CN214606553U - Printing ink printing and drying device for tipping paper - Google Patents

Abstract

The utility model provides a printing ink printing drying device for connecing dress paper belongs to and connects dress paper printing ink stoving technical field. The printing ink printing and drying device for the tipping paper comprises a guide roller set, an exhaust fan, a heating element, a first adjusting element and a second adjusting element. The utility model provides an air exhauster sets up in connecing the relative one side of dress paper printing ink printing, add the heat-insulating material and set up in connecing dress paper printing ink printing homonymy, blow and dry printing ink when printing ink department, avoid directly blowing printing ink and damage the pattern that printing ink printing formed, simultaneously because add the heat-insulating material and produce the heat, make wind carry the heat towards connecing the motion of dress paper printing ink department, can heat the stoving to printing ink like this, guide roller set draws and connects dress paper, the air exhauster is adjusted for connecing the position of dress paper to first regulating part, the position of dress paper is adjusted for connecing to the second regulating part heating member, then can adjust air exhauster and add the position of dress paper for connecing respectively with the heat-insulating material, thereby it dries to carry out printing ink in the different positions department that connects dress paper, and drying efficiency is improved.

Description

Printing ink printing and drying device for tipping paper

Technical Field

The utility model relates to a connect dress paper printing ink drying technology field, concretely relates to printing ink printing drying device for connecing dress paper.

Background

Tipping paper is a special paper that is used for the cigarette industry specially, need pass through printing ink printed pattern on tipping paper when preparing cigarette, if not handling the printing ink on the tipping paper, printing ink needs longer time just can dry, so efficiency is lower, current printing ink on the tipping paper is dried and is generally carried out the blast air through the air-blower to the printing ink department on the tipping paper, though can dry printing ink like this, but can blow printing ink at the in-process stroke of drying for the pattern on the tipping paper changes, influences the printing effect of tipping paper.

Chinese patent CN207262887U, published Japanese 2018-04-20 discloses a novel tipping paper drying device, and relates to the technical field of tipping paper production. Including the base, install the drying chamber on the base, the drying chamber is door shape cavity structure, corresponds respectively on the inboard base of vertical cavity about the drying chamber and installs hot air drying machine, and the cooling tube that sets up on the hot air drying machine stretches into in the vertical cavity, install far infrared heating array on the bottom surface in the horizontal cavity of drying chamber, install the draught fan on the top surface of horizontal cavity, be connected with out the tuber pipe on the draught fan, all install the guide roller group that is used for pulling to connect dress paper on the side of base and the inner wall of drying chamber. The utility model has reasonable design, and the drying chamber which skillfully utilizes the door-shaped cavity structure is provided with three drying closes, thereby not only having good primary drying effect, but also saving the working field and improving the processing efficiency; the far infrared heating array not only can play a drying role, but also can dry, solidify and shape the printing ink after printing and gold stamping. Blow to connecing the printing ink department on adorning the paper through hot-air drying machine in the above-mentioned patent, the wind speed is great, can blow printing ink for connect the pattern on the dress paper to change, the influence connects the printing effect of adorning paper.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printing ink printing drying device for connecing dress paper to above-mentioned prior art not enough.

The utility model provides a printing ink printing drying device for connecing dress paper, including being used for drawing the guide roller group who connects dress paper, set up in the air exhauster that connects the relative one side of dress paper printing ink printing, set up in the heating member that connects dress paper printing homonymy for adjust the air exhauster for the first regulating part that connects the position of dress paper, be used for adjusting the second regulating part of heating member for connecing the position of dress paper, first regulating part includes the first pneumatic cylinder of vertical setting, sets up on first pneumatic cylinder, the top is fixed in the air exhauster, is used for driving the first hydraulic stem of air exhauster along vertical direction motion when it is flexible, and the second pneumatic cylinder of level setting sets up on the second pneumatic cylinder, one end is fixed in first pneumatic cylinder, is used for driving the second hydraulic stem of first pneumatic cylinder along the horizontal direction motion when it is flexible.

