CN118143627B - Processing technology of inner and outer tubes for automobile electric door stay bars - Google Patents
Processing technology of inner and outer tubes for automobile electric door stay bars Download PDFInfo
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- CN118143627B CN118143627B CN202410567117.1A CN202410567117A CN118143627B CN 118143627 B CN118143627 B CN 118143627B CN 202410567117 A CN202410567117 A CN 202410567117A CN 118143627 B CN118143627 B CN 118143627B
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- 238000005516 engineering process Methods 0.000 title abstract description 7
- 210000001503 joint Anatomy 0.000 claims abstract description 88
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 238000004080 punching Methods 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 4
- 239000010935 stainless steel Substances 0.000 claims abstract description 4
- 238000003032 molecular docking Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 17
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 238000003754 machining Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses an inner and outer tube processing technology for an automobile electric door stay bar, which comprises the steps of processing a stay bar inner tube, processing a stay bar outer tube, and assembling the stay bar inner tube and the stay bar outer tube in a butt joint way, wherein the inner and outer surfaces of a stainless steel tube are polished by the processing of the stay bar inner tube and the processing of the stay bar outer tube. According to the invention, an automobile electric door stay bar sample is horizontally clamped by a calibration clamp, the positions of rollers and carrier rollers at the tops of a first pipeline butt joint assembly and a second pipeline butt joint assembly are regulated to obtain an accurate butt joint mechanism, then, two groups of conveying wheel sets are aligned to convey a stay bar inner pipe and a stay bar outer pipe and then fall down from a blanking port one by one, the two groups of conveying wheel sets fall on the first pipeline butt joint assembly and the second pipeline butt joint assembly and then keep coaxial distribution, an output end of a cylinder pushes a second push block to match with the extrusion force of the first push block, the second push block is processed into an assembly identical with the electric door stay bar sample, and then, the assembly is taken down to continue automatic operation, so that the working efficiency is greatly improved, a workpiece is not damaged in punching processing, and the quality of the assembly is high.
Description
Technical Field
The invention relates to the technical field of telescopic rod processing, in particular to an inner and outer tube processing technology for an automobile electric door stay rod.
Background
The automatic opening and closing door of the automobile electric tail gate requires an electric door stay bar, and the structure is of a telescopic rod structure, such as a pneumatic cylinder rod and an electric cylinder rod. The electric door stay bar is generally provided with one end mounted on the vehicle body through the matching of the ball head and the ball socket assembly, and the other end is mounted on the tail door, and the expansion and the closing of the tail door are realized through the expansion and the contraction of the electric door stay bar.
In the process of processing the electric door stay rod, the inner pipe and the outer pipe are required to be in butt joint combination, and the outer pipe is tightly sleeved outside the inner pipe. In the prior art, the machining process generally needs to be manually aligned and then stamped and butted, so that the efficiency is low, errors are easy to occur in the butting process, namely, the axes of the outer tube and the inner tube cannot be collinear, and workpieces are damaged (such as deformation and bursting) when the outer tube and the inner tube are subjected to pressure application, or gaps appear between the outer tube and the inner tube after assembly is completed, the air tightness is poor, and the normal use of the electric door stay bar is affected.
Therefore, it is necessary to solve the above problems by the inner and outer tube processing technique for the automobile electric door stay.
Disclosure of Invention
The invention aims to provide an inner and outer tube processing technology for an automobile electric door stay rod, so as to solve the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: the inner and outer tube processing technology for the automobile electric door stay bar comprises the steps of processing a stay bar inner tube, processing a stay bar outer tube, and butt-joint and assembly of the stay bar inner tube and the stay bar outer tube, wherein the inner and outer surfaces of a stainless steel tube are polished by the processing of the stay bar inner tube and the processing of the stay bar outer tube, a screw rod section is integrally arranged at two ends of the stay bar inner tube, a piston piece is mounted at the outer side of the screw rod section, the piston piece is attached to the inner wall of the stay bar outer tube and is in sliding connection with the inner wall of the stay bar outer tube, and the butt-joint and assembly of the stay bar inner tube and the stay bar outer tube are processed on automatic butt-joint equipment;
The automatic butt joint equipment comprises a butt joint frame, a first pipeline butt joint assembly and a second pipeline butt joint assembly are arranged at the top of the butt joint frame, the first pipeline butt joint assembly and the second pipeline butt joint assembly are respectively used for supporting a supporting rod outer pipe and a supporting rod inner pipe, the axes of the supporting rod outer pipe and the supporting rod inner pipe are arranged in a collinear mode, pipeline conveying mechanisms are arranged on one side of the first pipeline butt joint assembly and one side of the second pipeline butt joint assembly, the two groups of pipeline conveying mechanisms are respectively used for synchronously conveying the supporting rod outer pipe and the supporting rod inner pipe, a stamping mechanism is arranged on one side of the top of the butt joint frame, the stamping mechanism is used for pushing the supporting rod inner pipe to be inserted into the inner side of the supporting rod outer pipe, a case is arranged on one side of the top of the butt joint frame, far away from the stamping mechanism, a calibration clamp is arranged at the position of the positive relative position of the case and the stamping mechanism, the calibration clamp is used for clamping an electric door supporting rod sample, the positions of the first pipeline butt joint assembly and the second pipeline butt joint assembly are matched with the electric door supporting rod sample, a first electric pushing rod is arranged on the inner side of the case, a first electric pushing rod output end penetrates through the side wall of the case and is fixedly connected with a first pushing block, the first pushing output end is used for pushing the first pushing rod, the first pushing rod output end is used for pushing the first pushing rod inner pipe to be used for pushing the supporting rod to be used for supporting rod to be placed on one side of the supporting rod assembly, and is arranged on one side of the supporting rod assembly.
