CN215046809U

CN215046809U - Overturning and grabbing device for vibration demoulding in kerbstone production line

Info

Publication number: CN215046809U
Application number: CN202121249429.6U
Authority: CN
Inventors: 李克; 邢宾杰; 焦朋
Original assignee: Hebei Xindadi Electromechanical Manufacturing Co ltd
Current assignee: Hebei Xindadi Electromechanical Manufacturing Co ltd
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2021-12-07
Anticipated expiration: 2031-06-05

Abstract

The utility model provides an upset grabbing device that vibration drawing of patterns was used in curb production line, the support frame has, be the square shaft of horizontal setting, the servo motor speed reducer, hydraulic system, be the left arm of jack catch that the level set up, be the jack catch right arm that the level set up, be the left side jack catch of vertical setting, be the right side jack catch of vertical setting, the left side cardboard, the right side cardboard, be vertical left sleeve and the right sleeve that sets up, prevent left side jack catch and the random pivoted stop gear of right side jack catch. When the turnover grabbing device is in a turnover state, the jaw left arm and the jaw right arm which rotate 180 degrees together along with the square shaft extend outwards and are in a turnover state, and the hydraulic cylinder, the left oil cylinder seat, the right oil cylinder seat, the left jaw, the right jaw, the left clamping plate, the right clamping plate, the left sleeve and the right sleeve are in a turnover state. The utility model discloses work is nimble, reliable, and easily the drawing of patterns has reduced in the production process because of the mould warp to the damage of goods curb, and the damage rate is low to the efficiency of whole curb production link has been improved.

Description

Overturning and grabbing device for vibration demoulding in kerbstone production line

Technical Field

The utility model relates to a curb production line specifically is a upset grabbing device that vibration drawing of patterns was used in curb production line.

Background

The kerbstone (annular) production line is provided with a plurality of moulds, a multi-section transverse conveying roller way for conveying the moulds, a material distributor, a vibration table, a mould stacker crane, a vibration demoulding device, a finished product component conveying device, a finished product stacker crane, a longitudinal conveying device and the like. The vibration demolding device is not easy to demold and unreliable in work, and mainly the structure of the grabbing device for vibration demolding is unreasonable, and the grabbing device is inflexible in work, so that the efficiency of the whole curb production link is influenced.

The related patent documents: CN211254369U discloses a finished product stacker crane for a kerbstone production line, which comprises a supporting frame, a running gear installed on the top of the supporting frame, a lifting gear installed on the running gear, a jaw device installed at the bottom of the lifting gear, and a guide device arranged between the lifting gear and the jaw device. CN211812120U discloses a mold conveying line for a kerbstone production line, which comprises a longitudinal conveying device and a transverse conveying device; the longitudinal conveying device comprises a longitudinal moving frame body, a transverse mounting conveying roller set, a driving device and a positioning device; the transverse conveying device comprises a bottom frame, a conveying roller set and a driving device; the bottom frame is perpendicular to the movable frame body.

The technologies are flexible and reliable in operation of the turnover grabbing device for vibration demoulding in the kerbstone production line, easy in demoulding and capable of reducing damage to the product kerbstone caused by mould deformation in the production process, and a specific guidance scheme is not provided.

Disclosure of Invention

An object of the utility model is to provide a upset grabbing device that vibration drawing of patterns was used in curb production line, this upset grabbing device work is nimble, reliable, and easily the drawing of patterns can reduce in the production process because of the mould warp to the damage of goods curb, and the damage rate is low to improve the efficiency of whole curb production link.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

the technical scheme is that the turnover grabbing device for vibration demoulding in the kerbstone production line (or the turnover grabbing device for vibration demoulding in the kerbstone annular production line) comprises a support frame, a square shaft transversely arranged, a servo motor reducer, a hydraulic system arranged on the support frame, a left jaw arm horizontally arranged, a right jaw arm horizontally arranged, a left jaw longitudinally arranged, a right jaw longitudinally arranged, a left jaw, a right jaw, a left sleeve longitudinally arranged, a right sleeve longitudinally arranged, and a limiting mechanism for preventing the left jaw and the right jaw from randomly rotating, wherein a shaft head at one end of the square shaft is limited and supported by a bearing and a bearing seat arranged at the bottom end of the support frame, a shaft head at the other end of the square shaft is limited and supported by a support plate fixed on the support frame and is connected with a power output shaft of the servo motor reducer, the inner side end of the left arm of the clamping jaw and the inner side end of the right arm of the clamping jaw are respectively hinged with the square shaft, the outer side end of the left arm of the clamping jaw is fixedly connected with the left sleeve, the outer side end of the right arm of the clamping jaw is fixedly connected with the right sleeve, the upper part of the left clamping jaw capable of rotating around the left sleeve is axially limited by the left sleeve, the bottom of the left clamping jaw is fixedly connected with the left clamping plate, the upper part of the right clamping jaw capable of rotating around the right sleeve is axially limited by the right sleeve, and the bottom of the right clamping jaw is fixedly connected with the right clamping plate; a hydraulic cylinder of the hydraulic system is transversely arranged and installed between the left claw arm and the right claw arm, one end of the hydraulic cylinder is hinged with one end of the left oil cylinder seat, the other end of the left oil cylinder seat is fixedly connected with the left claw arm, the other end of the hydraulic cylinder is hinged with one end of the right oil cylinder seat, and the other end of the right oil cylinder seat is fixedly connected with the right claw arm; when upset grabbing device is in the upset state, rotate (rotatory) 180 jack catch left arm along with the square shaft, jack catch right arm outwards stretches out and is in the upset state (being in the structural style of upset promptly), along with jack catch left arm, jack catch right arm is pivoted pneumatic cylinder together, left hydro-cylinder seat, right hydro-cylinder seat, the left side jack catch, the right side jack catch, the left side cardboard, the right side cardboard, left sleeve, right sleeve is in the upset state (wherein, left hydro-cylinder seat, the left side jack catch, the left side cardboard, left sleeve rotates along with jack catch left arm, right hydro-cylinder seat, the right side jack catch, the right side cardboard, right sleeve rotates along with jack catch right arm together.

