CN114193198A

CN114193198A - Stable clamping device for top cover

Info

Publication number: CN114193198A
Application number: CN202111450994.3A
Authority: CN
Inventors: 钱晓军; 范冬萍; 刘日晨
Original assignee: Suzhou Nanshi University Science Park Investment Management Co ltd; Nanjing Normal University
Current assignee: Suzhou Nanshi University Science Park Investment Management Co ltd; Nanjing Normal University
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-18

Abstract

The invention discloses a stable clamping device for a top cover, which comprises a bottom plate, an upper top driving mechanism and a movable pressing mechanism. The stable clamping device for the top cover can clamp and press the top cover with non-uniform positioning reference by matching the movable pressing mechanism with the upper top driving mechanism, so that positioning and clamping are performed, and investment on hardware equipment and use of field area can be greatly reduced in production; utilize horizontal translation mechanism to adjust the position that removes the pressing unit on the bottom plate to accurate pressing can realize carrying out the centre gripping to the top cap of different models simultaneously on the roof, reinforcing commonality.

Description

Stable clamping device for top cover

Technical Field

The invention relates to a clamping device, in particular to a stable clamping device for a top cover.

Background

The car top cap is the apron at carriage top, and the surface receives damages such as colliding with, fish tail because of being difficult to the centre gripping production easily in the course of working of top cap, and the top cap leads to fixing a position inaccurate difficult to process because of the location benchmark is non-uniform simultaneously, and the manipulator can't carry out the operation to the top cap. Therefore, it is necessary to develop a stable clamping device for the top cover to stably clamp the top cover.

Disclosure of Invention

The purpose of the invention is as follows: the stable clamping device for the top cover can stably clamp the top cover.

The technical scheme is as follows: the invention relates to a stable clamping device for a top cover, which comprises a bottom plate, an upper top driving mechanism and a movable pressing mechanism, wherein the bottom plate is provided with a clamping groove; the upper pushing driving mechanism comprises a sliding rail driving mechanism and four upper pushing units, the four upper pushing units and the sliding rail driving mechanism are all arranged on the bottom plate, and the sliding rail driving mechanism drives the four upper pushing units to carry out fixed-point support on the lower side surface of the top cover; the movable pressing mechanism comprises four transverse translation mechanisms and four movable pressing units; the movable pressing unit comprises a position adjusting structure, a lifting adjusting structure and a swinging pressing structure; the four transverse translation mechanisms are respectively installed at the left edge and the right edge of the bottom plate in pairs; the position adjusting structures of the four movable pressing units are respectively installed on the four transverse translation mechanisms, the lifting adjusting structure is installed on the position adjusting structure, the swinging pressing structure is installed on the lifting adjusting structure, the transverse translation mechanisms drive the position adjusting structure to transversely move, the position adjusting structure adjusts the horizontal position of the lifting adjusting structure, the height of the swinging pressing structure is adjusted by the lifting adjusting structure, and the swinging pressing structure is used for pressing the upper side face of the top cover at a fixed point.

Further, the upper jacking unit comprises an upper jacking support, an upper jacking strut, two upper jacking slide rails and two upper jacking rods; the upper top supports are arranged on the upper side surface of the bottom plate, and the upper top supports of the four upper top units are all positioned in the middle of the bottom plate; a sliding rail driving sliding chute is longitudinally arranged on the upper side surface of the upper top support; the two upper top sliding rails longitudinally walk on the sliding rail driving sliding grooves through the sliding rail rollers; the lower end of the upper top strut is fixed in the middle of the bottom of the sliding rail driving sliding chute; an upper layer bracket is fixed at the upper end of the upper top pillar, and a lower layer bracket is fixed in the middle of the upper top pillar; the two upper ejector rods are vertically inserted on the upper layer bracket and the lower layer bracket and are respectively positioned at the left side and the right side of the upper ejection strut; the upper side surface of the upper jacking sliding rail is provided with a step surface consisting of a plurality of gentle transition steps, and an upper jacking roller groove is longitudinally arranged on the step surface; the lower ends of the two upper ejector rods are respectively provided with an upper ejector roller through a roller mounting seat; the two upper jacking rollers respectively walk on the upper jacking roller grooves on the corresponding sides, and the upper jacking roller grooves drive the upper jacking rollers to move downwards in the longitudinal movement; an upper ejection rubber head is arranged at the upper end of each of the two upper ejection rods.

Further, the slide rail driving mechanism comprises a slide rail driving motor and two synchronous driving rods; the slide rail driving motor is arranged on the upper side surface of the bottom plate; a slide rail driving screw rod is longitudinally butted on an output shaft of the slide rail driving motor; the two synchronous driving rods are screwed on the slide rail driving screw rod in a threaded manner; the front ends of the four upward-pushing sliding rails on the front side are all fixed on the synchronous driving rod on the front side, and the front ends of the four upward-pushing sliding rails on the rear side are all fixed on the synchronous driving rod on the rear side.