As the preferred scheme of the invention, the first pipeline butt joint assembly and the second pipeline butt joint assembly both comprise an adjusting base, the top of the butt joint rack is fixedly provided with a rail frame which is parallel to the upper surface of the adjusting base, the rail frame penetrates through the adjusting base and is in sliding connection with a penetrating hole, the adjusting base and the rail frame are limited and fixed through screws, the top end of the adjusting base is in sliding connection with a moving plate through a sliding rail, one side of the adjusting base is fixedly connected with a second electric push rod, an output shaft of the second electric push rod is in transmission connection with the moving plate, the top end of the moving plate is jointly in transmission connection with a mounting plate through a plurality of third electric push rods, two sides of the mounting plate are fixedly connected with frame plates, the inner side of the frame plate is in sliding connection with two symmetrically distributed 匚 plates, the inner side top ends of the 匚 plates are in rotation connection with idler wheels, a supporting roller is connected between the two opposite idler wheels, a supporting rod outer pipe and an inner pipe of the supporting rod are respectively correspondingly placed between two groups of the idler wheels, a first bidirectional screw rod is in rotation connection with the two 匚 plates through bearings, and is in threaded connection with the penetrating hole.
As the preferable scheme of the invention, the calibration fixture comprises an annular frame, the annular frame is fixed on the outer wall of the chassis through bolts, one side of the annular frame is rotationally connected with a convex ring, a plurality of notches distributed in an annular array are formed in the outer side of the convex ring, a first limit sleeve is rotationally connected in the middle of each notch, a cantilever plate is slidably connected in the first limit sleeve, one end of the cantilever plate is rotationally connected with a pressing wheel, the other end of the cantilever plate is rotationally connected on the annular frame through foundation piles, a third limit sleeve is rotationally connected on the side wall of the annular frame, the outer side of the convex ring is fixedly connected with a convex plate, a second limit sleeve is hinged on the outer side of the convex plate, a threaded rod is in threaded connection with the inner side of the second limit sleeve, the end of the threaded rod is rotationally connected with the third limit sleeve through a bearing, one side of the third limit sleeve is fixedly connected with a first driving motor, and the output shaft of the first driving motor is in transmission connection with the threaded rod.
As the preferable scheme of the invention, the stamping mechanism comprises an air cylinder, the output shaft of the air cylinder is connected with a second push block in a transmission way, the first push block and the second push block are coaxially distributed, the outer side of the butt joint frame is fixedly connected with a pneumatic mechanism, the air inlet and the air outlet of the air cylinder are respectively connected with two air holes of the pneumatic mechanism, and the pneumatic mechanism provides power for the air cylinder.
As a preferred scheme of the invention, the pipeline conveying mechanism comprises a bearing frame, the bearing frame is fixed on a butting frame through screws, a conveying wheel set is arranged on the top end rolling frame of the bearing frame, a feeding box is arranged on the side part of the butting frame, a discharging opening is arranged at the bottom end of the feeding box, the discharging opening is butted with the top end position of the conveying wheel set, an arc plate is fixedly connected to one side of the feeding box, the arc plate is distributed around the conveying wheel set, a feeding plate is hinged to the bottom end of the arc plate and used for conveying a stay bar outer pipe or a stay bar inner pipe to a first pipeline butting assembly and a second pipeline butting assembly, and the arc plate and the feeding plate are elastically supported through torsion springs;
The axle center of the two conveying wheel sets is synchronously driven by a coupler and a short axle, a second driving motor is fixedly connected in the case, and an output shaft of the second driving motor is in transmission connection with one of the conveying wheel sets by a long axle and the coupler.
As a preferable scheme of the invention, the conveying wheel set comprises a driving wheel, a conical table column is inserted at the axle center of the driving wheel, a plurality of clamping grooves distributed in an annular array are formed in the outer side of the driving wheel, clamping pipe fittings are arranged in the clamping grooves and used for being attached to and conveying the outer pipe of the stay rod or the inner pipe of the stay rod, and the length of the driving wheel is equal to that of the clamping pipe fittings.
As a preferable scheme of the invention, the driving wheel is formed by splicing at least two combined sections, a plurality of through holes which are correspondingly distributed are formed in each combined section, and a combined rod is inserted into the corresponding through holes;
The cutting surfaces of the combined sections are opposite, first grooves are formed in the opposite cutting surfaces of the combined sections, second grooves are formed in two sides of the first grooves in an inclined mode, the bottom ends of the first grooves penetrate through inner side holes of the driving wheels, the second grooves penetrate through the outer sides of the combined sections, hook connecting holes are formed in the positions, corresponding to the second grooves, of the surfaces of the feeding plates, a linear sliding rod is connected in the first grooves in a sliding mode, a first spring is arranged between the end portions of the linear sliding rod and the inner side end portions of the first grooves in a sliding mode, T-shaped sliding rods are connected in the second grooves in a sliding mode, second springs are sleeved on the outer sides of the T-shaped sliding rods, one ends, close to the T-shaped sliding rods, of the linear sliding rods are arranged in a conical mode, and the conical end portions of the linear sliding rods press the T-shaped sliding rods and enable the end portions of the T-shaped sliding rods to be inserted into the hook connecting holes.
As the preferable scheme of the invention, the section of the feeding box is in a funnel shape, the inner side of the feeding box is connected with two limiting plates which are symmetrically distributed in a sliding manner, a second bidirectional screw rod is rotatably connected between one side and penetrating two ends of the feeding box, and two sides of the second bidirectional screw rod respectively penetrate through the limiting plates and are in threaded connection with the penetrating holes.
As a preferable scheme of the invention, a blower is arranged in the case, a vent is arranged on the side wall of the case at a position corresponding to a blowing opening of the blower, and the vent is arranged corresponding to the conveying wheel set.
