CN211108177U - Corrugated carton strapping machine - Google Patents

Abstract

The utility model relates to the technical field of carton binding accessories, in particular to a corrugated carton binding machine, the using height of the machine body of which can be conveniently adjusted according to the using needs of workers, thereby improving the adaptability and reducing the using limitation; comprises a bottom plate and a machine body; still include the regulating plate, four first screwed pipes of group and four first threaded rods of group, bottom plate top left front side, right front side, left rear side and right rear side all are provided with primary shaft bearing, and all can rotate in four primary shaft bearing of group and be fixed with first ball bearing, still including changeing the handle, the link, the rotation post, first gear and four group's second gears, the bottom plate vertically is provided with first logical groove, and it is rotatable to be fixed with first ball group to lead to the inslot wall at first, it is equipped with two sets of solid fixed rings to rotate the fixed cover in the post outside, two sets of solid fixed ring inboards all are provided with the roll wheelset, first gear bottom left side and right side all are provided with the gyro.

Description

Corrugated carton strapping machine

Technical Field

The utility model relates to a technical field of auxiliary device is tied up to the carton, especially relates to a corrugated box strapper.

Background

As is well known, a corrugated carton strapping machine is an auxiliary device used for strapping cartons in the use process of the corrugated cartons, so that the cartons can be better used for subsequent operations, and is widely used in the field of carton strapping; the existing corrugated carton strapping machine comprises a bottom plate and a machine body, wherein the machine body is arranged at the top end of the bottom plate; when the existing corrugated carton binding machine is used, the carton is placed at the top end of the machine body and is positioned right above the output end of the top of the machine body, the machine body is started to bind the carton, the machine body is a common electric device in the market, the machine body can be used only by being electrically connected according to a purchased use instruction when being bought back for use, and connecting wires can be reasonably wired as long as the connecting wires can work, so that the details are not repeated herein; the existing corrugated carton strapping machine is found in use, the machine body is highly fixed, and cannot be conveniently adjusted according to the use needs of workers, so that the adaptability is poor, and the use limitation is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a corrugated box strapper of limitation is used to its organism uses highly can conveniently to adjust according to staff's use needs to improve its adaptability, reduce to use.

The utility model relates to a corrugated carton binding machine, which comprises a bottom plate and a machine body; the bottom end of the four groups of first threaded pipes can be respectively and rotatably inserted into the four groups of first ball bearings, the bottom ends of the four groups of first threaded rods are respectively inserted into and screwed into the top ends of the four groups of first threaded pipes, the top ends of the four groups of first threaded rods are respectively connected with the bottom end of the adjusting plate, the bottom-mounting type adjustable screw conveyor further comprises a turning handle, a connecting frame, a turning column, a first gear and four groups of second gears, the four groups of second gears are respectively and fixedly sleeved on the outer sides of the four groups of first threaded pipes, the four groups of second gears are all meshed with the first gears, the first gears are sleeved and fixed on the outer sides above the turning column, the turning handle is rotatably fixed at the bottom end of the connecting frame, and the bottom end of the turning column is connected with the top end of the connecting frame, the bottom plate vertically is provided with first logical groove to it has first ball group to lead to the rotatable being fixed with of inside wall in first logical groove, rotates the capital end and passes first ball group and stretch out to the bottom plate top, rotates the fixed cover in the post outside and is equipped with two sets of solid fixed rings, and two sets of solid fixed ring inboards all are provided with the roll wheelset, and two sets of roll wheelsets are respectively with bottom plate top both sides paste tight contact, first gear bottom left side and right side all are provided with the gyro wheel, and the bottom of two sets of gyro wheels all contacts with the bottom.

Preferably, still include two sets of locating plates, two sets of second screwed pipes, two sets of second threaded rod and two sets of locating pieces, two sets of locating plates are installed in organism top front and back both sides respectively, two sets of locating plate inboards all are provided with the second bearing frame, and all be provided with second ball bearing in two sets of second bearing frames, the outer end of two sets of second screwed pipes is rotatable card-inserting to inside two sets of second ball bearing respectively, inside two sets of second threaded rod outer ends insert respectively and spiral shell dress to two sets of second screwed pipes inner, two sets of second threaded rod inner is connected with two sets of locating piece outsides respectively.