Further, the transverse translation mechanism comprises a transverse translation motor, a transverse translation plate and a translation driving screw rod; four top corners of the lower side surface of the transverse translation plate are respectively provided with a transverse translation roller which runs on the upper side surface of the bottom plate; the transverse translation motor is arranged on the upper side surface of the bottom plate, and an output shaft of the transverse translation motor is transversely arranged; a rotary support is arranged on the lower side surface of the transverse translation plate; one end of the translation driving screw rod is in butt joint with an output shaft of the transverse translation motor, and the other end of the translation driving screw rod is screwed on the rotary support.

Further, the position adjusting structure comprises a transverse adjusting mechanism and a longitudinal adjusting mechanism; the longitudinal adjusting mechanism comprises a longitudinal adjusting motor, a longitudinal adjusting screw rod and a longitudinal adjusting seat; a longitudinal adjusting hole is longitudinally arranged on the transverse translation plate; the hole walls of the left side and the right side of the longitudinal adjusting hole are respectively provided with a longitudinal roller groove; a plurality of longitudinal adjusting rollers walking on the longitudinal roller grooves on the corresponding side are arranged on the left side surface and the right side surface of the longitudinal adjusting seat; the longitudinal adjusting motor is arranged on the lower side surface of the transverse translation plate, and an output shaft of the longitudinal adjusting motor is longitudinally arranged; one end of the longitudinal adjusting screw rod is in butt joint with an output shaft of the longitudinal adjusting motor, and the other end of the longitudinal adjusting screw rod is screwed on the longitudinal adjusting seat.

Further, the transverse adjusting mechanism comprises a transverse adjusting plate, a transverse adjusting motor and a transverse adjusting screw rod; a transverse adjusting hole is transversely arranged on the longitudinal adjusting seat; a transverse roller groove is formed in each of the front hole wall and the rear hole wall of each transverse adjusting hole; the transverse adjusting plate transversely walks on the transverse roller groove through a plurality of transverse adjusting rollers; a transverse adjusting seat is arranged on the lower side surface of the transverse adjusting plate; the transverse adjusting motor is arranged on the longitudinal adjusting seat, and an output shaft of the transverse adjusting motor transversely penetrates through the longitudinal adjusting seat; one end of the transverse adjusting screw rod is in butt joint with the output shaft penetrating end of the transverse adjusting motor, and the other end of the transverse adjusting screw rod is screwed on the transverse adjusting seat.

Furthermore, the lifting adjusting structure comprises an L-shaped bracket, a lifting driving motor, a lifting driving screw rod, a lifting driving platform and a limiting square pipe sleeve; the end part of the vertical section of the L-shaped bracket is fixed on the upper side surface of the transverse adjusting plate; the limiting square pipe sleeve is slidably sleeved on the vertical section of the L-shaped bracket; one side edge of the lifting driving platform is fixed on the limiting square pipe sleeve, and the lifting driving platform is positioned below the horizontal section of the L-shaped support; the lower end of the lifting driving screw rod is rotatably arranged on the upper side surface of the transverse adjusting plate, the upper end of the lifting driving screw rod is rotatably arranged on the lower side surface of the horizontal section of the L-shaped bracket, and the lifting driving screw rod is screwed on the lifting driving platform; the lifting driving motor is arranged on the vertical section of the L-shaped bracket; a driving bevel gear is arranged on an output shaft of the lifting driving motor, and a driven bevel gear meshed with the driving bevel gear is arranged on the lifting driving screw rod; the swinging pressing structure is arranged on the lifting driving platform.

Furthermore, the swinging pressing structure comprises an air cylinder, a pressing swing arm and a supporting rod; the lower end of the supporting rod is fixed on the upper side surface of the lifting driving platform; the cylinder is hinged on the supporting rod through the fixed support; the middle part of the pressing swing arm is hinged on the upper end of the supporting rod, and the driving end of the pressing swing arm is hinged on the end part of the piston rod of the air cylinder; the pressing end of the pressing swing arm extends to the middle part of the bottom plate, and a driving pressing head is arranged on the pressing end of the pressing swing arm; an end part notch is arranged at the end part of the horizontal section of the L-shaped bracket, and the supporting rod is clamped on the end part notch in a sliding way.

Furthermore, a fixed buffer column is arranged on the upper side surface of the horizontal section of the L-shaped bracket; a buffer rubber pad is arranged at the upper end of the fixed buffer column; and a swing arm buffer column used for pressing the buffer rubber pad is arranged on the lower side surface of the pressing swing arm.

Furthermore, the driving pressing head comprises a fan-shaped shell, a pressing driving motor, a pressing driving worm, a pressing driven worm wheel, two pressing driving cams, two reset tension springs and two pressing guide pillars; the side surface of the radius of one side of the fan-shaped shell is fixed on the pressing end of the pressing swing arm; the pressing driving motor is arranged on the fan-shaped shell, and an output shaft of the pressing driving motor extends into the fan-shaped shell; the pressing driving worm is arranged on the extending end of the output shaft of the pressing driving motor; the two pressing driving cams and the pressing driven worm wheel are coaxially and rotatably arranged in the fan-shaped shell, and the pressing driven worm wheel is meshed with the pressing driving worm; two pressing guide sleeves are fixed on the arc-shaped side wall of the fan-shaped shell in a penetrating manner; the two pressing guide posts are respectively inserted on the two pressing guide sleeves, and one end of each pressing guide post extends into the fan-shaped shell; the extending ends of the two pressing guide columns are respectively provided with a cam roller, and the two cam rollers are respectively matched with the two pressing driving cams; pressing limiting grooves are formed in the two pressing guide columns along the length direction; the inner walls of the two pressing guide sleeves are respectively provided with a pressing limiting block matched with the corresponding pressing limiting groove; an extrusion wafer is coaxially fixed at the other end of each of the two pressing guide columns; extrusion rings are coaxially fixed at the end parts of the two pressing guide sleeves outside the fan-shaped shell; the two reset tension springs are respectively sleeved on the two pressing guide pillars, and two ends of each reset tension spring are connected and fixed to the extrusion ring and the extrusion wafer; and the two extrusion wafers are respectively provided with a downward pressing rubber head.

