CN114346107A - Top cover skin tensioning device - Google Patents

Abstract

The invention provides a top cover skin tensioning device. The top cap covering rises and draws device includes: the supporting seat is provided with at least one horizontal guide rail; the first sliding seat is connected with the horizontal guide rail and can be arranged in a sliding manner along the length direction of the horizontal guide rail, and at least one vertical guide rail is arranged on the first sliding seat; the tensioning mechanism is one or more and is connected with the vertical guide rail, the tensioning mechanism can be arranged in a sliding mode along the length direction of the vertical guide rail, the tensioning mechanism is provided with a clamping part, and the clamping part can be arranged in a telescopic mode to perform tensioning operation on the top cover skin. By adopting the technical scheme, the function of the top cover skin expansion and pull device for adaptability adjustment in the horizontal and vertical directions can be realized, the working efficiency is improved, and meanwhile, the top cover skin expansion and pull device can be adapted to vehicle types to operate when the top cover skin of various vehicle types is processed.

Description

Top cover skin tensioning device

Technical Field

The invention relates to the technical field of vehicle skin devices, in particular to a top cover skin tensioning device.

Background

In the whole passenger car manufacturing process, the manufacturing quality of skin tensioning is particularly important in the manufacturing of a passenger car body framework, and the skin tensioning process is usually paid particular attention as a key process.

In the skin tensioning scheme in the prior art, the skin is tensioned and installed by means of moving the relative position of a screw rod and a nut or pulling the skin by a jack and the like. The skin tensioning scheme needs to be matched with a corresponding tool to support and fix the screw nut or the jack in an auxiliary mode. Therefore, when skins of different vehicle types are expanded and pulled, an operator needs to adjust the position of the tool matched with the screw nut or the jack again, and time and labor are wasted. Meanwhile, the stability of the traditional device is poor, and the interchangeability of the tool needs to be improved. Therefore, a tool or equipment which can be used for skin tensioning and installation and can match with the characteristics and the dimension of the vehicle type is needed to ensure the manufacturing precision and the construction convenience degree of tensioning and installation.

Disclosure of Invention

The invention mainly aims to provide a top cover skin tensioning device, which aims to solve the problem that the top cover skin tensioning device in the prior art is low in working efficiency.

In order to achieve the above object, according to one aspect of the present invention, there is provided a roof skin tensioning device, including: the supporting seat is provided with at least one horizontal guide rail; the first sliding seat is connected with the horizontal guide rail and can be arranged in a sliding manner along the length direction of the horizontal guide rail, and at least one vertical guide rail is arranged on the first sliding seat; the tensioning mechanism is one or more and is connected with the vertical guide rail, the tensioning mechanism can be arranged in a sliding mode along the length direction of the vertical guide rail, the tensioning mechanism is provided with a clamping part, and the clamping part can be arranged in a telescopic mode to perform tensioning operation on the top cover skin.

Further, the tension mechanism includes: the second sliding seat is connected with the vertical guide rail in a sliding manner; the first driving part is connected with the second sliding seat, the output end of the first driving part is provided with a clamping part, and the first driving part drives the clamping part to be movably arranged; and the second driving part is connected with the second sliding seat and the first sliding seat and can drive the second sliding seat to move along the length direction of the vertical guide rail so as to adjust the position height of the clamping part in the vertical direction.

Further, the second carriage includes: the substrate is connected with the second sliding seat; the supporting plate is connected with the base plate through at least one side plate, the supporting plate and the base plate are oppositely arranged, the first driving part is connected with at least one of the base plate and the supporting plate, and at least one guide pillar is arranged on the surface of one side, far away from the base plate, of the supporting plate; the connecting plate is connected with the output end of the first driving portion, a guide hole is formed in the connecting plate, the connecting plate is sleeved on the guide pillar through the guide hole, and the clamping portion is connected with the surface of the connecting plate, far away from one side of the supporting plate.

