CN112247460A

CN112247460A - Adjustable positioning and clamping device

Info

Publication number: CN112247460A
Application number: CN202011344770.XA
Authority: CN
Inventors: 周成刚; 鞠传军; 杨亚鹏; 宫荣成; 刘钊
Original assignee: Weihai Guangtai Airport Equipment Co Ltd
Current assignee: Weihai Guangtai Airport Equipment Co Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-01-22

Abstract

The invention relates to the technical field of boarding bridge passageway installation, in particular to an adjustable positioning and clamping device, which comprises a welding platform, wherein a left positioning and extruding mechanism and a right positioning and extruding mechanism are arranged on the welding platform at intervals, the left positioning and extruding mechanism comprises a bottom left abutting mechanism, a left side abutting mechanism and a top left pressing mechanism, the right positioning and extruding mechanism comprises a bottom right positioning mechanism, a right side positioning mechanism and a top right pressing mechanism, the bottom right positioning mechanism and the bottom left abutting mechanism are opposite at intervals and are used for positioning and clamping the bottom of a workpiece on the welding platform, the right side positioning mechanism and the left side abutting mechanism are opposite at intervals and are used for positioning and clamping two sides of the workpiece on the welding platform, the top right pressing mechanism and the top left pressing mechanism are arranged at intervals and are used for positioning and pressing the top of the workpiece on the welding platform, the invention is suitable for positioning and clamping the channel workpieces with different dimensions, has high welding precision and controllable welding deformation.

Description

Adjustable positioning and clamping device

Technical Field

The invention relates to the technical field of boarding bridge channel installation, in particular to an adjustable positioning and clamping device.

Background

The passenger boarding bridge is a movable lifting channel used for connecting a waiting hall and an airplane at an airport, one end of the passenger boarding bridge is connected with a certain boarding port of the waiting building, the other end of the passenger boarding bridge is connected with a cabin door of the airplane, passengers enter the airplane through the corresponding boarding port through the channel, the passenger boarding bridge not only shortens the distance between the waiting building and the airplane, but also prevents the passengers from being exposed to the sun and rain, thereby greatly facilitating the boarding of the passengers and becoming the mainstream boarding mode, as is well known, the boarding bridge channel is designed into a welding machine structure and is generally formed by combining and welding a channel into a left side truss component, a right side truss component, a top component and a bottom component, and Chinese patent CN207508565U discloses a welding tool for a single-side truss of the boarding bridge channel through retrieval, which comprises a rack, wherein the rack is provided with a workbench for placing a workpiece to be welded and at least one group of horizontal clamping mechanisms, the horizontal clamping mechanisms are arranged on the rack and positioned at, the horizontal clamping mechanism can clamp a workpiece along the horizontal direction, and at least one group of vertical clamping mechanisms are arranged on the rack and can clamp the workpiece along the vertical direction, and the defects of the patents are as follows: above-mentioned patent can only carry out the location to the truss of unilateral and press from both sides tightly, can't use to passageway class work piece, because passageway class work piece need to the both sides truss part and top, bottom part carries out the combination welding, only fix a position the unilateral truss and be far away not enough, and during the combination welding, every part of passageway all needs the location, the part is many, the welding degree of difficulty is big, do not have suitable positioning tool to fix a position at present, how to control the welding deformation of passageway class work piece at the assembly welding in-process, guarantee that size precision becomes current technological problem.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides the adjustable positioning and clamping device which is novel in structure, suitable for positioning and clamping channel workpieces with different dimensions, convenient to weld, high in working efficiency and welding precision and controllable in welding deformation.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a positioning and clamping device with adjustable, includes welded platform, its characterized in that: the welding platform is provided with a left positioning extrusion mechanism and a right positioning extrusion mechanism at intervals, the left positioning extrusion mechanism comprises a bottom left side jacking mechanism, a left side jacking mechanism and a top left side pressing mechanism, the lower end of the left side jacking mechanism is connected with the bottom left side jacking mechanism, the upper end of the left side jacking mechanism is connected with the top left side pressing mechanism, the left side jacking mechanism and the bottom left side jacking mechanism are respectively connected with the welding platform, the right positioning extrusion mechanism comprises a bottom right side positioning mechanism, a right side positioning mechanism and a top right side pressing mechanism, a bottom right side positioning mechanism is arranged below the right side positioning mechanism, the upper end of the right side positioning mechanism is connected with the top right side pressing mechanism, the lower end of the right side positioning mechanism and the bottom right side positioning mechanism are respectively connected with the welding platform, and the bottom right side positioning mechanism and the bottom left side jacking mechanism are opposite at intervals, the bottom of a workpiece on the welding platform is positioned and clamped, the right side edge positioning mechanism and the left side edge jacking mechanism are opposite in interval, the two sides of the workpiece on the welding platform are positioned and clamped, the top right side pressing mechanism and the top left side pressing mechanism are arranged at intervals, the top of the workpiece on the welding platform is positioned and pressed, so that the follow-up welding of the channel type workpiece is facilitated, the welding precision is high, and the welding deformation is controllable.

