阅读说明：本技术 一种plc控制流水线式全自动轻型搬运装置 (PLC control assembly line type full-automatic light carrying device ) 是由 刘娜 于 2021-08-02 设计创作，主要内容包括：本发明公开了一种PLC控制流水线式全自动轻型搬运装置,一种PLC控制流水线式全自动轻型搬运装置,包括传送带、工作箱和收集框,所述传送带的一侧设置有工作箱,所述传送带的另一侧设置有收集框；所述传送带内部的中部安装有限位块,所述限位块表面和背面的两侧均安装有固定架。本发明通过工作箱的设置,伺服电机正转或反转可通过螺纹套筒带动推动块上下移动,因活动块a和活动块b均采用梯形设计,当活动块b向前移动时,可挤压活动块a向前移动,使得限位齿插入限位滑槽内,且可带动活动夹向前移动,通过固定夹和活动夹的搭配工作,可对传送带表面的物体进行夹持搬运,从而可避免人工捡取造成的费时费力,进而大大提高了工作效率。(The invention discloses a PLC (programmable logic controller) controlled production line type full-automatic light carrying device, which comprises a conveyor belt, a working box and a collecting frame, wherein the working box is arranged on one side of the conveyor belt, and the collecting frame is arranged on the other side of the conveyor belt; the inside mid-mounting of conveyer belt has the stopper, the mount is all installed to the both sides at stopper surface and the back. According to the invention, through the arrangement of the working box, the servo motor can drive the pushing block to move up and down through the threaded sleeve in a forward rotation or reverse rotation manner, and because the movable block a and the movable block b are both in a trapezoidal design, when the movable block b moves forwards, the movable block a can be extruded to move forwards, so that the limiting teeth are inserted into the limiting sliding grooves and can drive the movable clamp to move forwards, and objects on the surface of the conveying belt can be clamped and conveyed through the matching work of the fixed clamp and the movable clamp, so that the time and labor caused by manual picking can be avoided, and the working efficiency is greatly improved.)

1. The utility model provides a full-automatic light-duty handling device of PLC control assembly line formula, includes conveyer belt (1), work box (2) and collects frame (3), its characterized in that: a working box (2) is arranged on one side of the conveyor belt (1), and a collecting frame (3) is arranged on the other side of the conveyor belt (1);

the middle part on drive belt (1) surface is provided with hinders and stops screw thread (4), the internally mounted of conveyer belt (1) has stopper (5), mount (6) are all installed to the both sides at stopper (5) surface and the back, the middle part threaded connection on stopper (5) surface has connecting plate (7), the inside of connecting plate (7) is provided with PLC controller (8).

2. The PLC controlled pipelined full-automatic light duty carrying device according to claim 1, characterized in that: the middle part at work box (2) back installs and links up pole (9), the bottom of linking up pole (9) is connected with movable loop bar (10), bracing piece (11) have been cup jointed to the inside of activity loop bar (10), the bottom of bracing piece (11) is pegged graft and is had fixing base (12), and fixing base (12) and the crossing threaded connection of bracing piece (11) have fixed knob (14), fixed disk (15) are installed to the bottom of fixing base (12).

3. The PLC controlled pipelined full-automatic light duty carrying device according to claim 1, characterized in that: the movable rod is all installed to the inside both sides of conveyer belt (1), spacing dish (16) are all installed at the both ends on movable rod surface, the surface mounting of spacing dish (16) has dead lever (17), and the figure of dead lever (17) is four.

4. The PLC-controlled pipelined full-automatic light handling device of claim 3, wherein: the surface of dead lever (17) has cup jointed fixed lantern ring (18), fixed box (19) are installed to one side of fixed lantern ring (18), one side of fixed box (19) is connected with connecting rod (20), and the size of connecting rod (20) and the size looks adaptation of fixed box (19), the crossing department threaded connection of connecting rod (20) and fixed box (19) has fixing bolt (21).

5. The PLC controlled pipelined full-automatic light duty carrying device according to claim 1, characterized in that: the inside of work box (2) is provided with fixed block (22), spacing spout (23) have been seted up at the middle part at the back of fixed block (22), the inside sliding connection of spacing spout (23) has spacing tooth (24), the bottom of spacing tooth (24) is connected with movable clamp (25), movable block a (26) are installed to the bottom of spacing tooth (24), the bottom on the surface of movable block a (26) is connected with spacing groove (27), the surface mounting of spacing groove (27) has fixed column (28).

