CN108406449B - Sanding production line - Google Patents
Sanding production line Download PDFInfo
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- CN108406449B CN108406449B CN201810336166.9A CN201810336166A CN108406449B CN 108406449 B CN108406449 B CN 108406449B CN 201810336166 A CN201810336166 A CN 201810336166A CN 108406449 B CN108406449 B CN 108406449B
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- sanding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention belongs to the technical field of sanding equipment, and particularly relates to a sanding production line which comprises a feeding station, a discharging station, a sand outer station, a turnover station, a sand inner station and a connecting rod manipulator.
Description
Technical Field
The invention belongs to the technical field of sanding equipment, and particularly relates to a sanding production line.
Background
The sander is used for grinding materials and objects which are uneven and uneven in thickness and do not meet the technological requirements, and the traditional sander enables the surface of a workpiece to be smoother and smoother in a physical removal mode of abrasive cloth, a grinding wheel, sand paper and the like, so that the technological requirements are met. In particular, in the manufacturing process of cookware, polishing treatment of the inner cavity and the outer surface of the cookware is usually included, but in the traditional production process, manual assistance is usually needed to realize transfer of workpieces among stations and turnover of the workpieces, and the production mode has low working efficiency and high manufacturing cost, is easy to cause personnel injury and other conditions, and has certain safety risks, so that development of an automatic cookware sanding production line is necessary.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a sanding production line with high automation degree.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a sanding production line, relates to the grinding treatment on pan surface, includes material loading station, unloading station, outer station of sand, upset station, in the sand station and connecting rod manipulator, the outer station of sand, upset station, in the sand station locate between material loading station and the unloading station, the upset station is located between outer station of sand and the interior station of sand, and it is used for the upset work piece to make the work piece opening orientation on outer station of sand and the interior station of sand opposite, connecting rod manipulator joint each station above-mentioned for transfer the work piece on the adjacent station.
Further, the material loading station includes first transfer chain, locates the second transfer chain in the outside of first transfer chain top, locates first positioning mechanism on the first transfer chain, locates the second positioning mechanism on the second transfer chain and is used for transferring the work piece on the first transfer chain to the loading attachment on the second transfer chain, first transfer chain is equipped with the feed end, the second transfer chain is equipped with the discharge end, second positioning mechanism locates the discharge end department of second transfer chain, and first transfer chain and second transfer chain are used for carrying the work piece to the direction of unloading station, and the work piece gets into first transfer chain by the feed end, shifts to the second transfer chain and carries its discharge end through the second transfer chain through loading attachment, shifts to the next station by the connecting rod manipulator again.
Further, the first positioning mechanism comprises a first guide rod, a second guide rod, a first positioning device and a blocking device which are respectively arranged on the first conveying line, the first guide rod is arranged on the lower side of the feeding device, a first feeding channel is formed in a space between the first guide rod and the side wall of the first conveying line, the first positioning device is arranged at the tail part of the first feeding channel, and the blocking device is arranged at the head part of the first feeding channel and can selectively extend into or withdraw from the first feeding channel to limit the number of workpieces entering the first feeding channel; the second guide rod is connected with the head end of the first guide rod at a preset angle, a second feeding channel with the width gradually reduced along the conveying direction of the workpiece is formed between the second guide rod and the side wall of the first conveying line, the second feeding channel is connected with the first feeding channel and the feeding end, and the workpiece enters the first feeding channel from the feeding end through the second feeding channel.
Further, loading attachment is including setting up feed mechanism and the grabbing portion in the upper side of second conveyer line, grabbing portion orientation second transfer chain, feed mechanism orders about grabbing portion and removes between first transfer chain and second transfer chain, grabbing portion snatchs or places the work piece selectively, realizes the transfer of work piece from first transfer chain to second transfer chain.
Further, the feeding mechanism comprises a traversing mechanism and a longitudinally moving mechanism, the grabbing part is arranged on the longitudinally moving mechanism, the traversing mechanism drives the longitudinally moving mechanism and the grabbing part to transversely move between the first conveying line and the second conveying line, and the longitudinally moving mechanism drives the grabbing part to longitudinally move towards the first conveying line.
Further, the traversing mechanism comprises the following three setting modes.
As a first setting mode of the transverse moving mechanism, the transverse moving mechanism comprises an air cylinder, and the longitudinal moving mechanism is connected with the output end of the air cylinder.
As a second setting mode of the transverse moving mechanism, the transverse moving mechanism is a screw rod sliding seat moving mechanism, a screw rod of the screw rod sliding seat moving mechanism is driven to rotate by a servo motor or a stepping motor, the longitudinal moving mechanism is arranged on a sliding seat of the transverse moving mechanism, and the sliding seat is controlled to move transversely by rotating the screw rod.
As a third setting mode of the transverse moving mechanism, the transverse moving mechanism is a synchronous belt conveying mechanism, and the longitudinal moving mechanism is arranged on a belt of the synchronous belt conveying mechanism.
Further, the longitudinal moving mechanism can be a screw rod sliding seat moving mechanism, a screw rod of the screw rod sliding seat moving mechanism is driven to rotate by a motor, the motor can be a servo motor or a stepping motor, the grabbing part is arranged on a sliding seat of the longitudinal moving mechanism, and the rotating screw rod controls the sliding seat to move up and down to realize longitudinal movement of the grabbing part; alternatively, the longitudinal moving mechanism comprises a cylinder, and the grabbing part is arranged on the output end of the cylinder.
Further, the sand outer station, the overturning station and the sand inner station are sequentially arranged between the feeding station and the discharging station.