Further, the clamping portion includes: the connecting plate comprises a plate body, wherein a connecting screw is arranged on one side of the plate body facing the connecting plate, and a connecting hole matched with the connecting screw is formed in the connecting plate; the first clamping plate is connected with one side of the plate body, which is far away from the connecting plate; the second clamping plate is connected with one side of the plate body, which is far away from the connecting plate, the second clamping plate and the first clamping plate are oppositely arranged to form a clamping space for placing a top cover skin, and at least one group of locking holes are formed in the first clamping plate and the second clamping plate; the retaining member, the retaining member can be dismantled and wear to locate in the locking hole, and the retaining member is used for locking top cap covering.

Further, the tension mechanism includes: the framework ejector rod, the first end and the backup pad of framework ejector rod and the base plate in at least one be connected, the framework ejector rod is located one side of connecting plate, the second end of framework ejector rod is kept away from backup pad one side and is extended the setting, when carrying out the rise and draw operation to the top cap covering, framework ejector rod and top cap skeleton butt.

Further, the second driving part includes a screw assembly, and the screw assembly includes: the first end of the screw rod is connected with the base plate, the second end of the screw rod is provided with an operating hand wheel, the axis of the screw rod is arranged along the vertical direction, and the screw rod can drive the base plate to move along the axis direction of the screw rod by rotating the operating hand wheel.

Further, the screw rod assembly comprises a fixing nut, the fixing nut is connected with the substrate, the fixing nut is located between the substrate and the first sliding seat, and the screw rod is connected with the substrate through the fixing nut.

Furthermore, a limiting block is arranged on the first sliding seat and provided with a thread hole for the thread rod to penetrate through.

Further, the first driving part comprises an air cylinder, and the axis of the push rod of the air cylinder is perpendicular to the axis of the horizontal guide rail.

Further, the top cover skin tensioning device comprises: the supporting frame is arranged adjacent to the supporting seat and used for placing a top cover skin and a top cover framework to be expanded and pulled.

Use the technical scheme of this application, top cap skin rises and draws device to include the supporting seat, first slide, rise and draw the mechanism, through setting up the first slide of length direction slidable along horizontal guide rail, and set up vertical guide rail and be used for the installation at first slide and rise and draw the mechanism, can realize that top cap skin rises and draws the function that the device adaptability adjusted on level, vertical direction, work efficiency has been improved, top cap skin rises and draws the device to process various motorcycle type top cap skins simultaneously, all can adapt to the motorcycle type and carry out the operation. By adopting the technical scheme, the problem that the top cover skin tensioning device in the prior art is low in working efficiency is effectively solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a first embodiment of a roof skin tensioning device according to the invention;

FIG. 2 is a schematic structural view of a second embodiment of a top cover skin tensioning device according to the present invention;

FIG. 3 is a schematic structural view of a third embodiment of a top cover skin tensioning device according to the present invention;

FIG. 4 is a schematic structural view of a fourth embodiment of a top cover skin tensioning device according to the present invention;

FIG. 5 is a schematic structural view of a fifth embodiment of a top cover skin tensioning device according to the present invention;

FIG. 6 is a schematic structural view of a sixth embodiment of a top cover skin tensioning device according to the present invention;

FIG. 7 is a schematic structural view of a seventh embodiment of a top cover skin tensioning device according to the present invention;

FIG. 8 is a schematic structural view of an eighth embodiment of a top cover skin tensioning device according to the present invention;

FIG. 9 is a schematic structural view of a ninth embodiment of a top cover skin tensioning device according to the present invention;

FIG. 10 is a schematic structural view of a tenth embodiment of a top cover skin tensioning device according to the present invention;

FIG. 11 is a schematic structural view of an eleventh embodiment of a top cover skin tensioning device according to the present invention;

fig. 12 shows a schematic structural view of a first embodiment of the first carriage of the roof skin tensioning device according to the invention;

FIG. 13 is a schematic structural view of a twelfth embodiment of a top cover skin tensioning device according to the present invention;

fig. 14 shows a schematic structural view of a second embodiment of the first carriage of the roof skin tensioning device according to the invention;

FIG. 15 shows a schematic structural view of an embodiment of a lead screw of a top cover skin tensioning device according to the present invention;

