CN215356810U - Clamping device for metal net basket - Google Patents

Abstract

The utility model provides a clamping device for a metal net basket, which comprises a fixing plate, a screw seat, a screw sleeve, a clamping motor, rails and a clamping seat, wherein two ends of the screw are rotatably erected on the fixing plate through the screw seat, the screw comprises a forward thread section and a reverse thread section, the forward thread section and the reverse thread section are respectively screwed with the screw sleeve, the clamping motor is fixed on the fixing plate to drive the screw to rotate forwards and reversely, the rails are fixed on the fixing plate at two sides of the screw, the clamping seat is fixed on each screw sleeve, and two sides of the clamping seat are respectively arranged on the rails at two sides in a sliding manner. The clamping device for the metal net basket can stably clamp the metal net basket for transfer, is beneficial to reducing manual operation and improving the production efficiency.

Description

Clamping device for metal net basket

Technical Field

The utility model relates to the technical field of automatic welding production, in particular to a clamping device for a metal basket.

Background

As shown in fig. 1, the metal basket 1 according to the present invention includes a mesh container 11 and a reinforcing rim 12 welded to an open top of the mesh container 11. The mesh container 11 is formed by bending and pressing a bottom mesh sheet and side mesh sheets connected to the periphery of the bottom mesh sheet (the mesh structure is not shown in the figure). Butt joint regions formed by overlapping two adjacent side net sheets are formed at four corners of the mesh container 11. Welding of this butt area is required to form a structurally sound reticulated container 11. The reinforcing frame 12 is a square frame formed by bending a metal section, and the reinforcing frame 12 is provided with a clamping groove matched with the opening edge of the reticular container 11 so as to press the opening edge of the reticular container 11 into the clamping groove of the reinforcing frame 12, thereby fixing the reticular container 11 and the reinforcing frame 12. The reinforced frame 12 has a pair of seams that require welding and subsequent deburring to form a satisfactory product. In order to realize the automatic transfer of the metal basket between the processes, a clamping device for the metal basket needs to be designed.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention needs to provide a clamping device for a metal basket, so as to stably clamp the metal basket for transferring, which is beneficial to reducing manual operations and improving production efficiency.

The technical scheme adopted by the utility model is as follows:

the utility model provides a clamping device for metal mesh basket, which comprises a fixing plate, the screw rod seat, the screw rod cover, the centre gripping motor, track and grip slipper, the fixed plate is rotationally erect through the screw rod seat in the both ends of screw rod, the screw rod includes forward screw thread section and reverse screw thread section, forward screw thread section and reverse screw thread section spiro union have the screw rod cover respectively, the centre gripping motor is fixed in on the fixed plate, in order to supply drive screw positive and negative rotation, it all is fixed with the track all to lie in the screw rod both sides on the fixed plate, each screw rod sheathes in and is fixed with the grip slipper, and the both sides of grip slipper slide respectively and set up on the track of both sides.

Further, two screw rod seats are fixed on the front surface of the fixed plate, and the clamping motor is fixed on the rear surface of one end of the fixed plate.

Furthermore, a driving wheel is fixed on an output shaft of the clamping motor, a driven wheel is fixed at one end, close to the clamping motor, of the screw rod, and a transmission belt is wound on the driving wheel and the driven wheel.

Furthermore, the clamping seat comprises a bottom plate and a clamping plate vertically fixed on the bottom plate.

Furthermore, the middle part of the bottom plate is fixed on the screw rod sleeve, and two sides of the bottom plate are respectively arranged on the tracks at two sides in a sliding mode.

Furthermore, one end of the clamping plate, which is far away from the bottom plate, is provided with a clamping groove for clamping a reinforced frame of the metal basket.

Furthermore, a reinforcing plate is fixed in a right angle formed by fixing the bottom plate and the clamping plate.

Furthermore, a detection port is formed in the clamping plate, and a sensor used for detecting whether the metal basket is grabbed or not is fixed at the position, located at the detection port, of the clamping plate.

