CN214269127U

CN214269127U - An adjustable conveyor

Info

Publication number: CN214269127U
Application number: CN202022439519.3U
Authority: CN
Inventors: 陶峰; 吕国斌; 苏忠军; 许甫生; 李能; 刘祯祥; 王君能; 李国平; 王博颖
Original assignee: Jiangxi Liziyuan Food Co Ltd
Current assignee: Jiangxi Liziyuan Food Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-09-24
Anticipated expiration: 2030-10-28

Abstract

The utility model provides an adjustable conveying frame. It solves the problem that the inclination angle and length of the conveyor rack cannot be adjusted according to the actual situation during the actual installation process, and the installation is relatively inconvenient. When the utility model is installed, the second guide block is driven to rotate by rotating the rotating ring, the second rotating block moves along the gap between two adjacent first rotating blocks in the direction away from the first base, The rotating ring on the second base lifts the second base to realize the inclination adjustment of the conveying frame, and after the first through hole and the second through hole are overlapped, the locking pin is inserted into the first through hole and the second through hole and penetrates through The first fixed pipe, lower than the fixed pipe and the second guide block, realize the locking between the first fixed pipe, the second fixed pipe, the first guide block and the second guide block, and move the second rotating shaft through the second guide groove. The distance between the second rotating shaft and the first rotating shaft is adjusted to realize the adjustment of the length of the conveyor belt, and the installation is simple and convenient.

Description

Adjustable conveying frame

Technical Field

The utility model discloses equipment belongs to conveying equipment technical field, in particular to carriage with adjustable.

Background

In the existing milk processing and producing process, milk bottles are generally required to be conveyed by various conveying frames and moved among various processes, filled bottles are required to be packaged and capped, different equipment generally has different height differences, the conveying frames with certain inclination angles are generally required to convey milk bottles processed in higher equipment with a higher height to a position with a lower height and the same height as that of subsequent processing equipment and then to be conveyed into subsequent processing equipment, but in the actual installation process, the inclination angles of the inclined conveying frames are required to be adjusted according to actual use conditions so as to adapt to different installation conditions, and after the processing equipment is used for a long time, the equipment is generally required to be replaced or the workshop site is required to be replaced, the equipment is required to be conveyed to another site for combination, the length of the conveying frames of the original conveying frames is insufficient due to different equipment or site limitation, need use different carriage in order to adapt to different place and equipment, the carriage can't adjust length according to the in-service use condition, and is comparatively inconvenient in the installation of reality, and prior art exists the modifiable part.

Disclosure of Invention

The utility model discloses inclination and length can't be adjusted according to actual conditions to the carriage in the installation of reality to equipment, installs comparatively inconvenient not enough, provides one kind and adjusts comparatively convenient adjustable carriage.