FIG. 16 is a schematic structural view of a first embodiment of a tensioning mechanism of a top cover skin tensioning device according to the present invention;

FIG. 17 is a schematic structural view of a second embodiment of the tensioning mechanism of the top cover skin tensioning device according to the present invention;

FIG. 18 shows a schematic structural view of an embodiment of a web of a top cover skin tensioning device according to the invention;

FIG. 19 shows a schematic structural view of an embodiment of the clamp portion of the top cover skin tensioning device according to the present invention;

fig. 20 shows a schematic structural view of a thirteenth embodiment of the roof skin tensioning device according to the invention;

fig. 21 shows a schematic structural view of an embodiment of the skeleton ejector pin of the roof skin tensioning device according to the invention.

Wherein the figures include the following reference numerals:

10. a supporting seat; 11. a horizontal guide rail; 111. a horizontal guide rail limiting block; 112. a horizontal guide rail connecting screw;

20. a first slider; 21. a vertical guide rail; 211. limiting the vertical guide rail; 212. a vertical guide rail connecting screw; 22. a limiting block; 23. a slider body;

30. a tension mechanism; 31. a clamping portion; 311. a plate body; 312. connecting a screw rod; 313. a first splint; 314. a second splint; 315. a locking hole; 316. a locking member; 317. the clamping part is connected with a nut; 32. a second slide carriage; 321. a substrate; 322. a support plate; 323. a side plate; 324. a guide post; 325. a connecting plate; 3251. a first driving part connecting arm; 326. a guide sleeve; 3261. the guide sleeve is connected with a bolt; 327. a slider seat; 328. the sliding block seat is connected with a screw; 33. a first driving section; 331. a first driving part connecting shaft; 332. a first drive portion connecting pin; 34. a second driving section; 341. a screw rod; 342. fixing a nut; 343. operating a hand wheel; 35. a framework ejector rod; 351. a framework connecting screw;

40. a support frame.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 21, according to an embodiment of the present application, a roof skin tensioning device is provided.

The top cover skin tensioning device comprises a supporting seat 10, a first sliding seat 20 and a tensioning mechanism 30. The support base 10 is provided with at least one horizontal guide rail 11. The first carriage 20 is connected to the horizontal guide rail 11. The first carriage 20 is slidably disposed along the length direction of the horizontal guide rail 11. The first slide 20 is provided with at least one vertical guide rail 21; the number of the tension mechanisms 30 is one or more. Connected to the vertical guide rail 21. The tension mechanism 30 is slidably provided along the longitudinal direction of the vertical rail 21, and the tension mechanism 30 has a clamping portion 31. The clamping portion 31 is telescopically arranged. So as to perform tensioning operation on the top cover skin.

Use the technical scheme of this application, top cap skin rises and draws device to include supporting seat 10, first slide 20, rise and draw mechanism 30, through setting up the first slide 20 of length direction slidable along horizontal guide rail 11, and set up vertical guide rail and be used for the installation at first slide 20 and rise and draw the mechanism, can realize that top cap skin rises and draws the device at the level, the function of adaptability adjustment in the vertical direction, work efficiency is improved, simultaneously top cap skin rises and draws device processing various motorcycle type top cap skins man-hour, all can adapt to the motorcycle type and carry out the operation. By adopting the technical scheme, the problem of low working efficiency of the top cover skin tensioning device in the prior art is effectively solved

The horizontal guide 11 is coupled to the screw hole of the support base 10 using a horizontal guide coupling screw 112. The horizontal guide rail limiting block 111 is disposed at two ends of the horizontal guide rail 11. The horizontal guide rail 11 is limited and connected in the screw hole of the supporting seat 10 through the horizontal guide rail connecting screw 112. The horizontal guide rail 11 functions to cooperate with the slider mount 327 to horizontally move the slider mount 327 along the length of the horizontal guide rail 11. The horizontal guide rail stopper 111 is used for preventing the slider seat 327 from derailing by making the slider seat 327 collide with the horizontal guide rail 11 when the slider seat 327 moves to the extreme positions at both ends along the horizontal guide rail 11.