Compared with the prior art, the invention has the beneficial effects that: the movable pressing mechanism is matched with the upper top driving mechanism to clamp and press the top cover with a non-uniform positioning reference, so that positioning and clamping are performed, and investment on hardware equipment and use of field area can be greatly reduced in production; utilize horizontal translation mechanism to adjust the position that removes the pressing unit on the bottom plate to accurate pressing can realize carrying out the centre gripping to the top cap of different models simultaneously on the roof, reinforcing commonality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the moving press mechanism of the present invention;

FIG. 3 is a cross-sectional view of the ceiling unit of the present invention;

FIG. 4 is a cross-sectional view of the pressing head of the present invention.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example 1:

as shown in fig. 1-4, the stable clamping device for the top cover disclosed by the invention comprises a bottom plate 1, an upper top driving mechanism and a movable pressing mechanism; the upper pushing driving mechanism comprises a sliding rail driving mechanism and four upper pushing units, the four upper pushing units and the sliding rail driving mechanism are all arranged on the bottom plate 1, and the sliding rail driving mechanism drives the four upper pushing units to carry out fixed-point support on the lower side surface of the top cover; the movable pressing mechanism comprises four transverse translation mechanisms and four movable pressing units; the movable pressing unit comprises a position adjusting structure, a lifting adjusting structure and a swinging pressing structure; the four transverse translation mechanisms are respectively installed at the left edge and the right edge of the bottom plate 1 in pairs; the position adjusting structures of the four movable pressing units are respectively arranged on the four transverse translation mechanisms, the lifting adjusting structure is arranged on the position adjusting structure, the swinging pressing structure is arranged on the lifting adjusting structure, the transverse translation mechanism drives the position adjusting structure to transversely move, the position adjusting structure adjusts the horizontal position of the lifting adjusting structure, the lifting adjusting structure adjusts the height of the swinging pressing structure, and the swinging pressing structure is used for pressing the upper side surface of the top cover at a fixed point; a plurality of floor supports 2 are fixed to the lower side of the floor 1, and a support plate 3 is provided on the lower side of each floor support 2.

The movable pressing mechanism is matched with the upper top driving mechanism to clamp and press the top cover with a non-uniform positioning reference, so that positioning and clamping are performed, and investment on hardware equipment and use of field area can be greatly reduced in production; utilize horizontal translation mechanism to adjust the position that removes the pressing unit on bottom plate 1 to accurate pressing can be realized carrying out the centre gripping to the top cap of different models simultaneously on the roof, reinforcing commonality.

Further, the upper jacking unit comprises an upper jacking support 43, an upper jacking strut 51, two upper jacking sliding rails 46 and two upper jacking rods 54; the upper top support 43 is arranged on the upper side surface of the bottom plate 1, and the upper top supports 43 of the four upper top units are all positioned in the middle of the bottom plate 1; a slide rail driving sliding groove 44 is longitudinally arranged on the upper side surface of the upper top support 43; a walking roller groove 45 is arranged on the left and right groove walls of the slide rail driving chute 44; the two upper top sliding rails 46 longitudinally run on the sliding rail driving sliding grooves 44 through sliding rail rollers 47, and the sliding rail roller 47 on the left side of the left upper top sliding rail 46 and the sliding rail roller 47 on the right side of the right upper top sliding rail 46 respectively run on the running roller grooves 45 on the corresponding sides; the lower end of the upper top strut 51 is fixed in the middle of the bottom of the slide rail driving slide groove 44; an upper layer bracket 53 is fixed at the upper end of the upper top pillar 51, and a lower layer bracket 52 is fixed in the middle of the upper top pillar 51; the two upper top rods 54 are vertically inserted on the upper layer bracket 53 and the lower layer bracket 52, and the two upper top rods 54 are respectively positioned at the left side and the right side of the upper top strut 51; a rotary limiting groove 55 is vertically arranged on the upper sides of the two upper mandrils 54; a rotation limiting block matched with the rotation limiting groove 55 is arranged on the upper layer bracket 53; the upper side surface of the upper top sliding rail 46 is provided with a step surface consisting of a plurality of gentle transition steps, and an upper top roller groove 48 is longitudinally arranged on the step surface; the lower ends of the two upper mandrils 54 are provided with upper mandrils 49 through roller mounting seats; the two upper top rollers 49 respectively walk on the upper top roller grooves 48 on the corresponding sides, and the upper top roller grooves 48 drive the upper top rollers 49 to move downwards in the longitudinal movement; an upper ram rubber head 56 is mounted on the upper ends of both upper rams 54.

