CN217750587U - Automatic processing production line for iron castings - Google Patents

Abstract

The utility model provides an automatic processing lines of ironcasting, including machining center, machining center is used for processing the ironcasting, and characteristics still include: the feeding and discharging device comprises a mechanical arm, the mechanical arm comprises a mechanical arm and a mechanical base, the mechanical arm is rotationally connected with the mechanical base, a first clamp and a second clamp which are used for grabbing iron castings are arranged on the mechanical arm, and the number of the first clamp and the number of the second clamp are not less than two; the feeding device is used for conveying the iron castings to a manipulator grabbing position; the automatic feeding device has the advantages that the mechanical automatic feeding is realized by arranging the feeding device; through being provided with the manipulator, can replace the manual work to go up the unloading operation for whole processing production process does not need artifical too much intervention, reduces manpower resources's consumption, makes an operating personnel can operate many machining center.

Description

Automatic processing production line for iron castings

Technical Field

The utility model belongs to the technical field of machining, especially, relate to an ironcasting automated processing production line.

Background

The machining center is a numerical control machine tool which is provided with a tool magazine, has an automatic tool changing function and performs multi-process machining after a workpiece is clamped once. At present, the machining of machining centers generally adopts the modes of manual feeding, manual clamping and manual discharging, and each machining center needs to be configured with one worker for operation, so that larger manpower resources are needed; in the manual assembly operation process, the labor intensity of single operation is high, fatigue is easy to generate, so that the problems of infirm clamping, inaccurate positioning and the like are caused, and the reworking and scrapping of workpieces are easy to cause; when unloading in the manual work, there is the accident of thorn bits scratch often to take place, and the cutting fluid has certain corrosivity, influences the healthy of staff.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides an automatic iron casting machining production line with automatic machining and manual intervention reduction.

The purpose of the utility model can be realized by the following technical proposal: an automatic processing production line for iron castings, which comprises a machining center, wherein the machining center is used for machining the iron castings, and the automatic processing production line for the iron castings further comprises:

the feeding and discharging device comprises a mechanical arm and a mechanical base, the mechanical arm is rotationally connected with the mechanical base, a first clamp and a second clamp which are used for grabbing iron castings are arranged on the mechanical arm, and the number of the first clamp and the second clamp is not less than two;

and the feeding device is used for conveying the iron castings to a manipulator grabbing position.

As preferred, be provided with the mounting panel on the arm, be provided with the connecting plate on the mounting panel, just the terminal surface of connecting plate with the terminal surface of mounting panel is mutually perpendicular, the one end of connecting plate with the mounting panel is connected, the other end of connecting plate is provided with the anchor clamps fixed plate, the anchor clamps fixed plate is the polylith, the polylith the anchor clamps fixed plate is fixed respectively the other end of connecting plate, every first anchor clamps are fixed respectively on every the anchor clamps fixed plate, the anchor clamps fixed plate with enclose into a cavity between the mounting panel, be provided with the anchor clamps fixing base in the cavity, every the second anchor clamps are fixed on the anchor clamps fixing base.

Preferably, the first fixture comprises a base fixed on the fixture fixing plate, two bases are oppositely arranged on the base, clamping blocks are respectively arranged on the two bases, clamping grooves are respectively arranged in opposite directions of the two clamping blocks, the bases are in sliding fit with the base, so that the two clamping blocks can be relatively clamped and loosened, first positioning blocks are respectively arranged on the two bases, and a positioning rod penetrates through each first positioning block;

the second fixture comprises a mounting seat, the mounting seat is fixed on the side face of the fixture fixing seat, three clamping fingers are arranged on the mounting seat and are respectively in sliding fit with the mounting seat, one end, far away from the mounting seat, of each clamping finger is provided with a plurality of grooves, and one clamping finger is provided with a second positioning block.

Preferably, the feeding device comprises:

a feeding frame;

the conveying assembly comprises a conveying chain arranged on a feeding rack, the conveying chain is parallel to the length direction of the feeding rack, a plurality of conveying plates used for conveying iron castings are placed on the conveying chain, a driving piece is arranged in the feeding rack, and the driving piece is connected with the conveying chain and used for driving the conveying chain to work;

the positioning assembly is arranged on the feeding rack and comprises a fixing shaft and a positioning block, the fixing shaft and the positioning block are arranged on the conveying plate, the fixing shaft is provided with a positioning shaft, the positioning shaft extends into a hole of a base of the iron casting, the fixing shaft abuts against the bottom of the base of the iron casting, and the positioning block abuts against the end face of the base of the iron casting.

