CN216730145U - Automatic seek limit positioner - Google Patents

Abstract

The utility model discloses an automatic edge finding positioning device which comprises a rack, a plurality of material supporting rollers, a positioning flange assembly, a material pulling mechanism and a material pushing mechanism, wherein the material supporting rollers are arranged on the rack in a crossing mode; the positioning flange assembly is provided with an in-place sensing assembly for detecting whether the side edge of the plate moves in place or not; the automatic edge-searching device is characterized in that a first edge-searching sensing assembly used for sensing one side edge of a plate material is arranged on the material pulling mechanism, a second edge-searching sensing assembly used for sensing the other side edge of the plate material is arranged on the material pushing mechanism, and a position sensing assembly used for sensing the transmission position of the plate material is arranged on the rack. The automatic edge searching and positioning device provided by the utility model has the automatic edge searching and positioning functions by arranging the material pulling mechanism and the material pushing mechanism, various commonly used plates can be suitable for the automatic edge searching and positioning device, and the applicability is high.

Description

Automatic seek limit positioner

Technical Field

The utility model relates to the technical field of welding feeding, in particular to an automatic edge finding and positioning device.

Background

In the cold rolling continuous production process, in order to form continuous sheet rolling, it is very important to weld the tail end of a preceding sheet and the head of a subsequent sheet into a whole, before laser welding, the subsequent sheet needs to be positioned by a positioning device, and then the head of the subsequent sheet is conveyed into a welding device by a conveying device to realize welding. However, the positioning device in the existing production line is generally simple in structure and does not have a width positioning and adjusting function, and not only can be suitable for positioning a plate material with a specific width specification, but also has extremely poor applicability, and needs to be manually pre-placed to ensure that the feeding direction and position of the plate material cannot have overlarge deviation, otherwise, the positioning device interferes with the positioning device, and the positioning cannot be realized; although the existing positioning device has the function of positioning and adjusting the width after being improved, the whole production line needs to be shut down to replace the sheet material every time, so that the positioning and adjusting of the width can be carried out on the positioning device, the production rhythm is seriously influenced, and the production efficiency is reduced.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide an automatic edge searching and positioning device, which can automatically complete edge searching and positioning on plates of different specifications.

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

an automatic edge searching and positioning device comprises a rack, a plurality of material supporting rollers arranged on the rack in a crossing manner, a positioning flange component arranged on the rack, a material pulling mechanism used for pulling a plate material to the positioning flange component, and a material pushing mechanism used for pushing the plate material to the positioning flange component; the positioning flange assembly is provided with an in-place sensing assembly for detecting whether the side edge of the plate moves in place or not; the automatic edge-searching device is characterized in that a first edge-searching sensing assembly used for sensing one side edge of a plate material is arranged on the material pulling mechanism, a second edge-searching sensing assembly used for sensing the other side edge of the plate material is arranged on the material pushing mechanism, and a position sensing assembly used for sensing the transmission position of the plate material is arranged on the rack.

The frame comprises two symmetrically arranged side plates and a plurality of guide rods for connecting the two side plates; the guide rod extends along the transverse direction and is provided with a material supporting frame, and the position sensing assembly is arranged on the material supporting frame.

The material pulling mechanism comprises a material pulling sliding seat in sliding connection with the guide rod, a movable gripper arranged on the material pulling sliding seat and a material pulling driving device used for driving the material pulling sliding seat to move transversely.

The movable gripper comprises a base fixed on the material pulling sliding base, a swinging base arranged on the base in a horizontally rotatable manner, and an air cylinder arranged on the swinging base vertically downwards; the output end of the air cylinder is provided with a first material clamping block, and a second material clamping block matched with the first material clamping block is fixedly arranged on the swinging seat; the swing seat is provided with the first edge searching induction assembly.

The seat body comprises a fixed plate, a vertical rod fixedly arranged on the fixed plate, a top plate fixedly arranged at the top end of the vertical rod and a bottom plate fixedly arranged at the bottom end of the vertical rod; the swing seat comprises an upper connecting plate, a vertical plate and a lower connecting plate which enclose a C-shaped structure; the swing seat is rotatably arranged between the top plate and the bottom plate; the fixing plate comprises a raised head part and a flat plate part, the vertical rod is vertically arranged in the center of the raised head part, and the flat plate part is detachably connected with the material pulling sliding seat; the end face, deviating from the upper connecting plate, of the vertical plate is provided with two vertically extending limiting sides, and the two limiting sides are located on two sides of the protruding head portion respectively.