The friction between the upper top slide rail 46 and the bottom of the slide rail driving slide groove 44 is reduced by using each slide rail roller 47; the upper layer bracket 53 and the lower layer bracket 52 are arranged by utilizing the upper top strut 51, so that the two upper top rods 54 can be conveniently and vertically guided, and the lower side surface of the top cover can be supported at the top point; the vertical movement of the upper ejector rod 54 is ensured by the matching between the rotation limiting groove 55 and the rotation limiting block, so that the rotation is prevented; the upper top rubber head 56 is used for supporting the lower side surface of the top cover for flexible support, so that deformation caused by overlarge impact when the top cover is pressed by the swinging pressing structure is prevented; the friction between the upper mandril 54 and the upper jacking sliding rail 46 is reduced by using the upper jacking roller 49; the matching between the slide rail roller 47 and the walking roller groove 45 ensures that the two synchronous driving rods 42 drive the screw rod to move along the slide rail, so as to prevent rotation; the upper top roller grooves 48 with different heights are utilized to meet the supporting requirements of fixed points with different heights on the lower sides of top covers with different models, the supporting device is driven by the slide rail driving mechanism, height adjustment is achieved, and the universality of the clamping device is enhanced.

Further, the slide rail driving mechanism comprises a slide rail driving motor 41 and two synchronous driving rods 42; the slide rail driving motor 41 is arranged on the front side of the upper side surface of the bottom plate 1; a slide rail driving screw rod is longitudinally butted on an output shaft of the slide rail driving motor 41; the two synchronous driving rods 42 are screwed on the slide rail driving screw rod; the front ends of the four upper top sliding rails 46 on the front side are all fixed on the synchronous driving rod 42 on the front side, and the front ends of the four upper top sliding rails 46 on the rear side are all fixed on the synchronous driving rod 42 on the rear side.

The slide rail driving motor 41 is used for driving the slide rail driving screw rod to rotate, the slide rail driving screw rod drives the two synchronous driving rods 42 to longitudinally move, so that each upper ejector slide rail 46 moves back and forth along with the synchronous driving rods 42, and vertical driving of each upper ejector rod 54 is realized.

Further, the transverse translation mechanism comprises a transverse translation motor 5, a transverse translation plate 6 and a translation driving screw rod 7; a roller sliding groove 9 is transversely arranged on the upper side surface of the bottom plate 1; an L-shaped buckle 4 is fixed on the upper side surface of the bottom plate 1; the L-shaped buckle 4 is buckled on the front side edge of the transverse translation plate 6; four top corners of the lower side surface of the transverse translation plate 6 are respectively provided with a transverse translation roller 8 which runs on a corresponding side roller sliding groove 9; the transverse translation motor 5 is arranged on the upper side surface of the bottom plate 1, and an output shaft of the transverse translation motor 5 is transversely arranged; a rotary support 12 is arranged on the lower side surface of the transverse translation plate 6; one end of the translation driving screw rod 7 is butted on an output shaft of the transverse translation motor 5, and the other end is screwed on the rotary support 12.

The transverse translation plate 6 is subjected to motion limiting and guiding by utilizing the matching between the roller sliding groove 9 and the transverse translation roller 8 and the matching between the transverse translation plate 6 and the guide seat 4, so that the motion accuracy of the transverse translation plate 6 is ensured; the transverse translation motor 5 is used for driving the translation driving screw rod 7 to rotate, the transverse translation plate 6 is driven to transversely move along the roller sliding groove 9, and transverse adjustment of the swing pressing structure is achieved.

Further, the position adjusting structure comprises a transverse adjusting mechanism and a longitudinal adjusting mechanism; the longitudinal adjusting mechanism comprises a longitudinal adjusting motor 11, a longitudinal adjusting screw 23 and a longitudinal adjusting seat 10; a longitudinal adjusting hole 15 is longitudinally arranged on the transverse translation plate 6; a longitudinal roller groove 14 is formed on the left side wall and the right side wall of the longitudinal adjusting hole 15; a plurality of longitudinal adjusting rollers 13 which run on longitudinal roller grooves 14 on the corresponding side are arranged on the left side surface and the right side surface of the longitudinal adjusting seat 10; the longitudinal adjusting motor 11 is arranged on the lower side surface of the transverse translation plate 6, and an output shaft of the longitudinal adjusting motor 11 is longitudinally arranged; one end of the longitudinal adjusting screw 23 is butted on an output shaft of the longitudinal adjusting motor 11, and the other end is screwed on the longitudinal adjusting seat 10.

The longitudinal adjusting motor 11 is utilized to drive the longitudinal adjusting screw 23 to rotate, so as to drive the longitudinal adjusting seat 10 to move, and the longitudinal adjustment of the swinging pressing structure is realized; the friction force is reduced by the cooperation between the longitudinal roller groove 14 and the longitudinal adjusting roller 13, and the moving stability of the longitudinal adjusting seat 10 is enhanced.