Preferably, the feeding device further comprises:

the output chain is arranged on the feeding rack, the output chain is parallel to the length direction of the feeding rack, and the output chain and the conveying chain are respectively positioned at two ends of the upper surface of the feeding rack;

the pushing translation assembly is arranged at two ends of the output chain and the conveying chain.

Preferably, the pushing and translating assembly includes a jacking plate, the jacking plate is located below the conveying plate in the vertical direction, a driving cylinder is arranged between the jacking plate and the feeding rack, a fixed plate is arranged below the jacking plate, the fixed plate is fixed to the feeding rack, a cylinder seat of the driving cylinder is fixed to the fixed plate, a cylinder shaft of the driving cylinder is fixed to the jacking plate in the vertical direction and used for controlling the jacking plate to move in the vertical direction, a double-row chain is arranged above the jacking plate, the length direction of the double-row chain is perpendicular to the length direction of the feeding rack, a driving shaft is rotatably connected to the feeding rack, conveying sprockets are coaxially arranged at two ends of the driving shaft and meshed with the double-row chain, a first bevel gear is coaxially arranged on the driving shaft, an induction motor is arranged in the feeding rack, a motor shell of the induction motor penetrates through the fixed plate and fixed to the jacking plate, a driving shaft of the induction motor penetrates through the fixed plate, a second bevel gear is arranged on the driving shaft of the induction motor, and a second bevel gear is meshed with a second bevel gear.

Preferably, the feeding rack is provided with a blocking unit, the blocking unit is used for blocking the conveying plate to feed, the blocking unit comprises a blocking block and a second cylinder, the blocking block and the second cylinder are arranged on the feeding rack, the upper end of the blocking block is provided with a roller, the second cylinder is fixed on the feeding rack, a mounting seat is coaxially fixed on a cylinder shaft of the second cylinder, the blocking block is hinged to the mounting seat, a stop block is integrally arranged at the lower end of the blocking block, a stop column is arranged on the mounting seat, and when the blocking block blocks the conveying plate, the stop column abuts against the stop block.

Preferably, two disc mounting seats are oppositely arranged on a workbench of the machining center, a fixed disc is rotatably connected onto each disc mounting seat, a bridge plate is arranged on the workbench, two ends of the bridge plate are respectively fixed onto the corresponding fixed discs, a plurality of iron casting limiting tools and iron casting clamping tools are arranged on the bridge plate, each iron casting limiting tool comprises a limiting disc fixed at the bottom of the bridge plate, three chucks are arranged in the limiting discs, a gap is arranged between every two chucks, a rubber block is arranged in the gap, an backer is arranged on the limiting disc, and the backer and the limiting disc are coaxially arranged; the iron casting clamping tool comprises a clamping shaft arranged on a bridge plate, wherein a clamping block is rotatably connected to the clamping shaft, and the clamping block can rotate for 90 degrees around the clamping shaft.

Preferably, still include the digit control machine tool, be provided with the pneumatic cylinder in the digit control machine tool, be provided with fixed cover on the output shaft of pneumatic cylinder, just be provided with one end open-ended cavity on the fixed cover, just be provided with the head mount pad in the cavity, the chuck of digit control machine tool is provided with the fixed disk, be provided with the third locating piece on the fixed disk, coaxial being provided with on the chuck of digit control machine tool rises the dabber, the dabber that rises passes the fixed disk, fixed cover with it is located same water flat line to rise the dabber, just the opening orientation of cavity the dabber that rises.

Preferably, the method further comprises the following steps:

the spot inspection tool comprises a conveying rack, a rodless cylinder is arranged on the conveying rack, the length direction of the rodless cylinder is parallel to that of the conveying rack, a sliding block is arranged on the rodless cylinder, the sliding block is in sliding fit with the rodless cylinder, a supporting plate is arranged on the sliding block, a first limiting block and a second limiting block are arranged on the supporting plate, and base limiting blocks are arranged on two sides of the second limiting block;

the temporary shelf comprises a tool support, and a third limiting block and a fourth limiting block are arranged on the tool support.

Compared with the prior art, the beneficial effects of the utility model are that:

an automatic production line for iron casting processing realizes mechanical automatic feeding by arranging a feeding device; through being provided with the manipulator, can replace the manual work to go up the unloading operation for whole processing production process does not need artificial too much intervention, reduces manpower resources's consumption, makes an operating personnel can operate many machining centers.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a schematic perspective view of the feeding device of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic perspective view of a translation unit of the transfer plate according to the present invention;

fig. 5 is a schematic perspective view of a blocking unit according to the present invention;

FIG. 6 is an enlarged schematic view of the structure at B in FIG. 2;

FIG. 7 is a schematic perspective view of an iron casting according to the present invention

