CN216271485U

CN216271485U - Spring type self-tensioning mechanism

Info

Publication number: CN216271485U
Application number: CN202122554522.4U
Authority: CN
Inventors: 余银祥; 张日亮; 张浩远
Original assignee: Luohe Weilong Biotechnology Co ltd
Current assignee: Luohe Weilong Biotechnology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-12
Anticipated expiration: 2031-10-22

Abstract

The utility model provides a spring type self-tensioning mechanism which comprises a rack of a conveying device, wherein a conveying belt is arranged on the rack, conveying rollers are arranged at two ends of the conveying belt, side baffles are arranged on two sides of the conveying rollers and on the rack, at least one group of tensioning through grooves are formed in the side baffles and correspond to the conveying rollers, guide plates are arranged on two sides of the tensioning through grooves and on base surfaces of the side baffles, tensioning mechanisms are connected among the guide plates, and the tensioning mechanisms are movably connected with two ends of the conveying rollers.

Description

Spring type self-tensioning mechanism

Technical Field

The utility model relates to the technical field of self-tensioning, in particular to a spring type self-tensioning mechanism.

Background

The conveying device is mainly applied to food, metallurgy, electric power, coal, chemical industry, building materials, wharfs, grains and the like, and is also called a continuous conveyor as a material handling machine capable of continuously conveying materials on a certain line. The conveyer can carry out horizontal, inclined and vertical conveying, and can also constitute the space conveying line, and the conveying line is generally fixed. The conveyer has large conveying capacity and long conveying distance, and can simultaneously complete a plurality of process operations in the conveying process, so the application is quite extensive, but the common problem of the belt conveying structure is that the belt can not effectively transmit and operate due to the phenomenon of looseness after long-time operation, therefore, a tensioning mechanism for the conveying belt needs to be installed on the conveying device, the traditional spring type tensioning mechanism mostly applies elastic acting force to one of a plurality of guide wheels or guide rollers of the conveying belt, automatic tensioning is realized through the elastic acting force, but the tension generated by the mode is small, and the tension device is mostly arranged in the conveying device and is difficult to overhaul and replace, meanwhile, when the elastic structure is damaged in long-term operation, the elastic force is gradually reduced, the tensioning failure is caused, and the tensioning mechanism is located in the conveying device and is difficult to find, so that the conveying roller idles and cannot drive the conveying belt, and therefore huge loss is caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a spring type self-tensioning mechanism, which can automatically tension two ends of a conveyor belt through the spring type self-tensioning mechanism disposed outside the conveyor, and can alarm when a tension force of the self-tensioning mechanism is reduced through a stroke alarm adapted to the self-tensioning mechanism, so as to effectively avoid loss caused by idle rotation of the conveyor roller.

In order to solve the technical problems, the utility model provides a spring type self-tensioning mechanism which comprises a rack of a conveying device, wherein a conveying belt is arranged on the rack, conveying rollers are arranged at two ends of the conveying belt, side baffles are arranged on two sides of the conveying rollers and on the rack, at least one group of tensioning through grooves are arranged on the side baffles corresponding to the conveying rollers, guide plates are arranged on two sides of the tensioning through grooves and on base surfaces of the side baffles, a tensioning mechanism is connected between the guide plates, and the tensioning mechanism is movably connected with two ends of the conveying rollers.

Further, the side baffle is fixedly connected to the upper base surfaces of the two sides of the rack, the side baffle and the upper base surface of the rack are surrounded to form a groove, and the conveyor belt is arranged inside the groove.

Further, the both ends of transfer roller pass the tensioning and lead to the groove and have bearing arrangement at its end connection, the both ends of transfer roller are connected in straining device.

Furthermore, the guide plate is symmetrically arranged on the upper side and the lower side of the tensioning through groove, two ends of the guide plate are movably connected to the side baffle through connecting pieces, a guide sliding plate is arranged on one side, close to the tensioning through groove, of the guide plate, and the tensioning mechanism is connected with the guide plate in a sliding mode through the guide sliding plate.

