CN112918001A

CN112918001A - Paperboard folding machine

Info

Publication number: CN112918001A
Application number: CN202110094814.6A
Authority: CN
Inventors: 不公告发明人
Original assignee: Wang Youling
Current assignee: Wang Youling
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-06-08

Abstract

The invention relates to a paperboard folding machine, which comprises an operation frame, a guide plate, a support frame and a pressing piece, wherein a pushing piece is connected to the side wall of the pressing piece; the support frame comprises an upright post, an adjusting piece, a first rotating shaft and a connecting plate which are fixed on the first rotating shaft; the spring tube is fixed on the connecting plate; the rubber layer is arranged on the connecting plate; the adjusting piece comprises a first mounting tube; the first fixing pipe coaxially penetrates through the first installation pipe; the second positioning block is fixed on the outer wall of the first fixing pipe; the second rubber block is arranged on one side of the second positioning block; the first supporting frame is arranged on the other side of the second positioning block; the first stop block is fixed at the port of the first adjusting groove; the sixth spring is connected to the first stop; the positioning frame is arranged on the inner wall of the first mounting pipe; a first groove is concavely arranged on one side of the first mounting pipe; the first rubber block is arranged on the other side of the positioning frame; the first adjusting rod is screwed on the positioning frame and the first rubber block; the mechanical energy of cardboard folding adjusts the turned angle of pressing piece as required.

Description

Paperboard folding machine

Technical Field

The invention relates to paperboard processing equipment, in particular to a paperboard folding machine.

Background

During the processing of the carton, or during the recycling of the paperboard, the paperboard needs to be folded. The different thicknesses and the different hardnesses of the different types of cardboard differ from each other, and the pressing force which needs to be applied to the cardboard during folding thereof is different. When the cardboard is thick, a large pressing force needs to be applied to the cardboard, so that the cardboard can be flattened and compacted. When the paperboard is thin or the number of paperboards in a single pressing is small, only a small pressing force needs to be applied. Meanwhile, when the thickness of the paperboard is large, the pressing equipment needs to rotate by a small angle to extrude the paperboard. Conversely, when the cardboard thickness is large, the cardboard mounting device needs to be rotated large. However, the rotation angle of the pressing part of the existing paperboard folding equipment is usually fixed, and the pressing part cannot be adjusted according to actual requirements, so that the requirements of folding and pressing the paperboards under various conditions cannot be met.

Therefore, it is necessary to provide a cardboard folding machine capable of adjusting the rotation angle of the cardboard pressing member thereof as required to meet the needs of cardboard folding pressing in various cases.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a paperboard folding machine which can adjust the rotation angle of a paperboard pressing piece according to requirements so as to meet the requirements of paperboard folding and pressing under various conditions.

In order to solve the technical problem, the invention is solved by the following technical scheme:

in the technical proposal, the device comprises a base,

a machine for folding cardboard, comprising an operating frame and further comprising:

a guide plate provided at one end of the operation frame;

a support frame arranged in the middle of the upper side of the operation frame;

a pressing member connected to the supporting frame;

a pushing member disposed on an upper side of the operation frame and connected to a sidewall of the pressing member;

the support frame includes:

a column which is rectangular parallelepiped;

an adjusting member provided at an upper portion of the pillar;

the first rotating shaft is screwed in the adjusting piece;

a connecting plate which is rectangular and fixed on the first rotating shaft;

a spring tube which is in a circular tube shape and is fixed on the connecting plate;

the rubber layer is arranged on the connecting plate and is tightly pressed on the spring tube;

the adjusting member includes:

a first mounting tube which is tubular;

the first fixing pipe is in a circular pipe shape and coaxially penetrates through the first installation pipe;

the longitudinal section of the second positioning block is trapezoidal and is fixed on the outer wall of the first fixing pipe along the radial direction of the first fixing pipe;

the second rubber block is wedge-shaped and is arranged on one side of the second positioning block;

the first supporting frame is triangular prism-shaped and is arranged on the other side of the second positioning block; a triangular first adjusting groove is concavely arranged in the first supporting frame;

the first stop block is fixed at the port of the first adjusting groove;

a sixth spring bound in the first adjustment groove and connected to the first stopper;

a positioning frame which is quadrangular frustum pyramid-shaped and is arranged on the inner wall of the first mounting pipe along the radial direction of the first mounting pipe; a wedge-shaped first groove is concavely arranged on one side of the groove;

the first rubber block is arranged on the other side of the positioning frame;

and the first adjusting rod is screwed on the positioning frame and the first rubber block.

Preferably, the operation frame comprises:

a first plate body which is rectangular parallelepiped;

the operating cavity is wedge-shaped and is concavely arranged at one end of the first plate body;

a fixing frame arranged at the end of the first plate body;

the first positioning groove is a rectangular groove concavely arranged at the edge of the operation cavity;

and a first positioning hole which is a rectangular hole and extends downward from the bottom of the first positioning groove.

Preferably, the fixing frame includes:

a first frame which is rectangular parallelepiped;

the first fixed cavity is a rectangular cavity penetrating through the first frame;

the extrusion seat is slidably arranged on the upper part of the first fixed cavity in a penetrating way;

a first screw rotatably coupled to an upper portion of the first frame and connected to an upper end of the extrusion seat;

the check ring is annular and is screwed on the first screw rod;

the first spring is sleeved on the first screw rod and extruded between the check ring and the extrusion seat;

the pressing piece is arranged at the lower end of the extrusion seat;

a bottom plate which is the bottom of the inner cavity of the rectangular first frame;

and the bearing piece is fixed at the lower end of the bottom plate.