Fig. 8 is a schematic perspective view of the loading and unloading device of the present invention;

fig. 9 is a schematic perspective view of the manipulator of the present invention;

fig. 10 is a schematic view illustrating a state in which a first clamp of the present invention grips an iron casting;

fig. 11 is a schematic view showing a state in which a second clamp of the present invention grips an iron casting;

fig. 12 is a schematic perspective view of the temporary footrest in the present invention;

fig. 13 is a schematic view of the state of the spot check tool of the present invention;

fig. 14 is a schematic view of the installation of the iron casting limiting tool and the iron casting clamping tool on the workbench according to the present invention;

fig. 15 is a schematic perspective view of the numerical control machine tool of the present invention;

fig. 16 is a partially enlarged structural view at C in fig. 15;

fig. 17 is a schematic perspective view of the head mount of the present invention;

fig. 18 is an explosion structure diagram of the iron casting limiting tool of the present invention.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-13, an automated manufacturing line for iron castings comprises a machining center 1, wherein the machining center 1 is used for machining iron castings 6, and further comprises:

the feeding and discharging device 3 comprises a manipulator, the manipulator comprises a mechanical arm 3200 and a mechanical base 3100, the mechanical arm 3200 and the mechanical base 3100 are rotationally connected, a first clamp 3300 and a second clamp 3400 used for grabbing iron castings are arranged on the mechanical arm 3200, and the number of the first clamp 3300 and the number of the second clamp 3400 are not less than two;

and the feeding device 2 is used for conveying the iron castings 6 to a manipulator grabbing position through the feeding device 2.

An automatic processing production line for iron castings realizes mechanical automatic feeding by arranging a feeding device 2; the manipulator can replace manual work to carry out loading and unloading operation, so that excessive manual intervention is not needed in the whole processing production process, the consumption of human resources is reduced, and one operator can operate a plurality of processing centers; compared with the traditional manual assembly, the assembly operation can be repeated by using the manipulator, the fatigue can not be caused, and the problems of infirm clamping, inaccurate positioning and the like can be caused; when unloading in the manual work, there is the occurence of failure of thorn bits scratch often, and the cutting fluid has certain corrosivity, influences staff's healthy, and utilize the manipulator to go up the unloading operation and then do not need worry and cause the influence to the personal safety.

Specifically, in order to guarantee the safety of operating personnel and other staff, in the workshop, be provided with the protection rail and separate processing region with non-processing region to this guarantees operating personnel's personal safety.

Preferably, the mechanical arm 3200 is provided with a mounting plate 3201, the mounting plate 3201 is provided with a connecting plate 3202, an end surface of the connecting plate 3202 is perpendicular to an end surface of the mounting plate 3201, one end of the connecting plate 3202 is connected with the mounting plate 3201, the other end of the connecting plate 3202 is provided with two clamp fixing plates 3203, the two clamp fixing plates 3203 are respectively fixed at the other end of the connecting plate 3202, each first clamp 3300 is respectively fixed on each clamp fixing plate 3203, a cavity is defined between each clamp fixing plate 3203 and the mounting plate 3201, a clamp fixing seat 3401 is arranged in the cavity, and each second clamp 3400 is fixed on the clamp fixing seat 3401.

In this embodiment, the upper end shaft portion of the iron casting 6 can be grasped by providing the first clamp 3300, and the base of the iron casting 6 can be grasped by providing the second clamp 3400, so as to meet the requirements of the machining center for different machining positions of the iron casting 6.

Preferably, the first clamp 3300 includes a base 3301 fixed on the clamp fixing plate 3203, two bases 3302 are oppositely arranged on the base 3301, two clamping blocks 3303 are respectively arranged on the two bases 3302, clamping grooves 3304 are arranged in opposite directions of the two clamping blocks 3303, and the base 3302 and the base 3301 are in sliding fit, so that the two clamping blocks 3303 can be relatively clamped and loosened, first positioning blocks 3305 are arranged on the two bases 3301, and a positioning rod 3306 penetrates through each first positioning block 3303;

the second clamp 3400 comprises a mounting seat 3402, the mounting seat 3402 is fixed on the side face of a clamp fixing seat 3401, three clamping fingers 3403 are arranged on the mounting seat 3402, the three clamping fingers 3403 are respectively in sliding fit with the mounting seat 3402, one end, far away from the mounting seat 3402, of the three clamping fingers 3403 is provided with a plurality of grooves 3404, the contact between the clamping fingers 3403 and the inner wall of a hole in the bottom of the iron casting 6 when the clamping fingers 3403 are opened can be reduced, the grabbing force of the second clamp 3400 on the iron casting 6 can be increased by reducing the mutual contact between the clamping fingers 3403 and the mounting seat, and a second positioning block 3405 is arranged on one clamping finger 3403.