In the above technical solution, a preferable technical solution may be: the servo motor reducer is fixedly arranged on the outer side of the supporting plate. The hydraulic pump and the control element of the hydraulic system, namely the hydraulic valve, are arranged on the upper end surface of the support frame. A left limiting bolt is arranged on the outer side of the left arm of the clamping jaw, the left limiting bolt is in threaded connection with a left lug plate fixed on the side wall of the square shaft, the left limiting bolt is locked by an adjusting nut which is in threaded connection with the left limiting bolt and is positioned on the outer side of the left lug plate, and when the left arm of the clamping jaw is vertical to the square shaft, a gap is reserved between the inner side end of the left limiting bolt and the outer side surface of the left arm of the clamping jaw; and when the right arm of the clamping jaw is in a vertical state with the square shaft, a gap is reserved between the inner side end of the right limiting bolt and the outer side surface of the right arm of the clamping jaw. The limiting mechanisms for preventing the left clamping jaw and the right clamping jaw from rotating randomly are two independent limiting mechanisms, the left sleeve and the left clamping plate are connected with one limiting mechanism, the right sleeve and the right clamping plate are connected with the other limiting mechanism, and each limiting mechanism is provided with an L-shaped positioning plate, two compression springs, a limiting bolt and a fixing column; for the limiting mechanism with the left sleeve connected with the left clamping plate, the longitudinal arm of the L-shaped positioning plate is fixedly connected with the outer side wall of the left sleeve, the limiting bolt transversely penetrates through the mounting hole on the transverse arm of the L-shaped positioning plate, the bottom end of the limiting bolt is hinged with the top of the corresponding fixing column to form a hinged joint, the hinged joint is specifically that the bottom end of the limiting bolt is provided with a longitudinal round hole, the longitudinal round hole is in clearance fit with the pin shaft at the top of the fixed column, the bottom end of the limiting bolt can rotate around the top of the fixed column (in a horizontal plane), the bottom end of the limiting bolt is limited by a check ring at the top end of the fixed column, the bottom end of the fixed column is fixedly connected (can be welded) with the top end of the left clamping plate, and a compression spring between the head of the limiting bolt and the transverse arm of the L-shaped positioning plate and another compression spring between the hinged point and the transverse arm of the L-shaped positioning plate are sleeved on the limiting bolt. For the limiting mechanism with the right sleeve connected with the right clamping plate, the longitudinal arm of the L-shaped positioning plate is fixedly connected with the outer side wall of the right sleeve, the limiting bolt transversely penetrates through the mounting hole on the transverse arm of the L-shaped positioning plate, the bottom end of the limiting bolt is hinged with the top of the corresponding fixing column to form a hinged joint, the hinged joint is specifically that the bottom end of the limiting bolt is provided with a longitudinal round hole, the longitudinal round hole is in clearance fit with the pin shaft at the top of the fixed column, the bottom end of the limiting bolt can rotate around the top of the fixed column (in a horizontal plane), the bottom end of the limiting bolt is limited by a check ring at the top end of the fixed column, the bottom end of the fixed column is fixedly connected (can be welded) with the top end of the right clamping plate, and a compression spring between the head of the limiting bolt and the transverse arm of the L-shaped positioning plate and another compression spring between the hinged point and the transverse arm of the L-shaped positioning plate are sleeved on the limiting bolt. The lower part of the front end of the supporting frame is provided with a buffer device which is firstly contacted with another conveying device (can be a finished product conveying device below) when the turnover grabbing device is in a turnover state and the product curb is placed on the other conveying device, the buffer device is provided with two longitudinal bodies, a transverse body and a pair of buffer mechanisms arranged on the transverse body, the upper ends of the two longitudinal bodies are fixedly connected with the lower part of the front end of the supporting frame, the lower ends of the two longitudinal bodies are fixedly connected with the two ends of the transverse body, each buffer mechanism is provided with a bottom plate, a pair of positioning plates which are transversely arranged and respectively fixed on the front side wall and the rear side wall of the transverse body, a pair of pressure springs respectively arranged between one positioning plate and the bottom plate, and a pair of studs respectively longitudinally penetrating through the mounting holes on one positioning plate; in each buffer mechanism, a compression spring is sleeved on one stud corresponding to the compression spring, the bottom end of each stud is in threaded connection with the bottom plate, and the upper end of each stud extends out of a mounting hole in the positioning plate and is locked by a nut.