Preferably, the carrier comprises:

the longitudinal section of the bearing block is in a concave shape; the groove at the top of the bearing block is trapezoidal;

the first supporting block is cuboid and fixed on two sides of the bearing block;

a first top plate, the upper part of which is a rectangular plate and the lower parts of the two side edges of which are quadrangular frustum pyramid prisms; the middle part of the lower side of the first top plate is trapezoidal and is concavely provided with a rectangular first buffer groove;

a second spring bound between the first support block and the first top plate;

and the third spring penetrates through the first buffer groove, and the lower end of the third spring is bound in the bearing block.

Preferably, the pressing member includes:

a first housing which is a quadrangular frustum pyramid-shaped cavity having a trapezoidal shape inside;

the end cover is rectangular and is arranged at the lower port of the first shell;

a rubber plate disposed within the first housing;

a first support rod screwed between the rubber plate and the top of the first housing;

the fourth spring is sleeved on the first supporting rod;

the first extrusion seat is hemispherical and is fixed in the end cover;

and the friction layer is arranged at the lower end of the first extrusion seat.

Preferably, the pressing piece includes:

the second shell is rectangular, and a rectangular first mounting groove is concavely arranged in the middle of the lower side of the second shell; a rectangular first adjusting cavity is arranged on two sides of the second shell in a penetrating manner;

a first connection pipe which is a circular pipe shape and is disposed at an upper side of the second housing;

a first coil which is in a circular tube shape and is screwed to the second housing;

the reinforcing block is in a cuboid shape and penetrates through the lower part of the second shell in a sliding mode;

the second screw is screwed in the first screw pipe, and the lower end of the second screw is screwed on the reinforcing block;

a pressing plate which is rectangular and is provided at the lower end of the reinforcing block;

first baffles which are rectangular and are arranged on both sides of the second housing;

a first positioning block fixed thereon along a direction perpendicular to the first baffle plate;

the second solenoid is arranged at the upper part of the inner cavity of the first adjusting cavity;

a third screw which is screwed in the second screw and the lower end of which is connected to the upper side of the pressing plate;

and the fifth spring is sleeved on the third screw rod.

Preferably, the pusher comprises:

a first base plate which is rectangular;

the lifting frame is arranged on the upper side of the first bottom plate;

a first driving plate having a lower end pivotally coupled to an end of the first base plate; the first driving plate is connected to the upper side of the lifting frame;

a first connecting rod rotatably connected to an upper end of the first driving plate;

and the transmission rod is in a round rod shape and is pivoted on the upper side of the first transmission plate.

Preferably, the crane comprises:

the first supporting seat is in a quadrangular frustum pyramid shape, and a trapezoidal first lifting groove is concavely arranged in the middle of the first supporting seat;

the first positioning seat is cylindrical and is fixed at the bottom of the inner cavity of the first lifting groove;

the center rod is screwed at the upper end of the first positioning seat;

a positioning disk screwed on the central rod;

the second lifting pipe is in a circular pipe shape and is sleeved on the outer side of the first positioning seat;

a first elevator pipe screwed on the upper part of the second elevator pipe and connected to the lower edge of the positioning plate;

the second adjusting rod is screwed between the upper end of the first positioning seat and the positioning disc;

the seventh spring is sleeved on the second adjusting rod;

a sliding seat which slides in the first lifting groove and slides on the upper part of the central rod;

and the second top plate is arranged at the upper end of the sliding seat.

Has the advantages that:

(1) the pressing piece rotates and drives the connecting plate, the connecting plate drives the first rotating shaft to rotate, the first rotating shaft drives the first fixing pipe to rotate, and the first fixing pipe drives the second rubber block and the second positioning block to rotate. When the second block rubber rotated the position of locating frame, in the second block rubber striking first recess, the locating frame played the prevention and the position limited action with the second locating piece to second block rubber and second locating piece, after in the second block rubber strikes first recess, first fixed pipe stall, first pivot and connecting plate simultaneously, the pressing piece was held to the connecting plate, then the pressing piece stall and stop to the extrusion operation of cardboard. A plurality of locating frames are respectively fixed at a plurality of positions of the first mounting pipe by bolts, so that the second rubber block is prevented from rotating at a plurality of different positions.

When the first installation pipe is far away from the position where the second rubber block initially starts to rotate, the second rubber block and the first fixed pipe can rotate by a large angle, the angle of the corresponding first rotating shaft is large, the rotating angle of the connecting plate is large, and the rotating angle of the pressing piece is large. The pressing piece can press the paperboard to a larger extent through a larger rotating angle, and the extrusion degree of the paperboard is improved. On the contrary, when the first mounting pipe is closer to the position where the second rubber block initially starts to rotate, the angle of rotation of the pressing piece is smaller, and the pressing force and the degree of pressing of the pressing piece to the paper board are smaller.

(2) The second rubber block is made of rubber materials, so that the buffer capacity is high, the internal structure of the adjusting piece is prevented from being damaged due to rigid impact, the safety in use is improved, and the service life is prolonged. The second locating piece transmits the effort to the sixth spring when receiving the striking, and the sixth spring receives the extrusion to produce and warp in order to alleviate the extrusion force, plays the buffering guard action.

According to the last back of cardboard is pressed to the pressing part, the pressing part receives reverse effort and transmits the rubber layer, and the rubber layer transmits the extrusion force to the spring pipe, and the spring pipe adopts spring steel to prepare, and the spring pipe produces after receiving the extrusion and warp in order to alleviate the extrusion force, plays the cushioning effect, avoids the extrusion force to cause structural damage too greatly, improves the safety in utilization.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

Figure 1 is a schematic view of the paperboard folding machine of the present invention.

