Automatically-controlled flexible workstation

Abstract

The invention relates to the field of flexible workstations, in particular to an automatically-controlled flexible workstation which comprises a stock bin, a plurality of placing frames, a mechanical arm and a mounting seat, a plurality of placing grooves are formed in the tops of the placing frames, and a plurality of sets of fixing mechanisms used for limiting parts are mounted on the placing frames; the fixing mechanism comprises a two-way screw rotationally installed on the inner wall of the containing groove and two fixing plates slidably installed in the containing groove, the two ends of the two-way screw penetrate into the fixing plates correspondingly and are both in threaded connection with the fixing plates, a first rack is slidably installed in the containing groove, a first gear meshed with the first rack is fixedly connected to the two-way screw, and a second gear meshed with the second rack is fixedly connected to the two-way screw. A first spring is fixedly connected between the first rack and the inner wall of the placing groove, an iron block is fixedly connected to the first rack, an electromagnet used in cooperation with the iron block is fixedly connected into the placing groove, and a control part used for powering on and powering off the electromagnet is installed on the placing frame. The problem that the working efficiency of equipment is low is solved.

Description

Technical Field

[0001] The invention relates to the field of flexible workstations, in particular to an automatically controlled flexible workstation. Background Art

[0002] CNC lathe, also known as CNC lathe, is a computer numerical control lathe. It is the most widely used CNC machine tool in China. CNC machine tools automatically process the parts to be processed according to the pre-compiled processing program. We compile the processing route, process parameters, tool movement trajectory, displacement, cutting parameters and auxiliary functions of the parts into a processing program sheet according to the instruction code and program format specified by the CNC machine tool, and then record the contents of this program sheet on the control medium, and then input it into the CNC device of the CNC machine tool, so as to command the machine tool to process the parts.

[0003] For related technologies, reference may be made to the Chinese invention patent with announcement number CN116276262A, which discloses a control system for a flexible workstation, including a control component, wherein the control component includes a control host, a robotic arm, a manipulator, a placement slot, an identification camera, a mounting seat, an infrared detector, a silo, a beam-type placement rack, a tool head silo, two tool head racks, two limit blocks and a tool head slot, wherein the two limit blocks are symmetrically fixedly connected to the inner wall of the silo on both sides of the silo with their opposite faces away from each other, the lower surface of the beam-type placement rack is attached to the upper surfaces of the two limit blocks, and the placement slots are evenly opened on the upper surface of the beam-type placement rack; when working, first use a forklift to take out the beam-type placement rack, and then place the parts in the placement slot in turn, and then use a forklift again to place the beam-type placement rack in the silo, and limit the position of the beam-type placement rack by the limit blocks. When the CNC equipment needs to load materials, the manipulator clamps the parts and moves the parts into the CNC equipment for loading and processing of the parts.

[0004] Regarding the above-mentioned related technologies, during the process of moving parts into the silo, if the staff operates improperly, the beam-type placement rack will shake, and the parts will easily fall out of the placement slot, so that the staff needs to place the parts again, resulting in low working efficiency of the equipment. Summary of the invention

[0005] In order to solve the problem of low working efficiency of equipment, the present invention provides an automatically controlled flexible workstation.

[0006] The present invention provides an automatic control flexible workstation adopting the following technical solution: A flexible workstation with automatic control comprises a material bin, a plurality of placement racks, a robotic arm and a mounting seat, a plurality of placement slots being provided on the top of the placement rack, a plurality of fixing mechanisms for limiting the positions of parts being installed on the placement rack, the fixing mechanisms comprising a bidirectional screw rotatably installed on the inner wall of the placement slot and two fixing plates slidably installed in the placement slot, the two ends of the bidirectional screw being respectively passed through the fixing plates and being threadedly connected to the fixing plates, a first rack being slidably installed in the placement slot, a first gear meshing with the first rack being fixedly connected to the bidirectional screw, a first spring being fixedly connected between the first rack and the inner wall of the placement slot, an iron block being fixedly connected to the first rack, an electromagnet being fixedly connected in the placement slot for use with the iron block, and a control component for energizing and de-energizing the electromagnet being installed on the placement rack.

