CN113085275A

CN113085275A - Ninety-degree bending fixture for ecological plate

Info

Publication number: CN113085275A
Application number: CN202110411419.6A
Authority: CN
Inventors: 麻泽冬
Original assignee: Wenzhou Shengzao Trading Co ltd
Current assignee: Wenzhou Shengzao Trading Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-07-09

Abstract

The invention relates to the technical field of clamps, in particular to a clamp for ninety-degree bending of an ecological plate. The utility model provides a ninety degrees anchor clamps for bending of ecological plate, is including placing the anchor clamps body other in the benchmark circular arc, anchor clamps body roof is provided with the ascending groove interval chamber of opening, be provided with feed mechanism in the groove interval chamber, feed mechanism includes the groove interval subassembly of butt benchmark circular arc and is located feed assembly on the groove interval subassembly, anchor clamps body roof is located groove interval chamber one side is provided with the fixture that is used for the centre gripping ecological plate, groove interval subassembly passes through the benchmark circular arc and drives feed assembly with the change of initial interval between the fixture to realize the change of groove interval, not only can save the time of artifical marking off, still make the groove interval more balanced, reduce the fluting angle skew probability that the ecological plate removed the result simultaneously.

Description

Ninety-degree bending fixture for ecological plate

Technical Field

The invention relates to the technical field of clamps, in particular to a clamp for ninety-degree bending of an ecological plate.

Background

The ecological plate is also called a paint-free plate and a melamine plate, and is composed of surface layer paper, decorative paper, covering paper, bottom layer paper and the like, and has the characteristics of beautiful surface, convenient construction, ecological environmental protection, scratch resistance, wear resistance and the like, so the ecological plate is popular with the public, and is widely applied to the fields of household decoration, plate type furniture, cabinets, bathrooms, cabinets and the like, in the application, the ecological plate needs to be bent, a plurality of grooves need to be formed in the bending process so that the ecological plate can be bent, in order to ensure better bending, the groove positions need to be scribed, the working efficiency is reduced to a certain extent, in addition, in the case of different arc lengths, the groove intervals can be correspondingly increased and decreased so as to achieve good bending effect and strength, but in the manual calculation, deviation can occur, so that certain groove intervals are wide or narrow, and the bending effect and strength are influenced to a certain extent, therefore, a jig for bending the ecological plate by ninety degrees is needed to be designed.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the fixture for bending the ecological plate by ninety degrees, which not only can save the time of manual marking, but also can ensure that the groove spacing is more balanced, and simultaneously can reduce the probability of groove angle deviation caused by the movement of the ecological plate.

The technical scheme adopted by the invention for solving the technical problems is as follows: a ninety-degree bending fixture for an ecological plate comprises a fixture body placed beside a reference circular arc, wherein a groove spacing cavity with an upward opening is formed in the top wall of the fixture body, a feeding mechanism is arranged in the groove spacing cavity and comprises a groove spacing component abutting against the reference circular arc and a feeding component positioned on the groove spacing component, a clamping mechanism used for clamping the ecological plate is arranged on one side of the groove spacing cavity of the top wall of the fixture body, the groove spacing component drives the feeding component and the clamping mechanism to change the initial spacing through the reference circular arc, so that the groove spacing is changed, the feeding component moves through a lead screw nut, so that the ecological plate is driven to feed, a guide mechanism is arranged on the side wall of the fixture body and comprises a guide component and a clamping component, the guide component is positioned on the top wall of the guide component and is in sliding connection with the fixture body, the direction subassembly is used for instructing the ecological plate and provides parallel benchmark at the feeding in-process, the cooperation of centre gripping subassembly fixture realizes avoiding the ecological plate skew to the centre gripping of ecological plate, also gives the benchmark of the perpendicular ecological plate of electric saw simultaneously.

Preferably, the slot pitch assembly comprises two tangent shafts which are positioned at the bottom wall of the fixture body and rotate, a tangent plate which is fixed on the outer end of the tangent shaft extending out of the fixture body, a gear which is fixed on the inner end of one tangent shaft extending into the slot pitch cavity in the axial direction, a sliding block which is positioned in the slot pitch cavity and slides, a rack which is fixed on the bottom wall of the sliding block and is meshed with the gear, a grating ruler which is fixed on the wall of the slot pitch cavity, and a feeding cavity which is positioned on the sliding block and has an upward opening.