The right side edge positioning mechanism comprises a right side upright post, a right side mounting seat, a fixed block, a right side positioning ejector rod and a positioning pin, wherein the lower end of the right side upright post is fixedly connected with a welding platform, the right side mounting seat is arranged in front of the right side upright post at intervals from top to bottom, the right side mounting seat is fixedly connected with the right side upright post, the fixed block is fixedly provided with a fixed block, an ejector rod through hole is transversely arranged on the fixed block, the upper end surface of the fixed block is provided with a pin hole, the ejector rod through hole is communicated with the pin hole, the outer wall of the right side positioning ejector rod is provided with a positioning pin hole, the right end of the right side positioning ejector rod penetrates through the fixed block and enters the positioning pin hole through the positioning pin to fixedly connect the right side positioning ejector rod, the bottom right side positioning mechanism comprises a bottom right side positioning seat, the bottom right side positioning seat comprises a bottom supporting plate and a right side limiting plate, a right side limiting plate is arranged in the middle of or on the right side of the bottom supporting plate, the lower end of the bottom supporting plate is fixedly connected with the welding platform, the upper end of the bottom supporting plate is vertically and fixedly connected with the lower end of the right side limiting plate so as to be beneficial to supporting the bottom of a workpiece through the upper end surface of the bottom supporting plate and limiting the right side surface of the bottom of the workpiece through the right side limiting plate so as to limit the right side of the bottom of the workpiece, the upper end of the right side upright is provided with a top right side pressing mechanism, the top right side pressing mechanism comprises a slewing bearing, a right side hydraulic cylinder mounting seat and a right side top pressing hydraulic cylinder, the upper end of the right side upright is connected with the right side hydraulic cylinder mounting seat, the hydraulic cylinder seat and the right side hydraulic cylinder mounting seat fixed connection of hydraulic cylinder are pushed down at the right side top, the piston rod of hydraulic cylinder is pushed down at the right side top downwards to form a free pushing end downwards, so that the top of a workpiece on a welding platform is pushed down through downward stretching of the piston rod of hydraulic cylinder driving at the right side top.

The invention relates to a left side tightening mechanism which comprises a left side upright post, a left side mounting seat, an adjusting screw rod, a sliding support, a screw seat, a boss, a bearing, a side tightening hydraulic cylinder and a side support seat, wherein the left side mounting seat is arranged in front of the left side upright post, the lower end of the left side upright post is fixedly connected with a welding platform, the adjusting screw rod is arranged in front of the left side upright post, the left side mounting seat is fixedly connected with the left side upright post, a longitudinal guide rail is fixedly arranged on the left side mounting seat, the sliding support is arranged on the left side mounting seat and is in sliding connection with the left side mounting seat, the screw seat is arranged on the sliding support and is fixedly connected with the sliding support, the boss is arranged above the screw seat and is fixedly connected with the left side mounting seat, one end of the adjusting screw rod is connected with the boss through the bearing, and the other end of, so as to drive the screw seat to move up and down by rotating the adjusting screw rod, further drive the sliding support to move up and down, a side propping hydraulic cylinder is horizontally arranged on the sliding support, a side supporting seat is fixedly arranged on the sliding support, the side propping hydraulic cylinder is fixedly connected with the side supporting seat, the left end of a piston rod of the side propping hydraulic cylinder forms a free extrusion end so as to be beneficial to positioning and extruding the left side surface of a workpiece by the piston rod of the side propping hydraulic cylinder, a bottom left propping mechanism is arranged at the lower end of the left side upright post, a piston rod perforation is arranged at the lower end of the left side upright post, the bottom left propping mechanism comprises a bottom propping hydraulic cylinder, a hydraulic cylinder supporting seat, a bottom guide rail support and a propping block, the left side upright post is provided with the hydraulic cylinder supporting seat, the right side of the left side upright post is provided with the bottom guide rail support, and the hydraulic, the bottom jacking hydraulic cylinder is arranged on the hydraulic cylinder supporting seat and fixedly connected with the hydraulic cylinder supporting seat, a piston rod of the bottom jacking hydraulic cylinder penetrates through a piston rod perforation of the left upright post and is fixedly connected with the jacking block, the lower end of the jacking block is arranged on the bottom guide rail support, a guide rail is arranged on the bottom guide rail support, the jacking block is in sliding connection with the bottom guide rail support so as to be beneficial to placing a channel workpiece on the bottom guide rail support, the bottom jacking hydraulic cylinder drives the jacking block to move left and right through the piston rod and is used for positioning and extruding the left side surface of the bottom of the channel workpiece, a top left pressing mechanism is arranged at the upper end of the left upright post and comprises a slewing bearing, a fixed sliding sleeve, a sliding support and a left top pressing hydraulic cylinder, the upper end of the left upright post is provided with the fixed sliding sleeve, and the lower end of the fixed sliding sleeve is connected with the left upright, the improved welding platform is characterized in that a sliding sleeve is transversely arranged in the fixed sliding sleeve, the sliding sleeve is connected with the fixed sliding sleeve in a sliding mode, a sliding support is transversely arranged in the sliding sleeve and is connected with the sliding sleeve in a sliding mode, a left side top pressing hydraulic cylinder is arranged on one side of the sliding support, a hydraulic cylinder seat of the left side top pressing hydraulic cylinder is fixedly connected with the sliding support, and a piston rod of the left side top pressing hydraulic cylinder downwards forms a free pressing end to be beneficial to downwards pressing the top of a workpiece on the welding platform in a telescopic mode through the left side top pressing hydraulic cylinder driving piston rod.

