CN212197395U - Turnover clamping mechanism of plate turnover machine - Google Patents

Abstract

The utility model belongs to the technical field of the panel turnover machine, especially, relate to a panel turnover machine's upset clamping mechanism. The utility model discloses, including setting up the last platform of carrying and carrying the platform down of two symmetries in turning over the board frame, last carry the platform and carry the platform down and link to each other with last pedestal and the lower pedestal that turns over the board frame respectively, last carry and all be equipped with vertical lift direction subassembly between platform and the four stands, last carry and be equipped with at least linear drive group between platform and the lower pedestal, linear drive group including two carry the platform linear drive ware of platform and lower pedestal both sides of being located respectively. The utility model discloses a set up the direction slide rail, carry the platform to last and play the guide effect, simultaneously through setting up the balanced subassembly of lift, can ensure to carry the platform to be in the horizontality all the time at the lift in-process, ensure can not take place the angle and deflect, press from both sides tight accuracy higher, avoid carrying a linear actuator to bear the pressure too big in the course of the work simultaneously, take place crooked.

Description

Turnover clamping mechanism of plate turnover machine

Technical Field

The utility model belongs to the technical field of panel turnover machine, a panel turnover machine's upset clamping mechanism is related to.

Background

The plate turnover machine is a common turnover device for producing door core plates, fire doors and the like, the door core plates need to be turned in the processing process, but turning under the common condition is manually operated, so that great troubles are caused, and human resources are wasted. The existing plate turnover machine only realizes the turnover function, and when the plate is clamped, a guide mechanism is not arranged, so that the clamping device is easy to shift, meanwhile, the clamping device cannot be always kept in a horizontal state in the clamping process, the angle deflection is easy to occur, and the clamping accuracy is poor.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a plate turnover machine is disclosed in the Chinese patent application number: 201010206089.9], comprising: a frame; the motor is fixed at one end of the rack, and a first mounting plate is fixed on an output shaft of the motor; the second mounting plate is hinged to the other end of the rack and rotates in the same direction as the rotating motor; the first transmission component and the second transmission component are arranged between the first mounting plate and the second mounting plate and used for transmitting the turnover plate, and the distance between the first transmission component and the second transmission component is greater than the thickness of the turnover plate; and an anti-falling part for preventing the turnover plate from falling is arranged between the first transmission part and the second transmission part. According to the technical scheme, the two transmission components are arranged between the first mounting plate and the second mounting plate, when the turnover plate is transmitted to the designated position by the first transmission component, and the motor drives the first mounting plate and the second mounting plate to turn over for 180 degrees, the turnover plate and the two transmission components also turn over simultaneously. However, in the clamping process, the clamping device is prone to position deviation, and meanwhile, the clamping device cannot be always kept in a horizontal state in the clamping process, so that the angle deflection is prone to occurring, and the defect that the clamping accuracy is poor exists.

Disclosure of Invention

The utility model aims at the above-mentioned problem, a upset clamping mechanism of panel turnover machine is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the turnover clamping mechanism of the plate turnover machine comprises an upper conveying table and a lower conveying table which are symmetrically arranged in a plate turnover machine base, wherein the upper conveying table and the lower conveying table are respectively connected with an upper pedestal and a lower pedestal of the plate turnover machine base, vertical lifting guide assemblies are respectively arranged between the upper conveying table and four stand columns, at least one linear driving group is arranged between the upper conveying table and the lower pedestal, the linear driving group comprises two conveying table linear drivers respectively arranged at two sides of the upper conveying table and two sides of the lower pedestal, and lifting balance assemblies which are symmetrically arranged in a reverse direction are respectively arranged at the front side and the rear side of each conveying table linear driver.

In the turnover clamping mechanism of the plate turnover machine, the lifting balance assembly comprises a first pulley arranged on one side of the lower conveying table, a second pulley is arranged on the side part of the upper pedestal above the first pulley, a third pulley is arranged on the side part of the upper pedestal far away from the second pulley, transmission ropes are arranged on the first pulley, the second pulley and the third pulley in a penetrating manner, and two ends of each transmission rope are respectively fixed on two sides of the upper conveying table.

In the turnover clamping mechanism of the plate turnover machine, two groups of linear driving groups which are respectively positioned at two ends are arranged between the upper conveying table and the lower table seat.