Fig. 2 is a schematic view of the handling frame of the present invention.

Fig. 3 is a schematic view of the holder of the present invention.

Fig. 4 is a schematic view of a carrier of the present invention.

Fig. 5 is a schematic view of a compression member of the present invention.

Fig. 6 is a schematic view of a press of the present invention.

Fig. 7 is a schematic view of the stand of the present invention.

Fig. 8 is a schematic view of an adjustment member of the present invention.

FIG. 9 is a schematic view of the pusher member of the present invention.

Figure 10 is a schematic view of the crane of the present invention.

In the figure: 1-a guide plate; 2-an operation frame; 21-a fixing frame; 211-a first frame; 212-a first screw; 213-a retainer ring; 214-a press seat; 215-a compression member; 2151-a first housing; 2152-a first support bar; 2153-a fourth spring; 2154-rubber sheet; 2155-end cap; 2156-first extrusion seat; 2157-friction layer; 216-a first fixed cavity; 217-a backplane; 218-a carrier; 2181-first top plate; 2182-a second spring; 2183-a first support block; 2184-a carrier block; 2185-a third spring; 219 — a first spring; 22-an operating chamber; 23-a first locating hole; 24-a first positioning groove; 25-a first plate body; 3-pressing piece; 31-a second housing; 32-a second screw; 33-a first coil; 34-a first baffle; 35-a first positioning block; 36-a second coil; 37-a fifth spring; 38-third screw; 39-pressing plate; 310-a reinforcing block; 311-a first connection pipe; 4-a support frame; 41-a first shaft; 42-an adjustment member; 421-a first mounting tube; 422-a second rubber block; 423-second positioning block; 424-first support frame; 425-a sixth spring; 426-a first stop; 427-a first stationary tube; 428-first adjustment bar; 429-first rubber block; 4210-positioning frame; 43-upright post; 44-a connecting plate; 45-a spring tube; 46-a rubber layer; 5-a pusher; 51-a first connecting rod; 52-a first drive plate; 53-a transmission rod; 54-a first base plate; 55-a lifting frame; 551-first support base; 552-a second top plate; 553-a slide shoe; 554-a central rod; 555-positioning plate; 556-a first elevator tube; 557-a second elevator tube; 558-seventh spring; 559-a second adjustment lever; 5510-a first locator.

Detailed Description

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Examples

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments described herein without the need for inventive work, are within the scope of the present invention.

As shown in fig. 1 to 10:

the paperboard folding machine comprises an operation frame 2 and a guide plate 1, wherein the guide plate 1 is wedge-shaped, and the guide plate 1 is fixed at one end of the operation frame 2 through bolts. The support frame 4 is fixed to the middle of the upper side of the operation frame 2 by bolts. The pressing member 3 is pivotally connected to the supporting frame 4. The pushing piece 5 is fixed on the upper side of the operation frame 2 by bolts, and the end part of the pushing piece 5 is pivoted to the side wall of the pressing piece 3.

The working principle is as follows: in use, the folded sheet is slid into the end of the operating frame 2 along the upper side of the guide plate 1, with the front end of the sheet abutting against the side wall of the pressing piece 3. Operating the pushing piece 5, driving the pushing piece 3 by the pushing piece 5, and rotating and pressing the pushing piece 3 on the supporting frame 4 to realize the folding operation of the paper board.

The operation frame 2 includes a first plate 25, and the first plate 25 is rectangular. The operating chamber 22 is wedge-shaped, the operating chamber 22 being recessed at one end of the first plate 25. The fixing frame 21 is fixed to an end of the first plate 25 by bolts. The end portions of the fixing frame 21 and the operation chamber 22 are aligned. The first positioning groove 24 is a rectangular groove recessed at the edge of the operation chamber 22. The two first positioning grooves 24 are aligned in the width direction of the first plate body 25. The first positioning hole 23 is a rectangular hole, and the first positioning hole 23 extends downward from the bottom of the first positioning groove 24.

The fixing frame 21 includes a first frame 211, and the first frame 211 is rectangular parallelepiped. The first fixing cavity 216 is a rectangular cavity penetrating the first frame 211. The first fixing chamber 216 extends along a height direction of the first frame 211. Both sides of the first frame 211 are transparent. The pressing base 214 is rectangular parallelepiped, and the pressing base 214 is slidably disposed on the upper portion of the first fixing cavity 216. The first screw 212 is screw-coupled to an upper portion of the first frame 211, and a lower end of the first screw 212 is screw-coupled to an upper end of the pressing base 214. The two first screws 212 are arranged along the width direction of the first frame 211. The retainer ring 213 is annular, the retainer ring 213 is screwed to the first screw 212, and the retainer ring 213 is located above the pressing base 214. The first spring 219 is sleeved on the first screw 212, and the first spring 219 is compressed between the retainer ring 213 and the compression seat 214. The pressing member 215 is fixed to the lower end of the pressing base 214 by bolts. The bottom plate 217 is rectangular, and the bottom plate 217 fixes the bottom of the inner cavity of the first frame 211 with bolts. The carrier 218 is bolted to the bottom of the inner cavity of the first frame 211, and the carrier 218 is bolted to the lower end of the bottom plate 217.

