CN220864097U - Cutting machine for paperboard processing - Google Patents

Abstract

The utility model discloses a cutting machine for processing paperboards, which relates to the technical field of paperboard cutting and comprises a base, wherein a workbench is arranged at the top of the base, a clamping piece and an adjusting component are arranged on one side of the top of the workbench, the adjusting component is arranged at the top of the base and comprises two groups of vertical plates, the two groups of vertical plates are arranged at two ends of the top of the base, a longitudinal translation piece is arranged at the inner side of the left end of the vertical plate, a limiting piece is arranged at the inner side of the right end of the vertical plate, a transverse plate is connected between the longitudinal translation piece and the limiting piece, a transverse translation piece is arranged at the bottom of the transverse plate, and a telescopic piece is arranged at the bottom of the transverse translation piece. According to the utility model, through the matching arrangement of the connecting piece, the cutting knife and the locking piece, the rapid disassembly and replacement of the cutting knife can be realized, the situation that the whole device needs to be replaced when the cutting knife is worn locally is avoided as much as possible, and the production cost is effectively reduced.

Description

Cutting machine for paperboard processing

Technical Field

The utility model relates to the technical field of paperboard cutting, in particular to a cutting machine for paperboard processing.

Background

Cardboard is used as a raw material of a paper box, is a thick paper sheet which is processed by paper pulp and is formed by interweaving fibers, is generally called cardboard with a ration of more than 250g/m < 2 > and a thickness of more than 0.5mm, is generally used in the packaging field, and in the production process of the cardboard, the cardboard is required to be cut due to the requirements of different specifications.

In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology, the Chinese patent publication No. CN213532863U discloses a paper board cutting device, which comprises a workbench, an installation panel is integrally formed on the upper surface of the workbench, a plurality of through holes are formed in the installation panel, a chip sucking device is arranged in the workbench, a supporting knife rest is arranged above the workbench, a movable rod is arranged on the supporting knife rest, the lower end of the movable rod is connected with a fixed cutting knife, the movable rod is driven by a cylinder, the movable rod can move up and down, an air flow generating device is arranged at the top of the cutting knife, limiting plates are arranged on two sides of the installation panel and are connected with the supporting knife rest through telescopic rods.

Disclosure of utility model

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

Therefore, the utility model aims to provide a cutting machine for processing paperboards, which can solve the problems that the cutting knife is fixedly installed in the existing device, and the whole cutting device needs to be replaced after the cutting knife is damaged or passivated after long-time use, thereby influencing the production cost.

In order to solve the technical problems, the utility model provides a cutting machine for processing paperboards, which adopts the following technical scheme: the bearing seat assembly comprises a base, a workbench is arranged at the top of the base, and a clamping piece is arranged at one side of the top of the workbench;

The adjusting assembly is arranged at the top of the base and comprises two groups of vertical plates, the two groups of vertical plates are arranged at two ends of the top of the base, a longitudinal translation part is arranged at the inner side of the vertical plate at the left end, a limiting part is arranged at the inner side of the vertical plate at the right end, a transverse plate is connected between the longitudinal translation part and the limiting part, a transverse translation part is arranged at the bottom of the transverse plate, and a telescopic part is arranged at the bottom of the transverse translation part;

The cutting assembly is arranged at the bottom of the telescopic piece and comprises a connecting piece, the connecting piece is arranged at the bottom of the telescopic piece, a cutting knife is arranged at the bottom of the connecting piece, locking pieces are arranged on two sides of the connecting piece, and a pressing piece is arranged at one end, away from the connecting piece, of the locking piece.

Through adopting above-mentioned technical scheme, this scheme is through the centre gripping piece to the one end of cardboard, and then through the transverse position of horizontal translation piece adjustment cutting knife, when cutting, drive cutting knife downwardly moving through the extensible member, vertical translation piece and locating part mutually support simultaneously and drive diaphragm longitudinal movement, and then drive and cut the cutter longitudinal movement, realize cutting work to the cardboard, when cutting knife long-time use appears wearing and tearing, will cut the cutter and dismantle fast and change through connecting piece and retaining member.