In the turnover clamping mechanism of the plate turnover machine, the conveying table linear driver comprises a hydraulic cylinder, one end of the hydraulic cylinder is hinged to the side part of the lower pedestal, the other end of the hydraulic cylinder is hinged to the side part of the upper conveying table, the vertical lifting guide assembly comprises a guide slide rail, and the upper conveying table is in sliding fit with the guide slide rail.

In the turnover clamping mechanism of the plate turnover machine, the turnover machine base is provided with the rotatable gear ring frame group, the upper pedestal and the lower pedestal are positioned in the gear ring frame group, the turnover machine base is also provided with the over-position preventing baffle capable of reciprocating in a linear direction along the vertical direction, the over-position preventing baffle corresponds to the gear ring frame group, the upper pedestal is provided with a plurality of side push plate assemblies which are symmetrical along the central line of the upper pedestal and can reciprocate in a linear direction, and the side push plate assemblies correspond to the lower pedestal.

In foretell panel turnover machine's upset clamping mechanism, lateral part push pedal subassembly including the symmetry set up two side pushes away on last pedestal and prevent inclined to one side board, the side push prevent being equipped with the elastic backing plate on the inclined to one side board, last pedestal on be equipped with a plurality of support fixed plates of pedestal central line symmetry on along, support fixed plate be close to the side and push away and prevent inclined to one side board one end and be equipped with vertical chute, the side push prevent that inclined to one side board keeps away from elastic backing plate one end and be equipped with and extend and let in to the inclined to one side picture peg of preventing in the vertical chute.

In foretell panel turnover machine's upset clamping mechanism, last pedestal on still be equipped with a plurality of sideslip mount pads of following the symmetry of last pedestal central line, the mount pad that sideslips can be followed and is close to or keep away from last pedestal and be reciprocating linear motion, the mount pad that sideslips be equipped with first linear actuator, first linear actuator's power shaft and side-push prevent that the inclined to one side board links to each other, last pedestal in be equipped with a plurality of second linear actuator of following the symmetry of last pedestal central line, second linear actuator's power shaft and the mount pad that sideslips continuous.

In foretell panel turnover machine's upset clamping mechanism, last pedestal on be equipped with two and follow the fender slide board of last pedestal central line symmetry, fender slide board and supporting fixed plate sliding fit, sideslip mount pad and fender slide board sliding fit, the transversal L type of personally submitting of fender slide board, the mount pad top of sideslip be equipped with the anticreep spout, fender slide board bottom be equipped with the anticreep locating plate that extends to letting in to the anticreep spout, the shape of anticreep locating plate and anticreep spout match and be fit for.

In the turnover clamping mechanism of the plate turnover machine, the upper pedestal is provided with a plurality of upper conveying rollers which are parallel to each other, the lower pedestal is provided with a plurality of lower conveying rollers which are parallel to each other, and the axial lead of the upper conveying rollers is parallel to the axial lead of the lower conveying rollers.

In the turnover clamping mechanism of the plate turnover machine, the upper pedestal is internally provided with a plurality of plate shockproof upper butt blocks which are symmetrical along the central line of the upper pedestal and can do reciprocating motion along a straight line, the plate shockproof upper butt blocks and the upper conveying rollers are arranged in a staggered manner, the lower pedestal is internally provided with a plurality of plate shockproof lower butt blocks which are symmetrical along the central line of the lower pedestal and can do reciprocating motion along a straight line, and the plate shockproof lower butt blocks and the lower conveying rollers are arranged in a staggered manner.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a set up the direction slide rail, carry the platform to last and play the guide effect, simultaneously through setting up the balanced subassembly of lift, can ensure to carry the platform to be in the horizontality all the time at the lift in-process, ensure can not take place the angle and deflect, press from both sides tight accuracy higher, avoid carrying a linear actuator to bear the pressure too big in the course of the work simultaneously, take place crooked.

2. The utility model discloses a set up the transportation roller set, prevent excessive baffle and lateral part push pedal subassembly, remove panel to treating the clamping position through the transportation roller set, it is ascending to prevent the excessive baffle, make panel can not take place the excessive condition in the transportation, ensure that panel treats tight position, it is close to with lower pedestal in step to go up the pedestal this moment, press from both sides tightly to panel, align the panel lateral part through lateral part push pedal subassembly near the in-process, ensure earlier that panel is in placing between the two parties, the tight accuracy of clamp has been improved, avoid uneven deflection to appear in the clamping process panel, it can neatly transport to have ensured the panel after the upset, the condition that the panel card went is avoided appearing.

