CN112874003B

CN112874003B - Pressing and holding mechanism of packaging box pressing and setting machine

Info

Publication number: CN112874003B
Application number: CN202110030723.6A
Authority: CN
Inventors: 金方晓
Original assignee: Shanxi Ruicheng Yangsen Packaging Co ltd
Current assignee: Shanxi Ruicheng Yangsen Packaging Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2022-09-23
Anticipated expiration: 2041-01-11
Also published as: CN112874003A

Abstract

The invention discloses a pressing mechanism of a packaging box pressing and setting machine, relates to the technical field of pressing machines, solves the problems of inconvenience and poor reliability of the existing pressing machine when used for packaging boxes of different specifications, and comprises a pushing mechanism connecting plate; the bottom of the pushing mechanism connecting plate is fixedly connected with a first sliding rail, a second sliding rail and a fourth sliding rail through welding; a guide post is embedded into the inner side of each positioning sleeve in a sliding manner; the bottoms of the guide columns are fixedly connected with a pressing block; and the top of the positioning sleeve is also embedded with a positioning baffle. A burnishing surface can be constituteed to the bottom of the rectangular structure that the clamp plate of this device is constituteed, and the open slot of outer clamp plate one side bottom also can imbed the briquetting moreover, even its border position of briquetting that does not imbed also can play the pressure and hold the effect to guarantee when can stretch out and draw back the adjustment to press packing carton jail compaction, the roughness of holding the position also can accord with the processing requirement completely, uses more reliable and more stable.

Description

Pressing and holding mechanism of packaging box pressing and setting machine

Technical Field

The invention relates to the technical field of pressing machines, in particular to a pressing mechanism of a packaging box pressing and forming machine.

Background

The paper carton is widely applied as an important packing material for containing products, and has the advantages of environmental protection, low cost, light weight and convenient transportation. The paper box is widely applied to industries such as electronics, food, beverage, wine, tea, cigarettes, medicine, health care products, cosmetics, small household appliances, clothes, toys, sports goods and the like, and industries such as product packaging matching and the like, and is an indispensable industry, and the paper box needs to be pressed by a pressing machine during production.

For example, application number is 201921135144.2's patent discloses a packing carton pressfitting machine, belongs to the pressfitting machine field, and its technical scheme main points are including the workstation, the workstation is including the bottom plate that is the level and arranges, be provided with a plurality of diaphragm capsules on the bottom plate, it has the roof to go up and down to be connected with on the top surface of diaphragm capsule, the installation is used for ordering about the elevating gear that the roof goes up and down in the diaphragm capsule, be provided with a pair of supporting beam on the bottom plate, fixedly connected with is the fixed plate that the level was arranged on the supporting beam, the vertical cylinder that is provided with on the top surface of fixed plate, the cylinder stretches out downwards has the piston rod, the pressfitting board is installed to the tip of piston rod, the pressfitting board is the level setting, and the advantage of this kind of packing carton pressfitting machine is in replacing manual operation, improves production efficiency.

Based on the above, the pressing and holding mechanisms of the existing pressing machine are all in a fixed structure with long and wide widths, so that the pressing and holding mechanism with one specification can only press and hold the packaging box with one specification, and is difficult to use when different packaging boxes are processed, and although some packaging boxes can be adjusted, the bottom surface is mostly adjusted in a telescopic way, and the bottom surface is uneven after telescopic adjustment, so that the pressing and holding effect is poor, the packaging boxes are difficult to press and hold flatly, and the use reliability is poor; therefore, the existing requirements are not met, and the pressing mechanism of the packaging box pressing and forming machine is provided.

Disclosure of Invention

The invention aims to provide a pressing and holding mechanism of a packaging box pressing and forming machine, which aims to solve the problems that the pressing and holding mechanisms of the existing pressing and forming machines in the background art are all in a long-wide fixed structure, so that the pressing and holding mechanism of one specification can only press and hold the packaging box of one specification, the packaging box is difficult to use when different packaging boxes are processed, and some packaging boxes can be adjusted, but are mostly adjusted in a telescopic way, and the bottom surface is uneven after the telescopic adjustment, so that the pressing and holding effect is poor, the packaging box is difficult to press and hold flat, and the use reliability is poor.

