CN111408706A - Casting part grabbing device and casting part grabbing method - Google Patents

Abstract

The invention discloses a casting part grabbing device and a casting part grabbing method. The casting part grabbing device is used for grabbing and transporting casting parts and comprises a base, a mounting plate, four grabbing mechanisms, a proximity sensor and a controller, wherein the four grabbing mechanisms are respectively mounted at four corners of the bottom end of the mounting plate. Each material grabbing mechanism comprises a manipulator, a connecting block, a sliding block and an electric push-pull rod. The top of connecting block is installed on the one corner of the bottom of mounting panel, and the spout of perpendicular to mounting panel is seted up to one side of connecting block. The sliding block is slidably arranged in the sliding groove, and the top end of the manipulator is arranged on the sliding block. The electric push-pull rod is fixed in the top end of the sliding groove, and the telescopic end is fixed on the sliding block. According to the invention, the material grabbing mechanism is arranged, the electric push-pull rod is used for pushing and pulling the sliding block, the manipulator is further lifted, and meanwhile, the electric push-pull rod and the manipulator are started to grab the casting when the casting is detected by arranging the proximity sensor and the controller, so that the function of automatically grabbing materials is realized, and the grabbing of the casting is convenient.

Description

Casting part grabbing device and casting part grabbing method

The application is a divisional application with the application number of CN 201810914857.2 and the application date of 2018/08/13 and the name of the invention is a casting part grabbing device and a grabbing method thereof.

Technical Field

The invention relates to a material grabbing device and a material grabbing method in the technical field of manufacturing, in particular to a casting part material grabbing device and a casting part material grabbing method.

Background

The casting part is obtained by pouring liquid metal into a cavity of a casting mold with a shape and a size corresponding to those of the part, and cooling and solidifying the liquid metal to obtain a blank or the part. After the casting is completed, the casting often needs to be grabbed and transported to other locations for subsequent processing.

The existing grabbing and transporting of the cast parts are generally carried out in a manual mode, operators are easily scalded due to the high temperature of the cast parts, meanwhile, the manual grabbing efficiency is low, and the production of the cast parts is affected. And, current grab the material device and need manual operation and snatch the casting, snatch inefficiency to there is great snatching the error, is unfavorable for placing the casting in appointed position.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a casting part grabbing device and a casting part grabbing method, which have the advantages of convenience, safety and the like, and solve the problems of low grabbing efficiency and large grabbing error of the existing casting part.

(II) technical scheme

In order to achieve the purposes of convenience and safety, the invention provides the following technical scheme: a cast member grabbing device for grabbing and transporting a cast member, comprising:

a base;

the mounting plates are arranged above the base in parallel;

the four material grabbing mechanisms are respectively arranged on four corners of the bottom end of the mounting plate, and each material grabbing mechanism comprises a manipulator, a connecting block, a sliding block and an electric push-pull rod; the top end of the connecting block is arranged on one corner of the bottom end of the mounting plate, and one side of the connecting block is provided with a sliding chute vertical to the mounting plate; the sliding block is slidably arranged in the sliding groove; the manipulator is used for grabbing a casting part, and the top end of the manipulator is arranged on the sliding block; the electric push-pull rod is fixed in the top end of the sliding groove, and the telescopic end of the electric push-pull rod is fixed on the sliding block; the mechanical arm comprises a rotating shaft parallel to the mounting plate and two mechanical arms which are mutually crossed; the rotating shaft is inserted into the sliding block, and the two mechanical arms are rotatably arranged on the rotating shaft;

a proximity sensor fixed on the base; when the cast part approaches, the proximity sensor sends out a corresponding proximity signal;

the driving mechanism comprises two connecting strips and a linear driver which are symmetrical to each other; the linear driver is arranged on the sliding block, and the telescopic end of the linear driver is arranged downwards; the same ends of the two connecting strips are rotatably arranged on the telescopic ends of the linear drivers, and the same other ends of the two connecting strips are respectively rotatably arranged on the top ends of the two mechanical arms; and

the controller starts the electric push-pull rod to push the sliding block to slide downwards for a second preset distance when the distance between the casting and the proximity sensor reaches a second preset distance according to the proximity signal, and then starts the linear driver to enable the telescopic end of the linear driver to extend out and push the two connecting strips to enable the bottom ends of the two mechanical arms to be opened; the controller starts the electric push-pull rod again to push the sliding block to slide downwards for a preset distance III, so that the casting piece is positioned in the opening at the bottom ends of the two mechanical arms; the controller starts the linear driver again, the telescopic end of the linear driver contracts and pulls up the two connecting strips, and the bottom ends of the two mechanical arms clamp the casting; after delaying a preset time, the controller starts the electric push-pull rod again, and pulls the sliding block to slide upwards for a preset distance IV; the fourth preset distance is equal to the sum of the second preset distance and the third preset distance.

As a further improvement of the scheme, the upper surface of the mounting plate is provided with a storage groove, and one side of the mounting plate is provided with a plurality of ventilation holes communicated with the storage groove.

Further, the casting part grabbing device further comprises two telescopic pieces; one telescopic piece corresponds to one pair of connecting blocks close to the vent hole, and the other telescopic piece corresponds to the other pair of connecting blocks far away from the vent hole; each telescopic piece comprises an inserted link and an inserted sleeve; one end of the inserted link is fixed on one side of a corresponding connecting block, and the other end of the inserted link is inserted into one end of the insert sleeve; the other end of the plug bush is fixed on one side of the other corresponding connecting block.