Optionally, the holder includes the grip slipper, the grip slipper is installed the right-hand member at workstation top, both ends all run through around the grip slipper have movable rod, the movable rod stretches into the inner chamber of grip slipper and install splint, the outer wall cover of movable rod is equipped with positioning spring, positioning spring is located the grip slipper with between the splint, the movable rod is kept away from the arm-tie is installed to the one end of splint.

Through adopting above-mentioned technical scheme, outside pulling arm-tie, arm-tie drive splint remove and extrude positioning spring through the movable rod, place the cardboard between two sets of arm-tie and loosen this moment, under positioning spring's elasticity effect, two sets of splint are fixed the centre gripping with the cardboard for the cardboard is more steady when cutting.

Optionally, the vertical translation piece includes first mount pad, first mount pad is installed in the left end the inner chamber of riser, be connected with the lead screw through the bearing between the first mount pad, be used for driving the outside of first mount pad lead screw pivoted servo motor is installed, the outer wall threaded connection of lead screw has the screw, the right-hand member of screw with the left end fixed connection of diaphragm.

Through adopting above-mentioned technical scheme, drive the lead screw and rotate when servo motor starts, the lead screw rotates and drives the screw and remove, drives the diaphragm and remove when the screw removes, and then can drive the cutting knife longitudinal movement of below to can realize cutting work.

Optionally, the locating part includes the second mount pad, the second mount pad is installed at the right-hand member the inboard of riser, be connected with the polished rod between the second mount pad, the outer wall cover of polished rod is equipped with movable sleeve, the left end of movable sleeve with the right-hand member fixed connection of diaphragm.

Through adopting above-mentioned technical scheme, the diaphragm can drive movable sleeve and slide along the polished rod when removing to can carry out spacingly to the diaphragm, prevent that the diaphragm from rotating.

Optionally, the horizontal translation piece includes two sets of connecting plates, and two sets of the connecting plate is installed the both ends of diaphragm bottom, the left end first electric putter is installed to the inboard of connecting plate, movable seat is installed to first electric putter's output, two sets of be connected with the slide bar between the connecting plate, the outer wall cover of slide bar is equipped with the sliding sleeve, the bottom of sliding sleeve with the top fixed connection of movable seat.

Through adopting above-mentioned technical scheme, the flexible movable seat that drives of first electric putter moves about, drives the sliding sleeve and slides along the slide bar when the movable seat removes to make the movable seat more smooth and easy when removing, the movable seat moves about the cutting knife of drive below, conveniently adjusts the transverse position of cutting knife.

Optionally, the telescopic member includes the second electric putter, the second electric putter is installed the bottom of movable seat, the lifter plate is installed to the output of second electric putter.

Through adopting above-mentioned technical scheme, second electric putter stretches out and drives the lifter plate and move down, and then can drive cutting knife downward movement and cardboard contact.

Optionally, the connecting piece includes the connecting groove body, the connecting groove body is installed the bottom of lifter plate, install at the top of cutting the sword with connecting groove body grafting complex connecting block.

Through adopting above-mentioned technical scheme, when the long-time use of cutting knife appears damaging, downward pulling cutting knife for connecting block and connecting groove body separation, conveniently dismantle cutting knife and change.

Optionally, the retaining member includes two sets of L type backup pads, and two sets of L type backup pad is installed the both sides of connecting tank body, two sets of the inboard of L type backup pad all is connected with first reset spring, two sets of first reset spring is close to the fly leaf is all installed to the one end of connecting tank body, two sets of the bottom of fly leaf all is connected with the driving lever, two sets of the fly leaf deviates from the one end of first reset spring all is connected with the inserted bar, the both sides of connecting block all seted up with inserted bar grafting complex slot.

Through adopting above-mentioned technical scheme, outside pulling driving lever, driving lever drive fly leaf removes and compress first reset spring, can drive the inserted bar and outside remove and slot separation when the fly leaf removes to can unlock the fixed action of connecting block.