The specific steps of butt joint assembly of the stay bar inner pipe and the stay bar outer pipe by using the automatic butt joint equipment are as follows:
S1: referring to an automobile electric door stay bar sample, horizontally clamping by matching with a calibration clamp, then adjusting the positions of a first pipeline butt joint assembly and a second pipeline butt joint assembly to be matched with the electric door stay bar sample to obtain an accurate butt joint mechanism, then starting a first driving motor to enable a plurality of pinch rollers to be outwards unfolded, pushing a first pushing block by the output end of a first electric push rod, pushing the electric door stay bar sample out, and staying at a position flush with the side wall of a convex ring;
S2: according to actual processing requirements, clamping pipe fittings with corresponding sizes are selected corresponding to the outer diameters of the piston piece and the outer pipe of the stay bar, the clamping pipe fittings are arranged on two corresponding groups of conveying wheel sets, and the distance between the two limiting plates is adjusted according to the lengths of the inner pipe of the stay bar and the outer pipe of the stay bar, so that the inner pipe of the stay bar and the outer pipe of the stay bar are aligned and then fall from a blanking hole one by one;
s3: starting a second motor to enable two groups of conveying wheel sets to synchronously convey the inner stay bar pipe and the outer stay bar pipe, and simultaneously falling on the first pipeline butt joint assembly and the second pipeline butt joint assembly from the feeding plate, so that the inner stay bar pipe and the outer stay bar pipe are ensured to be coaxially distributed;
S4: the output end of the air cylinder is controlled by the starting mechanism to push the second push block, so that the inner pipe of the stay bar moves towards the outer pipe of the stay bar, and after the end part of the outer pipe of the stay bar is abutted against the first push block, the inner pipe of the stay bar is inserted into the outer pipe of the stay bar under the extrusion action, so that the structure identical to that of a stay bar sample of the electric door is formed;
s5: and the mechanical arm works, and the outer stay rod pipe and inner stay rod pipe combined part is taken down and placed on the conveyor belt.
In the technical scheme, the invention has the technical effects and advantages that:
1. The automobile electric door stay bar sample is horizontally clamped through the calibration clamp, the positions of the idler wheels and the idler rollers at the tops of the first pipeline butt joint assembly and the second pipeline butt joint assembly are adjusted to obtain an accurate butt joint mechanism, the pipeline conveying mechanism is utilized to enable two groups of conveying wheel sets to be aligned to convey the inner pipe and the outer pipe of the stay bar and then fall down from the blanking port one by one, the conveying wheel sets fall on the first pipeline butt joint assembly and the second pipeline butt joint assembly and then keep coaxial distribution, the output end of the air cylinder pushes the second push block to be matched with the extrusion force of the first push block, the second push block is processed into an assembly identical with the electric door stay bar sample, then the assembly is taken down to continue automatic operation, the working efficiency is greatly improved, the stamping processing does not damage a workpiece, and the quality of the assembly is high;
2. Through regulating the roller and carrying roller position, it is convenient to adjust according to the actual processing needs, the laminating nature to the pipe fitting for the combination is better, and the card pipe fitting can be convenient change, the position of adjusting the taper column in the inner side hole groove of drive wheel, the effect of a plurality of card pipe fittings quick replacement installation is realized to cooperation delivery wheelset inner structure, in order to be applicable to the pipeline transmission of different diameters, and can control the length of drive wheel and card pipe fitting according to actual need, the quick adjustment of the device of being convenient for, use this equipment can process the product of multiple specification, the practicality is improved greatly, facilitate promotion and use;
3. through utilizing the hair-dryer to blow to the pipeline in the transportation, clean vaulting pole outer tube and vaulting pole inner tube surface, and cool down to the heat that vaulting pole outer tube and vaulting pole inner tube cooperation piston spare friction produced, utilize both sides limiting plate laminating pipe fitting both sides, make vaulting pole outer tube and vaulting pole inner tube can be adjusted and stable direction decline, cooperation arc and the buffering and the protection of delivery plate improve the transmission stability of vaulting pole outer tube or vaulting pole inner tube, reduced the possibility of work piece collision damage, reduced the defective rate.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a block diagram of a stay bar inner tube and a stay bar outer tube of an automobile electric door stay bar provided by the invention;
FIG. 2 is a perspective view of a first view of the overall structure of the automatic docking apparatus provided by the present invention;
FIG. 3 is a second perspective view of the overall structure of the automatic docking apparatus of the present invention;
FIG. 4 is a front view of the overall structure of the automatic docking device provided by the present invention;
FIG. 5 is a top view of the overall structure of the automatic docking apparatus provided by the present invention;
FIG. 6 is a right side view of the overall structure of the automatic docking device provided by the present invention;
FIG. 7 is a perspective view of the mating structure of the pipe transfer mechanism of the present invention with a first pipe docking assembly;
FIG. 8 is a side view of the mating structure of the pipe transfer mechanism of the present invention with a first pipe docking assembly;
FIG. 9 is a first perspective view of a first conduit docking assembly of the present invention;
FIG. 10 is a front view of a first conduit docking assembly of the present invention;
FIG. 11 is a perspective view of the drive mechanism of two sets of pipe conveying mechanisms according to the present invention;
FIG. 12 is a perspective view of the conveyor set of the present invention (assembled);
Fig. 13 is a first perspective view of the conveyor set of the present invention (exploded view);
Fig. 14 is a second perspective view of the conveyor set of the present invention (exploded view);
FIG. 15 is a perspective view of a partially cut-away configuration of the transfer wheelset of the present invention;
FIG. 16 is a first perspective view of the connection structure of the feed cassette, arcuate plate and feed plate of the present invention;
FIG. 17 is a second perspective view of the connection structure of the feed cassette, arcuate plate and feed plate of the present invention;
FIG. 18 is a first perspective view of a calibration fixture of the present invention;
Fig. 19 is a second perspective view of the alignment jig of the present invention.