Furthermore, a plurality of isolation plates are arranged in the storage groove to divide the storage groove into a plurality of isolation grooves; the casting part material grabbing device further comprises a plurality of hanging hooks, the hanging hooks are installed on the other side of the installation plate, and one hanging hook corresponds to one isolation groove.

As a further improvement of the scheme, the casting part grabbing device further comprises an adjusting nail and a threaded rod perpendicular to the adjusting nail; the top end of the connecting block is slidably arranged on one corner of the bottom end of the mounting plate; two ends of the threaded rod penetrate through the two connecting blocks arranged at the same end of the mounting plate and are rotatably arranged at the same end of the mounting plate.

Further, the adjusting nail comprises a rotating head, a connecting column and a threaded column, wherein the outer side of the threaded column is meshed with the middle part of the threaded rod; the threaded column, the connecting column and the rotating head are coaxially arranged and are sequentially connected.

As a further improvement of the scheme, each mechanical arm comprises a mechanical plate I, a bolt, a mechanical plate II and a hemispherical rubber block; the two mechanical plates are mutually crossed, and one of the two mechanical plates is rotatably arranged on the rotating shaft; the top end of the mechanical plate II is rotatably arranged on the bottom end of the mechanical plate I through a bolt; the rubber block is fixed on the bottom end of the second mechanical plate and the spherical surface of the rubber block is arranged downwards.

As a further improvement of the scheme, the casting part grabbing device further comprises a horizontal detection mechanism; the horizontal detection mechanism comprises an alarm and two infrared sensors; the transmitting end of the infrared sensor is fixed on the bottom end of one connecting block, the receiving end of the infrared sensor is fixed on the bottom end of the other connecting block, and the transmitting end and the corresponding receiving end are positioned on the same horizontal plane; and the alarm sends alarm information when the receiving end does not receive the infrared rays transmitted by the corresponding transmitting end.

The invention also provides a material grabbing method for the casting, which comprises the following steps:

step one, designing a casting part grabbing device; the casting member grabs the material device and includes:

a base;

the mounting plates are arranged above the base in parallel;

the four material grabbing mechanisms are respectively arranged on four corners of the bottom end of the mounting plate, and each material grabbing mechanism comprises a manipulator, a connecting block, a sliding block and an electric push-pull rod; the top end of the connecting block is arranged on one corner of the bottom end of the mounting plate, and one side of the connecting block is provided with a sliding chute vertical to the mounting plate; the sliding block is slidably arranged in the sliding groove; the manipulator is used for grabbing a casting part, and the top end of the manipulator is arranged on the sliding block; the electric push-pull rod is fixed in the top end of the sliding groove, and the telescopic end of the electric push-pull rod is fixed on the sliding block; the mechanical arm comprises a rotating shaft parallel to the mounting plate and two mechanical arms which are mutually crossed; the rotating shaft is inserted into the sliding block, and the two mechanical arms are rotatably arranged on the rotating shaft;

a proximity sensor fixed on the base; when the cast part approaches, the proximity sensor sends out a corresponding proximity signal;

the driving mechanism comprises two connecting strips and a linear driver which are symmetrical to each other; the linear driver is arranged on the sliding block, and the telescopic end of the linear driver is arranged downwards; the same ends of the two connecting strips are rotatably arranged on the telescopic ends of the linear drivers, and the same other ends of the two connecting strips are respectively rotatably arranged on the top ends of the two mechanical arms; and

a controller;

step two, designing a control method of the controller:

according to the approach signal, when the distance between the casting and the approach sensor reaches a preset distance, starting the electric push-pull rod to push the sliding block to slide downwards for a preset distance II;

starting the linear driver to enable the telescopic end of the linear driver to extend out and push the two connecting strips, so that the bottom ends of the two mechanical arms are opened;

starting the electric push-pull rod again to push the sliding block to slide downwards for a preset distance III, so that the casting part is positioned in the opening at the bottom ends of the two mechanical arms;

starting the linear driver again to enable the telescopic end of the linear driver to contract and pull up the two connecting strips, and clamping the casting part by the bottom ends of the two mechanical arms;

after delaying a preset time, starting the electric push-pull rod again to pull the sliding block to slide upwards for a preset distance IV; the fourth preset distance is equal to the sum of the second preset distance and the third preset distance.

As a further improvement of the scheme, the casting part material grabbing method comprises the following steps:

step three, designing a level detection alarm function:

an alarm and two infrared sensors are arranged on the casting part grabbing device; the transmitting end of the infrared sensor is fixed on the bottom end of one connecting block, the receiving end of the infrared sensor is fixed on the bottom end of the other connecting block, and the transmitting end and the corresponding receiving end are positioned on the same horizontal plane;

and the alarm sends alarm information as long as the receiving end does not receive the infrared rays transmitted by the corresponding transmitting end.