[0007] Preferably, a battery electrically connected to the electromagnet through a wire is fixedly connected to the placement rack, a control groove is opened on the inner bottom surface of the placement groove, the control component includes a control block slidably installed in the control groove, the control block can contact the part, a second spring is fixedly connected between the control block and the inner bottom surface of the control groove, a first switch electrically connected to the electromagnet through a wire is arranged on the control block, a second switch electrically connected to the battery through a wire is arranged on the inner wall of the control groove, the first switch is used in conjunction with the second switch, and a separation component for separating the second switch from the first switch is installed in the control groove.

[0008] Preferably, the mounting seat is installed on the robotic arm, and the separation component includes a separation rod passing through the side wall of the placement rack, the separation rod can contact the mounting seat, the separation rod extends into the control groove, the second switch is arranged on the separation rod, and a third spring is fixedly connected between the separation rod and the inner wall of the control groove.

[0009] Preferably, a locking mechanism is installed on the placement rack, and the locking mechanism includes a mounting block arranged on the placement rack, a locking mounting groove is provided on the side wall of the mounting block, a locking spring is fixedly connected to the inner wall of the locking mounting groove, a locking block is slidably installed in the locking mounting groove, the locking spring is fixedly connected to the locking block, a locking plug-in groove for inserting the locking block is provided on the side wall of the silo, a locking inclined surface is provided on the end surface of the locking block away from the locking spring, and the locking inclined surface can contact the side of the silo, a sliding groove is provided on the end surface of the placement rack, the mounting block is slidably installed in the sliding groove, and a driving component for driving the mounting block to move is installed on the placement rack.

[0010] Preferably, a fourth spring is fixedly connected between the mounting block and the inner wall of the sliding groove, an air flow channel which passes through the sliding groove is formed in the placement frame, the driving component includes an abutment rod slidably placed in the air flow channel, the four side walls of the abutment rod are in contact with the inner wall of the air flow channel, the abutment rod extends into the sliding groove and contacts the mounting block, multiple placement grooves are fixedly connected with airbags, multiple airbags are connected to the air flow channel through pipes, and an extrusion plate is fixedly connected to the first rack, and the extrusion plate contacts the airbags.

[0011] Preferably, a covering pressing mechanism is installed on the placing rack, and the covering pressing mechanism includes a flip shaft rotatably installed on the placing rack, a covering pressing plate is fixedly connected to the flip shaft, and the covering pressing plate can contact multiple parts, a first torsion spring is sleeved on the flip shaft, one end of the first torsion spring is fixedly connected to the placing rack, and the other end of the first torsion spring is fixedly connected to the flip shaft, a tooth plate is fixedly connected to the inner wall of the silo, a plurality of teeth are hingedly connected to the bottom of the tooth plate, a hinge shaft installed in the teeth is located on the side of the teeth away from the mounting seat, a second torsion spring is sleeved on the hinge shaft installed in the teeth, and a second gear capable of meshing with the plurality of teeth is fixedly connected to the flip shaft.

[0012] Preferably, a fixing block is fixedly connected to the placement rack, a limiting mechanism for positioning the cover pressure plate is installed on the fixing block, a limiting installation groove is provided on the side wall of the fixing block, the limiting mechanism includes a limiting spring fixedly connected to the inner wall of the limiting installation groove, a limiting block is slidably installed in the limiting installation groove, the limiting spring is fixedly connected to the limiting block, a limiting plug-in groove for inserting the limiting block is provided on the side wall of the cover pressure plate, a transmission component is installed on the mounting block, and the mounting block can drive the limiting block to detach from the limiting plug-in groove through the transmission component.

[0013] Preferably, the transmission component includes an L-shaped baffle rod fixedly connected to the mounting block, the L-shaped baffle rod is passed through the outside of the placement rack and can slide on the placement rack, the end of the limit block away from the cover plate is fixedly connected to a pull rod, the pull rod extends to the outside of the fixed block, the end of the pull rod away from the limit block is fixedly connected to a pull plate, and the L-shaped baffle rod can contact the pull plate.

[0014] Preferably, two opposite inner walls of the silo are fixedly connected with receiving plates, the tops of the two receiving plates are provided with slide grooves, the end of the slide groove away from the robotic arm is provided with an opening, and guide slopes are formed on the two inner walls of the opening end of the slide groove, the distance between the two guide slopes close to the end of the robotic arm is smaller than the distance between the two ends away from the robotic arm, and both ends of the bottom of the placement rack are fixedly connected with sliders placed in the slide grooves.