Specifically, when the first clamp 3300 grabs the iron casting for assembly, the upper end face of the iron casting 6 abuts against the positioning rods 3306, that is, the two positioning rods 3306 are arranged on the first clamp 3300 to position and grab the iron casting 6, so that the first clamp 3300 accurately assembles the iron casting 6 on the numerical control machine tool for clamping and processing.

Specifically, the second fixture 3400 is used for grabbing the base of the iron casting 6, that is, the three clamping fingers 3403 extend into the base hole of the iron casting 6, and then the three clamping fingers 3403 are spread until they abut against the inner wall of the base hole of the iron casting 6.

In this embodiment, the second positioning block 3405 is arranged, so that when the second fixture 3400 clamps and takes the iron casting 6, the base end surface of the iron casting 6 abuts against the second positioning block 3405, that is, the second positioning block 3405 is arranged to position and grab the iron casting 6, so that the second fixture 3400 can accurately assemble the iron casting 6 on the numerical control machine tool for clamping.

In this embodiment, a plurality of second clamps 3400 are arranged around the center of the mounting seat 3402 at intervals, and by arranging a plurality of first clamps 3300 and second clamps 3400, before blanking of the numerical control machine tool, one of the first clamps 3300 or the second clamps 3400 of the manipulator grabs one of the iron castings 6 to be machined to wait, and the other of the first clamps 3300 or the second clamps 3400 grabs the machined part to be machined after the machining of the machining center 1 is completed to perform blanking, wherein the iron castings 6 to be machined grabbed by one of the first clamps 3300 or the second clamps 3400 are quickly loaded and time is saved.

Preferably, the feeding device comprises:

a feeder frame 2100;

the conveying assembly comprises a conveying chain 2101 arranged on the feeding rack 2100, the conveying chain 2101 is parallel to the length direction of the feeding rack 2100, a plurality of conveying plates 2102 used for conveying iron castings 6 are placed on the conveying chain 2101, a driving part is arranged in the feeding rack 2100, and the driving part is connected with the conveying chain 2101 and used for driving the conveying chain 2101 to work;

the positioning assembly is arranged on the feeding rack and comprises a fixing shaft 2201 and a positioning block 2203 which are arranged on the conveying plate 2102, a positioning shaft 2202 is arranged on the fixing shaft 2201 and extends into a hole of a base of the iron casting 6, the fixing shaft 2202 abuts against the bottom of the base of the iron casting 6, and the positioning block 2203 abuts against the end face of the base of the iron casting 6.

Specifically, the number of the conveying chains 2101 is two, the two conveying chains 2101 are respectively located on two sides of the conveying plate 2102, the conveying chains 2101 rotate to drive the conveying plate 2102 to move, and frames are arranged on two sides of the two conveying chains 2101 to support the conveying chains 2101.

Specifically, the driving member is a motor (not shown in the drawings), a driving sprocket is coaxially disposed on a driving shaft of the motor, a transmission shaft 2104 is disposed at one end of the feeding rack 2100, which is away from the manipulator, the transmission shaft 2104 is rotatably connected with the feeding rack 2100, a driven sprocket 2106 is coaxially disposed on the transmission shaft 2104, the driving sprocket is connected with the driven sprocket 2106 through a chain, driving sprockets 2109 are coaxially fixed at two ends of the transmission shaft 2104, the driving sprockets 2109 are engaged with the transmission chain 2101, and the transmission chain 2101 is driven by the motor to drive the transmission chain 2101 to drive the transmission plate 2102 to feed.

Further preferably, the feeding device 2 further comprises:

the output chain 2301, the output chain 2301 is arranged on the feeding rack 2100, the output chain 2301 is parallel to the length direction of the feeding rack 2100, and the output chain 2301 and the conveying chain 2101 are respectively positioned at two ends of the upper surface of the feeding rack 2100;

the pushing and translating assemblies are arranged at two ends of the output chain 2301 and the conveying chain 2101.

Further preferably, the pushing translation assembly comprises a lifting plate 2302, and in the vertical direction, the lifting plate 2302 is located below the transmission plate 2102, a driving cylinder 2303 is arranged between the lifting plate 2302 and the feeding frame 2100, a fixing plate 2304 is arranged below the lifting plate 2302, the fixing plate 2304 is fixed to the feeding frame 2100, a cylinder seat of the driving cylinder 2303 is fixed to the fixing plate 2304, a cylinder shaft of the driving cylinder 2303 is fixed to the lifting plate 2302 in the vertical direction for controlling the lifting plate 2302 to move in the vertical direction, a double-row chain 2305 is arranged above the lifting plate 2302, the double-row chain 2305 has a length direction perpendicular to the feeding frame 2100, a driving shaft 2306 is rotatably connected to the feeding frame 2100, transmission sprockets are coaxially arranged at two ends of the driving shaft 2306, the transmission sprockets are engaged with the lifting plate 2302, a first bevel gear 2308 is coaxially arranged on the driving shaft 2306, an induction motor 2310 is arranged in the feeding frame 2100, a motor housing of the induction motor 2310 penetrates through the fixing plate 2304, a second bevel gear 2319 engaged with a second bevel gear 2310, and a second bevel gear 2309 engaged with the induction motor 2319.