Optionally, the pressing piece includes two sets of fixing bases, two sets of the fixing bases are installed the both ends of lifter plate bottom, two sets of the slide is all installed to the inner chamber of fixing base, two sets of the bottom of slide all is connected with the movable column, two sets of the bottom of movable column all stretches out the fixing base is installed the mounting panel, two sets of the outer wall of movable column all overlaps and is equipped with second reset spring, second reset spring is located between the fixing base with the mounting panel, two sets of equidistant being connected with the mounting bracket in bottom of mounting panel, be connected with the press wheel between the mounting bracket.

Through adopting above-mentioned technical scheme, when cutting the cutter at the time of cutting, the bottom of pressing the wheel contacts with the top of cardboard, continues to move down along with cutting the cutter to can make the pressing wheel promote the mounting panel and upwards move, the mounting panel drives the slide through the movable column and upwards moves and extrudees second reset spring, under second reset spring's resilience effect, presses the wheel and can press the cardboard, makes the cutter more accurate when cutting.

In summary, the present utility model includes at least one of the following beneficial effects:

(1) Through the cooperation setting of connecting piece, cutting knife and retaining member to can realize cutting knife's quick dismantlement and change, avoid cutting knife to appear partial wear as far as possible and need change the condition of whole device promptly, effectively reduce manufacturing cost.

(2) Through the cooperation setting of grip slipper, movable rod, splint, positioning spring and arm-tie to can be through the fixed centre gripping of two sets of splint with the cardboard, the circumstances that the cardboard appears the displacement when avoiding cutting as far as possible, and then improved the quality of cutting.

(3) Through the cooperation setting of connecting plate, first electric putter, movable seat, slide bar and sliding sleeve to can adjust the transverse position of cutting the sword, make and cut the sword and can cut into different specifications with the cardboard according to actual need, improve the practicality of device.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

Fig. 3 is a schematic diagram of the structure a in fig. 1 according to the present utility model.

In the figure:

1. A bearing seat assembly; 101. a base; 102. a work table; 103. a clamping member; 1031. a clamping seat; 1032. a movable rod; 1033. a clamping plate; 1034. a positioning spring; 1035. pulling a plate;

2. An adjustment assembly; 201. a riser; 202. a longitudinal translation member; 2021. a first mount; 2022. a screw rod; 2023. a servo motor; 2024. a nut; 203. a limiting piece; 2031. a second mounting base; 2032. a polish rod; 2033. a movable sleeve; 204. a cross plate; 205. a lateral translation member; 2051. a connecting plate; 2052. a first electric push rod; 2053. a movable seat; 2054. a slide bar; 2055. a sliding sleeve; 206. a telescoping member; 2061. a second electric push rod; 2062. a lifting plate;

3. A cutting assembly; 301. a connecting piece; 3011. a connecting groove body; 3012. a connecting block; 302. a cutting knife; 303. a locking member; 3031. an L-shaped support plate; 3032. a first return spring; 3033. a movable plate; 3034. a deflector rod; 3035. a rod; 3036. a slot; 304. a pressing member; 3041. a fixing seat; 3042. a slide plate; 3043. a movable column; 3044. a mounting plate; 3045. a second return spring; 3046. a mounting frame; 3047. pressing the wheel.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

Referring to fig. 1 and 2, in this embodiment, in order to solve the problem that in the existing device, when the cutting knife is fixedly installed and damaged or passivated after being used for a long time, the whole cutting device needs to be replaced, thereby affecting the production cost, the utility model discloses a cutting machine for processing a paperboard, which comprises a bearing seat assembly 1, comprising a base 101, wherein a workbench 102 is installed at the top of the base 101, the paperboard to be cut is placed by the workbench 102, a clamping piece 103 is arranged at one side of the top of the workbench 102, and one end of the paperboard is limited by the clamping piece 103.