(III) advantageous effects

Compared with the prior art, the invention provides a casting part grabbing device and a grabbing method thereof, which have the following beneficial effects:

1. according to the casting part grabbing device and the casting part grabbing method, the grabbing mechanism is arranged, the electric push-pull rod is used for pushing and pulling the sliding block, the manipulator is further lifted, and meanwhile, the electric push-pull rod and the manipulator are started to grab the casting part when the casting part is detected through the proximity sensor and the controller, so that the function of automatically grabbing the casting part is achieved, and the grabbing of the casting part is facilitated. Simultaneously, four grab the material mechanism and set up on four angles of mounting panel, to the cast member of difference, can singly grab material mechanism and snatch a cast member, also can two grab material mechanism and snatch a great cast member in coordination to the material scope of grabbing the material device is enlarged, conveniently grabs the use of material device. And moreover, due to the adoption of the mode of automatically detecting and grabbing the casting part, the manual grabbing of the casting part is avoided, the safety of operators is protected, and the grabbing efficiency is improved.

2. According to the casting part grabbing device and the casting part grabbing method, the driving mechanism is arranged to drive the mechanical arm to open and close, the controller cooperatively controls the electric push-pull rod to work, so that automation of grabbing is achieved, the lifting distance of the mechanical arm is set in the process of grabbing materials, errors of grabbing materials are reduced, and therefore a casting part can be placed at a designated position.

3. According to the casting part grabbing device and the casting part grabbing method, the storage groove is formed, the ventilation hole is formed, so that part of the casting part can be stored conveniently, and ventilation and heat dissipation are realized. Meanwhile, the invention adjusts the distance between the pair of connecting blocks by arranging two telescopic pieces, wherein each telescopic piece is connected with the pair of connecting blocks. According to the invention, the adjusting nail and the threaded rod are arranged, and the threaded rod can be driven to rotate by rotating the adjusting nail, so that the two connecting blocks screwed on the threaded rod slide oppositely or reversely, and the distance between the two connecting blocks is adjusted. Like this, the distance between two arbitrary connecting blocks all can be adjusted, when needs snatch different cast member, can set up the distance between two connecting blocks according to actual need, further enlarges the scope of snatching of cast member.

4. According to the casting part grabbing device and the casting part grabbing method, the mechanical arms are arranged into the two mechanical arms which are mutually crossed, each mechanical arm is divided into the mechanical plate I and the mechanical plate II which mutually rotate, and the mechanical plates are fixed through the bolts, so that the shape of a grabbing surface of each mechanical arm is adjusted. When the cross section of the casting part is different, the manipulator is adjusted according to the size of the cross section of the casting part, and the material grabbing device is convenient to use.

5. According to the casting part grabbing device and the casting part grabbing method, the horizontal detection mechanism is arranged, when the manipulators corresponding to the two connecting blocks grab the same casting part, the infrared sensors are used for detecting whether the bottom ends of the two connecting blocks are positioned on the same horizontal plane, the situation that the casting part is inclined after being grabbed is avoided, the stability of the grabbing device for grabbing the casting part is improved, and the grabbing efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a casting part grabbing device in embodiment 1 of the invention;

FIG. 2 is a cross-sectional view of a connecting block, a drive mechanism and a robot of the casting grabbing device of FIG. 1;

FIG. 3 is a schematic view of a telescopic part and a material grabbing mechanism of the casting part material grabbing device in FIG. 1 when connected;

FIG. 4 is a schematic view of the casting grabber of FIG. 1 with the adjustment pin and threaded rod installed;

FIG. 5 is a schematic view of the adjustment pin of FIG. 4;

FIG. 6 is a schematic view of the casting grabbing device of FIG. 1 grabbing a casting in a storage box;

FIG. 7 is a schematic view of the casting grabber of FIG. 1 grabbing a casting;

FIG. 8 is a sectional view of a connecting block, a driving mechanism and a manipulator of a casting grabbing device according to embodiment 3 of the invention;

FIG. 9 is a schematic structural view of a casting part grabbing device in embodiment 4 of the invention;

FIG. 10 is a schematic structural view of a casting grabbing device in embodiment 5 of the invention;

FIG. 11 is a schematic structural view of a casting grabbing device in embodiment 6 of the invention;

FIG. 12 is a schematic structural view of a balance bar of the casting grabs in FIG. 11;

fig. 13 is a schematic structural view of a casting part grabbing device in embodiment 7 of the invention.

Description of the symbols:

1 suspension hook 23 elastic strip

2 mounting plate 24 electric push-pull rod

3 Vent 25 Linear actuator

4 support plate 26 spring

5 proximity sensor 27 positioning column two

6 roller 28 threaded rod

7 base 29 division board

8 manipulator 30 storage box

9 radiator-grid 31 placing seat

10 connecting block 32 casting part

12 button 33 connecting strip

13 controller 141 spin head

14 adjusting nail 142 connecting column

15 infrared sensor 143 screw thread post

16 mounting block 171 mounting bar

17 balance bar 172 rubber bar

18 inserted link 191 limiting rod

19 inserting sleeve 801 mechanical plate one

20 slider 802 bolt

21 rotating shaft 803 mechanical plate two

22 positioning column one 804 rubber block

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the casting grabbing device of the embodiment is used for grabbing and transporting a casting 32, and comprises a base 7, a roller 6, a supporting plate 4, a mounting plate 2, a suspension hook 1, a grabbing mechanism, a proximity sensor 5, a controller 13, a driving mechanism, a telescopic piece, an adjusting nail 14 and a threaded rod 28.