The material pulling driving device comprises a transversely extending material pulling lead screw, a lead screw nut sleeved on the material pulling lead screw and a material pulling driving motor used for driving the material pulling lead screw to rotate, and the lead screw nut is fixedly arranged on the material pulling sliding seat.

The pushing mechanism comprises a pushing sliding seat in sliding connection with the guide rod, at least two edge pushing rollers vertically arranged on the pushing sliding seat and a pushing driving device for driving the pushing sliding seat to move transversely; the second edge searching induction component is arranged on the material pushing sliding seat.

The positioning flange assembly comprises at least two vertical flange rollers fixedly arranged on the guide rod, the in-place sensing assembly is arranged on the flange rollers, and at least two limiting rollers are fixedly arranged on the guide rod.

The material supporting frame comprises a plurality of material supporting square pipes which are arranged at intervals, each guide rod is connected with all the material supporting square pipes in series, the material supporting square pipes are fixed on the guide rods through locking rings, U-shaped grooves which are the same in number as the material supporting rollers and correspond to the material supporting rollers one by one are formed in each material supporting square pipe, and each material supporting roller is embedded into the U-shaped grooves; the position sensing assembly is arranged on the material supporting square pipe.

Has the beneficial effects that:

the automatic edge searching and positioning device provided by the utility model has the automatic edge searching and positioning functions by arranging the pulling mechanism and the pushing mechanism, in an initial state, a sheet specification proper amount with a longer width distance exists between the pulling mechanism and the pushing mechanism, the edge searching and positioning operation of the sheet can be fully automatically completed only by sending the steel coil sheet within a certain width and thickness specification range into the automatic edge searching and positioning device, the automatic edge searching and positioning device does not need to be started or stopped by manual triggering, the problem of accurate pre-placement operation by manpower is solved, various commonly used sheets can be suitable for the automatic edge searching and positioning device, the applicability is greatly improved, the sheet can be normally produced even if the processing specification of the sheet is changed, the equipment adjustment is not needed, and the production rhythm and the production efficiency are not influenced.

Drawings

Fig. 1 is a first perspective view of the automatic edge finding positioning device provided by the present invention.

Fig. 2 is a second perspective view of the automatic edge finding positioning device provided by the present invention.

Fig. 3 is a schematic diagram of a state of the sheet material when being sent into the automatic edge searching and positioning device.

Fig. 4 is a schematic view of the state of the automatic edge finding positioning device for finding edges of the sheet material.

Fig. 5 is a schematic view of the automatic edge finding positioning device for horizontally transferring and positioning the sheet.

Fig. 6 is a perspective view of the movable grip provided by the present invention.

Fig. 7 is an exploded view of the movable gripper provided by the present invention.

Fig. 8 is a top view of the movable grip of the present invention in an initial state.

Fig. 9 is a top view of the swing seat of the movable gripper according to the present invention after swinging.

Fig. 10 is a partial enlarged view of the region L1 in fig. 1.

Fig. 11 is a partially enlarged view of the area L2 in fig. 2.

Description of the main element symbols: 1-frame, 11-side plate, 12-guide rod, 13-material supporting frame, 131-material supporting square tube, 132-locking ring, 133-U-shaped groove, 2-material supporting roller, 3-positioning flange component, 31-flange roller, 32-limit roller, 4-material pulling mechanism, 41-material pulling sliding seat, 42-movable gripper, 421-seat body, 4211-fixing plate, 4211 a-raised head part, 4211 b-flat plate part, 4212-top plate, 4213-vertical rod, 4214-bottom plate, 422-swinging seat, 4221-upper connecting plate, 4222-vertical plate, 4223-lower connecting plate, 423-cylinder, 424-first clamping block, 425-second clamping block, 426-limit side edge, 43-material pulling lead screw, 44-lead screw nut, 45-pulling driving motor, 5-pushing mechanism, 51-pushing sliding base, 52-edge pushing roller, 6-in-place sensing component, 71-first infrared emitter, 72-first infrared receiver, 8-second edge searching sensing component and 9-position sensing component.