In order to achieve the purpose, the invention provides the following technical scheme: a pressing and holding mechanism of a packaging box pressing and setting machine comprises a pushing mechanism connecting plate; the bottom of the pushing mechanism connecting plate is fixedly connected with a first sliding rail, a second sliding rail and a fourth sliding rail through welding; the bottom of the fourth sliding rail is also provided with a third sliding rail in a sliding embedded manner; the bottom of the pushing mechanism connecting plate is fixedly connected with a first connecting frame through welding; the bottom of the second sliding rail is in sliding connection with the top of the second connecting frame; the bottom of the third sliding rail is in sliding connection with the top of the third connecting frame; the bottom of the first sliding rail is in sliding connection with the top of the fourth connecting frame; a first telescopic rod is fixedly connected between the third connecting frame and the fourth connecting frame; the bottom of the pushing mechanism connecting plate is fixedly provided with a first electric cylinder, and one end of the first electric cylinder is fixedly connected with the outer side of the first telescopic rod; a second telescopic rod is fixedly connected between the second connecting frame and the third connecting frame; a second electric cylinder is fixedly mounted at the bottom of the pushing mechanism connecting plate, and one end of the second electric cylinder is fixedly connected with the outer side of the second telescopic rod; the bottom of the first connecting frame is fixedly connected with a first outer pressing plate and a second outer pressing plate; one side of the first outer pressing plate is provided with a first inner pressing plate in a sliding embedded mode; the top of one end of the first inner pressure plate is fixedly connected with the bottom of the fourth connecting frame; one side of the second outer pressing plate is provided with a second inner pressing plate in a sliding embedded mode; the top of one end of the second inner pressure plate is fixedly connected with the bottom of the second connecting frame; one end of the second inner pressing plate is fixedly connected with a third outer pressing plate; one side of the third outer pressing plate is provided with a third inner pressing plate in a sliding embedded mode; one end of the third inner pressing plate is fixedly connected with the bottom of the third connecting frame; one end of the first inner pressure plate is fixedly connected with one end of the fourth outer pressure plate; the other side of the fourth outer pressing plate is provided with a fourth inner pressing plate in a sliding embedded mode; one end of the fourth inner pressure plate is also fixedly connected with the bottom of the third connecting frame; the top parts of the first inner pressing plate, the second inner pressing plate, the third inner pressing plate and the fourth inner pressing plate are all fixedly provided with a plurality of positioning sleeves at equal intervals; a guide post is embedded into the inner side of each positioning sleeve in a sliding manner; the bottoms of the guide columns are fixedly connected with a pressing block; and the top of the positioning sleeve is also embedded with a positioning baffle.

Preferably, the second inner pressing plate can slide left and right on the inner side of the second outer pressing plate, and the fourth inner pressing plate can slide left and right on the inner side of the fourth outer pressing plate.

Preferably, the first inner pressing plate can slide back and forth on the inner side of the first outer pressing plate, and the third inner pressing plate can slide back and forth on the inner side of the third outer pressing plate.

Preferably, the top of the first outer pressing plate, the second outer pressing plate, the third outer pressing plate and the fourth outer pressing plate is provided with a rectangular groove with the same width as the positioning sleeve, and one side of the rectangular groove is open.

Preferably, the top of No. two link, No. three link, No. four link and No. three slide rails is T font structure, and corresponding T shape guide slot has still all been seted up to a slide rail, No. two slide rails, No. three slide rails and No. four slide rail bottoms, and No. four link and No. three link can slide around a slide rail and No. three slide rail bottom is driven through an electronic jar, and No. two link and No. three slide rail can drive the horizontal slip through No. two electronic jars in No. two slide rails and No. four slide rail bottoms.