The utility model discloses have support frame, square shaft, servo motor speed reducer, hydraulic system, jack catch left arm, jack catch right arm, left side jack catch, right side jack catch, left side cardboard, right side cardboard, left sleeve, be right sleeve, prevent that left side jack catch and right side jack catch are pivoted stop gear at will. When the overturning and grabbing device works, the left clamping plate and the right clamping plate are in a vertical state, and the distance between the left clamping plate and the right clamping plate is slightly larger than the length of the product curb stone D. When snatching goods curb stone, hydraulic system starts, provides power to the pneumatic cylinder, and the piston rod is retracted, and the pneumatic cylinder drives jack catch left arm, jack catch right arm is inside rotation relatively, and the position of self is adjusted around the rotatory certain angle of left sleeve through the left side jack catch to the left side cardboard, and the position of self is adjusted around the rotatory certain angle of right sleeve through the right side jack catch to the right side cardboard to make left side cardboard, right side cardboard clamping member. Afterwards, the servo motor speed reducer starts rotatory 180, the square shaft is rotatory 180, 180 jack catch left arm is rotated (rotatory) along with the square shaft, jack catch right arm stretches out outwards and is in the upset state, along with jack catch left arm, jack catch right arm pivoted pneumatic cylinder together, left hydro-cylinder seat, right hydro-cylinder seat, the left side jack catch, the right side jack catch, the left side cardboard, the right side cardboard, the goods curb stone, left sleeve, right sleeve is in the upset state, the goods curb stone is outwards overturned (rotatory) 180 this moment, upset grabbing device is in the upset state. Through the experiment, the utility model discloses a flexible, reliable of upset grabbing device work that vibration drawing of patterns was used in the curb production line, easily drawing of patterns, the drawing of patterns work efficiency has improved more than 15%, has reduced because of the mould warp to the damage of goods curb in the drawing of patterns process, and the damage rate is less than 0.1%; meanwhile, the automatic curb production line has high automation degree, reduces the labor intensity of manpower, shortens the production time of curb products, and improves the efficiency of the whole curb production link.

Drawings

Fig. 1 is a schematic structural view (perspective view) of the turnover grasping device of the present invention.

Fig. 2 is a schematic structural view (perspective view) of a limiting mechanism in the turnover grabbing device of the present invention.

Fig. 3 is a schematic structural view (front view) of the turnover gripping device of the present invention, which is used together with other components to form a vibration demoulding device and the vibration demoulding device during operation.

Fig. 4 is a schematic structural diagram of the vibration demoulding device formed by the turnover grabbing device and other components of the present invention when in operation (which can be regarded as a bottom view and then rotated 90 ° clockwise).

Fig. 5 is a schematic structural view (an elevation view) of the vibration demoulding device and the vibration demoulding device formed by the turnover grabbing device and other components of the utility model.

Fig. 6 is a schematic structural view (front view) of the vibration demolding device and the vibration demolding device composed of the turnover grasping device and other components according to the present invention.

Fig. 7 is a layout diagram of the turnover grabbing device and other components of the vibration demoulding device and the vibration demoulding device on a kerbstone (annular) production line.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art without any creative work based on the present embodiment belong to the protection scope of the present invention.

Example 1: as shown in fig. 1 and 2, the utility model discloses a turnover grabbing device 812 that vibration drawing of patterns was used in curb production line has support frame 815, be the square shaft 825 of horizontal setting, servo motor speed reducer (upset motor) 814, install hydraulic system 800 on the support frame, be the left arm 817 ' of the jack catch of horizontal setting, be the right arm 817 of the jack catch of horizontal setting, be vertical left side jack catch 820 ', be vertical right side jack catch 820 of setting, left side cardboard 818 ', right side cardboard 818, be vertical left sleeve (being left side sleeve 819) of setting, be vertical right sleeve (being right side sleeve) 819 of setting, prevent (restrict) left side jack catch and the arbitrary pivoted stop gear 821 of right side jack catch. The shaft head of one end of the square shaft 825 is in limited support (limited support) through a bearing and a bearing seat 823 mounted at the bottom end of the support frame, the shaft head of the other end of the square shaft 825 is in limited support through a support plate 827 fixed on the support frame and is connected (fixedly connected) with a power output shaft of the servo motor reducer 814, the inner side end (rear end) of the claw left arm 817 ' and the inner side end (rear end) of the claw right arm 817 are respectively hinged with the square shaft 825, the outer side end (front end) of the claw left arm 817 ' is fixedly connected with the side face of the left sleeve 819 ', and the outer side end (front end) of the claw right arm 817 is fixedly connected with the side face of the right sleeve 819. The left jaw 820 'that can rotate around the left sleeve has its upper portion axially restrained by the left sleeve 819', and the bottom of the left jaw 820 'is fixedly connected to the left catch plate 818', and the right jaw 820 that can rotate around the right sleeve has its upper portion axially restrained by the right sleeve 819, and the bottom of the right jaw 820 is fixedly connected to the right catch plate 818. A hydraulic cylinder 826 of the hydraulic system 800 is transversely arranged and mounted between a claw left arm 817 'and a claw right arm 817, one end (the bottom end of a cylinder barrel or the top end of a connecting rod) of the hydraulic cylinder 826 is hinged to one end of a left cylinder base (a left cylinder base) 824', the other end of the left cylinder base 824 'is fixedly connected with the claw left arm 817', the other end (the top end of the connecting rod or the bottom end of the cylinder barrel) of the hydraulic cylinder 826 is hinged to one end of a right cylinder base (a right cylinder base) 824, and the other end of the right cylinder base 824 is fixedly connected with the claw right arm 817. When the overturning grabbing device 812 is in an overturning state, a claw left arm 817 'and a claw right arm 817 which rotate together with the square shaft 825 for 180 degrees extend outwards and are in an overturning state, and a hydraulic cylinder 826, a left oil cylinder seat 824', a right oil cylinder seat 824, a left claw 820 ', a right claw 820, a left clamping plate 818', a right clamping plate 818, a left sleeve 819 'and a right sleeve 819 which rotate together with the claw left arm 817' and the claw right arm 817 are in an overturning state. The hydraulic cylinder, the left oil cylinder base, the right oil cylinder base, the left clamping jaw, the right clamping jaw, the left clamping plate, the right clamping plate, the left sleeve and the right sleeve can be regarded as outwards turned (rotated) by 180 degrees.