The lower end of the left top pressing hydraulic cylinder and the lower end of the right top pressing hydraulic cylinder are respectively provided with a pressing guide mechanism, the pressing guide mechanism comprises a hydraulic support plate, a pressing guide block, a sliding bearing and a pressing shaft, the hydraulic support plate and the pressing guide block are fixedly arranged on one side of a sliding support at intervals, the hydraulic support plate and the pressing guide block are fixedly arranged on one side of a right hydraulic cylinder mounting seat at intervals, the right top pressing hydraulic cylinder or the left top pressing hydraulic cylinder is fixedly connected with the hydraulic support plate, the upper end of the pressing shaft penetrates through the pressing guide block and is fixedly connected with the lower end of a piston rod of the right top pressing hydraulic cylinder or the left top pressing hydraulic cylinder, the pressing shaft is connected with the pressing guide block through the sliding bearing, the lower end of the pressing shaft forms a free pressing end so as to be beneficial to guiding by the pressing guide block for the pressing shaft, and the pressing shaft is driven by the piston rod of the right top pressing hydraulic cylinder or the left top pressing hydraulic cylinder to move up and down The top of the workpiece is pressed.

The sliding support is provided with a left side guide mechanism, the left side guide mechanism comprises a side surface guide block, a sliding bearing and a side surface pressing shaft, the right side of the side surface support seat is provided with the side surface guide block, the side surface guide block is fixedly connected with the sliding support, the sliding bearing is arranged in the middle of the side surface guide block, one end of the side surface pressing shaft is fixedly connected with a piston rod of a side surface pressing hydraulic cylinder, the other end of the side surface pressing shaft penetrates through the side surface guide block to be arranged on the right side of the upright post, and the side surface pressing shaft is in sliding connection with the side surface guide block through the sliding bearing so as.

The fixed sliding sleeve and the sliding sleeve are respectively provided with a locking mechanism, the locking mechanism comprises a knob, a screw rod and a baffle, a knob is arranged on the outer side of the fixed sliding sleeve, a baffle is arranged between the inner wall of the fixed sliding sleeve and the outer wall of the sliding sleeve, a knob is arranged at the outer side of one end of the sliding sleeve, a baffle is arranged between the inner wall of the sliding sleeve and the outer wall of the sliding support, one end of the screw is fixedly connected with the knob, the other end of the screw passes through the fixed sliding sleeve or the sliding sleeve to be fixedly connected with the baffle, the screw is in threaded connection with the fixed sliding sleeve or the sliding sleeve, so that when the sliding sleeve moves to a proper position, the knob is rotated to enable the gasket to abut against the outer wall of the sliding sleeve to fix the position of the sliding sleeve, when sliding support moved to suitable position, the knob was rotated for the gasket supports on the sliding support outer wall with sliding support rigidity, and then with the left side top down the rigidity of hydraulic cylinder.

The outer wall of the left end and the outer wall of the right end of the sliding sleeve are respectively provided with a limiting block, the outer wall of the left end and the outer wall of the right end of the sliding support are respectively provided with a limiting block, and the limiting blocks are fixedly connected with the sliding sleeve or the sliding support, so that the limit of the stroke of the sliding sleeve and the sliding support moving left and right can be facilitated through the limiting blocks, and the sliding sleeve can be prevented from sliding out of the fixed sliding sleeve and the sliding support from.

The handles are respectively arranged on one side of the outer wall of the sliding sleeve and one side of the outer wall of the sliding support, and are fixedly connected with the sliding sleeve or the sliding support, so that the sliding sleeve or the sliding support is driven to move by pulling the handles, and the position of the hydraulic cylinder pressed at the top of the left side is changed.

By adopting the structure, the invention has the advantages of novel structure, suitability for positioning and clamping of channel workpieces with different sizes and specifications, convenient welding, high working efficiency, high welding precision, controllable welding deformation and the like.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a schematic view of the left positioning and pressing mechanism of the present invention.

Fig. 4 is a front view of fig. 3 in the present invention.

Fig. 5 is a schematic view of the top left hold-down mechanism of the present invention.

FIG. 6 is a partial schematic view of the left side urging mechanism of the present invention.

Fig. 7 is a schematic view of a bottom left-hand tightening mechanism according to the present invention.

Fig. 8 is a schematic view of a right positioning pressing mechanism in the present invention.

Fig. 9 is a front view of fig. 8 in the present invention.

Fig. 10 is a schematic view of the top right hold-down mechanism of the present invention.

FIG. 11 is a partial schematic view of a right side positioning mechanism of the present invention.

Reference numerals: a left positioning extrusion mechanism 1, a right positioning extrusion mechanism 2, a bottom left pressing mechanism 3, a left side pressing mechanism 4, a top left pressing mechanism 5, a bottom right positioning mechanism 6, a right side positioning mechanism 7, a top right pressing mechanism 8, a right upright post 9, a right mounting seat 10, a fixed block 11, a right positioning ejector rod 12, a positioning pin 13, a bottom right positioning seat 14, a bottom support plate 15, a right limiting plate 16, a slewing bearing 17, a right hydraulic cylinder mounting seat 18, a right top pressing hydraulic cylinder 19, a left upright post 20, a left mounting seat 21, an adjusting screw rod 22, a sliding support 23, a nut seat 24, a boss 25, a side pressing hydraulic cylinder 26, a side support seat 27, a bottom pressing hydraulic cylinder 28, a hydraulic cylinder support seat 29, a bottom guide rail support seat 30, a pressing block 31, a fixed sliding sleeve 32, a sliding sleeve 33, a sliding support seat 34 and a left top pressing hydraulic cylinder 35, the pressing mechanism comprises a pressing guide mechanism 36, a hydraulic support plate 37, a pressing guide block 38, a pressing shaft 39, a left side guide mechanism 40, a side guide block 41, a side pressing shaft 42, a limiting block 43, a handle 44, a locking mechanism 45, a knob 46 and a workpiece 100.

Detailed Description

The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.