Further, the tension mechanism 30 includes a second slide 32, a first driving unit 33, and a second driving unit 34. The second carriage 32 is slidably connected to the vertical rail 21. The first driving unit 33 is connected to the second carriage 32. The output end of the first driving part 33 is provided with a clamping part 31. The first driving portion 33 drives the gripping portion 31 to be movably disposed. The second driving unit 34 is connected to the second carriage 32 and the first carriage 20. The second driving portion 34 may drive the second carriage 32 to move along the length direction of the vertical rail 21 to adjust the position height of the clamping portion 31 in the vertical direction.

The tension mechanism 30 includes a slider seat 327, a frame rod 35, a clamping portion 31, a frame connecting screw 351, a clamping portion connecting nut 317, and the like. The frame post rod 35 is fixed in the threaded hole of the support plate 322 by using a frame connecting screw 351. The connecting screw 312 in the clamping portion 31 is fixed in the circular hole of the connecting plate 325 by the clamping portion connecting nut 317, and the clamping portion 31 can rotate and adjust around the connecting screw 312. Locking members 316 are fixedly mounted in the first clamping plates 313 and the second clamping plates 314 for connecting the top cover skin stock with the clamping portions 31.

The tension mechanism 30 further includes a connection plate 325, a guide post 324, a first driving portion 33, a guide sleeve 326, a side plate 323, a lead screw 341, a slider seat 327, a slider seat connection screw 328, a guide sleeve connection bolt 3261, a first driving portion connection shaft 331, a first driving portion connection pin 332, a vertical guide rail limit 211, a vertical guide rail connection screw 212, a slider seat 327, and a slider seat connection screw 328.

Specifically, the second carriage 32 includes a base plate 321, a support plate 322, and a connection plate 325. The substrate 321 is connected to the second slider 32. The support plate 322 is connected to the base plate 321 by at least one side plate 323. The support plate 322 is disposed opposite to the base plate 321. The first driving part 33 is connected to at least one of the base plate 321 and the support plate 322. The support plate 322 has at least one guide post 324 disposed on a surface thereof remote from the base plate 321. The connection plate 325 is connected to an output end of the first driving unit 33. The connection plate 325 is provided with a guide hole. The connection plate 325 is sleeved on the guide post 324 through the guide hole. The clamping portion 31 is connected to a surface of the connecting plate 325 on a side away from the support plate 322.

The connecting plate 325 is connected with the guide pillar 324 by welding. The guide sleeve 326 is fixedly connected to the support plate 322 by a guide sleeve connecting bolt 3261. The assembly formed by the connecting plate 325 and the guide column 324 and the assembly formed by the guide sleeve 326, the support plate 322, the guide sleeve 326 and the guide sleeve connecting bolt 3261 can be matched through the guide column 324 and the guide sleeve 326, and the two have the function of longitudinal extension and contraction.

The slider body 23 and the slider seat 327 are connected and fastened by a slider seat connection screw 328. The sliding base body 23, the vertical guide rail limit 211 and the vertical guide rail 21 are connected and fastened by a vertical guide rail connecting screw 212. The side plate 323, the sliding block seat 327 and the sliding block seat connecting screw 328 form an assembly which is matched with the sliding block body 23, the vertical guide rail limit 211, the vertical guide rail 21 and the vertical guide rail connecting screw 212 through the connection of the sliding block seat and the guide rail, so that the sliding block seat and the guide rail form a function of vertically moving up and down.

The sliding block seat 327 and the sliding block body 23 are fixedly locked and connected by a sliding block seat connecting screw 328 to form a matching structure of the sliding block body 23 between the sliding block seat 327 and the horizontal guide rail 11, so that the sliding block seat 327 drives the expansion mechanism 30 to move horizontally on the horizontal guide rail 11.

Preferably, the base plate 321, the support plate 322, and the side plate 323 are welded to be integrally provided. The base plate 321 functions to provide support for the support plate 322 and the side plate 323 while leaving a space for installation of the first driving part 33.