3. The utility model discloses a set up and prevent inclined to one side picture peg and vertical spout, prevent inclined to one side board removal in-process in the side propulsion, prevent that inclined to one side picture peg is located vertical spout all the time and prevent inclined to one side picture peg and vertical spout sliding fit, avoid the side propulsion to prevent inclined to one side board at the removal in-process, position and angular deviation appear, have improved the side propulsion and have prevented the removal precision of inclined to one side board.

4. The utility model discloses a set up panel and take precautions against earthquakes and go up butt piece and panel and take precautions against earthquakes down butt piece, when loosening panel after the upset, start the cylinder, take precautions against earthquakes to the panel that is located the panel top after the upset and go up butt piece or panel and take precautions against earthquakes down the butt piece and remove for panel takes precautions against earthquakes and goes up butt piece or panel and take precautions against earthquakes down the butt piece and the panel upper surface looks butt after the upset, avoids loosening panel after, thereby panel takes place to shake and leads to positional deviation, plays the guard action to the panel surface.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

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

FIG. 2 is a schematic structural view of a side push plate assembly.

Fig. 3 is a schematic structural view in another direction of the present invention.

Fig. 4 is a schematic structural view of the anti-dropping positioning plate.

In the figure: the device comprises a plate turnover machine base 1, a gear rack group 2, an upper pedestal 3, a lower pedestal 4, an anti-over position baffle 6, a side push plate assembly 7, a side push anti-deflection plate 8, an elastic cushion plate 9, a supporting and fixing plate 10, a vertical chute 11, an anti-deflection inserting plate 12, a side sliding mounting seat 13, a first linear driver 14, a second linear driver 15, a baffle sliding plate 16, an anti-falling chute 17, an anti-falling positioning plate 18, an upper transport roller 19, a lower transport roller 20, a plate anti-falling upper butt block 21, a plate anti-falling lower butt block 22, an upper transport table 30, a lower transport table 31, an upright column 32, a vertical lifting guide assembly 33, a linear driving group 34, a transport table linear driver 35, a lifting balance assembly 36, a first pulley 37, a second pulley 38, a third pulley 39, a transmission rope 40 and a guide slide rail 41.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-4, the turnover clamping mechanism of a plate turnover machine comprises an upper conveying table 30 and a lower conveying table 31 which are arranged in a plate turnover base 1 in a two-symmetrical manner, and is characterized in that the upper conveying table 30 and the lower conveying table 31 are respectively connected with an upper pedestal 3 and a lower pedestal 4 of the plate turnover base 1, vertical lifting guide assemblies 33 are respectively arranged between the upper conveying table 30 and four upright posts 32, at least one linear driving group 34 is arranged between the upper conveying table 30 and the lower pedestal 4, the linear driving group 34 comprises two conveying table linear drivers 35 which are respectively arranged at two sides of the upper conveying table 30 and the lower pedestal 4, and lifting balance assemblies 36 which are oppositely and symmetrically arranged are respectively arranged at the front side and the rear side of the conveying table linear drivers 35.

In this embodiment, on carry platform 30 and carry platform 31 down to be used for transporting panel, carry platform linear actuator 35 to drive and carry platform 30 to be close to down and carry platform 31 one end to remove, press from both sides tight back to panel, the upset again, vertical lift direction subassembly 33 plays the guide effect to last platform 30 of carrying, lift balance assembly 36 can ensure to carry platform 30 to be in the horizontality all the time at the lift in-process on, ensure not to take place the angle deflection, it is higher to press from both sides tight accuracy, avoid simultaneously carrying platform linear actuator 35 to bear the pressure too big in the course of the work, take place crooked.

Referring to fig. 1 and 2, the lifting balance assembly 36 includes a first pulley 37 disposed on one side of the lower conveying table 31, a second pulley 38 is disposed on a side portion of the upper pedestal 3 above the first pulley 37, a third pulley 39 is disposed on a side portion of the upper pedestal 3 far away from the second pulley 38, a transmission rope 40 is threaded through the first pulley 37, the second pulley 38 and the third pulley 39, and two ends of the transmission rope 40 are respectively fixed on two sides of the upper conveying table 30.