Further, the transverse adjusting mechanism comprises a transverse adjusting plate 19, a transverse adjusting motor 16 and a transverse adjusting screw rod 22; a transverse adjusting hole 17 is transversely arranged on the longitudinal adjusting seat 10; a transverse roller groove 18 is arranged on the front hole wall and the rear hole wall of the transverse adjusting hole 17; the transverse adjusting plate 19 transversely runs on the transverse roller groove 18 through a plurality of transverse adjusting rollers 20; a transverse adjusting seat 21 is arranged on the lower side surface of the transverse adjusting plate 19; the transverse adjusting motor 16 is arranged on the longitudinal adjusting seat 10, and an output shaft of the transverse adjusting motor 16 transversely penetrates through the longitudinal adjusting seat 10; one end of the transverse adjusting screw rod 22 is butted on the output shaft penetrating end of the transverse adjusting motor 16, and the other end is screwed on the transverse adjusting seat 21.

The transverse adjusting motor 16 is used for driving the transverse adjusting screw rod 22 to rotate, so that the transverse adjusting plate 19 is driven to move, and the transverse adjustment of the position of the swinging pressing structure is realized; the stability of the movement of the lateral adjustment plate 19 is enhanced by the cooperation between the lateral adjustment roller 20 and the lateral roller groove 18.

Further, the lifting adjusting structure comprises an L-shaped bracket 28, a lifting driving motor 24, a lifting driving screw rod 25, a lifting driving platform 30 and a limiting square pipe sleeve 29; the end of the vertical section of the L-shaped bracket 28 is fixed on the upper side of the transverse adjusting plate 19; the limiting square pipe sleeve 29 is sleeved on the vertical section of the L-shaped bracket 28 in a sliding manner; a sliding limiting groove 31 is arranged on the vertical section of the L-shaped bracket 29; a limiting slide block matched with the sliding limiting groove 31 is arranged on the inner wall of the limiting square pipe sleeve 29; one side edge of the lifting driving platform 30 is fixed on the limiting square pipe sleeve 29, and the lifting driving platform 30 is positioned below the horizontal section of the L-shaped bracket 28; the lower end of the lifting driving screw rod 25 is rotatably arranged on the upper side surface of the transverse adjusting plate 19, the upper end of the lifting driving screw rod is rotatably arranged on the lower side surface of the horizontal section of the L-shaped bracket 28, and the lifting driving screw rod 25 is screwed on the lifting driving platform 30; the lifting drive motor 24 is mounted on the vertical section of the L-shaped bracket 28; a driving bevel gear 26 is arranged on an output shaft of the lifting driving motor 24, and a driven bevel gear 27 meshed with the driving bevel gear 26 is arranged on the lifting driving screw rod 25; the swing pressing structure is installed on the elevation driving platform 30.

A lifting driving motor 24 is used for driving a lifting driving screw rod 25 to rotate by meshing a driving bevel gear 26 and a driven bevel gear 27, and driving a lifting driving platform 30 to move up and down, so that the height position of the swinging and pressing structure is adjusted; the lifting driving platform 30 is ensured to move up and down along the lifting driving screw rod 25 by utilizing the matching between the limiting square pipe sleeve 29 and the vertical section of the L-shaped bracket 28; the stability of the movement of the lifting driving platform 30 is further enhanced by the cooperation between the sliding limiting groove 31 and the limiting slide block.

Further, the swing pressing structure comprises a cylinder 33, a pressing swing arm 35 and a support rod 34; the lower end of the supporting rod 34 is fixed on the upper side surface of the lifting driving platform 30; the cylinder 33 is hinged on the support rod 34 through the fixed support 32; the middle part of the pressing swing arm 35 is hinged on the upper end of the support rod 34, and the driving end of the pressing swing arm 35 is hinged on the end part of the piston rod of the air cylinder 33; the pressing end of the pressing swing arm 35 extends to the middle part of the bottom plate 1, and a driving pressing head is arranged on the pressing end of the pressing swing arm 35; an end notch 39 is arranged at the end part of the horizontal section of the L-shaped bracket 28, and the support rod 34 is clamped on the end notch 39 in a sliding way; the front side and the rear side of the supporting rod 34 are both vertically provided with a butt clamp groove 40; and opposite clamping slide blocks which are in sliding fit with the opposite clamping grooves 40 on the corresponding sides are arranged on the front groove surface and the rear groove surface of the end part notch 47.

The piston rod of the air cylinder 33 is used for driving the side pressing swing arm 35 to swing, so that the pressing head is driven to press the top cover on the top driving mechanism, and the top cover is clamped; the stability of the vertical movement of the support rod 34 is ensured by the cooperation between the butt clamp groove 40 and the butt clamp slider.

Further, a fixed buffer column 36 is arranged on the upper side surface of the horizontal section of the L-shaped bracket 28; a buffer rubber pad 38 is arranged on the upper end of the fixed buffer column 36; a swing arm cushion post 37 for pressing on a cushion rubber pad 38 is provided on the lower side surface of the pressing swing arm 35.

The buffering rubber pad 38 is used for buffering when the air cylinder 33 drives the pressing swing arm 35 to press, so that the driving pressing head is prevented from impacting the top cover to cause deformation or damage.