Further, the outer sand station comprises a first sanding device and a workpiece rotating die frame, the workpiece rotating die frame is used for fixing a workpiece and driving the workpiece to rotate, the workpiece opening is downwards sleeved on the workpiece rotating die frame, and the first sanding device performs sanding treatment on the outer surface of the workpiece.
Further, the first sanding device comprises a first sanding feeding mechanism and a first sanding arm, the first sanding arm is vertically arranged, an abrasive belt is coated on the lower side of the first sanding arm, and the first sanding feeding mechanism drives the first sanding arm to feed towards the direction of the workpiece rotary die carrier so as to polish the outer surface of the workpiece.
Further, the in-sand station comprises a second sanding device and a second workpiece rotating die frame, the second workpiece rotating die frame is used for fixing a workpiece and driving the workpiece to rotate, an installation cavity with an upward opening and matched with the workpiece is arranged in the middle of the second workpiece rotating die frame, the workpiece opening is installed in the installation cavity upward, and the second sanding device performs sanding treatment on an inner cavity of the workpiece.
Further, the second sanding device comprises a second sanding feeding mechanism and a second sanding arm, the second sanding arm is vertically arranged, an abrasive belt is coated on the lower side of the second sanding arm, and the second sanding feeding mechanism drives the second sanding arm to feed towards the direction of the second workpiece rotating die carrier so as to polish the inner cavity of the workpiece.
Further, the turnover station comprises a turnover mechanism, the turnover mechanism comprises a clamp and a turnover driving device for driving the clamp to intermittently rotate, the clamp comprises a first claw, a second claw and a clamping driving device, and the clamping driving device drives the first claw and the second claw to be close to each other to clamp a workpiece or reversely far away from the workpiece to be loosened.
Further, the turnover station also comprises an ejection mechanism positioned at the lower side of the clamp, the ejection mechanism comprises a lifting base plate, and the base plate can selectively push the workpiece in the clamp upwards by a base plate driving mechanism so as to adjust the height of the workpiece.
Further, the turnover driving device comprises a rotary cylinder or a motor, and the clamp is connected with the output end of the turnover driving device.
Further, the connecting rod manipulator comprises a connecting rod, a connecting rod driving device for driving the connecting rod to transversely move, and four grippers arranged on the connecting rod at intervals, wherein each gripper comprises a gripper located above a workpiece and a gripper driving device for driving the gripper to lift.
Further, the gripper driving device comprises the following two setting modes, wherein the gripper driving device comprises an air cylinder as a first setting mode, and the gripper is connected with the output end of the air cylinder; as a second setting mode, the gripper driving device is a screw rod sliding seat lifting mechanism, a screw rod of the screw rod sliding seat lifting mechanism is driven to rotate by a servo motor or a stepping motor, the gripper is connected to a sliding seat of the gripper driving device, and the rotating screw rod controls the sliding seat to move up and down to realize lifting of the gripper.
Compared with the prior art, the sanding line provided by the invention has high automation degree, is beneficial to improving the production efficiency of cookware, can effectively reduce the probability of industrial injury accidents, and is safe and reliable in equipment.
Drawings
FIG. 1 is a perspective view of a sanding line
Fig. 2 is a schematic structural view 1 of a sanding line
FIG. 3 is a partial schematic view of a loading station
FIG. 4 is a perspective view of a link manipulator
FIG. 5 is a partial schematic view of a loading station
FIG. 6 is a partial schematic view of a flipping station
Fig. 7 is a schematic structural view 1 of a sanding mechanism
Fig. 8 is a schematic structural view of a sanding mechanism 2
Detailed Description
A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1 to 3, the present embodiment provides a sanding production line, which relates to grinding treatment of the inner surface and the outer surface of a pot, such as a steamer, an electric cooker liner and the like, and comprises a feeding station 1, a discharging station 5, a sand outer station 2, a turning station 3, a sand inner station 4 and a connecting rod manipulator 6, wherein the sand outer station 2, the turning station 3 and the sand inner station 4 are sequentially arranged between the feeding station 1 and the discharging station 5 in a linear distribution manner, the turning station 3 is used for turning over workpieces to enable workpiece openings on the sand outer station 2 and the sand inner station 4 to face opposite, specifically, the workpiece on the sand outer station 2 is opened downwards, the workpiece on the sand inner station 4 is opened upwards, and the connecting rod manipulator 6 is connected with the above stations and is used for transferring the workpieces on adjacent stations.
Referring to fig. 1 to 4, the link manipulator 6 includes a link 61, a link driving device 62 for driving the link 61 to move between the above stations, and four grippers including a first gripper 63, a second gripper 64, a third gripper 65 and a fourth gripper 66 which are disposed on the link 61 at intervals, each of the grippers includes a gripper 601 located above a workpiece and a gripper driving device 602 for driving the gripper 601 to move up and down relative to the workpiece, and the gripper 601 is preferably a suction cup which sucks the workpiece by a negative pressure generated by a negative pressure generating device to achieve a gripping effect of the workpiece. The link driving device 62 drives each gripper to switch forward and backward between each station through the link 61, specifically drives the first gripper 63 to switch intermittently between the feeding station 1 and the sand outer station 2, drives the second gripper 64 to switch intermittently between the sand outer station 2 and the turning station 3, drives the third gripper 65 to switch intermittently between the turning station 3 and the sand inner station 4, drives the fourth gripper 66 to switch intermittently between the sand inner station 4 and the discharging station 5, defines the contact surface of the workpiece and the gripper 601 as the gripping surface in a specific embodiment, defines the gripping surface after the workpiece is turned over and the gripping surface before the workpiece is turned over, specifically, the gripping surface of the workpiece positioned at the sand outer station 2 is higher than the gripping surface of the workpiece positioned at the sand inner station 4, and in order to compensate the height difference, the grippers 601 of the third gripper 65 and the fourth gripper 66 are respectively provided with a height compensation piece 601', so that the defect that the gripping effect is influenced due to the height difference before and after the turning over is overcome, the workpiece is transferred smoothly, the gripping surface is ensured to be aligned with the adjacent grippers 6, and the distance between the adjacent grippers 6 is ensured to be aligned with each other, so that the gripping surfaces are aligned with each other.