The working process of the pushing translation assembly for translating the conveying plate 2102 is as follows: when the transmission chain 2101 drives the iron casting 6 to move to a manipulator grabbing position, the manipulator grabs the iron casting 6 on the transmission plate 2102, then, the transmission chain 2101 and the driving cylinder 2303 at the output chain 2301 start to drive the respective lifting plate 2302 to move upwards, the induction motor 2310 is driven to ascend while the lifting plate 2302 ascends, after the lifting plate 2302 ascends to a proper position, the induction motor 2310 starts to work to drive the double-row chain 2305 to start to work to drive the transmission plate 2102 to move towards the output chain 2301 until the lifting plate 2302 at the output chain 2301, then, the transmission chain 2101 and the driving cylinder 2303 at the output chain 2301 start to drive the respective lifting plate 2302 to reset downwards, and the process of transmitting the transmission plate 2102 from the output chain 2301 to the transmission chain 2101 is the same as the process.

In this embodiment, push away the translation subassembly through being provided with for feeding frame 2100 in this application can circulate to cast iron 6 and send, ejection of compact is handled, compares traditional separately feeding device and the discharging device who sets up, saves installation space, has also reduced manpower resources's consumption simultaneously, and a staff can carry out upper and lower material operation.

Further preferably, a blocking unit 24 is arranged on the feeding rack, the blocking unit 24 is used for blocking the conveying plate 2102 to feed, the blocking unit includes a blocking block 2400 and a second cylinder 2401 which are arranged on the feeding rack 2100, a roller 2402 is arranged at the upper end of the blocking block 2400, the second cylinder 2401 is fixed on the feeding rack 2100, a mounting seat 2403 is coaxially fixed on a cylinder shaft of the second cylinder 2401, the blocking block 2400 is hinged to the mounting seat 2403, a stopper 2404 is integrally arranged at the lower end of the blocking block 2400, a blocking pillar 2405 is arranged on the mounting seat 2403, and when the blocking block 2400 blocks the conveying plate 2102, the blocking pillar 2405 abuts against the stopper 2404.

The working process of the blocking unit 24 is as follows: the conveying chain 2101 drives the conveying plate 2102 to move towards the manipulator, if the previous conveying plate 2102 is still located at the end of the conveying chain 2101 and is not conveyed to the output chain 2301 through the pushing translation assembly, the blocking column 2405 pushes the blocking block 2400 to block the conveying plate 2102 to prevent the conveying plate 2102 from moving continuously until the manipulator finishes grabbing the iron casting 6 on the conveying plate 2102 at the end of the feeding rack 2100, then the pushing translation assembly conveys the conveying plate 2102 to the output chain 2301 from the conveying chain 2101, at the moment, the second air cylinder 2401 drives the blocking block 2404 to move downwards, the conveying plate 2102 loses blocking and continues to move towards the manipulator, and the second air cylinder 22401 drives the blocking block 2404 to reset upwards while the conveying plate 2102 moves.

In this embodiment, the blocking unit 24 is provided to ensure that the conveying chain 2101 drives the conveying plate 2102 to perform ordered feeding, so as to prevent the conveying plate 2102 from being stacked and collided at the end of the feeding rack 2100.

As shown in fig. 1, 14 and 18, preferably, two disc mounting seats 1101 are oppositely arranged on a workbench 1100 of a machining center, a fixed disc 1102 is rotatably connected to each disc mounting seat 1101, a bridge plate 1103 is arranged on the workbench 1100, two ends of the bridge plate 1103 are respectively fixed to the corresponding fixed discs 1102, a plurality of iron casting limiting tools and iron casting clamping tools are arranged on the bridge plate 1103, each iron casting limiting tool comprises a limiting disc 1104 fixed to the bottom of the bridge plate 1103, three collets 1105 are arranged in the limiting disc 1104, a gap is arranged between every two collets 1105, a rubber block 1106 is arranged in the gap, an abutment 1107 is arranged on the limiting disc 1104, and the abutment 1107 and the limiting disc 1104 are coaxially arranged; the iron casting clamping tool comprises a clamping shaft 1201 arranged on the bridge plate 1103, a clamping block 1202 is rotatably connected to the clamping shaft 1201, and the clamping block 1202 can rotate by 90 degrees around the clamping shaft 1201.