The invention aims to be realized by the following technical scheme: an adjustable conveying frame comprises a conveying frame for conveying goods and a fixing frame for mounting the conveying frame, and is characterized in that one end of the conveying frame is rotatably arranged on the fixing frame and is the rear end of the fixing frame, a first rotating rod is fixedly arranged at the front end of the fixing frame, a second rotating rod is fixedly arranged at the front end of the conveying frame, a plurality of first bases and second bases are respectively rotatably arranged on the first rotating rod and the second rotating rod, a first fixing pipe is fixedly arranged on the first base, a second fixing pipe inserted in the first fixing pipe is fixedly arranged on the second base, a plurality of first guide blocks are fixedly arranged on the periphery of the first fixing pipe, the first guide blocks rotate around the first fixing pipe and extend in the direction far away from the first base, the inner wall of each first guide block is attached to the outer wall of the first fixing pipe, a certain gap is reserved between two adjacent first guide blocks, a plurality of second guide blocks matched with the first guide blocks are movably arranged on the periphery of the second fixed pipe, the second guide blocks rotate around the second fixed pipe and extend towards the direction far away from the second base, a rotating ring is sleeved on the periphery of the second fixed pipe, one end of the rotating ring is attached to the second base, the second guide blocks are fixedly arranged on the second base towards one end of the base, the distance between the inner wall of each second guide block and the outer wall of the second fixed pipe is the same as the wall thickness of the first fixed pipe, the first fixed pipe is clamped between the second fixed pipe and the second guide blocks, the second guide blocks are sequentially clamped between two adjacent first guide blocks, and a locking device used for locking the second guide blocks is arranged between the first guide blocks and the second guide blocks, The conveying frame comprises two fixing plates which are oppositely arranged and a first rotating shaft which is rotatably arranged between the two fixing plates, a second rotating shaft and a third rotating shaft are movably arranged between the two fixing plates, the first rotating shaft and the second rotating shaft are positioned on the same plane, the third rotating shaft is positioned below the first rotating shaft, a conveying belt is sleeved on the peripheries of the first rotating shaft, the second rotating shaft and the third rotating shaft, an ejector rod which drives the conveying belt to contract towards the inside of the first rotating shaft, the second rotating shaft and the third rotating shaft is movably arranged between the two fixing plates and clings to the periphery of the conveying belt, first guide grooves for mounting the ejector rod are respectively arranged on the two fixing plates, and the plane where the first guide grooves are positioned is parallel to the plane where the first rotating shaft and the second rotating shaft are positioned, the two ends of the ejector rod are clamped in the first guide groove and can move along the length direction from the first guide groove to the guide groove, the two fixing plates are respectively provided with a second guide groove for installing the second rotating shaft, the plane where the second guide groove is positioned is superposed with the planes where the first rotating shaft and the second rotating shaft are positioned, the two ends of the second rotating shaft are clamped in the second guide groove and can move along the length direction of the second guide groove, the two fixing plates are respectively provided with a third guide groove for clamping the third rotating shaft, the plane where the third guide groove is positioned is vertical to the planes where the first rotating shaft and the second rotating shaft are positioned, the two ends of the third rotating shaft are clamped in the third guide groove and can move along the length direction of the third guide groove, and the two ends of the second rotating shaft, the third rotating shaft and the ejector rod are respectively connected with a locking block through threads for fixing the second rotating shaft, the third rotating shaft and the ejector rod on the two fixing plates, the second rotating shaft, the third rotating shaft and the ejector rod are respectively sleeved with a sleeve, a first motor for driving the first rotating shaft to rotate is fixedly arranged on the fixing plates, and a jacking mechanism for driving the ejector rod to move is arranged between the two fixing plates.

Preferably, the locking mechanism includes a plurality of first through holes formed in the first fixing tube and penetrating through the first fixing tube, the plurality of first through holes are distributed in a gap between two adjacent first guide blocks along the length direction of the first fixing tube, the second fixing tube is provided with a second through hole penetrating through the second fixing tube and the second guide block, a locking pin is inserted into the second through hole, and the first through hole can be sequentially overlapped with the plurality of first through holes along with the movement of the second fixing tube in the direction of the first fixing tube and inserted into the first fixing tube, the second fixing tube and the first guide block through the locking pin, so that the fixing among the first fixing tube, the second fixing tube, the first guide block and the second guide block is completed.

Preferably, the number of the first guide blocks and the number of the second guide blocks are two, and the angle of the first guide blocks around the first fixed pipe and the angle of the second guide blocks around the second fixed pipe on the same horizontal plane are ninety degrees.

Preferably, the first guide block and the second guide block have the same length, and the length of the second fixing tube is greater than that of the first fixing tube.

Preferably, the first base and the second base are both provided with two bases and are respectively located at two ends of the first rotating rod and the second rotating rod.

Preferably, the jacking mechanism comprises a supporting plate fixedly arranged between two fixing plates, a second motor is fixedly arranged on the supporting plate, two ends of the ejector rod are respectively and fixedly provided with a convex block, a connecting rod is rotatably arranged on the convex block, a mounting plate is fixedly arranged on one end, facing the ejector rod, of the second motor, and one ends, facing the second motor, of the two connecting rods are rotatably arranged on the mounting plate.