A plurality of rollers 6 are installed on the bottom end of the base 7, in this embodiment, the number of the rollers 6 is four, and the four rollers 6 are respectively installed on the four corners of the bottom end of the base 7, so that the base 7 can move on the ground.

The mounting plate 2 is arranged above the base 7 in parallel, and two support plates 4 are arranged at the centers of the mounting plate 2 and the base 7. The top of backup pad 4 is fixed on the bottom of mounting panel 2, and the bottom of backup pad 4 is fixed on base 7.

In some embodiments, the support plate 4 may be made up of a stack of flat plates and secured by welding. Thus, the height of the support plate 4 can be set according to actual needs.

The number of the material grabbing mechanisms is four, and the four material grabbing mechanisms are respectively arranged at four corners of the bottom end of the mounting plate 2. Wherein, each material grabbing mechanism comprises a manipulator 8, a connecting block 10, a sliding block 20 and an electric push-pull rod 24. The top of connecting block 10 is installed on the one corner of the bottom of mounting panel 2, and the spout of perpendicular to mounting panel 2 is seted up to one side of connecting block 10, and slider 20 slidable mounting is in the spout. The manipulator 8 is used for grabbing the casting 32, and the top end of the manipulator 8 is installed on the sliding block 20. An electric push-pull rod 24 is fixed in the top end of the sliding chute, and the telescopic end of the electric push-pull rod 24 is fixed on the sliding block 20.

In this embodiment, the top end of the connecting block 10 is slidably mounted on a corner of the bottom end of the mounting plate 2. A heat-radiating net 9 is provided at one side of the connection block 10 to reduce the temperature inside the connection block 10. The storing groove is seted up to the upper surface of mounting panel 2 to set up the ventilation hole 3 in a plurality of intercommunication storing grooves in one side of mounting panel 2, conveniently deposit some cast member 32, and ventilation cooling.

A plurality of hanging hooks 1 are mounted on the other side of the mounting plate 2 for hanging the casting 32.

The proximity sensor 5 is fixed to the base 7, and the proximity sensor 5 emits a corresponding proximity signal when the casting 32 approaches.

The controller 13 is mounted on the mounting plate 2. And the controller 13 starts the electric push-pull rod 24 to push the sliding block 20 to slide downwards by a preset distance two when the distance between the casting 32 and the proximity sensor 5 reaches a preset distance one according to the proximity signal, opens the manipulator 8 to enable the manipulator 8 to clamp the casting 32, and starts the electric push-pull rod 24 again to pull the sliding block 20 to slide upwards by the preset distance two after delaying for a preset time.

During operation, the electric push-pull rod 24 pushes and pulls the sliding block 20, the manipulator 8 is further lifted, and meanwhile, the electric push-pull rod 24 and the manipulator 8 are started to grab the casting 32 when the casting 32 is detected through the arrangement of the proximity sensor 5 and the controller 13, so that the function of automatic material grabbing is realized, and the grabbing of the casting 32 is facilitated.

In this embodiment, four grab the material mechanism and set up on four angles of mounting panel 2, to the cast member 32 of difference, can singly grab material mechanism and snatch a cast member 32, also can two grab material mechanism and snatch a great cast member 32 in coordination to the material scope of grabbing the material device is enlarged, the use of grabbing the material device is convenient. Moreover, due to the adoption of the mode of automatically detecting and grabbing the casting part 32, manual material grabbing is avoided, the safety of operators is protected, and the material grabbing efficiency is improved.

In some embodiments, a button 12 is provided on the controller 13, and the button 12 is used to activate or deactivate the controller 13 to facilitate control of the controller 13.

Referring to fig. 2, in some embodiments, the robot 8 includes a spindle 21 and two arms. The shaft 21 is parallel to the mounting plate 2 and inserted in the slider 20. The two mechanical arms are mutually crossed and are rotatably arranged on the rotating shaft 21.

The driving mechanism is used for driving the mechanical arm 8 to work and comprises an elastic strip 23 and a linear driver 25. Two ends of the elastic strip 23 are respectively fixed on the top ends of the two mechanical arms. The linear actuator 25 is mounted on the slider 20 with the telescopic end of the linear actuator 25 disposed downwardly and against the resilient strip 23.

After the controller 13 starts the electric push-pull rod 24 to push the slider 20 to slide downwards for a preset distance two, the linear actuator 25 is started, and the telescopic end of the linear actuator 25 extends out and pushes the elastic strip 23, so that the bottom ends of the two mechanical arms are opened. The controller 13 again activates the electric push-pull rod 24 to push the slide block 20 to slide downward a predetermined distance three, so that the casting 32 is located in the opening at the bottom end of the two mechanical arms. The controller 13 again activates the linear actuator 25 and the telescopic end of the linear actuator 25 retracts and releases the resilient strip 23 and the lower ends of the two arms grip the casting 32. The controller 13 again activates the electric push-pull rod 24 to pull the slide block 20 to slide upward a predetermined distance of four. And the preset distance IV is equal to the sum of the preset distance II and the preset distance III.