Preferably, the equal fixedly connected with in top of guide post is dull and stereotyped, and dull and stereotyped bottom is all fixed and is provided with two springs, and the spring can promote the guide post and upwards slide to the briquetting that drives the guide post bottom contacts with the interior clamp plate bottom that corresponds, and its whole thickness of briquetting and interior clamp plate contact back equals with the height of the inboard rectangular channel of outer press plate.

Preferably, the top of position sleeve is all fixed and is provided with a set of rectangular hole, and the rectangular hole size equals with location separation blade longitudinal section size, and position sleeve one side still all is fixed and is provided with one and can be with location separation blade male slot, and when the dull and stereotyped and the position sleeve top contact of guide post lapse to the guide post top, the location separation blade can insert the rectangular hole at position sleeve top just, and the bottom face of briquetting can be located the coplanar with the bottom face of outer clamp plate this moment in addition.

Preferably, the bottom of one side of the opening of the first outer pressing plate, the second outer pressing plate, the third outer pressing plate and the fourth outer pressing plate is fixedly provided with a square open slot, and the width of each slot is three quarters of the width of the pressing block.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the whole length and the width of this device bottom clamp plate of length and width adjustment of the packing carton that the earlier as required pressure was held during the use, earlier take the location separation blade whole from the position sleeve top out during the adjustment, then control the electronic jar of a flexible can promote the telescopic link back-and-forth movement No. one, thereby drive the outer clamp plate of No. four and the inner clamp plate of No. four back-and-forth movement make its and No. two outer clamp plate and No. two inner clamp plate's interval change, thereby adjust the whole width of this device clamp plate, the same reason can promote the telescopic link of No. two and remove through controlling the electronic jar of No. two is flexible and remove, thereby drive the outer clamp plate of No. three and remove and make its and the interval change of an outer clamp plate and an inner clamp plate about No. three, thereby adjust the whole length of this device clamp plate, conveniently press the not unidimensional packing carton and hold the processing, and also make things convenient and flexible during the adjustment.

Second, after this device has adjusted the width, press down the guide post at the outside extension top of four piece internal pressing plates, the bottom face that at this moment its bottom corresponds the briquetting can the downstream be in the coplanar with external pressure clamp plate bottom face, then insert the rectangular hole at position sleeve top with the location separation blade, so can make its oneself rebound not with briquetting rigidity, thereby constitute a planishing face with the bottom of the rectangular structure that the clamp plate of this device is constituteed, and the open slot of external pressure plate one side bottom also can imbed the briquetting, even its border position of briquetting also can play the pressure and hold the effect not imbedding, thereby guarantee to press the packing carton firmly the compaction when can stretch out and draw back the adjustment, the roughness of pressure and hold the position also can accord with the processing requirement completely, use more reliable and more stable.

Drawings

FIG. 1 is a schematic view of a fully expanded bent axis side configuration of the present invention;

FIG. 2 is a schematic view of the fully expanded bottom side structure of the present invention;

FIG. 3 is a schematic view of a partially collapsed nose-side configuration of the present invention;

FIG. 4 is a schematic bottom view of the partially retracted configuration of the present invention;

FIG. 5 is a schematic side view of the inner platen of the present invention with a partial cut;

FIG. 6 is an enlarged partial view of the structure at point A of FIG. 4;

FIG. 7 is an enlarged, partial, schematic view of the structure of FIG. 5 at point B;

FIG. 8 is an enlarged partial view of the structure of FIG. 5 at point C;

