CN210847748U

CN210847748U - High-precision multi-roller automatic straightening device for folding back of wheelchair

Info

Publication number: CN210847748U
Application number: CN201921817428.XU
Authority: CN
Inventors: 乔有权
Original assignee: Taicang Tenghui Metal Products Co ltd
Current assignee: Taicang Tenghui Metal Products Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-26
Anticipated expiration: 2029-10-28

Abstract

A high-precision multi-roller automatic straightening device for a wheelchair backrest comprises a rack, a straightening structure, a fixing frame, a power structure and a first transmission structure, wherein the straightening structure is arranged on the rack, the fixing frame is arranged on one side of the straightening structure, and the power structure is arranged on the fixing frame and connected with the first transmission structure; the alignment structure comprises a shell, a multi-roller structure, a second transmission structure and an aluminum pipe clamping structure, wherein the multi-roller structure is arranged on the shell, and the second transmission structure is arranged on the shell, is positioned on the multi-roller structure and is connected with the aluminum pipe clamping structure. The aluminum pipe to be straightened is placed into the straightening mechanism, and the power structure arranged on the fixing frame drives the straightening structure to be straightened through the first transmission structure. All the structures cooperate with each other to finish the high-precision and high-efficiency straightening work of the aluminum pipe for manufacturing the wheelchair backrest.

Description

High-precision multi-roller automatic straightening device for folding back of wheelchair

Technical Field

The utility model relates to an aluminum alloy pipe field especially relates to an automatic coalignment of many gyro wheels of high accuracy for wheelchair rolls over back of body.

Background

Because the aluminum alloy pipe is soft in material and easy to bend and deform in the processes of transportation, cutting and the like, the cut pipe needs to be straightened before bending in the processing and manufacturing of the wheelchair folding back.

The automatic straightening device used in the current market has great defects, 1) manually rotating the straightening handle has many operation steps and low working efficiency; 2) complex clamping and fixing; 3) in the straightening process, manual operation is performed, the stress of the aluminum pipe is uneven, and the yield is low.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing an automatic coalignment of many gyro wheels of high accuracy for wheelchair is rolled over back has solved the not high yields problem of aluminum pipe coalignment work efficiency.

The technical scheme is as follows: the utility model provides a high-precision multi-roller automatic straightening device for a wheelchair backrest, which comprises a frame, a straightening structure, a fixing frame, a power structure and a first transmission structure, wherein the straightening structure is arranged on the frame, the fixing frame is arranged on one side of the straightening structure, and the power structure is arranged on the fixing frame and connected with the first transmission structure; the alignment structure comprises a shell, a multi-roller structure, a second transmission structure and an aluminum pipe clamping structure, wherein the multi-roller structure is arranged on the shell, and the second transmission structure is arranged on the shell, is positioned on the multi-roller structure and is connected with the aluminum pipe clamping structure. The aluminum pipe to be straightened is placed into the straightening mechanism, and the power structure arranged on the fixing frame drives the straightening structure to be straightened through the first transmission structure. All the structures cooperate with each other to finish the high-precision and high-efficiency straightening work of the aluminum pipe for manufacturing the wheelchair backrest. Wherein the aluminum pipe is fixed through the aluminum pipe clamping structure, moves under the drive of the second transmission structure, and completes the straightening work under the rolling action of the multi-roller structure.

Further, the multi-roller structure comprises a first roller structure, a second roller structure, a third roller structure and a fourth roller structure, and the distance between the first roller structure and the second roller structure is the same as the distance between the third roller structure and the fourth roller structure. In the straightening process, the aluminum pipe passes through a gap formed by the first roller structure and the second roller structure and a gap formed by the third roller structure and the fourth roller structure, and the first roller structure, the second roller structure, the third roller structure and the fourth roller structure press and roll the aluminum pipe for the second time, so that the straightening precision is improved.

Further, first gyro wheel structure, second gyro wheel structure, third gyro wheel structure and fourth gyro wheel structure are the same, first gyro wheel structure includes pivot, first bearing, second bearing and gyro wheel, first bearing and second bearing set up at the pivot both ends, the gyro wheel setting is located between first bearing and the second bearing in the pivot. The first roller structure is fixed on the shell through the first bearing and the second bearing, and the roller structure presses, rolls and straightens the aluminum pipe along with the movement of the aluminum pipe.

Furthermore, a semicircular groove is formed in the roller. The diameter of the semicircular groove is the same as that of the aluminum pipe, and the semicircular groove plays a role in guiding and pressing the aluminum pipe.