In some embodiments, the driving mechanism further includes a first positioning post 22, a spring 26, and a second positioning post 27. The number of the first positioning columns 22, the spring 26 and the second positioning columns 27 is two, and the two second positioning columns 27 are symmetrical with respect to the rotating shaft 21. The same ends of the two positioning columns I22 are respectively inserted into and fixed at the top ends of the two mechanical arms. The two second positioning pillars 27 are respectively arranged below the two first positioning pillars 22, and the same ends of the two second positioning pillars 27 are respectively inserted into and fixed in the sliding block 20. Two ends of the elastic strip 23 are respectively fixed on the same other ends of the two positioning columns I22. The same ends of the two springs 26 are fixed on the same other ends of the two positioning columns I22, and the same other ends of the two springs 26 are fixed on the same other ends of the two positioning columns II 27.

The driving mechanism drives the mechanical arm 8 to open and close, the controller 13 cooperatively controls the electric push-pull rod 24 to work, so that the material grabbing automation is realized, in the material grabbing process, the lifting distance of the mechanical arm 8 is set, the material grabbing error is reduced, and the casting 32 can be placed at a designated position.

Referring to fig. 3, the number of the expansion members is two, one expansion member corresponds to one pair of connection blocks 10 close to the ventilation holes 3, and the other expansion member corresponds to the other pair of connection blocks 10 far from the ventilation holes 3. Each telescopic piece comprises an inserted bar 18, an inserted sleeve 19 and a limiting rod 191. One end of the insert rod 18 is fixed to one side of a corresponding one of the connection blocks 10, and the other end of the insert rod 18 is inserted into one end of the insert sleeve 19. The other end of the insert 19 is fixed to one side of the corresponding other connecting block 10. Meanwhile, one end of the stopper rod 191 passes through the plug bush 19 and is inserted into the plug rod 18 to restrict the relative sliding of the plug rod 18 and the plug bush 19. Here, each telescopic member connects a pair of connection blocks 10 to adjust a distance between the pair of connection blocks 10.

Referring to fig. 4 and 5, two ends of the threaded rod 28 penetrate through the two connecting blocks 10 mounted on the same end of the mounting plate 2 and are rotatably mounted in the same end of the mounting plate 2. The adjusting screw 14 is perpendicular to the threaded rod 28, and the adjusting screw 14 includes a rotating head 141, a connecting column 142, and a threaded column 143. The outer side of the threaded column 143 is engaged with the middle of the threaded rod 28, and the threaded column 143, the connecting column 142, and the rotating head 141 are coaxially arranged and sequentially connected. The adjusting screw can rotate the threaded rod 28 to make the two connecting blocks 10 screwed on the threaded rod 28 slide towards each other or reversely to adjust the distance between the two connecting blocks 10.

Therefore, the distance between any two connecting blocks 10 can be adjusted through the telescopic piece, the threaded rod 28 and the adjusting nail 14, when different casting parts 32 need to be grabbed, the distance between the two connecting blocks 10 can be set according to actual needs, and the grabbing range of the casting parts 32 is further expanded.

Referring to fig. 6, a storage box 30 is placed on one side of the casting grabbing device, and the manipulator 8 is located above the storage box 30. In operation, the one grasping mechanism located in the storage bin 30 grasps the casting 32 from within the storage bin 30, while the other grasping mechanisms may be deactivated. Certainly, other grabbing mechanisms can grab the material independently, so that the grabbing efficiency of the grabbing device is improved.

Referring to fig. 7, the casting 32 is cylindrical in shape and the length of the casting 32 is long. The casting 32 is placed on the holder 31, and the two material gripping mechanisms work simultaneously to grip the material in a coordinated manner.

To sum up, compare in present casting member and grab material device, the casting member of this embodiment grabs the material device and has following advantage:

1. the casting grabbing device of the embodiment utilizes the electric push-pull rod 24 to push and pull the sliding block 20 through the arrangement of the grabbing mechanism, further enables the manipulator 8 to ascend and descend, and meanwhile, through the arrangement of the proximity sensor 5 and the controller 13, when the casting 32 is detected, the electric push-pull rod 24 and the manipulator 8 are started to grab the casting 32, so that the function of automatically grabbing materials is realized, and the grabbing of the casting 32 is facilitated. Simultaneously, four grab the material mechanism and set up on four angles of mounting panel 2, to the cast member 32 of difference, can singly grab material mechanism and snatch a cast member 32, also can two grab material mechanism and snatch a great cast member 32 in coordination to the material scope of grabbing the material device is enlarged, conveniently grabs the use of material device. Moreover, due to the adoption of the mode of automatically detecting and grabbing the casting part 32, manual material grabbing is avoided, the safety of operators is protected, and the material grabbing efficiency is improved.

2. The casting part grabbing device of the embodiment drives the mechanical arm 8 to open and close by arranging the driving mechanism, and the controller 13 controls the electric push-pull rod 24 to work cooperatively, so that the automation of grabbing is realized, the lifting distance of the mechanical arm 8 is set in the process of grabbing materials, the error of grabbing materials is reduced, and the casting part 32 can be placed at a designated position.

3. The casting part of this embodiment grabs material device through setting up the storing groove and seting up ventilation hole 3, conveniently deposits partial casting part 32 to ventilation cooling. Meanwhile, the present embodiment adjusts the distance between the pair of connection blocks 10 by providing two telescopic members each connecting the pair of connection blocks 10. In the embodiment, the adjusting nail 14 and the threaded rod 28 are arranged, and the threaded rod 28 can be driven to rotate by rotating the adjusting nail 14, so that the two connecting blocks 10 screwed on the threaded rod 28 slide towards each other or reversely slide, and the distance between the two connecting blocks 10 is adjusted. Like this, the distance between two arbitrary connecting blocks 10 all can be adjusted, when needs snatch different cast member 32, can set up the distance between two connecting blocks 10 according to actual need, further enlarges the scope of snatching of cast member 32.