Furthermore, a first limit switch and a second limit switch are installed on the fixing plate and located on one side of the forward threaded section of the screw, and a limiting part matched with the first limit switch and the second limit switch is arranged on a clamping seat on the screw sleeve on the forward threaded section so as to control the moving range of the clamping seat.

The clamping device drives the screw to rotate positively and negatively through the clamping motor, so that the screw sleeve on the positive thread section and the screw sleeve on the reverse thread section of the screw are synchronously close to or away from each other, and the two clamping seats are driven to clamp or separate from the metal net basket. Can stabilize centre gripping metal mesh basket like this and shift, be favorable to reducing manual operation, improve production efficiency.

Preferred embodiments of the present invention and advantageous effects thereof will be described in further detail with reference to specific embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings, there is shown in the drawings,

FIG. 1: the utility model relates to a structure diagram of a metal net basket;

FIG. 2: the utility model relates to a three-dimensional view of a metal basket production line;

FIG. 3: the utility model relates to a structure diagram of a workpiece input positioning device of a metal basket production line;

FIG. 4: the utility model discloses a side view of a workpiece input positioning device of a metal basket production line;

FIG. 5: the utility model relates to a structure diagram of a pushing assembly of a metal basket production line;

FIG. 6: the utility model relates to a structure diagram of a spacing adjusting mechanism of a metal basket production line;

FIG. 7: the utility model relates to an assembly drawing of a welding and positioning device of a metal basket production line;

FIG. 8: the utility model discloses a local structure diagram of a welding positioning device of a metal basket production line;

FIG. 9: the utility model relates to a structure diagram of a clamping device of a first manipulator of a metal basket production line;

FIG. 10: the utility model relates to a structure diagram of a deburring punch press of a metal basket production line;

FIG. 11: the utility model relates to a structure diagram of a second welding machine of a metal basket production line;

FIG. 12: the utility model discloses a local structure diagram of a third manipulator of a metal basket production line;

FIG. 13: the utility model relates to a structure diagram of a shaping machine of a metal net basket production line.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

Referring to fig. 2, the present invention provides a metal basket production line, which includes a workpiece input positioning device 2, a first welding machine 3, a welding positioning device 4, a first manipulator 5, a deburring punch press 6, a second manipulator 7, a second welding machine 8, a third manipulator 9, a shaping machine 10, a fourth manipulator 13, a workpiece output device 14, and a fifth manipulator 15. The work input positioning device 2 is used for conveying and positioning the metal baskets. The first welding machine 3 is used to weld the butt seams of the reinforcing rims 12 of the metal baskets. Welding position device 4 sets up in the welding position of first welding machine 3 to compress tightly the location for first welding machine 3 welding to the metal mesh basket. The first robot 5 is used to transfer the metal baskets from the workpiece input fixture 2 to the welding fixture 4. The second manipulator 7 is used for transferring the metal basket from the welding and positioning device 4 to the deburring punch press 6, the metal basket is tightly grasped by the second manipulator 7, and burrs generated by welding of the first welding machine 3 are removed by the deburring punch press 6 through punching. The third manipulator 9 is used for transferring the metal basket on the deburring punch press 6 to the second welding machine 8, so that the second welding machine 8 can weld the mesh overlapping and butt-joint areas at the four corners of the mesh container 11 of the metal basket. The fourth manipulator 13 is used for transferring the metal baskets on the second welding machine 8 to the shaper 10, so that the shaper 10 shapes the sharp corners at the bottom of the metal baskets into round corners. The fifth robot 15 is used to transfer the metal baskets from the shaper 10 onto the work output 14 for transport to the next station for processing.