The carrier 218 comprises carrier blocks 2184, the longitudinal cross-section of the carrier blocks 2184 being in the shape of a Chinese character 'ao'. The recess at the top of the carrier block 2184 is trapezoidal. The first supporting block 2183 is a rectangular parallelepiped shape, and the first supporting block 2183 is fixed to both sides of the bearing block 2184 by bolts. The first support block 2183 extends along the length of the carrier block 2184. The upper portion of the first top plate 2181 is a rectangular plate, and the lower portions of the two side edges of the first top plate 2181 are quadrangular frustum pyramid-shaped prisms. The middle of the lower side of the first top plate 2181 is trapezoidal, and a rectangular first buffer groove is concavely formed in the middle of the lower side of the first top plate 2181. A second spring 2182 is bound between the first support block 2183 and the first top plate 2181. The third spring 2185 is arranged in the first buffer groove in a penetrating manner, the lower end of the third spring 2185 is bound at the upper end of the bearing block 2184, and the upper end of the third spring 2185 is bound at the top of the inner cavity of the first buffer groove.

The pressing member 215 includes a first housing 2151, the first housing 2151 is rectangular frustum-shaped, and the interior of the first housing 2151 is a trapezoidal cavity. The end cap 2155 is rectangular, and the end cap 2155 is bolted to the lower port of the first housing 2151. The rubber plate 2154 is a rectangular thin plate, and the rubber plate 2154 is slidably inserted into the inner cavity of the first housing 2151. The first support bar 2152 is a circular bar, and the first support bar 2152 is screwed between the rubber plate 2154 and the top of the first housing 2151. A plurality of first support bars 2152 are distributed along the length of the rubber plate 2154. The fourth spring 2153 is fitted over the first support bar 2152. Both ends of the fourth spring 2153 are respectively bound between the upper side of the rubber plate 2154 and the top of the first housing 2151. The first pressing base 2156 is hemispherical, and the first pressing base 2156 is pivoted in the end cap 2155. A first sliding groove is concavely provided on the lower side of the rubber plate 2154, and the side wall of the first sliding groove is spherical. The upper end of the first pressing block 2156 slides in the first sliding groove. The friction layer 2157 is a circular thin plate, and the friction layer 2157 is fixed to the lower end of the first pressing base 2156 by bolts. The friction layer 2157 is made of rubber material.

In use, the folded sheet passes from the holder 21 and slides into the operating chamber 22, the sheet sliding along the operating chamber 22 up to the presser 3. The paper board slides through the first fixing cavity 216, and after the paper board moves to the target position, the first screw 212 is rotated, the first screw 212 pushes the pressing base 214 to slide downwards along the first fixing cavity 216 and press against the upper side of the paper board, and the paper board is pressed against the upper side of the bottom plate 217, so that the clamping fixation of the upper side and the lower side of the paper board is realized. In the folding process of the paper board, the paper board is easy to slide when being pushed by external force. After the bottom plate 217 and the extrusion seat 214 clamp and fix the lower side and the upper side of the paperboard respectively, the phenomenon that the paperboard slides during processing is avoided, the stability of operation is improved, the stable operation of the paperboard folding process is ensured, and the effect of paperboard folding is improved.

When the cardboard is pressed downward, the pressing force applied to the cardboard is transmitted to the carrier 218. The first top plate 2181 transmits the downward acting force to the second spring 2182 and the third spring 2185, and the second spring 2182 and the third spring 2185 are pressed to deform to relieve the pressing force, thereby playing a role of buffering. Meanwhile, the first top plate 2181 is pressed upwards by the counter acting force generated by the second spring 2182 and the third spring 2185, so that the lower side of the paper plate is clamped and fixed.

The first shell 2151, end cap 2155 and friction layer 2157 are pressed against the upper side of the cardboard. The friction layer 2157 is made of rubber materials, triangular prism-shaped friction grooves are concavely formed in the lower side surface of the friction layer 2157, the lower side surface of the friction layer 2157 is uneven, friction between the friction layer 2157 and the paper board is increased, and the paper board can be firmly fixed by the friction layer 2157.

When the first support bar 2152 is rotated, the first support bar 2152 pushes the rubber plate 2154 to slide downwards along the inner cavity of the first shell 2151, the rubber plate 2154 presses the first pressing seat 2156 downwards, and the first pressing seat 2156 is pressed on the upper side of the paper board to press and fix the upper side of the paper board. The longitudinal position of the rubber plate 2154 is adjusted by adjusting the height of the rotation of the first support bar 2152, and the magnitude of the pressing force of the rubber plate 2154 to the first pressing base 2156 is adjusted, thereby adjusting the pressing force of the first pressing base 2156 to the paper sheet. When the first support bar 2152 is downward, the rubber plate 2154 is driven downward, so that the downward pressing force of the first pressing seat 2156 on the paper board is increased; and conversely, the downward pressing force of the first pressing seat 2156 on the paperboard is reduced.

In the folding process of the paperboard, when the paperboard is transversely slid under the action of the action force and drives the first extrusion seat 2156 and the friction layer 2157, the first extrusion seat 2156 rotates in the end cover 2155 under the action of the transverse action force of the paperboard, the end part of the first extrusion seat 2156 rotates in the first sliding groove, the condition that the structure of the pressing piece 215 is damaged due to rigid pulling is avoided, and the safety in use is improved.

A plurality of first extrusion seats 2156 and frictional layer 2157 are respectively from a plurality of position points with the extrusion force use the cardboard on, realize that a plurality of position points extrude the cardboard respectively fixedly, ensure that the cardboard is whole atress even, avoid the cardboard to receive local atress great on a position, lead to the cardboard local to receive great effort the damage condition to appear.

