CN113682515A

CN113682515A - Baling equipment is used in production of plastic packaging box

Info

Publication number: CN113682515A
Application number: CN202111230921.3A
Authority: CN
Inventors: 刘倻
Original assignee: Pizhou Huihou New Material Co ltd
Current assignee: Pizhou Huihou New Material Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2021-11-23

Abstract

The invention discloses packaging equipment for producing plastic packaging boxes, which comprises a workbench structure, wherein a supporting device is arranged at the lower end of the workbench structure, a rotation adjusting device is rotatably arranged in the workbench structure, the rotation adjusting device comprises a rotary base block, two adjusting screw rods, two limiting baffles and a rotating handle, the two adjusting screw rods are symmetrically arranged at the left end and the right end of the rotary base block, and the two limiting baffles are symmetrically arranged on the outer wall of the rotary base block. The packing equipment for producing the plastic packing box, provided by the invention, belongs to the field of packing equipment, and can correct and limit the plastic packing box to be packed by arranging the auxiliary device, so that the plastic packing box to be packed placed on a packing machine can be more easily and regularly placed, the plastic packing box to be packed placed on the packing machine is not easy to incline, and a strapping tape and the plastic packing box are not easy to loosen.

Description

Baling equipment is used in production of plastic packaging box

Technical Field

The invention relates to the field of packaging equipment, in particular to packaging equipment for producing plastic packaging boxes.

Background

The packaging machine is also called a strapping machine, a tape-punching machine or a strapping machine, and is used for strapping products or packages by using a strapping tape, then tightening and combining two ends in a hot melting and bonding mode through a heating ironing head. The packer has the functions of reinforcing and packing articles, preventing the articles from scattering due to loose binding in the process of carrying and storing, and ensuring the neat and beautiful binding. The packer is mainly composed of a belt feeding device, a belt withdrawing device, a joint connection cutting device, a transmission system, a track frame and a control device. The packer is divided into: a waste paper baler, a metal baler, a straw baler, a cotton baler, a plastic baler and the like; according to the performance: automatic baling presses, semi-automatic baling presses, manual baling presses, full-automatic baling presses, etc.; the mechanism is divided into: unmanned baling press, full-automatic horizontal baling press, full-automatic wear sword formula baling press, full-automatic pressurization formula baling press, portable baling press etc.. According to the use classification can be divided into a manual packer: manual operation is required to complete the whole process, and normally: electric hot melting and iron buckle clamping; semi-automatic baling press: after the packing belt is manually inserted, the machine can automatically complete the packing processes of belt gathering, bonding, cutting and belt discharging. The efficiency is relatively low as each product needs to be manually operated; full-automatic baling press: manual tape insertion is not needed, the triggering modes are a point-operated mode, a manual mode, a continuous beating mode, a ball switch and a foot switch, and the packaging can be automatically completed only by pressing the switch, so that the packaging is convenient and quick; full-automatic unmanned baling press: the whole process of gathering, bonding, cutting and discharging the belt can be automatically finished only by setting without manually inserting the belt.

Present baling press is used in plastic packaging box production, at the in-process that uses, because it does not have supplementary orthotic devices to make place the plastic packaging box that treats the packing on the baling press and be difficult to regular putting, and then make and place the plastic packaging box that treats the packing on the baling press crooked easily, finally lead to the strapping can't tie up the plastic packaging box fast, make strapping and plastic packaging box loose easily.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a packaging device for producing plastic packaging boxes, which can correct and limit the plastic packaging boxes to be packaged by arranging an auxiliary device, so that the plastic packaging boxes to be packaged which are placed on a packaging machine can be more easily and regularly placed, the plastic packaging boxes to be packaged which are placed on the packaging machine are not easy to skew, finally, the plastic packaging boxes can be firmly bound by a binding belt, the binding belt and the plastic packaging boxes are not easy to loosen, the auxiliary device can be adjusted left and right by arranging a movable mounting block and mounting the auxiliary device on the movable mounting block, the auxiliary device can be adapted to the plastic packaging boxes with different types and sizes, the auxiliary device can be mutually matched by arranging a fixing device and a limiting spring, and the quick fixing and quick disassembly of the auxiliary device can be facilitated, by arranging the rotation adjusting device, when the rotation adjusting device is pushed to rotate, the movable mounting block mounted on the rotation adjusting device can be driven to move leftwards or rightwards.