[0015] Preferably, a clamping spring is fixedly connected to the inner wall of the slide groove close to one end of the mechanical arm, and the clamping spring can abut against the sliding block.

[0016] In summary, the present invention includes at least the following beneficial technical effects: 1. When the parts are placed in the placement slot, the control component is started to energize the electromagnet, the electromagnet attracts the iron block, the iron block drives the first rack to move, the first rack drives the first gear to rotate, the first gear drives the bidirectional screw to rotate, the bidirectional screw drives the two fixing plates to approach each other, clamping and fixing the parts, and in the process of the placement rack moving, the parts are prevented from shaking and falling out of the placement slot, solving the problem of low working efficiency of the equipment; 2. When parts to be processed are placed in multiple placement slots, the driving component drives the installation block to move, so that the locking block extends from the sliding slot, and then the placement rack is placed in the silo. When the locking inclined surface contacts the side of the silo, the locking block shrinks into the locking installation slot to compress the locking spring. When the locking block is opposite to the locking insertion slot, the locking spring pushes the locking block to be inserted into the locking insertion slot, and the locking block locks the placement rack to complete the connection between the placement rack and the silo, which is convenient for the staff to operate and further solves the problem of low working efficiency of the equipment. 3. When parts to be processed are placed in multiple placement slots, the first torsion spring applies force to the cover pressure plate, so that the cover pressure plate is pressed on top of the multiple parts, further limiting the parts to prevent the parts from shaking and falling out of the placement slots. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of an automatically controlled flexible workstation according to an embodiment of the present invention.

[0018] Figure 2 It is a schematic structural diagram of a silo according to an embodiment of the present invention.

[0019] Figure 3 It is a schematic structural diagram of a placement rack according to an embodiment of the present invention.

[0020] Figure 4 It is a structural schematic diagram of a fixing mechanism according to an embodiment of the present invention.

[0021] Figure 5 Schematic diagram of the structure of the cover plate of the embodiment of the present invention.

[0022] Figure 6 Schematic diagram of the structure of a fixing plate according to an embodiment of the present invention.

[0023] Figure 7 It is a schematic diagram of the structure of the control component of an embodiment of the present invention.

[0024] Figure 8 Schematic diagram of the structure of the locking mechanism of the embodiment of the present invention.

[0025] Fig. 9 Schematic diagram of the structure of the driving component of the embodiment of the present invention.

[0026] Fig.10 2 is a schematic structural diagram of a cover pressing mechanism according to an embodiment of the present invention.

[0027] Fig.11 It is a schematic structural diagram of a limiting mechanism according to an embodiment of the present invention.

[0028] Fig.12 Schematic diagram of the structure of the tooth plate of the embodiment of the present invention.

[0029] Description of reference numerals: 1, base; 11, silo; 12, placement rack; 121, placement slot; 122, control slot; 123, sliding slot; 124, air flow channel; 125, fixed block; 126, slider; 13, mechanical arm; 14, mounting seat; 15, receiving plate; 151, slide slot; 152, guide slope; 16, pressing spring; 2, fixing mechanism; 20, third spring; 21, bidirectional screw; 211, first gear; 22, fixing plate; 23, first rack; 24, first spring; 25, iron block; 26, electromagnet; 2 7. Control block; 28. Second spring; 29. ​​Separation rod; 3. Locking mechanism; 31. Mounting block; 32. Locking spring; 33. Locking block; 331. Locking slope; 34. Fourth spring; 35. Abutment rod; 36. Airbag; 37. Extrusion plate; 4. Cover pressing mechanism; 41. Turning shaft; 411. Second gear; 42. Cover pressing plate; 43. First torsion spring; 44. Tooth plate; 45. Tooth; 46. Second torsion spring; 5. Limiting mechanism; 51. Limiting spring; 52. Limiting block; 53. L-shaped stop rod; 54. Pull rod; 55. Pull plate. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1 -Attached Fig.12 The present invention is described in further detail.