Further, the driving pressing head comprises a fan-shaped shell 58, a pressing driving motor 59, a pressing driving worm 60, a pressing driven worm wheel 61, two pressing driving cams 62, two return tension springs 67 and two pressing guide posts 64; one side of radius of the fan-shaped shell 58 is fixed on the pressing end of the pressing swing arm 35; the pressing driving motor 59 is arranged on the fan-shaped shell 58, and the output shaft of the pressing driving motor 59 extends into the fan-shaped shell 58; the pressing driving worm 60 is arranged on the extending end of the output shaft of the pressing driving motor 59; two pressing driving cams 62 and a pressing driven worm wheel 61 are coaxially and rotatably mounted in the fan-shaped housing 58, and the pressing driven worm wheel 61 is meshed with the pressing driving worm 60; two pressing guide sleeves 63 are fixed on the arc-shaped side wall of the fan-shaped shell 58 in a penetrating manner; the two pressing guide posts 64 are respectively inserted on the two pressing guide sleeves 63, and one end of each pressing guide post extends into the fan-shaped shell 58; a cam roller 66 is mounted on the extending ends of the two pressing guide posts 64, and the two cam rollers 66 are respectively matched with the two pressing driving cams 62; the two pressing guide posts 64 are provided with pressing limit grooves 69 along the length direction; the inner walls of the two pressing guide sleeves 63 are provided with pressing limit blocks matched with the corresponding pressing limit grooves 69; an extrusion wafer 70 is coaxially fixed on the other end of each of the two pressing guide posts 64; extrusion rings 68 are coaxially fixed on the end parts of the two pressing guide sleeves 63 outside the fan-shaped shell 58; the two reset tension springs 67 are respectively sleeved on the two pressing guide pillars 64, and two ends of the reset tension springs 67 are fixedly connected with the extrusion ring 68 and the extrusion wafer 70; a hold-down rubber head 65 is mounted on both of the extruded disks 70.

The two cam rollers 66 are respectively extruded by the two different pressing driving cams 62, so that the telescopic length of the two pressing guide columns 64 is adjusted, the pressing requirements of top covers of different models are met, and the universality of the clamping device is further enhanced; the pressing driving motor 59 is used for driving the pressing driving worm 60 to rotate so as to drive the pressing driven worm wheel 61 to rotate, the two pressing driving cams 62 rotate to drive the two pressing guide posts 64 to overcome the tension of the reset tension spring 67 and move along the two pressing guide sleeves 63, and therefore fixed-point pressing on the upper side face of the top cover is achieved; the pressing rubber head 65 is used for flexible pressing, so that deformation caused by overlarge impact during pressing is further prevented; the pressing guide post 64 is prevented from rotating by the cooperation between the pressing stopper groove 69 and the pressing stopper.

In the stable clamping device for the top cover provided by the invention, the slide rail driving motor 41, the transverse translation motor 5, the longitudinal adjusting motor 11, the transverse adjusting motor 16, the lifting driving motor 24 and the pressing driving motor 59 all adopt the existing stepping motors.

When the stable clamping device for the top cover is installed and used, firstly, the slide rail driving motor 41 drives the slide rail driving screw rod to rotate, the slide rail driving screw rod drives the two synchronous driving rods 42 to longitudinally move to drive each upper top slide rail 46 to longitudinally move, each upper ejector rod 54 vertically moves in the longitudinal movement of the upper top slide rail 46 to reach a required height, the lower side surface of the top cover is supported at a fixed point, and then the top cover is placed on each upper top rubber head 56;

then, a transverse translation motor 5 drives a translation driving screw rod 7 to rotate to drive a transverse translation plate 6 to move, a longitudinal adjusting motor 11 drives a longitudinal adjusting screw rod 23 to rotate to drive a longitudinal adjusting seat 10 to move, a transverse adjusting motor 16 drives a transverse adjusting screw rod 22 to rotate to drive a transverse adjusting plate 19 to move, and the position of the swinging pressing structure is adjusted until the position is adjusted to be suitable for clamping and pressing a top cover; then the lifting driving motor 24 drives the lifting driving screw rod 25 to rotate through a driving bevel gear 26 and a driven bevel gear 27 which are meshed with each other, and drives the lifting driving platform 30 to rotate, so that the swinging pressing structure moves to a height position suitable for pressing and clamping the top cover; then, the pressing driving motor 59 drives the pressing driving worm 60 to rotate, so that the pressing driven worm wheel 61 drives the two pressing driving cams 62 to rotate, the two pressing driving cams 62 rotate to drive the two pressing guide posts 64 to overcome the tension of the reset tension spring 67 and move along the two pressing guide sleeves 63 until the two pressing rubber heads 65 reach the required pressing positions; finally, the piston rod of the cylinder 41 extends to drive the pressing swing arm 19 to swing, and the pressing head presses the top cover tightly on the upper top rubber head 56, so that fixed-point pressing on the upper side surface of the top cover is realized.