in the figure: 1. the pushing mechanism connecting plate; 2. a first connecting frame; 3. a second connecting frame; 4. a third connecting frame; 5. a fourth connecting frame; 6. a first electric cylinder; 7. a second electric cylinder; 8. an outer pressing plate; 9. a first inner pressure plate; 10. a second outer pressing plate; 11. a second inner pressing plate; 12. a third outer pressing plate; 13. a third inner pressing plate; 14. a fourth outer pressing plate; 15. a fourth inner pressing plate; 16. a first slide rail; 17. a second sliding rail; 18. a third sliding rail; 19. a fourth sliding rail; 20. a first telescopic rod; 21. a second telescopic rod; 22. a positioning sleeve; 23. pressing into blocks; 24. a guide post; 25. and positioning the blocking piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, an embodiment of the present invention includes: a pressing and holding mechanism of a packaging box pressing and setting machine comprises a pushing mechanism connecting plate 1; the bottom of the pushing mechanism connecting plate 1 is fixedly connected with a first sliding rail 16, a second sliding rail 17 and a fourth sliding rail 19 through welding; the bottom of the fourth sliding rail 19 is also provided with a third sliding rail 18 in a sliding embedded mode; the bottom of the pushing mechanism connecting plate 1 is fixedly connected with a first connecting frame 2 through welding; the bottom of the second sliding rail 17 is in sliding connection with the top of the second connecting frame 3; the bottom of the third slide rail 18 is in sliding connection with the top of the third connecting frame 4; the bottom of the first sliding rail 16 is in sliding connection with the top of the fourth connecting frame 5; a first telescopic rod 20 is fixedly connected between the third connecting frame 4 and the fourth connecting frame 5; a first electric cylinder 6 is fixedly arranged at the bottom of the pushing mechanism connecting plate 1, and one end of the first electric cylinder 6 is fixedly connected with the outer side of a first telescopic rod 20; a second telescopic rod 21 is fixedly connected between the second connecting frame 3 and the third connecting frame 4; a second electric cylinder 7 is fixedly arranged at the bottom of the pushing mechanism connecting plate 1, and one end of the second electric cylinder 7 is fixedly connected with the outer side of a second telescopic rod 21; the bottom of the first connecting frame 2 is fixedly connected with a first outer pressing plate 8 and a second outer pressing plate 10; the tops of the first outer pressing plate 8, the second outer pressing plate 10, the third outer pressing plate 12 and the fourth outer pressing plate 14 are all provided with a rectangular groove with the width equal to that of the positioning sleeve 22, and one side of the rectangular groove is open, so that the positioning sleeve 22 at the top of the inner pressing plate can slide freely when the inner pressing plate corresponding to the inner side of the rectangular groove stretches, and no obstruction is generated; the bottoms of the openings of the first outer pressing plate 8, the second outer pressing plate 10, the third outer pressing plate 12 and the fourth outer pressing plate 14 are respectively and fixedly provided with a square open slot, the width of each slot is three fourths of the width of the pressing block 23, the open slot at the bottom of one side of the outer pressing plate can be embedded into the pressing block 23, and the edge position of the pressing block 23 can also play a pressing and holding role even if the open slot is not embedded; one side of the first outer pressing plate 8 is provided with a first inner pressing plate 9 in a sliding embedded mode; the top of one end of the first inner pressing plate 9 is fixedly connected with the bottom of the fourth connecting frame 5; one side of the second outer pressing plate 10 is provided with a second inner pressing plate 11 in a sliding embedded mode; the top of one end of the second inner pressing plate 11 is fixedly connected with the bottom of the second connecting frame 3; one end of the second inner pressing plate 11 is also fixedly connected with a third outer pressing plate 12; one side of the third outer pressing plate 12 is provided with a third inner pressing plate 13 in a sliding embedded mode; one end of the third inner pressing plate 13 is fixedly connected with the bottom of the third connecting frame 4; one end of the first inner pressing plate 9 is also fixedly connected with one end of the fourth outer pressing plate 14; the other side of the fourth outer pressing plate 14 is provided with a fourth inner pressing plate 15 in a sliding embedded mode; one end of the fourth inner pressing plate 15 is also fixedly connected with the bottom of the third connecting frame 4; the top parts of the first inner pressing plate 9, the second inner pressing plate 11, the third inner pressing plate 13 and the fourth inner pressing plate 15 are all fixedly provided with a plurality of positioning sleeves 22 at equal intervals; the top of the locating sleeve 22 is fixedly provided with a group of rectangular holes, the size of each rectangular hole is equal to the size of the longitudinal section of the locating baffle 25, one side of the locating sleeve 22 is also fixedly provided with an inserting slot into which the locating baffle 25 can be inserted, when the guide post 24 slides downwards to the flat plate at the top of the guide post 24 to be contacted with the top of the locating sleeve 22, the locating baffle 25 can be just inserted into the rectangular hole at the top of the locating sleeve 22, the bottom surface of the pressing block 23 and the bottom surface of the outer pressing plate are positioned on the same plane, after the width of the device is adjusted, the guide post 24 at the top of the outwards extending part of the four inner pressing plates is pressed downwards, the bottom of the guide post corresponding to the bottom surface of the pressing block 23 moves downwards and is positioned on the same plane with the bottom surface of the outer pressing plate, then the locating baffle 25 is inserted into the rectangular hole at the top of the locating sleeve 22, so that the pressing block 23 can be fixed and can not move upwards, thereby forming a flat surface at the bottom of the rectangular structure formed by the pressing plates of the device; a guide post 24 is embedded and installed on the inner side of the positioning sleeve 22 in a sliding manner; the bottoms of the guide posts 24 are fixedly connected with a pressing block 23; the top of the positioning sleeve 22 is also embedded with a positioning baffle 25.