[0031] The embodiment of the present invention discloses an automatically controlled flexible workstation. Figures 1 to 6The automatically controlled flexible workstation includes a machine base 1, a material bin 11, a plurality of placement racks 12, a mechanical arm 13 and a mounting seat 14. The material bin 11 is fixedly connected to the top of the machine base 1. The plurality of placement racks 12 are arranged in the material bin 11 from top to bottom. The top of the placement rack 12 is provided with a plurality of placement slots 121. The mechanical arm 13 is fixedly connected to the top of the machine base 1. The mounting seat 14 is fixedly connected to the mechanical arm 13. A plurality of fixing mechanisms 2 for limiting the position of parts are installed on the placement rack 12. The plurality of fixing mechanisms 2 are respectively arranged corresponding to the placement slots 121. The fixing mechanisms 2 include a bidirectional screw 21 and two fixing plates 22. The bidirectional screw 21 is rotatably installed in the placement slots. On the inner wall of 121, two fixed plates 22 are slidably installed on the inner wall of the placement groove 121, two ends of the bidirectional screw 21 are respectively inserted into the fixed plates 22, and are threadedly connected to the fixed plates 22, a first rack 23 is slidably installed in the placement groove 121, a first gear 211 meshing with the first rack 23 is fixedly connected to the bidirectional screw 21, a first spring 24 is fixedly connected between the first rack 23 and the inner wall of the placement groove 121, an iron block 25 is fixedly connected to the first rack 23, an electromagnet 26 used in conjunction with the iron block 25 is fixedly connected in the placement groove 121, and a control component for energizing and de-energizing the electromagnet 26 is installed on the placement frame 12.

[0032] When the part is placed in the placement groove 121, the control component is started, the electromagnet 26 is energized, the electromagnet 26 attracts the iron block 25, the iron block 25 drives the first rack 23 to move, the first rack 23 drives the first gear 211 to rotate, the first gear 211 drives the bidirectional screw 21 to rotate, the bidirectional screw 21 drives the two fixed plates 22 to approach each other, clamping and fixing the part, during the movement of the placement rack 12, the part is prevented from shaking and falling out of the placement groove 121, solving the problem of low working efficiency of the equipment.

[0033] Reference Figures 4 to 7A battery electrically connected to the electromagnet 26 through a wire is fixedly connected to the placement rack 12, a control slot 122 is provided on the inner bottom surface of the placement slot 121, and the control component includes a control block 27, the control block 27 is slidably installed in the control slot 122, the control block 27 can contact the part, a second spring 28 is fixedly connected between the control block 27 and the inner bottom surface of the control slot 122, a first switch electrically connected to the electromagnet 26 through a wire is provided on the control block 27, a second switch electrically connected to the battery through a wire is provided on the inner wall of the control slot 122, the first switch is used in conjunction with the second switch, and a separation component for separating the second switch from the first switch is installed in the control slot 122; in the process of placing the part into the placement slot 121, the part presses the control block 27, compresses the second spring 28, and the control block 27 drives the first switch to move, when the first switch contacts the second switch, the battery energizes the electromagnet 26, and the part can be fixed, which is convenient for the staff to operate, and further solves the problem of low working efficiency of the equipment.

[0034] Reference Figures 2 to 7 The separation component includes a separation rod 29, which is penetrated on the side wall of the placement rack 12, and the separation rod 29 can contact the mounting seat 14. The separation rod 29 extends into the control groove 122, and the second switch is arranged on the separation rod 29. A third spring 20 is fixedly connected between the separation rod 29 and the inner wall of the control groove 122; when it is necessary to load the parts, the robotic arm 13 drives the mounting seat 14 to move, and the mounting seat 14 drives the manipulator to move. At the same time, the mounting seat 14 can push the separation rod 29 to move, compress the third spring 20, and the separation rod 29 drives the second switch to move, so that the second switch is separated from the first switch, and the electromagnet 26 is powered off. The first spring 24 drives the first rack 23 to move, so that the two fixed plates 22 are away from each other, and the limit on the parts is released, which is convenient for the manipulator to pick up the parts.