Referring to fig. 3 and 4, the workpiece input positioning device 2 includes a conveying line 21, two side limiting assemblies 22, an end limiting member 23 and a pushing assembly 24. The transfer chain 21 is used for carrying the metal wire basket, and the spacing subassembly 22 in both sides is erect relatively in transfer chain 21 both sides, and the spacing width of the spacing subassembly 22 in both sides and the width looks adaptation of metal wire basket to supply the metal wire basket to remove along transfer chain 21 under the limiting displacement of the spacing subassembly 22 in both sides. The end limiting part 23 is arranged at the output end of the conveying line 21 and used for blocking the metal basket. The pushing assembly 24 is erected on one side of the conveying line 21 and used for pushing the metal baskets adjacent to the metal baskets blocked by the end limiting part 23, so that the two adjacent metal baskets are separated by a specified distance, and the metal baskets adjacent to the metal baskets are prevented from being hooked up when being taken out.

In this embodiment, the conveying line 21 is a drum-type conveying line, and the drum-type conveying line includes a conveying frame, a plurality of rollers rotatably mounted on the conveying frame, and a driving device for driving each roller to rotate. It is understood that conveyor line 21 may also be a belt conveyor line, a mesh chain conveyor line, or other type of conveyance.

The two-side limiting assembly 22 includes a first limiting member 221 and a second limiting member 222 which are oppositely disposed, and the first limiting member 221 and the second limiting member 222 are respectively erected on two sides of the conveying line 21 through a support 223. In this embodiment, the first limiting member 221 and the second limiting member 222 are both strip-shaped plates, and each strip-shaped plate is provided with a clamping opening 220, so that the first manipulator 5 passes through the clamping opening 220 to grab the metal basket. In addition, other limiting members such as a rail can also be adopted. In order to facilitate the metal basket to be placed, the length of the first limiting member 221 is smaller than that of the second limiting member 222, an outward bending section is formed at the workpiece placing end of the first limiting member 221, and an outward bending section is also formed at the workpiece placing end of the second limiting member 222.

Referring to fig. 5, the pushing assembly 24 includes a longitudinal moving mechanism 241, a transverse moving mechanism 242 fixed at the moving end of the longitudinal moving mechanism 241, and a pushing member 243 fixed at the moving end of the transverse moving mechanism 242. The longitudinal moving mechanism 241 can drive the transverse moving mechanism 242 to reciprocate along the conveying direction of the conveying line 21, the transverse moving mechanism 242 can drive the pushing piece 243 to extend or retract, the extended pushing piece 243 is located between two adjacent metal baskets, and the pushing piece 243 is driven by the longitudinal moving mechanism 241 to separate the two adjacent metal baskets.

The longitudinal moving mechanism 241 includes a guide base 2411, a sliding base 2412 and a longitudinal driving member 2413. Two guide shafts arranged in parallel are erected on the guide base 2411, the sliding base 2412 is arranged on the two guide shafts in a sliding manner, and the longitudinal driving piece 2413 is fixed on the guide base 2411 and used for driving the sliding base 2412 to slide back and forth along the guide shafts. The longitudinal driving member 2413 is preferably a cylinder, the cylinder body of the cylinder is fixed on the guide seat 2411, and the piston rod of the cylinder is connected with the sliding seat 2412.

The lateral moving mechanism 242 is preferably a cylinder fixed on the sliding seat 2412, and the pushing member 243 is fixed on the piston rod of the cylinder. The pusher member 243 employs a push rod or a push plate.

In this embodiment, three groups of pushing assemblies 24 are arranged along the conveying direction of the conveying line 21 to respectively separate the metal baskets with different sizes.

The workpiece input positioning device 2 further comprises a spacing adjusting mechanism 25 disposed below the top frame of the conveying line 21, and the conveying line 21 is a roller-type conveying line, so that the first limiting member 221 passes through the gap between the rollers through the support 223 and is fixed on the sliding end of the spacing adjusting mechanism 25, thereby adjusting the spacing between the first limiting member 221 and the second limiting member 222.