Alternatively, the fixing nut 342 is configured in a square steel plate shape and is connected to the base plate 321 by welding. The middle part of the fixing nut 342 is provided with a through hole structure, the through hole structure is used for limiting the lower end of the screw rod 341, and can be matched with the screw rod 341 to adjust the rotation of the screw rod 341. The threaded spindle 341 is rotatably disposed in a through hole of the fixing nut 342.

The support plate 322 has a screw hole and a relief hole for mounting the guide sleeve 326, and also has a screw hole and a relief hole for mounting the first driving part 33. The supporting plate 322 is also provided with a threaded hole for mounting the framework top rod 35.

In an alternative embodiment, the base 321 is configured with threaded holes for mounting four slider seats 327, so as to mount the slider seats 327 with the base 321.

The first slider 20 is composed of a stopper 22 and a slider body 23, which are welded together.

The limiting block 22 is made of a square steel plate and is connected with the sliding seat body 23 in a welding mode. The middle part of the limiting block 22 is provided with a threaded hole structure which can be matched with the screw rod 341. By adjusting the rotation of the screw 341, the limiting block 22 and the screw 341 have relative axial movement. The fixing nut 342, the lead screw 341 and the limiting block 22 are matched as follows: the fixing nut 342 is connected with the screw rod 341, the middle part of the limiting block 22 is provided with a threaded hole structure, when the screw rod 341 rotates, the external thread of the screw rod 341 is matched with the internal thread of the limiting block 22 so that the screw rod 341 and the limiting block 22 generate axial relative movement, and the screw rod 341 drives the fixing nut 342 to move in the axial direction of the screw rod 341.

The slider body 23 is configured to have a screw hole for mounting the vertical rail 21 in the front surface and a screw hole for mounting the slider mount 327 in the rear surface.

The connecting plate 325 is composed of a connecting plate body and a first driving portion connecting arm 3251, which are connected by welding. The connecting plate body is rectangular, and a round hole for installing the clamping part 31 is formed in the middle of the connecting plate body. Two ends of the connecting plate body are provided with double holes for penetrating the guide posts 324, and the guide posts 324 and the connecting plate body can be welded into a whole after penetrating.

The first driving portion connecting arm 3251 has a rectangular shape, and a non-welded end of the first driving portion connecting arm 3251 forms an arc chamfer. The set of connecting structures is composed of two first driving portion connecting arms 3251, and the 3251 is provided with a circular hole and the two circular holes are concentrically arranged. The circular hole is connected to the telescopic rod of the first driving part 33, so that the connecting plate 325 can be moved by the telescopic rod of the first driving part 33.

In an alternative embodiment, clamping portion 31 includes a plate body 311, a second clamping plate 314, and a locking member 316. A connection screw 312 is provided on a side of the plate body 311 facing the connection plate 325. The connecting plate 325 is provided with a connecting hole matched with the connecting screw 312. The first clamping plate 313 and the first clamping plate 313 are connected with one side of the plate body 311 far away from the connecting plate 325. The second clamping plate 314 is connected to a side of the plate body 311 away from the connecting plate 325. The second clamp plate 314 is disposed opposite to the first clamp plate 313 to form a clamping space for placing the roof skin. The first clamping plate 313 and the second clamping plate 314 are provided with at least one set of locking holes 315. The locking member 316 is detachably arranged in the locking hole 315 in a penetrating way, and the locking member 316 is used for locking the top cover skin.

The clamping portion 31 is composed of a plate body 311, a connecting screw 312, a first clamping plate 313 and a second clamping plate 314, which are connected by welding. The connecting screw 312 is a long shaft structure, one end of the screw is welded to the plate body 311, and the other end of the screw is fixed to the connecting plate 325 by the clamping portion connecting nut 317. The plate 311 is used to support and fix the connecting screw 312 to the first clamping plate 313 and the second clamping plate 314.

Further, the first clamping plate 313 and the second clamping plate 314 are rectangular, and the non-welding ends of the first clamping plate and the second clamping plate are rounded and chamfered. The clamping plate structure is composed of a first clamping plate 313 and a second clamping plate 314. All open locking hole 315 and the concentric placement of locking hole 315 on first splint 313, the second splint 314, through retaining member 316 and first splint 313, second splint 314, top cap skin through connection in proper order, reach the fixed effect of clamping part 31 and top cap skin.