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A stabilize clamping device for top cap which characterized in that: comprises a bottom plate (1), an upper top driving mechanism and a movable pressing mechanism; the upper pushing driving mechanism comprises a sliding rail driving mechanism and four upper pushing units, the four upper pushing units and the sliding rail driving mechanism are all arranged on the bottom plate (1), and the sliding rail driving mechanism drives the four upper pushing units to carry out fixed-point support on the lower side surface of the top cover; the movable pressing mechanism comprises four transverse translation mechanisms and four movable pressing units; the movable pressing unit comprises a position adjusting structure, a lifting adjusting structure and a swinging pressing structure; the four transverse translation mechanisms are respectively arranged on the left edge and the right edge of the bottom plate (1) in pairs; the position adjusting structures of the four movable pressing units are respectively installed on the four transverse translation mechanisms, the lifting adjusting structure is installed on the position adjusting structure, the swinging pressing structure is installed on the lifting adjusting structure, the transverse translation mechanisms drive the position adjusting structure to transversely move, the position adjusting structure adjusts the horizontal position of the lifting adjusting structure, the height of the swinging pressing structure is adjusted by the lifting adjusting structure, and the swinging pressing structure is used for pressing the upper side face of the top cover at a fixed point.

2. The stabilizing clip assembly for a header as claimed in claim 1, wherein: the upper jacking unit comprises an upper jacking support (43), an upper jacking strut (51), two upper jacking slide rails (46) and two upper jacking rods (54); the upper top supports (43) are arranged on the upper side surface of the bottom plate (1), and the upper top supports (43) of the four upper top units are all positioned in the middle of the bottom plate (1); a sliding rail driving sliding groove (44) is longitudinally arranged on the upper side surface of the upper top support (43); the two upper top sliding rails (46) longitudinally run on the sliding rail driving sliding grooves (44) through sliding rail rollers (47); the lower end of the upper top strut (51) is fixed in the middle of the bottom of the sliding rail driving sliding groove (44); an upper layer bracket (53) is fixed at the upper end of the upper top pillar (51), and a lower layer bracket (52) is fixed in the middle of the upper top pillar (51); the two upper ejector rods (54) are vertically inserted on the upper layer bracket (53) and the lower layer bracket (52), and the two upper ejector rods (54) are respectively positioned at the left side and the right side of the upper ejector strut (51); the upper side surface of the upper top sliding rail (46) is provided with a step surface consisting of a plurality of gentle transition steps, and an upper top roller groove (48) is longitudinally arranged on the step surface; the lower ends of the two upper ejector rods (54) are respectively provided with an upper ejector roller (49) through a roller mounting seat (50); the two upper top rollers (49) respectively walk on the upper top roller grooves (48) on the corresponding sides, and the upper top roller grooves (48) drive the upper top rollers (49) to move downwards in the longitudinal movement; an upper ejection rubber head (56) is arranged on the upper end of each of the two upper ejection rods (54).

3. The stabilizing clip assembly for a header as claimed in claim 2, wherein: the slide rail driving mechanism comprises a slide rail driving motor (41) and two synchronous driving rods (42); the slide rail driving motor (41) is arranged on the upper side surface of the bottom plate (1); a slide rail driving screw rod is longitudinally butted on an output shaft of the slide rail driving motor (41); the two synchronous driving rods (42) are screwed on the slide rail driving screw rod in a threaded manner; the front ends of the four upper top sliding rails (46) on the front side are all fixed on the synchronous driving rod (42) on the front side, and the front ends of the four upper top sliding rails (46) on the rear side are all fixed on the synchronous driving rod (42) on the rear side.

4. The stabilizing clip assembly for a header as claimed in claim 1, wherein: the transverse translation mechanism comprises a transverse translation motor (5), a transverse translation plate (6) and a translation driving screw rod (7); four vertex angles of the lower side surface of the transverse translation plate (6) are respectively provided with a transverse translation roller (8) which runs on the upper side surface of the bottom plate (1); the transverse translation motor (5) is arranged on the upper side surface of the bottom plate (1), and an output shaft of the transverse translation motor (5) is transversely arranged; a rotary support (12) is arranged on the lower side surface of the transverse translation plate (6); one end of the translation driving screw rod (7) is butted on an output shaft of the transverse translation motor (5), and the other end is screwed on the rotary support (12).

5. The stabilizing clip assembly for a header as claimed in claim 4, wherein: the position adjusting structure comprises a transverse adjusting mechanism and a longitudinal adjusting mechanism; the longitudinal adjusting mechanism comprises a longitudinal adjusting motor (11), a longitudinal adjusting screw rod (23) and a longitudinal adjusting seat (10); a longitudinal adjusting hole (15) is longitudinally arranged on the transverse translation plate (6); the left and right side hole walls of the longitudinal adjusting hole (15) are respectively provided with a longitudinal roller groove (14); a plurality of longitudinal adjusting rollers (13) walking on the longitudinal roller grooves (14) on the corresponding sides are arranged on the left side surface and the right side surface of the longitudinal adjusting seat (10); the longitudinal adjusting motor (11) is arranged on the lower side surface of the transverse translation plate (6), and an output shaft of the longitudinal adjusting motor (11) is longitudinally arranged; one end of the longitudinal adjusting screw rod (23) is butted on an output shaft of the longitudinal adjusting motor (11), and the other end is screwed on the longitudinal adjusting seat (10).