Example 2

The embodiment discloses a material grabbing method of a casting part material grabbing device, and the casting part material grabbing device in the embodiment 1 is adopted. The material grabbing method comprises the following steps:

(a) according to the approach signal sent by the approach sensor 5, when the distance between the casting 32 and the approach sensor 5 reaches a preset distance, the electric push-pull rod 24 is started to push the sliding block 20 to slide downwards by a preset distance two.

(b) The linear actuator 25 is activated and the telescopic end of the linear actuator 25 extends and pushes the elastic strip 23 to open the bottom ends of the two mechanical arms.

(c) The electric push-pull rod 24 is started again to push the sliding block 20 to slide downwards for a preset distance III, so that the casting part 32 is positioned in the openings at the bottom ends of the two mechanical arms; the controller 13 again activates the linear actuator 25 and the telescopic end of the linear actuator 25 retracts and releases the resilient strip 23 and the lower ends of the two arms grip the casting 32.

(d) After a preset time delay, the controller 13 starts the electric push-pull rod 24 again to pull the sliding block 20 to slide upwards for a preset distance four; wherein the preset distance four is equal to the sum of the preset distance two and the preset distance three.

Example 3

Referring to fig. 8, the casting catching device of this embodiment is similar to that of embodiment 1, except that the elastic strip 23 is replaced by two symmetrical connecting strips 33. The same ends of the two connecting strips 33 are rotatably mounted on the telescopic ends of the linear drivers 25, and the same other ends of the two connecting strips 33 are respectively rotatably mounted on the top ends of the two mechanical arms. Compared with the elastic strip 23, the service life of the connecting strip 33 is longer, so that the service life of the material grabbing device for the casting 32 can be prolonged.

The embodiment also discloses a material grabbing method of the casting part material grabbing device, and the casting part material grabbing device in the embodiment is adopted. The material grabbing method comprises the following steps:

(a) according to the approach signal sent by the approach sensor 5, when the distance between the casting 32 and the approach sensor 5 reaches a preset distance, the electric push-pull rod 24 is started to push the sliding block 20 to slide downwards by a preset distance two.

(b) The linear actuator 25 is activated, and the telescopic end of the linear actuator 25 extends out and pushes the two connecting bars 33, so that the bottom ends of the two mechanical arms are opened.

(c) The electric push-pull rod 24 is started again to push the sliding block 20 to slide downwards for a preset distance III, so that the casting part 32 is positioned in the openings at the bottom ends of the two mechanical arms; the controller 13 again activates the linear actuator 25, the telescopic end of the linear actuator 25 retracts and pulls the two connecting strips 33 upwards, and the bottom ends of the two robot arms grip the casting 32.

(d) After a preset time delay, the controller 13 starts the electric push-pull rod 24 again to pull the sliding block 20 to slide upwards for a preset distance four; wherein the preset distance four is equal to the sum of the preset distance two and the preset distance three.

Example 4

Referring to fig. 9, the casting catching apparatus of the present embodiment is similar to that of embodiment 1, except that the structure of the manipulator 8 of the present embodiment is different from that of embodiment 1. Wherein, each mechanical arm comprises a first mechanical plate 801, a bolt 802, a second mechanical plate 803 and a hemispherical rubber block 804. The two mechanical plates I801 are mutually crossed, and the two mechanical plates I801 are rotatably arranged on the rotating shaft 21. The top end of the second mechanical plate 803 is rotatably mounted on the bottom end of the first mechanical plate 801 through a bolt 802; the rubber block 804 is fixed on the bottom end of the second mechanical plate 803, and the spherical surface is downward.

According to the casting part grabbing device, the mechanical arm 8 is arranged into two mechanical arms which are mutually crossed, each mechanical arm is divided into a first mechanical plate 801 and a second mechanical plate 803 which are mutually rotated, and the first mechanical plate and the second mechanical plate are fixed through the bolt 802, so that the shape of a grabbing surface of the mechanical arm 8 is adjusted. When the cross sections of the casting parts 32 are different, the manipulator 8 is adjusted according to the size of the cross section of the casting part 32, and the material grabbing device is convenient to use.

Example 5

Referring to fig. 10, the casting grabbing device of the embodiment is added with a level detection mechanism on the basis of embodiment 1. The level detection mechanism comprises an alarm and two infrared sensors 15. The transmitting end of the infrared sensor 15 is fixed on the bottom end of one connecting block 10, the receiving end of the infrared sensor 15 is fixed on the bottom end of another connecting block 10, and the transmitting end and the receiving end of the infrared sensor 15 are located on the same horizontal plane. When the receiving end of the infrared sensor 15 does not receive the infrared rays emitted by the emitting end of the infrared sensor 15, the alarm sends alarm information.

The casting member of this embodiment grabs the material device, through setting up horizontal detection mechanism, when manipulator 8 that these two connecting blocks 10 correspond snatched same casting member 32, whether the bottom that utilizes infrared sensor 15 to detect two connecting blocks 10 was in same horizontal plane, avoided casting 32 to appear the slope after snatching, improved the stability that the material device snatched casting member 32, the improvement is grabbed and is expected efficiency.