Preferably, the feeding assembly comprises a screw rod penetrating through the feeding cavity along the rack direction, a feeding motor fixed at one end of the screw rod, a feeding slider in threaded connection with the screw rod on the feeding cavity, a feeding clamping motor fixed in the feeding slider and in the output axial direction, a clamping bottom plate fixed on the top wall of the feeding slider, a clamping screw fixed on the output shaft of the feeding clamping motor, clamping guide cavities with upward openings and located at two sides of the feeding clamping motor, a clamping guide rod in sliding in the clamping guide cavities, and a clamping top plate fixed on the clamping guide rod far away from the end of the clamping bottom plate and in threaded connection with the clamping screw rod, wherein the clamping bottom plate is provided with an approach switch.

Preferably, the clamping mechanism comprises a fixed clamping motor fixed in the side wall of the cavity between the grooves and with an upward output shaft, a fixed clamping screw fixed on the output shaft of the fixed clamping motor, two fixed clamping guide cavities positioned on two sides of the fixed clamping motor and with an upward opening, a fixed clamping guide rod positioned in the fixed clamping guide cavities and sliding, a fixed clamping top plate simultaneously fixed on the fixed clamping guide rod and in threaded connection with the fixed clamping screw, an upper roller cavity positioned on the bottom wall of the fixed clamping top plate and with a downward opening, an upper roller shaft penetrating through the upper roller cavity along the moving direction perpendicular to the ecological plate, an upper roller fixed on the outer surface of the upper roller shaft, a lower roller cavity positioned on the top wall opposite to the feeding slide block and with an upward opening, and a lower roller shaft parallel to the upper roller shaft and penetrating through the lower roller cavity, A lower roller fixed on the outer surface of the lower roller shaft.

Preferably, the lower roller and the upper roller are both made of rubber and have anti-slip patterns for improving friction.

Preferably, the guide assembly comprises two outer sliding cylinders which are positioned in the side wall of the clamp body and slide symmetrically according to the center line of the clamp body, an inner sliding rod which is positioned in the outer sliding cylinders and slides, a supporting plate which is fixed on the end, extending out of the clamp body, of the inner sliding rod, two guide plates which are fixed on the top wall of the supporting plate, two supporting screw rods which are in threaded connection with the bottom wall of the supporting plate and are symmetrical according to the center line of the supporting plate, supporting nuts which are intercepted by threads on the outer surfaces of the parts, extending out of the supporting plate, of the supporting screw rods, two spring cavities which are symmetrical according to the outer sliding cylinders, electromagnets which are fixed on the wall of the spring cavity, a pressure spring which is fixed on the wall of the spring cavity.

Preferably, the positioning block has good friction performance, the pressure spring has high elasticity, and the friction between the outer sliding cylinder and the clamp body is greater than the friction between the inner sliding rod and the outer sliding cylinder, so that the inner sliding rod is pulled out before the outer sliding cylinder.

Preferably, the clamping assembly comprises two guide cavities, a pressing pressure spring, a guide rod, a top plate, an upper cavity, a pressing roller shaft, a pressing roller wheel, a lower cavity, a supporting roller wheel shaft and a supporting roller wheel, wherein the two guide cavities are located on the top wall of the guide plate and have upward openings, the pressing pressure spring is fixed on the inner wall of the guide cavity, the guide rod is fixed at the end, far away from the inner wall of the guide cavity, of the pressing pressure spring, the top plate is fixed outside the guide plate, the upper cavity is located on the bottom wall of the top plate and has a downward opening, the pressing roller wheel shaft axially penetrates through the upper cavity, the pressing roller wheel shaft is fixed on the outer surface of the supporting roller wheel shaft, the lower cavity.

Preferably, the pressing roller and the supporting roller are both made of rubber and have anti-skid patterns for improving friction.

The invention has the beneficial effects that 1, the two flat plates are attached to the reference arc to rotate, so that the distance of the clamping blocks is changed by driving the gear rack to change the groove distance; 2. manual marking is avoided through transverse movement of the clamping blocks and the distance between the clamping blocks, so that the groove distance is more balanced, and meanwhile, the working efficiency is improved; 3. by utilizing the telescopic baffle, the slotted vertical ecological plate side edge is ensured while the ecological plates with different widths are adapted.