[0035] Reference Figures 4 to 9, locking mechanisms 3 are installed at both ends of the placement rack 12, and the locking mechanisms 3 include mounting blocks 31, which are arranged on the placement rack 12, and a locking mounting groove is provided on the side wall of the mounting block 31, and a locking spring 32 is fixedly connected to the inner wall of the locking mounting groove, and a locking block 33 is slidably installed in the locking mounting groove, and the locking spring 32 is fixedly connected to the locking block 33, and a locking insertion groove for inserting the locking block 33 is provided on the side wall of the silo 11, and a locking inclined surface 331 is provided on the end surface of the locking block 33 away from the locking spring 32, and the locking inclined surface 331 can contact the side of the silo 11, and a sliding groove 123 is provided on the end surface of the placement rack 12, and the mounting block 31 is slidably installed in the sliding groove 123, and the placement rack 12 is installed with A driving component for driving the mounting block 31 to move; when parts to be processed are placed in multiple placement grooves 121, the driving component drives the mounting block 31 to move, so that the locking block 33 extends out from the sliding groove 123, and then the placement rack 12 is placed in the silo 11. When the locking slope 331 contacts the side of the silo 11, the locking block 33 shrinks into the locking mounting groove and compresses the locking spring 32. When the locking block 33 is opposite to the locking plug-in groove, the locking spring 32 pushes the locking block 33 to be inserted into the locking plug-in groove. The locking block 33 locks the placement rack 12, completes the connection between the placement rack 12 and the silo 11, facilitates the operation of the staff, and further solves the problem of low working efficiency of the equipment.

[0036] Reference Figures 4 to 9 A fourth spring 34 is fixedly connected between the mounting block 31 and the inner wall of the sliding groove 123. An air flow channel 124 that passes through the sliding groove 123 is formed in the placement frame 12. The driving component includes an abutment rod 35, which is slidably placed in the air flow channel 124. The four side walls of the abutment rod 35 are all in contact with the inner wall of the air flow channel 124. The abutment rod 35 extends into the sliding groove 123 and contacts the mounting block 31. Multiple placement grooves 121 are fixedly connected with air bags 36, and multiple air bags 36 are connected to the air flow channel 124 through pipes. The first rack 23 is fixedly connected with an extrusion plate 37 , the extrusion plate 37 contacts the airbag 36; during the movement of the first rack 23, the first rack 23 drives the extrusion plate 37 to move, the extrusion plate 37 squeezes the airbag 36, and the gas in the airbag 36 enters the airflow channel 124 through the pipeline, and pushes the abutment rod 35 to move, and the abutment rod 35 pushes the mounting block 31 to move. When parts to be processed are placed in multiple placement grooves 121, multiple extrusion plates 37 squeeze the airbag 36, and the mounting block 31 drives the locking block 33 to extend from the sliding groove 123, so that the placement rack 12 can be easily connected to the silo 11.

[0037] Reference Figures 4 to 12A cover pressing mechanism 4 is installed on the placement rack 12, and the cover pressing mechanism 4 includes a flip shaft 41, which is rotatably installed on the placement rack 12, and a cover pressing plate 42 is fixedly connected to the flip shaft 41, and the cover pressing plate 42 can contact with multiple parts. A first torsion spring 43 is sleeved on the flip shaft 41, and one end of the first torsion spring 43 is fixedly connected to the placement rack 12, and the other end of the first torsion spring 43 is fixedly connected to the flip shaft 41. A tooth plate 44 is fixedly connected to the inner wall of the silo 11, and a plurality of teeth 45 are hingedly connected to the bottom of the tooth plate 44. The hinge shaft installed in the teeth 45 is located on the side of the teeth 45 away from the mounting seat 14, and a second torsion spring 46 is sleeved on the hinge shaft installed in the teeth 45. The flip shaft 41 is fixedly connected with a plurality of teeth 45 that can contact with multiple teeth. 45 meshes with the second gear 411; when the multiple placement grooves 121 are filled with parts to be processed, the first torsion spring 43 applies a force to the cover pressure plate 42, so that the cover pressure plate 42 covers and presses on the multiple parts, further limiting the parts to prevent the parts from shaking and falling out of the placement grooves 121. In the process of placing the placement rack 12 into the silo 11, the placement rack 12 drives the second gear 411 to move. When the second gear 411 meshes with the multiple teeth 45, the meshing of the multiple teeth 45 can drive the second gear 411 to rotate, and the second gear 411 drives the flip shaft 41 to rotate, and the flip shaft 41 drives the cover pressure plate 42 to rotate, thereby releasing the limit on the parts and facilitating the robot to pick up the parts.