As shown in fig. 1 and 2, the servo motor reducer 814 is fixedly attached to the outer side of the support plate 827. The hydraulic pump and the hydraulic valve as a control element of the hydraulic system 800 are mounted on the upper end surface of the support frame 815. The outer side (left side) of the claw left arm 817 ' is provided with a left limiting bolt 8221 ', the left limiting bolt 8221 ' is in threaded connection with a left lug plate 8222 ' fixed on the side wall of the square shaft, the left limiting bolt 8221 ' is locked by an adjusting nut which is in threaded connection with the left limiting bolt 8221 ' and is positioned on the outer side (left side) of the left lug plate, and when the claw left arm 817 ' is vertical to the square shaft 825, a gap is reserved between the inner side end of the left limiting bolt 8221 ' and the outer side surface of the claw left arm 817 '. A right limiting bolt 8221 is arranged on the outer side (right side) of the claw right arm 817, the right limiting bolt 8221 is in threaded connection with a right lug plate 8222 fixed on the side wall of the square shaft, the right limiting bolt 8221 is locked by an adjusting nut which is in threaded connection with the right limiting bolt and is positioned on the outer side (right side) of the right lug plate, and when the claw right arm 817 is in a vertical state with the square shaft 825, a gap is reserved between the inner side end of the right limiting bolt 8221 and the outer side surface of the claw right arm 817. Left limit bolt 8221 ', right limit bolt 8221's effect prevents that jack catch left arm 817 ', jack catch right arm 817 outside rotatory angle is too big, and when jack catch left arm, jack catch right arm outwards rotated certain angle, the jack catch left arm is spacing by left limit bolt, and the jack catch right arm is spacing by right limit bolt. The limiting mechanisms 821 for preventing the left-side clamping jaw and the right-side clamping jaw from rotating randomly are two independent limiting mechanisms, the left sleeve 819 'and the left-side clamping plate 818' are connected with one limiting mechanism, the right sleeve 819 and the right-side clamping plate 818 are connected with the other limiting mechanism, and each limiting mechanism 821 is provided with an L-shaped positioning plate 8211, two compression springs 8212, a limiting bolt 8213 and a fixing column 8214. For the limiting mechanism with the left sleeve 819 'connected with the left snap-gauge 818', the longitudinal arm of the L-shaped positioning plate is fixedly connected with the outer side wall of the left sleeve, the limiting bolt transversely passes through the mounting hole on the transverse arm of the L-shaped positioning plate, the bottom end of the limiting bolt is hinged with the top of the corresponding fixing column to form a hinge point, the hinge structure is specifically that the bottom end of the limiting bolt is provided with a longitudinal round hole, the longitudinal round hole is in clearance fit with a pin shaft at the top of the fixed column, the bottom end of the limiting bolt can rotate around the top of the fixed column (in a horizontal plane), the bottom end of the limiting bolt is limited by a check ring at the top end of the fixed column, the bottom end of the fixed column is fixedly connected (can be welded) with the top end of the left clamping plate 818', and a compression spring between the head of the limiting bolt and the transverse arm of the L-shaped positioning plate and another compression spring between the hinged point and the transverse arm of the L-shaped positioning plate are sleeved on the limiting bolt. For the limiting mechanism with the right sleeve 819 connected with the right snap-gauge 818, the longitudinal arm of the L-shaped positioning plate is fixedly connected with the outer side wall of the right sleeve, a limiting bolt transversely passes through a mounting hole on the transverse arm of the L-shaped positioning plate, the bottom end of the limiting bolt is hinged with the top of the corresponding fixing column to form a hinge point, specifically, the bottom end of the limiting bolt is provided with a longitudinal round hole, the longitudinal round hole is in clearance fit with a pin shaft at the top of the fixed column, the bottom end of the limiting bolt can rotate around the top of the fixed column (in a horizontal plane), the bottom end of the limiting bolt is limited by a check ring at the top end of the fixed column, the bottom end of the fixed column is fixedly connected (can be welded) with the top end of the right clamping plate 818, and a compression spring between the head of the limiting bolt and the transverse arm of the L-shaped positioning plate and another compression spring between the hinged point and the transverse arm of the L-shaped positioning plate are sleeved on the limiting bolt. The lower portion of the front end of the supporting frame 815 is provided with a buffer 816 which is in contact with another conveying device (which may be the lower finished product conveying device 9) when the turnover gripping device 812 is in a turnover state and the finished product curb is placed on the other conveying device, and the buffer 816 is provided with two longitudinal bodies 8161, a transverse body 8162 and a pair of buffer mechanisms 8163 arranged on the transverse body. The upper ends of the two longitudinal bodies 8161 are fixedly connected with the lower part of the front end of the supporting frame 815, the lower ends of the two longitudinal bodies 8161 are fixedly connected with the two ends of the transverse body 8162, each buffer mechanism 8163 is provided with a bottom plate 81633, a pair of positioning plates 81631 which are transversely arranged and respectively fixed on the front side wall and the rear side wall of the transverse body, a pair of pressure springs 81632 which are respectively installed between one of the positioning plates and the bottom plate, and a pair of studs (or a pair of bolts) 81634 which respectively longitudinally penetrate through the installation holes on one of the positioning plates. In each buffer mechanism 8163, the pressure spring 81632 is sleeved on one corresponding bolt 81634, the bottom end of each bolt 81634 is in threaded connection with the bottom plate 81633, and the upper end of each bolt 81634 extends out of a mounting hole in the positioning plate 81631 and is locked by a nut.