The adjusting component 2, the adjusting component 2 sets up in the top of base 101, and it includes two sets of risers 201, and two sets of risers 201 are installed at the both ends at base 101 top, and the inboard of left end riser 201 is provided with vertical translation spare 202, and the inboard of right-hand member riser 201 is provided with spacing piece 203, is connected with diaphragm 204 between vertical translation spare 202 and the spacing piece 203, and the bottom of diaphragm 204 is provided with horizontal translation spare 205, and the bottom of horizontal translation spare 205 is provided with the extensible member 206.

Cutting assembly 3, cutting assembly 3 sets up in the bottom of extensible member 206, and it includes connecting piece 301, and connecting piece 301 sets up in the bottom of extensible member 206, and cutting knife 302 is installed to the bottom of connecting piece 301, cuts the cardboard through cutting knife 302, and the both sides of connecting piece 301 all are provided with retaining member 303, and retaining member 303 keep away from the one end of connecting piece 301 and are provided with the button 304, press the cardboard through the button 304 when cutting, improve the effect of cutting.

Referring to fig. 1 and 3, the connection member 301 includes a connection groove 3011, the connection groove 3011 is fixedly installed at the bottom of the lifting plate 2062, and a connection block 3012 is fixedly installed at the top of the cutting knife 302 to be in plug-in fit with the connection groove 3011. When the cutting knife 302 is damaged during long-time use, the cutting knife 302 is pulled downwards, so that the connecting block 3012 is separated from the connecting groove 3011, and the cutting knife 302 is convenient to detach and replace.

Referring to fig. 1 and 3, the locking member 303 includes two sets of L-shaped support plates 3031, the two sets of L-shaped support plates 3031 are fixedly mounted at two sides of the connection slot 3011, the first return springs 3032 are fixedly connected with the inner sides of the two sets of L-shaped support plates 3031, the movable plates 3033 are all mounted at one ends of the two sets of first return springs 3032, which are close to the connection slot 3011, the driving levers 3034 are fixedly connected with the bottoms of the two sets of movable plates 3033, the inserting levers 3035 are fixedly connected with one ends of the two sets of movable plates 3033, which deviate from the first return springs 3032, and the inserting slots 3036 which are in plug-in fit with the inserting levers 3035 are formed at two sides of the connection block 3012. Pulling the shift lever 3034 to the outside, the shift lever 3034 drives the movable plate 3033 to move and compress the first reset spring 3032, and when the movable plate 3033 moves, the insert rod 3035 can be driven to move to the outside and separate from the slot 3036, so that the fixing function of the connecting block 3012 can be unlocked.

The specific implementation principle is as follows: through cutting the cutter 302 and cutting the work to the cardboard, when cutting the cutter 302 and using for a long time and wearing and tearing or damaging appear, the staff pulls the driving lever 3034 to both sides this moment, driving lever 3035 to outside removes and extrudees first reset spring 3032, until the separation of bar 3035 and slot 3036, thereby can release the fixed action of bar 3035 to connecting block 3012, pulling down at this moment cuts cutter 302, cut cutter 302 drives connecting block 3012 and moves down and separate with connecting groove 3011, thereby can dismantle cutting cutter 302 and change, the cost of maintenance of device has been reduced.

Referring to fig. 1 and 2, in this embodiment, based on the same concept as that of the first embodiment, the cutting machine for processing cardboard further includes a clamping piece 103 including a clamping seat 1031, where the clamping seat 1031 is installed at the right end of the top of the workbench 102, both front and rear ends of the clamping seat 1031 penetrate through a movable rod 1032, the movable rod 1032 extends into an inner cavity of the clamping seat 1031 and is fixedly installed with a clamping plate 1033, a positioning spring 1034 is sleeved on an outer wall of the movable rod 1032, the positioning spring 1034 is located between the clamping seat 1031 and the clamping plate 1033, and a pulling plate 1035 is installed at one end of the movable rod 1032 far from the clamping plate 1033. Pulling the pulling plate 1035 to the outside, the pulling plate 1035 drives the clamping plate 1033 to move and extrude the positioning spring 1034 through the movable rod 1032, at this time, the paper board is placed between the two groups of pulling plates 1035 and is loosened, and under the elastic force of the positioning spring 1034, the two groups of clamping plates 1033 clamp the paper board fixedly, so that the paper board is more stable in cutting.