Example 6

Referring to fig. 11 and 12, the casting catching apparatus of the present embodiment is similar to that of embodiment 1, except that the supporting plate 4 is replaced by a balance mechanism. The balancing mechanism includes a mounting block 16 and a plurality of balancing bars 17, and each balancing bar 17 includes a mounting bar 171 and a rubber bar 172. The mounting rod 171 is a rod made of a rigid material, the rubber rod 172 is inserted into the mounting block 16, and the bottom end of the mounting rod 171 is also inserted into the mounting block 16 and connected to the top end of the rubber rod 172. The top end of the mounting bar 171 is fixed to the bottom end of the mounting plate 2.

When the mounting plate 2 is unbalanced and generates vibration relative to the base 7, the balance bar 17 reduces the vibration, making the mounting plate 2 more stable.

Example 7

Referring to fig. 13, the casting grabbing device of the present embodiment is added with a plurality of partition plates 29 on the basis of embodiment 1. The plurality of isolation plates 29 are arranged in the storage tank to divide the storage tank into a plurality of isolation tanks, and one suspension hook 1 corresponds to one isolation tank. In this way, the hanger hook 1 can hang the castings 32 so that the bottom ends of the respective castings 32 are located in different isolation slots to facilitate placement of the castings 32.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A cast member grabs material device, its is used for snatching and transports cast member (32), and it includes base (7), its characterized in that: the material grabbing device further comprises:

the mounting plate (2) is arranged above the base (7) in parallel;

the four material grabbing mechanisms are respectively arranged on four corners of the bottom end of the mounting plate (2), and each material grabbing mechanism comprises a manipulator (8), a connecting block (10), a sliding block (20) and an electric push-pull rod (24); the top end of the connecting block (10) is arranged on one corner of the bottom end of the mounting plate (2), and one side of the connecting block (10) is provided with a sliding chute vertical to the mounting plate (2); the sliding block (20) is slidably arranged in the sliding groove; the manipulator (8) is used for grabbing the casting (32), and the top end of the manipulator (8) is installed on the sliding block (20); an electric push-pull rod (24) is fixed in the top end of the sliding groove, and the telescopic end of the electric push-pull rod (24) is fixed on the sliding block (20); the manipulator (8) comprises a rotating shaft (21) parallel to the mounting plate (2) and two mutually crossed mechanical arms; the rotating shaft (21) is inserted into the sliding block (20), and the two mechanical arms are rotatably arranged on the rotating shaft (21);

a proximity sensor (5) fixed to the base (7); the proximity sensor (5) emits a corresponding proximity signal when the casting (32) approaches;

the driving mechanism comprises two mutually symmetrical connecting strips (33) and a linear driver (25); the linear driver (25) is arranged on the sliding block (20), and the telescopic end of the linear driver (25) is arranged downwards; the same end of each of the two connecting strips (33) is rotatably arranged on the telescopic end of the linear driver (25), and the same other end of each of the two connecting strips (33) is rotatably arranged on the top ends of the two mechanical arms respectively; and

the controller (13) starts the electric push-pull rod (24) to push the sliding block (20) to slide downwards for a preset distance two when the distance between the casting (32) and the proximity sensor (5) reaches a preset distance one according to the proximity signal, and then starts the linear driver (25) to enable the telescopic end of the linear driver (25) to extend out and push the two connecting strips (33) to enable the bottom ends of the two mechanical arms to be opened; the controller (13) starts the electric push-pull rod (24) again to push the sliding block (20) to slide downwards for a preset distance III, so that the casting part (32) is positioned in the opening at the bottom ends of the two mechanical arms; the controller (13) starts the linear driver (25) again, the telescopic end of the linear driver (25) contracts and pulls up the two connecting strips (33), and the bottom ends of the two mechanical arms clamp the casting (32); after delaying a preset time, the controller (13) starts the electric push-pull rod (24) again, and pulls the sliding block (20) to slide upwards for a preset distance four; the fourth preset distance is equal to the sum of the second preset distance and the third preset distance.

2. A cast member grabbing device as claimed in claim 1, wherein: the upper surface of the mounting plate (2) is provided with a storage groove, and one side of the mounting plate (2) is provided with a plurality of ventilation holes (3) communicated with the storage groove.

3. A cast member grabbing device as claimed in claim 2, wherein: the casting part grabbing device further comprises two telescopic parts; one telescopic piece corresponds to one pair of connecting blocks (10) close to the vent holes (3), and the other telescopic piece corresponds to the other pair of connecting blocks (10) far away from the vent holes (3); each telescopic piece comprises an insert rod (18) and an insert sleeve (19); one end of the inserted bar (18) is fixed on one side of a corresponding connecting block (10), and the other end of the inserted bar (18) is inserted into one end of the insert sleeve (19); the other end of the plug bush (19) is fixed on one side of the corresponding other connecting block (10).

4. A cast member grabbing device as claimed in claim 2, wherein: a plurality of isolation plates (29) are arranged in the storage tank to divide the storage tank into a plurality of isolation tanks; the casting part grabbing device further comprises a plurality of hanging hooks (1), the hanging hooks (1) are installed on the other side of the installation plate (2), and one hanging hook (1) corresponds to one isolation groove.