Detailed Description

The utility model provides an automatic edge-searching positioning device, which is further described in detail below by referring to the attached drawings and embodiments in order to make the purpose, technical scheme and effect of the utility model clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the scope of the utility model.

Herein, "front" is a direction indicated by an arrow in fig. 1 to 5, i.e., a transfer direction of the sheet material, and "rear" is opposite to "front".

Referring to fig. 1 and 2, the present invention provides an automatic edge finding and positioning device, which includes a frame 1, a plurality of material supporting rollers 2 crossing over the frame 1, a positioning flange assembly 3 arranged on the frame 1, a material pulling mechanism 4 for pulling a sheet material to the positioning flange assembly 3, and a material pushing mechanism 5 for pushing the sheet material to the positioning flange assembly 3; the positioning flange assembly 3 is provided with an in-place sensing assembly 6 for detecting whether the side edge of the plate moves in place or not; the automatic plate material feeding device is characterized in that a first edge searching induction assembly used for sensing one side edge of a plate material is arranged on the material pulling mechanism 4, a second edge searching induction assembly 8 used for sensing the other side edge of the plate material is arranged on the material pushing mechanism 5, and a position induction assembly 9 used for sensing the transmission position of the plate material is arranged on the rack 1.

The material pulling mechanism 4, the material pushing mechanism 5, the in-place induction component 6, the first edge searching induction component 7, the second edge searching induction component 8 and the position induction component 9 are controlled by a control system to work, and a plate material sizing method is formed based on the automatic edge searching positioning device, and comprises the following specific steps: s01, as shown in figure 3, horizontally feeding the plate 10 between the pulling mechanism 4 and the pushing mechanism 5, and supporting the plate 10 by the material supporting roller 2 to be conveyed forwards; s02, the position sensing component 9 collects the position of the plate and feeds back a signal to the control system, when the position sensing component 9 at the forefront senses the front edge of the plate, the plate is continuously conveyed forward for a certain distance to be transited to the transfer device; s03, the control system controls the material pulling mechanism 4 to approach towards the direction of the plate 10 to realize edge searching, when the first edge searching sensing assembly senses the plate, the edge searching of the material pulling mechanism 4 is successful and stops moving, and the material pulling mechanism 4 clamps one side edge of the plate; meanwhile, the control system also controls the pushing mechanism 5 to approach towards the direction of the plate material to realize edge searching, when the second edge searching induction component 8 senses the plate material, the pushing mechanism 5 successfully searches the edge and stops moving, and the pushing mechanism 5 applies thrust to the other side edge of the plate material; s04, as shown in figure 4, when the edge searching of the material pulling mechanism 4 and the edge searching of the material pushing mechanism 5 are successful, the material pulling mechanism 4 and the material pushing mechanism 5 synchronously move towards the direction of the positioning flange component 3 at a constant speed, the material pulling mechanism 4 pulls the plate material towards the positioning flange component 3, and the material pushing mechanism 5 pushes the plate material 10 towards the positioning flange component 3; s05: as shown in fig. 5, when the in-place sensing assembly 6 senses the sheet material 10, the positioning flange assembly 3 completes positioning, and the side edge of the sheet material 10 abuts against the positioning flange assembly 3; and S06, resetting the material pulling mechanism 4 to an initial position, conveying and guiding the plate materials by the material pushing mechanism 5 and the positioning flange assembly together, wherein the single edge searching process is finished, the control system waits for the next edge searching signal to trigger, and the condition that the plate materials pass through but the edge searching signal is triggered disorderly or the edge searching signal is triggered halfway after the single edge searching process is finished is avoided.

Therefore, the automatic edge searching and positioning device provided by the utility model has the functions of automatically searching edges and positioning by arranging the material pulling mechanism 4 and the material pushing mechanism 5, in an initial state, a sheet specification proper amount with a long width distance exists between the material pulling mechanism 4 and the material pushing mechanism 5, the edge searching and positioning operation of the sheet can be fully automatically completed only by sending the steel coil sheet with the width of 1.0-1.5m and the thickness of 0.2-5mm into the automatic edge searching and positioning device, the starting or stopping is not required to be triggered manually, the problem of accurate pre-placement operation which consumes manpower is solved, various commonly used sheets can be suitable for the automatic edge searching and positioning device, the applicability is greatly improved, the sheet can be produced normally even if the processing specification of the sheet is changed, the equipment adjustment is not required, and the production rhythm and the production efficiency are not influenced.