Referring to fig. 2 and fig. 4, the link driving device 62 is preferably a synchronous belt transmission mechanism, the gripper driving device 602 is arranged in two modes, the first mode is a pneumatic driving mode, and the first mode comprises a cylinder, the gripper 601 is connected with the output end of the cylinder, specifically, when the piston rod of the cylinder is ejected out, the gripper 601 is lifted, and when the piston rod of the cylinder is recovered, the gripper 601 is lowered, so that the gripper 601 is driven to be selectively lifted or lowered, and the transfer of the workpiece is realized. The second setting mode is to adopt a screw rod sliding seat lifting mechanism as a driving device, wherein a screw rod is driven to rotate by a servo motor or a stepping motor, the paw is connected with a sliding seat of a gripper driving device, and the rotating screw rod controls the sliding seat to move up and down so as to realize lifting of the paw. In a specific embodiment, when the weight of the workpiece to be processed is heavy, such as a liner of an electric rice cooker, a second mode of setting the gripper driving device is adopted, and when the weight of the workpiece to be processed is light, such as a steamer, a first mode of setting the gripper driving device 602 is adopted, and the selection conditions of the gripper driving device 602 include but are not limited to the following. In a specific embodiment, each time the connecting rod manipulator 6 completes one transfer of the workpiece, the connecting rod driving device 62 drives the connecting rod 61 to reversely move by a preset distance, so that the first gripper 63 is driven to be positioned between the feeding station 1 and the sand outer station 2, the second gripper 64 is driven to be positioned between the sand outer station 2 and the overturning station 3, the third gripper 65 is driven to be positioned between the overturning station 3 and the sand inner station 4, and the fourth gripper 66 is driven to be positioned between the sand inner station 4 and the discharging station 5, and therefore normal operation of the sand outer station 2, the overturning station 3 and the sand inner station 4 is prevented from being influenced by interference of the manipulator.
Referring to fig. 1 to 3 and 5, the feeding station 1 includes a first conveying line 11, a second conveying line 12 disposed above and outside the first conveying line 11, a first positioning mechanism 13 disposed on the first conveying line 11, a second positioning mechanism 14 disposed on the second conveying line 12, and a feeding device 15 for transferring the workpiece on the first conveying line 11 to the second conveying line 12, the first conveying line 11 is provided with a feeding end 11a, the second conveying line 12 is provided with a discharging end 12a, the second positioning mechanism 14 is disposed at the discharging end 12a of the second conveying line 12, the first conveying line 11 and the second conveying line 12 are used for conveying the workpiece in the direction of the feeding station 5, the workpiece enters the first conveying line 11 from the feeding end 11a, is transferred to the second conveying line 12 through the feeding device 15 and is transferred to the discharging end 12a thereof through the second conveying line 12, and is transferred to the outer station 2 by the first gripper 63 of the link manipulator 6 after being positioned by the second positioning mechanism 14.
Referring to fig. 2 to 5, the first positioning mechanism 13 includes a first guide rod 131, a second guide rod 132, a first positioning device 133 and a blocking device 134 respectively disposed on the first conveying line 11, the first guide rod 131 is disposed on the lower side of the feeding device 15, a space between the first guide rod 131 and the sidewall of the first conveying line 11 forms a first feeding channel 13a located below the feeding device 15, the first positioning device 133 is disposed at the end of the first feeding channel 13a, the blocking device 134 is disposed at the head of the first feeding channel 13a, and can selectively extend into or withdraw from the first feeding channel 13a to limit the number of workpieces entering the first feeding channel 13a, preferably, the blocking device 134 includes a cylinder, the piston rod of which blocks the workpieces from entering the first feeding channel 13a when being ejected, and allows the workpieces to enter the first feeding channel 13a when being retracted. The second guide rod 132 is connected to the head end of the first guide rod 131 at a preset angle, a second feeding channel 13b with a width gradually reduced along the workpiece conveying direction is formed between the second guide rod 132 and the side wall of the first conveying line 11, the second feeding channel 13b is connected to the first feeding channel 13a and the feeding end 11a, a workpiece enters the first feeding channel 13a from the feeding end 11a through the second feeding channel 13b, the inclined arrangement of the second feeding channel 13b is beneficial to controlling the number of workpieces entering the first feeding channel 13a, the number of workpieces gradually decreases along with the conveying process, and the blocking effect of the blocking device 134 is combined to effectively control the number of workpieces entering the first feeding channel 13a. In a specific embodiment, the second positioning mechanism 14 includes a second positioning device 141, the first positioning device 133 is provided with a first clamping groove 101 corresponding to the workpiece, the second positioning device 141 is provided with a second clamping groove 101' corresponding to the workpiece, preferably, the first positioning device 133 is connected with a first cylinder 133', the second positioning device 141 is connected with a second cylinder 141', specifically, when the workpiece is transported on the first conveying line 11 and reaches a preset position, the first cylinder 133' controls the first positioning device 133 to extend to limit the position of the workpiece, then the feeding device 15 grabs the workpiece, and after the first cylinder 133' controls the first positioning device 133 to retract and reset, the feeding device 15 starts to transfer the workpiece to the second conveying line 12; when the workpiece is transferred to the second conveyor line 12 and transported to the preset position of the second conveyor line 12, the second air cylinder 141 'controls the second positioning device 141 to extend to define the position of the workpiece, then the second conveyor line 12 stops the transportation, the second air cylinder 141' controls the second positioning device 141 to retract and reset, and then the first gripper 63 transfers the workpiece from the second conveyor line 12 to the out-of-sand station 2.