Further, straining device is including connecting the outside sliding block of bearing structure, the fixing through hole of setting on the sliding block, the fixed block of setting in sliding block one end, the spacing groove of setting on the fixed block, set up the spacing bolt head in the spacing groove, connect the lead screw that just passes the fixed block in the spacing bolt head, set up on the lead screw and be located the fixation nut of fixed block one side, the shelves pole that sets up on the lead screw and be located between fixation nut and fixed block, cup joint the fixed stop on the lead screw, set up in the fixed stop lower part and with side baffle fixed connection's backing plate, the elastic construction that sets up on the lead screw and be located fixed stop one side, the adjusting nut who sets up on the lead screw and be located elastic construction one side and set up on the lead screw and be located the limit nut of fixed stop one side.

Further, the upper and lower both sides of sliding block are provided with the direction spout that suits with the direction slide, fixing hole is used for cup jointing bearing structure, fixed block fixed connection is in one side of sliding block, the spacing groove is the logical groove of setting on the fixed block, spacing bolt head sets up at the spacing inslot and is connected with the lead screw through the bolt hole that sets up above that, fixation nut connects soon on the lead screw and cooperatees with the fixed block and fixes the shelves pole on the lead screw, the lower part of shelves pole is provided with the through-hole that suits with the lead screw, and the lead screw passes in the through-hole with this to connect the shelves pole on the lead screw, the last trompil that suits with the lead screw that is provided with of fixed stop, backing plate and fixed stop's one end fixed connection, the backing plate welding is on the base face of side baffle.

Furthermore, the elastic structure is a spring, the elastic structure is sleeved on the screw rod and is located between the fixed baffle and the adjusting nut, and the limiting nut is located at the tail end of the screw rod and on one side of the fixed baffle.

Furthermore, an alarm is arranged on the base surface of the side baffle corresponding to the fixed baffle, a travel switch is arranged on the lower portion of the alarm, and the travel switch is matched with the fixed baffle.

The technical scheme of the utility model has the following beneficial effects:

1. the both ends of transfer roller are worn out by the tensioning logical inslot, are connected transfer roller and straining device through the bearing arrangement who sets up at the transfer roller both ends, can make the transfer roller receive straining force of straining device and transmit this tensioning force to the conveyer belt, can not influence the rotation of transfer roller when producing tensioning force to it again.

2. Sliding block sliding connection is in corresponding deflector, the direction slide that sets up on through the deflector makes the sliding block can slide between the deflector, cup joint bearing structure through the fixed through hole that sets up on the sliding plate simultaneously, consequently, the sliding block receives the spacing of transfer roller when sliding between the deflector, break away from because of the transfer roller can't be led to the inslot by the tensioning, consequently, the sliding block can't be deviate from by between the deflector equally, from this through spacing each other the steadiness that has increased the structure just makes the simple easy access change of structure more.

3. The lead screw passes through spacing bolt head and connects in the fixed block, and sets up fixation nut in the fixed block outside, fixes the shelves pole on the lead screw through fixation nut cooperation fixed block, makes lead screw and fixed block reciprocal anchorage simultaneously, and then makes the elastic force that the lead screw received can be transmitted the sliding block by the fixed block, carries out the tensioning to transport mechanism through the transfer roller that is connected with the sliding block.

4. The stop nut that the lead screw end set up can carry on spacingly to the lead screw, can restrict the lead screw when elastic construction's effort is too big, avoids unnecessary elastic force to act on the driving roller and makes the rotation of transfer roller restriction conveyer belt.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the utility model at A;

FIG. 4 is an exploded view at A of the present invention;

fig. 5 is a schematic view of the connection of the guide chute and the guide slide plate of the present invention.

1. A frame; 2. a conveyor belt; 3. a conveying roller; 4. side baffles; 5. a tensioning through slot; 6. a bearing structure; 7. a connecting member; 8. a guide slide plate; 9. a slider; 10. a fixing through hole; 11. a fixed block; 12. a limiting groove; 13. limiting the bolt head; 14. a screw rod; 15. fixing a nut; 16. a gear lever; 17. fixing a baffle plate; 18. a base plate; 19. an elastic structure; 20. adjusting the nut; 21. a limit nut; 22. an alarm; 23. a travel switch; 24. a support pillar; 25. a support pad; 26. a guide plate; 27. a guide chute.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.