Specifically, the transmission rope 40 plays a role in transmitting the first pulley 37, the second pulley 38 and the third pulley 39, and the first pulley 37, the second pulley 38 and the third pulley 39 are matched with the transmission rope 40, so that the upper conveying table 30 is always in a horizontal state in the lifting process, the angular deflection is avoided, and the clamping accuracy is high.

As shown in fig. 1, two linear driving sets 34 are disposed between the upper conveying table 30 and the lower table 4.

Referring to fig. 2, the conveyor table linear actuator 35 includes a hydraulic cylinder, one end of the hydraulic cylinder is hinged to the side of the lower base 4, the other end of the hydraulic cylinder is hinged to the side of the upper conveyor table 30, the vertical lifting guide assembly 33 includes a guide rail 41, and the upper conveyor table 30 is slidably engaged with the guide rail 41.

In this embodiment, the upper conveying table 30 moves along the guide slide rail 41 in the moving process, the guide slide rail 41 plays a role in accurate guiding for the upper conveying table 30, and when the upper conveying table 30 needs to be moved, the hydraulic cylinder is started, and the upper conveying table 30 is driven to lift by the power shaft of the hydraulic cylinder.

As shown in fig. 1 and 2, the turning plate base 1 is provided with a rotatable gear ring frame group 2, the upper pedestal 3 and the lower pedestal 4 are located in the gear ring frame group 2, the turning plate base 1 is further provided with an anti-over baffle 6 capable of performing reciprocating linear motion along the vertical direction, the anti-over baffle 6 corresponds to the gear ring frame group 2, the upper pedestal 3 is provided with a plurality of side push plate assemblies 7 which are symmetrical along the central line of the upper pedestal 3 and capable of performing reciprocating linear motion, and the side push plate assemblies 7 correspond to the lower pedestal 4.

In this embodiment, be equipped with the linear actuator on the board frame 1 that turns over, the power shaft of linear actuator links to each other with preventing overlevel baffle 6, when needs are to panel upset, through last transport table 30 or transport table 31 down with panel removal to treating the clamping position, it rises to prevent overlevel baffle 6, make panel can not take place the overlevel condition in the transportation, ensure that panel treats the clamping position, it is close to with lower platform 4 synchronization to go up pedestal 3 this moment, press from both sides panel tightly, align the panel lateral part through lateral part push pedal subassembly 7 at the approach in-process, ensure earlier that panel is in placing between two parties, the precision of pressing from both sides has been improved, avoid uneven deflection to appear in the panel in the clamping process, ensured that the board can neatly be transported after the upset, avoid the condition that the panel card is gone here.

Lateral part push pedal subassembly 7 set up two side pushes away including the symmetry on last pedestal 3 and prevent inclined to one side board 8, the side push prevent being equipped with elastic backing plate 9 on the inclined to one side board 8, last pedestal 3 on be equipped with a plurality of support fixed plate 10 of 3 central lines symmetries of pedestal along, support fixed plate 10 be close to the side push and prevent being equipped with vertical chute 11 on the inclined to one side board 8 one end, the side push prevent that inclined to one side board 8 keeps away from elastic backing plate 9 one end and be equipped with and extend to let in to vertical chute 11 prevent inclined to one side picture peg 12.

In this embodiment, before pressing from both sides tightly, earlier align the panel lateral part through side-push prevents inclined to one side board 8, ensure that panel is in placing placed between two parties, in the in-process that promotes panel, elastic backing plate 9 plays the cushioning effect, avoid causing surface damage to the panel lateral part, skilled person in the art should understand, elastic backing plate 9 is made by elastic rubber material, elastic rubber material can select for use natural rubber or isoprene rubber to make, in the side-push prevents inclined to one side board 8 removal in-process, prevent inclined to one side picture peg 12 and vertical chute 11 sliding fit in being located vertical chute 11 all the time, avoid the side-push to prevent inclined to one side board 8 in the removal in-process, position and angular deviation appear, the removal precision of side-push prevents inclined to one side board.

Combine fig. 2, fig. 4 to show, last pedestal 3 on still be equipped with a plurality of sideslip mount pad 13 of following the symmetry of last pedestal 3 central line, sideslip mount pad 13 can be followed and be close to or keep away from last pedestal 3 and be reciprocating linear motion, sideslip mount pad 13 in be equipped with first linear actuator 14, first linear actuator 14 the power shaft with the side thrust prevent that the inclined to one side board 8 links to each other, last pedestal 3 in be equipped with a plurality of second linear actuator 15 of following the symmetry of last pedestal 3 central line, the power shaft of second linear actuator 15 with the mount pad 13 that sideslips and link to each other.