Reference numerals illustrate:
a docking frame-1; a first pipe docking assembly-2; a second pipe docking assembly-3; a pipeline conveying mechanism-4; a punching mechanism-5; a case-6; calibrating the clamp-7; a first electric push rod-8; a first push block-9; a manipulator-10; adjusting the base-11; a rail frame-12; a moving plate-13; a second electric push rod-14; a third electric push rod-15; a mounting plate-16; a frame-shaped plate 17; 匚 plate-18; a roller 19; carrying roller-20; a first bidirectional screw rod-21; a blower-22;
A carrier-401; a conveyor wheel set-402; a charging box-403; a feed opening-404; arcuate plate-405; a feeder plate-406; a second drive motor-407; short axis-408; long axis-409;
a cylinder-501; a second pusher-502; pneumatic mechanism-503;
an annular shelf-701; convex ring-702; notch-703; a first stop collar-704; pick up plate-705; pinch roller-706; a second stop collar-707; a third stop collar-708; threaded rod-709; a first drive motor-710;
A drive wheel-4021; cone pillar-4022; a card slot-4023; a clip tube-4024; combining section-4025; modular rod-4026; first groove-4027; second groove-4028; a hooking hole-4029; linear slide bar-4030; first spring-4031; t-shaped slide bar-4032; second spring-4033; limiting plate-4034; a second bidirectional screw-4035;
a stay rod inner tube-a; a stay rod outer tube-b; a piston member-c.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The invention provides an inner and outer tube processing technology for an automobile electric door stay bar as shown in figures 1-19, which comprises the steps of processing a stay bar inner tube a, processing a stay bar outer tube b and assembling the stay bar inner tube a and the stay bar outer tube b in a butt joint way, wherein the inner surface and the outer surface of a stainless steel tube are polished by the processing of the stay bar inner tube a and the processing of the stay bar outer tube b, screw rod sections are integrally arranged at two ends of the stay bar inner tube a, a piston part c is arranged at the outer side of the screw rod section and is in contact and sliding connection with the inner wall of the stay bar outer tube b, and the stay bar inner tube a and the stay bar outer tube b are assembled on automatic butt joint equipment in a butt joint way for processing;
The automatic butt joint equipment comprises a butt joint frame 1, a first pipeline butt joint assembly 2 and a second pipeline butt joint assembly 3 are arranged at the top of the butt joint frame 1, the first pipeline butt joint assembly 2 and the second pipeline butt joint assembly 3 are respectively used for supporting a supporting rod outer tube b and a supporting rod inner tube a, the axes of the supporting rod outer tube b and the supporting rod inner tube a are arranged in a collinear mode, the first pipeline butt joint assembly 2 and one side of the second pipeline butt joint assembly 3 are respectively provided with a pipeline conveying mechanism 4, the two groups of pipeline conveying mechanisms 4 are respectively used for synchronously conveying the supporting rod outer tube b and the supporting rod inner tube a, a stamping mechanism 5 is arranged on one side of the top of the butt joint frame 1, the stamping mechanism 5 is used for pushing the supporting rod inner tube a to be inserted into the inner side of the supporting rod outer tube b, a chassis 6 is arranged on one side of the top of the butt joint frame 1, a calibration fixture 7 is arranged at the position of the chassis 6, the front opposite to the stamping mechanism 5, the calibration fixture 7 is used for clamping an electric door supporting rod sample, the positions of the first pipeline butt joint assembly 2 and the second pipeline butt joint assembly 3 are matched with the electric door supporting rod sample, a first electric push rod 8 is arranged on the inner side of the chassis 6, the output end of the first electric push rod 8 penetrates through the side wall 6 and is fixedly connected with a first push rod 9, and is arranged on one side of the first push rod 8, a push rod 9 is arranged on one side of the first push rod outer tube assembly 2, and is further arranged on the side of the supporting rod assembly 10, and is used for conveying a combined with the supporting rod outer tube 10.
As a specific implementation structure of the first pipe docking assembly 2 and the second pipe docking assembly 3 in the present invention:
the first pipeline butt joint assembly 2 and the second pipeline butt joint assembly 3 have the same structure, and the difference is that for the different supporting distances of a stay bar outer pipe b and a stay bar inner pipe a, the first pipeline butt joint assembly 2 and the second pipeline butt joint assembly 3 respectively comprise an adjusting base 11, a rail frame 12 which is parallel to the upper surface of the adjusting base 11 is fixedly arranged at the top of a butt joint frame 1, the rail frame 12 penetrates through the adjusting base 11 and is in sliding connection with a penetrating hole, the adjusting base 11 and the rail frame 12 are fixed through screw limit, the top end of the adjusting base 11 is in sliding connection with a movable plate 13 through a sliding rail, one side of the adjusting base 11 is fixedly connected with a second electric push rod 14, an output shaft of the second electric push rod 14 is in transmission connection with the movable plate 13, the top end of the movable plate 13 is jointly in transmission connection with a mounting plate 16 through a plurality of third electric push rods 15, two sides of the mounting plate 16 are respectively fixedly connected with frame plates 18, two symmetrically distributed 匚 plates 18, two opposite inner tops of the frame plates 18 are rotationally connected with idler wheels 19, a carrier roller 20 is connected between the two opposite idler rollers 19, the stay bar outer pipe b and the stay bar inner pipe a are respectively correspondingly arranged between two groups 20 through two sets of idler rollers 5321, two ends of the first through bearings 匚 are rotationally connected with two bidirectional threaded plates through bearings 21, and two bidirectional threaded through two through screw threads of the first through bearings 匚;
The output end of the second electric push rod 14 is controlled to push the moving plate 13 to move, the output end of the third electric push rod 15 is controlled to push the mounting plate 16 to move, the first bidirectional screw rods 21 which are symmetrically distributed are rotated, the 匚 plates 18 on two sides are relatively moved, the rollers 19 and the carrier rollers 20 which are arranged in pairs are utilized to support the outer tube b or the inner tube a of the stay rod in a high stability manner, the outer tube b and the inner tube a of the stay rod are coaxially distributed, and simultaneously, the outer tube b and the inner tube a of the stay rod are coaxially distributed with the first push block 9 and the second push block 502 when placed, so that accurate butt joint and stamping combination forming are facilitated at the moment, and the outer tube b and the inner tube a of the stay rod with different lengths can be applicable to use by sliding two adjusting bases 11 on the rail frame 12.