Referring to fig. 6, the spacing adjustment mechanism 25 includes a base 251, a screw 252, a screw seat 253, a nut 254, an adjustment motor 255, a slide rail 256, and a slide plate 257. The screw 252 is rotatably erected on the base 251 through a screw seat 253, the adjusting motor 255 is fixed on the base 251, and an output shaft of the adjusting motor 255 is in transmission connection with one end of the screw 252 through a coupler. The screw 254 is sleeved on the screw 252, and the sliding plate 257 is fixed on the screw 254. Two parallel slide rails 256 are respectively fixed on the base 251 and located at two sides of the screw rod 252, and two ends of the sliding plate 257 are respectively slidably disposed on the two slide rails 256 through sliding blocks. The first limiting member 221 is fixed to the sliding plate 257 by a support 223. The adjustment motor 255 drives the screw rod 252 to rotate forward and backward, so that the nut 254 reciprocates along the screw rod 252, and the first limiting member 221 on the sliding plate 257 is driven to move correspondingly, and further the distance between the first limiting member 221 and the second limiting member 222 is accurately adjusted.

The workpiece input positioning device 2 is provided with a two-side limiting assembly 22, an end limiting member 23 and a pushing assembly 24 on the conveying line 21. The metal baskets are conveyed to the end part limiting parts 23 to stop moving under the limiting action of the two side limiting components 22, and the two adjacent metal baskets are separated by the pushing component 24. Therefore, the first mechanical arm 5 can grab the metal basket stopped at the end part limiting part 23, and the adjacent metal baskets are prevented from being hooked when the metal baskets are taken away, so that the fault is avoided.

The first welding machine 3 includes a welding electrode that is liftable and translatable, and welds the butt seam of the reinforcing rim 12 of the metal basket by controlling the movement of the welding electrode.

Referring to fig. 7 and 8, the welding positioning apparatus 4 includes a base 41, a supporting platform 42, a front positioning member 43, a rear positioning member 44, and a pressing assembly 45. The supporting platform 42 is erected on the base 41, the front positioning element 43 and the rear positioning element 44 are respectively slidably disposed on the base 41, the supporting platform 42 is provided with a front sliding hole 421 and a rear sliding hole 422, the front positioning element 43 and the rear positioning element 44 respectively upwardly penetrate through the front sliding hole 421 and the rear sliding hole 422, so that the front positioning element 43 and the rear positioning element 44 are close to each other to clamp two sides of a metal basket disposed on the supporting platform 42, or the front positioning element 43 and the rear positioning element 44 are far away from each other to separate from the metal basket disposed on the supporting platform 42. The pressing assembly 45 is fixed on the bearing platform 42 and used for pressing the reinforcing frame 12 of the metal mesh basket downwards to prevent the metal mesh basket from shifting when the first welding machine 3 performs press welding.

The welding positioner 4 further includes a positioning driving device 46 for driving the front positioning member 43 and the rear positioning member 44 to approach or separate from each other. The positioning driving device 46 includes a lead screw 461, a lead screw base 462, a front lead screw sleeve 463, a rear lead screw sleeve 464, a positioning motor 465, a guide rail 466 and a synchronizing plate 467. Two ends of the lead screw 461 are rotatably mounted on the base 41 through the lead screw base 462, the positioning motor 465 is fixed on the base 41, and the positioning motor 465 is used for driving the lead screw 461 to rotate forward and backward. Specifically, the output shaft of the positioning motor 465 is connected to one end of the lead screw 461 through a synchronous wheel and a synchronous belt. The lead screw 461 includes a front thread section and a rear thread section, the thread winding manner of the front thread section and the thread winding manner of the rear thread section are opposite, and the front thread section and the rear thread section respectively rotatably penetrate through the front lead screw sleeve 463 and the rear lead screw sleeve 464. The two parallel guides 466 are fixed on the base 41 and located on both sides of the lead screw 461. The front screw sleeve 463 and the rear screw sleeve 464 are both fixed with a synchronizing plate 467, two ends of the synchronizing plate 467 are respectively arranged on the two parallel guide rails 466 in a sliding way through guide blocks, the front positioning piece 43 is fixed on the synchronizing plate 467 of the front screw sleeve 463, and the rear positioning piece 44 is fixed on the synchronizing plate 467 of the rear screw sleeve 464. The screw 461 is driven to rotate by the positioning motor 465, which drives the screw to move close to or away from the front screw sleeve 463 and the rear screw sleeve 464 which are arranged on the front screw section and the rear screw section in opposite ways, so as to drive the front positioning part 43 and the rear positioning part 44 on the synchronizing plate 467 to move correspondingly. Thus, the front positioning member 43 and the rear positioning member 44 are positioned by holding the two sides of the metal basket, respectively.