Further, the suction opening of the exhaust fan is vertically arranged upwards.

Further, the second regulating part includes the third pneumatic cylinder that the level set up, set up on the third pneumatic cylinder, the bottom mounting is in the heating member, be used for driving the third hydraulic stem of heating member along the motion of horizontal direction when it is flexible, connect in the head rod of third pneumatic cylinder, the fourth pneumatic cylinder of vertical setting, set up on the fourth pneumatic cylinder, one end is fixed in the head rod, be used for driving the fourth hydraulic stem that the head rod moved in order to drive the motion of third hydraulic stem in vertical direction along vertical direction when it is flexible.

Further, the heating element comprises a heating plate and a filtering structure which is fixedly arranged on the periphery of the heating plate and used for filtering air when the air moves towards the ink on the tipping paper.

Further, the filter structure includes that its middle part is fixed in the first filter screen of hot plate one end, and its middle part is fixed in the second filter screen of the hot plate other end, and both ends are connected respectively in the third filter screen on first filter screen top, second filter screen top, and both ends are connected respectively in the fourth filter screen of first filter screen one side end, second filter screen one side end, and both ends are connected respectively in the fifth filter screen of first filter screen other side end, second filter screen other side end, third hydraulic stem one end is fixed in first filter screen.

Furthermore, a plurality of heating pipes are arranged on the inner side of the heating plate, and a ventilation groove is formed between every two adjacent heating pipes.

Further, the filtering structure is a cuboid filtering structure, and the bottom ends of the first filter screen, the second filter screen, the fourth filter screen and the fifth filter screen are kept parallel and level.

Further, the filter paper comprises a first stop plate arranged between one end of the tipping paper ink printing and the filter structure, and a first supporting piece used for supporting the first stop plate.

Further, hot plate one end is equipped with first thread groove, the other end is equipped with the second thread groove, first filter screen one end is run through and is equipped with first mounting groove, second filter screen one end is equipped with the second mounting groove, still includes that one end runs through in first mounting groove and spiro union in the first screw of first thread groove, and one end runs through in the second mounting groove and spiro union in the second screw of second thread groove.

Further, the first supporting part comprises a fifth hydraulic cylinder, the fifth hydraulic cylinder is arranged on the fifth hydraulic cylinder, one end of the fifth hydraulic cylinder is connected to the first stop plate, the fifth hydraulic rod is used for driving the first stop plate to move along the horizontal direction when the fifth hydraulic cylinder stretches out and draws back, the second connecting rod is connected to the fifth hydraulic cylinder, and the sixth hydraulic cylinder is arranged on the sixth hydraulic cylinder, and one end of the sixth hydraulic cylinder is connected to the second connecting rod and used for driving the second connecting rod to move along the vertical direction when the sixth hydraulic cylinder stretches out and draws back so as to drive the sixth hydraulic rod to move along the vertical direction.

Further, the distance between the bottle mouth at the top end of the liquid receiving bottle and the second punching partition plate is 1-2 cm.

The utility model discloses a printing ink printing drying device for connecing dress paper has following beneficial effect:

1. the exhaust fan is arranged on one side opposite to the printing of the ink of the tipping paper, the heating element is arranged on the same side as the printing of the ink of the tipping paper, and therefore when the exhaust fan performs air suction, air on the same side as the printing of the ink of the tipping paper can move towards the exhaust fan, the ink is dried when the air blows to the printing ink, and the situation that the pattern formed by printing of the ink is damaged due to the fact that the ink is directly blown is avoided;

2. an air suction opening of the exhaust fan is vertically arranged upwards, so that the air suction efficiency at the preset position of the tipping paper is improved, and the printing ink drying efficiency is further improved;

3. the first filter screen, the second filter screen, the third filter screen, the fourth filter screen and the fifth filter screen form a rectangular filter structure, so that when the exhaust fan performs air suction, impurities in air are prevented from being in the ink, the ink is prevented from being polluted, and the ink drying efficiency is prevented from being influenced;

