CN110625424A - Automatic feeding and discharging equipment of milling machine and use method and application thereof - Google Patents
Automatic feeding and discharging equipment of milling machine and use method and application thereof Download PDFInfo
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- CN110625424A CN110625424A CN201910965749.2A CN201910965749A CN110625424A CN 110625424 A CN110625424 A CN 110625424A CN 201910965749 A CN201910965749 A CN 201910965749A CN 110625424 A CN110625424 A CN 110625424A
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- 238000003801 milling Methods 0.000 title claims abstract description 87
- 238000007599 discharging Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 170
- 230000007246 mechanism Effects 0.000 claims abstract description 92
- 238000012545 processing Methods 0.000 claims abstract description 23
- 230000001939 inductive effect Effects 0.000 claims description 27
- 230000006698 induction Effects 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 17
- 238000011068 loading method Methods 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 238000005553 drilling Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000010009 beating Methods 0.000 claims description 5
- 239000013072 incoming material Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000013461 design Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000000641 cold extrusion Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
- B23Q7/043—Construction of the grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
- B23Q7/046—Handling workpieces or tools
Abstract
The invention discloses automatic feeding and discharging equipment of a milling machine, and a use method and application thereof, and belongs to the field of auxiliary equipment of the milling machine. The equipment comprises a material conveying device and a material taking manipulator arranged on one side of the material conveying device in the conveying direction; the material conveying device comprises a belt conveying mechanism and a positioning control mechanism positioned on the belt conveying mechanism; the belt conveying mechanism is used for conveying workpieces, and is provided with a material taking position in the conveying direction, the upper side of the material taking position along the conveying direction is a region to be processed, and the lower side of the material taking position is a finished product region; the positioning control mechanism is used for controlling the workpieces vertically placed in the area to be processed to be placed down and sent to the material taking position one by one; the material taking manipulator is used for grabbing the workpiece to be processed on the material taking position of the belt conveying mechanism and sending the workpiece to the milling machine, or sending the processed workpiece in the milling machine back to the material taking position of the belt conveying mechanism. The automatic feeding and discharging device can realize automatic feeding and discharging of milling and hammering machine processing, effectively reduce labor intensity, improve production efficiency and facilitate automatic production.
Description
Technical Field
The invention belongs to the field of milling and hammering machine auxiliary equipment, relates to automatic feeding and discharging of metal bars in a milling and hammering machine machining process, and particularly relates to automatic feeding and discharging equipment of a milling and hammering machine and a using method and application thereof.
Background
The shaft parts are indispensable transmission parts in mechanical equipment and are usually processed by metal bar materials. In the washing machine, a rotating shaft is an important part for supporting a roller, transmitting power and completing a washing function, the shaft of the washing machine has the characteristics of high-speed rotation and torque transmission when working, the working environment is severe, water vapor and dust exist generally, in addition, the shaft not only rotates forwards and backwards and bears alternating torque, but also ensures the rotation precision so as to reduce noise and achieve the required fatigue limit. Therefore, the requirements on the dimensional precision and the geometric precision of the rotating shaft of the washing machine are high, and the requirements on processing are also high.
The patent document (CN 109623298A) applied by the applicant previously about the production process of the rotating shaft of the washing machine is known to be subjected to blanking, grinding and peeling, cold extrusion, end face milling and central hole punching, turning and roll forming. The milling end face and the centering are finished on the milling machine, an operator clamps a blank subjected to cold extrusion on a workbench of the milling machine to process the blank, and then the workpiece is manually taken down from the workbench after the cold extrusion is finished, so that the loading and unloading operation is completely manually operated, the automation degree is low, the labor capacity is large, the production efficiency is low, and an automatic production line cannot be formed with the front and the rear processes. Of course, for general shaft members, a milling machine is adopted to mill end faces and drill a central hole in the prior art, and manual feeding and discharging are also basically adopted, and the shaft members are not limited to the rotating shaft of the washing machine.