The pusher 5 comprises a first bottom plate 54, the first bottom plate 54 being rectangular. The crane 55 is fixed to the upper side of the first base plate 54 by bolts. The lower end of the first driving plate 52 is pivotally connected to the end of the first base plate 54. The first driving plate 52 is pivotally coupled to an upper side of the crane 55. The first connection rod 51 is a circular rod shape, and the first connection rod 51 is screwed to the upper end of the first transmission plate 52. The transmission lever 53 is a circular rod shape, and the transmission lever 53 is pivoted on the upper side of the first transmission plate 52.

The lifting frame 55 comprises a first supporting seat 551, the first supporting seat 551 is quadrangular frustum pyramid shaped, and a trapezoidal first lifting groove is concavely arranged in the middle of the first supporting seat 551. The first positioning seat 5510 is cylindrical, and the first positioning seat 5510 is fixed at the bottom of the inner cavity of the first lifting groove by bolts. The first positioning seat 5510 extends in the height direction of the first lifting groove. The central rod 554 is a round rod, and the central rod 554 is screwed to the upper end of the first positioning seat 5510. The puck 555 is disk-shaped, and the puck 555 is threaded onto the center rod 554. The puck 555 is above the first positioner 5510. The second lift pipe 557 is a circular pipe, and the second lift pipe 557 is fitted around the outside of the first positioning seat 5510. The second lift pipe 557 is threadedly coupled to the first support base 551 and is positioned at the bottom of the inner cavity of the first lift groove. The first elevator tube 556 is tubular in shape, the first elevator tube 556 is threaded onto the upper portion of the second elevator tube 557, and the first elevator tube 556 is threaded onto the lower edge of the puck 555. The puck 555 is made of rubber material. The second adjusting rod 559 is a round rod, and the second adjusting rod 559 is screwed between the upper end of the first positioning seat 5510 and the positioning plate 555. The plurality of second adjustment bars 559 are distributed along a circumferential direction of the first positioning seat 5510. The seventh spring 558 is sleeved on the second adjusting lever 559. Both ends of the seventh spring 558 press against a lower side of the puck 555 and an upper side of the first positioner 5510, respectively. The sliding base 553 is a quadrangular frustum pyramid, the sliding base 553 slides in the first lifting groove, and the sliding base 553 slides and is sleeved on the upper part of the central rod 554. The second top plate 552 is rectangular, and the second top plate 552 is pivotally connected to the upper end of the sliding seat 553.

When the folding carton is used, the transmission rod 53 is pushed, the transmission rod 53 moves and drives the first transmission plate 52 to rotate around the end part of the first bottom plate 54, the first connecting rod 51 rotates along with the first transmission plate 52, the first connecting rod 51 is pivoted to the pressing piece 3, the pressing piece 3 is driven to rotate when the first connecting rod 51 rotates, and the pressing piece 3 is pressed on the upper side of the carton to fold the carton.

The second top plate 552 is pivotally connected to a lower side of the first driving plate 52, and when the second top plate 552 rotates along with the first driving plate 52, the second top plate 552 presses the sliding block 553 downward, and the sliding block 553 slides along the center rod 554, and stops moving when the sliding block 553 hits an upper side of the positioning plate 555 downward. The positioning plate 555 defines the distance and position of the slide block 553 sliding downward. The angle of rotation of the first driving plate 52 is limited by the position of the upper end of the sliding seat 553, and when the positioning plate 555 rotates downward, the sliding seat 553 can slide downward by a large distance, and the angle of rotation of the first driving plate 52 can rotate by a large angle, and correspondingly drives the pressing member 3 to rotate by a large angle, thereby realizing a large degree of extrusion to the paperboard. On the contrary, when the positioning plate 555 rotates upward so that the sliding seat 553 can slide downward by a small distance, the first driving plate 52 rotates by a small angle, and accordingly the pressing member 3 is driven to rotate by a small angle, thereby achieving a small degree of pressing of the paper sheet.

When the sliding block 553 slides down the center rod 554, the center rod 554 guides the sliding block 553, and the first elevation groove guides and defines the position of the sliding block 553, thereby ensuring that the sliding block 553 slides in the right direction and preventing the position deviation.

The positioning plate 555 is made of rubber material, and is deformed to relieve the impact force when being subjected to downward extrusion force, so that the buffer protection effect is achieved. Positioning disk 555 pushes seventh spring 558 downwards, and seventh spring 558 produces and warp and plays the cushioning effect in order to alleviate the extrusion force, and simultaneously, seventh spring 558 produces reverse action force to positioning disk 555 on, ensures that positioning disk 555 is vertical upward stress balance, ensures that positioning disk 555's longitudinal position is stable, and stable realization is to the braking and spacing of sliding seat 553.

The first elevator tube 556 is rotated as needed for the pressing of the cardboard, and the first elevator tube 556 is rotated up to the lower side of the puck 555 and pressed against the lower side of the puck 555. The edge of the lower side of the positioning disk 555 is concavely provided with a circular first positioning ring groove, and the first lifting pipe 556 is tightly propped in the first positioning ring groove to position and support the positioning disk 555. Through the rotatory height of adjustment first fall-and-rise tube 556, adjust the vertical extrusion degree of first fall-and-rise tube 556 to positioning disk 555, adjust the size of first fall-and-rise tube 556 to the vertical holding power of positioning disk 555.