Preferably, still include rotor plate, pivot and two sets of pulleys, the organism is installed on the rotor plate top, and regulating plate top middle part is provided with rotates the groove, and the pivot bottom is provided with the rotor plate, and the rotor plate is located and rotates inslot portion, and the rotor plate can rotate the groove relatively and rotate, and the pivot top is connected with rotor plate bottom center, and the top of two sets of pulleys is connected with rotor plate bottom left side and right side respectively, and the bottom of two sets of pulleys all pastes tight contact with the regulating plate top.

Preferably, still include two sets of third screwed pipes and two sets of third threaded rod, the bottom of two sets of third screwed pipes is installed respectively in the regulating plate top left and right sides, inside two sets of third threaded rod bottoms inserted respectively and spiral shell dress to two sets of third screwed pipe tops, two sets of third threaded rod tops all are provided with the inserted block, rotor plate bottom left side, right side, front side and rear side all are provided with the draw-in groove, the top of two sets of inserted blocks inserts respectively inside the draw-in groove that is located the left and right sides or the draw-in groove that is located both sides around.

Preferably, still include two sets of limit poles, two sets of limit pole inner is installed respectively in two sets of locating pieces outsides, and two sets of locating plates are all provided with the second and are led to the groove to all be fixed with second ball group in two sets of second through-groove inside wall department can rotate, and two sets of limit pole outer ends pass two sets of second ball groups respectively and stretch out respectively to two sets of locating plates outsides.

Preferably, still include supporting shoe, locating lever, limiting plate and spacer, the supporting shoe is installed respectively at bottom plate and regulating plate rear side with the spacer, and the locating lever bottom is connected with the supporting shoe top, and the spacer vertically is provided with the third and leads to the groove to at the rotatable third ball group that is fixed with of third through groove inside wall, the locating lever top is passed the third ball group and is stretched out to the locating plate top and be connected with the limiting plate.

Preferably, the adjustable plate further comprises four groups of connecting springs, the top ends of the four groups of connecting springs are respectively arranged on the left front side, the right front side, the left rear side and the right rear side of the bottom end of the adjusting plate, and the bottom ends of the four groups of connecting springs are arranged on the top end of the bottom plate.

Preferably, still include two sets of locking plates and two sets of locking spring group, two sets of locking spring group one end respectively with two sets of locating piece inboard connections, two sets of locking spring group other ends are connected with two sets of locking plates respectively.

Preferably, the anti-skid device further comprises four groups of fourth threaded rods and four groups of fourth threaded pipes, the top ends of the four groups of fourth threaded rods are respectively installed on the left front side, the right front side, the left rear side and the right rear side of the bottom end of the bottom plate, the bottom ends of the four groups of fourth threaded rods are respectively screwed into the top ends of the four groups of fourth threaded pipes, weighting blocks are connected to the bottom ends of the four groups of fourth threaded pipes, and anti-skid pads are connected to the bottom ends of the four groups of weighting blocks.

Compared with the prior art, the beneficial effects of the utility model are that: can rotate the four groups of first threaded pipes synchronously to drive the four groups of first threaded rods to move longitudinally, so that the use height of the machine body can be conveniently adjusted according to the use requirements of workers, thereby improving the adaptability and reducing the use limitation, the design that the four groups of second gears are all meshed with the first gear enables the four groups of second gears to be driven to rotate only by rotating the first gear, thereby conveniently drive first screwed pipe and rotate, change the handle through manual rotation and drive the first gear on the rotation post and rotate, it is more convenient to adjust the use, but it makes it rotate more laborsaving to change the design of rotation, the supplementary rotation post of first ball group rotates more reliably, two sets of gyro wheels are conveniently rotated and are improved the supporting effect, two sets of rolling wheelsets strengthen to change the handle and rotate the smoothness nature and supplementary rotation post and carry out vertical spacing, make it only rotate and longitudinal movement not.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a right side view of the connection of the adjustment plate, the bottom plate, the support block, the positioning rod and the positioning piece;

FIG. 3 is a top view of the connection of the housing, the positioning plate, the second threaded tube, the second threaded rod, and the positioning block;

FIG. 4 is an enlarged partial view of portion A of FIG. 1;