[0038] Reference Figure 10 to Figure 11 , a fixing block 125 is fixedly connected to the placement rack 12, and a limiting mechanism 5 for positioning the cover pressure plate 42 is installed on the fixing block 125. A limiting installation groove is provided on the side wall of the fixing block 125, and the limiting mechanism 5 includes a limiting spring 51 fixedly connected to the inner wall of the limiting installation groove, and a limiting block 52 is slidably installed in the limiting installation groove. The limiting spring 51 is fixedly connected to the limiting block 52, and a limiting plug-in groove for inserting the limiting block 52 is provided on the side wall of the cover pressure plate 42. A transmission component is installed on the mounting block 31, and the mounting block 31 can drive the limiting block 52 to disengage from the limiting plug-in groove through the transmission component; when the cover pressure plate 42 is separated from the part, the limiting spring 51 pushes the limiting block 52 to be inserted into the limiting plug-in groove, and the limiting block 52 locks the cover pressure plate 42. When the part is placed again, there is no need to open the cover pressure plate 42 from the placement groove 121.

[0039] Reference Figures 5 to 11The transmission component includes an L-shaped stopper 53 fixedly connected to the mounting block 31, the L-shaped stopper 53 is passed through the outer side of the placement rack 12, and can slide on the placement rack 12, the end of the limit block 52 away from the cover pressure plate 42 is fixedly connected to a pull rod 54, the pull rod 54 extends to the outer side of the fixed block 125, the end of the pull rod 54 away from the limit block 52 is fixedly connected to a pull plate 55, and the L-shaped stopper 53 can contact the pull plate 55; when all the parts are taken out, the fourth spring 34 drives the mounting block 31 and the locking block 33 to retract into the sliding groove 123, the mounting block 31 drives the L-shaped stopper 53 to move, the L-shaped stopper 53 is separated from the pull plate 55, and the limit spring 51 can push the limit block 52 to move.

[0040] Reference Figures 3 to 5 , a receiving plate 15 is fixedly connected to the two opposite inner walls of the silo 11, and a slide groove 151 is opened on the top of the two receiving plates 15. The slide groove 151 is provided with an opening at the end away from the mechanical arm 13, and guide slopes 152 are formed on the two inner walls of the open end of the slide groove 151. The distance between the two guide slopes 152 close to the end of the mechanical arm 13 is smaller than the distance between the ends away from the mechanical arm 13. Both ends of the bottom of the placement rack 12 are fixedly connected with sliders 126 placed in the slide grooves 151; the two guide slopes 152 can guide the slider 126, so as to facilitate the connection between the placement rack 12 and the silo 11.

[0041] Reference Figures 3 to 5 A clamping spring 16 is fixedly connected to the inner wall of the slide groove 151 near one end of the mechanical arm 13, and the clamping spring 16 can abut against the slider 126; when the locking block 33 is disengaged from the locking slot, the clamping spring 16 pushes the placement rack 12 to move, making it easy to remove the placement rack 12.

[0042] The implementation principle of an automatically controlled flexible workstation in an embodiment of the present invention is as follows: when a part needs to be processed, the part is first placed in the placement groove 121, the part presses the control block 27, the control block 27 compresses the second spring 28, the control block 27 drives the first switch to move, when the first switch contacts the second switch, the battery energizes the electromagnet 26, the electromagnet 26 attracts the iron block 25, the iron block 25 drives the first rack 23 to move, the first rack 23 drives the bidirectional screw 21 to rotate, the bidirectional screw 21 drives the two fixing plates 22 to approach each other, clamps and fixes the part, and at the same time the first rack 23 drives the extrusion plate 37 to move, the extrusion plate 37 squeezes the airbag 36, and the airbag 36 is pressed. The gas in the bag 36 enters the air flow channel 124 through the pipe and pushes the abutment rod 35 to move, and the abutment rod 35 pushes the mounting block 31 to move. When parts to be processed are placed in multiple placement grooves 121, multiple extrusion plates 37 squeeze the air bag 36, and the mounting block 31 drives the locking block 33 to extend out of the sliding groove 123, and the mounting block 31 drives the L-shaped baffle rod 53 to move, and the L-shaped baffle rod 53 drives the pull plate 55 to move, and the pull plate 55 drives the pull rod 54 to move, and the pull rod 54 drives the limit block 52 to move, so that the limit block 52 is disengaged from the limit plug-in slot, and the first torsion spring 43 applies a force to the cover pressure plate 42, so that the cover pressure plate 42 covers and presses on the top of multiple parts to limit the parts.