The utility model provides a positioning and clamping device with adjustable, includes welded platform, its characterized in that: the welding platform is provided with a left positioning extrusion mechanism 1 and a right positioning extrusion mechanism 2 at intervals, the left positioning extrusion mechanism 1 comprises a bottom left side jacking mechanism 3, a left side jacking mechanism 4 and a top left side pressing mechanism 5, the lower end of the left side jacking mechanism 4 is connected with the bottom left side jacking mechanism 3, the upper end of the left side jacking mechanism is connected with the top left side pressing mechanism 5, the left side jacking mechanism 4 and the bottom left side jacking mechanism 3 are respectively connected with the welding platform, the right positioning extrusion mechanism 2 comprises a bottom right side positioning mechanism 6, a right side positioning mechanism 7 and a top right side pressing mechanism 8, the bottom right side positioning mechanism 6 is arranged below the right side positioning mechanism 7, the upper end of the right side positioning mechanism 7 is connected with the top right side pressing mechanism 8, and the lower end of the right side positioning mechanism 7 and the bottom right side positioning mechanism 6 are respectively connected with the welding platform, the bottom right side positioning mechanism 6 and the bottom left side jacking mechanism 3 are opposite in interval, and are used for positioning and clamping the bottom of the workpiece 100 on the welding platform, the right side positioning mechanism 7 and the left side jacking mechanism 4 are opposite in interval, and are used for positioning and clamping the two sides of the workpiece 100 on the welding platform, the top right side pressing mechanism 8 and the top left side pressing mechanism 5 are arranged in interval, are used for positioning and pressing the top of the workpiece 100 on the welding platform, so that the follow-up welding of channel type workpieces is facilitated, the welding precision is high, and the welding deformation is controllable.

The right side edge positioning mechanism 7 comprises a right side upright post 9, a right side mounting seat 10, a fixed block 11, a right side positioning ejector rod 12 and a positioning pin 13, wherein the lower end of the right side upright post 9 is fixedly connected with a welding platform, the right side mounting seat 10 is arranged in front of the right side upright post 9 at intervals from top to bottom, the right side mounting seat 10 is fixedly connected with the right side upright post 9, the fixed block 11 is fixedly arranged on the right side mounting seat 10, the fixed block 11 is transversely provided with ejector rod through holes, the upper end surface of the fixed block 11 is provided with pin holes, the ejector rod through holes are communicated with the pin holes, the outer wall of the right side positioning ejector rod 12 is provided with positioning pin holes, the right end of the right side positioning ejector rod 12 penetrates through the fixed block 11 and enters the positioning pin holes through the positioning pin holes by, so as to be favorable for abutting against the right side surface of a channel workpiece through the left end of the right side positioning ejector rod to facilitate subsequent extrusion, the left side of the lower end of the right side upright post 9 is provided with a bottom right side positioning mechanism 6, the bottom right side positioning mechanism 6 comprises a bottom right side positioning seat 14, the bottom right side positioning seat 14 comprises a bottom supporting plate 15 and a right side limiting plate 16, the middle part or the right side of the bottom supporting plate 15 is provided with the right side limiting plate 16, the lower end of the bottom supporting plate 15 is fixedly connected with the welding platform, the upper end of the bottom supporting plate is vertically and fixedly connected with the lower end of the right side limiting plate 16 so as to be favorable for supporting the bottom of the workpiece through the upper end surface of the bottom supporting plate, the right side surface of the bottom of the workpiece is limited by the right side limiting plate, the right side of the bottom of the workpiece is limited, the, the utility model discloses a welding platform, including right side stand 9, right side hydraulic cylinder mount pad 18, right side stand 9, slewing bearing 17, right side hydraulic cylinder mount pad 18 one side is equipped with right side top and pushes down hydraulic cylinder 19, the hydraulic cylinder seat and the right side hydraulic cylinder mount pad 18 fixed connection that hydraulic cylinder 19 was pushed down at the right side top, the piston rod that hydraulic cylinder 19 was pushed down at the right side top forms the free end of pushing down downwards to do benefit to and push down the top of work piece on the welding platform through the downward flexible of right side top hydraulic cylinder drive piston rod that pushes down.