Preferably, a first support rod penetrating through the projection is fixedly arranged on the projection, the lower end of the first support rod abuts against the bottom of the first guide groove, and the connecting rod is rotatably arranged at one end of the first support rod above the projection.

Preferably, the mounting plate is fixedly provided with two second support rods, and one ends of the two connecting rods facing the second motor are rotatably arranged on the second support rods.

Preferably, a plurality of reinforcing rods are fixedly arranged between the two fixing plates.

Compared with the prior art, the utility model discloses when the installation, drive the second guide block through rotatory rotating ring and rotate, the second rotating block is along the clearance between two adjacent first rotating blocks to the direction of keeping away from first base removes, and through pasting swivel ring jacking second base of leaning on the second base, realize the inclination of carriage and adjust, and through first through-hole and second through-hole coincidence back peg graft the stop pin in first through-hole and second through-hole and run through first fixed pipe, be less than fixed pipe and second guide block, realize first fixed pipe, the fixed pipe of second, locking between first guide block and the second guide block, move the second pivot through the second guide way and adjust the distance between second pivot and the first pivot, realize the regulation of conveyer belt length, and carry out the top tight to conveyer belt after the length regulation through third pivot and ejector pin, make conveyer belt closely wrap up in first pivot, the first pivot, The second rotating shaft and the third rotating shaft are arranged at the periphery, the installation is simple and convenient, and the practicability is strong.

Drawings

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

FIG. 2 is an overall structural view of the first guide block and the second guide block after installation;

FIG. 3 is an overall structural view of the first base;

FIG. 4 is an overall structural view of the second chassis;

FIG. 5 is a cut-away view of the second mount;

FIG. 6 is a view of the overall structure of the carriage at its maximum inclination;

FIG. 7 is an overall structural view of the carriage;

FIG. 8 is a cut-away view of the carriage;

FIG. 9 is an overall structural view of the urging mechanism;

fig. 10 is an overall structural view of the second motor;

fig. 11 is an enlarged view at a in fig. 9.

The labels in the figure are: 1. a fixing plate; 2. a first rotating shaft; 3. a second rotating shaft; 4. a third rotating shaft; 5. a conveyor belt; 6. a top rod; 7. a first guide groove; 8. a second guide groove; 9. a third guide groove; 10. a locking block; 11. a sleeve; 12. a first motor; 13. a jacking mechanism; 14. a support plate; 15. a second motor; 16. a bump; 17. a connecting rod; 18. mounting a plate; 19. a first support bar; 20. a second support bar; 21. a reinforcing bar; 22. a carriage; 23. a fixed mount; 24. a first rotating lever; 25. a second rotating lever; 26. a first base; 27. a second base; 28. a first stationary tube; 29. a second stationary tube; 30. a first guide block; 31. a second guide block; 32. a rotating ring; 33. a locking mechanism; 34. a first through hole; 35. a second through hole; 36. a locking pin.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which: as shown in fig. 1 to 6, an adjustable conveying rack includes a conveying rack 22 for conveying goods and a fixing frame 23 for mounting the conveying rack 22, one end of the conveying rack 22 is rotatably disposed on the fixing frame 23, the end is a rear end of the fixing frame 23, a first rotating rod 24 is fixedly disposed at a front end of the fixing frame 23, a second rotating rod 25 is fixedly disposed at a front end of the conveying rack 22, a plurality of first bases 26 and second bases 27 are respectively rotatably disposed on the first rotating rod 24 and the second rotating rod 25, a first fixing pipe 28 is fixedly disposed on the first base 26, a second fixing pipe 29 inserted into the first fixing pipe 28 is fixedly disposed on the second base 27, a plurality of first guide blocks 30 are fixedly disposed at an outer periphery of the first fixing pipe 28, the first guide blocks 30 rotate around the first fixing pipe 28 and extend in a direction away from the first base 26, the inner wall of the first guide block 30 is attached to the outer wall of the first fixed pipe 28, a certain gap is left between two adjacent first guide blocks 30, the periphery of the second fixed pipe 29 is movably provided with a plurality of second guide blocks 31 matched with the first guide blocks 30, the second guide blocks 31 rotate around the second fixed pipe 29 and extend in the direction far away from the second base 27, the periphery of the second fixed pipe 29 is sleeved with a rotating ring 32, one end of the rotating ring 32 is attached to the second base 27, one end of each second guide block 31 facing the base is fixedly arranged on the second base 27, the distance between the inner wall of each second guide block 31 and the outer wall of the second fixed pipe 29 is the same as the wall thickness of the first fixed pipe 28, the first fixed pipe 28 is clamped between the second fixed pipe 29 and the second guide blocks 31, the second guide blocks 31 are sequentially clamped between two adjacent first guide blocks 30, a locking mechanism 33 for locking the second guide block 31, the first fixing tube 28 and the second fixing tube 29 is arranged between the first guide block 30 and the second guide block 31,