Drawings

Fig. 1 is an isometric view of a ninety-degree bending fixture for an ecological plate according to the invention;

fig. 2 is a schematic structural view of a fixture for ninety-degree bending of an ecological plate according to the present invention;

FIG. 3 is a schematic view of the structure of F-F in FIG. 2;

FIG. 4 is a schematic structural diagram of B-B in FIG. 3;

FIG. 5 is a schematic diagram of the structure G-G of FIG. 3;

FIG. 6 is a schematic diagram of K-K in FIG. 5;

FIG. 7 is a schematic view of J-J of FIG. 2;

FIG. 8 is a schematic diagram of H-H in FIG. 3;

wherein, 1, a feeding mechanism, 2, a clamping mechanism, 3, a guiding mechanism, 11, a groove spacing component, 12, a feeding component, 31, a guiding component, 32, a clamping component, 101, a clamp body, 102, a tangent plate, 103, a tangent shaft, 104, a gear, 105, a groove spacing cavity, 106, a rack, 107, a slide block, 108, a feeding cavity, 109, a feeding slide block, 110, a screw rod, 111, a feeding clamping motor, 112, a clamping guiding cavity, 113, a clamping bottom plate, 114, a clamping guiding rod, 115, a clamping screw rod, 116, a clamping top plate, 117, a feeding motor, 118, a grating ruler, 201, a fixed clamping motor, 202, a fixed clamping screw rod, 203, a fixed clamping guiding cavity, 204, a fixed clamping guiding rod, 205, a fixed clamping top plate, 206, a lower roller cavity, 207, a lower roller, 208, a lower roller shaft, 209, an upper roller cavity, 210, an upper roller, 211, an upper roller shaft, 301 and an outer sliding barrel, 302. the device comprises an inner sliding rod, 303, a supporting plate, 304, a supporting screw rod, 305, a supporting nut, 306, a top plate, 307, an upper cavity, 308, a downward pressing roller, 309, a downward pressing roller shaft, 310, a lower cavity, 311, a supporting roller, 312, a supporting roller shaft, 313, a guide cavity, 314, a pressing compression spring, 315, a guide rod, 316, a guide plate, 317, a positioning block, 318, a spring cavity, 319, a compression spring, 320 and an electromagnet.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-8, a ninety-degree bending fixture for an ecological plate comprises a fixture body 101 placed beside a reference arc, a slot spacing cavity 105 with an upward opening is formed in the top wall of the fixture body 101, a feeding mechanism 1 is arranged in the slot spacing cavity 105, the feeding mechanism 1 comprises a slot spacing component 11 abutting against the reference arc and a feeding component 12 located on the slot spacing component 11, a clamping mechanism 2 for clamping the ecological plate is arranged on one side of the slot spacing cavity 105 of the top wall of the fixture body 101, the slot spacing component 11 drives the feeding component 12 and the clamping mechanism 2 to change the initial spacing through the reference arc, so that the slot spacing is changed, the feeding component 12 moves through a lead screw nut, so that the ecological plate is driven to be fed, a guide mechanism 3 is arranged on the side wall of the fixture body 101, and the guide mechanism 3 comprises a guide component 31 slidably connected in the fixture body 101 and a guide component 31 located in the fixture body The clamping assembly 32 is arranged on the top wall of the guide assembly 31, the guide assembly 31 is used for indicating that the ecological plate provides parallel reference in the feeding process, the clamping assembly 32 is matched with the clamping mechanism 2 to clamp the ecological plate, the ecological plate is prevented from being deviated, and meanwhile, the reference for the electric saw to be vertical to the ecological plate is also provided.

