CN220787632U

CN220787632U - Pay-off rack for harness production with low rotation resistance

Info

Publication number: CN220787632U
Application number: CN202321529931.1U
Authority: CN
Inventors: 程安平; 程旭; 姚国银; 李万胜
Original assignee: Tongling Naidis Electric Appliance Co ltd
Current assignee: Tongling Naidis Electric Appliance Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-04-16
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses a pay-off rack for wire harness production with low rotation resistance, which relates to the technical field of wire harness production and comprises a pay-off rack and a limiting piece, wherein a plurality of movable plates and fixed plates are oppositely arranged on the pay-off rack, a screw rod lifting assembly capable of driving the movable plates to move up and down is arranged in an inner cavity of the pay-off rack, the limiting piece is used for being inserted into a hollow cavity of a wire cylinder and limiting the wire cylinder, rotary round seats are respectively arranged on the fixed plates and the movable plates which are oppositely arranged, the rotary round seats are respectively in rotary connection with the corresponding fixed plates and the corresponding movable plates, and the limiting piece is arranged on the rotary round seats on the fixed plates. The rotary round seat is additionally arranged and used for bearing the wire barrel, the wire barrel can be pulled by the wire on the wire barrel to carry out rotary paying-off operation together with the rotary round seat, the rotary resistance born by the wire barrel can be reduced through the arrangement of the rotary round seat, and the deformation and damage of the thinner wire bundle can be avoided.

Description

Pay-off rack for harness production with low rotation resistance

Technical Field

The utility model relates to the technical field of wire harness production, in particular to a pay-off rack with low rotation resistance for wire harness production.

Background

The wire harness provides service equipment for a certain load source group, along with the increase of functions of an automobile, the number of circuits and the electricity consumption on the automobile are obviously increased, so that the consumption of the wire harness is gradually increased, the wire harness is generally wound on a wire barrel in the production process, then the wire barrel is placed on a pay-off rack, the wire barrel can be conveniently rotated and paid off on the pay-off rack, and the wire harness is taken down from the wire barrel to be subjected to next operation and addition.

The Chinese patent number with the publication number of CN218024618U is searched and authorized, and particularly relates to a pay-off rack for wire harness production, which is used for limiting a wire barrel in a sleeved mode on a fixed plate in an inserting mode, and then the lower surface of a cover plate is matched with the upper end of the wire barrel, so that the wire barrel is positioned. However, the pay-off rack has some defects in use, for example, when the wire barrel is mounted on the pay-off rack, the lower end of the pay-off rack is in contact with the upper end face of the fixed plate, when the wire barrel is paid off, the wire barrel needs to be rotated (the wire barrel is rotated and paid off by pulling the wire cable), so that larger friction resistance exists between the wire barrel and the fixed plate, the weight of the wire barrel wound with a large number of wire harnesses is heavier, the friction resistance between the wire barrel and the fixed plate is larger due to the action of self gravity, and the wire harness is easy to deform and damage in the pulling process, so that the pay-off rack for producing the wire harness with low rotation resistance is provided to meet the requirements.

Disclosure of Invention

The utility model aims to provide a pay-off rack for pencil production of low rotation resistance for the line section of thick bamboo when unwrapping wire of placing on preventing the line frame among the prior art receives rotation resistance too big and makes thinner pencil lead to deformation damage's problem because of pulling resistance too big.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a low rotary resistance's pencil production is with pay off rack, includes pay off rack and locating part, be provided with a plurality of fly leaf and fixed plate relatively on the pay off rack, the inner chamber of pay off rack is provided with can drive the fly leaf carries out the lead screw lifting unit of up-and-down motion, the locating part be used for pegging graft with a section of thick bamboo cavity and right a section of thick bamboo is spacing, set up relatively the fixed plate with it is provided with rotatory circle seat to go up the homoenergetic, and a plurality of rotatory circle seat respectively with corresponding the fixed plate with corresponding the fly leaf rotates to be connected, the locating part install in rotatory circle seat upper end on the fixed plate.

Preferably, the rotary circular seat comprises a plurality of bearing discs which are respectively and rotatably connected with the fixed plate and the movable plate through a plurality of bearings, grooves matched with the bearing discs are formed in the fixed plate and the movable plate, annular grooves are formed in the grooves in the fixed plate, annular grooves are formed in the upper shrinking ends of the bearing discs and are installed with the movable plate, and a plurality of universal balls are arranged in the annular grooves.

Preferably, the limiting piece comprises a limiting rod, the limiting rods are not lower than three groups, the limiting rods are circumferentially distributed by taking the axle center of the bearing disc as the circle center, a round cavity is formed in the axle center of the bearing disc, the periphery of the round cavity is provided with a plurality of rectangular cavities respectively, the inner cavities of the rectangular cavities are all rotationally provided with screws, one ends of the screws are all located in the round cavities and fixedly connected with corresponding driven gears, the driven gears are all meshed with driving gears which are rotationally arranged in the round cavities, the mounting shafts of the driving gears penetrate through the bearing disc and the fixing plate and extend to the lower portion of the fixing plate, threaded pipes are sleeved on the screws, the threaded pipes are fixedly embedded in the inner cavities of the rectangular blocks, and the rectangular blocks are slidably arranged in the rectangular cavities, and the upper ends of the rectangular blocks are connected with the corresponding limiting rods.