during installation, the rotating ring 32 is rotated to drive the second guide block 31 to rotate, the second rotating block moves towards a direction far away from the first base 26 along a gap between two adjacent first rotating blocks, the second base 27 is jacked up through the rotating ring 32 abutting against the second base 27, the inclination angle of the conveying frame 22 is adjusted, and locking between the first guide block 30 and the second guide block 31 is completed through the locking mechanism 33.

The locking mechanism 33 includes a plurality of first through holes 34 formed in the first fixing tube 28 and penetrating through the first fixing tube 28, the plurality of first through holes 34 are distributed in a gap between two adjacent first guide blocks 30 along the length direction of the first fixing tube 28, the second fixing tube 29 is provided with a second through hole 35 penetrating through the second fixing tube 29 and the second guide block 31, a locking pin 36 is inserted into the second through hole 35, and the first through holes 34 can be sequentially overlapped with the plurality of first through holes 34 in the process of moving the second fixing tube 29 to the first fixing tube 28 direction and inserted into the first fixing tube 28, the second fixing tube 29 and the first guide blocks 30 through the locking pin 36, so that the fixing among the first fixing tube 28, the second fixing tube 29, the first guide blocks 30 and the second guide blocks 31 is completed. After the first through hole 34 and the second through hole 35 are overlapped, the locking pin 36 is inserted into the first through hole 34 and the second through hole 35 and penetrates through the first fixing pipe 28, the second fixing pipe 29 and the second guide block 31, so that the first fixing pipe 28, the second fixing pipe 29, the first guide block 30 and the second guide block 31 are locked, and the operation is simple and rapid.

The number of the first guide blocks 30 and the number of the second guide blocks 31 are two, and the angle of the first guide blocks 30 around the first fixed pipe 28 and the angle of the second guide blocks 31 around the second fixed pipe 29 are ninety degrees on the same horizontal plane. The first guide block 30 and the second guide block 31 have the same length, and the second fixing tube 29 has a length greater than that of the first fixing tube 28. When the second guide block 31 is separated from the first guide block 30 by too long a rotation distance, the second fixing tube 29 is still inserted into the first fixing tube 28, so that the conveying frame 22 is supported, and the safety is high.

The first base 26 and the second base 27 are both provided with two, and are respectively located at two ends of the first rotating rod 24 and the second rotating rod 25. The support of the conveying frame 22 is realized by a first base 26 and a second base 27 respectively located at two ends of the first rotating rod 24 and the second rotating rod 25, and the support is stable.