2. Technical scheme

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a baling equipment is used in production of plastic packaging box, includes the workstation structure, the lower extreme of workstation structure is provided with strutting arrangement, the inside of workstation structure is rotated and is installed and rotate adjusting device, it contains rotatory base block, accommodate the lead screw, limit baffle and rotates the handle to rotate adjusting device, accommodate the lead screw has two and symmetry to set up both ends about rotatory base block, limit baffle has two and the symmetry sets up on the outer wall of rotatory base block, it has four and the symmetry sets up on the outer wall of rotatory base block to rotate the handle, it is located between two limit baffle to rotate the handle, two all rotate on the accommodate the lead screw and install a removal installation piece, two all be provided with a connecting block on the outer wall of removal installation piece, two all the symmetry installs two fixing device on a connecting block, fixing device contains square base block, Square fixture block, No. two connecting blocks and anticreep spring baffle, square fixture block sets up the inner at square base block, No. two connecting blocks set up the rear end at square base block, anticreep spring baffle sets up the rear end at No. two connecting blocks, two equal symmetric installation has two spacing springs in a connecting block, the upper end symmetry of workstation structure is provided with two auxiliary device, auxiliary device contains auxiliary baffle, linking arm and installation splint, the linking arm sets up the front end at auxiliary baffle, the installation splint set up the rear end at the linking arm.

Further, a plurality of cylinder structure is installed to the symmetry in the workstation structure, there is frame construction upper end of workstation structure through screw fixed mounting, spacing swivelling chute has been seted up to the front end of workstation structure, two removal anticreep grooves have been seted up to the symmetry on the inner wall of spacing swivelling chute left and right sides, two spacing draw-in grooves have been seted up to the inner wall of workstation structure symmetry on being located the inner wall of two removal anticreep grooves, two No. two intercommunication spouts have been seted up to the front end of workstation structure and being located the symmetry on the inner wall of spacing swivelling chute, No. two intercommunication spouts run through the front end of workstation structure and removal anticreep groove.

Furthermore, the supporting device is fixedly installed at the lower end of the workbench structure through bolts, a packing belt reel is rotatably installed at one end of the supporting device, and an equipment box body is installed on the supporting device.

Furthermore, the rotating base block on the rotating adjusting device is rotatably installed in the two movable anti-falling grooves, the adjusting screw rod is rotatably installed in the movable anti-falling grooves and the limiting clamping grooves, the limiting baffle plates are located in the limiting rotating grooves, and the rotating base block, the adjusting screw rod, the limiting baffle plates and the rotating handle are of an integrally formed structure. By arranging the rotation adjusting device, when the rotation adjusting device is pushed to rotate, the movable mounting block mounted on the rotation adjusting device can be driven to move leftwards or rightwards.

Further, two remove the installation piece and be located two removal anticreep inslots that the symmetry was seted up in the workstation structure respectively, two remove and all seted up an installation screw on the installation piece, the installation screw will remove the installation piece and run through both ends about, two remove the installation piece and all rotate respectively through the installation screw of seting up on it and install on two accommodate the lead screw, two a connecting block all passes through screw difference fixed mounting on the outer wall of two removal installation pieces, two the equal symmetry in inside of a connecting block has seted up two spring and has accomodate the groove, two the equal symmetry in front end of a connecting block has seted up two intercommunication spouts, a intercommunication spout runs through the front end and the spring of a connecting block, two a connecting block slidable mounting is in two intercommunication spouts respectively. Through setting up the removal installation piece and installing auxiliary device on removing the installation piece, can make auxiliary device control the regulation, and then make the plastic packaging box that auxiliary device can the different models of adaptation size.

Furthermore, four square base blocks on the fixing device are respectively located at the front ends of two first connecting blocks, two connecting blocks are slidably mounted in a first communicating chute, an anti-falling spring baffle is slidably mounted in a spring accommodating groove, and two adjacent square clamping blocks on the fixing device are in a mutual contact state. Through setting up fixing device, remove fixing device and move, auxiliary device's quick fixed and quick dismantlement can be convenient for.