Referring to fig. 1 and 3, the pressing member 304 includes two sets of fixing seats 3041, the two sets of fixing seats 3041 are installed at two ends of the bottom of the lifting plate 2062, sliding plates 3042 are slidably installed in inner cavities of the two sets of fixing seats 3041, movable columns 3043 are fixedly connected to bottoms of the two sets of sliding plates 3042, the bottoms of the two sets of movable columns 3043 extend out of the fixing seats 3041 and are fixedly provided with mounting plates 3044, second return springs 3045 are sleeved on outer walls of the two sets of movable columns 3043, the second return springs 3045 are located between the fixing seats 3041 and the mounting plates 3044, a plurality of mounting frames 3046 are connected to bottoms of the two sets of mounting plates 3044 at equal intervals, pressing wheels 3047 are rotatably connected between the mounting frames 3046, and the mounting plates 3044 are enabled to move forward and backward through arrangement of the pressing wheels 3047. When the cutting knife 302 cuts, the bottom of the pressing wheel 3047 is contacted with the top of the paperboard, and the pressing wheel 3047 can push the mounting plate 3044 to move upwards along with the continuous downward movement of the cutting knife 302, the mounting plate 3044 drives the sliding plate 3042 to move upwards through the movable column 3043 to squeeze the second reset spring 3045, and the pressing wheel 3047 can press the paperboard under the action of the resilience force of the second reset spring 3045, so that the cutting knife 302 is more accurate in cutting.

The specific implementation principle is as follows: before the cardboard cuts, pull board 1035 is pulled to outside, pull board 1035 passes through movable rod 1032 drives splint 1033 and removes and extrude locating spring 1034, at this moment with the right-hand member butt at the inner wall of grip slipper 1031, then loosen pull board 1035, under locating spring 1034's resilience effect, splint 1033 removes towards the direction of cardboard, until two sets of splint 1033 centre gripping and fixed the cardboard, simultaneously when cutting knife 302 is cutting, the bottom of pressing wheel 3047 contacts with the top of cardboard, along with cutting knife 302 continues to move down, thereby can make pressing wheel 3047 promote mounting panel 3044 and upwards remove, mounting panel 3044 passes through movable post 3043 and drives slide 3042 and upwards remove second reset spring 3045 and extrude, under the resilience effect of second reset spring 3045, pressing wheel 3047 can press the cardboard, the circumstances that the skew appears in the cardboard is avoided as far as possible, make cutting knife 302 more accurate when cutting.

Referring to fig. 1 and 2, in this embodiment, based on the same concept as the first embodiment, the cutting machine for cardboard processing further includes a longitudinal translation member 202 including a first mounting base 2021, the first mounting base 2021 is mounted in an inner cavity of the left-end riser 201, a screw rod 2022 is rotatably connected between the first mounting bases 2021 through a bearing, a servo motor 2023 for driving the screw rod 2022 to rotate is mounted on an outer side of the first mounting base 2021, a screw nut 2024 is screwed on an outer wall of the screw rod 2022, and a right end of the screw nut 2024 is fixedly connected with a left end of the transverse plate 204. When the servo motor 2023 is started, the screw rod 2022 is driven to rotate, the screw rod 2022 rotates to drive the screw 2024 to move, and when the screw 2024 moves, the transverse plate 204 is driven to move, so that the lower cutting knife 302 can be driven to longitudinally move, and cutting work can be achieved.

Referring to fig. 1 and 2, the limiting member 203 includes a second mounting base 2031, the second mounting base 2031 is mounted on the inner side of the right-end riser 201, a polish rod 2032 is fixedly connected between the second mounting bases 2031, a movable sleeve 2033 is sleeved on the outer wall sliding of the polish rod 2032, and the left end of the movable sleeve 2033 is fixedly connected with the right end of the transverse plate 204. The cross plate 204 can drive the movable sleeve 2033 to slide along the polish rod 2032 when moving, so that the cross plate 204 can be limited, and the rotation of the cross plate 204 is prevented.