The inter-slot distance assembly 11 comprises two tangent shafts 103 which are positioned at the bottom wall of the clamp body 101 and rotate, a tangent plate 102 which is fixed on the outer end of the tangent shaft 103 extending out of the clamp body 101, a gear 104 which is fixed on one tangent shaft 103 and extends upwards into the inner end of the inter-slot distance cavity 105, a slide block 107 which is positioned in the inter-slot distance cavity 105 and slides, a rack 106 which is fixed on the bottom wall of the slide block 107 and is meshed with the gear 104, a grating ruler 118 which is fixed on the wall of the inter-slot distance cavity 105, and a feeding cavity 108 which is positioned on the slide block 107 and has an upward opening;

the feeding assembly 12 comprises a lead screw 110 penetrating through the feeding cavity 108 along the direction of the rack 106, a feeding motor 117 fixed at one end of the lead screw 110, a feeding slider 109 in threaded connection with the lead screw 110 on the part of the feeding cavity 108, a feeding clamping motor 111 fixed in the feeding slider 109 and arranged in the output axial direction, a clamping bottom plate 113 fixed on the top wall of the feeding slider 109, a clamping lead screw 115 fixed on the output shaft of the feeding clamping motor 111, clamping guide cavities 112 arranged at two sides of the feeding clamping motor 111 and provided with upward openings, a clamping guide rod 114 arranged in the clamping guide cavity 112 and sliding, and a clamping top plate 116 fixed at the end of the clamping guide rod 114 far away from the clamping bottom plate 113 and in threaded connection with the clamping lead screw 115, wherein the clamping bottom plate 113 is provided with an approach switch; when grooving is needed again, two cutting plates 102 are attached to a reference circular arc, the cutting plates 102 rotate under the action of the circular arc, so that the cutting shafts 103 rotate, the gears 104 are driven to rotate, the racks 106 are driven to move, then the sliders 107 are driven to move, the feeding sliders 109 are driven to move, then the feeding clamping motors 111, the clamping guide rods 114, the clamping top plates 116 and the clamping lead screws 115 are driven to move, so that the distances among the clamping top plates 116, the clamping bottom plates 113 and the clamping mechanisms 2 are changed, then the ecological plates are placed on the top walls 101 of the clamp bodies, the guide mechanisms 3 are pulled to position the ecological plates, then the ecological plates are clamped by the guide mechanisms 3 and the clamping mechanisms 2, and the feeding clamping motors 111 rotate to drive the clamping lead screws 115 to rotate, the clamping screw 115 drives the clamping top plate 116 to move downwards, the clamping guide rod 114 moves downwards along with the clamping top plate 116, the clamping guide rod 114 can enable the clamping top plate 116 not to be influenced by the rotation of the clamping screw 115 to generate angular deviation in the downward moving process, the ecological plate is clamped by the clamping top plate 116 and the clamping bottom plate 113, after the hand saw completes one slotting, the feed motor 117 rotates to drive the screw 110 to rotate, the screw 110 rotates to drive the feed slide block 109 to move, the feed slide block 109 moves to drive the clamping top plate 116 and the clamping bottom plate 113 to move, and further the ecological plate moves, after the clamping bottom plate 113 and the clamping top plate 116 abut against the clamping mechanism 2, the feed clamping motor 111 rotates reversely to drive the clamping screw 115 to rotate reversely, and the clamping screw 115 drives the clamping top plate 116 to move upwards, the clamping guide rod 114 follows the clamping top plate 116 to move upwards so as to loosen the ecological plate, the feed motor 117 rotates reversely to drive the screw rod 110 to rotate reversely so as to drive the feed sliding block 109 to move reversely to restore the original position, then the feed clamping motor 111 rotates to drive the clamping screw rod 115 to rotate, the clamping screw rod 115 rotates to drive the clamping top plate 116 to move downwards to clamp the ecological plate, one-time slotting is completed, the grating ruler 118 detects the moving distance of the rack 106, so that the arc length is compared, the number of forward and reverse rotations of the feed motor 117 is converted, namely, the number of times of feeding of the feed assembly 12 is obtained, so that slotting with different arc lengths is realized, and the slot spacing is balanced.