Preferably, the upper ends of the plurality of limit rods are respectively provided with a guide rod which is inclined inwards.

In summary, the utility model has the technical effects and advantages that:

the utility model has reasonable structure; the rotary round seat is additionally arranged and used for bearing the wire barrel, the wire barrel can carry out rotary paying-off operation together with the rotary round seat through pulling the wire on the wire barrel, the rotary resistance born by the wire barrel can be reduced through the arrangement of the rotary round seat, and the deformation and damage of thinner wire bundles caused by overlarge pulling resistance can be avoided;

according to the utility model, the limiting piece comprises the screw rod, the limiting rod, the threaded pipe, the driven gears and the driving gears, the driving gears can drive the driven gears to rotate simultaneously by rotating the mounting shaft, so that the limiting rods can move inwards or outwards simultaneously, and the limiting piece can be adjusted according to the diameters of the hollow cavities, so that the limiting piece can limit the wire barrels of the hollow cavities with different diameters in an inserting way.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a pay-off rack; 2. a movable plate; 3. a fixing plate; 4. rotating the round seat; 41. a carrying disc; 42. a bearing; 43. a universal ball; 44. an annular groove; 5. a limiting piece; 51. a rectangular cavity; 52. a screw; 53. rectangular blocks; 54. a threaded tube; 55. a driven gear; 56. a circular cavity; 57. a drive gear; 58. a mounting shaft; 59. a limit rod; 510. a guide rod; 6. reinforcing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-3, a pay-off rack for low-rotation-resistance wire harness production comprises a pay-off rack 1 and a limiting piece 5, wherein a plurality of movable plates 2 and fixed plates 3 are oppositely arranged on the pay-off rack 1, a screw rod lifting assembly capable of driving the movable plates 2 to move up and down is arranged in an inner cavity of the pay-off rack 1, the limiting piece 5 is used for being spliced with a hollow cavity of a wire cylinder and limiting the wire cylinder, rotary round seats 4 are oppositely arranged on the fixed plates 3 and the movable plates 2 which are oppositely arranged, the rotary round seats 4 are respectively connected with the corresponding fixed plates 3 and the corresponding movable plates 2 in a rotating mode, and the limiting piece 5 is arranged at the upper ends of the rotary round seats 4 on the fixed plates 3.

The wire barrel is transversely limited by inserting the limiting piece into the hollow cavity of the wire barrel, the bottom of the wire barrel contacts with the upper end face of the rotary round seat 4 at the moment, the movable plate 2 is driven to move downwards by the screw rod lifting assembly to contact with the upper end face of the wire barrel, the wire barrel is longitudinally limited, when the wire is paid off, the wire barrel can be pulled to rotate and pay-off together with the rotary round seat 4, the rotary resistance of the wire barrel can be reduced by the arrangement of the rotary round seat 4, and deformation damage caused by overlarge pulling resistance of a thinner wire harness can be avoided.

It should be noted that the limiting piece 5 may also be disposed at the lower end of the rotary round seat 4 mounted on the movable plate 2, and is inserted into the wire barrel for limiting through the upper and lower limiting pieces 5.

As a preferred implementation manner in this embodiment, the plurality of rotary circular seats 4 include a plurality of bearing discs 41 rotatably connected with the corresponding fixed plate 3 and the corresponding movable plate 2 through a plurality of bearings 42, grooves matched with the bearing discs 41 are respectively arranged on the fixed plate 3 and the movable plate 2, annular grooves 44 are arranged in the grooves on the fixed plate 3, annular grooves 44 are arranged at the shrinking upper ends of the bearing discs 41 installed with the movable plate 2, a plurality of universal balls 43 are respectively arranged in the plurality of annular grooves 44, the bearing discs 41 are installed with the fixed plate 3 or the movable plate 2 through the bearings 42, and force sharing is performed by utilizing the arranged universal balls 43, so that the problems that the bearing is worn out due to excessive pressure accumulated on the inner ring of the bearings 42, the bearing bodies are elastically deformed to upload and the like, and the service life of the bearings 42 is affected are avoided, and the universal balls 43 and the fixed plate 3 or the movable plate 2 are rolling friction forces, so that the rotary resistance of the wire drum can be reduced.

It should be noted that, first, the annular grooves 44 can be arranged in a plurality of groups from inside to outside, and the diameters of the annular grooves 44 are gradually increased, each annular groove 44 is internally provided with a plurality of universal balls 43, the more the number of the universal balls 43 is arranged, the bearing capacity of a single universal ball 43 is reduced, stress corrosion caused by overlarge bearing capacity of the single universal ball 43 is avoided, and the service life of the universal ball 43 is prevented from being reduced; secondly, the bearing 42 and the groove are arranged in a sealing way, and the bearing 42 adopts a bearing with an automatic sealing structure, so that the corrosion of moisture to the universal ball 43 can be prevented; and a plurality of reinforcing plates 6 are fixed between the fixing plate 3 and the pay-off rack 1, so that the bearing strength of the fixing plate 3 can be enhanced, and bending damage caused by overlarge bearing capacity can be avoided.