Further, the second transmission structure comprises a connecting shaft, a gear and a rack, and the gear is arranged on the connecting shaft and meshed with the rack. The power structure drives the gear to move on the rack in a meshed mode through the first transmission structure and the second transmission structure, the power structure rotates forwards and backwards, and therefore the aluminum pipe is driven to move back and forth between the straightening structures to be straightened for multiple times, and the straightening accuracy of the aluminum pipe is improved.

Further, the aluminum pipe clamping structure comprises a clamping support and a clamping head, and the clamping head is arranged at one end of the clamping support. The aluminum pipe is placed on the clamping support, and one end of the aluminum pipe is fixed through the clamping head.

Furthermore, the clamping head comprises an upper clamping ring, a lower clamping ring and a locking screw, wherein the upper clamping ring is connected with the lower clamping ring through the locking screw. And the clamping and loosening work of the aluminum pipe is completed by locking and loosening the locking screw.

Further, first transmission structure includes first gear, second gear, chain and tensioning adjustment structure, first gear and second gear pass through the chain and connect, tensioning adjustment structure sets up in chain one side. The tensioning force of the chain is adjusted, and the transmission efficiency is improved.

Further, the tensioning adjusting structure comprises a fixing block, a connecting block, a jacking block and an adjusting bolt, wherein the connecting block is arranged on the fixing block, the jacking block is arranged at one end of the connecting block, and the adjusting bolt is arranged at one end of the fixing block. The top of the jacking block is provided with a bulge, the width of the bulge is smaller than the gap between the two chain plates of the chain, and the tension adjusting effect is performed on the chain through the adjustment of the adjusting bolt.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: 1) the automatic straightening work of the aluminum pipe is completed, and the working efficiency is improved; 2) the power structure drives the straightening structure to straighten the aluminum pipe back and forth by positive and negative rotation, so that the yield is improved; 3) the structure is simple, and the operation is convenient; 4) the labor cost is reduced, and the economic benefit is improved.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of an alignment structure;

FIG. 3 is a right side view of the first roller configuration;

FIG. 4 is a right side view of the gripping head;

fig. 5 is a front view of the tension adjusting structure.

In the figure: the device comprises a rack 1, an alignment structure 2, a housing 21, a multi-roller structure 22, a first roller structure 221, a rotating shaft 2211, a first bearing 2212, a second bearing 2213, a roller 2214, a semicircular groove 22141, a second roller structure 222, a third roller structure 223, a fourth roller structure 224, a second transmission structure 23, a connecting shaft 231, a gear 232, a rack 233, an aluminum pipe clamping structure 24, a clamping bracket 241, a clamping head 242, an upper clamping ring 2421, a lower clamping ring 2422, a locking screw 2423, a fixed frame 3, a power structure 4, a first transmission structure 5, a first gear 51, a second gear 52, a chain 53, a tensioning adjusting structure 54, a fixed block 541, a connecting block 522, a jacking block 523, an adjusting bolt 524 and an aluminum pipe 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

As shown in fig. 1, the utility model is a perspective view, which comprises a frame 1, an alignment structure 2, a fixing frame 3, a power structure 4 and a first transmission structure 5, wherein the alignment structure 2 is arranged on the frame 1, the fixing frame 3 is arranged at one side of the alignment structure 2, and the power structure 4 is arranged on the fixing frame 3 and connected with the first transmission structure 5; as shown in fig. 2, the alignment structure 2 is a perspective view, and includes a housing 21, a multi-roller structure 22, a second transmission structure 23 and an aluminum pipe clamping structure 24, wherein the multi-roller structure 22 is disposed on the housing 21, and the second transmission structure 23 is disposed on the housing 21, located on the multi-roller structure 22 and connected to the aluminum pipe clamping structure 24.

The multi-roller structure 22 includes a first roller structure 221, a second roller structure 222, a third roller structure 223, and a fourth roller structure 224, and a distance between the first roller structure 221 and the second roller structure 222 is the same as a distance between the third roller structure 223 and the fourth roller structure 224.

The first roller structure 221, the second roller structure 222, the third roller structure 223 and the fourth roller structure 224 are identical in structure, and as shown in fig. 3, the right side view of the first roller structure 221 is shown, the first roller structure 221 includes a rotating shaft 2211, a first bearing 2212, a second bearing 2213 and a roller 2214, the first bearing 2212 and the second bearing 2213 are disposed at two ends of the rotating shaft 2211, and the roller 2214 is disposed on the rotating shaft 2211 and located between the first bearing 2212 and the second bearing 2213.

The roller 2214 is provided with a semicircular groove 22141.

The second transmission structure 23 includes a connecting shaft 231, a gear 232 and a rack 233, wherein the gear 232 is disposed on the connecting shaft 231 and meshed with the rack 233.