The clamping mechanism 2 comprises a fixed clamping motor 201 fixed in the side wall of the slot spacing cavity 1051 and with an upward output shaft, a fixed clamping screw 202 fixed on the output shaft of the fixed clamping motor 2011, two fixed clamping guide cavities 203 with two sides and an upward opening of the fixed clamping motor 201, a fixed clamping guide rod 204 positioned in the fixed clamping guide cavity 203 and sliding in the fixed clamping guide rod 204, a fixed clamping top plate 205 which is simultaneously fixed on the fixed clamping guide rod 204 and is in threaded connection with the fixed clamping screw 202, an upper roller cavity 209 which is positioned on the bottom wall of the fixed clamping top plate 205 and has a downward opening, an upper roller shaft 211 which penetrates through the upper roller cavity 209 along the vertical ecological plate moving direction, an upper roller 210 fixed on the outer surface of the upper roller shaft 211, a lower roller cavity 206 which is positioned on the top wall opposite to the feeding slide block 109 and has an upward opening, a lower roller shaft 208 which is parallel to the upper roller shaft 211 and penetrates through the lower roller cavity 206, A lower roller 207 fixed to an outer surface of the lower roller shaft 208; after the ecological plate is placed, the fixed clamping motor 201 rotates to drive the fixed clamping screw 202 to rotate, the fixed clamping screw 202 rotates to drive the fixed clamping top plate 205 to move downwards, the fixed clamping guide rod 204 slides in the fixed clamping guide cavity 203 along with the fixed clamping top plate 205, the fixed clamping guide rod 204 prevents the fixed clamping top plate 205 from being influenced by the rotation of the fixed clamping screw 202 to generate angle deviation, the fixed clamping top plate 205 moves downwards to drive the upper roller shaft 211 and the upper roller 210 to move downwards so as to be matched with the lower roller 207 to clamp the ecological plate, the lower roller 207 and the upper roller 210 rotate so as to feed the feeding assembly 12, the lower roller 207 and the upper roller 210 cannot move axially, and the ecological plate cannot move axially under high friction.

The lower roller 207 and the upper roller 210 are made of rubber, and have anti-slip patterns to improve friction.

The guide assembly 31 comprises two outer sliding cylinders 301 which are positioned in the side walls of the clamp body 101 and slide symmetrically according to the center line of the clamp body 101, an inner sliding rod 302 which is positioned in the outer sliding cylinder 301 and slides, a supporting plate 303 which is fixed at the end of the inner sliding rod 302 extending out of the clamp body 101, two guide plates 316 which are fixed on the top wall of the supporting plate 303, two supporting screws 304 which are connected with the bottom wall of the supporting plate 303 in a threaded manner and are symmetrical according to the center line of the supporting plate 303, a supporting nut 305 which is blocked by threads on the part of the outer surface of the supporting screw 304 extending out of the supporting plate 303 downwards, two spring cavities 318 which are symmetrical according to the outer sliding cylinders 301, electromagnets 320 which are fixed on the walls of the spring cavities 318, a pressure spring 319 which is fixed on the walls of the spring cavities 318, and a positioning block 317; the outer sliding barrel 301 is shorter than the inner sliding rod 302, so the positioning block 317 is firstly in contact with the inner sliding rod 302, when an ecological plate is placed, the electromagnet 320 adsorbs the positioning block 317, the pressure spring 319 is pressed, the supporting plate 303 is manually pulled, the edge of the ecological plate is abutted to the guide plate 316, the electromagnet 320 loses the electromagnet to release the positioning block 317, the positioning block 317 is abutted to the inner sliding rod 302 or the outer sliding barrel 301 through the pressure spring 319, the position of the supporting plate 303 is fixed, and the supporting nut 305 and the supporting screw 304 are rotated to adjust, so that the equipment is kept horizontal.

The positioning block 317 has good friction performance, the pressure spring 319 has high elasticity, and the friction between the outer sliding barrel 301 and the clamp body 101 is greater than the friction between the inner sliding rod 302 and the outer sliding barrel 301, so that the inner sliding rod 302 is pulled out before the outer sliding barrel 301.