FIG. 5 is an enlarged view of part B of FIG. 1;

in the drawings, the reference numbers: 1. a base plate; 2. a body; 3. an adjusting plate; 4. a first threaded pipe; 5. a first threaded rod; 6. turning a handle; 7. a connecting frame; 8. rotating the column; 9. a first gear; 10. a second gear; 11. a fixing ring; 12. a rolling wheel group; 13. a roller; 14. positioning a plate; 15. a second threaded pipe; 16. a second threaded rod; 17. positioning blocks; 18. a rotating plate; 19. a rotating shaft; 20. a pulley; 21. a rotating sheet; 22. a third threaded pipe; 23. a third threaded rod; 24. inserting a block; 25. a card slot; 26. a restraining bar; 27. a support block; 28. positioning a rod; 29. a limiting plate; 30. positioning plates; 31. a connecting spring; 32. a locking plate; 33. a fourth threaded rod; 34. a fourth threaded pipe; 35. a weighting block; 36. a non-slip mat.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, the corrugated carton bundling machine of the present invention includes a bottom plate 1 and a machine body 2; the adjustable plate comprises an adjusting plate 3, four groups of first threaded pipes 4 and four groups of first threaded rods 5, wherein the left front side, the right front side, the left rear side and the right rear side of the top end of a bottom plate 1 are respectively provided with a first bearing seat, a first ball bearing is rotatably fixed in each group of first bearing seats, the bottom ends of the four groups of first threaded pipes 4 can be respectively rotatably inserted into the four groups of first ball bearings, the bottom ends of the four groups of first threaded rods 5 are respectively inserted into and screwed into the top ends of the four groups of first threaded pipes 4, the top ends of the four groups of first threaded rods 5 are respectively connected with the bottom end of the adjusting plate 3, the adjustable plate also comprises a rotating handle 6, a connecting frame 7, a rotating column 8, a first gear 9 and four groups of second gears 10, the four groups of second gears 10 are respectively sleeved and fixed on the outer sides of the four groups of first threaded pipes 4, the four groups of second gears 10 are all meshed with the first gear 9, the first gear, rotate 8 bottoms of post and be connected with 7 tops of link, bottom plate 1 vertically is provided with first logical groove, and it has first ball group to lead to the rotatable being fixed with in first logical inslot wall, 8 tops of rotation post pass first ball group and stretch out to bottom plate 1 top, 8 outside fixed cover of rotation post is equipped with two sets of solid fixed rings 11, two sets of solid fixed rings 11 inboards all are provided with roll wheelset 12, two sets of roll wheelset 12 respectively with 1 top bottom both sides of bottom plate paste tight contact, first gear 9 bottom left side and right side all are provided with gyro wheel 13, and the bottom of two sets of gyro wheels 13 all contacts with bottom plate 1 top, it drives four first threaded rod 5 of group to rotate in step through rotatory four first screwed pipe 4 of group and drive four first threaded rod 5 of group and carry out longitudinal movement, make organism 2 use height can conveniently adjust according to staff's use needs, thereby improve its adaptability, reduce the use limitation, four second gears 10 of group all make with the design of first gear 9 meshing The rotary handle 6 is rotated manually to drive the first gear 9 on the rotary column 8 to rotate, the adjustment and use are more convenient, the rotary handle 6 can rotate in a more labor-saving manner, the auxiliary rotary column 8 of the first ball group rotates more reliably, the two groups of rollers 13 rotate conveniently and improve the supporting effect, the two groups of rolling wheel groups 12 enhance the smooth rotation of the rotary handle 6 and limit the rotary column 8 longitudinally so that the rotary column only rotates without moving longitudinally, the rotary handle further comprises two groups of positioning plates 14, two groups of second threaded pipes 15, two groups of second threaded rods 16 and two groups of positioning blocks 17, the two groups of positioning plates 14 are respectively arranged at the front side and the rear side of the top end of the machine body 2, the inner sides of the two groups of positioning plates 14 are respectively provided with second bearing seats, second ball bearings are respectively arranged in the two groups of second bearing seats, the outer ends of the two groups of second threaded pipes 15 can be respectively inserted into the two groups of second ball bearings in, the outer ends of two groups of second threaded rods 16 are respectively inserted into and screwed into the inner ends of two groups of second threaded pipes 15, the inner ends of the two groups of second threaded rods 16 are respectively connected with the outer sides of two groups of positioning blocks 17, the two groups of second threaded pipes 15 are manually rotated to drive the two groups of positioning blocks 17 to move forwards and backwards, so that the two groups of positioning blocks 17 clamp and fix the carton and simultaneously assist the carton to be positioned forwards and backwards, and the carton is convenient to be bundled to a proper position, the carton packaging machine further comprises a rotating plate 18, a rotating shaft 19 and two groups of pulleys 20, the machine body 2 is arranged at the top end of the rotating plate 18, a rotating groove is formed in the middle of the top end of the adjusting plate 3, a rotating sheet 21 is arranged