Specifically, an oil path block 1203 is arranged below the clamping shaft 1201, an oil path channel is arranged in the clamping shaft 1201, the oil path block 1203 is communicated with an internal oil path of the clamping shaft 1201, a control oil path 1104 is arranged inside the bridge plate 1103, the control oil path 1104 is communicated with the internal oil path of the oil path block 1203, and the control over the clamping block 1202 is achieved through hydraulic control.

In this embodiment, by providing the control oil passage in the bridge plate 1103, the arrangement of the oil passage pipes in the machining center 1 can be reduced, and the service life of the oil passage provided in the bridge plate 1103 is longer compared to that of a conventional peripheral oil passage pipe.

In this embodiment, when the second clamp 3400 grips the iron casting 6 and places the iron casting 6 in the machining center 1 for machining, the second clamp 3400 grips the base of the iron casting 6 and inserts the head thereof into the limiting plate 1104, and as the iron casting 6 goes deep, the rubber block 1106 between every two chucks 1105 is compressed and contracted, thereby exerting a certain wrapping force on the iron casting 6 and further exerting a certain clamping force on the upper shaft portion of the iron casting 6.

As shown in fig. 1 and 15-17, preferably, the automatic processing production line for iron castings further includes a numerical control machine 7, a hydraulic cylinder 7100 is disposed in the numerical control machine 7, a fixing sleeve 7101 is disposed on an output shaft of the hydraulic cylinder 7100, a cavity with an opening at one end is disposed on the fixing sleeve 7101, a head mounting seat 7102 is disposed in the cavity, a fixing plate 7103 is disposed on a chuck of the numerical control machine 1, a third positioning block 7104 is disposed on the fixing plate 7103, an expanding mandrel 7104 is coaxially disposed on the chuck of the numerical control machine 1, the expanding mandrel 7104 penetrates through the fixing plate 7103, the fixing sleeve 7101 and the expanding mandrel 7104 are located on the same horizontal line, and an opening of the cavity on the fixing sleeve 7101 faces the expanding mandrel 7104.

Specifically, the first clamp 3300 grabs the upper end shaft of the iron casting 6 and places the base of the iron casting 6 on the expanding mandrel 7104 of the chuck of the numerical control machine 1, after the base of the iron casting 6 is sleeved on the expanding mandrel 7104, the hydraulic cylinder 7100 drives the fixing sleeve 7101 to move towards the upper end shaft of the iron casting 6 until the fixing sleeve 7101 is sleeved on the upper end of the iron casting 6, the head of the iron casting 6 abuts against the head mounting seat 7102 in the fixing sleeve 7101, and the iron casting 6 is fixed on the chuck of the numerical control machine 7 by matching the expanding mandrel 7104 with the fixing sleeve 7101.

Further preferably, an automatic processing production line for iron castings further comprises:

the spot inspection tool comprises a conveying frame 4100, wherein a rodless cylinder 4102 is arranged on the conveying frame 4100, the length direction of the rodless cylinder 4102 is parallel to the length direction of the conveying frame 4100, a sliding block 4104 is arranged on the rodless cylinder 4102, the sliding block 4014 is in sliding fit with the rodless cylinder 4102, a supporting plate 4105 is arranged on the sliding block 4104, a first limiting block 4106 and a second limiting block 4107 are arranged on the supporting plate 4105, and base limiting blocks 4108 are arranged on two sides of the second limiting block 4107;

the temporary shelf comprises a tool support 5100, and a third limiting block 5101 and a fourth limiting block 5102 are arranged on the tool support 5100.

Specifically, one end of the conveying rack 4100 is arranged in a protective fence, the other end of the conveying rack 4100 penetrates through the protective fence and then is arranged outside the protective fence, the iron casting 6 is clamped and placed on the selective inspection tool after a batch of parts are quantitatively produced by the manipulator controlled by the prior art, the selective inspection tool is used for conveying the iron casting out of the protective fence for manual selective inspection, the iron casting is conveyed back to a processing area through the selective inspection tool again after the manual selective inspection, a sensor can be arranged on the conveying rack 4100, the sensor senses the action of the manipulator clamping and placing the processed parts on the positioning assembly, and further the next action of the manipulator is controlled.