Referring to fig. 4 and 5, the feeding device 15 includes a feeding mechanism and a gripping portion 153 disposed on the second conveying line 12, the gripping portion 153 faces the second conveying line 12, the feeding mechanism drives the gripping portion 153 to move between the first conveying line 11 and the second conveying line 12, the gripping portion 153 selectively grips or places a workpiece, so as to transfer the workpiece from the first conveying line 11 to the second conveying line 12, preferably, the gripping portion 153 is a suction cup, and the gripping effect of the workpiece is realized by adsorbing the workpiece by negative pressure generated by the negative pressure generating device.
Referring to fig. 5, the feeding mechanism includes a traversing mechanism 151 and a longitudinally moving mechanism 152, the gripping portion 153 is mounted on the longitudinally moving mechanism 152, the traversing mechanism 151 drives the longitudinally moving mechanism 152 and the gripping portion 153 to move laterally between the first conveying line 11 and the second conveying line 12, and the longitudinally moving mechanism 152 drives the gripping portion 153 to move longitudinally in the direction of the first conveying line 11. In a specific embodiment, the traversing mechanism 151 includes three setting manners, and as a first setting manner, the traversing mechanism 151 includes a third cylinder 1511, the longitudinal moving mechanism 152 is connected to an output end of the third cylinder 1511, and the third cylinder 1511 controls the longitudinal moving mechanism 152 to move transversely together with the gripping portion 153 relative to the first feeding channel 13 a; as a second setting mode, the traversing mechanism is a screw rod sliding seat moving mechanism, a screw rod of the screw rod sliding seat moving mechanism is driven to rotate by a servo motor or a stepping motor, the longitudinal moving mechanism is arranged on a sliding seat of the traversing mechanism, and the rotating screw rod controls the sliding seat to transversely move relative to the first feeding channel; as a third setting mode, the transverse moving mechanism is a synchronous belt conveying mechanism, the longitudinal moving mechanism is arranged on a belt of the synchronous belt conveying mechanism, and the longitudinal moving mechanism and the grabbing part are driven to transversely reciprocate relative to the first feeding channel by controlling forward and reverse movement of the belt. The vertical movement mechanism 152 includes two setting manners, and as a first setting manner, the vertical movement mechanism is a screw rod slide seat moving mechanism, a screw rod of the screw rod slide seat moving mechanism is driven to rotate by a servo motor or a stepping motor, the grabbing part is arranged on a slide seat of the vertical movement mechanism, and the rotating screw rod controls the slide seat to move up and down so as to realize that the grabbing part longitudinally moves relative to the first feeding channel; as a second arrangement, the vertical moving mechanism 152 includes a fourth cylinder 1521, and the gripping portion 153 is mounted on an output end of the fourth cylinder 1521, where the fourth cylinder 1521 controls the gripping portion 153 to move vertically relative to the first feeding path 13a. In a specific embodiment, when the weight of the workpiece is heavy, such as a liner of an electric rice cooker, etc., the traversing mechanism 151 and the longitudinal moving mechanism 152 may use a screw slide mechanism as a driving device, and when the weight of the workpiece is light, such as a steamer, etc., the traversing mechanism 151 and the longitudinal moving mechanism 152 may use an air cylinder as a driving device, and the selection cases of the traversing mechanism 151 and the longitudinal moving mechanism 152 include but are not limited to this.
Referring to fig. 1 and 2, the outer sand station 2 includes a first sanding device 21 and a first workpiece rotating mold frame 22, the first workpiece rotating mold frame 22 is adapted to the inner cavity of the workpiece, and is used for fixing the workpiece and driving the workpiece to rotate, the workpiece is sleeved on the first workpiece rotating mold frame 22 with a downward opening, and the first sanding device 21 performs sanding treatment on the outer surface of the workpiece. The in-sand station 4 comprises a second sanding device 41 and a second workpiece rotating die frame 42, the second workpiece rotating die frame 42 is used for fixing a workpiece and driving the workpiece to rotate, an installation cavity 421 with an upward opening and matched with the workpiece is arranged in the middle of the second workpiece rotating die frame 42, the workpiece is installed in the installation cavity 421 with the upward opening, and the second sanding device 41 performs sanding treatment on the inner cavity of the workpiece. The first workpiece rotating die frame 22 and the second workpiece rotating die frame 42 are respectively provided with a negative pressure adsorption channel communicated with a negative pressure generating device, the negative pressure adsorption channels adsorb the workpiece on the workpiece rotating die frame through the negative pressure generated by the negative pressure generating device, and the workpiece rotating die frames are respectively connected with a driving motor so as to drive the workpiece to rotate.