As shown in fig. 1-5: a spring type self-tensioning mechanism comprises a rack 1 of a conveying device, wherein a conveying belt 2 is arranged on the rack 1, conveying rollers 3 are arranged at two ends of the conveying belt 2, side baffle plates 4 are arranged on two sides of the conveying rollers 3 and on the rack 1, at least one group of tensioning through grooves 5 are arranged on the side baffle plates 4 corresponding to the conveying rollers 3, guide plates 26 are arranged on two sides of the tensioning through grooves 5 and on base surfaces of the side baffle plates 4, tensioning mechanisms are connected among the guide plates 26, the tensioning mechanisms are movably connected with two ends of the conveying rollers 3, specifically, the side baffle plates are welded on the base surfaces on two sides of the rack, grooves are formed by matching the rack with the side baffle plates, the conveying belts are arranged in the grooves, the corresponding tensioning mechanisms can be positioned on the side baffle plates and are provided with one group or two groups corresponding to the conveying rollers, when two ends of the conveying belts are required to be tensioned simultaneously, set up the tensioning logical groove on corresponding side baffle for the both ends of transfer roller are stretched out by the logical inslot of tensioning, connect on straining device can, when only needing to carry out the tensioning to the one end of conveying belt, corresponding only need set up the tensioning logical groove in relative conveyer belt and transfer roller department and connect straining device can.

According to an embodiment of the present invention, as shown in fig. 1 and 2, the side guards 4 are fixedly connected to the upper base surfaces on both sides of the frame 1, the side guards 4 surround the upper base surface of the frame 1 to form a groove, the conveyor belt 2 is disposed inside the groove, and specifically, the side guards are symmetrically disposed on the upper base surfaces on both sides of the frame.

According to one embodiment of the present invention, as shown in fig. 1-3, two ends of the conveying roller 3 pass through the tensioning through slot 5 and are connected with the bearing structures 6 at the ends thereof, two ends of the conveying roller 3 are connected in the tensioning mechanism, specifically, two ends of the conveying roller are provided with the bearing structures and indirectly connected with the tensioning mechanism through the bearing structures.

According to one embodiment of the present invention, as shown in fig. 1, 2 and 5, the guide plates 26 are symmetrically disposed on the upper and lower sides of the tensioning through slot 5, two ends of the guide plates 26 are movably connected to the side guards 4 through the connecting members 7, the guide plates 26 are provided with guide sliding plates 8 on the side close to the tensioning through slot 5, the tensioning mechanism is slidably connected to the guide plates 26 through the guide sliding plates 8, specifically, the guide plates are provided with two guide sliding plates and are symmetrically disposed on the upper and lower sides of the tensioning through slot, and the guide sliding plates disposed on one side of the guide plates are matched with the guide sliding slots disposed on the sliding plates to connect the tensioning mechanism between the guide plates.

According to an embodiment of the present invention, as shown in fig. 1 to 4, the tensioning mechanism includes a sliding block 9 connected to the outside of the bearing structure 6, a fixing through hole 10 disposed on the sliding block 9, a fixing block 11 disposed at one end of the sliding block 9, a limiting groove 12 disposed on the fixing block 11, a limiting bolt head 13 disposed in the limiting groove 12, a screw 14 connected to the limiting bolt head 13 and passing through the fixing block 11, a fixing nut 15 disposed on the screw 14 and located at one side of the fixing block 11, a stop rod 16 disposed on the screw 14 and located between the fixing nut 15 and the fixing block 11, a fixing baffle 17 sleeved on the screw 14, a backing plate 18 disposed at the lower part of the fixing baffle 17 and fixedly connected to the side baffle 4, an elastic structure 19 disposed on the screw 14 and located at one side of the fixing baffle 17, an adjusting nut 20 disposed on the screw 14 and located at one side of the elastic structure 19, and a limiting nut disposed on the screw 14 and located at one side of the fixing baffle 17 Specifically, the through hole that sliding block central point set up is fixing through hole, bearing structure connects in fixing through hole, fixed block fixed connection is in one side of sliding block, the spacing groove is the logical groove of setting on the fixed block, spacing bolt head suits with the lead screw, fixation nut cooperatees with spacing bolt head and fixes the lead screw on the fixed block, be provided with the through hole that suits with the lead screw on the corresponding fixed block, and the one end and the spacing groove of this through hole are connected, fixation nut fixes the shelves pole on the bolt equally when screwing and spacing bolt head cooperation, make the upper portion of shelves pole and the travel switch of siren be at same height simultaneously, consequently when the not enough shelves pole of tensile force moves to one side along with the lead screw will set out travel switch and make the siren send out the police dispatch.