In this embodiment, the side-sliding mounting seat 13 is used to mount a first linear actuator 14, when the position of the side-sliding deviation-preventing plate 8 in the vertical direction needs to be adjusted, the first linear actuator 14 is started, the power shaft of the first linear actuator 14 drives the side-sliding deviation-preventing plate 8 to move, when the position of the side-sliding deviation-preventing plate 8 in the horizontal direction needs to be adjusted, the second linear actuator 15 is started, and the power shaft of the second linear actuator 15 drives the side-sliding mounting seat 13 and the side-sliding deviation-preventing plate 8 to move, and those skilled in the art will understand that the first linear actuator 14 and the second linear actuator 15 may be cylinders, oil cylinders, or linear motors.

Combine fig. 2, fig. 4 to show, last pedestal 3 on be equipped with two and follow the fender slide 16 of 3 central lines of last pedestal symmetry, fender slide 16 and support fixed plate 10 sliding fit, sideslip mount pad 13 and fender slide 16 sliding fit, fender slide 16 transversal personally submit the L type, 13 tops of sideslip mount pad be equipped with anticreep spout 17, fender slide 16 bottom be equipped with and extend to let in to the anticreep locating plate 18 in the anticreep spout 17, anticreep locating plate 18 match with the shape of anticreep spout 17 and fit.

In this embodiment, keep off slide 16 and can play limiting displacement to sideslip mount pad 13, improve the displacement accuracy of mount pad 13 that sideslips, sliding fit through between anticreep locating plate 18 and the anticreep spout 17 can ensure that mount pad 13 that sideslips is at the horizontal migration in-process, the power shaft of second linear actuator 15 can not take place the atress and deflect, the life of power shaft has been improved, the cross section of anticreep locating plate 18 is personally submitted the style of calligraphy of falling T, the cross section of anticreep spout 17 also is the style of calligraphy of falling T, it supports to sideslip mount pad 13 to make things convenient for.

Referring to fig. 1 and 3, the upper base 3 is provided with a plurality of upper transportation rollers 19 parallel to each other, the lower base 4 is provided with a plurality of lower transportation rollers 20 parallel to each other, and the axial line of the upper transportation rollers 19 is parallel to the axial line of the lower transportation rollers 20.

In this embodiment, the sheet material can be transported by rotating the upper transport roller 19 and the lower transport roller 20, ensuring that the sheet material is transported on both sides after being turned.

It is shown in combination with fig. 3, last pedestal 3 in be equipped with a plurality of take precautions against earthquakes along last pedestal 3 central line symmetry and can follow straight reciprocating motion's panel go up butt piece 21, panel take precautions against earthquakes and go up butt piece 21 and last transportation roller 19 crisscross setting, lower pedestal 4 in be equipped with a plurality of take precautions against earthquakes down butt piece 22 along 4 central line symmetries of lower pedestal and can follow straight reciprocating motion's panel, panel take precautions against earthquakes down butt piece 22 and transport roller 20 crisscross setting down.

In this embodiment, the panel takes precautions against earthquakes and goes up butt piece 21 and panel and take precautions against earthquakes down butt piece 22 and be connected with the cylinder, when loosening the panel after the upset, start the cylinder, take precautions against earthquakes to be located the panel of panel top after the upset and go up butt piece 21 or panel and take precautions against earthquakes down butt piece 22 and remove, make the panel take precautions against earthquakes to go up butt piece 21 or panel and take precautions against earthquakes down butt piece 22 and the panel upper surface looks butt after the upset, avoid loosening panel after, thereby panel takes place to shake and leads to position deviation, play the guard action to the panel surface.

The utility model discloses a theory of operation is:

the guide slide rail 41 plays a role in guiding the upper conveying table 30, and the first pulley 37, the second pulley 38 and the third pulley 39 are matched with the transmission rope 40, so that the upper conveying table 30 can be ensured to be always in a horizontal state in the lifting process, the angle deflection is ensured not to occur, the clamping accuracy is higher, and meanwhile, the phenomenon that the linear driver 35 of the conveying table bears too much pressure in the working process and is bent is avoided.