6. The PLC-controlled pipelined full-automatic light handling device of claim 5, wherein: the back sliding connection of movable block a (26) has movable block b (29), the back of movable block b (29) is installed and is promoted piece (30), it has threaded sleeve (31) to promote stable mid-mounting in piece (30) bottom, the inside threaded connection of threaded sleeve (31) has lead screw (32), the bottom of lead screw (32) is connected with servo motor (33), the bottom of servo motor (33) is connected with the motor case, and the motor case is located one side of work box (2) bottom.

7. The PLC controlled pipelined full-automatic light duty carrying device according to claim 1, characterized in that: fixing clamp (34) are installed to the bottom of work box (2), and the position and the activity of fixing clamp (34) press from both sides (25) looks adaptation, the inside wall of fixing clamp (34) and activity clamp (25) all is provided with anti-skidding screw thread.

8. The PLC-controlled pipelined full-automatic light handling device of claim 3, wherein: the bottom end of the fixed rod (17) is spliced with a shock absorption seat (35), a plurality of shock absorption springs (36) are arranged inside the shock absorption seat (35), and the top ends of the shock absorption springs (36) are connected to the periphery of the surface of the fixed rod (17) respectively.

9. The PLC controlled pipelined full-automatic light duty carrying device according to claim 1, characterized in that: collect frame (3) bottom department all around and be provided with universal wheel (37), push handle (38) are installed at the top on collection frame (3) surface, the mid-mounting on collection frame (3) surface has the fastening layer.

10. The PLC controlled pipelined full-automatic light duty carrying device according to claim 1, characterized in that: the surface of the working box (2) is provided with a plurality of heat dissipation strips (13), the top of the working box (2) is connected with a box cover, and a lifting groove is formed in the middle of the top of the box cover.

Technical Field

The invention relates to the technical field of full-automatic handling, in particular to a PLC (programmable logic controller) controlled assembly line type full-automatic light handling device.

Background

Programmable Logic Controller (PLC), a digital electronic device with a microprocessor, a digital logic controller for automatic control, the programmable controller is modularly assembled by an internal CPU, an instruction and data memory, an input/output unit, a power module, a digital analog unit and the like, is widely applied to the field of industrial control, before the advent of programmable logic controllers, hundreds or thousands of relays and counters were typically used to construct an automated system with the same functions, now, simple programmable logic controller modules that are programmed have essentially replaced these large devices, the system program of the programmable logic controller is generally initialized before the factory, and a user can edit a corresponding user program according to the requirement to meet different automatic production requirements.

Among the prior art the light-duty handling device shortcoming of a PLC control flow waterline formula is not enough:

1. in the prior art, when the PLC control flow waterline type light carrying device is used, manual picking and carrying are mostly adopted, so that the labor intensity of workers is easily increased, and the efficiency is low;

2. in the prior art, most of the PLC control flow line type light carrying devices do not have a collection structure for objects when in use, and the objects need to be manually taken and stored by workers, so that the working speed is reduced;

3. among the prior art light-duty handling device of PLC control flow waterline formula, when using, mostly do not have shock-absorbing structure, produced vibrations easily can cause the skew to its inside component's position when the in-service use to shorten its life.

Disclosure of Invention

The invention aims to provide a PLC (programmable logic controller) controlled production line type full-automatic light carrying device to solve the problems in the background technology.

In order to achieve the aim, the invention provides the following technical scheme that the PLC-controlled assembly line type full-automatic light carrying device comprises a conveying belt, a working box and a collecting frame, wherein the working box is arranged on one side of the conveying belt, and the collecting frame is arranged on the other side of the conveying belt;

the middle part on the surface of the transmission belt is provided with stop threads, the middle part inside the transmission belt is provided with a limiting block, fixing frames are arranged on the surfaces of the limiting block and the two sides of the back surface of the limiting block respectively, the middle part on the surface of the limiting block is in threaded connection with a connecting plate, and a PLC is arranged inside the connecting plate.