According to an embodiment of the present invention, as shown in fig. 3 and 5, the upper and lower sides of the sliding block 9 are provided with guide sliding grooves 27 corresponding to the guide sliding plate 8, the fixing through hole 10 is used for sleeving the bearing structure 6, the fixing block 11 is fixedly connected to one side of the sliding block 9, the limiting groove 12 is a through groove provided on the fixing block 11, the limiting bolt head 13 is provided in the limiting groove 12 and connected to the screw rod 14 through a bolt hole provided thereon, the fixing nut 15 is screwed on the screw rod 14 and matched with the fixing block 11 to fix the stopper rod 16 on the screw rod 14, the lower portion of the stopper rod 16 is provided with a through hole corresponding to the screw rod 14, the screw rod 14 passes through the through hole to connect the stopper rod 16 to the screw rod 14, the fixing baffle 17 is provided with an opening corresponding to the screw rod 14, the backing plate 18 is fixedly connected to one end of the fixing baffle 17, the backing plate 18 is welded to the base surface of the side wall 4, and specifically the slide block is slidably connected to the guide plate so that the slide block can slide between the guide plates.

According to an embodiment of the present invention, as shown in fig. 1, 3, and 4, the elastic structure 19 is a spring, the elastic structure 19 is sleeved on the screw rod 14 and located between the fixed baffle 17 and the adjusting nut 20, the limiting nut 21 is located at the end of the screw rod 14 and located at one side of the fixed baffle 17, specifically, one side of the elastic structure abuts against the fixed baffle, and the fixed baffle is fixedly connected to the side baffle through the pad, so that the acting force of the elastic structure can only act on the fixed block and the sliding plate, and the acting force is transmitted to the conveying roller through the fixed block and the sliding plate, so that the conveying roller tensions the conveying roller.

According to one embodiment of the present invention, as shown in fig. 1 and 3, an alarm 22 is disposed on the base surface of the side guard 4 corresponding to the stop lever 16, a travel switch 23 is disposed at the lower portion of the alarm 22, the travel switch 23 is adapted to the fixed guard 17, and specifically, an external power source is connected to the alarm.

According to an embodiment of the present invention, as shown in fig. 1 and 2, a plurality of support columns 24 are symmetrically arranged at the lower part of the frame 1, support pads 25 are arranged at the lower ends of the support columns 24, specifically, the support columns are arranged at four corners of the lower part of the frame, the support pads are fixedly connected to the lower parts of the support columns, and the support pads increase the stability of the support columns and the frame.

The use method of the utility model comprises the following steps:

connecting straining device on the side baffle when using, stretch out the both ends of transfer roller through the tensioning logical groove, cup joint the fixed logical groove on the sliding block on the bearing arrangement that the transfer roller both ends set up this moment, connect and adjust fixation nut after accomplishing and make fixation nut cooperation fixed block fix the pin rod on the lead screw, adjust adjusting nut afterwards, adjust the effort size of elastic construction to the lead screw through adjusting nut according to the tensioning demand, adjust stop nut according to the condition at last can.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a spring is from straining device which characterized in that: frame (1) including conveyer, be provided with conveyer belt (2) on frame (1), the both ends of conveyer belt (2) are provided with transfer roller (3), the both sides of transfer roller (3) and be provided with side shield (4) on frame (1), it leads to groove (5) to correspond transfer roller (3) and is provided with a set of tensioning at least on side shield (4), the tensioning leads to groove (5) both sides and is provided with deflector (26) on the base face of side shield (4), be connected with straining device between deflector (26), straining device and the both ends swing joint of transfer roller (3).