at the bottom end of the rotating shaft 19, the rotating sheet 21 is positioned in the rotating groove and can rotate relative to the rotating groove, the top end of the rotating shaft 19 is connected with the center of the, the machine body 2 on the rotating plate 18 can be conveniently rotated by manually rotating the rotating plate 18 and matching with the rotating sheet 21 to rotate relative to the rotating groove, the adaptability of the machine body is improved, the rotating shaft 19 is assisted to rotate by two groups of pulleys 20 and the supporting capacity is improved, the reliability is improved, the machine body also comprises two groups of third threaded pipes 22 and two groups of third threaded rods 23, the bottoms of the two groups of third threaded pipes 22 are respectively arranged at the left side and the right side of the top end of the adjusting plate 3, the bottoms of the two groups of third threaded rods 23 are respectively inserted into and screwed into the tops of the two groups of third threaded pipes 22, the tops of the two groups of third threaded rods 23 are respectively provided with an insert block 24, the left side, the right side, the front side and the rear side of the bottom end of the rotating plate 18 are respectively provided with a clamping groove 25, the tops of the two groups of insert blocks 24 are respectively inserted into the clamping grooves 25, the inserting blocks 24 are inserted into the clamping grooves 25 to limit the rotating plate 18 conveniently, the top ends of the two groups of inserting blocks 24 are inserted into the clamping grooves 25 on the left side and the right side respectively or are inserted into the clamping grooves 25 on the front side and the rear side respectively to fix the ohmmeter after rotating for ninety degrees, the electric resistance meter further comprises two groups of limiting rods 26, the inner ends of the two groups of limiting rods 26 are respectively arranged on the outer sides of the two groups of positioning blocks 17, the two groups of positioning plates 14 are provided with second through grooves in the front and the rear direction respectively, second ball groups can be fixed on the inner side walls of the two groups of second through grooves in a rotating mode, the outer ends of the two groups of limiting rods 26 respectively penetrate through the two groups of second ball groups and extend out of the two groups of positioning plates 14 respectively, the two groups of positioning blocks 17 are limited by the two groups of limiting rods 26 conveniently, so that the positioning blocks 17 only move in, the friction force is reduced, the device also comprises a supporting block 27, a positioning rod 28, a limiting plate 29 and a positioning piece 30, the supporting block 27 and the positioning piece 30 are respectively arranged at the rear sides of the bottom plate 1 and the adjusting plate 3, the bottom end of the positioning rod 28 is connected with the top end of the supporting block 27, the positioning piece 30 is longitudinally provided with a third through groove, a third ball group is rotatably fixed on the inner side wall of the third through groove, the top end of the positioning rod 28 passes through the third ball group and extends to the upper side of the positioning piece 30 to be connected with the limiting plate 29, the positioning rod 28 and the adjusting plate 3 slide relatively, when the bottom end of the limiting plate 29 is contacted with the rear side of the top end of the adjusting plate 3 to enable the adjusting plate 3 not to move upwards, the first threaded rod 5 and the first threaded pipe 4 are stably screwed on the upper side, so that the first threaded rod 5 is not easy to be separated from the first threaded pipe 4, the top ends of four groups of connecting springs 31 are respectively arranged at the left front side, the right front side, the left rear side and the right rear side of the bottom end of the adjusting plate 3, the bottom ends of the four groups of connecting springs 31 are all arranged at the top end of the bottom plate 1, the four groups of connecting springs 31 are used for facilitating adjustment and improving the supporting effect, the device also comprises two groups of locking plates 32 and two groups of locking spring groups, one ends of the two groups of locking spring groups are respectively connected with the inner sides of the two groups of positioning blocks 17, the other ends of the two groups of locking spring groups are respectively connected with the two groups of locking plates 32, the two groups of locking spring groups drive the two groups of locking plates 32 to clamp and assist in fixing, the device also comprises four groups of fourth threaded rods 33 and four groups of fourth threaded pipes 34, the top ends of the four groups of fourth threaded rods 33 are respectively arranged at the left front side, the right front side, the left rear side, four groups of fourth screwed pipe 34 bottoms all are connected with weight 35, four groups of weight 35 bottoms all are connected with slipmat 36, it is when whole the placing surface is not flat enough, can make it and four groups of fourth screwed pipe 33 cooperation length adaptation placing surface through the four groups of fourth screwed pipe 34 of manual rotation, the high practicality, four groups of weight 35 improve whole stability of placing, four groups of slipmat 36 further improve whole stability of placing, meanwhile, the fourth screwed pipe makes to change 6 and place and leave the interval between the surface, make to change 6 normal manual rotations.