Further, No. two interior clamp plates 11 can be in No. two outer clamp plate 10 inboard horizontal slip, No. four interior clamp plates 15 can be in No. four outer clamp plate 14 inboard horizontal slip, and it can promote No. two telescopic links 21 to remove to stretch out and draw back through controlling No. two electronic jars 7 during the use to drive No. three outer clamp plates 12 and No. three interior clamp plates 13 and remove and make its and No. one outer clamp plate 8 and the interval change of interior clamp plate 9, thereby the whole length of this device clamp plate of adjustment.

Further, interior clamp plate 9 can slide around 8 inboards of outer clamp plate one number, and No. three interior clamp plate 13 can slide around 12 inboards of outer clamp plate three numbers, and control an electronic jar 6 is flexible can promote the back-and-forth movement of telescopic link 20 during the use to drive No. four outer clamp plate 14 and No. four interior clamp plate 15 back-and-forth movement and make its and No. two outer clamp plate 10 and No. two interior clamp plate 11's interval change, thereby adjust the whole width of this device clamp plate.

Further, No. two link 3, No. three link 4, No. four link 5 and No. three slide rail 18's top is T font structure, slide rail 16, No. two slide rail 17, corresponding T shape guide slot has still all been seted up to No. three slide rail 18 and No. four slide rail 19 bottoms, No. four link 5 and No. three link 4 can slide around the drive of No. one slide rail 16 and No. three slide rail 18 bottom through electronic jar 6, No. two link 3 and No. three slide rail 18 can drive the horizontal slip through electronic jar 7 No. two in No. two slide rail 17 and No. four slide rail 19 bottoms, thereby be convenient for drive the clamp plate of bottom and adjust.

Further, the equal fixedly connected with in top of guide post 24 is dull and stereotyped, and dull and stereotyped bottom is all fixed and is provided with two springs, the spring can promote guide post 24 upwards to slide, thereby drive briquetting 23 and the interior clamp plate bottom contact that corresponds of guide post 24 bottom, and briquetting 23 and interior clamp plate contact back its whole thickness equals with the height of the inboard rectangular channel of outer clamp plate, after this device adjustment width, with the guide post 24 of the outside extension portion top of four-piece inner clamp plate downwards pressed, at this moment, the bottom surface that its bottom corresponds briquetting 23 can the downstream be in the coplanar with outer clamp plate bottom surface, then will fix a position the separation blade 25 and insert the rectangular hole at position sleeve 22 top, can make its own rebound with briquetting 23 rigidity like this, thereby constitute a planomum with the bottom of the rectangular structure that the clamp plate of this device is constituteed.