4. after the air enters the filtering structure, the heating pipe is heated to generate heat, the ventilation groove can facilitate the penetration of the air, the efficiency of the air moving to the printing ink is improved, and meanwhile, the heat emitted by the heating pipe can be absorbed to form hot air when the air penetrates through the ventilation groove, so that the printing ink drying efficiency is improved;

5. the third hydraulic rod stretches and retracts to drive the filtering structure to move along the horizontal direction, the fourth hydraulic cylinder moves in the vertical direction to drive the third hydraulic rod to move in the vertical direction, so that the filtering structure is driven to move in the vertical direction, the first stop plate is arranged between one end of the tipping paper printing ink printing and the filtering structure, the filtering structure is limited when the filtering structure vertically moves towards the direction close to the tipping paper, and the tipping paper is prevented from being damaged by the filtering structure;

6. after adjusting the hot plate to predetermineeing the angle, run through in first mounting groove and spiro union in first thread groove, second screw one end through in second mounting groove and spiro union in second thread groove and be fixed in the cuboid filtration with the hot plate through first screw one end, the region that the increase heat gived off improves the wind and absorbs thermal efficiency.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of an ink printing and drying device for tipping paper according to an embodiment of the present invention;

fig. 2 is a side view of an ink printing and drying apparatus for tipping paper according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a filter structure in an ink printing and drying device for tipping paper according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a heating plate in an ink printing and drying device for tipping paper according to an embodiment of the present invention.

In the figure: 1-tipping paper, 2-guide roller group, 3-exhaust fan, 41-first hydraulic cylinder, 42-first hydraulic rod, 43-second hydraulic cylinder, 44-second hydraulic rod, 5-heating plate, 51-first screw, 52-second screw, 53-heating pipe, 54-ventilation groove, 6-filtering structure, 61-first filter screen, 62-second filter screen, 63-third filter screen, 64-fourth filter screen, 71-third hydraulic cylinder, 72-third hydraulic rod, 73-first connecting rod, 74-fourth hydraulic cylinder, 75-fourth hydraulic rod, 8-first stop plate, 91-fifth hydraulic cylinder, 92-fifth hydraulic rod, 93-second connecting rod, 94-sixth hydraulic cylinder and 95-sixth hydraulic rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

Please refer to fig. 1 to 4. The printing ink printing and drying device for the tipping paper of the embodiment of the utility model comprises a guide roller group 2 for drawing the tipping paper 1, an exhaust fan 3 arranged at one side of the tipping paper 1 opposite to the printing ink printing, a heating element arranged at the same side of the printing ink printing of the tipping paper 1, the first adjusting part is used for adjusting the position of exhaust fan 3 for tipping paper 1, the second adjusting part is used for adjusting the position of heating element for tipping paper 1, the first adjusting part comprises a first hydraulic cylinder 41 which is vertically arranged, the first hydraulic cylinder 41 is arranged on the first hydraulic cylinder 41, the top end of the first hydraulic cylinder is fixed on the exhaust fan 3, a first hydraulic rod 42 which is used for driving the exhaust fan 3 to move along the vertical direction when the first hydraulic rod extends and retracts, a second hydraulic cylinder 43 which is horizontally arranged is arranged, the second hydraulic cylinder 43 is arranged on the second hydraulic cylinder 43, one end of the second hydraulic cylinder is fixed on the first hydraulic cylinder 41, and a second hydraulic rod 44 which is used for driving the first hydraulic cylinder 41 to move along the horizontal direction when the second hydraulic cylinder extends and retracts.