Referring to fig. 1, the horizontal translation member 205 includes two sets of connection plates 2051, the two sets of connection plates 2051 are fixedly installed at two ends of the bottom of the horizontal plate 204, a first electric push rod 2052 is installed at the inner side of the connection plate 2051 at the left end, a movable seat 2053 is installed at the output end of the first electric push rod 2052, a sliding rod 2054 is horizontally connected between the two sets of connection plates 2051, a sliding sleeve 2055 is sleeved on the outer wall of the sliding rod 2054 in a sliding manner, and the bottom of the sliding sleeve 2055 is fixedly connected with the top of the movable seat 2053. The first electric push rod 2052 stretches and contracts to drive the movable seat 2053 to move left and right, and the movable seat 2053 drives the sliding sleeve 2055 to slide along the sliding rod 2054 when moving, so that the movable seat 2053 is smoother when moving, and the movable seat 2053 drives the lower cutting knife 302 to move left and right when moving, so that the transverse position of the cutting knife 302 is convenient to adjust.

Referring to fig. 1, the telescoping member 206 includes a second electric push rod 2061, the second electric push rod 2061 being mounted at the bottom of the movable seat 2053, the output end of the second electric push rod 2061 being mounted with a lifter plate 2062. The second electric push rod 2061 extends to drive the lifting plate 2062 to move downwards, and further can drive the cutting knife 302 to move downwards to contact with the paper board.

The specific implementation principle is as follows: an operator starts a first electric push rod 2052 according to the specification that a paperboard needs to be cut through a controller, the first electric push rod 2052 stretches out or contracts to drive a movable seat 2053 to move left and right, a sliding sleeve 2055 is driven to slide along a sliding rod 2054 when the movable seat 2053 moves, so that the movable seat 2053 is more stable in the moving process, after the movable seat 2053 moves to a required position, a second electric push rod 2061 and a servo motor 2023 are started, the second electric push rod 2061 stretches out to drive a lifting plate 2062 to move downwards, then a cutting knife 302 can be driven to move downwards to be in contact with the paperboard, the servo motor 2023 drives a screw rod 2022 to rotate when started, the screw rod 2022 rotates to drive a screw rod 2024 to move forwards and backwards, the transverse plate 204 is driven to move forwards and backwards when the screw rod 2024 moves, the transverse plate 204 drives the movable sleeve 2033 to slide along the sliding rod 2032, the transverse plate 204 can be limited, the cutting knife 302 can be driven to move forwards and backwards when the transverse plate 204 moves, and the cutting knife 302 is convenient to cut the paperboard.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (9)

1. The utility model provides a cutting machine is used in cardboard processing which characterized in that: comprising the steps of (a) a step of,

The bearing seat assembly (1) comprises a base (101), wherein a workbench (102) is arranged at the top of the base (101), and a clamping piece (103) is arranged on one side of the top of the workbench (102);

The adjusting assembly (2), the adjusting assembly (2) set up in the top of base (101), it includes two sets of riser (201), two sets of riser (201) are installed the both ends at base (101) top, the left end the inboard of riser (201) is provided with vertical translation spare (202), the right-hand member the inboard of riser (201) is provided with locating part (203), vertical translation spare (202) with be connected with diaphragm (204) between locating part (203), the bottom of diaphragm (204) is provided with horizontal translation spare (205), the bottom of horizontal translation spare (205) is provided with expansion piece (206);

The cutting assembly (3), cut subassembly (3) set up in the bottom of extensible member (206), it includes connecting piece (301), connecting piece (301) set up the bottom of extensible member (206), cutting knife (302) are installed to the bottom of connecting piece (301), both sides of connecting piece (301) all are provided with retaining member (303), retaining member (303) keep away from one end of connecting piece (301) is provided with push piece (304).

2. A machine for converting paperboard as recited in claim 1, wherein: clamping piece (103) is including grip slipper (1031), grip slipper (1031) are installed the right-hand member at workstation (102) top, both ends all run through around grip slipper (1031) have movable rod (1032), movable rod (1032) stretch into the inner chamber of grip slipper (1031) and install splint (1033), the outer wall cover of movable rod (1032) is equipped with positioning spring (1034), positioning spring (1034) are located grip slipper (1031) with splint (1033) between, movable rod (1032) are kept away from splint (1033) one end is installed arm-tie (1035).