The utility model discloses a corrugated box strapper, it is above the mounting means of all parts, connected mode or the mode that sets up are the welding, riveting or other common mechanical system, wherein can slide/rotate fixedly promptly for slide/not dropping under the rotation state, seal the intercommunication and seal when two connecting pieces communicate promptly, and the concrete structure of its all parts, model and coefficient index are its from the band-pass technique, as long as can reach all implementation of its beneficial effect, above-mentioned all with the electric module and be the common electrical part in market with electrical apparatus, buy when returning to the use only need connect according to the mutual electricity of the instruction manual that together buys back and can use, and control module is its common from the band-pass module, the event is all no longer repeated here.

The corrugated carton strapping machine of the utility model, under the condition of not explaining the contrary, the directional words contained in the terms of 'up-down, left-right, front-back, inside-outside, vertical and horizontal' and the like only represent the direction of the term under the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, 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 also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (9)

1. A corrugated carton strapping machine comprises a bottom plate (1) and a machine body (2); it is characterized by also comprising an adjusting plate (3), four groups of first threaded pipes (4) and four groups of first threaded rods (5), wherein the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate (1) are respectively provided with a first bearing seat, a first ball bearing is rotatably fixed in each group of first bearing seats, the bottom ends of the four groups of first threaded pipes (4) can be respectively rotatably inserted into the four groups of first ball bearings, the bottom ends of the four groups of first threaded rods (5) are respectively inserted into and screwed into the top ends of the four groups of first threaded pipes (4), the top ends of the four groups of first threaded rods (5) are respectively connected with the bottom end of the adjusting plate (3), the adjusting plate also comprises a rotating handle (6), a connecting frame (7), a rotating column (8), a first gear (9) and four groups of second gears (10), the four groups of second gears (10) are respectively sleeved and fixed on the outer sides of the four groups of first threaded pipes (4), and the four groups of second, first gear (9) suit is fixed in rotating post (8) top outside, it fixes in link (7) bottom to change (6) rotatable, it is connected with link (7) top to rotate post (8) bottom, bottom plate (1) vertically is provided with first logical groove, and it is rotatable to be fixed with first ball group to lead to the inside wall at first, it passes first ball group and stretches out to bottom plate (1) top to rotate post (8) top, it is equipped with two sets of solid fixed rings (11) to rotate the fixed cover in post (8) outside, two sets of solid fixed rings (11) inboards all are provided with rolling wheelset (12), two sets of rolling wheelset (12) paste tight contact with bottom plate (1) top both sides respectively, first gear (9) bottom left side and right side all are provided with gyro wheel (13), and the bottom of two sets of gyro wheel (13) all contacts with bottom (1) top.

2. The corrugated carton strapping machine according to claim 1, further comprising two sets of positioning plates (14), two sets of second threaded pipes (15), two sets of second threaded rods (16), and two sets of positioning blocks (17), wherein the two sets of positioning plates (14) are respectively installed at the front and rear sides of the top end of the machine body (2), the inner sides of the two sets of positioning plates (14) are respectively provided with a second bearing seat, and a second ball bearing is respectively arranged in the two sets of second bearing seats, the outer ends of the two sets of second threaded pipes (15) are respectively rotatably inserted into the two sets of second ball bearings, the outer ends of the two sets of second threaded rods (16) are respectively inserted into and screwed into the inner ends of the two sets of second threaded pipes (15), and the inner ends of the two sets of second threaded rods (16) are respectively connected with the outer.