The conveying frame 22 comprises two fixing plates 1 which are oppositely arranged and a first rotating shaft 2 which is rotatably arranged between the two fixing plates 1, a second rotating shaft 3 and a third rotating shaft 4 are movably arranged between the two fixing plates 1, the first rotating shaft 2 and the second rotating shaft 3 are positioned on the same plane, the third rotating shaft 4 is positioned below the first rotating shaft 2, a conveying belt 5 is sleeved on the peripheries of the first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 4, a push rod 6 which drives the conveying belt 5 to contract towards the inside of the first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 4 is movably arranged between the two fixing plates 1, the push rod 6 is attached to the periphery of the conveying belt 5, first guide grooves 7 which are used for installing the push rod 6 are respectively arranged on the two fixing plates 1, the plane where the first guide grooves 7 are positioned is parallel to the plane where the first rotating shaft 2 and the second rotating shaft 3 are positioned, the two ends of the ejector rod 6 are clamped in the first guide groove 7 and can move along the length direction from the first guide groove to the guide groove, the two fixing plates 1 are respectively provided with a second guide groove 8 for installing the second rotating shaft 3, the plane where the second guide groove 8 is located coincides with the planes where the first rotating shaft 2 and the second rotating shaft 3 are located, the two ends of the second rotating shaft 3 are clamped in the second guide groove 8 and can move along the length direction of the second guide groove 8, the two fixing plates 1 are respectively provided with a third guide groove 9 for clamping the third rotating shaft 4, the plane where the third guide groove 9 is located is vertical to the planes where the first rotating shaft 2 and the second rotating shaft 3 are located, the two ends of the third rotating shaft 4 are clamped in the third guide groove 9 and can move along the length direction of the third guide groove 9, and the two ends of the second rotating shaft 3, the third rotating shaft 4 and the ejector rod 6 are respectively connected with one end of the second rotating shaft 3, The locking block 10 that third pivot 4 and ejector pin 6 were fixed on two fixed plates 1, the cover is equipped with a sleeve 11 respectively on second pivot 3, third pivot 4 and the ejector pin 6, fixed being provided with the first motor 12 of the first pivot 2 pivoted of drive on the fixed plate 1, be provided with the tight mechanism 13 in top that the drive ejector pin 6 removed between two fixed plates 1. A plurality of reinforcing rods 21 are fixedly arranged between the two fixing plates 1. The overall structural strength is improved.

The distance between the second rotating shaft 3 and the first rotating shaft 2 is adjusted by moving the second rotating shaft 3 through the second guide groove 8, so that the length of the conveyor belt is adjusted, after the second rotating shaft 3 is adjusted to a proper distance, the second rotating shaft 3 is fixed on the two fixing plates 1 through the locking blocks 10 at the two ends of the second rotating shaft 3, the third rotating shaft 4 pulls the conveying belt 5 tightly under the action of gravity, the third rotating shaft 4 is fixed on the two fixing plates 1 through the locking blocks 10 at the two ends of the third rotating shaft 4, and the jacking mechanism 13 enables the jacking rod 6 to push the conveying belt 5 to contract towards the inside of the first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 4, so that the conveying belt 5 is firmly sleeved on the first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 4, the rotation of the conveying belt 5 is realized through the sleeve 11 sleeved on the second rotating shaft 3, the third rotating shaft 4 and the ejector rod 6.