The left side tightening mechanism 4 comprises a left upright post 20, a left mounting seat 21, an adjusting screw rod 22, a sliding support 23, a nut seat 24, a boss 25, a bearing, a side tightening hydraulic cylinder 26 and a side support seat 27, wherein the front of the left upright post 20 is provided with the left mounting seat 21, the lower end of the left upright post 20 is fixedly connected with a welding platform, the front of the left upright post 20 is provided with the adjusting screw rod 22, the left mounting seat 21 is fixedly connected with the left upright post 20, the left mounting seat 21 is fixedly provided with a longitudinal guide rail, the left mounting seat 21 is provided with the sliding support 23, the sliding support 23 is slidably connected with the left mounting seat 21, the sliding support 23 is provided with the nut seat 24, the nut seat 24 is fixedly connected with the sliding support 23, the boss 25 is arranged above the nut seat 24, and the boss 25 is fixedly connected with the left mounting seat 21, one end of the adjusting screw rod 22 is connected with the boss 25 through a bearing, the other end of the adjusting screw rod passes through the screw seat 24 and is in threaded connection with the screw seat 24, so that the adjusting screw rod is rotated to drive the screw seat to move up and down, and further drive the sliding support to move up and down, the sliding support 23 is horizontally provided with a lateral propping hydraulic cylinder 26, the sliding support 23 is fixedly provided with a lateral support seat 27, the lateral propping hydraulic cylinder 26 is fixedly connected with the lateral support seat 27, the left end of a piston rod of the lateral propping hydraulic cylinder 26 forms a free extrusion end so as to be beneficial to positioning and extruding the left side surface of a workpiece through the piston rod of the lateral propping hydraulic cylinder, the lower end of the left side upright post 20 is provided with a bottom left propping mechanism 3, the lower end of the left side upright post 20 is provided with a piston rod through hole, the bottom left side propping mechanism 3 comprises a bottom propping hydraulic cylinder 28, a hydraulic cylinder, the left side of the left side upright post 20 is provided with a hydraulic cylinder supporting seat 29, the right side of the left side upright post 20 is provided with a bottom guide rail supporting seat 30, the hydraulic cylinder supporting seat 29 and the bottom guide rail supporting seat 30 are respectively and fixedly connected with a welding platform, the bottom jacking hydraulic cylinder 28 is arranged on the hydraulic cylinder supporting seat 29 and fixedly connected with the hydraulic cylinder supporting seat 29, a piston rod of the bottom jacking hydraulic cylinder 28 penetrates through a piston rod perforation of the left side upright post 20 and is fixedly connected with a jacking block 31, the lower end of the jacking block 31 is arranged on the bottom guide rail supporting seat 30, a guide rail is arranged on the bottom guide rail supporting seat 30, the jacking block 31 is in sliding connection with the bottom guide rail supporting seat 30 so as to be favorable for placing channel type workpieces on the bottom guide rail supporting seat, the bottom jacking hydraulic cylinder drives the jacking block to move left and right through the piston rod and is used for positioning and extruding the left side surface, the top left pressing mechanism 5 comprises a slewing bearing, a fixed sliding sleeve 32, a sliding sleeve 33, a sliding support 34 and a left top pressing hydraulic cylinder 35, the upper end of the left upright post 20 is provided with a fixed sliding sleeve 32, the lower end of the fixed sliding sleeve 32 is connected with the left upright post 20 through a slewing bearing 17, a sliding sleeve 33 is transversely arranged in the fixed sliding sleeve 32, the sliding sleeve 33 is connected with the fixed sliding sleeve 32 in a sliding way, a sliding support 34 is transversely arranged in the sliding sleeve 33, the sliding support 34 is connected with the sliding sleeve 33 in a sliding way, a left top pressing hydraulic cylinder 35 is arranged on one side of the sliding support 34, a hydraulic cylinder seat of the left top pressing hydraulic cylinder 35 is fixedly connected with the sliding support 34, a piston rod of the left top pressing hydraulic cylinder 35 downwards forms a free pressing end, so as to be favorable for driving the piston rod to extend downwards to press the top of the workpiece on the welding platform.

The lower end of the left top pressing hydraulic cylinder 35 and the lower end of the right top pressing hydraulic cylinder 19 are respectively provided with a pressing guide mechanism 36, the pressing guide mechanism 36 comprises a hydraulic support plate 37, a pressing guide block 38, a sliding bearing and a pressing shaft 39, one side of the sliding support 34 is fixedly provided with the hydraulic support plate 37 and the pressing guide block 38 at intervals, one side of the right side hydraulic cylinder mounting seat 18 is fixedly provided with the hydraulic support plate 37 and the pressing guide block 38 at intervals, the right side top pressing hydraulic cylinder 19 or the left side top pressing hydraulic cylinder 35 is fixedly connected with the hydraulic support plate 37, the upper end of the pressing shaft 39 penetrates through the pressing guide block 38 and is fixedly connected with the lower end of the piston rod of the right side top pressing hydraulic cylinder 19 or the left side top pressing hydraulic cylinder 35, the pressing shaft 39 is connected with the pressing guide block 38 through the sliding bearing, the lower end of the pressing shaft 39 forms a free pressing end so as to be conductive to guide for the pressing shaft through the pressing wire block, meanwhile, the top of the workpiece is pressed by driving a pressing shaft to move up and down through a piston rod of a right top pressing hydraulic cylinder or a left top pressing hydraulic cylinder.

The sliding support 23 is provided with a left guide mechanism 40, the left guide mechanism 40 comprises a side guide block 41, a sliding bearing and a side pressing shaft 42, the right side of the side support seat 27 is provided with the side guide block 41, the side guide block 41 is fixedly connected with the sliding support 23, the sliding bearing is arranged in the middle of the side guide block 41, one end of the side pressing shaft 42 is fixedly connected with a piston rod of a side jacking hydraulic cylinder 26, the other end of the side pressing shaft penetrates through the side guide block 41 to be arranged on the right side of the left upright post 20, and the side pressing shaft 42 is in sliding connection with the side guide block 41 through the sliding bearing, so that the side pressing shaft is supported and guided through the guide block.

The invention is characterized in that the fixed sliding sleeve 32 and the sliding sleeve 33 are respectively provided with a locking mechanism 45, the locking mechanism 45 comprises a knob 46, a screw and a baffle, the knob 46 is arranged outside the fixed sliding sleeve 32, the baffle is arranged between the inner wall of the fixed sliding sleeve 32 and the outer wall of the sliding sleeve 33, the knob 46 is arranged outside one end of the sliding sleeve 33, the baffle is arranged between the inner wall of the sliding sleeve 33 and the outer wall of the sliding support 34, one end of the screw is fixedly connected with the knob 46, the other end of the screw passes through the fixed sliding sleeve 32 or the sliding sleeve 33 and is fixedly connected with the baffle, the screw is in threaded connection with the fixed sliding sleeve 32 or the sliding sleeve 33, so that when the sliding sleeve moves to a proper position, the knob is rotated, a gasket is abutted against the outer wall of the sliding sleeve to fix the position of the sliding sleeve, when the sliding support moves to a, and then the position of the left top pressing hydraulic cylinder is fixed.