2. The spring type self-tensioning mechanism of claim 1, wherein: side baffle (4) fixed connection is at the base face on the both sides of frame (1), side baffle (4) surround with the last base face of frame (1) and form the recess, conveyer belt (2) set up inside the recess.

3. The spring type self-tensioning mechanism of claim 2, wherein: the both ends of transfer roller (3) are passed tensioning logical groove (5) and are had bearing arrangement (6) at its end connection, the both ends of transfer roller (3) are connected in straining device.

4. The spring type self-tensioning mechanism of claim 3, wherein: the guide plate (26) is symmetrically arranged on the upper side and the lower side of the tensioning through groove (5), two ends of the guide plate (26) are movably connected to the side baffle (4) through a connecting piece (7), a guide sliding plate (8) is arranged on one side, close to the tensioning through groove (5), of the guide plate (26), and the tensioning mechanism is connected with the guide plate (26) in a sliding mode through the guide sliding plate (8).

5. The spring type self-tensioning mechanism of claim 4, wherein: the tensioning mechanism comprises a sliding block (9) connected to the outside of the bearing structure (6), a fixing through hole (10) arranged on the sliding block (9), a fixing block (11) arranged at one end of the sliding block (9), a limiting groove (12) arranged on the fixing block (11), a limiting bolt head (13) arranged in the limiting groove (12), a screw rod (14) connected into the limiting bolt head (13) and penetrating through the fixing block (11), a fixing nut (15) arranged on the screw rod (14) and positioned on one side of the fixing block (11), a stop lever (16) arranged on the screw rod (14) and positioned between the fixing nut (15) and the fixing block (11), a fixing baffle (17) sleeved on the screw rod (14), a cushion plate (18) arranged on the lower portion of the fixing baffle (17) and fixedly connected with the side baffle (4), an elastic structure (19) arranged on the screw rod (14) and positioned on one side of the fixing baffle (17), The adjusting nut (20) is arranged on the screw rod (14) and is positioned on one side of the elastic structure (19), and the limiting nut (21) is arranged on the screw rod (14) and is positioned on one side of the fixed baffle (17).

6. The spring type self-tensioning mechanism of claim 5, wherein: the upper side and the lower side of the sliding block (9) are provided with guide sliding grooves (27) matched with the guide sliding plate (8), the fixing through hole (10) is used for being sleeved with the bearing structure (6), the fixing block (11) is fixedly connected to one side of the sliding block (9), the limiting groove (12) is a through groove arranged on the fixing block (11), the limiting bolt head (13) is arranged in the limiting groove (12) and is connected with the screw rod (14) through a bolt hole arranged on the limiting groove, the fixing nut (15) is screwed on the screw rod (14) and is matched with the fixing block (11) to fix the stop lever (16) on the screw rod (14), the lower part of the stop lever (16) is provided with a through hole matched with the screw rod (14), the screw rod (14) penetrates through the through hole to connect the stop lever (16) on the screw rod (14), the fixing baffle (17) is provided with an open hole matched with the screw rod (14), the backing plate (18) is fixedly connected with one end of the fixed baffle (17), and the backing plate (18) is welded on the base surface of the side baffle (4).

7. The spring type self-tensioning mechanism of claim 6, wherein: the elastic structure (19) is a spring, the elastic structure (19) is sleeved on the screw rod (14) and is located between the fixed baffle (17) and the adjusting nut (20), and the limiting nut (21) is located at the tail end of the screw rod (14) and on one side of the fixed baffle (17).

8. The spring type self-tensioning mechanism of claim 7, wherein: correspond fixed stop (17) are provided with alarm (22) on the base face of side baffle (4), the lower part of alarm (22) is provided with travel switch (23), travel switch (23) suit with fixed stop (17).