Referring to fig. 1 and 2, in a specific embodiment, the first sanding device 21 and the second sanding device 41 adopt the same structure, specifically, the first sanding device 21 and the second sanding device 41 each include a sanding feeding mechanism and a sanding mechanism s33a, the sanding feeding mechanism includes a transverse feeding mechanism s33b and a longitudinal feeding mechanism s33c, the transverse feeding mechanism s33b and the longitudinal feeding mechanism s33c are screw slide feeding mechanisms, the sanding mechanism s33a is arranged on a slide of the longitudinal feeding mechanism s33c, the longitudinal feeding mechanism s33c is arranged on a slide of the transverse feeding mechanism s33b, the transverse feeding mechanism s33b and the longitudinal feeding mechanism s33c are respectively provided with a motor for driving respective screw rods to rotate, the transverse feeding mechanism s33b drives the sanding mechanism s33a and the longitudinal feeding mechanism s33c to transversely feed in the direction of the corresponding workpiece rotating die carrier, and the longitudinal feeding mechanism s33c drives the sanding mechanism s33a to longitudinally rotate the workpiece die carrier in the direction of the workpiece rotating die carrier.
Referring to fig. 7 and 8, the sanding mechanism s33a includes a mounting frame s331 connected with a slide of the longitudinal feeding mechanism s33c, and a discharging disc s332, a receiving disc s333, a servo motor, a sanding arm s335, a guiding mechanism s336 and an abrasive belt s337 respectively arranged on the mounting frame s331, the sanding arm s335 is vertically arranged and extends out of the lower side of the mounting frame s331, the discharging disc s332 and the receiving disc s333 are respectively used for discharging and receiving the abrasive belt s337, the output end of the servo motor is connected with the receiving disc s333, the guiding mechanism s336 includes a plurality of guide posts s336a arranged on the mounting frame s331, the guide posts s336a are respectively arranged between the discharging disc s332 and the receiving disc s335, and between the receiving disc s333 and the sanding arm s335, the sanding head s335a of the sanding arm s335 faces the top of a corresponding workpiece rotation, one end of the abrasive belt s is wound on the discharging disc s332, the other end of the sanding arm s335 bypasses the corresponding arm s337, the other end of the sanding arm s335 can be wound on the outer side of the corresponding abrasive belt s337, the abrasive belt s337 can be wound on the outer side of the corresponding arm s335, the guide posts s335a can be wound on the outer side of the workpiece s337, the abrasive belt s is wound on the guide posts s335a is wound on the side of the corresponding arm s, the guide posts s337 a is wound on the surface of the abrasive belt s, the abrasive belt s is coated on the surface of the workpiece is coated on the surface of the abrasive belt s337 a, the abrasive belt s is coated on the surface of the workpiece, and the abrasive belt s335a is coated on the surface of the abrasive table, and the abrasive table is coated on the abrasive surface of the abrasive table is facing the abrasive surface, the abrasive table is facing the surface, the surface has.
Referring to fig. 7 and 8, a first feeding mechanism s338 is disposed between the sanding arm s335 and the discharging disc s332, the first feeding mechanism s338 includes a first clamping assembly s338a and a first feeding assembly s338b, the first clamping assembly s338a is used for clamping or loosening the sanding belt s337 near one side of the discharging disc s332, the first feeding assembly s338b includes a first feeding power device s3381 mounted on the mounting frame s331, the first clamping assembly s338a includes a first connecting seat s3382, a first clamping power device s3383, a first movable clamping portion s3384 and a first fixed clamping portion s3385, the first clamping power device s3383 and the first fixed clamping portion s3385 are respectively mounted on the first connecting seat s3382, the first feeding power device s3381 and the first clamping power device s3383 are preferably cylinders, the first feeding power device s3381 includes a first feeding power device s3381a, the first clamping power device s3383 includes a piston rod 3381a, the first feeding piston rod s3381a of the first feeding power device s3381 is connected with the first connecting seat s3382, the first clamping piston rod s3383a of the first clamping power device s3383 is connected with the first movable clamping part s3384, the abrasive belt s337 is arranged between the first movable clamping part s3384 and the first fixed clamping part s3385, the first clamping power device s3383 drives the first movable clamping part s3384 to be close to the first fixed clamping part s3385 so as to clamp the abrasive belt s337, or is far away from the first fixed clamping part s3385 so as to loosen the abrasive belt s337, the first clamping assembly s338a can pull the abrasive belt s337 to the direction of the abrasive belt s337 away from the discharge disc s332 under the driving of the first feeding power device s3381, and can move to the direction of the abrasive belt s337 to be close to the discharge disc s332 under the driving of the first feeding power device s3381 after the first clamping assembly s338a loosens 337 to reset, the resetting of the first clamping assembly s338a is defined as the first feeding assembly s338b urging the first clamping assembly s338a back to the position before pulling the abrasive belt s 337.
Referring to fig. 7 and 8, a second feeding mechanism s339 is disposed between the sanding arm s335 and the receiving tray s333, the second feeding mechanism s339 includes a second clamping assembly s339a and a second feeding assembly s339b, the second clamping assembly s339a is used for clamping or loosening the sanding belt s337 on one side of the receiving tray s333, the second feeding assembly s339b includes a second feeding power device s3391 installed on the mounting frame s331, the second clamping assembly s339a includes a second connecting seat s3392, a second clamping power device s3393, a second movable clamping portion s3394 and a second fixed clamping portion s3395, the second clamping power device s3393 and the second fixed clamping portion s3395 are respectively installed on the second connecting seat s3392, the second feeding power device s3391 and the second clamping power device s3393 are preferably cylinders, the second feeding power device s3391 includes a second piston rod s3391a, the second clamping power device s3393a includes a piston rod s3395, the second feeding piston rod s3391a of the second feeding power device s3391 is connected with the second connecting seat s3392, the second clamping piston rod s3393a of the second clamping power device s3393 is connected with the second movable clamping part s3394, the abrasive belt s337 is arranged between the second movable clamping part s3394 and the second fixed clamping part s3395, the second clamping power device s3393 drives the second movable clamping part s3394 to be close to the second fixed clamping part s3395 so as to clamp the abrasive belt s337, or is far from the second fixed clamping part s3395 so as to loosen the abrasive belt s337, the second clamping assembly s339a can pull the abrasive belt s337 towards the direction of the abrasive belt s337 to be close to the receiving disc s333 under the driving of the second feeding power device s3391, and can move towards the direction of the abrasive belt s337 to be far from the receiving disc s333 under the driving of the second feeding power device s3391 after the second clamping assembly s339a loosens 337, the resetting of the second clamping assembly s339a described above is defined as the second feeding assembly s339b urging the second clamping assembly s339a back to the position before the abrasive belt s337 is pulled.