The outer wall of the left end and the outer wall of the right end of the sliding sleeve 33 are respectively provided with a limiting block 43, the outer wall of the left end and the outer wall of the right end of the sliding support 34 are respectively provided with a limiting block 43, and the limiting blocks 43 are fixedly connected with the sliding sleeve 33 or the sliding support 34, so that the limit of the stroke of the sliding sleeve and the sliding support moving left and right can be facilitated through the limiting blocks, and the sliding sleeve can be prevented from sliding out of the fixed sliding sleeve and the sliding.

The handles 44 are respectively arranged on one side of the outer wall of the sliding sleeve 33 and one side of the outer wall of the sliding support 34, and the handles 44 are fixedly connected with the sliding sleeve 33 or the sliding support 34, so that the sliding sleeve or the sliding support is driven to move by pulling the handles, and the position of the hydraulic cylinder pressed down at the top of the left side is changed.

As shown in attached drawings 1-11, in the assembly welding process of channel workpieces, the positioning and clamping of workpieces with different dimensions can be realized, before the positioning and clamping device is used, all mechanisms in the left positioning and extruding mechanism 1 are adjusted to reverse limit positions, the fixed sliding sleeve 32 of the top left pressing mechanism 5 in the left positioning and extruding mechanism 1 is rotated through a slewing bearing, so that the left top pressing hydraulic cylinder 35 is rotated to the left side of the left upright post 20, the right hydraulic cylinder mounting seat 18 of the top right pressing mechanism 8 in the right positioning and extruding mechanism 2 is rotated, so that the right top pressing hydraulic cylinder 19 is rotated to the right side of the right upright post 9, and the interference in the subsequent assembly process is prevented,

when the assembly is carried out, firstly, the positioning and clamping of the bottom part of the channel-type workpiece 100 are carried out: referring to fig. 1, 8 and 9, the distance between the bottom left tightening mechanism 3 and the bottom right positioning mechanism 6 is adjusted according to the width of the bottom part of the channel-type workpiece 100, specifically, the bottom plate right positioning seat 14 is first fixed on the welding platform through screws and mounting holes, then the bottom part right end of the channel-type workpiece 100 is placed on the bottom support plate 15, the right side of the bottom part of the channel-type workpiece 100 is leaned on the right limiting plate 16, as shown in fig. 3, 4 and 7, then the bottom part left end of the channel-type workpiece 100 is placed on the bottom rail support 30 of the bottom left tightening mechanism 3, the left side of the bottom part of the channel-type workpiece 100 is leaned on the tightening block 31, so as to ensure that the channel-type workpiece 100 is placed stably, and the tightening block 31 can be driven by the bottom tightening cylinder 28 to cooperate with the bottom plate right positioning seat 14 to clamp the bottom part of the channel-type workpiece 100, thereby fixing the bottom guide rail support 30 and the hydraulic cylinder support seat 29 of the bottom left jacking mechanism 3 on the welding platform through screws and mounting holes respectively,

secondly, positioning and clamping of the two side parts of the channel-type workpiece 100: referring to fig. 8, 9 and 11, the right positioning push rod 12 of the right side positioning mechanism 7 is pressed against the outer wall of the right part of the channel workpiece, so that the lower end of the right upright 9 is fixed on the welding platform through screws and mounting holes, referring to fig. 3, 4 and 6, the side pressing shaft 42 of the left side pressing mechanism 4 is pressed against the outer wall of the left part of the channel workpiece, so that the lower end of the left upright 20 is fixed on the welding platform through screws and mounting holes, the side pressing shaft 42 is driven by the side pressing hydraulic cylinder 26 to move rightwards to match with the right positioning push rod 12 to position and clamp the two side parts of the channel workpiece 100,

finally, the positioning and clamping of the top part of the channel-like workpiece 100: referring to fig. 3, 4 and 5, the left top pressing hydraulic cylinder 35 of the top left pressing mechanism 5 is rotated to the right of the left upright post 20 through the pivoting support, so that the lower end of the left top pressing hydraulic cylinder 35 faces the top member of the channel-type workpiece 100, then the left top pressing hydraulic cylinder 35 is driven, so that the pressing shaft 39 at the lower end of the left top pressing hydraulic cylinder 35 abuts against the outer wall of the top member of the channel-type workpiece 100, as shown in fig. 8, 9 and 10, then the right top pressing hydraulic cylinder 19 of the top right pressing mechanism 8 is rotated to the left of the right upright post through the pivoting support, the knob 46 of the locking mechanism 45 on the fixed sliding sleeve 32 and the sliding sleeve 33 is rotated, the sliding sleeve 33 and the sliding support 34 are pulled by the handle 44, the positions of the sliding sleeve 33 and the sliding support 34 are adjusted, so that the lower end of the right top pressing hydraulic cylinder 19 faces the top member of the channel-type workpiece 100, then, the knob 46 is locked, and the right top pressing hydraulic cylinder 19 is driven, so that the pressing shaft 39 at the lower end of the right top pressing hydraulic cylinder 19 abuts against the outer wall of the top part of the channel workpiece 100, and therefore synchronous positioning and clamping of the bottom part, the two side parts and the top part of the channel workpiece 100 are achieved; because the channel is usually very long, the parts on both sides are relatively long, a plurality of groups of left positioning extrusion mechanisms 1 and right positioning extrusion mechanisms 2 can be arranged on both sides of the channel as required, the bottom top tightening hydraulic cylinder 28 drives the tightening block 31 and the bottom right positioning seat 14 to be matched with the bottom part of the positioning and clamping channel type workpiece 100, the side tightening hydraulic cylinder 26 drives the side pressing shaft 42 and the right positioning ejector rod 12 to be matched with the two side parts of the positioning and clamping channel type workpiece 100, the left top pressing hydraulic cylinder 35 and the right top pressing hydraulic cylinder 19 drive the pressing shaft 39 at the lower ends thereof to be matched with the bottom guide rail support 30 and the bottom support plate 15 to position and clamp the top part of the clamping channel type workpiece 100, so that the positioning and clamping of all parts of the whole channel type workpiece 100 are completed, the hydraulic cylinders are provided with control starting switches, and after the process is completed, welding all welding seams are started, after welding, the left top pressing hydraulic cylinder 35 and the right top pressing hydraulic cylinder 19 drive the pressing shafts 39 at the lower ends of the left top pressing hydraulic cylinder 35 and the right top pressing hydraulic cylinder 19 to ascend and separate from the outer wall of the top part of the channel workpiece 100, then the left top pressing hydraulic cylinder 35 is rotated to the left side of the left upright post 20 through the slewing bearing, the right top pressing hydraulic cylinder 19 is rotated to the right side of the right upright post 9, the side pressing hydraulic cylinder 26 drives the side pressing shaft 42 to be far away from the outer wall of the left part of the channel workpiece 100, the bottom top pressing hydraulic cylinder 28 drives the pressing block 31 to be far away from the bottom part of the channel workpiece 100, the channel workpiece 100 is lifted out of the tool, and the manufacturing process is completed.

