidirectional screw rod 3 to rotate, the bidirectional screw rod 3 drives the clamping blocks 2 in threaded connection with the bidirectional screw rod 3 to be close to or far away from each other on the bidirectional screw rod 3, when the paper board is clamped by the two clamping blocks 2, the paper board can be ensured to be positioned in the center of the conveying belt by the relative positions of the two clamping blocks 2, and the yield in the subsequent die cutting process is ensured.

Referring to fig. 1 and 2, one side that cardboard feeding direction left side riser 1 kept away from the conveying is provided with the speed governing subassembly that is used for adjusting 3 rotational speeds of two-way lead screw, the speed governing subassembly includes the dwang 11 of being connected with the face rotation of left side riser 1 keeping away from the conveyer belt, dwang 11 is the round bar and can rotates around self axis, the tip rigid coupling that riser 1 was kept away from to dwang 11 has second handle 112, coaxial rigid coupling has driving gear 111 on the dwang 11, coaxial rigid coupling has driven gear 32 on the protruding riser 1's of two-way lead screw 3 tip, driving gear 111 is greater than 1 with driven gear 32's drive ratio, driving gear 111 and driven gear 32 mesh.

Rotate two-way lead screw 3 drive and press from both sides tight piece 2 and be close to each other or keep away from, press from both sides tight piece 2 and be close to wait to press from both sides tight cardboard but not press from both sides when tight cardboard at two, rotatory second handle 112 rotates in order to drive dwang 11, because the drive ratio of driving gear 111 and driven gear 32 is greater than 1, make two 2 marching distance of clamp piece when rotating dwang 11 under the rotational speed is the same be less than two 2 marching distance of clamp piece when rotating two-way lead screw 3, realize the fine setting to 2 clamping speed of clamp piece, avoid two clamp piece 2 to step the value too big and damage the cardboard when pressing from both sides tight cardboard.

Referring to fig. 1 and 3, a vertical pressing mechanism is arranged above a conveyor belt of the die-cutting machine, the vertical pressing mechanism comprises a sleeve 5 which is arranged above the conveyor belt along the vertical direction, a columnar slide rod 6 is arranged in the sleeve 5 along the vertical direction in a telescopic mode, the lower end of the slide rod 6 is rotatably connected with a pressing wheel 7 made of rubber, and the rotating axis direction of the pressing wheel 7 is perpendicular to the axis direction of the slide rod 6 and the movement direction of the conveyor belt at the same time. The one end that the conveyer belt was kept away from to sleeve 5 is provided with the lifting unit who is used for adjusting interval between pinch roller 7 and the conveyer belt between the cross cutting machine main part, and lifting unit includes cylinder 8, and cylinder 8 sets up and with cross cutting machine main part rigid coupling along vertical direction, and the lower extreme rigid coupling of the piston rod of cylinder 8 has mounting panel 9, and the one end rigid coupling of conveyer belt is kept away from to mounting panel 9 and sleeve 5, cylinder 8 and cross cutting machine main part rigid coupling. A tight abutting component for driving the pinch roller 7 to continuously compress the paper board is arranged between the sleeve 5 and the slide rod 6, the tight abutting component comprises an elastic part 61 and a sleeve ring 62, in the embodiment of the application, the elastic part 61 is set as a spring, the sleeve ring 62 is sleeved on the peripheral wall of the cambered surface of the slide rod 6 and fixedly connected with the slide rod 6, the elastic part 61 is sleeved on the peripheral side of the cambered surface of the slide rod 6 and positioned between the upper end surface of the sleeve ring 62 and the lower end surface of the sleeve 5, one end of the elastic part 61 is fixedly connected with the lower end of the sleeve 5, and the other end of the elastic part is fixedly connected with the upper end surface of the sleeve ring 62; when the pinch roller 7 abuts against the cardboard, the elastic member 61 is in a compressed state. The mounting panel 9 is fixedly connected with a plurality of sleeves 5, each sleeve 5 is connected with a sliding rod 6, an elastic piece 61 and a pressing wheel 7, and the number of the sleeves 5, the sliding rods 6, the elastic pieces 61 and the pressing wheels 7 is five in the embodiment of the application.

In the process that the paper board is conveyed into the die cutting machine main body along with the conveying belt, the distance between the pressing wheel 7 and the conveying belt can be adjusted by adjusting the length of the piston rod of the air cylinder 8 extending out of the air cylinder 8, so that the distance between the pressing wheel 7 and the conveying belt can be adapted to the thicknesses of the paper boards, when the paper board is abutted to the pressing wheel 7, the elastic part 61 is compressed to deform, the pressing wheel 7 is always kept in a state of continuously pressing the paper board under the driving of the deformation force of the elastic part 61, the phenomenon that the paper board is partially stressed and is not warped in a stress area during die cutting is avoided, the pressing wheel 7 rotationally connected with the sliding rod 6 can also rotate when pressing the paper board moving along with the conveying belt, the friction force between the pressing wheel 7 and the paper board is reduced, and the influence of the pressing wheel 7 on the conveying of the paper board is reduced as much as possible; meanwhile, the pinch roller 7 made of rubber is flexible, and the paperboard is prevented from being damaged due to overlarge pressure applied to the paperboard by the pinch roller 7.