A machining method of an automatic production line for machining of a numerical control machine tool comprises the following steps:

s1, manually placing an iron casting 6 to be machined on a conveying plate 2102 positioned on a conveying chain 2101, and driving the iron casting 6 to be machined to move towards the direction of a manipulator by the conveying plate 2102;

s2, the manipulator starts to work, and the first clamp 3300 is controlled to grab the iron casting 6 to be machined on the conveying plate 2102 conveyed to the end of the feeding rack 2100;

s3, placing the iron casting 6 to be processed in the step S2 on a temporary shelf by a manipulator,

s4, repeating the steps S1-S3 for multiple times, and placing a plurality of iron castings 6 to be machined on the temporary shelf;

s5, the manipulator controls one of the second clamps 3400 to grab and wait for one iron casting 6 to be processed, which is placed on the temporary shelf in the step S4;

s6, after the machining center 1 of the iron castings 6 of the previous batch is machined, the other second clamp 3400 is controlled by the manipulator to grab one machined iron casting 6 on the bridge plate of the machining center and remove the machined iron casting from the bridge plate, and then the manipulator places the iron casting 6 to be machined, which is grabbed by the second clamp 3400 in the step S5, on the bridge plate;

s7, the other second clamp 3400 is controlled by the mechanical arm to place the processed iron casting 6 grabbed in the step S6 on a temporary shelf, and then one second clamp 3400 is controlled to grab the iron casting 6 to be processed on one temporary shelf;

s8, repeating the steps S6-S7, sequentially placing a plurality of iron castings 5 to be machined on the temporary shelf on a bridge plate of the machining center 1, and then machining the plurality of iron castings 6 to be machined on the bridge plate by the machining center 1;

s9, the manipulator controls one of the first clamps 3300 to grab and wait for one of the processed iron castings 6 placed on the temporary shelf in the step S8;

s10, after the last batch of iron castings 6 in the numerical control machine tool are processed, the other first clamp 3300 is controlled by the manipulator to grab the iron castings 6 processed in the numerical control machine tool and remove the iron castings 6 from a chuck of the numerical control machine tool, and then one first clamp 3300 is controlled by the manipulator to grab the iron castings 6 in the step S10 and place the iron castings 6 on the chuck of the numerical control machine tool;

s11, the manipulator controls the first clamp 3300 to place the iron casting 6 which is processed by the numerical control machine tool on the conveying plate 2102 on the output chain 2301, the iron casting is conveyed towards the direction far away from the manipulator, and the processed iron casting 6 is manually taken down;

and S12, repeating the steps S1-S11.

In this application, the processing chronogenesis of usable current control technology to machining center and digit control machine tool carries out reasonable arrangement for machining center and digit control machine tool need the manipulator to carry out the operation of material loading or unloading together can not appear in this application, guarantee the maximize production utilization of this assembly line.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. An automatic processing production line for iron castings comprises a processing center, wherein the processing center is used for processing the iron castings, and the automatic processing production line is characterized by further comprising:

the feeding and discharging device comprises a mechanical arm and a mechanical base, the mechanical arm is rotationally connected with the mechanical base, a first clamp and a second clamp which are used for grabbing iron castings are arranged on the mechanical arm, and the number of the first clamp and the second clamp is not less than two;

and the feeding device is used for conveying the iron castings to a manipulator grabbing position.

2. The automatic machining line for iron castings according to claim 1, wherein a mounting plate is provided on the robot arm, a connecting plate is provided on the mounting plate, and an end surface of the connecting plate is perpendicular to an end surface of the mounting plate, one end of the connecting plate is connected to the mounting plate, and the other end of the connecting plate is provided with a plurality of clamp fixing plates, the plurality of clamp fixing plates are respectively fixed to the other end of the connecting plate, each first clamp is respectively fixed to each clamp fixing plate, a cavity is defined between each clamp fixing plate and the mounting plate, a clamp fixing seat is provided in the cavity, and each second clamp is fixed to the clamp fixing seat.

3. The automatic processing production line for iron castings according to claim 2, wherein the first fixture includes a base fixed on the fixture fixing plate, the base is relatively provided with two bases, the two bases are respectively provided with a clamping block, each of the two clamping blocks is provided with a clamping groove in a direction opposite to each other, the base and the base are in sliding fit, so that the two clamping blocks can be clamped and loosened relatively, the two bases are respectively provided with a first positioning block, and each first positioning block is provided with a positioning rod in a penetrating manner;

the second fixture comprises a mounting seat, the mounting seat is fixed on the side face of the fixture fixing seat, three clamping fingers are arranged on the mounting seat and are respectively in sliding fit with the mounting seat, one end, far away from the mounting seat, of each clamping finger is provided with a plurality of grooves, and one clamping finger is provided with a second positioning block.

4. An automated cast iron machining line as claimed in claim 1, wherein the feeding means comprises:

a feeding frame;

the conveying assembly comprises a conveying chain arranged on the feeding rack, the conveying chain is parallel to the length direction of the feeding rack, a plurality of conveying plates used for conveying iron castings are placed on the conveying chain, a driving part is arranged in the feeding rack and connected with the conveying chain and used for driving the conveying chain to work;

the positioning assembly is arranged on the feeding rack and comprises a fixing shaft and a positioning block, the fixing shaft and the positioning block are arranged on the conveying plate, the fixing shaft is provided with a positioning shaft, the positioning shaft extends into a hole of a base of the iron casting, the fixing shaft abuts against the bottom of the base of the iron casting, and the positioning block abuts against the end face of the base of the iron casting.