The jacking mechanism 13 comprises a supporting plate 14 fixedly arranged between two fixing plates 1, a second motor 15 is fixedly arranged on the supporting plate 14, two ends of the ejector rod 6 are respectively and fixedly provided with a convex block 16, a connecting rod 17 is rotatably arranged on the convex block 16, a mounting plate 18 is fixedly arranged on the second motor 15 towards one end of the ejector rod 6, and the two connecting rods 17 are rotatably arranged on the mounting plate 18 towards one end of the second motor 15. A first supporting rod 19 is fixedly arranged on the lug 16 and penetrates through the lug 16, the lower end of the first supporting rod 19 abuts against the bottom of the first guide groove 7, and the connecting rod 17 is rotatably arranged at one end of the first supporting rod 19 above the lug 16. Two second support rods 20 are fixedly arranged on the mounting plate 18, and the two connecting rods 17 are rotatably arranged on the second support rods 20 towards one end of the second motor 15. The mounting plate 18 is pushed to move towards the ejector rod 6 through the second motor 15, the ejector rod 6 is driven to move along the first length direction to the guide groove through the connecting rod 17 and tightly pushes the conveying belt 5, and the structure is simple and practical.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An adjustable conveying frame, comprising a conveying frame (22) for conveying goods and a fixing frame (23) for installing the conveying frame (22), characterized in that one end of the conveying frame (22) rotates It is arranged on the fixing frame (23), and this end is the rear end of the fixing frame (23). The front end of the fixing frame (23) is fixedly provided with a first rotating rod (24). A second rotating rod (25) is fixedly arranged at the front end, and a plurality of first bases (26) and second bases (27) are respectively rotatably arranged on the first rotating rod (24) and the second rotating rod (25). , a first fixing tube (28) is fixedly arranged on the first base (26), and a second fixing tube (28) is fixedly arranged on the second base (27) A fixed tube (29), a plurality of first guide blocks (30) are fixedly disposed on the outer circumference of the first fixed tube (28), and the first guide blocks (30) rotate around the first fixed tube (28) and move toward Extending away from the first base (26), the inner wall of the first guide block (30) abuts on the outer wall of the first fixing tube (28), leaving a space between two adjacent first guide blocks (30). There is a certain gap, and a plurality of second guide blocks (31) matched with the above-mentioned first guide blocks (30) are movably arranged on the outer periphery of the second fixed tube (29). The second guide blocks (31) surround the first guide block (31). The two fixed pipes (29) rotate and extend away from the second base (27). A rotating ring (32) is sleeved on the outer periphery of the second fixed pipe (29). One end of the rotating ring (32) is in contact with On the above-mentioned second base (27), one end of a plurality of second guide blocks (31) facing the base is fixedly arranged on the second base (27), the inner wall of the second guide blocks (31) and the second fixing tube (29) The distance between the outer walls is the same as the wall thickness of the first fixing tube (28), and the first fixing tube (28) is clamped between the second fixing tube (29) and the second guide block (31). , the second guide block (31) is clamped between two adjacent first guide blocks (30) in turn, and between the first guide block (30) and the second guide block (31) a A locking mechanism (33) for locking the second guide block (31), the first fixing tube (28) and the second fixing tube (29), the conveying frame (22) includes two oppositely arranged fixing plates (1) and A first rotating shaft (2) rotatably arranged between two fixed plates (1), a second rotating shaft (3) and a third rotating shaft (4) are movably arranged between the two fixed plates (1), the said The first rotating shaft (2) and the second rotating shaft (3) are located on the same plane, the third rotating shaft (4) is located below the above-mentioned first rotating shaft (2), the first rotating shaft (2), the second rotating shaft ( 3) A transmission belt (5) is sleeved on the outer periphery of the third rotating shaft (4), and a driving transmission belt (5) is movably arranged between the two fixing plates (1) to the first rotating shaft (2), the second rotating shaft ( 3) The ejector rod (6) retracted with the third shaft (4), the ejector rod (6) abuts on the above-mentioned transmission skin The outer circumference of the belt (5), the two fixing plates (1) are respectively provided with a first guide groove (7) for installing the above-mentioned ejector rod (6), and the plane where the first guide groove (7) is located Parallel to the plane where the first rotating shaft (2) and the second rotating shaft (3) are located, the two ends of the top rod (6) are clamped in the first guide groove (7) and can follow the direction from the first to the guide groove. Moving in the longitudinal direction, the two fixed plates (1) are respectively provided with second guide grooves (8) for installing the above-mentioned second rotating shaft (3), and the plane where the second guide groove (8) is located is the same as the first rotating shaft. (2) The plane on which the second rotating shaft (3) is located coincides, and the two ends of the second rotating shaft (3) are clamped in the second guide groove (8) and can follow the direction of the second guide groove (8). Moving in the longitudinal direction, the two fixed plates (1) are respectively provided with third guide grooves (9) for clamping the third rotating shaft (4), and the plane of the third guide groove (9) and the first rotating shaft (2) It is perpendicular to the plane on which the second shaft (3) is located, and both ends of the third shaft (4) are clamped in the third guide groove (9) and can be along the length of the third guide groove (9). The two ends of the second rotating shaft (3), the third rotating shaft (4) and the mandrel (6) are respectively connected by threads with a second rotating shaft (3), the third rotating shaft (4) and the mandrel (6). (6) The locking block (10) fixed on the two fixing plates (1), the second rotating shaft (3), the third rotating shaft (4) and the ejector rod (6) are respectively sleeved with a sleeve (11), a first motor (12) that drives the first rotating shaft (2) to rotate is fixedly arranged on the fixing plate (1), and a motor (12) that drives the top rod (6) to move is arranged between the two fixing plates (1). Jacking mechanism (13).