The pressing assembly 45 comprises a pressing cylinder and a pressing block, the pressing cylinder is fixed on the bearing platform 42 and close to one end of the first welding machine 3, and the pressing block is fixed at the top end of a piston rod of the pressing cylinder. The compaction block is driven to descend by the compaction cylinder to press the strengthening frame 12 of the metal mesh basket.

The load-bearing platform 42 may be fixed or liftable. In order to facilitate the welding of the metal baskets with different heights, the welding and positioning device 4 further includes a lifting and lowering adjusting mechanism 47 disposed on the base 41 for adjusting the height of the supporting platform 42. The lifting adjustment mechanism 47 includes a guide post 471, a guide sleeve 472, and a lifting driving member. The top ends of the four guide posts 471 are respectively fixed at four corners of the bearing platform 42, the four guide sleeves 472 are respectively fixed on the base 41, and each guide post 471 is liftably inserted into the corresponding four guide sleeves 472. The lifting driving member is fixed on the base 41, and the lifting end of the lifting driving member is connected with the center of the bearing platform 42.

Referring to fig. 9, the first manipulator 5 grabs the metal basket and puts the metal basket on the supporting platform 42, and clamps both sides of the metal basket through the front positioning member 43 and the rear positioning member 44, and presses the reinforcing frame 12 of the metal basket through the pressing member 45, thereby positioning the metal basket. The first welding machine 3 can be aligned to the butt seam welding of the reinforcing frame 12, and the phenomenon that the metal basket is displaced to influence the product quality is avoided.

The first robot 5 includes a movable robot arm and a gripping device 51 fixed to a free end of the movable robot arm. The clamping device 51 comprises a fixing plate 511, a screw 512, a screw seat 513, a screw sleeve 514, a clamping motor 515, a rail 516 and a clamping seat 517. Both ends of the screw 512 are rotatably mounted on the fixing plate 511 by screw seats 513. The screw 512 comprises a forward thread section and a reverse thread section, and the forward thread section and the reverse thread section are respectively screwed with a screw sleeve 514. The clamping motor 515 is fixed on the fixing plate 511 for driving the screw 512 to rotate forward and backward. The fixing plate 511 is fixed with rails 516 on both sides of the screw 512, each screw sleeve 514 is fixed with a clamping seat 517, and both sides of the clamping seat 517 are respectively slidably disposed on the rails 516 on both sides.

Preferably, two screw seats 513 are fixed to a front surface of the fixing plate 511, and the clamping motor 515 is fixed to a rear surface of one end of the fixing plate 511. A driving wheel 5151 is fixed on an output shaft of the clamping motor 515, a driven wheel 5152 is fixed on one end of the screw 512 close to the clamping motor 515, and a transmission belt 5153 is wound around the driving wheel 5151 and the driven wheel 5152.

The clamping base 517 includes a bottom plate 5171 and a clamping plate 5172 vertically fixed on the bottom plate 5171. The middle part of the bottom plate 5171 is fixed on the screw sleeve 514, and two sides of the bottom plate 5171 are respectively arranged on the rails 516 at two sides in a sliding manner. One end of the clamping plate 5172, which is far away from the bottom plate 5171, is provided with a clamping groove 5710 for clamping the reinforcing frame 12 of the metal basket. A reinforcing plate 5173 is fixed in a right angle formed by fixing the bottom plate 5171 and the clamping plate 5172 to enhance the structural strength thereof. A detection port 5174 is formed in the clamping plate 5172, and a sensor 5170 for detecting whether the metal basket is grabbed or not is fixed on the clamping plate 5172 at the detection port 5174. The fixing plate 511 is provided with a first limit switch 5175 and a second limit switch 5176, the first limit switch 5175 and the second limit switch 5176 are positioned on one side of the forward thread section of the screw 512, and the clamping seat 517 on the screw sleeve 514 on the forward thread section is provided with a limiting part 5177 matched with the first limit switch 5175 and the second limit switch 5176 so as to control the moving range of the clamping seat 517.