Referring to fig. 7 and 8, as a preferable solution, the first movable clamping portion s3384 and the second movable clamping portion s3394 are clamping blocks, the first fixed clamping portion s3385 and the second fixed clamping portion s3395 are rollers, a first concave portion s3384a adapted to the first fixed clamping portion s3385 is provided on one side of the first movable clamping portion s3384 near the first fixed clamping portion s3385, and the first movable clamping portion s3384 moves along with the extension of the first clamping piston rod s3383a of the first clamping power device s3383, so that the first concave portion s3384a and the first fixed clamping portion s3385 can be detachably matched; the second movable clamping part s3394 is provided with a second concave part s3394a matched with the second fixed clamping part s3395 on one side close to the second fixed clamping part s3395, the second movable clamping part s3394 moves along with the extension of a second clamping piston rod s3393a of the second clamping power device s3393 so that the second concave part s3394a is detachably matched with the second fixed clamping part s3395, and the first movable clamping part s3384 is tightly matched with the first fixed clamping part s3385 and the second movable clamping part s3394 and the second fixed clamping part s3395 in a manner of being compact, so that the abrasive belt s337 can be effectively clamped, slip is prevented, and in addition, a component force for pulling the abrasive belt s337 can be generated when the second movable clamping part s3394 is matched with the second fixed clamping part s3395, so that the abrasive belt s337 is pulled.
The sanding mechanism s33a provided by the embodiment is provided with a first feeding mechanism s338 and a second feeding mechanism s339, wherein the first feeding mechanism s338 comprises a first clamping component s338a and a first feeding component s338b, and the second feeding mechanism s339 comprises a second clamping component s339a and a second feeding component s339b; one end of the abrasive belt s337 is wound on the discharging disc s332, the other end of the abrasive belt s337 is wound on the receiving disc s333 after bypassing the sanding arm s335, the first feeding mechanism s338 is arranged between the discharging disc s332 and the sanding arm s335, the second feeding mechanism s339 is arranged between the receiving disc s333 and the sanding arm s335, the receiving disc s333 is connected with a servo motor, and the servo motor is used for driving the receiving disc s333 to rotate so as to tighten the abrasive belt s337; the first clamping assembly s338a, the first feeding assembly s338b, the second clamping assembly s339a and the second feeding assembly s339b are respectively driven pneumatically. As a control mode, after the system sends a signal for updating the abrasive belt s337, the first clamping assembly s338a clamps the abrasive belt s337, and the inductive switch corresponding to the first clamping assembly s338a sends a signal so as to control the cylinder of the first feeding assembly s338b to work, and the first feeding assembly s338b drives the first clamping assembly s338a to pull the abrasive belt s337 out of the discharging disc s 332; after the above action is completed, the corresponding inductive switch of the first feeding component s338b sends out a signal to control the cylinder of the second clamping component s339a to work, the second clamping component s339a clamps the abrasive belt s337, after the above action is completed, the corresponding inductive switch of the second clamping component s339a sends out a signal to control the cylinder of the second feeding component s339b to work, the second feeding component s339b drives the second clamping component s339a to pull the abrasive belt s337 towards the direction of the receiving disc s333, after the above action is completed, the corresponding inductive switch of the second feeding component s339b sends out a signal to control the servo motor to rotate to tighten the abrasive belt s337, redundant abrasive belt s337 is received in the receiving disc s333, one-time replacement of the abrasive belt s337 is completed, after the abrasive belt s337 is replaced, the first clamping component s338a and/or the second clamping component s339a clamps the abrasive belt s337, thereby fixing the current position of the abrasive belt s337, preventing the shaking phenomenon during polishing, as a preferable mode, in order to ensure the tensioning degree of the abrasive belt s337, the first feeding mechanism s337 is reset to the tensioning degree of the abrasive belt s337, and the distance of the first feeding mechanism s337 is reset to the preset in order to increase the polishing degree of the abrasive belt s 337. The arrangement mode of the first feeding mechanism s338 and the second feeding mechanism s339 can replace a servo motor to finish a part of replacement work of the abrasive belt s337, so that the load of the servo motor is reduced, the service life of the servo motor is prolonged, and the mode of replacing the abrasive belt s337 by the structure is convenient and quick, and is convenient for a user to use.