The implementation principle of the cutting positioning device of the die cutting machine in the embodiment of the application is as follows: when the cardboard is carried to the cross cutting machine main part in by the conveyer belt, use actuating mechanism drive to set up two between two riser 1 and press from both sides tight piece 2 and be close to each other, press from both sides tight piece 2 with the cardboard from both sides until two, avoid the cardboard to take place the skew in cross cutting in-process position and lead to the yields to descend, reuse vertical hold-down mechanism compresses tightly the cardboard in vertical direction from the cardboard top, avoid the cardboard to stress not atress department warpage when the cross cutting, and then make the cross cutting position take place the skew, lead to the yields to descend.

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 a cutting positioner of cross cutting machine which characterized in that: the vertical plate feeding mechanism comprises two vertical plates (1) arranged on two sides of a paperboard feeding direction, two clamping blocks (2) are arranged between the vertical plates (1), a driving mechanism used for driving the two clamping blocks (2) to be close to or away from each other is arranged on each vertical plate (1), and a vertical pressing mechanism used for pressing the paperboard on a conveyor belt of a die-cutting machine from the vertical direction is arranged above the conveyor belt of the die-cutting machine.

2. The cutting positioning device of the die cutting machine according to claim 1, characterized in that: the driving mechanism comprises a bidirectional screw rod (3), a first handle (31) and a speed regulating assembly;

the two-way screw rod (3) is simultaneously and rotatably connected to the two vertical plates (1) along a direction perpendicular to the vertical plates (1) and simultaneously penetrates through the two clamping blocks (2) in a threaded manner, the two clamping blocks (2) are respectively located at two axial ends of the two-way screw rod (3), a first handle (31) is arranged at the end part of the two-way screw rod (3) protruding out of the outer side wall of one vertical plate (1), limiting rods (4) parallel to the two-way screw rod (3) commonly penetrate through the two vertical plates (1), the limiting rods (4) are fixedly connected with the vertical plates (1), and the limiting rods (4) penetrate through the two clamping blocks (2) and are in sliding connection with the two clamping blocks (2);

the speed regulating assembly is arranged between the first handle (31) and the vertical plate (1) and is used for regulating the speed of the bidirectional screw rod (3) for driving the two clamping blocks (2) to move oppositely.

3. The cutting positioning device of the die cutting machine according to claim 2, characterized in that: the speed regulation assembly comprises a driving gear (111), a rotating rod (11) and a driven gear (32);

dwang (11) rotate to be connected on riser (1) keeps away from the face of cross cutting machine conveyer belt and can rotate around self axis, driving gear (111) with the coaxial rigid coupling of dwang (11), dwang (11) are kept away from the terminal surface of riser (1) is provided with second handle (112), driven gear (32) with two-way lead screw (3) are outstanding the coaxial rigid coupling of tip of riser (1), driving gear (111) with the drive ratio of driven gear (32) is greater than 1, driving gear (111) with driven gear (32) meshing is connected.

4. The cutting positioning device of the die cutting machine according to claim 1, characterized in that: the vertical pressing mechanism comprises a sleeve (5), a sliding rod (6), a pressing wheel (7), a lifting assembly and a pressing assembly;

the sleeve (5) is arranged above a conveyor belt of the die cutting machine in the vertical direction, the sliding rod (6) stretches in the sleeve (5) in the vertical direction, and the pinch roller (7) is arranged at the lower end of the sliding rod (6);

the lifting assembly is arranged at one end, away from the conveyor belt of the die-cutting machine, of the sleeve (5) and used for adjusting the distance between the sleeve (5) and the conveyor belt;

the abutting component is arranged on the sliding rod (6) and used for driving the pressing wheel (7) to continuously press the paper board.

5. The cutting positioning device of the die cutting machine according to claim 4, characterized in that: the lifting assembly comprises a cylinder (8);

the cylinder (8) is fixedly connected to the die cutting machine main body, and a piston rod of the cylinder (8) is fixedly connected with one end, far away from the conveyor belt, of the sleeve (5).

6. The cutting positioning device of the die cutting machine according to claim 5, characterized in that: the abutting assembly comprises an elastic piece (61) and a sleeve ring (62);

the lantern ring (62) is coaxially sleeved on the sliding rod (6) and fixedly connected with the sliding rod (6), the elastic piece (61) is sleeved on the sliding rod (6) and positioned between the lantern ring (62) and the sleeve (5), one end of the elastic piece (61) is fixedly connected with the lower end of the sleeve (5), and the other end of the elastic piece is fixedly connected with the upper end of the lantern ring (62);

when the pressing wheel (7) is abutted to the paper board, the elastic piece (61) is in a compressed state.

7. The cutting positioning device of the die cutting machine according to claim 6, characterized in that: the piston rod lower extreme rigid coupling of cylinder (8) has mounting panel (9), the terminal surface is provided with a plurality ofly under mounting panel (9) sleeve (5) elastic component (61) slide bar (6) reach pinch roller (7).

8. The cutting positioning device of the die cutting machine according to claim 7, characterized in that: pinch roller (7) with slide bar (6) rotate to be connected and for the rubber material, pinch roller (7) axis of rotation direction with slide bar (6) axis direction and conveyer belt direction of motion are all perpendicular.