As shown in fig. 1, 2, 3, 4, 5, and 6, the turnover grasping device of the present invention is combined with other components to form a vibration demolding device, which includes a mold 12, a plurality of vibration tables 13 (three may be used) for facilitating demolding of the mold 12, the plurality of vibration tables 13 supported by a ground foundation being located under the mold 12, a product conveying device 9, a pair of cross beams 803, a plurality of columns 802 (four may be used) for supporting the pair of cross beams, adjustment feet 801 (four may be used) installed at the bottom end of each column for fixing on the ground, a frame 804, a motor reducer 806 installed on the frame, a driving running wheel set 808' driven by the motor reducer through a transmission (the transmission may be a driving sprocket, a driven sprocket, and a chain) for moving the frame 804 along a rail 805 laid on the cross beam 803, and a driven running wheel set 808, a driven running wheel set 808, An electric hoist 807 arranged on the frame, a guide mechanism 810 and a turnover grabbing device 812. The driving running wheel set 808 'and the driven running wheel set 808' are mounted on the frame 804, the guide mechanism 810 has a moving part and a bearing part which are matched, and the bearing part of the guide mechanism 810 is fixedly connected with the frame. The turning and grabbing device 812 is a core working part of the vibration demoulding device, and the structure of the turning and grabbing device 812 is the same as that of the turning and grabbing device. A pulley (movable pulley) 811 of the electric block 807 is mounted on the upper end surface of the support frame 815, and a moving member of the guide mechanism 810 is fixedly connected to the support frame 815. The moving parts of the guiding mechanism 810 are two cylinders (which may be circular steel pipes) which are fixedly connected with the upper end surface of the supporting frame 815 and are longitudinally arranged, the bearing parts of the guiding mechanism 810 are two circular steel pipes which are fixedly connected with the frame 804 and are longitudinally arranged, a part of each of the two cylinders respectively extends into inner holes of the two circular steel pipes, and the bottoms of the two circular steel pipes are fixedly connected with the reinforcing plate 810' which is transversely arranged. One of the plurality of vibration tables 13, which is adjacent to (closest to) the finished product conveying device 9, is provided with a support body 813 supported by the ground between the vibration table and the finished product conveying device 9, and when the turning and grabbing device 812 is in a turning state and places the finished product curb on the finished product conveying device 9, the bottom surface of the square shaft 825 is supported by the upper end surface of the support body 813. See the portion indicated by arrow C in fig. 3. Therefore, the turning grabbing device has a protection effect on the counter shaft, and meanwhile, the turning grabbing device is prevented from falling off. The supporting frame 815 and the frame 804 may be made of steel plates and section steel by welding, the square shaft 825 may be made of steel plates and section steel and square steel tubes by welding, the jaw left arm 817 ', the jaw right arm 817 may be made of steel plates and section steel, the left jaw 820', the right jaw 820 and the fixing column 8214 may be made of round steel, the left jaw 818 ', the right jaw 818, the supporting plate 827, the left ear plate 8222', the right ear plate 8222, the bottom plate 81633, the positioning plate 81631 and the reinforcing plate 810 'may be made of steel plates, the inner side surfaces, namely clamping surfaces, of the left jaw 818' and the right jaw 818 are compounded with (may be fixed with) rubber plates through bolts, the rubber plates serve as clamping plates, and the clamping plates have anti-skid grains or protrusions (the number is multiple) on the surfaces, namely the clamping surfaces, which are in contact with the product curb to increase the friction force between the product curb and the clamping plates. The left sleeve 819' and the right sleeve 819 can be made of round steel or round steel tubes, and the L-shaped positioning plate 8211 and the bracket body 813 can be formed by welding steel plates. The longitudinal body 8161 and the transverse body 8162 can be made of steel plates and section steel, and the cross beam 803, the upright post 802, the cross beam 803 and the running rails 805 can be made of section steel.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, when the middle turning-over gripping device 812 works, the left-side catch plate 818' and the right-side catch plate 818 are in a vertical state, and the distance between the left-side catch plate 818 and the right-side catch plate 818 is slightly larger than the length of the product curb D. The overturning and grabbing device 812 is driven to descend or ascend through the electric hoist 807, when a product curb stone is grabbed, the overturning and grabbing device descends, after a steel wire rope 809 of the electric hoist drives the overturning and grabbing device to descend to a specified position, the hydraulic system 800 is started to provide power for the hydraulic cylinder 826, the piston rod retracts, the hydraulic cylinder 826 drives the jaw left arm 817 'and the jaw right arm 817 to rotate inwards relatively, the left clamping plate 818' adjusts the position of the left clamping plate 818 'through rotating the left clamping jaw 820' around the left sleeve 819 'by a certain angle, the right clamping plate 818 adjusts the position of the right clamping plate 818 through rotating the right clamping jaw 820 around the right sleeve 819 by a certain angle, and accordingly the left clamping plate 818' and the right clamping plate 818 can be seen as a part indicated by an arrow A in fig. 3 (which can be regarded as an initial working state of the overturning and grabbing device). Then, the motor of the electric hoist rotates reversely, the overturning and grabbing device 812 is driven to ascend through the steel wire 809, the motor reducer 806 is started, after the frame 804 (together with the overturning and grabbing device) reaches a specified position, the servo motor reducer 814 is started to rotate 180 degrees, the square shaft 825 rotates 180 degrees, the claw left arm 817 'and the claw right arm 817 which rotate (rotate) 180 degrees along with the square shaft 825 extend outwards (extend rightwards from the view of fig. 3) and are in an overturning state, the hydraulic cylinder 826, the left cylinder seat 824', the right cylinder seat 824 and the left claw 820 'which rotate along with the claw left arm 817' and the claw right arm 817 rotate together, the right side dog 820, the left side cardboard 818 ', the right side cardboard 818, goods curb D, the left sleeve 819', the right sleeve 819 are in the upset state, and at this moment, the goods curb outwards overturns (rotates) 180 degrees, and the upset grabbing device is in the upset state, can see the part that arrow B indicated in fig. 3. After the rotation is completed, the turning and grabbing device descends through a steel wire rope 809 of the electric hoist, the steel wire rope 809 drives the turning and grabbing device to descend to a specified position, the product curb is placed on the finished product conveying device 9, a work cycle is completed, and the work cycle can be referred to a part indicated by an arrow C in fig. 3. And returning to the original state after the steps are carried out reversely, and preparing for the next working cycle.