Rotatory second regulation pole 559, second regulation pole 559 support at the lower extreme of positioning disk 555, realize the support to the downside of positioning disk 555, ensure that positioning disk 555 can provide sufficient bearing capacity.

The support frame 4 comprises a column 43, and the column 43 is rectangular. The adjusting member 42 is fixed to the upper portion of the pillar 43 by bolts. The axial direction of the adjusting member 42 and the axial direction of the post 43 are perpendicular to each other. The first rotating shaft 41 is a circular rod, and the first rotating shaft 41 is rotatably screwed in the adjusting member 42. The connection plate 44 is rectangular, and the connection plate 44 is fixed to the first rotating shaft 41 by bolts. The connecting plate 44 extends in the axial direction of the first rotating shaft 41. The spring tube 45 is tubular. A rectangular first damping groove is concavely formed in the side wall of the connecting plate 44, and the spring tube 45 is fixed in the first damping groove by bolts. The plurality of spring tubes 45 are arranged along the width direction of the connecting plate 44. The rubber layer 46 is rectangular, the rubber layer 46 is made of rubber materials, the rubber layer 46 is fixed on the connecting plate 44 through bolts, and the rubber layer 46 is pressed on the spring tube 45.

The adjusting member 42 includes a first installation tube 421, and the first installation tube 421 is a circular tube. The first fixing tube 427 is tubular, and the first fixing tube 427 is coaxially inserted into the inner cavity of the first mounting tube 421. The second positioning block 423 has a trapezoidal longitudinal section, and the second positioning block 423 is fixed to an outer wall of the first fixing tube 427 by bolts in a radial direction of the first fixing tube 427. The second rubber block 422 is wedge-shaped, and the second rubber block 422 is fixed to one side of the second positioning block 423 by bolts. The first supporting frame 424 is triangular prism-shaped, and the first supporting frame 424 is fixed to the other side of the second positioning block 423 by bolts. A triangular first adjusting groove is concavely arranged in the first supporting frame 424. The first stopper 426 is rectangular, and the first stopper 426 is fixed to a port of the first adjustment groove by a bolt. The sixth spring 425 is bound in the first adjustment groove, and one end of the sixth spring 425 is bound to the first stopper 426. The positioning frame 4210 is rectangular frustum-shaped, and the positioning frame 4210 is bolted to the inner wall of the first mounting pipe 421 along the radial direction of the first mounting pipe 421. The plurality of positioning frames 4210 are distributed along a circumferential direction of the inner wall of the first mounting pipe 421. A wedge-shaped first groove is concavely arranged on one side of the positioning frame 4210. The first rubber block 429 is wedge-shaped, and the first rubber block 429 is fixed to the other side of the positioning frame 4210 by bolts. The first adjustment lever 428 is a circular rod, and the first adjustment lever 428 is screwed to the positioning frame 4210 and the first rubber block 429.

In use, the first stationary tube 427 is threaded onto the first rotating shaft 41. The transmission rod 53 pushes the first transmission plate 52, the first transmission plate 52 drives the first connection rod 51, the first connection rod 51 is pivoted in the first connection pipe 311, and the first connection rod 51 drives the pressing member 3 to rotate. The pressing piece 3 and the connecting plate 44 are fixed together with bolts. The pressing piece 3 rotates and drives the connecting plate 44, the connecting plate 44 drives the first rotating shaft 41 to rotate, the first rotating shaft 41 drives the first fixing tube 427 to rotate, and the first fixing tube 427 drives the second rubber block 422 and the second positioning block 423 to rotate. When the second rubber block 422 rotates to the position of the positioning frame 4210, the second rubber block 422 hits the first groove, the positioning frame 4210 stops the second rubber block 422 and the second positioning block 423 and limits the position, after the second rubber block 422 hits the first groove, the first fixing tube 427 stops rotating, the first rotating shaft 41 and the connecting plate 44 pull the pressing member 3, and the pressing member 3 stops rotating and stops the pressing operation on the paperboard. The positioning frames 4210 are respectively fixed at a plurality of positions of the first mounting pipe 421 by bolts, so that the second rubber block 422 is blocked from rotating at a plurality of different positions. When the first mounting tube 421 is far from the position where the second rubber block 422 initially starts to rotate, the second rubber block 422 and the first fixing tube 427 can rotate by a large angle, and accordingly, the angle of the first rotating shaft 41 is large, and the angle of rotation of the connecting plate 44 is large, so that the angle of rotation of the pressing member 3 is large. The pressing piece 3 can press the paperboard to a larger extent through a larger rotating angle, and the extrusion degree of the paperboard is improved. In contrast, when the first mounting tube 421 is closer to the position where the second rubber block 422 initially starts to rotate, the angle of rotation of the pressing member 3 is smaller, and the pressing force and degree of pressing of the pressing member 3 against the paper sheet are smaller.

The second rubber block 422 is made of rubber materials, so that the buffer capacity is high, the internal structure of the adjusting piece 42 is prevented from being damaged due to hard impact, the safety in use is improved, and the service life is prolonged. When the second positioning block 423 is impacted, the acting force is transmitted to the sixth spring 425, and the sixth spring 425 is pressed to deform so as to relieve the pressing force, so that the buffer protection effect is achieved.

Pressing member 3 presses the last back of cardboard, and pressing member 3 receives reverse effort and transmits rubber layer 46, and rubber layer 46 transmits the extrusion force to spring pipe 45, and spring pipe 45 adopts the spring steel to prepare, and spring pipe 45 produces after receiving the extrusion and warp in order to alleviate the extrusion force, plays the cushioning effect, avoids the extrusion force to cause structural damage too greatly, improves the safety in utilization.