Preferably, the middle part at the back of the working box is provided with a connecting rod, the bottom end of the connecting rod is connected with a movable loop bar, a supporting rod is sleeved inside the movable loop bar, the bottom end of the supporting rod is spliced with a fixing seat, a fixing knob is connected to the intersection of the fixing seat and the supporting rod through threads, and a fixing disc is installed at the bottom of the fixing seat.

Preferably, the movable rod is all installed to the inside both sides of conveyer belt, spacing dish is all installed at the both ends on movable rod surface, the surface mounting of spacing dish has the dead lever, and the figure of dead lever is four.

Preferably, the surface of dead lever has cup jointed the fixed lantern ring, fixed box is installed to one side of the fixed lantern ring, one side of fixed box is connected with the connecting rod, and the size of connecting rod and the size looks adaptation of fixed box, the crossing threaded connection of department of connecting rod and fixed box has fixing bolt.

Preferably, the inside of work box is provided with the fixed block, spacing spout has been seted up at the middle part at the back of fixed block, the inside sliding connection of spacing spout has spacing tooth, the bottom of spacing tooth is connected with the activity and presss from both sides, movable block an is installed to the bottom of spacing tooth, the bottom on movable block a's surface is connected with the spacing groove, the surface mounting of spacing groove has the fixed column.

Preferably, the back sliding connection of movable block a has movable block b, the back of movable block b is installed and is promoted the piece, promote the stable mid-mounting in piece bottom and have the threaded sleeve, threaded sleeve's internal thread connection has the lead screw, the bottom of lead screw is connected with servo motor, servo motor's bottom is connected with the motor case, and the motor case is located one side of work box bottom.

Preferably, the bottom of work box is installed the fixation clamp, and the position and the activity of fixation clamp press from both sides looks adaptation, the inside wall of fixation clamp and activity clamp all is provided with anti-skidding screw thread.

Preferably, the bottom of dead lever is pegged graft and is had the shock attenuation seat, the inside of shock attenuation seat is provided with a plurality of damping spring, and the damping spring top is connected respectively in the surperficial department all around of dead lever.

Preferably, the universal wheels are arranged on the periphery of the bottom of the collecting frame, the pushing hands are installed on the top of the surface of the collecting frame, and the fastening layer is installed in the middle of the surface of the collecting frame.

Preferably, the surface of the working box is provided with a plurality of heat dissipation strips, the top of the working box is connected with a box cover, and the middle of the top of the box cover is provided with a lifting groove.

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

1. according to the invention, through the arrangement of the working box, the servo motor can drive the pushing block to move up and down through the threaded sleeve in a forward or reverse rotation manner, so that the pushing block can be tightly attached to the back of the movable block b, the movable block a and the movable block b are both in a trapezoidal design, when the movable block b moves forwards, the movable block a can be extruded to move forwards, the limiting teeth are inserted into the limiting sliding grooves, and the movable clamp can be driven to move forwards, and the fixed clamp is arranged at the bottom of the working box, the position of the fixed clamp is matched with that of the movable clamp, the inner side walls of the fixed clamp and the movable clamp are both provided with anti-skidding threads, so that objects on the surface of the conveying belt can be clamped and conveyed through the matching work of the fixed clamp and the movable clamp, the time and labor caused by manual picking can be avoided, and the working efficiency is greatly improved.

2. According to the invention, through the arrangement of the collecting frame, when an operator needs to collect objects, the operator can firstly insert the connecting rod into the fixing box, then the fixing bolt is screwed down to fix the connecting rod, so that the collecting frame can be quickly connected with the fixing rod, meanwhile, because the universal wheels are arranged at the periphery of the bottom of the collecting frame, the pushing handle is arranged at the top of the surface of the collecting frame, when the objects in the collecting frame are to be fully stored, the operator can disassemble the collecting frame from the surface of the fixing rod, and the collected objects can be quickly transferred through the matching use of the universal wheels and the pushing handle, so that the labor is saved, and the working speed is increased.

3. According to the invention, through the arrangement of the damping seat, when the worker needs to damp the vibration generated during the operation of the conveyor belt, the fixed rod can play a supporting role for the conveyor belt, and after the conveyor belt vibrates during the operation, the vibration sense can be transmitted into the fixed rod, so that the fixed rod extrudes the damping springs to two sides, and the damping springs deform after being stressed, so that the damping springs can play a supporting role for the fixed rod according to the elasticity of the damping springs, further the damping effect is reduced, the device can be protected, and the service life of the device is prolonged.