Referring to fig. 1, 2 and 6, the turning station 3 includes a turning mechanism 31 and a pushing mechanism 32, the turning mechanism 31 includes a clamp 311 and a turning driving device 312 for driving the clamp 311 to intermittently rotate, the clamp 311 includes a first jaw 3111, a second jaw 3112 and a clamping driving device, the clamping driving device drives the first jaw 3111 and the second jaw 3112 to approach each other to clamp a workpiece or reversely separate from the workpiece, the pushing mechanism 32 is disposed on the lower side of the clamp 311, and includes a liftable substrate 321, and the substrate 321 is selectively pushed upwards by the substrate driving mechanism to adjust the height of the workpiece, where the substrate driving mechanism may be an existing pneumatic driving device, a hydraulic driving device or a screw slide driving device. The height of the workpiece at the clamping position of the clamp 311 is defined as the clamping height, and when the clamp 311 clamps the workpiece, the workpiece cannot be clamped by the gripper due to the fact that deviation of the clamping height is unavoidable due to errors and the like, so that in order to solve the above problem, the gripper 601 of the third gripper 65 is ensured to smoothly clamp the workpiece in the clamp 311, in a specific embodiment, before the third gripper 65 clamps the workpiece in the clamp 311, the pushing mechanism 32 controls the substrate 321 to push the workpiece upwards to a preset height, thereby adjusting the height difference between the workpiece and the third gripper 65 and ensuring that the third gripper 65 can smoothly clamp the workpiece. Preferably, the turnover driving device 312 includes a rotary cylinder or a motor, and the clamp 311 is connected to an output end of the turnover driving device 312, in a specific embodiment, when the weight of the workpiece is relatively heavy, such as an inner container of an electric rice cooker, the turnover driving device 312 employs a motor, and when the weight of the workpiece is relatively light, the turnover driving device 312 employs a rotary cylinder, such as a steamer, and the selection cases of the turnover driving device 312 include, but are not limited to.
As an improved solution, in order to facilitate adjusting the clamping height of the clamp 311, the turnover mechanism 31 is provided with a height adjusting mechanism 33, the height adjusting mechanism 33 is preferably a screw slide mechanism, the turnover mechanism 31 is mounted on the slide 331 of the height adjusting mechanism 33, and the screw 332 is rotated to adjust the height of the slide 331, so as to adjust the height of the turnover mechanism 31, so as to adapt to the heights of different workpieces and fine adjust the condition of deviation of the clamping height, thereby improving the practicability and accuracy of the turnover mechanism.
As an improved scheme, the feeding station 1, the sand outer station 2, the overturning station 3, the sand inner station 4 and the connecting rod manipulator 6 can be symmetrically provided with two groups, wherein the first conveying lines of the two groups of feeding stations 1 can adopt the same conveying belt, and the arrangement mode can effectively improve the production efficiency of the cookware.
The working principle of the invention is as follows: during operation, the connecting rod manipulator 6 moves towards the positive direction, the fourth gripper 66 is driven to transfer the workpiece which is processed on the sand inner station 4 to the blanking station 5, meanwhile, the third gripper 65 is driven to transfer the workpiece which is turned over on the turning station 3 to the second workpiece rotating die frame 42 on the sand inner station 4, meanwhile, the second gripper 64 is driven to transfer the workpiece which is processed on the sand outer station 2 to the turning station 3, meanwhile, the first gripper 63 is driven to transfer the workpiece which is processed on the feeding station 1 to the sand outer station 2, then, the connecting rod manipulator 6 moves towards the negative direction, the first gripper 63 is driven to be positioned between the feeding station 1 and the sand outer station 2, the second gripper 64 is driven to be positioned between the sand outer station 2 and the turning station 3, the third gripper 65 is positioned between the turning station 3 and the sand inner station 4, and the fourth gripper 66 is positioned between the sand inner station 4 and the blanking station 5, interference phenomenon is prevented from occurring during processing, the outer surface and the inner cavity of the workpiece are respectively transferred by the sand outer station 2 and the sand inner station 4, and the connecting rod manipulator is driven to move towards the positive direction again after the connecting rod manipulator is reset. Compared with the prior art, the sanding line provided by the invention has high automation degree, is beneficial to improving the production efficiency of cookware, can effectively reduce the probability of industrial injury accidents, and is safe and reliable in equipment.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (6)
1. The utility model provides a sanding production line, relates to the grinding treatment on pan surface, its characterized in that: the device comprises a feeding station, a discharging station, a sand outer station, a turnover station, a sand inner station and a connecting rod manipulator, wherein the sand outer station, the turnover station and the sand inner station are arranged between the feeding station and the discharging station, the turnover station is arranged between the sand outer station and the sand inner station and is used for turning over workpieces to enable workpiece openings on the sand outer station and the sand inner station to face opposite directions, and the connecting rod manipulator is connected with the stations and is used for transferring workpieces on adjacent stations;
the feeding station comprises a first conveying line, a second conveying line arranged on the outer side of the upper part of the first conveying line, a first positioning mechanism arranged on the first conveying line, a second positioning mechanism arranged on the second conveying line and a feeding device used for transferring workpieces on the first conveying line to the second conveying line, wherein the first conveying line is provided with a feeding end, the second conveying line is provided with a discharging end, the second positioning mechanism is arranged at the discharging end of the second conveying line, the first conveying line and the second conveying line are used for conveying the workpieces to the direction of the discharging station, the workpieces enter the first conveying line from the feeding end, are transferred to the second conveying line through the feeding device and are conveyed to the discharging end of the second conveying line through the second conveying line, and are transferred to the next station through a connecting rod manipulator;
the first positioning mechanism comprises a first guide rod, a second guide rod, a first positioning device and a blocking device which are respectively arranged on the first conveying line, the first guide rod is arranged on the lower side of the feeding device, a first feeding channel is formed in a space between the first guide rod and the side wall of the first conveying line, the first positioning device is arranged at the tail part of the first feeding channel, and the blocking device is arranged at the head part of the first feeding channel and can selectively extend into or withdraw from the first feeding channel to limit the number of workpieces entering the first feeding channel;
the second guide rod is connected with the head end of the first guide rod at a preset angle, a second feeding channel with the width gradually reduced along the workpiece conveying direction is formed between the second guide rod and the side wall of the first conveying line, the second feeding channel is connected with the first feeding channel and the feeding end, and a workpiece enters the first feeding channel from the feeding end through the second feeding channel;
the feeding device comprises a feeding mechanism and a grabbing part, the feeding mechanism and the grabbing part are arranged on the upper side of the second conveying line, the grabbing part faces the second conveying line, the feeding mechanism drives the grabbing part to move between the first conveying line and the second conveying line, and the grabbing part selectively grabs or places a workpiece to realize the transfer of the workpiece from the first conveying line to the second conveying line;
the feeding mechanism comprises a transverse moving mechanism and a longitudinal moving mechanism, the grabbing part is arranged on the longitudinal moving mechanism, the transverse moving mechanism drives the longitudinal moving mechanism and the grabbing part to transversely move between the first conveying line and the second conveying line, and the longitudinal moving mechanism drives the grabbing part to longitudinally move towards the direction of the first conveying line;
the connecting rod manipulator comprises a connecting rod, a connecting rod driving device for driving the connecting rod to transversely move, and four grippers arranged on the connecting rod at intervals, wherein each gripper comprises a gripper positioned above a workpiece and a gripper driving device for driving the gripper to lift;
the gripper driving device comprises an air cylinder, the gripper is connected with the output end of the air cylinder, or the gripper driving device is a screw rod sliding seat lifting mechanism, a screw rod of the screw rod sliding seat lifting mechanism is driven to rotate by a servo motor or a stepping motor, the gripper is connected with a sliding seat of the gripper driving device, and the rotating screw rod controls the sliding seat to move up and down to achieve lifting of the gripper.