3. A machine for converting paperboard as recited in claim 1, wherein: the vertical translation piece (202) comprises a first installation seat (2021), the first installation seat (2021) is installed at the left end the inner chamber of riser (201), be connected with lead screw (2022) through the bearing between first installation seat (2021), be used for driving in the outside of first installation seat (2021) lead screw (2022) pivoted servo motor (2023), the outer wall threaded connection of lead screw (2022) has screw (2024), the right-hand member of screw (2024) with the left end fixed connection of diaphragm (204).

4. A machine for converting paperboard as recited in claim 1, wherein: the limiting piece (203) comprises a second installation base (2031), the second installation base (2031) is installed at the right end on the inner side of the vertical plate (201), a polish rod (2032) is connected between the second installation bases (2031), a movable sleeve (2033) is sleeved on the outer wall of the polish rod (2032), and the left end of the movable sleeve (2033) is fixedly connected with the right end of the transverse plate (204).

5. A machine for converting paperboard as recited in claim 1, wherein: the transverse translation piece (205) comprises two groups of connecting plates (2051), the two groups of connecting plates (2051) are installed at two ends of the bottom of the transverse plate (204), a first electric push rod (2052) is installed at the inner side of the connecting plate (2051) at the left end, a movable seat (2053) is installed at the output end of the first electric push rod (2052), a sliding rod (2054) is connected between the connecting plates (2051), a sliding sleeve (2055) is sleeved on the outer wall of the sliding rod (2054), and the bottom of the sliding sleeve (2055) is fixedly connected with the top of the movable seat (2053).

6. A machine for converting paperboard as recited in claim 5, wherein: the telescopic piece (206) comprises a second electric push rod (2061), the second electric push rod (2061) is installed at the bottom of the movable seat (2053), and a lifting plate (2062) is installed at the output end of the second electric push rod (2061).

7. A machine for converting paperboard as recited in claim 6, wherein: the connecting piece (301) comprises a connecting groove body (3011), the connecting groove body (3011) is arranged at the bottom of the lifting plate (2062), and a connecting block (3012) which is in plug-in fit with the connecting groove body (3011) is arranged at the top of the cutting knife (302).

8. A machine for converting paperboard as recited in claim 7, wherein: the locking piece (303) comprises two groups of L-shaped supporting plates (3031), the two groups of L-shaped supporting plates (3031) are installed on two sides of the connecting groove body (3011), the two groups of L-shaped supporting plates (3031) are connected with first reset springs (3032) on the inner sides of the L-shaped supporting plates (3031), the two groups of first reset springs (3032) are close to one ends of the connecting groove body (3011) and are provided with movable plates (3033), the bottoms of the two groups of movable plates (3033) are connected with deflector rods (3034), the two groups of movable plates (3033) deviate from one ends of the first reset springs (3032) and are connected with inserted rods (3035), and slots (3036) in plug-in fit with the inserted rods (3035) are formed on two sides of the connecting blocks (3012).

9. A machine for converting paperboard as recited in claim 6, wherein: the pressing piece (304) comprises two groups of fixing seats (3041), the two groups of fixing seats (3041) are installed at two ends of the bottom of the lifting plate (2062), sliding plates (3042) are installed in inner cavities of the two groups of fixing seats (3041), movable columns (3043) are connected to the bottoms of the two groups of sliding plates (3042), the bottoms of the two groups of movable columns (3043) are extended out of the fixing seats (3041) and are provided with mounting plates (3044), second reset springs (3045) are sleeved on the outer walls of the movable columns (3043), the second reset springs (3045) are located between the fixing seats (3041) and the mounting plates (3044), mounting frames (3046) are connected to the bottoms of the two groups of the mounting plates (3044) at equal intervals, and pressing wheels (3047) are connected between the mounting frames (3046).