The clamping device 51 drives the screw 512 to rotate forward and backward through the clamping motor 515, so that the screw sleeve 514 on the forward thread section and the screw sleeve 514 on the reverse thread section of the screw 512 are synchronously close to or synchronously far away, and the two clamping seats 517 are driven to clamp or separate from the metal mesh basket.

Referring to fig. 10, the deburring punch 6 includes a punch body 60, a punch head 61 mounted on the elevating end of the punch body 60, a holding block 62 located right below the punch head 61, and a punch positioning device 63 for placing the metal basket. The structure of the second manipulator 7 is the same as that of the first manipulator 5, and will not be described in detail. The second manipulator 7 grabs the welded metal basket on the welding and positioning device 4 and transfers the welded metal basket to the punch positioning device 63, one section of the reinforcing frame 12 with the welding point of the metal basket is abutted against the abutting block 62, and the second manipulator 7 keeps the state of grabbing the metal basket so as to allow the punching head 61 to punch downwards to remove the welding point burrs. After the burrs are removed, the second mechanical arm 7 loosens the metal basket, and the punch positioning device 63 repositions the metal basket after the burrs are removed so as to be grabbed by the third mechanical arm 9.

The structure of the second manipulator 7 is the same as that of the first manipulator 5, and will not be described in detail.

Referring to fig. 11, the second welding machine 8 includes a base 81 and two welding machines 82 disposed on the base 81 in a relatively sliding manner, a supporting member 83 and a pressing device for pressing the metal basket are disposed at one end of the two welding machines 82 close to each other, an inclined frame 84 is disposed at one end of each welding machine 82 opposite to the supporting member 83, and two welding guns 85 capable of ascending and descending along a vertical inclined plane of each inclined frame 84 are disposed on each inclined frame 84. The metal baskets after deburring are covered on the supporting pieces 83 of the two welding machine bodies 82 in a mode that the openings face downwards through the third manipulator 9, the metal baskets are pressed tightly through the pressing device, and four welding guns 85 which are arranged oppositely in pairs slide and weld the overlapping butt joint area of the meshes of the metal baskets along the inclined frame 84.

Referring to fig. 12, the third robot 9 is substantially similar to the first robot 5 in that the first robot 5 grips the reinforced rim 12 of the metal basket from the top of the metal basket and the third robot 9 extends into and grips the reinforced rim 12 of the metal basket from one end of the metal basket. The two gripping arms 91 of the third manipulator 9 are longer, and the gripping grooves 90 on the gripping arms 91 are formed along the extension direction of the gripping arms 91.

Referring to fig. 13, the shaping machine 10 includes a supporting base 101 and four retractable driving members 102 respectively mounted on four corners of the supporting base 101 in an inclined manner, wherein the retractable ends of the retractable driving members 102 are fixed with shaping molds 103. The fourth manipulator 13 grabs the metal basket and covers with the mode that the opening is down and establishes on supporting base 101, drives shaping mould 103 slope decline punching press in four base angles of metal basket through four flexible driving piece 102 to become the fillet with the base angle plastic.

Fourth manipulator 13 and fifth manipulator 15 all adopt magnetism to inhale the formula tongs, and the bottom surface that adsorbs the metal basket through magnetism formula tongs is inhaled and is shifted.

In this embodiment, the work output device 14 employs a drum type conveyance line.