Here, the exhaust fan 3 is arranged on the opposite side of the ink printing of the tipping paper 1, the heating element is arranged on the same side of the ink printing of the tipping paper 1, thus when the exhaust fan 3 performs air suction, the air on the same side of the ink printing of the tipping paper 1 can move towards the exhaust fan 3, the ink is dried when the air blows to the ink position, the ink is prevented from being directly blown to damage the pattern formed by the ink printing, meanwhile, because the heating element generates heat, the air carries the heat to move towards the ink position of the tipping paper 1, thus the drying of the ink can be heated, the guide roller group 2 pulls the tipping paper 1, the position of the exhaust fan 3 relative to the tipping paper 1 is adjusted by the first adjusting element, the position of the heating element relative to the tipping paper 1 is adjusted by the second adjusting element, then the positions of the exhaust fan 3 and the heating element relative to the tipping paper 1 can be respectively adjusted, thereby the ink drying is performed at different positions of the tipping paper 1, the drying efficiency is improved. The second hydraulic cylinder 43 is fixed to the ground.

Air suction opening of air exhauster 3 can vertically upwards set up, connects the position that has printing ink printing on dress paper 1 and keeps the level setting, connects dress paper 1 one side that has printing ink printing and for vertical upwards setting, then connects dress paper 1 one side that does not have printing ink printing and for vertical setting down, improves the convulsions efficiency of the paper 1 predetermined position department of butt joint dress, further improves printing ink drying efficiency.

The second regulating part can include the third pneumatic cylinder 71 that the level set up, set up on third pneumatic cylinder 71, the bottom mounting is with the heating member, be used for driving the third hydraulic stem 72 that the heating member moved along the horizontal direction when it stretches out and draws back, connect in the head rod 73 of third pneumatic cylinder 71, the fourth hydraulic cylinder 74 of vertical setting, set up on fourth hydraulic cylinder 74, one end is fixed in head rod 73, a fourth hydraulic stem 75 for driving head rod 73 and move along the vertical direction in order to drive third hydraulic stem 72 and move on the vertical direction when it stretches out and draws back. The fourth hydraulic cylinder 74 is fixed to the ground.

The heating member may comprise a heating plate 5, a filter structure 6 fixedly provided on the periphery of the heating plate 5 for filtering the wind as the wind moves towards the ink on the tipping paper 1.

The filter structure 6 may include a first filter 61 fixed at a middle portion thereof to one end of the heating plate 5, a second filter 62 fixed at the other end of the heating plate 5, a third filter 63 connected at two ends thereof to a top end of the first filter 61 and a top end of the second filter 62, a fourth filter 64 connected at two ends thereof to one side end of the first filter 61 and one side end of the second filter 62, a fifth filter connected at two ends thereof to the other side end of the first filter 61 and the other side end of the second filter 62, and a third hydraulic rod 72 fixed at one end of the first filter 61.

A plurality of heating pipes 53 may be disposed inside the heating plate 5, and a ventilation groove 54 is disposed between two adjacent heating pipes 53. After in wind gets into filtration 6, heating pipe 53 heats and produces the heat, and ventilation groove 54 can make things convenient for wind to see through, improves the efficiency that wind moved to printing ink department, can absorb the heat formation that heating pipe 53 gave out hot-blast when wind sees through ventilation groove 54 simultaneously, improves printing ink drying efficiency.

The filtering structure 6 can be a rectangular filtering structure 6, and the bottom ends of the first filter screen 61, the second filter screen 62, the fourth filter screen 64 and the fifth filter screen are kept flush. First filter screen 61, second filter screen 62, third filter screen 63, fourth filter screen 64, fifth filter screen form cuboid filtration 6, when air exhauster 3 carries out the induced draft like this, avoid the impurity in the air to carry out in the printing ink to pollute printing ink, influence printing ink drying efficiency.

The ink printing and drying device for tipping paper in the embodiment can further comprise a first stop plate 8 arranged between one end of the tipping paper 1 printed with ink and the filter structure 6, and a first support member for supporting the first stop plate 8. At the flexible filtration 6 that drives of third hydraulic stem 72 along the horizontal direction motion, fourth pneumatic cylinder 74 moves at vertical direction and drives third hydraulic stem 72 and move on vertical direction, thereby drive filtration 6 and move on vertical direction, first backstop board 8 sets up between the one end of connecing paper 1 printing ink printing and filtration 6, thereby it is spacing for filtration 6 when vertical motion is being made towards being close to in the direction of connecing paper 1 to filter 6, avoid filtration 6 to damage and connect dress paper 1. The first stop plate 8 may be a square frame plate