Specifically, the rack 1 comprises two symmetrically arranged side plates 11 and a plurality of guide rods 12 connecting the two side plates 11; the guide rod 12 extends along the transverse direction and is provided with a material supporting frame 13, and the position sensing assembly 9 is arranged on the material supporting frame 13. Through the arrangement, the automatic edge searching and positioning device can form a module, and the side plates 11 can be mounted and matched on a welding production line to position the plate and assist in butt joint of the plate.

In this embodiment, the material pulling mechanism 4 includes a material pulling slide 41 slidably connected to the guide rod 12, a movable gripper 42 disposed on the material pulling slide 41, and a material pulling driving device for driving the material pulling slide 41 to move laterally. When the edge is searched, the material pulling driving device brings the movable gripper 42 on the material pulling sliding seat 41 to move towards the side edge of the plate; when the edge is found successfully, the movable gripper 42 clamps the sheet material, and the movable gripper 42 on the material pulling slide 41 is pulled down by the material pulling driving device to pull the side edge of the sheet material to move towards the positioning flange assembly 3.

In this embodiment, referring to fig. 6 and fig. 7, the movable gripper 42 includes a base 421 fixed on the material pulling slide base 41, a swing base 422 horizontally rotatably disposed on the base 421, and an air cylinder 423 vertically disposed downward on the swing base 422; the output end of the cylinder 423 is provided with a first clamping block 424, and the swinging seat 422 is fixedly provided with a second clamping block 425 matched with the first clamping block 424; the swing seat 422 is provided with the first edge-searching induction component 7. In the initial state, the first material clamping block 424 and the second material clamping block 425 on the movable hand grip 42 are separated from each other to form a clamping opening; as shown in fig. 8, the swing seat 422 is facing the pushing mechanism, and does not swing relative to the seat 421.

When the first edge finding sensing assembly 7 senses the sheet material 10, it is indicated that the edge finding of the movable gripper 42 is successful, the clamping opening is very close to the side edge of the sheet material, the material pulling driving device continues to drive the movable gripper 42 to move towards the sheet material according to the set control program, so that the side edge of the sheet material extends into the clamping opening and the edge of the sheet material abuts against the swinging seat 422, then the air cylinder 423 drives the first material clamping block 424 to move, the first material clamping block 424 and the second material clamping block 425 smoothly clamp the sheet material 10 together, at this time, the extending direction of the side edge of the sheet material is parallel to the length extending direction of the first material clamping block 424, and the sheet material 10 does not drive the swinging seat 422 to swing. If the sheet material is deviated during feeding, after the sheet material extends into the clamping opening, one part of the side edge of the sheet material positioned in the clamping opening cannot abut against the swing seat 422, and the other part of the side edge of the sheet material positioned in the clamping opening pushes the swing seat 422 to swing until the extending direction of the side edge of the sheet material is parallel to the length extending direction of the first clamping block 424 and the side edge of the sheet material of the clamping opening completely abuts against the swing seat 422, and the swing seat 422 can swing adaptively according to the deviation degree of the side edge of the sheet material, so that on one hand, the rigid impact of the sheet material on the swing seat 422 can be reduced, on the other hand, the positions of the first clamping block 424 and the second clamping block 425 can be adjusted, and the first clamping block 424 and the second clamping block 425 can be ensured to effectively clamp the sheet material. It should be noted that the movable gripper 42 drags the sheet material to a set area to realize positioning, and in the positioning process, the sheet material is corrected, and the sheet material drives the swing seat 422 to reset to an initial state when the sheet material is corrected, that is, the swing seat 422 is facing the pushing mechanism again.