According to the metal basket production line, a first manipulator 5 grabs a metal basket input on a workpiece input positioning device 2 and transfers the metal basket to a welding positioning device 4, and after the metal basket is tightly pressed and positioned by the welding positioning device 4, a first welding machine 3 welds a butt joint seam of a reinforcing frame 12 of the metal basket. After the welding is finished, the metal basket is loosened by the welding positioning device 4, so that the second mechanical arm 7 transfers the metal basket to the deburring punch 6, burrs generated by welding of the first welding machine 3 are removed through the deburring punch 6, the metal basket after deburring is transferred to the second welding machine 8 by the third mechanical arm 9, and the second welding machine 8 welds the mesh overlapping butt joint area at the four corners of the mesh-shaped container 11 of the metal basket. The fourth manipulator 13 transfers the welded metal basket to the shaper 10, and the shaper 10 shapes the sharp bottom corner of the metal basket into a round corner. The fifth robot 15 transfers the shaped metal baskets to the work output device 14 for transport to the next station for processing. So, can realize that a plurality of manufacturing procedure of metal basket go on in succession, reduce manual operation, improve production efficiency.

Any combination of the various embodiments of the present invention should be considered as disclosed in the present invention, unless the inventive concept is contrary to the present invention; within the scope of the technical idea of the utility model, any combination of various simple modifications and different embodiments of the technical solution without departing from the inventive idea of the present invention shall fall within the protection scope of the present invention.

Claims (9)

1. A clamping device for a metal basket, characterized in that: the screw clamping device comprises a fixing plate (511), a screw rod (512), a screw rod seat (513), a screw rod sleeve (514), a clamping motor (515), a rail (516) and a clamping seat (517), wherein the two ends of the screw rod (512) are rotatably erected on the fixing plate (511) through the screw rod seat (513), the screw rod (512) comprises a forward thread section and a reverse thread section, the forward thread section and the reverse thread section are respectively screwed with the screw rod sleeve (514), the clamping motor (515) is fixed on the fixing plate (511) to drive the screw rod (512) to rotate positively and negatively, the two sides of the screw rod (512) on the fixing plate (511) are respectively fixed with the rail (516), each screw rod sleeve (514) is fixed with the clamping seat (517), and the two sides of the clamping seat (517) are respectively arranged on the rails (516) on the two sides in a sliding mode.

2. The clamping device for metal baskets of claim 1, characterized in that: two screw seats (513) are fixed to the front surface of the fixing plate (511), and a clamping motor (515) is fixed to the rear surface of one end of the fixing plate (511).

3. The clamping device for metal baskets of claim 1, characterized in that: a driving wheel (5151) is fixed on an output shaft of the clamping motor (515), a driven wheel (5152) is fixed at one end, close to the clamping motor (515), of the screw rod (512), and a transmission belt (5153) is wound on the driving wheel (5151) and the driven wheel (5152).

4. The clamping device for metal baskets of claim 1, characterized in that: the clamping seat (517) comprises a bottom plate (5171) and a clamping plate (5172) vertically fixed on the bottom plate (5171).

5. A clamping device for metal baskets of claim 4, characterised in that: the middle part of the bottom plate (5171) is fixed on the screw rod sleeve (514), and two sides of the bottom plate (5171) are respectively arranged on the rails (516) at two sides in a sliding manner.

6. A clamping device for metal baskets of claim 5, characterised in that: and one end of the clamping plate (5172) far away from the bottom plate (5171) is provided with a clamping groove (5710) for clamping a reinforced frame (12) of the metal basket.

7. The clamping device for metal baskets of claim 6, characterized in that: and a reinforcing plate (5173) is fixed in a right angle formed by fixing the bottom plate (5171) and the clamping plate (5172).

8. A clamping device for metal baskets of claim 4, characterised in that: a detection port (5174) is formed in the clamping plate (5172), and an inductor (5170) used for detecting whether the metal net basket is grabbed or not is fixed to the position, located at the detection port (5174), of the clamping plate (5172).

9. The clamping device for metal baskets of claim 1, characterized in that: install first limit switch (5175) and second limit switch (5176) on fixed plate (511), first limit switch (5175) and second limit switch (5176) are located screw rod (512) forward screw thread section one side, and centre gripping seat (517) on screw rod cover (514) on the forward screw thread section are equipped with first limit switch (5175) and second limit switch (5176) matched with locating part (5177) to control the moving range of centre gripping seat (517).

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