The clamping assembly 32 comprises two guide cavities 313 which are positioned on the top wall of the guide plate 316 and have upward openings, a pressure applying compression spring 314 fixed on the inner wall of the guide cavity 313, a guide rod 315 fixed at the end of the pressure applying compression spring 314, which is far away from the inner wall of the guide cavity 313, a top plate 306 fixed on the guide rod 315, which extends out of the guide plate 316, an upper cavity 307 which is positioned on the bottom wall of the top plate 306 and has downward openings, a pressing roller shaft 309 which axially penetrates through the upper cavity 307 along the pressing roller shaft 208, a pressing roller 308 fixed on the outer surface of the pressing roller shaft 309, a lower cavity 310 which is fixed on the top wall of the supporting plate 303, is opposite to the upper cavity 307 and has upward openings, a supporting roller shaft 312 which axially penetrates through the lower cavity 310 along the pressing roller shaft 309, and a supporting roller 311 fixed on the outer surface of; the ecological plate is placed between the top plate 306 and the supporting plate 303, the pressing compression spring 314 drives the pressing roller 308 to provide a downward force for the pressing roller 308 through the guiding rod 315 and the top plate 306, the supporting roller 311 is matched to clamp the ecological plate, the pressing roller 308 and the supporting roller 311 rotate so as to facilitate the feeding of the feeding assembly 12, the pressing roller 308 and the supporting roller 311 cannot move axially, further, under high friction, the ecological plate cannot move axially, and the top plate 306 can abut against the side body of the hand saw to provide a guide for the vertical movement of the hand saw.

The pressing roller 308 and the supporting roller 311 are made of rubber, and have anti-slip patterns to improve friction.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. The utility model provides an ninety degrees anchor clamps for bending of ecological plate which characterized in that: the ecological plate feeding device comprises a clamp body (101) placed beside a reference circular arc, wherein a groove spacing cavity (105) with an upward opening is formed in the top wall of the clamp body (101), a feeding mechanism (1) is arranged in the groove spacing cavity (105), the feeding mechanism (1) comprises a groove spacing component (11) abutted to the reference circular arc and a feeding component (12) positioned on the groove spacing component (11), a clamping mechanism (2) used for clamping an ecological plate is arranged on one side of the groove spacing cavity (105) on the top wall of the clamp body (101), the groove spacing component (11) drives the feeding component (12) and the clamping mechanism (2) to change the initial spacing through the reference circular arc, so that the groove spacing is changed, the feeding component (12) moves through a lead screw nut, so that the ecological plate is driven to be fed, and a guide mechanism (3) is arranged on the side wall of the clamp body (101), guiding mechanism (3) are including being located anchor clamps body (101) sliding connection's guide assembly (31) and being located centre gripping subassembly (32) on the guide assembly (31) roof, guide assembly (31) are used for instructing the ecological plate and provide parallel benchmark at the feeding in-process, centre gripping subassembly (32) cooperation fixture (2) realize the centre gripping to the ecological plate, avoid the ecological plate skew, also give the perpendicular ecological plate's of electric saw benchmark simultaneously.

2. The clamp for ninety-degree bending of ecological plate according to claim 1, wherein: the groove spacing assembly (11) comprises two tangent shafts (103) which are positioned on the bottom wall of the clamp body (101) and rotate, a tangent plate (102) which is fixed on the outer end of the tangent shaft (103) extending out of the clamp body (101), a gear (104) which is fixed on one tangent shaft (103) and extends upwards into the inner end of the groove spacing cavity (105), a sliding block (107) which is positioned in the groove spacing cavity (105) to slide, a rack (106) which is fixed on the bottom wall of the sliding block (107) and is meshed with the gear (104), a grating ruler (118) which is fixed on the wall of the groove spacing cavity (105), and a feeding cavity (108) which is positioned on the sliding block (107) and has an upward opening.

3. The clamp for ninety-degree bending of ecological plate according to claim 1, wherein: the feeding assembly (12) comprises a lead screw (110) penetrating through the feeding cavity (108) along the direction of the rack (106), a feeding motor (117) fixed at one end of the lead screw (110), a feeding sliding block (109) in threaded connection with the part, located on the feeding cavity (108), of the lead screw (110), a feeding clamping motor (111) fixed in the feeding sliding block (109) and outputting axial direction, a clamping bottom plate (113) fixed on the top wall of the feeding sliding block (109), a clamping lead screw (115) fixed on the output shaft of the feeding clamping motor (111), clamping guide cavities (112) located on two sides of the feeding clamping motor (111) and provided with upward openings, clamping guide rods (114) located in the clamping guide cavities (112) and sliding, and a clamping top plate (116) fixed at the ends, far away from the clamping bottom plate (113), of the clamping guide rods (114) and connected with the clamping lead screw (115) in a threaded manner, the clamping bottom plate (113) is provided with a proximity switch.