Drawings

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

FIG. 2 is a schematic view of a fixing base of the present invention;

FIG. 3 is a schematic view of a fixing block structure according to the present invention;

FIG. 4 is a schematic view of the structure of the working box of the present invention

FIG. 5 is a schematic diagram of a servo electrical cross-section structure according to the present invention;

FIG. 6 is a schematic cross-sectional view of the shock mount of the present invention;

FIG. 7 is a schematic diagram of a PLC controller according to the present invention;

fig. 8 is a schematic view of the structure of the fixing collar of the present invention.

In the figure: 1. a conveyor belt; 2. a work box; 3. a collection frame; 4. stopping the thread; 5. a limiting block; 6. a fixed mount; 7. a connecting plate; 8. a PLC controller; 9. a connecting rod; 10. a movable loop bar; 11. a support bar; 12. a fixed seat; 13. a heat dissipating strip; 14. fixing the knob; 15. fixing the disc; 16. a limiting disc; 17. fixing the rod; 18. a fixed collar; 19. a fixing box; 20. a connecting rod; 21. fixing the bolt; 22. a fixed block; 23. a limiting chute; 24. limiting teeth; 25. a movable clamp; 26. a movable block a; 27. a limiting groove; 28. fixing a column; 29. a movable block b; 30. a pushing block; 31. a threaded sleeve; 32. a screw rod; 33. a servo motor; 34. a fixing clip; 35. a shock absorbing seat; 36. a damping spring; 37. a universal wheel; 38. and (6) pushing the hand.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, in an embodiment of the present invention, a PLC-controlled pipelined full-automatic light-duty carrying device includes a conveyor belt 1, work boxes 2, and a collection frame 3, where one side of the conveyor belt 1 is provided with the work boxes 2, and the other side of the conveyor belt 1 is provided with the collection frame 3; the middle part of the surface of a transmission belt 1 is provided with stop threads 4, the middle part inside the transmission belt 1 is provided with a limit block 5, two sides of the surface and the back of the limit block 5 are respectively provided with a fixed mount 6, the middle part of the surface of the limit block 5 is in threaded connection with a connecting plate 7, the inside of the connecting plate 7 is provided with a PLC (programmable logic controller) 8, the middle part at the back of a working box 2 is provided with a connecting rod 9, the bottom end of the connecting rod 9 is connected with a movable loop bar 10, a supporting rod 11 is sleeved inside the movable loop bar 10, the bottom end of the supporting rod 11 is inserted with a fixed seat 12, the intersection of the fixed seat 12 and the supporting rod 11 is in threaded connection with a fixed knob 14, the bottom of the fixed seat 12 is provided with a fixed disk 15, a worker can determine the overall placement height of the structure by adjusting the extending distance of the supporting rod 11, after the proper structure is drawn out, the fixed knob 14 can be screwed down, and the fixed seat 12 and the fixed disk 15 are matched, the structure can be more stable when being placed, so that the phenomenon of toppling over can be prevented when carrying is carried out, movable rods are arranged on two sides inside the conveyor belt 1, limiting discs 16 are arranged at two ends of the surface of each movable rod, each limiting disc 16 can prevent the conveyor belt 1 from deviating in position when in work, so that the stability of the device in work can be improved, four fixing rods 17 are arranged on the surface of each limiting disc 16, a fixing sleeve ring 18 is sleeved on the surface of each fixing rod 17, a fixing box 19 is arranged on one side of each fixing sleeve ring 18, a connecting rod 20 is connected to one side of each fixing box 19, the size of each connecting rod 20 is matched with the size of each fixing box 19, a fixing bolt 21 is connected to the intersection of each connecting rod 20 and each fixing box 19 through threads, a fixing block 22 is arranged inside the work box 2, and a limiting chute 23 is formed in the middle of the back of each fixing block 22, the limiting slide groove 23 is internally connected with a limiting tooth 24 in a sliding manner, the bottom end of the limiting tooth 24 is connected with a movable clamp 25, the bottom of the limiting tooth 24 is provided with a movable block a26, the bottom of the surface of the movable block a26 is connected with a limiting groove 27, the surface of the limiting groove 27 is provided with a fixed column 28, and the back of the movable block a26 is connected with a movable block b29 in a sliding manner;