2 . The adjustable conveying rack according to claim 1 , wherein the locking mechanism ( 33 ) comprises a plurality of openings on the first fixing pipe ( 28 ) and passing through the first fixing pipe ( 28 ). 3 . First through holes (34), a plurality of first through holes (34) are distributed in the gap between two adjacent first guide blocks (30) along the length direction of the first fixing tube (28), the second The fixing tube (29) is provided with a second through hole (35) penetrating the second fixing tube (29) and the second guide block (31), and a locking pin (35) is inserted into the second through hole (35). 36), the first through holes (34) can be sequentially overlapped with a plurality of first through holes (34) during the movement of the second fixed pipe (29) toward the first fixed pipe (28) and through the above-mentioned locking The pin (36) is inserted on the first fixing tube (28), the second fixing tube (29) and the first guide block (30) to complete the first fixing tube (28), the second fixing tube (29) and the first Fixing between a guide block (30) and a second guide block (31).

3 . The adjustable conveying rack according to claim 1 , wherein two first guide blocks ( 30 ) and two second guide blocks ( 31 ) are provided, and the first guide blocks are on the same horizontal plane. 4 . (30) The angle around the first fixed pipe (28) and the angle of the second guide block (31) around the second fixed pipe (29) are both ninety degrees.

4. An adjustable conveying rack according to claim 1, characterized in that, the length of the first guide block (30) and the second guide block (31) are the same, and the second fixed pipe (29) The length is greater than the length of the first fixing pipe (28).

5 . The adjustable conveying rack according to claim 1 , wherein two first bases ( 26 ) and two second bases ( 27 ) are provided, and they are respectively located on the first rotating rod ( 5 . 24) with both ends of the second rotating rod (25).

6. An adjustable conveying rack according to claim 1, characterized in that, the jacking mechanism (13) comprises a support plate (14) fixedly arranged between two fixing plates (1), the A second motor (15) is fixedly arranged on the support plate (14), two ends of the top rod (6) are respectively fixed with a projection (16), and a connection is provided on the projection (16) for rotation Rod (17), one end of the second motor (15) facing the ejector rod (6) is fixedly provided with a mounting plate (18), and one end of the two connecting rods (17) facing the second motor (15) is rotatably arranged on the on the mounting plate (18).

7. An adjustable conveying rack according to claim 6, characterized in that, a first support rod (19) passing through the protrusion (16) is fixedly arranged on the protrusion (16), the first support rod (19) The lower end of the support rod (19) abuts against the bottom of the first guide groove (7), and the connecting rod (17) is rotatably arranged on one end of the first support rod (19) above the projection (16).

8 . The adjustable conveying rack according to claim 6 , wherein two second support rods ( 20 ) are fixedly arranged on the mounting plate ( 18 ), and the two connecting rods ( 17 ) face One end of the second motor (15) is rotatably arranged on the second support rod (20).

9 . The adjustable conveying rack according to claim 1 , wherein a plurality of reinforcing rods ( 21 ) are fixedly arranged between the two fixing plates ( 1 ). 10 .