Heating plate 5 one end can be equipped with first thread groove, the other end is equipped with the second thread groove, and first filter screen 61 one end is run through and is equipped with first mounting groove, and second filter screen 62 one end is equipped with the second mounting groove, still includes that one end runs through in first mounting groove and spiro union in the first screw 51 of first thread groove, and one end runs through in the second mounting groove and spiro union in the second screw 52 of second thread groove. After adjusting hot plate 5 to predetermineeing the angle, run through in first mounting groove and spiro union in first thread groove, second screw 52 one end through first screw 51 one end and run through in second mounting groove and spiro union in second thread groove with hot plate 5 be fixed in cuboid filtration 6, the region that the increase heat gived off improves the thermal efficiency of wind absorption. The joints of the first filter screen 61 and the third filter screen 63 are adhered through viscose glue, the joints of the second filter screen 62 and the third filter screen 63 are adhered through viscose glue, the joints of the fourth filter screen 64 and the first filter screen 61 are adhered through viscose glue, the joints of the fourth filter screen 64 and the second filter screen 62 are adhered through viscose glue, the joints of the fifth filter screen and the first filter screen 61 are adhered through viscose glue, the joints of the fifth filter screen and the second filter screen 62 are adhered through viscose glue, one end of the third hydraulic rod 72 is provided with a first magnet, one end of the first filter screen 61 is provided with a second magnet for adsorbing the first magnet, so that the heating plate 5 is taken out of the cuboid filtering structure 6, then with second magnet and first magnet separation, can clear up the impurity on the cuboid filtration 6, improve the efficiency that the filtration efficiency and the wind of cuboid filtration 6 permeated.

The first supporter may include a fifth hydraulic cylinder 91, a fifth hydraulic rod 92 disposed on the fifth hydraulic cylinder 91 and having one end connected to the first stopper plate 8 to drive the first stopper plate 8 to move in the horizontal direction when it is extended or retracted, a second connecting rod 93 connected to the fifth hydraulic cylinder 91, a sixth hydraulic cylinder 94, a sixth hydraulic rod 95 disposed on the sixth hydraulic cylinder 94 and having one end connected to the second connecting rod 93 to drive the second connecting rod 93 to move in the vertical direction when it is extended or retracted to drive the fifth hydraulic rod 92 to move in the vertical direction, the first stop plate 8 can thus be adjusted to move synchronously with the rectangular body filter structure 6 by the combined action of the fifth and sixth hydraulic cylinders 91, 94, the position between the first stop plate 8 and the rectangular body filtering structure 6 is kept unchanged, and the normal function of the first stop plate 8 on the limiting function of the rectangular body filtering structure 6 is ensured. The sixth hydraulic cylinder 94 is fixed to the ground.

The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.

It should be noted that, in the description of the present application, it should be noted that the terms "upper end", "lower end" and "bottom end" indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the application is usually placed in when the product of the application is used, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides an ink printing drying device for connecing dress paper which characterized in that: comprises a guide roller group (2) for drawing the tipping paper (1), an exhaust fan (3) arranged on one side of the tipping paper (1) opposite to the ink printing, a heating element arranged on the same side of the tipping paper (1) as the ink printing, a first adjusting piece used for adjusting the position of the exhaust fan (3) relative to the tipping paper (1), a second adjusting piece used for adjusting the position of the heating piece relative to the tipping paper (1), the first adjusting piece comprises a first hydraulic cylinder (41) which is vertically arranged, the first hydraulic cylinder (41) is arranged on the first hydraulic cylinder (41), the top end of the first hydraulic cylinder is fixed on the exhaust fan (3), the first hydraulic rod (42) is used for driving the exhaust fan (3) to move along the vertical direction when the first hydraulic cylinder stretches out and draws back, and the second hydraulic cylinder (43) which is horizontally arranged is arranged on the second hydraulic cylinder (43), one end of the second hydraulic cylinder is fixed on the first hydraulic cylinder (41), and the second hydraulic rod (44) is used for driving the first hydraulic cylinder (41) to move along the horizontal direction when the second hydraulic cylinder stretches out and draws back.