As a specific implementation structure of the calibration jig 7 in the present invention:
The calibration fixture 7 comprises an annular frame 701, the annular frame 701 is fixed on the outer wall of the chassis 6 through bolts, a convex ring 702 is rotationally connected to one side of the annular frame 701, a plurality of notches 703 distributed in an annular array are formed in the outer side of the convex ring 702, a first limit sleeve 704 is rotationally connected to the middle of each notch 703, a cantilever plate 705 is slidably connected to the first limit sleeve 704, a pinch roller 706 is rotationally connected to one end of the cantilever plate 705, the other end of the cantilever plate 705 is rotationally connected to the annular frame 701 through foundation piles, a third limit sleeve 708 is rotationally connected to the side wall of the annular frame 701, a convex plate is fixedly connected to the outer side of the convex ring 702, a second limit sleeve 707 is hinged to the outer side of the convex plate, a threaded rod 709 is connected to the inner side of the second limit sleeve 707 in a threaded mode, a threaded rod 709 is rotationally connected between the end of the threaded rod 709 and the third limit sleeve 708 through a bearing, a first driving motor 710 is fixedly connected to one side of the third limit sleeve 708, and an output shaft of the first driving motor 710 is in transmission connection with the threaded rod 709;
When the calibration fixture 7 is used, the threaded rod 709 is driven by the output shaft of the first driving motor 710, under the movable connection cooperation of the second limiting sleeve 707 and the third limiting sleeve 708 and the threaded rod 709, the threaded rod 709 deflects while rotating, so that the convex plates and the convex ring 702 are pulled to rotate around the axis of the convex ring 702 in the moving process of the second limiting sleeve 707, and under the movable structure cooperation of the first limiting sleeve 704, the plurality of cantilever plates 705 are simultaneously twisted, namely, the plurality of pressing wheels 706 simultaneously move inwards or simultaneously outwards, and the aim of clamping the assembly of the outer tube b of the stay bar and the inner tube a of the stay bar is fulfilled.
As a specific implementation structure of the pressing mechanism 5 in the present invention:
The stamping mechanism 5 comprises an air cylinder 501, a second push block 502 is connected with an output shaft of the air cylinder 501 in a transmission way, the first push block 9 and the second push block 502 are coaxially distributed, a pneumatic mechanism 503 is fixedly connected to the outer side of the docking frame 1, an air inlet and an air outlet of the air cylinder 501 are respectively connected with two air holes of the pneumatic mechanism 503, and the pneumatic mechanism 503 provides power for the air cylinder 501.
As a concrete implementation structure of the pipe conveying mechanism 4 in the present invention:
The pipeline conveying mechanism 4 comprises a bearing frame 401, the bearing frame 401 is fixed on the docking frame 1 through screws, a conveying wheel set 402 is arranged on the top end rolling frame of the bearing frame 401, a feeding box 403 is arranged on the side portion of the docking frame 1, a discharging opening 404 is formed in the bottom end of the feeding box 403, the discharging opening 404 is in butt joint with the top end of the conveying wheel set 402, an arc plate 405 is fixedly connected to one side of the feeding box 403, the arc plate 405 is distributed around the conveying wheel set 402, a feeding plate 406 is hinged to the bottom end of the arc plate 405 and used for conveying a stay bar outer pipe b or a stay bar inner pipe a to the first pipeline docking assembly 2 and the second pipeline docking assembly 3, stable conveying of the stay bar outer pipe b or the stay bar inner pipe a is facilitated through a torsion spring elastic support between the arc plate 405 and the feeding plate 406, and workpiece collision damage is reduced;
the axes of the two conveying wheel sets 402 are synchronously driven through a coupler and a short shaft 408, a second driving motor 407 is fixedly connected in the case 6, and an output shaft of the second driving motor 407 is in transmission connection with one of the conveying wheel sets 402 through a long shaft 409 and the coupler.
As a specific implementation structure of the conveying wheel set 402 in the present invention:
In order to facilitate replacement of the clip tube 4024 so as to be suitable for pipeline transmission with different diameters, this embodiment is designed: the conveying wheel set 402 comprises a driving wheel 4021, a frustum column 4022 is inserted at the axle center of the driving wheel 4021, a plurality of clamping grooves 4023 distributed in an annular array are formed in the outer side of the driving wheel 4021, clamping pipe fittings 4024 are arranged in the clamping grooves 4023 and used for attaching and conveying a stay bar outer pipe b or a stay bar inner pipe a, and the length of the driving wheel 4021 is equal to that of the clamping pipe fittings 4024;
The driving wheel 4021 is formed by splicing at least two combined sections 4025, a plurality of through holes which are correspondingly distributed are formed in the combined sections 4025, and combined rods 4026 are inserted into the corresponding through holes, so that the lengths of the driving wheel 4021 and the clamping pipe 4024 can be controlled according to actual needs;
A first groove 4027 is formed in a section opposite to the plurality of combined sections 4025, second grooves 4028 are formed in two sides of the first groove 4027 in an inclined mode, the bottom end of the first groove 4027 penetrates through an inner hole groove of a driving wheel 4021, the second groove 4028 penetrates through the outer side of the combined section 4025, a hooking hole 4029 is formed in the position, corresponding to the second groove 4028, of the surface of the feeding plate 406, a linear sliding rod 4030 is connected in the first groove 4027 in a sliding mode, a first spring 4031 is arranged between the end of the linear sliding rod 4030 and the inner end of the first groove 4027, a T-shaped sliding rod 4032 is connected in the second groove 4028 in a sliding mode, a second spring 4033 is sleeved on the outer side of the T-shaped sliding rod 4032, one end, close to the T-shaped sliding rod 4032, of the linear sliding rod 4030 is in a conical shape, the conical end of the linear sliding rod 4032 presses the T-shaped sliding rod 4032, and the end of the T-shaped sliding rod 4032 is inserted into the hooking hole 4029;
when the clamping pipe fitting 4024 is replaced, a plurality of clamping pipe fittings 4024 can be replaced simultaneously, the clamping pipe fitting 4022 is convenient and fast, in particular, the frustum pillars 4022 are pulled outwards from the inner hole grooves of the driving wheel 4021, when the end part of the first groove 4027 leaves the blocking of the frustum pillars 4022, the linear slide bar 4030 is ejected by resilience of the first spring 4031, the linear slide bar 4030 is ejected by resilience of the end part of the second groove 4028, the T-shaped slide bar 4032 is ejected by resilience of the second spring 4033, the other ends of the T-shaped slide bars 4032 are pulled out from the inside of the hooking holes 4029 on two sides of the clamping pipe fitting 4024, at the moment, the clamping pipe fittings 4024 can be taken down rapidly, then the clamping pipe fittings 4024 needing to be replaced are installed in the clamping grooves 4023 one by one, and after auxiliary tightening is carried out on the clamping pipe fittings, the frustum pillars 4022 are inserted tightly, and the installation combination can be completed rapidly.