When needs are to panel upset, through last transport roller 19 or transport roller 20 down with panel remove to treating the clamping position, will prevent that the position baffle 6 from rising for the excessive condition can not take place for panel in the transportation, ensures that panel treats the tight position of clamp, starts lift cylinder this moment and drives pedestal 3 and lower pedestal 4 and be close to in step, presss from both sides tightly panel.

Starting first linear actuator 14 and second linear actuator 15 near the in-process, driving the side and pushing off and preventing inclined to one side board 8 and elastic backing plate 9 and removing, aliging the panel lateral part, ensure earlier that panel is in between two parties and places, improved tight accuracy of clamp, avoid pressing from both sides the uneven deflection of panel appearance in the clamping process, ensured that the upset back panel can neatly be transported, avoid appearing the condition that panel blocks.

In the moving process of the side-push deviation-prevention plate 8, the deviation-prevention inserting plate 12 is always positioned in the vertical sliding groove 11, the deviation-prevention inserting plate 12 is in sliding fit with the vertical sliding groove 11, the position and angle deviation of the side-push deviation-prevention plate 8 in the moving process is avoided, and the moving precision of the side-push deviation-prevention plate 8 is improved.

The panel takes precautions against earthquakes and goes up butt piece 21 and panel and take precautions against earthquakes down butt piece 22 and be connected with the cylinder, when loosening panel after the upset, start the cylinder, take precautions against earthquakes to the panel that is located the panel top after the upset and go up butt piece 21 or panel and take precautions against earthquakes down butt piece 22 and remove, thereby make panel take precautions against earthquakes and go up butt piece 21 or panel and take precautions against earthquakes down butt piece 22 and the panel upper surface looks butt after the upset, avoid loosening panel after, thereby panel takes place to shake and leads to positional deviation, play the guard action to panel surface.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.

Although the terms of the flap seat 1, the ring gear frame group 2, the upper seat 3, the lower seat 4, the over-position preventing baffle 6, the side push plate assembly 7, the side push anti-deviation plate 8, the elastic cushion plate 9, the supporting and fixing plate 10, the vertical chute 11, the anti-deviation inserting plate 12, the side sliding installation seat 13, the first linear driver 14, the second linear driver 15, the sliding blocking plate 16, the anti-falling chute 17, the anti-falling positioning plate 18, the upper transport roller 19, the lower transport roller 20, the plate anti-vibration upper abutting block 21, the plate anti-vibration lower abutting block 22, the upper transport table 30, the lower transport table 31, the upright column 32, the vertical lifting guide assembly 33, the linear driving group 34, the transport table linear driver 35, the lifting balance assembly 36, the first pulley 37, the second pulley 38, the third pulley 39, the driving rope 40, the guide sliding rail 41 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims (10)

1. The turnover clamping mechanism of the plate turnover machine comprises an upper conveying table (30) and a lower conveying table (31) which are arranged in a plate turnover machine base (1) in a two-symmetrical mode, and is characterized in that the upper conveying table (30) and the lower conveying table (31) are respectively connected with an upper pedestal (3) and a lower pedestal (4) of the plate turnover machine base (1), vertical lifting guide assemblies (33) are arranged between the upper conveying table (30) and four upright posts (32), at least one linear driving group (34) is arranged between the upper conveying table (30) and the lower pedestal (4), each linear driving group (34) comprises two conveying table linear drivers (35) which are respectively arranged on two sides of the upper conveying table (30) and two sides of the lower pedestal (4), and lifting balance assemblies (36) which are oppositely and symmetrically arranged are respectively arranged on the front side and the back side of each conveying table linear driver (35).

2. The turnover clamping mechanism of the plate turnover machine according to the claim 1, characterized in that the lifting balance assembly (36) comprises a first pulley (37) arranged at one side of the lower conveying platform (31), a second pulley (38) is arranged at the side part of the upper pedestal (3) above the first pulley (37), a third pulley (39) is arranged at the side part of the upper pedestal (3) far away from the second pulley (38), a transmission rope (40) is arranged on the first pulley (37), the second pulley (38) and the third pulley (39) in a penetrating way, and two ends of the transmission rope (40) are respectively fixed at two sides of the upper conveying platform (30).