2. An ink printing dryer for tipping paper according to claim 1 wherein: and an air suction opening of the exhaust fan (3) is vertically and upwards arranged.

3. An ink printing dryer for tipping paper according to claim 1 or 2 wherein: the second regulating part includes third pneumatic cylinder (71) that the level set up, set up on third pneumatic cylinder (71), the bottom mounting is in the heating member, be used for driving third hydraulic stem (72) that the heating member moved along the horizontal direction when it is flexible, connect in head rod (73) of third pneumatic cylinder (71), the fourth pneumatic cylinder (74) of vertical setting, set up on fourth pneumatic cylinder (74), one end is fixed in head rod (73), be used for driving head rod (73) when it is flexible and move fourth hydraulic stem (75) in order to drive third hydraulic stem (72) in the motion of vertical direction along vertical direction.

4. An ink printing dryer for tipping paper according to claim 3 wherein: the heating element comprises a heating plate (5) and a filtering structure (6) which is fixedly arranged on the periphery of the heating plate (5) and used for filtering air when the air moves towards the ink on the tipping paper (1).

5. An ink printing dryer for tipping paper according to claim 4 wherein: filtration (6) are fixed in first filter screen (61) of hot plate (5) one end including its middle part, and second filter screen (62) at the hot plate (5) other end is fixed in to its middle part, and both ends are connected respectively in third filter screen (63) on first filter screen (61) top, second filter screen (62) top, and both ends are connected respectively in fourth filter screen (64) of first filter screen (61) one side, second filter screen (62) one side, and both ends are connected respectively in the fifth filter screen of first filter screen (61) other side, second filter screen (62) other side, third hydraulic stem (72) one end is fixed in first filter screen (61).

6. An ink printing dryer for tipping paper according to claim 5 wherein: the heating plate (5) is provided with a plurality of heating pipes (53) on the inner side, and a ventilation groove (54) is arranged between every two adjacent heating pipes (53).

7. An ink printing dryer for tipping paper according to claim 6 wherein: the filtering structure (6) is a cuboid filtering structure (6), and the bottom ends of the first filter screen (61), the second filter screen (62), the fourth filter screen (64) and the fifth filter screen are kept parallel and level.

8. An ink printing dryer for tipping paper according to claim 7 wherein: the filter paper packaging structure further comprises a first stop plate (8) arranged between one end of the tipping paper (1) printed with the ink and the filter structure (6), and a first supporting piece used for supporting the first stop plate (8).

9. An ink printing dryer for tipping paper according to claim 5 wherein: hot plate (5) one end is equipped with first thread groove, the other end is equipped with the second thread groove, first filter screen (61) one end is run through and is equipped with first mounting groove, second filter screen (62) one end is equipped with the second mounting groove, still includes that one end runs through in first mounting groove and spiro union in first screw (51) of first thread groove, and one end runs through in second mounting groove and spiro union in second screw (52) of second thread groove.

10. An ink printing dryer for tipping paper according to claim 8 wherein: the first supporting piece comprises a fifth hydraulic cylinder (91), the fifth hydraulic cylinder is arranged on the fifth hydraulic cylinder (91), one end of the first supporting piece is connected to the first stop plate (8), a fifth hydraulic rod (92) used for driving the first stop plate (8) to move along the horizontal direction when the first supporting piece stretches out and draws back, a second connecting rod (93) connected to the fifth hydraulic cylinder (91), a sixth hydraulic cylinder (94) is arranged on the sixth hydraulic cylinder (94), one end of the sixth hydraulic cylinder is connected to the second connecting rod (93), and the sixth hydraulic rod (95) used for driving the second connecting rod (93) to move along the vertical direction to drive the fifth hydraulic rod (92) to move in the vertical direction when the first supporting piece stretches out and draws back.

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