[0043] The placement rack 12 is placed in the silo 11. When the locking bevel 331 contacts the side of the silo 11, the locking block 33 shrinks into the locking installation groove to compress the locking spring 32. When the locking block 33 is opposite to the locking insertion groove, the locking spring 32 pushes the locking block 33 to be inserted into the locking insertion groove. The locking block 33 locks the placement rack 12 to complete the connection between the placement rack 12 and the silo 11. At the same time, the placement rack 12 drives the second gear 411 to move. When the second gear 411 is engaged with the multiple teeth 45, the multiple teeth 45 can drive the second gear 411 to rotate, and the second gear 411 drives the flip The rotating shaft 41 rotates, and the flip shaft 41 drives the cover pressure plate 42 to rotate, thereby releasing the limit on the parts; when the parts need to be loaded, the robot arm 13 drives the mounting seat 14 to move, and the mounting seat 14 drives the robot to move. At the same time, the mounting seat 14 can push the separation rod 29 to move, compress the third spring 20, and the separation rod 29 drives the second switch to move, so that the second switch is separated from the first switch, and the electromagnet 26 is powered off. The first spring 24 drives the first rack 23 to move, so that the two fixed plates 22 are away from each other, releasing the limit on the parts, and facilitating the robot to pick up the parts.

[0044] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatically controlled flexible workstation, comprising a material bin (11), a plurality of placement racks (12), a robotic arm (13) and a mounting seat (14), wherein a plurality of placement slots (121) are provided on the top of the placement rack (12), characterized in that: The placement rack (12) is provided with a plurality of fixing mechanisms (2) for limiting the position of the parts. The fixing mechanisms (2) include a bidirectional screw (21) rotatably mounted on the inner wall of the placement slot (121) and two fixing plates (22) slidably mounted in the placement slot (121). The two ends of the bidirectional screw (21) are respectively inserted into the fixing plates (22) and are both threadedly connected to the fixing plates (22). A first rack (23) is slidably mounted in the placement slot (121). A first gear (211) meshing with a first rack (23) is fixedly connected to the screw rod (21); a first spring (24) is fixedly connected between the first rack (23) and the inner wall of the placement groove (121); an iron block (25) is fixedly connected to the first rack (23); an electromagnet (26) used in conjunction with the iron block (25) is fixedly connected in the placement groove (121); and a control component for energizing and de-energizing the electromagnet (26) is mounted on the placement frame (12).

2. The automatic controlled flexible workstation according to claim 1, characterized in that: A storage battery electrically connected to the electromagnet (26) via a wire is fixedly connected to the placement rack (12); a control slot (122) is provided on the inner bottom surface of the placement slot (121); the control component comprises a control block (27) slidably mounted in the control slot (122); the control block (27) is capable of contacting a part; a second spring (28) is fixedly connected between the control block (27) and the inner bottom surface of the control slot (122); a first switch electrically connected to the electromagnet (26) via a wire is provided on the control block (27); a second switch electrically connected to the storage battery via a wire is provided on the inner wall of the control slot (122); the first switch is used in conjunction with the second switch; and a separation component for separating the second switch from the first switch is installed in the control slot (122).

3. The automatic controlled flexible workstation according to claim 2, characterized in that: The mounting seat (14) is mounted on the mechanical arm (13); the separation component comprises a separation rod (29) penetrating the side wall of the placement frame (12); the separation rod (29) is capable of contacting the mounting seat (14); the separation rod (29) extends into the control slot (122); the second switch is arranged on the separation rod (29); and a third spring (20) is fixedly connected between the separation rod (29) and the inner wall of the control slot (122).

4. The automatic controlled flexible workstation according to claim 1, characterized in that: The placement rack (12) is provided with a locking mechanism (3), the locking mechanism (3) comprising a mounting block (31) arranged on the placement rack (12), a locking mounting groove being provided on the side wall of the mounting block (31), a locking spring (32) being fixedly connected to the inner wall of the locking mounting groove, a locking block (33) being slidably mounted in the locking mounting groove, the locking spring (32) being fixedly connected to the locking block (33), a locking insertion groove for inserting the locking block (33) being provided on the side wall of the silo (11), a locking inclined surface (331) being provided on the end surface of the locking block (33) away from the locking spring (32), the locking inclined surface (331) being capable of contacting the side edge of the silo (11), a sliding groove (123) being provided on the end surface of the placement rack (12), the mounting block (31) being slidably mounted in the sliding groove (123), and a driving component for driving the mounting block (31) to move being installed on the placement rack (12).