Further, in the above technical solution, in order to ensure and accurately position the pipeline in transmission, the cross section of the feeding box 403 is funnel-shaped, two symmetrically distributed limiting plates 4034 are slidably connected to the inner side of the feeding box 403, a second bidirectional screw 4035 is rotatably connected between two penetrating ends of the feeding box 403, and two sides of the second bidirectional screw 4035 respectively penetrate through the limiting plates 4034 and are in threaded connection with the penetrating holes;
the limiting plates 4034 on two sides are close to or far away from each other by rotating the second bidirectional screw 4035, so that the two limiting plates 4034 on two sides are guaranteed to be attached to two sides of a pipe fitting, and accurate butt joint processing is facilitated.
Further, in the above technical solution, in order to improve the product quality, the blower 22 is disposed inside the cabinet 6, and a vent is disposed on the side wall of the cabinet 6 at a position corresponding to the blower 22 and corresponding to the conveying wheel set 402;
the stay bar outer tube b and the stay bar inner tube a are blown to the tube by the blower 22 in the transportation process, the cleaning of the surfaces of the stay bar outer tube b and the stay bar inner tube a is ensured to a certain extent, and the stay bar outer tube b and the stay bar inner tube a are matched with the piston part c to generate heat in the friction process, so that the blowing of the blower 22 has a certain cooling effect.
The specific steps of butt-jointing and assembling the stay bar inner tube a and the stay bar outer tube b by using the automatic butt-jointing equipment are as follows:
S1: referring to the automobile electric door stay bar sample, horizontally clamping by matching with the calibration fixture 7, then adjusting the positions of the first pipeline docking assembly 2 and the second pipeline docking assembly 3 to be matched with the electric door stay bar sample to obtain an accurate docking mechanism, then starting the first driving motor 710 to enable the plurality of pressing wheels 706 to be unfolded outwards, pushing the first pushing block 9 by the output end of the first electric push rod 8, pushing out the electric door stay bar sample, and staying at the position flush with the side wall of the convex ring 702;
S2: according to actual processing requirements, corresponding to the outer diameters of the piston part c and the stay bar outer tube b, selecting clamping pipe fittings 4024 with corresponding sizes, installing the clamping pipe fittings on two corresponding groups of conveying wheel sets 402, and adjusting the distance between two limiting plates 4034 according to the lengths of the stay bar inner tube a and the stay bar outer tube b, so that the stay bar inner tube a and the stay bar outer tube b fall from a feed opening 404 one by one after being aligned;
s3: starting a second motor to enable the two groups of conveying wheel sets 402 to synchronously convey the inner stay rod tube a and the outer stay rod tube b, and simultaneously falling on the first pipeline butt joint assembly 2 and the second pipeline butt joint assembly 3 from the feeding plate 406, so that the inner stay rod tube a and the outer stay rod tube b are coaxially distributed;
S4: the output end of the air cylinder 501 is controlled by the starting mechanism to push the second push block 502, so that the inner stay rod pipe a moves towards the outer stay rod pipe b, the end part of the outer stay rod pipe b abuts against the first push block 9, and then the inner stay rod pipe a is inserted into the outer stay rod pipe b under the extrusion action to form the same structure as an electric door stay rod sample;
S5: the robot 10 operates to remove the outer brace tube b and inner brace tube a combination and place it on the conveyor belt.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (7)
1. The inner pipe and outer pipe machining process for the automobile electric door stay bar comprises the steps of machining a stay bar inner pipe (a), machining a stay bar outer pipe (b), and butt-joint and assembly of the stay bar inner pipe (a) and the stay bar outer pipe (b), and is characterized in that: the method comprises the steps that (1) a stay bar inner pipe (a) and a stay bar outer pipe (b) are processed, the inner surface and the outer surface of a stainless steel pipe are polished, screw rod sections are uniformly arranged at two ends of the stay bar inner pipe (a), a piston part (c) is arranged on the outer side of each screw rod section, the piston part (c) is attached to the inner wall of the stay bar outer pipe (b) and is in sliding connection with the inner wall of the stay bar outer pipe (b), and the stay bar inner pipe (a) and the stay bar outer pipe (b) are in butt joint assembly on automatic butt joint equipment for processing;
The automatic butt joint equipment comprises a butt joint frame (1), a first pipeline butt joint assembly (2) and a second pipeline butt joint assembly (3) are arranged at the top of the butt joint frame (1), the first pipeline butt joint assembly (2) and the second pipeline butt joint assembly (3) are respectively used for supporting a supporting rod outer tube (b) and a supporting rod inner tube (a), the axle centers of the supporting rod outer tube (b) and the supporting rod inner tube (a) are arranged in a collinear way, pipeline conveying mechanisms (4) are respectively arranged at one side of the first pipeline butt joint assembly (2) and one side of the second pipeline butt joint assembly (3), two groups of pipeline conveying mechanisms (4) are respectively used for synchronously conveying the supporting rod outer tube (b) and the supporting rod inner tube (a), a punching mechanism (5) is arranged at one side of the top of the butt joint frame (1) and is used for pushing the supporting rod inner tube (a) to be inserted into the inner side of the supporting rod outer tube (b), a chassis (6) is arranged at one side of the top of the butt joint frame (1) far away from the punching