As shown in fig. 3, 7 and 8, the bottom right side positioning seat 14, the right side upright post 9, the left side upright post 20, the hydraulic cylinder supporting seat 29 and the bottom guide rail support 30 are all provided with mounting holes, and are fixedly connected with the welding platform through the mounting holes and screws, the screws are connected, the assembly and disassembly are convenient, the distance between the bottom right side positioning seat 14 and the bottom guide rail support 30 and the distance between the right side upright post 9 and the left side upright post 20 can be changed according to the size of a channel workpiece, and therefore the positioning and clamping of different workpiece sizes are achieved, and the applicability is wide.

Claims

1. The utility model provides a positioning and clamping device with adjustable, includes welded platform, its characterized in that: the welding platform is provided with a left positioning extrusion mechanism and a right positioning extrusion mechanism at intervals, the left positioning extrusion mechanism comprises a bottom left side jacking mechanism, a left side jacking mechanism and a top left side pressing mechanism, the lower end of the left side jacking mechanism is connected with the bottom left side jacking mechanism, the upper end of the left side jacking mechanism is connected with the top left side pressing mechanism, the left side jacking mechanism and the bottom left side jacking mechanism are respectively connected with the welding platform, the right positioning extrusion mechanism comprises a bottom right side positioning mechanism, a right side positioning mechanism and a top right side pressing mechanism, a bottom right side positioning mechanism is arranged below the right side positioning mechanism, the upper end of the right side positioning mechanism is connected with the top right side pressing mechanism, the lower end of the right side positioning mechanism and the bottom right side positioning mechanism are respectively connected with the welding platform, and the bottom right side positioning mechanism and the bottom left side jacking mechanism are opposite at intervals, the bottom of a workpiece on the welding platform is positioned and clamped, the right side edge positioning mechanism and the left side edge jacking mechanism are opposite in interval, two sides of the workpiece on the welding platform are positioned and clamped, the top right side pressing mechanism and the top left side pressing mechanism are arranged at intervals, and the top of the workpiece on the welding platform is positioned and pressed.

2. The adjustable locating and clamping device of claim 1, wherein: the right side edge positioning mechanism comprises a right side upright post, a right side mounting seat, a fixed block, a right side positioning ejector rod and a positioning pin, the lower end of the right side upright post is fixedly connected with the welding platform, the right side mounting seat is arranged in front of the right side upright post from top to bottom at intervals, the right side mounting seat is fixedly connected with the right side upright post, the fixed block is fixedly provided with a fixed block, the fixed block is transversely provided with an ejector rod perforation, the upper end surface of the fixed block is provided with a pin hole, the ejector rod perforation is communicated with the pin hole, the outer wall of the right side positioning ejector rod is provided with a positioning pin hole, the right end of the right side positioning ejector rod penetrates through the fixed block, penetrates through the pin hole and enters the positioning pin hole through the positioning pin to fixedly connect the right side positioning ejector rod with the, bottom right side positioning seat includes bottom sprag board and right side limiting plate, be equipped with the right side limiting plate in the middle of the bottom sprag board or on the right side, bottom sprag board lower extreme and welded platform fixed connection, upper end and the perpendicular fixed connection of right side limiting plate lower extreme, right side stand upper end is equipped with top right side and pushes down the mechanism, top right side pushes down the mechanism and includes slewing bearing, right side hydraulic cylinder mount pad and right side top and pushes down the hydraulic cylinder, right side stand upper end is connected with right side hydraulic cylinder mount pad through slewing bearing, right side hydraulic cylinder mount pad one side is equipped with right side top and pushes down the hydraulic cylinder, the hydraulic cylinder seat and the right side hydraulic cylinder mount pad fixed connection of right side top hydraulic cylinder are pushed down, the piston rod of right side top hydraulic cylinder forms freely pushing down the end downwards.