The working principle is as follows: when the device is used for pressing and holding the packing box, the pushing mechanism connecting plate 1 of the device is firstly connected with the pushing mechanism, when in use, the whole length and width of the bottom pressing plate of the device are firstly adjusted according to the length and width of the packing box to be pressed and held, when in adjustment, the positioning blocking piece 25 is firstly completely drawn out from the top of the positioning sleeve 22, then the first electric cylinder 6 is controlled to stretch to push the first telescopic rod 20 to move back and forth, so that the fourth outer pressing plate 14 and the fourth inner pressing plate 15 are driven to move back and forth, the distance between the second electric cylinder 7 and the second outer pressing plate 10 and the second inner pressing plate 11 is changed, the whole width of the pressing plate of the device is adjusted, similarly, the second electric cylinder 7 is controlled to stretch to push the second telescopic rod 21 to move left and right, so that the third outer pressing plate 12 and the third inner pressing plate 13 are driven to move left and right, the distance between the first outer pressing plate 8 and the first inner pressing plate 9 is changed, and the whole length of the pressing plate of the device is adjusted, the packing boxes with different sizes are conveniently pressed and held, the adjustment is more convenient and flexible, after the width of the device is adjusted, the guide posts 24 at the tops of the outwards extending parts of the four inner pressing plates are pressed downwards, at the moment, the bottom surfaces of the four inner pressing plates, corresponding to the pressing blocks 23, can move downwards and are positioned on the same plane with the bottom surface of the outer pressing plate, and then the positioning blocking pieces 25 are inserted into the rectangular holes at the top of the positioning sleeve 22, so that the pressing blocks 23 can be fixed in position and cannot move upwards, the bottom of the rectangular structure formed by the pressing plates of the device forms a flat surface, the open slot at the bottom of one side of the outer pressing plate can be embedded into the pressing blocks 23, the edge positions of the pressing blocks 23 can be pressed and held, the packing boxes can be firmly pressed and pressed while the telescopic adjustment can be realized, and the flatness of the pressing positions can completely meet the processing requirements, the use is more stable and reliable.

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 being indicated by the appended claims rather than by the foregoing description, and all changes which 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.

Claims

1. The utility model provides a mechanism is held to pressure of packing carton pressfitting forming machine which characterized in that: comprises a pushing mechanism connecting plate (1); the bottom of the pushing mechanism connecting plate (1) is fixedly connected with a first sliding rail (16), a second sliding rail (17) and a fourth sliding rail (19) through welding; the bottom of the fourth sliding rail (19) is also provided with a third sliding rail (18) in a sliding embedded mode; the bottom of the pushing mechanism connecting plate (1) is fixedly connected with a first connecting frame (2) through welding; the bottom of the second sliding rail (17) is in sliding connection with the top of the second connecting frame (3); the bottom of the third sliding rail (18) is in sliding connection with the top of the third connecting frame (4); the bottom of the first sliding rail (16) is in sliding connection with the top of the fourth connecting frame (5); a first telescopic rod (20) is fixedly connected between the third connecting frame (4) and the fourth connecting frame (5); a first electric cylinder (6) is fixedly installed at the bottom of the pushing mechanism connecting plate (1), and one end of the first electric cylinder (6) is fixedly connected with the outer side of the first telescopic rod (20); a second telescopic rod (21) is fixedly connected between the second connecting frame (3) and the third connecting frame (4); a second electric cylinder (7) is fixedly mounted at the bottom of the pushing mechanism connecting plate (1), and one end of the second electric cylinder (7) is fixedly connected with the outer side of a second telescopic rod (21); the bottom of the first connecting frame (2) is fixedly connected with a first outer pressing plate (8) and a second outer pressing plate (10); one side of the first outer pressing plate (8) is provided with a first inner pressing plate (9) in a sliding embedded mode; the top of one end of the first inner pressing plate (9) is fixedly connected with the bottom of the fourth connecting frame (5); one side of the second outer pressing plate (10) is provided with a second inner pressing plate (11) in a sliding embedded mode; the top of one end of the second inner pressing plate (11) is fixedly connected with the bottom of the second connecting frame (3); one end of the second inner pressure plate (11) is also fixedly connected with a third outer pressure plate (12); one side of the third outer pressing plate (12) is provided with a third inner pressing plate (13) in a sliding embedded mode; one end of the third inner pressing plate (13) is fixedly connected with the bottom of the third connecting frame (4); one end of the first inner pressure plate (9) is also fixedly connected with one end of the fourth outer pressure plate (14); the other side of the fourth outer pressing plate (14) is provided with a fourth inner pressing plate (15) in a sliding embedded mode; one end of the fourth inner pressure plate (15) is also fixedly connected with the bottom of the third connecting frame (4); the top parts of the first inner pressing plate (9), the second inner pressing plate (11), the third inner pressing plate (13) and the fourth inner pressing plate (15) are all fixedly provided with a plurality of positioning sleeves (22) at equal intervals; a guide post (24) is embedded into the inner side of each positioning sleeve (22) in a sliding manner; the bottoms of the guide columns (24) are fixedly connected with a pressing block (23); and the top of the positioning sleeve (22) is also embedded with a positioning baffle (25).