Furthermore, four limiting springs are respectively arranged in four spring accommodating grooves formed in two first connecting blocks, and the four limiting springs are respectively positioned on the outer sides of the four anti-falling spring baffles. Through spacing spring, can be convenient for promote fixing device and reset.

Further, two last two auxiliary baffle of auxiliary device all are located the upper end of workstation structure, two arc recesses have been seted up to auxiliary baffle's lower extreme symmetry, the linking arm passes through screw fixed mounting at auxiliary baffle's front end, installation splint pass through the rear end of welded mode fixed mounting at the linking arm, square groove has been seted up on the installation splint, square groove runs through the left and right sides both ends of installation splint, the square groove that the installation splint seted up through it installs on two square fixture blocks that meet the department. Through setting up auxiliary device, can treat the plastic packaging box of packing and correct spacingly to make place the plastic packaging box of treating the packing on the baling press and neatly put more easily, and then make and place the plastic packaging box of treating the packing on the baling press and be difficult to crooked, finally make the strapping can tie up the plastic packaging box firmly, make strapping and plastic packaging box be difficult to loosely.

3. Advantageous effects

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

(1) the auxiliary device is arranged, so that the plastic packaging box to be packaged can be corrected and limited, the plastic packaging box to be packaged placed on the packaging machine can be placed more easily and regularly, the plastic packaging box to be packaged placed on the packaging machine is not prone to being inclined, and finally the plastic packaging box can be tightly bound by the binding belt, so that the binding belt and the plastic packaging box are not prone to loosening;

(2) by arranging the movable mounting block and mounting the auxiliary device on the movable mounting block, the auxiliary device can be adjusted left and right, and further can be adapted to plastic packaging boxes of different types and sizes;

(3) the fixing device and the limiting spring are matched with each other, so that the auxiliary device can be conveniently and quickly fixed and detached;

(4) by arranging the rotation adjusting device, when the rotation adjusting device is pushed to rotate, the movable mounting block mounted on the rotation adjusting device can be driven to move leftwards or rightwards.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the invention at A of FIG. 1;

FIG. 3 is a schematic view of the structure of the table structure and the support device of the present invention;

FIG. 4 is a schematic structural diagram of an auxiliary device according to the present invention;

FIG. 5 is a schematic structural diagram of the position relationship of the rotation adjusting device, the movable mounting block, the fixing device and the auxiliary device of the present invention;

FIG. 6 is an enlarged view of the present invention at B of FIG. 5;

FIG. 7 is a schematic cross-sectional structural view of the movable mounting block of the present invention;

fig. 8 is a schematic structural view of the position relationship between the fixing device and the limiting spring according to the present invention.

In the figure: 1. a table structure; 2. a support device; 3. a rotation adjustment device; 4. moving the mounting block; 5. a fixing device; 6. a limiting spring; 7. an auxiliary device; 8. a drum structure; 9. a frame structure; 10. a limiting rotation groove; 11. moving the anti-drop groove; 12. a limiting clamping groove; 13. an equipment box body; 14. a baling reel; 15. rotating the base block; 16. adjusting the screw rod; 17. a limit baffle; 18. rotating the handle; 19. mounting a screw hole; 20. a first connecting block; 21. a spring receiving groove; 22. the first connecting chute; 23. a square base block; 24. a square fixture block; 25. a second connecting block; 26. an anti-drop spring baffle; 27. an auxiliary baffle; 28. an arc-shaped groove; 29. a connecting arm; 30. installing a clamping plate; 31. a square clamping groove; 32. and the second connecting chute.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1:

as shown in fig. 1, 2 and 3, a packing device for plastic packing box production comprises a workbench structure 1, wherein a plurality of roller structures 8 are symmetrically installed in the workbench structure 1, a frame structure 9 is fixedly installed at the upper end of the workbench structure 1 through screws, a limiting rotary groove 10 is installed at the front end of the workbench structure 1, two movable anti-falling grooves 11 are symmetrically installed on the inner walls of the left side and the right side of the limiting rotary groove 10, two limiting clamping grooves 12 are symmetrically installed on the inner walls of the two movable anti-falling grooves 11 on the inner wall of the workbench structure 1, two second communicating sliding grooves 32 are symmetrically installed at the front end of the workbench structure 1 and on the inner wall of the limiting rotary groove 10, the second communicating sliding grooves 32 penetrate the front end of the workbench structure 1 and the movable anti-falling grooves 11, a supporting device 2 is arranged at the lower end of the workbench structure 1, the supporting device 2 is fixedly installed at the lower end of the workbench structure 1 through bolts, one end of strutting arrangement 2 is rotated and is installed a packing tep reel 14, install equipment box 13 on strutting arrangement 2, when using, can place the upper end of workstation structure 1 with the plastic packaging box of treating the packing, then pack its propelling movement to frame construction 9's below can, the plastic packaging box that the packing finishes takes off from workstation structure 1 upper end again can, the in-process that removes at workstation structure 1 upper end when plastic packaging box, plastic packaging box can produce the friction with cylinder structure 8, thereby make cylinder structure 8 produce and rotate, and then make the removal of plastic packaging box in workstation structure 1 upper end more light.

Example 2:

as shown in fig. 1, 5 and 6, a rotation adjusting device 3 is rotatably installed inside a workbench structure 1, the rotation adjusting device 3 comprises a rotary base block 15, an adjusting screw rod 16, two limit baffles 17 and a rotation handle 18, the adjusting screw rod 16 is provided with two ends symmetrically arranged at the left and right ends of the rotary base block 15, the two limit baffles 17 are symmetrically arranged on the outer wall of the rotary base block 15, the four rotation handles 18 are symmetrically arranged on the outer wall of the rotary base block 15, the rotation handle 18 is positioned between the two limit baffles 17, the rotary base block 15 on the rotation adjusting device 3 is rotatably installed in the two movable anti-falling grooves 11, the adjusting screw rod 16 is rotatably installed in the movable anti-falling grooves 11 and the limit clamping grooves 12, the two limit baffles 17 are positioned in the limit rotary groove 10, the rotary base block 15, the adjusting screw rod 16, the limit baffles 17 and the rotation handle 18 are of an integrally formed structure, the rotation adjusting device 3 can rotate, and when the position of the auxiliary device 7 needs to be adjusted, the rotation adjusting device 3 can be rotated.

Example 3:

as shown in fig. 1, 2, 5 and 7, two movable installation blocks 4 are rotatably installed on two adjusting screw rods 16, a first connection block 20 is arranged on the outer wall of each movable installation block 4, the two movable installation blocks 4 are respectively located in two movable anti-falling grooves 11 symmetrically formed in a workbench structure 1, a mounting screw hole 19 is formed in each movable installation block 4, the left end and the right end of each movable installation block 4 are penetrated through the mounting screw hole 19, the two movable installation blocks 4 are respectively rotatably installed on the two adjusting screw rods 16 through the mounting screw holes 19 formed in the two movable installation blocks 4, the two first connection blocks 20 are respectively fixedly installed on the outer wall of each movable installation block 4 through screws, two spring accommodating grooves 21 are symmetrically formed in the inner parts of the two first connection blocks 20, two first communicating sliding grooves 22 are symmetrically formed at the front ends of the two first connection blocks 20, a intercommunication spout 22 runs through the front end and the spring storage groove 21 of a connecting block 20, two connecting blocks 20 are respectively slidable mounting in two No. two intercommunication spouts 32, remove the installation screw 19 of seting up on the installation piece 4 and rotate the accommodate the lead screw 16 cooperation on the adjusting device 3, along with rotating the rotation of adjusting device 3, two remove installation pieces 4 and can remove on accommodate the lead screw 16 to make two remove installation pieces 4 be close to each other or keep away from each other.