4. The clamp for ninety-degree bending of ecological plate according to claim 1, wherein: clamping mechanism (2) including fixing in the groove interval chamber (1051) lateral wall and output axial is ascending decide centre gripping motor (201), fix and decide centre gripping lead screw (202) on saying centre gripping motor (2011) output shaft, be located saying decide centre gripping motor (201) both sides and two that open side up decide centre gripping direction chamber (203), be located decide gliding centre gripping guide bar (204) in centre gripping direction chamber (203), fix simultaneously decide on centre gripping guide bar (204) and with decide centre gripping roof (205) of centre gripping lead screw (202) threaded connection, be located decide centre gripping roof (205) diapire and opening decurrent last gyro wheel chamber (209), run through along perpendicular ecological plate moving direction go up gyro wheel axle (211) of going up gyro wheel chamber (209), fix go up gyro wheel (210) on last gyro wheel axle (211) surface the clamp body (101) is located on the relative roof of feeding slider (109) and the ascending lower chamber of opening (206) The lower roller shaft (208) is parallel to the upper roller shaft (211) and penetrates through the lower roller cavity (206), and the lower roller (207) is fixed on the outer surface of the lower roller shaft (208).

5. The clamp for ninety-degree bending of ecological plate according to claim 4, wherein: the lower roller (207) and the upper roller (210) are both made of rubber materials and have anti-skid patterns for improving friction.

6. The clamp for ninety-degree bending of ecological plate according to claim 1, wherein: the guide assembly (31) comprises two outer sliding cylinders (301) which are positioned in the side walls of the clamp body (101) in a sliding manner and are symmetrical according to the center line of the clamp body (101), an inner sliding rod (302) which is positioned in the outer sliding cylinder (301) in a sliding manner, a supporting plate (303) which is fixed at the end, extending out of the clamp body (101), of the inner sliding rod (302), two guide plates (316) which are fixed on the top wall of the supporting plate (303), two supporting screw rods (304) which are in threaded connection with the bottom wall of the supporting plate (303) in a threaded manner and are symmetrical according to the center line of the supporting plate (303), and supporting nuts (305) which are intercepted by threads on the outer surface of the part, extending out of the supporting plate (303), of the supporting screw rods (304), two spring cavities (318) which are symmetrical according to the outer sliding cylinders (301), electromagnets (320), A pressure spring (319) fixed on the wall of the spring cavity (318), and a positioning block (317) fixed at the end of the pressure spring (319) close to the inner slide bar (302).

7. The clamp for ninety-degree bending of ecological plate according to claim 1, wherein: the positioning block (317) has good friction performance, the pressure spring (319) has high elasticity, and the friction between the outer sliding barrel (301) and the clamp body (101) is greater than the friction between the inner sliding rod (302) and the outer sliding barrel (301), so that the inner sliding rod (302) is pulled out before the outer sliding barrel (301).

8. The clamp for ninety-degree bending of ecological plate according to claim 1, wherein: the clamping assembly (32) comprises two guide cavities (313) which are positioned on the top wall of the guide plate (316) and have upward openings, a pressing pressure spring (314) fixed on the inner wall of the guide cavity (313), a guide rod (315) fixed at the end, far away from the inner wall of the guide cavity (313), of the pressing pressure spring (314), a top plate (306) fixed on the guide rod (315) and extending out of the guide plate (316), an upper cavity (307) positioned on the bottom wall of the top plate (306) and having a downward opening, a pressing roller shaft (309) axially penetrating through the upper cavity (307) along the pressing roller shaft (208), a pressing roller (308) fixed on the outer surface of the pressing roller shaft (309), a lower cavity (310) fixed on the top wall of the support plate (303) and opposite to the upper cavity (307) and having an upward opening, and a support roller shaft (312) axially penetrating through the lower cavity (310) along the pressing roller shaft (309), A support roller (311) fixed on the outer surface of the support roller shaft (312).

9. The clamp for ninety-degree bending of ecological plate according to claim 8, wherein: the pressing roller (308) and the supporting roller (311) are made of rubber materials and are provided with anti-skid patterns for improving friction.