2. The pressing and holding mechanism of the packaging box pressing and setting machine as claimed in claim 1, wherein: the second inner pressing plate (11) can slide left and right on the inner side of the second outer pressing plate (10), and the fourth inner pressing plate (15) can slide left and right on the inner side of the fourth outer pressing plate (14).

3. The pressing mechanism of the packaging box pressing and setting machine according to claim 1, characterized in that: the first inner pressing plate (9) can slide back and forth on the inner side of the first outer pressing plate (8), and the third inner pressing plate (13) can slide back and forth on the inner side of the third outer pressing plate (12).

4. The pressing and holding mechanism of the packaging box pressing and setting machine as claimed in claim 1, wherein: the top of the first outer pressing plate (8), the second outer pressing plate (10), the third outer pressing plate (12) and the fourth outer pressing plate (14) is provided with a rectangular groove with the width equal to that of the positioning sleeve (22), and one side of the rectangular groove is open.

5. The pressing and holding mechanism of the packaging box pressing and setting machine as claimed in claim 1, wherein: the top of No. two link (3), No. three link (4), No. four link (5) and No. three slide rail (18) is T font structure, slide rail (16), No. two slide rail (17), corresponding T shape guide slot has still all been seted up to No. three slide rail (18) and No. four slide rail (19) bottoms, No. four link (5) and No. three link (4) can slide around slide through electronic jar (6) drive in slide rail (16) and No. three slide rail (18) bottom, No. two link (3) and No. three slide rail (18) can drive the horizontal slip through electronic jar (7) No. two in slide rail (17) and No. four slide rail (19) bottoms.

6. The pressing and holding mechanism of the packaging box pressing and setting machine as claimed in claim 1, wherein: the equal fixedly connected with in top of guide post (24) is dull and stereotyped, and dull and stereotyped bottom is all fixed and be provided with two springs, and the spring can promote guide post (24) upwards slide to drive briquetting (23) of guide post (24) bottom and the interior clamp plate bottom contact that corresponds, and briquetting (23) and interior clamp plate contact back its whole thickness and the height of the inboard rectangular channel of external pressure board equal.

7. The pressing and holding mechanism of the packaging box pressing and setting machine as claimed in claim 1, wherein: the top of position sleeve (22) is all fixed and is provided with a set of rectangular hole, and the rectangular hole size equals with positioning stop piece (25) longitudinal section size, position sleeve (22) one side still all is fixed to be provided with one and can be with positioning stop piece (25) male slot, when guide post (24) downwardly sliding to the dull and stereotyped and position sleeve (22) top contact at guide post (24) top, positioning stop piece (25) can insert the rectangular hole at position sleeve (22) top just, and the bottom face of briquetting (23) this moment can be located the coplanar with the bottom face of outer clamp plate.

8. The pressing and holding mechanism of the packaging box pressing and setting machine as claimed in claim 1, wherein: the bottom of one side of the opening of the first outer pressing plate (8), the bottom of the second outer pressing plate (10), the bottom of the third outer pressing plate (12) and the bottom of one side of the opening of the fourth outer pressing plate (14) are all fixedly provided with square open grooves, and the widths of the grooves are three fourths of the width of the pressing block (23).