5. The automatic controlled flexible workstation according to claim 4, characterized in that: A fourth spring (34) is fixedly connected between the mounting block (31) and the inner wall of the sliding groove (123); an air flow channel (124) penetrating the sliding groove (123) is formed in the placement frame (12); the driving component comprises an abutment rod (35) slidably placed in the air flow channel (124); four side walls of the abutment rod (35) are in contact with the inner wall of the air flow channel (124); the abutment rod (35) extends into the sliding groove (123) and contacts the mounting block (31); air bags (36) are fixedly connected to the plurality of placement grooves (121); the plurality of air bags (36) are connected to the air flow channel (124) through a pipe; an extrusion plate (37) is fixedly connected to the first rack (23); the extrusion plate (37) contacts the air bags (36).

6. The automatic controlled flexible workstation according to claim 4, characterized in that: The placing rack (12) is provided with a covering mechanism (4), the covering mechanism (4) comprising a flip shaft (41) rotatably mounted on the placing rack (12), a covering plate (42) fixedly connected to the flip shaft (41), the covering plate (42) being capable of contacting a plurality of parts, a first torsion spring (43) sleeved on the flip shaft (41), one end of the first torsion spring (43) being fixedly connected to the placing rack (12), the other end of the first torsion spring (43) being fixedly connected to the flip shaft (41), a tooth plate (44) being fixedly connected to the inner wall of the silo (11), a plurality of teeth (45) being hingedly connected at the bottom of the tooth plate (44), a hinge shaft mounted in the teeth (45) being located on a side of the teeth (45) away from the mounting seat (14), a second torsion spring (46) sleeved on the hinge shaft mounted in the teeth (45), and a second gear (411) capable of meshing with the plurality of teeth (45) being fixedly connected to the flip shaft (41).

7. The automatic controlled flexible workstation according to claim 6, characterized in that: A fixed block (125) is fixedly connected to the placement frame (12), and a limiting mechanism (5) for positioning the cover plate (42) is installed on the fixed block (125). A limiting installation groove is provided on the side wall of the fixed block (125), and the limiting mechanism (5) comprises a limiting spring (51) fixedly connected to the inner wall of the limiting installation groove, and a limiting block (52) is slidably installed in the limiting installation groove, and the limiting spring (51) is fixedly connected to the limiting block (52). A limiting insertion groove for inserting the limiting block (52) is provided on the side wall of the cover plate (42), and a transmission component is installed on the mounting block (31), and the mounting block (31) can drive the limiting block (52) to disengage from the limiting insertion groove through the transmission component.

8. The automatic controlled flexible workstation according to claim 7, characterized in that: The transmission component comprises an L-shaped blocking rod (53) fixedly connected to the mounting block (31), the L-shaped blocking rod (53) being passed through the outside of the placement rack (12) and being able to slide on the placement rack (12), the end of the limit block (52) away from the cover plate (42) being fixedly connected to a pull rod (54), the pull rod (54) extending to the outside of the fixed block (125), the end of the pull rod (54) away from the limit block (52) being fixedly connected to a pull plate (55), and the L-shaped blocking rod (53) being able to contact the pull plate (55).

9. The automatic controlled flexible workstation according to claim 1, characterized in that: A receiving plate (15) is fixedly connected to two opposite inner walls of the silo (11), and a slide groove (151) is provided on the top of each of the two receiving plates (15). An opening is provided at one end of the slide groove (151) away from the mechanical arm (13). Guide slopes (152) are formed on the two inner walls of the opening end of the slide groove (151), and the spacing between the two guide slopes (152) at one end close to the mechanical arm (13) is smaller than the spacing between the two ends away from the mechanical arm (13). Both ends of the bottom of the placement rack (12) are fixedly connected to sliders (126) placed in the slide groove (151).

10. The automatic controlled flexible workstation according to claim 9, characterized in that: A clamping spring (16) is fixedly connected to the inner wall of the slide groove (151) close to one end of the mechanical arm (13), and the clamping spring (16) can be in contact with the sliding block (126).

Images