Further, the seat body 421 includes a fixing plate 4211, a vertical rod 4213 fixed on the fixing plate 4211, a top plate 4212 fixed on the top end of the vertical rod 4213, and a bottom plate 4214 fixed on the bottom end of the vertical rod 4213; the swing seat 422 comprises an upper connecting plate 4221, a vertical plate 4222 and a lower connecting plate 4223 which enclose a C-shaped structure to form an installation space for accommodating the air cylinder 423, the first clamping block 424 and the second clamping block 425, namely, the air cylinder 423 is vertically arranged on the vertical plate 4222 downwards, and the second clamping block 425 is fixedly arranged on the lower connecting plate 4223, so that the whole structure is more compact. In addition, the swing seat 422 is rotatably arranged between the top plate 4212 and the bottom plate 4214, and the top and the bottom of the swing seat 422 are rotatably positioned, so that the load capacity can be improved on one hand, and the swing seat 422 can better resist the collision caused by the offset side plates on the other hand.

Further, the fixing plate 4211 comprises a protruding head portion 4211a and a flat plate portion 4211b, the vertical rod 4213 is vertically arranged in the center of the protruding head portion 4211a, and the flat plate portion 4211b is detachably connected with the drawing sliding seat 41; the end surface of the vertical plate 4222, which faces away from the upper connecting plate 4221, is provided with two vertically extending limiting side edges 426, and the two limiting side edges 426 are respectively positioned at two sides of the raised head portion 4211 a. As shown in fig. 9, the limit side 426 cooperates with the boss 4211a to limit the moving angle of the swing seat 422, so as to prevent the swing seat 422 from over-rotating.

Preferably, the first edge finding sensing assembly 7 comprises a first infrared transmitter 71 mounted on the upper connection plate 4221, and a first infrared receiver 72 mounted on the lower connection plate 4223 and adapted to the first infrared transmitter 71. When the panel cutting machine works, the first infrared transmitter 71 emits vertical infrared light which is received by the first infrared receiver 72, the infrared light is located in front of the clamping opening, when the panel cuts off the infrared light, the first infrared receiver 72 feeds back a signal to the control system, which indicates that the movable gripper 42 is successful in edge finding, and then the control system completes timing setting and then the control cylinder 423 drives the first clamping block 424 to press the panel on the second clamping block 425.

Preferably, the opposite end surfaces of the first material clamping block 424 and the second material clamping block are provided with anti-skid lines. Through setting up anti-skidding line can increase the frictional force between first clamp material piece 424 and second clamp flitch and the sheet material, clip the sheet material more effectively, prevent to skid the pine and take off.

In this embodiment, referring to fig. 10 and 11, the material pulling driving device includes a material pulling screw 43 extending transversely, a screw nut 44 sleeved on the material pulling screw 43, and a material pulling driving motor 45 for driving the material pulling screw 43 to rotate, the material pulling driving motor 45 is fixed on the side plate 11 through a motor bracket, and the screw nut 44 is fixed on the material pulling slide 41. One end of the material pulling screw rod 43 facing the middle part of the machine frame 1 is arranged on the first bearing mounting block 46 in a penetrating way through a bearing; the other end is arranged on the second bearing mounting block 47 in a penetrating way through a bearing; one end of a material pulling screw 43 is connected with a coupler and an output shaft of the material pulling driving motor 45; the first bearing mounting block 46 is fixed on the material supporting frame 13 positioned in the middle of the machine frame 1, and the second bearing mounting block 47 is fixed on the side plate 11. The screw transmission mode has the advantages of high precision, reversibility and high efficiency, the material pulling driving motor 45 drives the material pulling sliding seat 41 to be close to or far away from the middle part of the rack 1 under the guide of the guide rod 12 through positive and negative rotation movement under the transmission of the material pulling screw 43 and the screw nut 44, and the edge searching and material pulling effects are good.

Specifically, the pushing mechanism 5 includes a pushing slide seat 51 slidably connected to the guide rod 12, at least two edge pushing rollers 52 vertically disposed on the pushing slide seat 51, and a pushing driving device for driving the pushing slide seat 51 to move laterally; the second edge searching induction component 8 is arranged on the material pushing sliding seat 51.