Preferably, the tensioning mechanism 30 includes a frame ram 35. The first end of the frame post 35 is connected to at least one of the support plate 322 and the base plate 321. The frame post rod 35 is positioned at one side of the connecting plate 325. The second end of the frame post rod 35 is extended away from one side of the supporting plate 322. When the top cover skin is subjected to expansion and pulling operation, the framework ejector rod 35 is abutted against the top cover framework.

The framework ejector rod 35 is set to be an L-shaped structural part, the lower end of the framework ejector rod is provided with a stepped counter bore and a unthreaded hole, and the framework ejector rod 35 is fixedly connected with the connecting plate 325 through a framework connecting screw 351.

The first driving portion 33 is provided as a cylinder. When telescopic cylinder shrink, drive connecting plate 325, clamping part 31 in proper order and remove, when the top cap covering is tensile simultaneously, for making top cap skeleton keep the position static, set up skeleton ejector pin 35 with the top cap skeleton stopping, can reach the purpose of the relative top cap skeleton displacement of top cap covering.

Further, the second driving part 34 includes a screw assembly. The lead screw assembly includes a lead screw 341. The first end of the screw rod 341 is connected with the base plate 321, the second end of the screw rod 341 is provided with an operating hand wheel 343, the axis of the screw rod 341 is arranged along the vertical direction, and the screw rod 341 drives the base plate 321 to move along the axis direction of the screw rod 341 by rotating the operating hand wheel 343. The screw 341 is welded to the operating hand wheel 343 as a single unit. The operation hand wheel 343 is used for manually twisting the operation hand wheel 343 to rotate in the circumferential direction when the tension mechanism 30 needs to be adjusted in the vertical direction. The screw 341 is a long shaft with external threads, and can be matched with the fixed nut 342 to form a screw nut structure, and the nut can be axially displaced by the rotation of the screw.

Further, the lead screw assembly includes a fixing nut 342. The fixing nut 342 is connected to the base plate 321. The fixing nut 342 is located between the base plate 321 and the first slider 20. The screw 341 is connected to the base 321 by a fixing nut 342. The first slider 20 is provided with a stopper 22. The limiting block 22 is provided with a screw hole for the screw rod 341 to pass through.

The first driving unit 33 includes a cylinder. The axis of the push rod of the cylinder is arranged perpendicular to the axis of the horizontal guide rail 11. This arrangement makes the first driving portion 33 low in cost and high in movement accuracy.

Further, the top cover skin tensioning device comprises a support frame 40. The support bracket 40 is disposed adjacent to the support seat 10. The support frame 40 is used for placing a top cover skin and a top cover skeleton to be expanded and pulled. The support frame 40 functions as a support and a positioning.

In the technical scheme of this application, the basic operating principle of top cap covering tension device is: the horizontal adjustment of the tension device is achieved by arranging the horizontal guide rail 11 and the sliding block seat structure. The vertical height adjustment of the tension device is achieved by arranging the vertical guide rail 21 and the slider seat structure. Through arranging the screw nut structure, the purpose that the tension device can be mechanically adjusted and automatically fixed when the vertical height of the tension device is adjusted is achieved. The purpose of longitudinal telescopic adjustment of the tension device is achieved by arranging the guide post 324 and the guide sleeve 326. Through the combination of the four structures, the function that the top cover skin expansion device can be debugged to adapt to vehicle types to operate when being used for processing the top cover skins of various vehicle types is achieved.

In an exemplary embodiment, the components of the top cover skin tensioning device may be manufactured using band saw equipment to blank the profile stock. And cutting and forming the special-shaped parts of the plate by adopting a laser cutting machine and linear cutting equipment. And drilling through holes, counter bores and threaded bottom holes on the parts to be punched by adopting bench drill or rocker arm drill equipment. And (3) machining and forming the variable-diameter shaft parts by adopting a lathe or a numerical control lathe device. And welding the base lifting and the mounting support needing to be welded through carbon dioxide arc welding. And the requirement of flatness is ensured by using equipment such as a milling machine, a machining center and the like for the position for installing the guide rail. After the parts are machined and formed, checking the appearance size, the aperture size, the burr-free degree, the coaxiality and the like according to the requirements of a design drawing, and performing a to-be-installed state after the parts are qualified.