3. The corrugated carton binding machine according to claim 2, further comprising a rotating plate (18), a rotating shaft (19) and two sets of pulleys (20), wherein the machine body (2) is mounted on the top end of the rotating plate (18), a rotating groove is formed in the middle of the top end of the adjusting plate (3), a rotating piece (21) is arranged at the bottom end of the rotating shaft (19), the rotating piece (21) is located inside the rotating groove, the rotating piece (21) can rotate relative to the rotating groove, the top end of the rotating shaft (19) is connected with the center of the bottom end of the rotating plate (18), the top ends of the two sets of pulleys (20) are respectively connected with the left side and the right side of the bottom end of the rotating plate (18), and the bottom ends of the two sets of pulleys (20) are respectively in close.

4. The corrugated carton binding machine according to claim 3, further comprising two sets of third threaded pipes (22) and two sets of third threaded rods (23), wherein the bottom ends of the two sets of third threaded pipes (22) are respectively installed at the left and right sides of the top end of the adjusting plate (3), the bottom ends of the two sets of third threaded rods (23) are respectively inserted into and screwed into the top ends of the two sets of third threaded pipes (22), the top ends of the two sets of third threaded rods (23) are respectively provided with an insertion block (24), the left, right, front and rear sides of the bottom end of the rotating plate (18) are respectively provided with a clamping groove (25), and the top ends of the two sets of insertion blocks (24) are respectively inserted into the clamping grooves (25) at the left and right sides or the clamping grooves (25) at the front and rear sides.

5. The corrugated carton binding machine according to claim 4, characterized by further comprising two sets of limiting rods (26), wherein the inner ends of the two sets of limiting rods (26) are respectively installed at the outer sides of the two sets of positioning blocks (17), the two sets of positioning plates (14) are respectively provided with a second through groove in the front and back direction, a second ball set is rotatably fixed at the inner side wall of the two sets of second through grooves, and the outer ends of the two sets of limiting rods (26) respectively penetrate through the two sets of second ball sets and respectively extend out of the two sets of positioning plates (14).

6. The corrugated carton binding machine according to claim 5, further comprising a supporting block (27), a positioning rod (28), a limiting plate (29) and a positioning plate (30), wherein the supporting block (27) and the positioning plate (30) are respectively installed at the rear sides of the bottom plate (1) and the adjusting plate (3), the bottom end of the positioning rod (28) is connected with the top end of the supporting block (27), the positioning plate (30) is longitudinally provided with a third through groove, a third ball group is rotatably fixed on the inner side wall of the third through groove, and the top end of the positioning rod (28) passes through the third ball group and extends out to the upper side of the positioning plate (30) to be connected with the limiting plate (29).

7. The corrugated box strapping machine as claimed in claim 6, further comprising four sets of connecting springs (31), wherein the top ends of the four sets of connecting springs (31) are respectively installed at the front left side, the front right side, the rear left side and the rear right side of the bottom end of the adjusting plate (3), and the bottom ends of the four sets of connecting springs (31) are all installed at the top end of the bottom plate (1).

8. The corrugated box bundling machine according to claim 7, further comprising two sets of locking plates (32) and two sets of locking springs, one end of each set of locking springs being connected to the inner sides of the two sets of positioning blocks (17), and the other end of each set of locking springs being connected to the two sets of locking plates (32).

9. The corrugated box strapping machine as claimed in claim 8, further comprising four sets of fourth threaded rods (33) and four sets of fourth threaded pipes (34), wherein the top ends of the four sets of fourth threaded rods (33) are respectively mounted on the left front side, the right front side, the left rear side and the right rear side of the bottom end of the bottom plate (1), the bottom ends of the four sets of fourth threaded rods (33) are respectively screwed into the top ends of the four sets of fourth threaded pipes (34), weighting blocks (35) are respectively connected to the bottom ends of the four sets of fourth threaded pipes (34), and anti-slip pads (36) are respectively connected to the bottom ends of the four sets of weighting blocks (35).

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