3. The turning and clamping mechanism of a plate turnover machine according to claim 1 is characterized in that two linear driving sets (34) are respectively arranged between the upper conveying table (30) and the lower pedestal (4).

4. The turning clamping mechanism of a plate turnover machine according to claim 1 characterized in that said conveyor table linear actuator (35) comprises a hydraulic cylinder hinged at one end to the side of the lower pedestal (4) and at the other end to the side of the upper conveyor table (30), said vertical elevation guide assembly (33) comprising a guide rail (41), said upper conveyor table (30) being slidably engaged with the guide rail (41).

5. The turnover clamping mechanism of the plate turnover machine according to claim 1, characterized in that the plate turnover machine base (1) is provided with a rotatable gear ring frame set (2), the upper pedestal (3) and the lower pedestal (4) are positioned in the gear ring frame set (2), the plate turnover machine base (1) is further provided with an anti-over baffle (6) which can reciprocate linearly in the vertical direction, the anti-over baffle (6) corresponds to the gear ring frame set (2), the upper pedestal (3) is provided with a plurality of side push plate assemblies (7) which are symmetrical along the center line of the upper pedestal (3) and can reciprocate linearly, and the side push plate assemblies (7) correspond to the lower pedestal (4).

6. The turnover clamping mechanism of the plate turnover machine according to claim 5, characterized in that the side push plate assembly (7) comprises two side push deviation prevention plates (8) symmetrically arranged on the upper pedestal (3), the side push deviation prevention plates (8) are provided with elastic cushion plates (9), the upper pedestal (3) is provided with a plurality of supporting and fixing plates (10) symmetrical along the center line of the upper pedestal (3), one end of each supporting and fixing plate (10) close to the side push deviation prevention plate (8) is provided with a vertical chute (11), and one end of each side push deviation prevention plate (8) far away from the elastic cushion plate (9) is provided with a deviation prevention inserting plate (12) extending into the vertical chute (11).

7. The turnover clamping mechanism of the plate turnover machine according to claim 6, characterized in that, said upper pedestal (3) on still be equipped with a plurality of sideslip mount pads (13) along the symmetry of upper pedestal (3) central line, said sideslip mount pad (13) can be followed and be close to or keep away from upper pedestal (3) and make reciprocating linear motion, said sideslip mount pad (13) in be equipped with first linear actuator (14), the power shaft of first linear actuator (14) link to each other with sideslip protection board (8), said upper pedestal (3) in be equipped with a plurality of second linear actuators (15) along the symmetry of upper pedestal (3) central line, the power shaft of second linear actuator (15) link to each other with sideslip mount pad (13).

8. The turnover clamping mechanism of the plate turnover machine according to claim 7, characterized in that two sliding blocking plates (16) symmetrical along the center line of the upper pedestal (3) are arranged on the upper pedestal (3), the sliding blocking plates (16) are in sliding fit with the supporting and fixing plate (10), the side-sliding mounting seat (13) is in sliding fit with the sliding blocking plates (16), the cross section of the sliding blocking plates (16) is L-shaped, an anti-dropping chute (17) is arranged at the top of the side-sliding mounting seat (13), an anti-dropping positioning plate (18) extending into the anti-dropping chute (17) is arranged at the bottom of the sliding blocking plates (16), and the anti-dropping positioning plate (18) is matched with the anti-dropping chute (17) in shape.

9. The turnover clamping mechanism of a plate turnover machine according to claim 1, characterized in that a plurality of mutually parallel upper transport rollers (19) are arranged on the upper pedestal (3), a plurality of mutually parallel lower transport rollers (20) are arranged on the lower pedestal (4), and the axial line of the upper transport rollers (19) is mutually parallel to the axial line of the lower transport rollers (20).

10. The turnover clamping mechanism of a plate turnover machine according to claim 9, characterized in that a plurality of plate shockproof upper abutting blocks (21) which are symmetrical along the central line of the upper pedestal (3) and can reciprocate along a straight line are arranged in the upper pedestal (3), the plate shockproof upper abutting blocks (21) and the upper conveying rollers (19) are arranged in a staggered manner, a plurality of plate shockproof lower abutting blocks (22) which are symmetrical along the central line of the lower pedestal (4) and can reciprocate along a straight line are arranged in the lower pedestal (4), and the plate shockproof lower abutting blocks (22) and the lower conveying rollers (20) are arranged in a staggered manner.

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