5. An automated cast iron machining line as claimed in claim 4, wherein the feeder further comprises:

the output chain is arranged on the feeding rack, is parallel to the length direction of the feeding rack and is respectively positioned at two ends of the upper surface of the feeding rack;

the pushing translation assembly is arranged at two ends of the output chain and the conveying chain.

6. The automatic processing production line for iron castings according to claim 5, wherein the jacking translation assembly comprises a jacking plate, the jacking plate is located below the conveying plate in a vertical direction, a driving cylinder is arranged between the jacking plate and the feeding rack, a fixed plate is arranged below the jacking plate, the fixed plate is fixed to the feeding rack, a cylinder seat of the driving cylinder is fixed to the fixed plate, a cylinder shaft of the driving cylinder is fixed to the jacking plate in a vertical direction and used for controlling the jacking plate to move in the vertical direction, a double-row chain is arranged above the jacking plate, the length direction of the double-row chain is perpendicular to the length direction of the feeding rack, a driving shaft is rotatably connected to the feeding rack, conveying sprockets are coaxially arranged at two ends of the driving shaft and meshed with the double-row chain, a first bevel gear is coaxially arranged on the jacking plate, an induction motor is arranged in the feeding rack, a motor shell of the induction motor penetrates through the fixed plate and then penetrates through the fixed plate, a second bevel gear is coaxially arranged on the driving shaft of the induction motor, and a second bevel gear is meshed with the second bevel gear.

7. The automatic processing production line for iron castings according to claim 5, characterized in that a blocking unit is arranged on the feeding frame, the blocking unit is used for blocking the conveying plate for feeding, the blocking unit comprises a blocking block and a second cylinder which are arranged on the feeding frame, the upper end of the blocking block is provided with a roller, the second cylinder is fixed on the feeding frame, a mounting seat is coaxially fixed on a cylinder shaft of the second cylinder, the blocking block is hinged with the mounting seat, a stop block is integrally arranged at the lower end of the blocking block, a stop post is arranged on the mounting seat, and when the blocking block blocks the conveying plate, the stop post abuts against the stop block.

8. The automatic processing production line for iron castings according to claim 1, characterized in that two disc mounting seats are oppositely arranged on a workbench of the processing center, each disc mounting seat is rotatably connected with a fixed disc, a bridge plate is arranged on the workbench, two ends of the bridge plate are respectively fixed on the corresponding fixed discs, a plurality of iron casting limiting tools and iron casting clamping tools are arranged on the bridge plate, the iron casting limiting tools comprise a limiting disc fixed at the bottom of the bridge plate, three clamping heads are arranged in the limiting disc, a gap is arranged between each two clamping heads, a rubber block is arranged in the gap, a backer is arranged on the limiting disc, and the backer and the limiting disc are coaxially arranged; the iron casting clamping tool comprises a clamping shaft arranged on a bridge plate, wherein a clamping block is rotatably connected to the clamping shaft, and the clamping block can rotate for 90 degrees around the clamping shaft.

9. The automatic machining production line for iron castings according to claim 1, further comprising a numerically-controlled machine tool, wherein a hydraulic cylinder is arranged in the numerically-controlled machine tool, a fixing sleeve is arranged on an output shaft of the hydraulic cylinder, a cavity with an opening at one end is formed in the fixing sleeve, a head mounting seat is arranged in the cavity, a fixing disc is arranged on a chuck of the numerically-controlled machine tool, a third positioning block is arranged on the fixing disc, an expansion mandrel is coaxially arranged on the chuck of the numerically-controlled machine tool, the expansion mandrel penetrates through the fixing disc, the fixing sleeve and the expansion mandrel are located on the same horizontal line, and an opening of the cavity faces the expansion mandrel.

10. An automated iron casting machining line as recited in claim 1, further comprising:

the spot-checking tool comprises a conveying rack, a rodless cylinder is arranged on the conveying rack, the length direction of the rodless cylinder is parallel to that of the conveying rack, a sliding block is arranged on the rodless cylinder, the sliding block is in sliding fit with the rodless cylinder, a supporting plate is arranged on the sliding block, a first limiting block and a second limiting block are arranged on the supporting plate, and base limiting blocks are arranged on two sides of the second limiting block;

the temporary shelf comprises a tool support, and a third limiting block and a fourth limiting block are arranged on the tool support.

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