through the arrangement of the working box 2, the servo motor 33 can drive the pushing block 30 to move up and down through the threaded sleeve 31 in forward rotation or reverse rotation, so that the pushing block 30 can be tightly attached to the back of the movable block b29, the movable block a26 and the movable block b29 are both in trapezoidal design, when the movable block b29 moves forward, the movable block a26 can be pressed to move forward, the limiting teeth 24 are inserted into the limiting sliding grooves 23, the movable clamp 25 can be driven to move forward, the fixing clamp 34 is installed at the bottom of the working box 2, the position of the fixing clamp 34 is matched with that of the movable clamp 25, the inner side walls of the fixing clamp 34 and the inner side wall of the movable clamp 25 are both provided with anti-skidding threads, objects on the surface of the conveying belt 1 can be clamped and conveyed through the matching work of the fixing clamp 34 and the movable clamp 25, time and labor caused by manual picking can be avoided, and the working efficiency is greatly improved;

the back of the movable block b29 is provided with a pushing block 30, the stable middle part at the bottom of the pushing block 30 is provided with a threaded sleeve 31, the internal thread of the threaded sleeve 31 is connected with a lead screw 32, the bottom end of the lead screw 32 is connected with a servo motor 33, the bottom of the servo motor 33 is connected with a motor box, the motor box is positioned at one side of the bottom of the working box 2, the bottom of the working box 2 is provided with a fixed clamp 34, the position of the fixed clamp 34 is matched with that of the movable clamp 25, the inner side walls of the fixed clamp 34 and the movable clamp 25 are both provided with anti-skidding threads, the anti-skidding threads can increase the friction force of the fixed clamp 34 and the movable clamp 25, so that an object can be clamped more stably, the phenomenon that the object falls off during clamping work is effectively prevented, the bottom end of the fixed rod 17 is inserted with a damping seat 35, and the damping springs 36 are arranged inside the damping seat 35;

through setting up of cushion socket 35, when the staff need carry out the shock attenuation to the produced vibrations of conveyer belt 1 during operation, dead lever 17 can play the supporting role for the conveyer belt, after conveyer belt 1 during operation produces vibrations, can transmit the sense of earthquake to dead lever 17 in, make dead lever 17 to both sides extrusion damping spring 36, take place deformation behind the damping spring 36 atress, make it can play the holding power to dead lever 17 according to self elasticity, and then reduce the buffering, the shock attenuation effect has been played, then can protect the device, the service life of the device is prolonged

The top ends of the damping springs 36 are respectively connected to the periphery of the surface of the fixing rod 17, universal wheels 37 are arranged on the periphery of the bottom of the collecting frame 3, and a pushing handle 38 is arranged on the top of the surface of the collecting frame 3;

through the arrangement of the collecting frame 3, when a worker needs to collect objects, the worker can insert the connecting rod 20 into the fixing box 19 and then can fix the objects by screwing the fixing bolt 21, so that the collecting frame 3 can be quickly connected with the fixing rod 17, meanwhile, because the universal wheels 37 are arranged at the periphery of the bottom of the collecting frame 3, the top of the surface of the collecting frame 3 is provided with the pushing handle 38, when the objects in the collecting frame 3 are to be stored fully, the worker can remove the collecting frame 3 from the surface of the fixing rod 17, and the collected objects can be quickly transferred through the matching use of the universal wheels 37 and the pushing handle 38, so that the labor is saved, and the working speed is increased;

the mid-mounting on collection frame 3 surface has the fastening layer, and the fastening layer can be so that the overall structure of collecting frame 3 is more firm to can avoid leading to warping because of long-term the use, thereby influence staff's normal use, the surface of work box 2 is provided with a plurality of heat dissipation strip 13, and the top of work box 2 is connected with the case lid, and the middle part at case lid top has been seted up and has been carried the groove.