5. A cast member grabbing device as claimed in claim 1, wherein: the casting part grabbing device further comprises an adjusting nail (14) and a threaded rod (28) perpendicular to the adjusting nail (14); the top end of the connecting block (10) is slidably arranged on one corner of the bottom end of the mounting plate (2); two ends of the threaded rod (28) penetrate through the two connecting blocks (10) arranged at the same end of the mounting plate (2) and are rotatably arranged at the same end of the mounting plate (2).

6. A cast member grabs material device as claimed in claim 5, characterized in that: the adjusting nail (14) comprises a rotating head (141), a connecting column (142) and a threaded column (143) the outer side of which is meshed with the middle part of the threaded rod (28); the threaded column (143), the connecting column (142) and the rotating head (141) are coaxially arranged and are sequentially connected.

7. A cast member grabbing device as claimed in claim 1, wherein: each mechanical arm comprises a mechanical plate I (801), a bolt (802), a mechanical plate II (803) and a hemispherical rubber block (804); the two first mechanical plates (801) are mutually crossed, and the two first mechanical plates (801) are rotatably arranged on the rotating shaft (21); the top end of the second mechanical plate (803) is rotatably arranged on the bottom end of the first mechanical plate (801) through a bolt (802); the rubber block (804) is fixed on the bottom end of the second mechanical plate (803) and is arranged with the spherical surface facing downwards.

8. A cast member grabbing device as claimed in claim 1, wherein: the casting part grabbing device further comprises a horizontal detection mechanism; the horizontal detection mechanism comprises an alarm and two infrared sensors (15); the transmitting end of the infrared sensor (15) is fixed on the bottom end of one connecting block (10), the receiving end of the infrared sensor (15) is fixed on the bottom end of the other connecting block (10), and the transmitting end and the corresponding receiving end are positioned on the same horizontal plane; and the alarm sends alarm information when the receiving end does not receive the infrared rays transmitted by the corresponding transmitting end.

9. A material grabbing method for a casting part is characterized by comprising the following steps: which comprises the following steps:

step one, designing a casting part grabbing device; the casting member grabs the material device and includes:

a base (7);

the mounting plate (2) is arranged above the base (7) in parallel;

the four material grabbing mechanisms are respectively arranged on four corners of the bottom end of the mounting plate (2), and each material grabbing mechanism comprises a manipulator (8), a connecting block (10), a sliding block (20) and an electric push-pull rod (24); the top end of the connecting block (10) is arranged on one corner of the bottom end of the mounting plate (2), and one side of the connecting block (10) is provided with a sliding chute vertical to the mounting plate (2); the sliding block (20) is slidably arranged in the sliding groove; the manipulator (8) is used for grabbing the casting (32), and the top end of the manipulator (8) is installed on the sliding block (20); an electric push-pull rod (24) is fixed in the top end of the sliding groove, and the telescopic end of the electric push-pull rod (24) is fixed on the sliding block (20); the manipulator (8) comprises a rotating shaft (21) parallel to the mounting plate (2) and two mutually crossed mechanical arms; the rotating shaft (21) is inserted into the sliding block (20), and the two mechanical arms are rotatably arranged on the rotating shaft (21);

a proximity sensor (5) fixed to the base (7); the proximity sensor (5) emits a corresponding proximity signal when the casting (32) approaches;

the driving mechanism comprises two mutually symmetrical connecting strips (33) and a linear driver (25); the linear driver (25) is arranged on the sliding block (20), and the telescopic end of the linear driver (25) is arranged downwards; the same end of each of the two connecting strips (33) is rotatably arranged on the telescopic end of the linear driver (25), and the same other end of each of the two connecting strips (33) is rotatably arranged on the top ends of the two mechanical arms respectively; and

a controller (13);

step two, designing a control method of the controller (13):

according to the proximity signal, when the distance between the casting (32) and the proximity sensor (5) reaches a preset distance, starting the electric push-pull rod (24) to push the sliding block (20) to slide downwards for a preset distance II;

starting the linear driver (25), so that the telescopic end of the linear driver (25) extends out and pushes the two connecting strips (33), and the bottom ends of the two mechanical arms are opened;

the electric push-pull rod (24) is started again to push the sliding block (20) to slide downwards for a preset distance III, so that the casting part (32) is positioned in the opening at the bottom ends of the two mechanical arms;

starting the linear driver (25) again to enable the telescopic end of the linear driver (25) to contract and pull up the two connecting strips (33), and clamping the casting (32) by the bottom ends of the two mechanical arms;

after delaying a preset time, starting the electric push-pull rod (24) again to pull the sliding block (20) to slide upwards for a preset distance IV; the fourth preset distance is equal to the sum of the second preset distance and the third preset distance.

10. A method of grabbing a cast product as claimed in claim 9, wherein: the casting part grabbing method comprises the following steps:

step three, designing a level detection alarm function:

an alarm and two infrared sensors (15) are arranged on the casting part grabbing device; the transmitting end of the infrared sensor (15) is fixed on the bottom end of one connecting block (10), the receiving end of the infrared sensor (15) is fixed on the bottom end of the other connecting block (10), and the transmitting end and the corresponding receiving end are positioned on the same horizontal plane;

and the alarm sends alarm information as long as the receiving end does not receive the infrared rays transmitted by the corresponding transmitting end.

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