mechanism (5), a calibration clamp (7) is arranged at the position right opposite to the chassis (6) and the punching mechanism (5), the electric clamp (7) is used for synchronously conveying the supporting rod, the first pipeline butt joint assembly (2) and the first pipeline assembly (8) are matched with the first pipeline butt joint assembly (8), the output end of the first electric push rod (8) penetrates through the side wall of the chassis (6) and is fixedly connected with a first push block (9), the output end of the first electric push rod (8) pushes the first push block (9) to be used for stripping the assembly of the outer stay rod tube (b) and the inner stay rod tube (a), the first electric push rod (8) is positioned at the axis part of the calibration fixture (7), and one side of the first pipeline docking assembly (2) is provided with a manipulator (10) for taking down the assembly of the outer stay rod tube (b) and the inner stay rod tube (a) and placing the assembly on a conveyor belt;
The first pipeline butt joint assembly (2) and the second pipeline butt joint assembly (3) respectively comprise an adjusting base (11), a rail frame (12) which is parallel to the upper surface of the adjusting base (11) is fixedly arranged at the top of the butt joint frame (1), the rail frame (12) penetrates through the adjusting base (11) and is in sliding connection with a penetrating hole, the adjusting base (11) and the rail frame (12) are fixed through screws, the top of the adjusting base (11) is in sliding connection with a moving plate (13) through a sliding rail, one side of the adjusting base (11) is fixedly connected with a second electric push rod (14), an output shaft of the second electric push rod (14) is in transmission connection with the moving plate (13), the top of the moving plate (13) is connected with a mounting plate (16) through a plurality of third electric push rods (15) in a common transmission manner, two sides of the mounting plate (16) are fixedly connected with frame plates (17), two symmetrically distributed 匚 plates (18) are in sliding connection with the inner side top of the frame plates (17), two opposite inner tube plates (18) are in rotating connection with idler wheels (19), two opposite inner tube plates (19) are connected with two support rods (20) respectively, two support rods (20) are connected with two ends of a support roller sets (20) in a two-way, two ends of support rods (20) are respectively connected with two support rods (20) through two support rods (20), the first bidirectional screw rod (21) penetrates through the two 匚 plates (18) and is in threaded connection with the penetrating hole;
The calibration fixture (7) comprises an annular frame (701), the annular frame (701) is fixed on the outer wall of the chassis (6) through bolts, a raised ring (702) is rotationally connected to one side of the annular frame (701), a plurality of notches (703) distributed in an annular array are formed in the outer side of the raised ring (702), a first limit sleeve (704) is rotationally connected to the middle of each notch (703), a cantilever plate (705) is rotationally connected to the inner side of each first limit sleeve (704), a pinch roller (706) is rotationally connected to one end of each cantilever plate (705), the other end of each cantilever plate (705) is rotationally connected to the annular frame (701) through foundation piles, a third limit sleeve (708) is rotationally connected to the side wall of the annular frame (701), a raised plate is fixedly connected to the outer side of the raised ring (702), a second limit sleeve (707) is hinged to the outer side of the raised plate, a threaded rod (709) is connected to the inner side of each second limit sleeve in a threaded mode, the end of each threaded rod (709) is rotationally connected to the third limit sleeve (708) through a bearing, one side of each third limit sleeve is fixedly connected to a first drive motor (710), and a first drive output shaft (710) is connected to one side of each third limit sleeve (708);
The stamping mechanism (5) comprises an air cylinder (501), the output shaft of the air cylinder (501) is connected with a second push block (502) in a transmission manner, the first push block (9) and the second push block (502) are coaxially distributed, the outer side of the docking frame (1) is fixedly connected with a pneumatic mechanism (503), an air inlet and an air outlet of the air cylinder (501) are respectively connected with two air holes of the pneumatic mechanism (503), and the pneumatic mechanism (503) provides power for the air cylinder (501).
2. The process for machining an inner tube and an outer tube for an automobile electric door stay according to claim 1, wherein the process comprises the following steps: the pipeline conveying mechanism (4) comprises a bearing frame (401), the bearing frame (401) is fixed on the butting frame (1) through screws, a conveying wheel set (402) is arranged on the top end of the bearing frame (401) in a rolling mode, a feeding box (403) is arranged on the side portion of the butting frame (1), a blanking opening (404) is formed in the bottom end of the feeding box (403), the blanking opening (404) is in butt joint with the top end position of the conveying wheel set (402), an arc plate (405) is fixedly connected to one side of the feeding box (403), the arc plates (405) are distributed around the conveying wheel set (402), and a feeding plate (406) is hinged to the bottom end of the arc plate (405) and used for conveying a stay bar outer pipe (b) or stay bar inner pipe (a) to the first pipeline butting assembly (2) and the second pipeline butting assembly (3), and the arc plate (405) and the feeding plate (406) are elastically supported through torsion springs;
the axle center of the two conveying wheel sets (402) is synchronously driven through a coupler and a short axle (408), a second driving motor (407) is fixedly connected in the case (6), and an output shaft of the second driving motor (407) is in transmission connection with one of the conveying wheel sets (402) through a long axle (409) and the coupler.