The pressing member 3 includes a second housing 31, the second housing 31 is rectangular, and a rectangular first mounting groove is concavely formed in the middle of the lower side of the second housing 31. Rectangular first regulating chambers are perforated on both sides of the second housing 31. A rectangular parallelepiped side stopper is integrally formed at the lower portion of both sides of the second housing 31, and a rectangular parallelepiped first adjustment chamber is inserted into the rectangular parallelepiped side stopper along the axial direction of the side stopper. The first connection pipe 311 is a circular pipe shape, and the first connection pipe 311 is fixed to the upper side of the second housing 31 with a bolt. The first coil 33 is a circular tube, and the first coil 33 is screwed to the second housing 31. The plurality of first coils 33 are uniformly distributed on the second housing 31. The reinforcing block 310 is a rectangular parallelepiped, and the reinforcing block 310 is slidably inserted through a lower portion of the second housing 31. The second screw 32 is screwed into the first screw tube 33, and the lower end of the second screw 32 is screwed to the upper side of the reinforcing block 310. The pressing plate 39 is rectangular, and the pressing plate 39 is fixed to the lower end of the reinforcing block 310 by bolts. The first shutter 34 is rectangular, and the first shutter 34 is fixed to both sides of the second housing 31 by bolts. The first positioning block 35 is a rectangular parallelepiped, and the first positioning block 35 is fixed to the first shutter 34 by bolts in a direction perpendicular to the first shutter 34. The second solenoid 36 is screwed to the upper part of the inner chamber of the first adjustment chamber. The third screw 38 is screwed into the second screw pipe 36, and the lower end of the third screw 38 is screwed to the upper side of the pressing plate 39. The fifth spring 37 is fitted over the third screw 38.

When the first positioning groove 24 is used, the second shell 31 rotates to drive the first baffle 34 and the first positioning block 35 to rotate, the first baffle 34 is made of rubber materials, and when the first baffle 34 rotates and impacts the first positioning groove 24, the first positioning block 35 penetrates through the first positioning hole 23 in a sliding mode. The first positioning groove 24 is used for positioning and supporting the first baffle 34, and the first baffle 34 is prevented from being displaced. The first positioning hole 23 guides the first positioning block 35, so that the first positioning block 35 can move accurately along the direction and position defined by the first positioning hole 23.

When the pressing plate 39 presses the upper side of the paperboard, the pressing plate 39 presses the reinforcing block 310 upwards, meanwhile, the pressing plate 39 presses the edge of the second shell 31 upwards, the second shell 31 presses the fifth spring 37 inwards, and the fifth spring 37 is pressed to deform to relieve the pressing force, so that the buffering effect is achieved, and the self bearing capacity is improved.

When the second screw bar 32 is rotated, the second screw bar 32 rotates and pushes the reinforcing block 310, and the reinforcing block 310 slides in the inner cavity of the second housing 31 and pushes the pressing plate 39, thereby adjusting the height of the pressing plate 39. Rotating the third screw 38, the third screw 38 rotates and pushes the pressing plate 39, thereby adjusting the height of the pressing plate 39.

The height of the pressing plate 39 is adjusted by rotating the second screw 32 and the third screw 38. When the distance between the pressing plate 39 and the upper top surface of the second housing 31 is increased, that is, the pressing plate 39 protrudes downward by a large distance, the pressing plate 39 can press the paper sheet downward by a greater degree. In contrast, when the distance between the pressing plate 39 and the upper top surface of the second housing 31 is decreased, that is, the distance by which the pressing plate 39 protrudes downward is small, the degree by which the pressing plate 39 presses the paper sheet downward is weakened.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Machine for folding cardboard, characterized in that it comprises an operating frame (2) and further comprises:

a guide plate (1) provided at one end of the operation frame (2);

a support frame (4) which is arranged in the middle of the upper side of the operating frame (2);

a pressing piece (3) connected to the supporting frame (4);

a pushing member (5) which is arranged on the upper side of the operation frame (2) and is connected to the side wall of the pressing member (3);

the support frame (4) comprises:

a column (43) having a rectangular parallelepiped shape;

an adjusting member (42) provided at an upper portion of the column (43);

a first rotating shaft (41) screwed in the adjusting member (42);

a connecting plate (44) which is rectangular and fixed to the first rotating shaft (41);

a spring tube (45) which is tubular and fixed to the connecting plate (44);

a rubber layer (46) which is arranged on the connecting plate (44) and is pressed on the spring tube (45);

the adjustment member (42) includes:

a first mounting tube (421) which is tubular;

a first fixing tube (427) which is tubular and coaxially passes through the first mounting tube (421);

a second positioning block 423 having a trapezoidal longitudinal section and fixed to an outer wall thereof in a radial direction of the first fixing tube 427;

a second rubber block (422) which is wedge-shaped and is arranged on one side of the second positioning block (423);

a first support frame (424) which is triangular prism-shaped and is arranged at the other side of the second positioning block (423); a triangular first adjusting groove is concavely arranged in the first supporting frame (424);

a first stopper (426) fixed to a port of the first regulation groove;

a sixth spring (425) bound in the first adjustment groove and connected to the first stopper (426);

a positioning frame (4210) which is quadrangular frustum pyramid-shaped and is arranged on the inner wall of the first mounting pipe (421) along the radial direction; a wedge-shaped first groove is concavely arranged on one side of the groove;

a first rubber block (429) provided on the other side of the positioning frame (4210);

and the first adjusting rod (428) is screwed on the positioning frame (4210) and the first rubber block (429).