As shown in fig. 7, fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, the vibration mold-releasing device is used for a curb (ring) production line, the kerbstone production line has the transport the multistage transverse conveying roll table 3 of mould, one set of concrete spreader 1, one set arranges in the vibration table 2 of concrete spreader below, one set of mould hacking machine 4, one set arranges in this production line is the maintenance kiln 6 in the transfer chain outside, one set arranges in the transfer chain distolateral and be located the central transport vehicle 5 of maintenance kiln avris, one set of mould unstacker 7, one set arranges in the vibration shedder 8 of the work position of unstacking of mould unstacker at the back and perpendicular to transverse conveying roll table, one set arranges in the finished product hacking machine 10 of finished product component conveyor end, one set arranges in the vertical conveyor 11 of transfer chain distolateral and perpendicular to transverse conveying roll table. In fig. 7, reference numeral 500 is a positioning seat, and reference numeral 501 is a ground control member. The vibration demolding device 8 is provided with a mold (a plurality of molds) 12, a plurality of vibration tables 13 which enable the mold 12 to be demolded conveniently, a finished product conveying device 9 and the like. The multi-stage transverse rollgang 3 includes a first stage transverse rollgang 301, a second stage transverse rollgang 302, a third stage transverse rollgang 303, a fourth stage transverse rollgang 304, a fifth stage transverse rollgang 305 (reference numeral 305' in fig. 1 is a conveying roller in the transverse conveying apparatus), a sixth stage transverse rollgang 306, a seventh stage transverse rollgang 307, and an eighth stage transverse rollgang 308. A second section of transverse conveying roller way 302 is correspondingly arranged at the position of the mold stacker crane 4, an eighth section of transverse conveying roller way 308 is correspondingly arranged at the position of the concrete spreader 1, a first section of transverse conveying roller way 301 is arranged between the second section of transverse conveying roller way 302 and the eighth section of transverse conveying roller way 308, a third section of transverse conveying roller way 303 is correspondingly arranged at the position of the mold unstacker 7, a fifth section of transverse conveying roller way 305 is correspondingly arranged at the position of the vibration demolding device 8, a fourth section of transverse conveying roller way 304 is arranged between the third section of transverse conveying roller way 303 and the fifth section of transverse conveying roller way 305, a seventh section of transverse conveying roller way 307 is correspondingly arranged at the front end of the longitudinal conveying device 11 on the right side of the production line, and a sixth section of transverse conveying roller way 306 is correspondingly arranged at the rear end of the longitudinal conveying device 11. The production line (equipment) forms an annular flow production line through electromechanical control or automatic control operation, and replaces manual and semi-mechanical operation. The concrete spreader 1 is arranged perpendicular to the transverse conveying device and runs on the fixed steel support. And the material is moved between the feed opening and the material distribution station of the concrete mixer. The first vibration table 2 works while the concrete spreader works. The structures of the vibration table 13 and the first vibration table 2 are known per se, and they are concrete vibration tables. After the distributing and vibrating operation is completed, the mold is conveyed forward through the first section of transverse conveying roller way 301. After reaching the second section of transverse conveying roller way 302, the real molds are stacked by the mold stacker crane 4, and two or three layers can be stacked according to different specifications of the molds during stacking operation. The central transport vehicle 5 transports the stacked molds into the curing kiln 6 according to a set program for steam curing operation. The cured products (the molds with the kerbs) are taken out of the curing kiln 6 through the central transport vehicle 5 and placed on the third section of transverse conveying roller way 303, the stacked molds are unstacked again by the mold unstacker 7, and the unstacked molds are conveyed forwards to the fifth section of transverse conveying roller way 305 through the third section of transverse conveying roller way 303 and the fourth section of transverse conveying roller way 304. After the mold is opened, the finished kerbstone is taken out of the mold by the vibration demolding device 8 and placed on the finished product conveying device 9. After the finished kerbstone is conveyed forwards through the finished product conveying device 9, the finished product stacking machine stacks the kerbstone components and then transports the kerbstone components through a forklift or other modes. And the demolded empty mold is conveyed forwards to a sixth section of transverse conveying roller table 306 for cleaning. The cleaned empty die is conveyed to the initial position of the production line through the longitudinal conveying device 11, the seventh section of transverse conveying roller way 307 and the eighth section of transverse conveying roller way 308, and a working cycle is completed.