3. The adjustable locating and clamping device of claim 2, wherein: the left side edge jacking mechanism comprises a left side upright post, a left side mounting seat, an adjusting screw rod, a sliding support, a screw seat, a boss, a bearing, a side surface jacking hydraulic cylinder and a side surface supporting seat, wherein the left side mounting seat is arranged in front of the left side upright post, the lower end of the left side upright post is fixedly connected with the welding platform, the adjusting screw rod is arranged in front of the left side upright post, the left side mounting seat is fixedly connected with the left side upright post, a longitudinal guide rail is fixedly arranged on the left side mounting seat, the sliding support is arranged on the left side mounting seat and is in sliding connection with the left side mounting seat, the screw seat is arranged on the sliding support and is fixedly connected with the sliding support, the boss is arranged above the screw seat and is fixedly connected with the left side mounting seat, one end of the adjusting screw rod is connected with the boss through the bearing, and the other end of the, the hydraulic cylinder supporting device is characterized in that a side propping hydraulic cylinder is horizontally arranged on the sliding support, a side supporting seat is fixedly arranged on the sliding support, the side propping hydraulic cylinder is fixedly connected with the side supporting seat, the left end of a piston rod of the side propping hydraulic cylinder forms a free extrusion end, a bottom left propping mechanism is arranged at the lower end of a left side upright post, a piston rod perforation is arranged at the lower end of the left side upright post, the bottom left propping mechanism comprises a bottom propping hydraulic cylinder, a hydraulic cylinder supporting seat, a bottom guide rail support and a propping block, the left side upright post is provided with the hydraulic cylinder supporting seat on the left side, the right side of the left side upright post is provided with the bottom guide rail support, the hydraulic cylinder supporting seat and the bottom guide rail support are respectively and fixedly connected with a welding platform, the bottom propping hydraulic cylinder is arranged on the hydraulic cylinder supporting seat and is fixedly connected with the hydraulic cylinder supporting seat, and the piston rod, the lower end of the jacking block is arranged on a bottom guide rail support, a guide rail is arranged on the bottom guide rail support, the jacking block is connected with the bottom guide rail support in a sliding way, the upper end of the left upright post is provided with a top left pressing mechanism, the top left pressing mechanism comprises a slewing bearing, a fixed sliding sleeve, a sliding sleeve, a sliding support and a left top pressing hydraulic cylinder, the upper end of the left upright post is provided with a fixed sliding sleeve, the lower end of the fixed sliding sleeve is connected with the left upright post through a slewing bearing, a sliding sleeve is transversely arranged in the fixed sliding sleeve and is connected with the fixed sliding sleeve in a sliding way, a sliding support is transversely arranged in the sliding sleeve and is connected with the sliding sleeve in a sliding way, a left side top pressing hydraulic cylinder is arranged on one side of the sliding support, a hydraulic cylinder seat of the left side top pressing hydraulic cylinder is fixedly connected with the sliding support, and a piston rod of the left side top pressing hydraulic cylinder downwards forms a free pressing end.

4. An adjustable locating and clamping device as claimed in claim 3, wherein: the left side top pushes down hydraulic cylinder lower extreme and right side top and pushes down the hydraulic cylinder lower extreme and be equipped with respectively and push down guiding mechanism, it includes hydraulic pressure extension board, pushes down guide block, slide bearing and pushes down the compact axle to push down guiding mechanism, sliding support one side interval is fixed and is equipped with hydraulic pressure extension board and pushes down the guide block, right side hydraulic cylinder mount pad one side interval is fixed and is equipped with hydraulic pressure extension board and pushes down the guide block, right side top pushes down hydraulic cylinder or left side top and pushes down hydraulic pressure extension board fixed connection, push down the compact axle upper end and pass and push down the guide block and push down the piston rod lower extreme fixed connection of hydraulic cylinder or left side top push down hydraulic cylinder, push down the compact axle and be connected with the guide block that pushes down through the slide bearing, the lower extreme of push down the compact axle forms free push down the end.

5. An adjustable clamp assembly according to claim 3 or 4, wherein: be equipped with left side guiding mechanism on the sliding support, left side guiding mechanism includes side guide block, slide bearing and side hold-down shaft, the right-hand side guide block that is equipped with of side supporting seat, side guide block and sliding support fixed connection, be equipped with slide bearing in the middle of the side guide block, the piston rod fixed connection of tight hydraulic cylinder in side hold-down shaft one end and side top, the other end passes the side guide block and arranges the stand right side in, the side hold-down shaft is through slide bearing and side guide block sliding connection.

6. The adjustable locating and clamping device of claim 5, wherein: the locking mechanism is arranged on the fixed sliding sleeve and the sliding sleeve respectively, the locking mechanism comprises a knob, a screw rod and a blocking piece, the knob is arranged on the outer side of the fixed sliding sleeve, the blocking piece is arranged between the inner wall of the fixed sliding sleeve and the outer wall of the sliding sleeve, the knob is arranged on the outer side of one end of the sliding sleeve, the blocking piece is arranged between the inner wall of the sliding sleeve and the outer wall of the sliding support, one end of the screw rod is fixedly connected with the knob, the other end of the screw rod penetrates through the fixed sliding sleeve or the sliding sleeve and is fixedly connected with.

7. An adjustable clamp assembly according to claim 3 or 4 or 6 wherein: the outer wall of the left end and the outer wall of the right end of the sliding sleeve are respectively provided with a limiting block, the outer wall of the left end and the outer wall of the right end of the sliding support are respectively provided with a limiting block, and the limiting blocks are fixedly connected with the sliding sleeve or the sliding support.

8. The adjustable locating and clamping device of claim 7, wherein: and handles are respectively arranged on one side of the outer wall of the sliding sleeve and one side of the outer wall of the sliding support, and the handles are fixedly connected with the sliding sleeve or the sliding support.