In one exemplary embodiment, the assembly and commissioning process of the parts requires the following: and (4) mounting and molding the machined part by using a standard part required by a design drawing. After the assembly is finished, parts and components needing to move are debugged, and the state of flexible movement is achieved. At this point, the user can enter a specific use stage. Delivering the top cover skin to a top cover skin expansion and pulling operator to implement specific operation.

By adopting the technical scheme, the problems that in the prior art, the top skin is high in tension labor intensity, time and labor are wasted when the vehicle model is switched and debugged, the stability of the tool is poor, and the shoulder skin is difficult to fix in tension are solved. Meanwhile, necessary conditions are further provided for tool and equipment standardization.

The top cover skin tensioning device is implemented as follows:

firstly, manually pushing a first sliding seat 20 to horizontally move by combining the height size of a roof framework of the vehicle type to be processed and the position size of a roof skin; the screw 341 is manually rotated to drive the first slide seat 20 to vertically move up and down. The clamping part 31 of the novel expanding and pulling mechanism is adjusted to correspond to the position of the skin to be processed.

And secondly, placing the roof framework of the vehicle to be processed in the support frame 40, and adjusting the position of the roof framework to ensure that the longitudinal center of the roof framework, the longitudinal center of the support frame 40 and the longitudinal center of the support seat 10 coincide.

Thirdly, finely adjusting the position of the first sliding seat 20 to ensure that the framework mandril 35 is abutted against the framework of the front section of the top cover framework; the positions of the connecting screw 312 and the clamping part connecting nut 317 of the clamping part 31 are finely adjusted, so that the clamping part 31 longitudinally extends and contracts, and the opening of the clamping part corresponds to the position of the top cover skin to be processed.

Fourthly, a roof covering belonging to the vehicle type is installed on the roof framework. The non-expansion end of the skin is fixedly connected with the top cover framework in a welding mode. The skin tension end is disposed in the clamp portion 31 opening.

Fifth, the open skin portion is clamped by the clamp portion 31 at the top cover skin position, holes are bored along the clamp portion 31, and the locking member 316 is installed to connect the top cover skin with the clamp portion 31.

And sixthly, pressing a pneumatic start key button, and enabling the air path to be conducted to enable the telescopic cylinder to contract, so that the function of expanding and pulling the skin is achieved. And then, carrying out subsequent connection work of the skin and the framework, removing skin excess materials after the operation is finished, and pressing a pneumatic closing key button to reset the cylinder.

Alternatively, the top cover skin tensioning device is not limited to the structure in which the two sets of first sliding seats 20 are arranged side by side in the above embodiment, and only one side shoulder skin is processed at the same time. Also can set up to four sets of first slide 20 structures, process both sides shoulder covering simultaneously, work efficiency promotes, and the processing beat shortens. Or six sets of the first sliding seats 20 are arranged to simultaneously work the shoulder skin and the middle skin.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a top cap covering tensioning equipment which characterized in that includes:

the supporting seat (10), the supporting seat (10) is provided with at least one horizontal guide rail (11);

the first sliding seat (20), the first sliding seat (20) is connected with the horizontal guide rail (11), the first sliding seat (20) is arranged in a sliding manner along the length direction of the horizontal guide rail (11), and at least one vertical guide rail (21) is arranged on the first sliding seat (20);

the lifting mechanism (30) comprises one or more lifting mechanisms (30) and is connected with the vertical guide rail (21), the lifting mechanisms (30) are arranged in a sliding mode along the length direction of the vertical guide rail (21), each lifting mechanism (30) is provided with a clamping portion (31), and the clamping portions (31) are arranged in a telescopic mode so as to lift the top cover skin.