Through the experiment, the utility model discloses a flexible, reliable of upset grabbing device work that vibration drawing of patterns was used in the curb production line, easily drawing of patterns, the drawing of patterns work efficiency has improved more than 15%, has reduced because of the mould warp to the damage of goods curb in the drawing of patterns process, and the damage rate is less than 0.1%; meanwhile, the automatic curb production line has high automation degree, reduces the labor intensity of manpower, shortens the production time of curb products, and improves the efficiency of the whole curb production link.

Claims

1. A turnover grabbing device for vibration demoulding in a kerbstone production line is characterized in that the turnover grabbing device (812) for vibration demoulding in the kerbstone production line is provided with a support frame (815), a square shaft (825) which is transversely arranged, a servo motor reducer (814), a hydraulic system (800) which is arranged on the support frame, a left jaw arm (817 ') which is horizontally arranged, a right jaw arm (817) which is horizontally arranged, a left jaw (820') which is longitudinally arranged, a right jaw (820) which is longitudinally arranged, a left clamping plate (818 '), a right clamping plate (818), a left sleeve (819') which is longitudinally arranged, a right sleeve (819) which is longitudinally arranged, and a limiting mechanism (821) for preventing the left jaw and the right jaw from randomly rotating, wherein a shaft head at one end of the square shaft (825) is limited and supported by a bearing and a bearing seat (823) which is arranged at the bottom end of the support frame, the other end of the square shaft (825) is limited and supported by a supporting plate (827) fixed on the supporting frame and is connected with a power output shaft of a servo motor reducer (814), the inner side end of a jaw left arm (817 ') and the inner side end of a jaw right arm (817) are respectively hinged with the square shaft (825), the outer side end of the jaw left arm (817 ') is fixedly connected with a left sleeve (819 '), the outer side end of the jaw right arm (817) is fixedly connected with a right sleeve (819), the upper part of a left jaw (820 ') capable of rotating around the left sleeve is axially limited by the left sleeve (819 '), the bottom of the left jaw (820 ') is fixedly connected with a left clamping plate (818 '), the upper part of a right jaw (820) capable of rotating around the right sleeve is axially limited by the right sleeve (819), and the bottom of the right jaw (820) is fixedly connected with the right clamping plate (818);

a hydraulic cylinder (826) of the hydraulic system (800) is transversely arranged and is installed between a claw left arm (817 ') and a claw right arm (817), one end of the hydraulic cylinder (826) is hinged with one end of a left cylinder base (824'), the other end of the left cylinder base (824 ') is fixedly connected with the claw left arm (817'), the other end of the hydraulic cylinder (826) is hinged with one end of a right cylinder base (824), and the other end of the right cylinder base (824) is fixedly connected with the claw right arm (817);

when the overturning grabbing device (812) is in an overturning state, a jaw left arm (817 ') and a jaw right arm (817) which rotate 180 degrees along with a square shaft (825) extend outwards and are in an overturning state, and a hydraulic cylinder (826), a left oil cylinder seat (824'), a right oil cylinder seat (824), a left jaw (820 '), a right jaw (820), a left clamping plate (818'), a right clamping plate (818), a left sleeve (819 ') and a right sleeve (819) which rotate along with the jaw left arm (817') and the jaw right arm (817) are in an overturning state.