In the invention, the working steps of the device are as follows:

because the middle part of the back of the fixed block 22 is provided with the limiting sliding chute 23, the inside of the limiting sliding chute 23 is connected with the limiting tooth 24 in a sliding way, the bottom end of the limiting tooth 24 is connected with the movable clamp 25, the bottom of the limiting tooth 24 is provided with the movable block a26, the bottom of the surface of the movable block a26 is connected with the limiting groove 27, the surface of the limiting groove 27 is provided with the fixed column 28, the back of the movable block a26 is connected with the movable block b29 in a sliding way, the back of the movable block b29 is provided with the pushing block 30, the stable middle part of the bottom of the pushing block 30 is provided with the threaded sleeve 31, the internal thread of the threaded sleeve 31 is connected with the lead screw 32, the bottom end of the lead screw 32 is connected with the servo motor 33, the worker can start the servo motor 33 first to drive the lead screw 32 to rotate, the servo motor 33 rotates forwards or reversely and can drive the pushing block 30 to move upwards and downwards through the threaded sleeve 31, thereby the pushing block 30 can be clung to the back of the movable block b29, because the movable block a26 and the movable block b29 are both designed in a trapezoidal shape, when the movable block b29 moves forwards, the movable block a26 can be pressed to move forwards, so that the limit teeth 24 are inserted into the limit sliding grooves 23 and can drive the movable clamp 25 to move forwards, and because the bottom of the working box 2 is provided with the fixed clamp 34, the position of the fixed clamp 34 is matched with that of the movable clamp 25, the inner side walls of the fixed clamp 34 and the movable clamp 25 are both provided with anti-slip threads which can increase the friction force of the fixed clamp 34 and the movable clamp 25, an object can be clamped more stably, the object can be further prevented from falling off during clamping, the object on the surface of the conveying belt 1 can be clamped and conveyed through the matching work of the fixed clamp 34 and the movable clamp 25, so that the time and labor caused by manual picking can be avoided, and the working efficiency is greatly improved; when a worker needs to collect objects, because the surface of the fixed rod 17 is sleeved with the fixed lantern ring 18, one side of the fixed lantern ring 18 is provided with the fixed box 19, one side of the fixed box 19 is connected with the connecting rod 20, the size of the connecting rod 20 is matched with that of the fixed box 19, and the intersection of the connecting rod 20 and the fixed box 19 is in threaded connection with the fixed bolt 21, the worker can insert the connecting rod 20 into the fixed box 19 firstly and then tighten the fixed bolt 21 to fix the connecting rod, so that the collection frame 3 can be quickly connected with the fixed rod 17, meanwhile, because the universal wheels 37 are arranged at the periphery of the bottom of the collection frame 3, the top of the surface of the collection frame 3 is provided with the pushing hands 38, when the objects in the collection frame 3 are to be stored fully, the worker can disassemble the collection frame 3 from the surface of the fixed rod 17, and the universal wheels 37 and the pushing hands 38 are matched for use, the collected objects can be quickly transferred, and the fastening layer can enable the whole structure of the collecting frame 3 to be more stable, so that the deformation caused by long-term use can be avoided, the labor is saved, and the working speed is accelerated; when the worker needs to absorb the vibration generated when the conveyor belt 1 works, the damping seat 35 is inserted into the bottom end of the fixing rod 17, the plurality of damping springs 36 are arranged inside the damping seat 35, the top ends of the damping springs 36 are respectively connected to the periphery of the surface of the fixing rod 17, the fixing rod 17 can play a supporting role for the conveyor belt 1, when the conveyor belt 1 works to generate vibration, the vibration sense is transmitted into the fixing rod 17, the fixing rod 17 extrudes the damping springs 36 towards two sides, the damping springs 36 deform after being stressed, the fixing rod 17 can play a supporting role according to the elasticity of the damping springs, the buffer is reduced, the damping effect is achieved, the device can be protected, and the service life of the device is prolonged; when the staff need adjust the height of placing of work box 2, confirm the holistic height of placing of this structure because of the distance that stretches out of staff accessible regulation bracing piece 11, have joint pole 9 because of the mid-mounting at 2 backs of work box, the bottom of joint pole 9 is connected with movable loop bar 10, bracing piece 11 has been cup jointed to the inside of movable loop bar 10, the bottom of bracing piece 11 is pegged graft and is had fixing base 12, and fixing base 12 has fixed knob 14 with the crossing threaded connection of bracing piece 11, fixed disk 15 is installed to the bottom of fixing base 12, make the holistic height of placing of this structure be confirmed to the distance that stretches out of staff accessible regulation bracing piece 11, take out after appropriate structure, can tighten fixed knob 14 and fix it, fixing base 12 and fixed disk 15's collocation work, can make this structure can be more stable when placing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.