2. The top cover skin tensioning arrangement according to claim 1, wherein the tensioning mechanism (30) comprises:

a second carriage (32), said second carriage (32) being slidably connected with said vertical rail (21);

the first driving part (33), the first driving part (33) is connected with the second sliding seat (32), the clamping part (31) is arranged at the output end of the first driving part (33), and the first driving part (33) drives the clamping part (31) to be movably arranged;

and the second driving part (34), the second driving part (34) is connected with the second sliding seat (32) and the first sliding seat (20), and the second driving part (34) can drive the second sliding seat (32) to move along the length direction of the vertical guide rail (21) so as to adjust the position height of the clamping part (31) in the vertical direction.

3. The top cover skin tensioning device according to claim 2, wherein the second carriage (32) comprises:

a base plate (321), the base plate (321) being connected with the vertical guide rail (21);

the supporting plate (322) is connected with the base plate (321) through at least one side plate (323), the supporting plate (322) is arranged opposite to the base plate (321), the first driving part (33) is connected with at least one of the base plate (321) and the supporting plate (322), and at least one guide post (324) is arranged on the surface of one side of the supporting plate (322) far away from the base plate (321);

the connecting plate (325) is connected with the output end of the first driving part (33), a guide hole is formed in the connecting plate (325), the connecting plate (325) is sleeved on the guide post (324) through the guide hole, and the clamping part (31) is connected with the surface of the connecting plate (325) on the side far away from the supporting plate (322).

4. Roof skin tensioning device according to claim 3, characterized in that the clamping portion (31) comprises:

the connecting plate comprises a plate body (311), wherein a connecting screw rod (312) is arranged on one side, facing the connecting plate (325), of the plate body (311), and a connecting hole matched with the connecting screw rod (312) is formed in the connecting plate (325);

a first clamping plate (313), wherein the first clamping plate (313) is connected with one side of the plate body (311) far away from the connecting plate (325);

a second clamping plate (314), wherein the second clamping plate (314) is connected with one side of the plate body (311) far away from the connecting plate (325), the second clamping plate (314) is arranged opposite to the first clamping plate (313) to form a clamping space for placing a top cover skin, and at least one group of locking holes (315) are arranged on the first clamping plate (313) and the second clamping plate (314);

the locking piece (316), the locking piece (316) can be dismantled and worn to locate in locking hole (315), locking piece (316) are used for locking top cap skin.

5. The top cover skin tensioning arrangement according to claim 3, wherein the tensioning mechanism (30) comprises:

the first end of skeleton ejector pin (35) with backup pad (322) with at least one in base plate (321) is connected, skeleton ejector pin (35) are located one side of connecting plate (325), the second end of skeleton ejector pin (35) is kept away from backup pad (322) one side extends the setting, when carrying out the operation that draws that rises to the top cap skin, skeleton ejector pin (35) and top cap skeleton butt.

6. The top cover skin tensioning device according to claim 3, wherein the second drive portion (34) comprises a lead screw assembly comprising:

the first end of the screw rod (341) is connected with the base plate (321), the second end of the screw rod (341) is provided with an operating hand wheel (343), the axis of the screw rod (341) is arranged along the vertical direction, and the screw rod (321) is driven to move along the axis direction of the screw rod (341) by operating the operating hand wheel (343) to rotate.

7. The top cover skin tensioning device according to claim 6, wherein the lead screw assembly comprises a fixing nut (342), the fixing nut (342) is connected with the base plate (321), the fixing nut (342) is located between the base plate (321) and the first sliding base (20), and the lead screw (341) is connected with the base plate (321) through the fixing nut (342).

8. The roof skin tensioning device according to claim 6, characterized in that a limiting block (22) is arranged on the first sliding seat (20), and the limiting block (22) is provided with a screw hole for the screw rod (341) to pass through.

9. The roof skin tensioning device according to claim 2, characterized in that the first drive section (33) comprises a pneumatic cylinder, the axis of the push rod of which is arranged perpendicularly to the axis of the horizontal rail (11).

10. The top cover skin tensioning device of claim 1, wherein the top cover skin tensioning device comprises:

the supporting frame (40), the supporting frame (40) with the supporting seat (10) sets up adjacently, the supporting frame (40) is used for placing the top cap skin and the top cap skeleton of treating the expansion and draw.

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