6. The stabilizing clip assembly for a header as claimed in claim 5, wherein: the transverse adjusting mechanism comprises a transverse adjusting plate (19), a transverse adjusting motor (16) and a transverse adjusting screw rod (22); a transverse adjusting hole (17) is transversely arranged on the longitudinal adjusting seat (10); a transverse roller groove (18) is arranged on the front hole wall and the rear hole wall of the transverse adjusting hole (17); the transverse adjusting plate (19) transversely walks on the transverse roller groove (18) through a plurality of transverse adjusting rollers (20); a transverse adjusting seat (21) is arranged on the lower side surface of the transverse adjusting plate (19); the transverse adjusting motor (16) is arranged on the longitudinal adjusting seat (10), and an output shaft of the transverse adjusting motor (16) transversely penetrates through the longitudinal adjusting seat (10); one end of the transverse adjusting screw rod (22) is butted on the penetrating end of the output shaft of the transverse adjusting motor (16), and the other end is screwed on the transverse adjusting seat (21).

7. The stabilizing clip for a header as claimed in claim 6, wherein: the lifting adjusting structure comprises an L-shaped bracket (28), a lifting driving motor (24), a lifting driving screw rod (25), a lifting driving platform (30) and a limiting square pipe sleeve (29); the end part of the vertical section of the L-shaped bracket (28) is fixed on the upper side surface of the transverse adjusting plate (19); the limiting square pipe sleeve (29) is sleeved on the vertical section of the L-shaped bracket (28) in a sliding manner; the edge of one side of the lifting driving platform (30) is fixed on the limiting square pipe sleeve (29), and the lifting driving platform (30) is positioned below the horizontal section of the L-shaped bracket (28); the lower end of the lifting driving screw rod (25) is rotatably arranged on the upper side surface of the transverse adjusting plate (19), the upper end of the lifting driving screw rod is rotatably arranged on the lower side surface of the horizontal section of the L-shaped bracket (28), and the lifting driving screw rod (25) is screwed on the lifting driving platform (30); the lifting driving motor (24) is arranged on the vertical section of the L-shaped bracket (28); a driving bevel gear (26) is arranged on an output shaft of the lifting driving motor (24), and a driven bevel gear (27) meshed with the driving bevel gear (26) is arranged on the lifting driving screw rod (25); the swinging pressing structure is arranged on the lifting driving platform (30).

8. The stabilizing clip for a header as claimed in claim 7, wherein: the swinging pressing structure comprises a cylinder (33), a pressing swing arm (35) and a support rod (34); the lower end of the supporting rod (34) is fixed on the upper side surface of the lifting driving platform (30); the cylinder (33) is hinged on the support rod (34) through a fixed support (32); the middle part of the pressing swing arm (35) is hinged on the upper end of the supporting rod (34), and the driving end of the pressing swing arm (35) is hinged on the end part of a piston rod of the air cylinder (33); the pressing end of the pressing swing arm (35) extends to the middle part of the bottom plate (1), and a driving pressing head is arranged on the pressing end of the pressing swing arm (35); an end notch (39) is arranged at the end part of the horizontal section of the L-shaped bracket (28), and the support rod (34) is clamped on the end notch (39) in a sliding way.

9. The stabilizing clip for a header as claimed in claim 8, wherein: a fixed buffer column (36) is arranged on the upper side surface of the horizontal section of the L-shaped bracket (28); a buffer rubber pad (38) is arranged at the upper end of the fixed buffer column (36); a swing arm buffer column (37) used for pressing the buffer rubber pad (38) is arranged on the lower side surface of the pressing swing arm (35).

10. The stabilizing clip for a header as claimed in claim 8, wherein: the driving pressing head comprises a fan-shaped shell (58), a pressing driving motor (59), a pressing driving worm (60), a pressing driven worm wheel (61), two pressing driving cams (62), two return tension springs (67) and two pressing guide columns (64); the side surface of one side radius of the fan-shaped shell (58) is fixed on the pressing end of the pressing swing arm (35); the pressing driving motor (59) is arranged on the fan-shaped shell (58), and an output shaft of the pressing driving motor (59) extends into the fan-shaped shell (58); the pressing driving worm (60) is arranged on the extending end of the output shaft of the pressing driving motor (59); two pressing driving cams (62) and a pressing driven worm wheel (61) are coaxially and rotatably arranged in the fan-shaped shell (58), and the pressing driven worm wheel (61) is meshed with the pressing driving worm (60); two pressing guide sleeves (63) are fixed on the arc-shaped side wall of the fan-shaped shell (58) in a penetrating way; the two pressing guide posts (64) are respectively inserted on the two pressing guide sleeves (63), and one end of each pressing guide post extends into the fan-shaped shell (58); the extending ends of the two pressing guide columns (64) are respectively provided with a cam roller (66), and the two cam rollers (66) are respectively matched with the two pressing driving cams (62); both the two pressing guide columns (64) are provided with pressing limit grooves (69) along the length direction; the inner walls of the two pressing guide sleeves (63) are respectively provided with a pressing limiting block matched with the corresponding pressing limiting groove (69); an extrusion wafer (70) is coaxially fixed at the other end of each of the two pressing guide columns (64); extrusion rings (68) are coaxially fixed on the end parts of the two pressing guide sleeves (63) outside the fan-shaped shell (58); two reset tension springs (67) are respectively sleeved on the two pressing guide posts (64), and two ends of each reset tension spring (67) are connected and fixed to the extrusion ring (68) and the extrusion wafer (70); and a downward pressing rubber head (65) is arranged on each of the two extrusion round plates (70).