Example 4:

as shown in fig. 1, 2, 5 and 8, two fixing devices 5 are symmetrically installed on two first connecting blocks 20, each fixing device 5 comprises a square base block 23, a square fixture block 24, a second connecting block 25 and an anti-falling spring baffle 26, the square fixture block 24 is arranged at the inner end of the square base block 23, the second connecting block 25 is arranged at the rear end of the square base block 23, the anti-falling spring baffle 26 is arranged at the rear end of the second connecting block 25, the four square base blocks 23 on the four fixing devices 5 are respectively arranged at the front ends of the two first connecting blocks 20, the second connecting block 25 is slidably installed in a first communicating chute 22, the anti-falling spring baffle 26 is slidably installed in a spring accommodating groove 21, the two square fixture blocks 24 on the two adjacent fixing devices 5 are in a mutual contact state, two limiting springs 6 are symmetrically installed in the two first connecting blocks 20, the four limiting springs 6 are respectively installed in the four spring accommodating grooves 21 formed in the two first connecting blocks 20, four spacing springs 6 are located four anticreep spring baffle 26's the outside respectively, fixing device 5 can remove about moving, when auxiliary device 7 is dismantled to needs, need remove two adjacent fixing device 5 to the outside, make two adjacent fixing device 5 break away from the contact, break away from the back in square draw-in groove 31 as square fixture block 24, can dismantle auxiliary device 7, and when loosening fixing device 5, spacing springs 6 can reset fixing device 5, thereby make two adjacent fixing device 5 contact each other again.

Example 5:

as shown in fig. 1, 2 and 4, two auxiliary devices 7 are symmetrically arranged at the upper end of the workbench structure 1, each auxiliary device 7 comprises an auxiliary baffle 27, a connecting arm 29 and a mounting clamp plate 30, the connecting arm 29 is arranged at the front end of the auxiliary baffle 27, the mounting clamp plate 30 is arranged at the rear end of the connecting arm 29, the two auxiliary baffle plates 27 on the two auxiliary devices 7 are both located at the upper end of the workbench structure 1, the lower end of the auxiliary baffle plate 27 is symmetrically provided with two arc-shaped grooves 28, the connecting arm 29 is fixedly mounted at the front end of the auxiliary baffle plate 27 through a screw, the mounting clamp plate 30 is fixedly mounted at the rear end of the connecting arm 29 through a welding manner, the mounting clamp plate 30 is provided with a square clamping groove 31, the square clamping groove 31 penetrates through the left end and the right end of the mounting clamp plate 30, the mounting clamp plate 30 is mounted on the square clamping blocks 24 at two junctions through the square clamping grooves 31 formed thereon, due to the existence of the auxiliary devices 7, it can be treated the plastic packaging box of packing and correct spacingly to make place treat the plastic packaging box of packing on the baling press regular putting more easily, and then make place treat the plastic packaging box of packing on the baling press and be difficult to crooked, finally make the strapping can tie up the plastic packaging box fast, make strapping and plastic packaging box be difficult to loosely.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a baling equipment is used in production of plastic packaging box, includes workstation structure (1), the lower extreme of workstation structure (1) is provided with strutting arrangement (2), its characterized in that: the rotary adjusting device (3) is installed in the workbench structure (1) in a rotating mode, the rotary adjusting device (3) comprises a rotary base block (15), an adjusting screw rod (16), limiting baffles (17) and a rotary handle (18), the adjusting screw rod (16) is provided with two ends which are symmetrically arranged at the left end and the right end of the rotary base block (15), the limiting baffles (17) are provided with two ends which are symmetrically arranged on the outer wall of the rotary base block (15), the rotary handle (18) is provided with four ends which are symmetrically arranged on the outer wall of the rotary base block (15), the rotary handle (18) is positioned between the two limiting baffles (17), the two adjusting screw rods (16) are both rotatably provided with a movable installation block (4), the outer walls of the movable installation blocks (4) are both provided with a first connecting block (20), and the two first connecting blocks (20) are both symmetrically provided with two fixing devices (5), the fixing device (5) comprises a square base block (23), a square clamping block (24), a second connecting block (25) and an anti-falling spring baffle plate (26), the square fixture block (24) is arranged at the inner end of the square base block (23), the second connecting block (25) is arranged at the rear end of the square base block (23), the anti-drop spring baffle (26) is arranged at the rear end of the second connecting block (25), two limiting springs (6) are symmetrically arranged in the first connecting blocks (20), two auxiliary devices (7) are symmetrically arranged at the upper end of the workbench structure (1), the auxiliary device (7) comprises an auxiliary baffle plate (27), a connecting arm (29) and a mounting splint (30), the connecting arm (29) is arranged at the front end of the auxiliary baffle (27), and the mounting clamping plate (30) is arranged at the rear end of the connecting arm (29).