As a preferred implementation manner in this embodiment, the limiting member 5 includes a limiting rod 59, the limiting rod 59 is not lower than three groups, and is circumferentially distributed around the axis of the bearing disc 41, the axis of the bearing disc 41 is provided with a circular cavity 56, the periphery of the circular cavity 56 is provided with a plurality of rectangular cavities 51 respectively, the inner cavities of the rectangular cavities 51 are all rotationally provided with screw rods 52, one ends of the screw rods 52 are all located in the circular cavity 56 and fixedly connected with corresponding driven gears 55, the driven gears 55 are all engaged with and connected with driving gears 57 rotationally arranged in the circular cavity 56, a mounting shaft 58 of the driving gears 57 penetrates through the bearing disc 41 and the fixed plate 3 and extends to the lower side of the fixed plate 3, threaded pipes 54 are sleeved on the screw rods 52, the threaded pipes 54 are fixedly embedded in the inner cavities of the rectangular blocks 53, the rectangular blocks 53 are slidably arranged in the rectangular cavities 51, and the upper ends of the rectangular blocks 53 are connected with the corresponding limiting rods 59.

When the limiting piece 5 is used, a plurality of limiting rods 59 can be inserted into the hollow cavity of the wire barrel to limit the wire barrel, meanwhile, the size of the hollow cavity of the limiting piece 5 can be used for adjusting the distance between the plurality of limiting rods 59, and the driving gear 57 can drive the plurality of driven gears 55 to rotate simultaneously by rotating the mounting shaft 58 during adjustment, so that the plurality of limiting rods 59 can move inwards or outwards simultaneously, the adjustment can be performed according to the diameter of the hollow cavity, and the limiting piece 5 can be used for limiting the wire barrels with different hollow cavities in an inserting mode.

In this embodiment, the upper ends of the plurality of limiting rods 59 are respectively provided with a guiding rod 510 inclined inwards, and the guiding rods 510 play a guiding role, so that the guiding and inserting of the wire barrel and the plurality of limiting rods 59 are facilitated.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a pay off rack is used in pencil production of low rotational resistance, includes pay off rack (1) and locating part (5), be provided with a plurality of fly leaf (2) and fixed plate (3) relatively on pay off rack (1), the inner chamber of pay off rack (1) is provided with can drive screw rod lifting unit that fly leaf (2) carried out the up-and-down motion, locating part (5) are used for pegging graft with a section of thick bamboo cavity and are right a section of thick bamboo carries out spacingly, its characterized in that: the fixed plate (3) and the movable plate (2) which are oppositely arranged are respectively provided with a rotary round seat (4), the rotary round seats (4) are respectively and rotatably connected with the fixed plate (3) and the movable plate (2), and the limiting piece (5) is arranged at the upper end of the rotary round seat (4) on the fixed plate (3).

2. The low-rotational-resistance pay-off stand for wire harness production according to claim 1, wherein: the rotary round seat (4) comprises a plurality of bearing discs (41) which are respectively and rotatably connected with the corresponding fixed plate (3) and the corresponding movable plate (2) through a plurality of bearings (42), grooves which are matched with the bearing discs (41) are formed in the fixed plate (3) and the movable plate (2), annular grooves (44) are formed in the grooves in the fixed plate (3), annular grooves (44) are formed in the upper ends of the bearing discs (41) mounted on the movable plate (2), and a plurality of universal balls (43) are arranged in the annular grooves (44).

3. The pay-off rack for wire harness production with low rotational resistance according to claim 2, wherein: the limiting piece (5) comprises a limiting rod (59), the limiting rod (59) is not lower than three groups, the limiting rods are all distributed circumferentially by taking the axis of the bearing disc (41) as the circle center, a circular cavity (56) is formed in the axis of the bearing disc (41), the periphery of the circular cavity (56) is provided with a plurality of rectangular cavities (51) circumferentially, the rectangular cavities (51) are all rotationally provided with threaded rods (52), one ends of the threaded rods (52) are all located in the circular cavities (56) and fixedly connected with corresponding driven gears (55), the driven gears (55) are all meshed with a driving gear (57) which is rotationally arranged in the circular cavities (56), a mounting shaft (58) of the driving gear (57) penetrates through the bearing disc (41) and the fixing plate (3) and extends to the lower portion of the fixing plate (3), threaded pipes (54) are sleeved on the threaded rods (52) in a threaded mode, the rectangular pipes (54) are embedded into the rectangular cavities (53) and are arranged in the rectangular cavities (53) correspondingly.

4. A low rotational resistance wire harness manufacturing pay-off stand according to claim 3, wherein: the upper ends of the limiting rods (59) are respectively provided with a guide rod (510) which is obliquely arranged inwards.