The aluminum pipe clamping structure 24 comprises a clamping bracket 241 and a clamping head 242, and the clamping head 242 is provided at one end of the clamping bracket 241.

Fig. 4 shows a right side view of the clamping head 242, which includes an upper clamping ring 2421, a lower clamping ring 2422 and a locking screw 2423, wherein the upper clamping ring 2421 and the lower clamping ring 2422 are connected by the locking screw 2423.

The first transmission structure 5 comprises a first gear 51, a second gear 52, a chain 53 and a tension adjusting structure 54, wherein the first gear 51 and the second gear 52 are connected through the chain 53, and the tension adjusting structure 54 is arranged on one side of the chain 53.

As shown in fig. 5, the front view of the tensioning adjustment structure 54 includes a fixing block 541, a connecting block 522, a tightening block 523, and an adjusting bolt 524, where the connecting block 522 is disposed on the fixing block 541, the tightening block 523 is disposed at one end of the connecting block 522, and the adjusting bolt 524 is disposed at one end of the fixing block 541.

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

Claims

1. The utility model provides an automatic coalignment of many gyro wheels of high accuracy for wheelchair is rolled over back which characterized in that: the device comprises a rack (1), an alignment structure (2), a fixing frame (3), a power structure (4) and a first transmission structure (5), wherein the alignment structure (2) is arranged on the rack (1), the fixing frame (3) is arranged on one side of the alignment structure (2), and the power structure (4) is arranged on the fixing frame (3) and connected with the first transmission structure (5); the straightening structure (2) comprises a shell (21), a multi-roller structure (22), a second transmission structure (23) and an aluminum pipe clamping structure (24), wherein the multi-roller structure (22) is arranged on the shell (21), and the second transmission structure (23) is arranged on the shell (21), is positioned on the multi-roller structure (22) and is connected with the aluminum pipe clamping structure (24).

2. The high-precision multi-roller automatic straightening device for the wheelchair backrest as claimed in claim 1, wherein: the multi-roller structure (22) comprises a first roller structure (221), a second roller structure (222), a third roller structure (223) and a fourth roller structure (224), and the distance between the first roller structure (221) and the second roller structure (222) is the same as the distance between the third roller structure (223) and the fourth roller structure (224).

3. The high-precision multi-roller automatic straightening device for the wheelchair backrest as claimed in claim 2, wherein: the first roller structure (221), the second roller structure (222), the third roller structure (223) and the fourth roller structure (224) are identical in structure, the first roller structure (221) comprises a rotating shaft (2211), a first bearing (2212), a second bearing (2213) and a roller (2214), the first bearing (2212) and the second bearing (2213) are arranged at two ends of the rotating shaft (2211), and the roller (2214) is arranged on the rotating shaft (2211) and located between the first bearing (2212) and the second bearing (2213).

4. The high-precision multi-roller automatic straightening device for the wheelchair backrest as claimed in claim 3, wherein: and a semicircular groove (22141) is formed in the roller (2214).

5. The high-precision multi-roller automatic straightening device for the wheelchair backrest as claimed in claim 1, wherein: the second transmission structure (23) comprises a connecting shaft (231), a gear (232) and a rack (233), wherein the gear (232) is arranged on the connecting shaft (231) and meshed with the rack (233).

6. The high-precision multi-roller automatic straightening device for the wheelchair backrest as claimed in claim 1, wherein: the aluminum pipe clamping structure (24) comprises a clamping support (241) and a clamping head (242), wherein the clamping head (242) is arranged at one end of the clamping support (241).

7. The high-precision multi-roller automatic straightening device for the wheelchair backrest as claimed in claim 6, wherein: the clamping head (242) comprises an upper clamping ring (2421), a lower clamping ring (2422) and a locking screw (2423), and the upper clamping ring (2421) and the lower clamping ring (2422) are connected through the locking screw (2423).

8. The high-precision multi-roller automatic straightening device for the wheelchair backrest as claimed in claim 1, wherein: the first transmission structure (5) comprises a first gear (51), a second gear (52), a chain (53) and a tensioning adjusting structure (54), the first gear (51) and the second gear (52) are connected through the chain (53), and the tensioning adjusting structure (54) is arranged on one side of the chain (53).

9. The high-precision multi-roller automatic straightening device for the wheelchair backrest as claimed in claim 8, wherein: tensioning adjusting structure (54) includes fixed block (541), connecting block (522), tight piece (523) and adjusting bolt (524), connecting block (522) set up on fixed block (541), tight piece (523) set up in connecting block (522) one end in the top, adjusting bolt (524) set up in fixed block (541) one end.