3. The process for machining the inner tube and the outer tube for the automobile electric door stay according to claim 2, wherein the process comprises the following steps of: the conveying wheel set (402) comprises a driving wheel (4021), a conical table column (4022) is inserted into the axle center of the driving wheel (4021), a plurality of annular array distributed clamping grooves (4023) are formed in the outer side of the driving wheel (4021), clamping pipe fittings (4024) are arranged in the clamping grooves (4023) and used for being attached to and conveying a supporting rod outer pipe (b) or a supporting rod inner pipe (a), and the length of the driving wheel (4021) is equal to that of the clamping pipe fittings (4024).
4. The process for machining an inner tube and an outer tube for an automotive electric door stay according to claim 3, wherein: the driving wheel (4021) is formed by splicing at least two combined sections (4025), a plurality of through holes which are correspondingly distributed are formed in the combined sections (4025), and combined rods (4026) are inserted in the corresponding through holes;
The utility model provides a first recess (4027) has all been seted up on the tangent plane that a plurality of combination sections (4025) are relative, and second recess (4028) have been seted up to first recess (4027) both sides in the slope form, and drive wheel (4021) inboard hole groove is run through to first recess (4027) bottom, and combination section (4025) outside is run through to second recess (4028), link hole (4029) have been seted up on the position department that corresponds second recess (4028) on feeding plate (406) surface, and sliding connection has sharp slide bar (4030) in first recess (4027), and is equipped with first spring (4031) between sharp slide bar (4030) tip and the inboard tip of first recess (4027), sliding connection has T shape slide bar (4032) in second recess (4028), the one end that straight line slide bar (4030) is close to T shape slide bar (4032) sets up to the toper, and straight line slide bar (4030) is pressed T shape slide bar (4032) and is made T shape slide bar (4032) insert inside link hole (409).
5. The process for machining the inner tube and the outer tube for the automobile electric door stay according to claim 4, wherein the process comprises the following steps of: the cross-sectional shape of the feeding box (403) is set to be funnel-shaped, two limiting plates (4034) which are symmetrically distributed are connected to the inner side of the feeding box (403) in a sliding mode, a second bidirectional screw (4035) is connected to one side of the feeding box (403) in a rotating mode and penetrates through the two ends of the feeding box, and two sides of the second bidirectional screw (4035) penetrate through the limiting plates (4034) respectively and are in threaded connection with the penetrating holes.
6. The process for machining the inner tube and the outer tube for the automobile electric door stay according to claim 2, wherein the process comprises the following steps of: the inside of machine case (6) is equipped with hair-dryer (22), the vent has been seted up to the mouth position department of blowing of corresponding hair-dryer (22) on machine case (6) lateral wall, and the vent corresponds conveyer wheelset (402) setting.
7. The process for machining the inner tube and the outer tube for the automobile electric door stay according to claim 5, wherein the process comprises the following steps of: the specific steps of butt joint assembly of the stay bar inner tube (a) and the stay bar outer tube (b) by using automatic butt joint equipment are as follows:
S1: referring to an automobile electric door stay bar sample, horizontally clamping by matching with a calibration clamp (7), then adjusting the positions of a first pipeline butt joint assembly (2) and a second pipeline butt joint assembly (3) to be matched with the electric door stay bar sample to obtain an accurate butt joint mechanism, then starting a first driving motor (710) to enable a plurality of pressing wheels (706) to be unfolded outwards, pushing a first pushing block (9) by the output end of a first electric push rod (8), pushing the electric door stay bar sample out, and staying at a position flush with the side wall of a convex ring (702);
S2: according to actual processing requirements, corresponding to the outer diameters of the piston part (c) and the stay bar outer pipe (b), selecting clamping pipe fittings (4024) with corresponding sizes, installing the clamping pipe fittings on two corresponding groups of conveying wheel sets (402), and adjusting the distance between two limiting plates (4034) according to the lengths of the stay bar inner pipe (a) and the stay bar outer pipe (b), so that the stay bar inner pipe (a) and the stay bar outer pipe (b) fall down from a blanking hole (404) one by one after being aligned;
S3: starting a second motor to enable the two groups of conveying wheel sets (402) to synchronously convey the inner stay rod tube (a) and the outer stay rod tube (b), and simultaneously falling on the first pipeline butt joint assembly (2) and the second pipeline butt joint assembly (3) from the feeding plate (406), so that the inner stay rod tube (a) and the outer stay rod tube (b) are coaxially distributed;
S4: the output end of a control cylinder (501) of the starting mechanism pushes a second push block (502) to enable a stay bar inner pipe (a) to move towards a stay bar outer pipe (b), after the end part of the stay bar outer pipe (b) is abutted against a first push block (9), the stay bar inner pipe (a) is inserted into the stay bar outer pipe (b) under the extrusion action, so that the structure identical to that of an electric door stay bar sample is formed;
S5: the manipulator (10) works, and the assembly of the stay bar outer tube (b) and the stay bar inner tube (a) is taken down and placed on the conveyor belt.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101442660B1 (en) * | 2013-04-24 | 2014-09-23 | 주식회사 포스코 | An apparatus for removing bearing in guide roll |
| CN116586895A (en) * | 2023-07-14 | 2023-08-15 | 江苏立万精密制管有限公司 | Slag and residue cleaning equipment for seamed steel pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SE347899B (en) * | 1971-07-22 | 1972-08-21 | B Orsborn | |
| CN112517698A (en) * | 2020-10-21 | 2021-03-19 | 浙江中工石化设备有限公司 | Automatic feeding pipe bender and using method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101442660B1 (en) * | 2013-04-24 | 2014-09-23 | 주식회사 포스코 | An apparatus for removing bearing in guide roll |
| CN116586895A (en) * | 2023-07-14 | 2023-08-15 | 江苏立万精密制管有限公司 | Slag and residue cleaning equipment for seamed steel pipe |
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