2. A sanding line as defined in claim 1, wherein: the transverse moving mechanism comprises an air cylinder, and the longitudinal moving mechanism is connected with the output end of the air cylinder; or the transverse moving mechanism is a screw rod sliding seat moving mechanism, the screw rod of the transverse moving mechanism is driven to rotate by a motor, the longitudinal moving mechanism is arranged on a sliding seat of the transverse moving mechanism, and the sliding seat is controlled to move transversely by rotating the screw rod; or the transverse moving mechanism is a synchronous belt conveying mechanism, and the longitudinal moving mechanism is arranged on a belt of the synchronous belt conveying mechanism;
the vertical moving mechanism is a screw rod sliding seat moving mechanism, a screw rod of the vertical moving mechanism is driven to rotate by a motor, the grabbing part is arranged on a sliding seat of the vertical moving mechanism, and the rotating screw rod controls the sliding seat to move up and down so as to realize the vertical movement of the grabbing part; alternatively, the longitudinal moving mechanism comprises a cylinder, and the grabbing part is arranged on the output end of the cylinder.
3. A sanding line as defined in claim 1, wherein: the outer sand station comprises a first sanding device and a workpiece rotating die frame, the workpiece rotating die frame is used for fixing a workpiece and driving the workpiece to rotate, the workpiece opening is downwards sleeved on the workpiece rotating die frame, and the first sanding device performs sanding treatment on the outer surface of the workpiece;
the first sanding device comprises a first sanding feeding mechanism and a first sanding arm, the first sanding arm is vertically arranged, the lower side of the first sanding arm is coated with a sanding belt, and the first sanding feeding mechanism drives the first sanding arm to feed in the direction of the workpiece rotating die carrier so as to sand the outer surface of the workpiece;
the inner sand station comprises a second sanding device and a second workpiece rotating die frame, the second workpiece rotating die frame is used for fixing a workpiece and driving the workpiece to rotate, an installation cavity with an upward opening and matched with the workpiece is arranged in the middle of the second workpiece rotating die frame, the workpiece opening is upward installed in the installation cavity, and the second sanding device performs sanding treatment on the inner cavity of the workpiece;
the second sanding device comprises a second sanding feeding mechanism and a second sanding arm, the second sanding arm is vertically arranged, an abrasive belt is coated on the lower side of the second sanding arm, and the second sanding feeding mechanism drives the second sanding arm to feed towards the direction of the second workpiece rotating die carrier so as to polish the inner cavity of the workpiece.
4. A sanding line as defined in claim 1, wherein: the turnover station comprises a turnover mechanism, the turnover mechanism comprises a clamp and a turnover driving device for driving the clamp to intermittently rotate, the clamp comprises a first claw, a second claw and a clamping driving device, and the clamping driving device drives the first claw and the second claw to be close to each other to clamp a workpiece or reversely far away from the unclamped workpiece.
5. A sanding line as defined in claim 4, wherein: the turnover station also comprises a pushing mechanism positioned at the lower side of the clamp, the pushing mechanism comprises a lifting base plate, and the base plate can selectively push the workpiece in the clamp upwards by a base plate driving mechanism so as to adjust the height of the workpiece.
6. A sanding line as defined in claim 4, wherein: the turnover driving device comprises a rotary cylinder or a motor, and the clamp is connected with the output end of the turnover driving device.
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| CN201711456992 | 2017-12-28 | ||
| CN2017114569929 | 2017-12-28 |
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| CN201820539590.9U Active CN208391672U (en) | 2017-12-28 | 2018-04-16 | A kind of sanding production line |
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| CN108406449B (en) * | 2017-12-28 | 2023-09-19 | 佛山市艾乐博机器人股份有限公司 | Sanding production line |
| CN109500678B (en) * | 2018-12-28 | 2023-09-01 | 北京惠点信元科技有限公司 | Board sander |
| CN110561234A (en) * | 2019-08-21 | 2019-12-13 | 海天塑机集团有限公司 | Two-sided flowing water sand light system of panel beating |
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| CN208391672U (en) | 2019-01-18 |
| CN108406449A (en) | 2018-08-17 |
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