It should be noted that, since the sheet material has a certain weight load, in order to make the sheet material translate stably and reliably, in this embodiment, two edge pushing rollers 52 are provided in the material pushing mechanism 5, and one movable gripper 42 is provided, so as to form a stable force triangle, and the sheet material is positioned by transverse translation by skillfully utilizing the mutual cooperation of the material pushing mechanism 5 and the material pulling mechanism 4, and therefore, the material pushing slide 51 and the material pulling slide 41 need to move synchronously and at a constant speed, and the material pushing driving device and the material pulling driving device have the same and symmetrical structure, and the specific structure and working principle of the material pushing driving device are not described herein again.

Preferably, the second edge finding sensing assembly 8 comprises a material pulling sensor support, a second infrared transmitter arranged at the top of the material pulling sensor support and a second infrared receiver arranged at the bottom of the material pulling sensor support and matched with the second infrared transmitter. When the device works, the second infrared transmitter transmits vertical infrared light to be received by the second infrared receiver, when the side edge of the plate blocks the infrared light, the edge pushing roller 52 just abuts against the side edge of the plate, the second infrared receiver feeds back a signal to the control system to indicate that the edge finding of the pushing mechanism 5 is successful, and then the control system controls the pushing mechanism 5 to stop acting to wait for the transverse transferring and positioning of the plate in cooperation with the material pulling mechanism 4.

In this embodiment, location flange subassembly 3 includes that at least two are vertical to set firmly flange roller 31 on guide bar 12, and all flange rollers 31's horizontal position is the same to form the location benchmark, the response subassembly 6 that targets in place sets up on flange roller 31, and the side that relies on the response subassembly 6 that targets in place to detect the sheet material is hugged closely flange roller 31 and is realized the location.

The in-place sensing assembly 6 comprises an in-place sensor support, a third infrared transmitter arranged at the top of the in-place sensor support and a third infrared receiver arranged at the bottom of the in-place sensor support and matched with the third infrared transmitter. When the device works, the third infrared transmitter transmits vertical infrared light to be received by the third infrared receiver, when the side edge of the plate blocks the infrared light, the edge pushing roller 52 just abuts against the side edge of the plate, the third infrared receiver feeds back a signal to the control system, the side edge of the plate successfully abuts against the edge pushing roller 52 to achieve positioning after the plate is transferred through the cooperation of the material pushing mechanism 5 and the material pulling mechanism 4, the control system controls the material pushing mechanism 5 and the material pulling mechanism 4 to stop moving at the moment, the control system controls the movable gripper 42 to release the plate, then the plate can be further conveyed forwards, the plate is limited and guided by the edge blocking roller 31 and the edge pushing roller together, the plate cannot deviate in the conveying process, and the plate is guaranteed to be accurately butted. It can be understood that, because the edge blocking roller 31 and the edge pushing roller are rotatable, the friction force between the edge blocking roller 31 and the edge pushing roller and the side edge of the sheet is small, and the normal conveying of the sheet cannot be influenced.

Furthermore, at least two limiting rollers 32 are fixedly arranged on the guide rod 12. The limit roller 32 is arranged to limit the sheet material which is just sent into the frame 1 between the limit roller 32 and the flange roller 31, so as to prevent the edges and corners of the sheet material from colliding with the pushing mechanism 5 and the pulling mechanism 4.

Preferably, the material supporting frame 13 includes a plurality of material supporting square pipes 131 arranged at intervals, each guide rod 12 is connected in series with all the material supporting square pipes 131, the material supporting square pipes 131 are fixed on the guide rods 12 through lock rings 132, each material supporting square pipe 131 is provided with U-shaped grooves 133 which are the same in number as the material supporting rollers 2 and are in one-to-one correspondence with the material supporting rollers 2, and each material supporting roller 2 is embedded in the U-shaped groove 133; in practical application, the height of the material supporting roller 2 is slightly higher than the top surface of the material supporting square pipe 131, and the gap between the material supporting roller 2 and the groove wall of the U-shaped groove 133 is extremely narrow, so that the front edge of the plate material can smoothly fall onto the top surface of the material supporting square pipe 131 after leaving the material supporting roller 2, and cannot be clamped into the gap between the material supporting roller 2 and the groove wall of the U-shaped groove 133 to form interference, so that the problem of shell clamping of the plate material in the positioning process is avoided.