2. Machine for folding cardboard according to claim 1, characterized in that said handling frame (2) comprises:

a first plate body (25) which is rectangular parallelepiped;

an operating chamber (22) which is wedge-shaped and is recessed at one end of the first plate (25);

a fixed frame (21) provided at an end of the first plate (25);

a first positioning groove (24) which is a rectangular groove concavely arranged at the edge of the operation cavity (22);

and a first positioning hole (23) which is a rectangular hole and extends downward from the bottom of the first positioning groove (24).

3. Machine for folding cardboard according to claim 2, characterized in that said fixed frame (21) comprises:

a first frame (211) that is rectangular parallelepiped;

the first fixing cavity (216) is a rectangular cavity penetrating through the first frame (211);

the extrusion seat (214) is slidably arranged on the upper part of the first fixed cavity (216) in a penetrating way;

a first screw (212) which is screwed to the upper portion of the first frame (211) and is connected to the upper end of the extrusion seat (214);

a retainer ring (213) that is annular and is screwed to the first screw (212);

a first spring (219) which is sleeved on the first screw rod (212) and is extruded between the retainer ring (213) and the extrusion seat (214);

a pressing member (215) provided at a lower end of the pressing base (214);

a bottom plate (217) which is the bottom of the inner cavity of the rectangular first frame (211);

a carrier (218) fixed to a lower end of the bottom plate (217).

4. Machine for folding cardboard as claimed in claim 3, characterized in that said carrier (218) comprises:

a carrier block (2184) having a longitudinal cross-section in a recessed shape; the recess at the top of the carrier block (2184) is trapezoidal;

a first support block (2183) which is rectangular and fixed on both sides of the bearing block (2184);

a first top plate (2181) which is a rectangular plate at the upper part and is a quadrangular frustum pyramid prism below the two side edges; the middle part of the lower side of the first top plate (2181) is trapezoidal and is provided with a rectangular first buffer groove in an inward concave manner;

a second spring (2182) bound between the first support block (2183) and the first top plate (2181);

and the third spring (2185) penetrates through the first buffer groove, and the lower end of the third spring is bound in the bearing block (2184).

5. Machine for folding cardboard according to claim 3, characterized in that said pressing member (215) comprises:

a first housing (2151) which is a quadrangular frustum pyramid-shaped cavity having a trapezoidal shape inside;

an end cap (2155) which is rectangular and is provided at a lower port of the first housing (2151);

a rubber plate (2154) provided in the first housing (2151);

a first support bar (2152) screwed between the rubber plate (2154) and the top of the first housing (2151);

a fourth spring (2153) fitted around the first support bar (2152);

a first pressing seat (2156) which is hemispherical and fixed inside the end cap (2155);

and a friction layer (2157) provided at a lower end of the first extrusion seat (2156).

6. Machine for folding cardboard according to claim 1, characterized in that said presser (3) comprises:

a second housing (31) which is rectangular and in which a rectangular first mounting groove is concavely formed at the lower middle thereof; a rectangular first adjusting cavity is arranged on two sides of the second shell (31) in a penetrating manner;

a first connection pipe (311) which is a circular pipe shape and is provided on an upper side of the second housing (31);

a first coil (33) which is tubular and screwed to the second housing (31);

a reinforcing block (310) which is rectangular parallelepiped and slidably inserted through the lower portion of the second housing (31);

a second screw (32) screwed into the first screw tube (33) and having a lower end screwed to the reinforcing block (310);

a pressing plate (39) which is rectangular and is provided at the lower end of the reinforcing block (310);

first baffles (34) which are rectangular and disposed on both sides of the second housing (31);

a first positioning block (35) fixed thereto in a direction perpendicular to the first shutter (34);

a second solenoid (36) disposed at an upper portion of the inner chamber of the first adjustment chamber;

a third screw (38) screwed into the second screw tube (36) and having a lower end connected to the upper side of the pressing plate (39);

and a fifth spring (37) which is sleeved on the third screw rod (38).

7. Machine for folding cardboard according to claim 1, characterized in that said pusher (5) comprises:

a first floor (54) that is rectangular;

a lifting frame (55) arranged on the upper side of the first bottom plate (54);

a first transmission plate (52) having a lower end pivotally connected to an end of the first base plate (54); a first driving plate (52) is connected to the upper side of the lifting frame (55);

a first connecting rod (51) screwed to the upper end of the first transmission plate (52);

and a transmission lever (53) which is a circular rod and is pivoted on the upper side of the first transmission plate (52).

8. Machine for folding cardboard according to claim 7, characterized in that said crane (55) comprises:

a first support base (551) which is quadrangular frustum pyramid shaped and is concavely provided with a trapezoidal first lifting groove at the middle part;

a first positioning seat (5510) which is cylindrical and fixed at the bottom of the inner cavity of the first lifting groove;

a center rod (554) screwed to the upper end of the first positioning seat (5510);

a positioning plate (555) screwed on the center rod (554);

a second lifting pipe (557) which is tubular and is sleeved outside the first positioning seat (5510);

a first elevator tube (556) screwed on top of the second elevator tube (557) and connected to the lower edge of the puck (555);

a second adjusting rod (559) which is screwed between the upper end of the first positioning seat (5510) and the positioning disc (555);

a seventh spring (558) sleeved on the second adjusting rod (559);

a sliding base (553) which slides in the first lifting groove and slides on the upper part of the central rod (554);

and a second top plate (552) provided at the upper end of the slide base (553).