2. The packaging apparatus for producing plastic packaging boxes according to claim 1, wherein: a plurality of cylinder structure (8) are installed to the symmetry in workstation structure (1), there is frame construction (9) upper end of workstation structure (1) through screw fixed mounting, spacing thread groove (10) have been seted up to the front end of workstation structure (1), two removal anticreep grooves (11) have been seted up to the symmetry on the inner wall of spacing thread groove (10) left and right sides, two spacing draw-in grooves (12) have been seted up to the inner wall of workstation structure (1) symmetry on being located the inner wall of two removal anticreep grooves (11), two No. two intercommunication spouts (32) have been seted up to the symmetry on the front end of workstation structure (1) and the inner wall that is located spacing thread groove (10), No. two intercommunication spouts (32) run through the front end of workstation structure (1) and removal anticreep groove (11).

3. The packaging apparatus for producing plastic packaging boxes according to claim 1, wherein: the supporting device (2) is fixedly installed at the lower end of the workbench structure (1) through bolts, a packing belt reel (14) is rotatably installed at one end of the supporting device (2), and an equipment box body (13) is installed on the supporting device (2).

4. The packaging apparatus for producing plastic packaging boxes according to claim 1, wherein: rotate rotatory base block (15) on adjusting device (3) and rotate and install in two removal anticreep grooves (11), accommodate the lead screw (16) are rotated and are installed in removal anticreep groove (11) and spacing draw-in groove (12), two limit baffle (17) all are located spacing rotating groove (10), rotatory base block (15), accommodate the lead screw (16), limit baffle (17) and rotation handle (18) are the integrated into one piece structure.

5. The packaging apparatus for producing plastic packaging boxes according to claim 1, wherein: the two movable mounting blocks (4) are respectively positioned in two movable anti-drop grooves (11) symmetrically formed in the workbench structure (1), a mounting screw hole (19) is formed in each of the two movable mounting blocks (4), the left end and the right end of each movable mounting block (4) are penetrated through the mounting screw hole (19), the two movable mounting blocks (4) are respectively rotatably mounted on two adjusting screw rods (16) through the mounting screw holes (19) formed in the two movable mounting blocks, the two first connecting blocks (20) are respectively fixedly mounted on the outer walls of the two movable mounting blocks (4) through screws, two spring accommodating grooves (21) are symmetrically formed in the two first connecting blocks (20), two first communicating sliding grooves (22) are symmetrically formed in the front ends of the two first connecting blocks (20), and the front ends of the first connecting blocks (20) are penetrated through the spring accommodating grooves (21) through the first communicating sliding grooves (22), the two first connecting blocks (20) are respectively and slidably mounted in the two second communicating chutes (32).

6. The packaging apparatus for producing plastic packaging boxes according to claim 1, wherein: four square base blocks (23) on fixing device (5) are located the front end of two connecting blocks (20) respectively, No. two connecting blocks (25) slidable mounting are in intercommunication spout (22) No. one, anticreep spring baffle (26) slidable mounting is in spring storage groove (21), and two are adjacent two square fixture blocks (24) on fixing device (5) are the contact state each other.

7. The packaging apparatus for producing plastic packaging boxes according to claim 1, wherein: the four limiting springs (6) are respectively installed in four spring accommodating grooves (21) formed in the two first connecting blocks (20), and the four limiting springs (6) are respectively located on the outer sides of the four anti-falling spring baffles (26).

8. The packaging apparatus for producing plastic packaging boxes according to claim 1, wherein: two last two auxiliary baffle (27) of auxiliary device (7) all are located the upper end of workstation structure (1), two arc recess (28) have been seted up to the lower extreme symmetry of auxiliary baffle (27), connecting arm (29) are through the front end of screw fixed mounting at auxiliary baffle (27), installation splint (30) are through the rear end of welded mode fixed mounting at connecting arm (29), square clamping groove (31) have been seted up on installation splint (30), square clamping groove (31) will install the left and right sides both ends of splint (30) and run through, square clamping groove (31) that installation splint (30) seted up through it are installed on square clamping block (24) of two junctions.