The position sensing assembly 9 is arranged on the material supporting square pipe 131, the position sensing assembly 9 comprises a plurality of groups of diffuse reflection photoelectric sensors which are arranged from back to front, and the control system can know the position of the front edge of the plate material through feedback signals of the diffuse reflection photoelectric sensors to the control system.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be understood that equivalents and modifications may be made by those skilled in the art based on the technical solution of the present invention and the inventive concept thereof, and all such modifications and alterations should fall within the scope of the present invention.

Claims (9)

1. An automatic edge finding and positioning device is characterized by comprising a rack, a plurality of material supporting rollers arranged on the rack in a crossing mode, a positioning flange assembly arranged on the rack, a material pulling mechanism used for pulling a plate material to the positioning flange assembly, and a material pushing mechanism used for pushing the plate material to the positioning flange assembly; the positioning flange assembly is provided with an in-place sensing assembly for detecting whether the side edge of the plate moves in place or not; the automatic edge-searching device is characterized in that a first edge-searching sensing assembly used for sensing one side edge of a plate material is arranged on the material pulling mechanism, a second edge-searching sensing assembly used for sensing the other side edge of the plate material is arranged on the material pushing mechanism, and a position sensing assembly used for sensing the transmission position of the plate material is arranged on the rack.

2. The automatic edge finding and positioning device according to claim 1, wherein the frame comprises two symmetrically arranged side plates, a plurality of guide rods connecting the two side plates; the guide rod extends along the transverse direction and is provided with a material supporting frame, and the position sensing assembly is arranged on the material supporting frame.

3. The automatic edge finding positioning device according to claim 2, wherein the material pulling mechanism comprises a material pulling slide seat slidably connected with the guide rod, a movable gripper arranged on the material pulling slide seat, and a material pulling driving device for driving the material pulling slide seat to move transversely.

4. The automatic edge finding and positioning device according to claim 3, wherein the movable gripper comprises a base fixed on the material pulling slide base, a swing base horizontally rotatably arranged on the base, and an air cylinder vertically arranged downwards on the swing base; the output end of the air cylinder is provided with a first material clamping block, and a second material clamping block matched with the first material clamping block is fixedly arranged on the swinging seat; the swing seat is provided with the first edge searching induction assembly.

5. The automatic edge finding positioning device as claimed in claim 4, wherein the base comprises a fixed plate, a vertical rod fixed on the fixed plate, a top plate fixed on the top end of the vertical rod, and a bottom plate fixed on the bottom end of the vertical rod; the swing seat comprises an upper connecting plate, a vertical plate and a lower connecting plate which enclose a C-shaped structure; the swing seat is rotatably arranged between the top plate and the bottom plate; the fixing plate comprises a raised head part and a flat plate part, the vertical rod is vertically arranged in the center of the raised head part, and the flat plate part is detachably connected with the material pulling sliding seat; the end face, deviating from the upper connecting plate, of the vertical plate is provided with two vertically extending limiting sides, and the two limiting sides are located on two sides of the protruding head portion respectively.

6. The automatic edge finding positioning device according to claim 3, wherein the drawing driving device comprises a transversely extending drawing screw, a screw nut sleeved on the drawing screw, and a drawing driving motor for driving the drawing screw to rotate, the screw nut being fixed on the drawing slide.

7. The automatic edge finding positioning device according to claim 2, wherein the pushing mechanism comprises a pushing slide seat connected with the guide rod in a sliding manner, at least two edge pushing rollers vertically arranged on the pushing slide seat, and a pushing driving device for driving the pushing slide seat to move transversely; the second edge searching induction component is arranged on the material pushing sliding seat.

8. The automatic edge-seeking positioning device according to claim 2, wherein the positioning edge-seeking assembly comprises at least two edge-seeking rollers vertically fixed on a guide rod, the in-place sensing assembly is arranged on the edge-seeking rollers, and at least two limiting rollers are fixed on the guide rod.

9. The automatic edge finding positioning device according to claim 2, wherein the material supporting frame comprises a plurality of material supporting square pipes arranged at intervals, each guide rod is connected with all the material supporting square pipes in series, the material supporting square pipes are fixed on the guide rods through lock rings, each material supporting square pipe is provided with U-shaped grooves which are the same in number and correspond to the material supporting rollers one by one, and each material supporting roller is embedded into the U-shaped groove; the position sensing assembly is arranged on the material supporting square pipe.

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