2. The turning grabbing device for vibration demoulding in a kerb production line as claimed in claim 1, wherein said servo motor reducer (814) is fixedly mounted on the outer side of a support plate (827).

3. The turning and grabbing device for vibration demoulding in a kerb production line according to claim 1 is characterized in that the hydraulic pump of the hydraulic system (800) and the control element, i.e. the hydraulic valve, are mounted on the upper end face of the supporting frame (815).

4. The turnover grabbing device for vibration demoulding in a kerb production line according to claim 1, characterized in that a left limiting bolt (8221 ') is arranged on the outer side of the claw left arm (817'), the left limiting bolt (8221 ') is in threaded connection with a left lug plate (8222') fixed on the side wall of the square shaft, the left limiting bolt (8221 ') is locked by an adjusting nut in threaded connection with the left limiting bolt and positioned on the outer side of the left lug plate, and when the claw left arm (817') is perpendicular to the square shaft (825), a gap is left between the inner end of the left limiting bolt (8221 ') and the outer side surface of the claw left arm (817'); the outer side of the claw right arm (817) is provided with a right limiting bolt (8221), the right limiting bolt (8221) is in threaded connection with a right lug plate (8222) fixed on the side wall of the square shaft, the right limiting bolt (8221) is locked by an adjusting nut in threaded connection with the right limiting bolt and positioned on the outer side of the right lug plate, and when the claw right arm (817) and the square shaft (825) are in a vertical state, a gap is reserved between the inner side end of the right limiting bolt (8221) and the outer side surface of the claw right arm (817).

5. The turnover grabbing device for vibration demoulding in a kerbstone production line according to claim 1, wherein the limiting mechanisms (821) for preventing the left side claw and the right side claw from rotating randomly are two independent limiting mechanisms, one limiting mechanism is connected between the left sleeve (819 ') and the left side clamping plate (818'), the other limiting mechanism is connected between the right sleeve (819) and the right side clamping plate (818), and each limiting mechanism (821) is provided with an L-shaped positioning plate (8211), two compression springs (8212), a limiting bolt (8213) and a fixed column (8214);

for the limiting mechanism with the left sleeve (819 ') connected with the left clamping plate (818 '), a longitudinal arm of the L-shaped positioning plate is fixedly connected with the outer side wall of the left sleeve, a limiting bolt transversely penetrates through a mounting hole in a transverse arm of the L-shaped positioning plate, the bottom end of the limiting bolt is hinged with the top of a corresponding fixing column to form a hinged point, the bottom end of the fixing column is fixedly connected with the top end of the left clamping plate (818 '), and one compression spring between the head of the limiting bolt and the transverse arm of the L-shaped positioning plate and the other compression spring between the hinged point and the transverse arm of the L-shaped positioning plate are sleeved on the limiting bolt;

for the limiting mechanism with the right sleeve (819) connected with the right clamping plate (818), a longitudinal arm of the L-shaped positioning plate is fixedly connected with the outer side wall of the right sleeve, a limiting bolt transversely penetrates through a mounting hole in a transverse arm of the L-shaped positioning plate, the bottom end of the limiting bolt is hinged to the top of a corresponding fixing column to form a hinged point, the bottom end of the fixing column is fixedly connected with the top end of the right clamping plate (818), and one compression spring located between the head of the limiting bolt and the transverse arm of the L-shaped positioning plate and the other compression spring located between the hinged point and the transverse arm of the L-shaped positioning plate are sleeved on the limiting bolt.

6. The turning grabbing device for vibration demoulding in a kerb production line as claimed in claim 1, wherein the lower part of the front end of the supporting frame (815) is provided with a buffer device (816) which is firstly contacted with the other conveying device when the turning grabbing device (812) is in a turning state and the product kerb is placed on the other conveying device, the buffer device (816) is provided with two longitudinal bodies (8161), a transverse body (8162) and a pair of buffer mechanisms (8163) arranged on the transverse body, the upper ends of the two longitudinal bodies (8161) are fixedly connected with the lower part of the front end of the supporting frame (815), the lower ends of the two longitudinal bodies (8161) are fixedly connected with the two ends of the transverse body (8162), each buffer mechanism (8163) is provided with a bottom plate (81633), a pair of positioning plates (81631) which are transversely arranged and respectively fixed on the front side wall and the rear side wall of the transverse body, and a positioning plate (81631), A pair of compression springs (81632) respectively arranged between one of the positioning plates and the bottom plate, and a pair of studs (81634) respectively longitudinally penetrating through the mounting hole on one of the positioning plates; in each buffer mechanism (8163), a pressure spring (81632) is sleeved on one corresponding stud (81634), the bottom end of each stud (81634) is in threaded connection with a bottom plate (81633), and the upper end of each stud (81634) extends out of a mounting hole in a positioning plate (81631) and is locked by a nut.