In the prior art, the operations of milling end faces and drilling center holes of shaft parts are mainly concentrated on the improvement of a machine tool which can be processed at one time, and little consideration is given to feeding and discharging, for example, Chinese patent document CN104097068A discloses a numerical control vertical type machine tool for milling end faces and drilling center holes, which is characterized in that a left sliding saddle and a right sliding saddle are respectively arranged on the left front side and the right front side of a machine tool body, a left composite telescopic double-spindle power head and a right composite telescopic double-spindle power head are respectively arranged on the left sliding saddle and the right sliding saddle, an axial inner telescopic positioning device is arranged on a right spindle box, a drilling cutter and a milling cutter are respectively arranged on the left power head spindle and the right power head spindle, a middle upright post is vertically arranged on the middle rear side of the machine tool body, an integral clamp sliding saddle is vertically arranged on the middle upright post, a set of self-centering clamping, therefore, the operations of milling the end face and drilling the central hole can be finished by clamping once, but the feeding and the blanking still need manual operation.
Of course, there are machine tools with auxiliary positioning and discharging functions, for example, chinese patent document CN105436893A discloses a machine tool for automatically milling two end faces of a pin shaft and drilling a central hole, which combines the processes of milling two end faces, drilling a central hole and an outer circle at one end of a sleeve lathe into a single process by integrating, automatically positioning, clamping, feeding, milling, drilling a central hole, turning, and discharging on the machine tool, so as to improve the production efficiency. However, this solution also has certain drawbacks: firstly, the feeding is carried out manually one by one, operators cannot leave, and the feeding continuity is poor; secondly, the automatic unloading is to simply eject the material from the clamping device, the material falls into an unloading groove and rolls down for collection, the unloading is relatively violent, the surface of a workpiece is easily damaged, and the subsequent processes cannot be well connected; moreover, the method is suitable for processing longer shaft parts, short shaft parts such as rotating shafts of washing machines are not suitable, and certainly, the method is not processed by a milling machine.
In summary, the existing method for milling the end face and drilling the central hole of the metal shaft part, particularly the rotating shaft of the washing machine, adopts a milling machine to process, and the feeding and discharging are basically operated manually, so that the automation degree is low, the production efficiency is low, and the automatic production line is not easy to form.
Disclosure of Invention
The invention provides automatic feeding and discharging equipment of a milling machine, and aims to solve the problems that the labor intensity is high, the automation degree is low and the production efficiency is low due to the fact that feeding and discharging are needed manually one by one in the process of milling end faces and drilling center holes of existing shafts by the milling machine.
The invention further provides a use method of the automatic loading and unloading equipment of the milling machine, which is used for completing the automatic loading and unloading operation when the shaft is processed by the milling machine and is particularly suitable for being applied to processing the rotating shaft of the washing machine.
In order to solve the problem of feeding and discharging in the machining process of the milling machine, the automatic feeding and discharging equipment of the milling machine comprises a material conveying device and a material taking manipulator arranged on one side of the conveying direction of the material conveying device; the material conveying device comprises a belt conveying mechanism and a positioning control mechanism positioned on the belt conveying mechanism; the belt conveying mechanism is used for conveying workpieces, and is provided with a material taking position in the conveying direction, the upper side of the material taking position along the conveying direction is a region to be processed, and the lower side of the material taking position is a finished product region; the positioning control mechanism is used for controlling the workpieces vertically placed in the area to be processed to be placed down and sent to the material taking position one by one; the material taking manipulator is used for grabbing the workpiece to be processed on the material taking position of the belt conveying mechanism and conveying the workpiece to the milling machine, or conveying the processed workpiece in the milling machine back to the material taking position of the belt conveying mechanism.
Adopt above-mentioned scheme, the automatic unloading of work piece is accomplished in cooperation through feeding device and material taking manipulator, feeding device sends the work piece into one by one and gets the material level promptly, material taking manipulator snatchs the work piece of getting the material level and sends into and mill the machine of beating and process, and get back the material level with the work piece of accomplishing of processing, send out by feeding device again and get into next process, this kind of mode, need not artifical handheld work piece unloading, only need put the work piece to feeding device in batches, can realize automatic processing under unmanned nurse's situation, effectively reduce intensity of labour, and the production efficiency is improved, and the automated production of being convenient for.
The positioning control mechanism is a structural form and comprises a brake assembly, a feeding inductive switch, a reversing rod and a material arrival inductive switch, wherein the brake assembly is positioned in a to-be-processed area of the belt conveying mechanism; the feeding induction switch is used for inducing incoming materials; the brake component controls to allow a single workpiece to be conveyed forwards according to the feeding information of the feeding induction switch, and prevents other workpieces from being conveyed forwards continuously; the reversing rod is arranged above the conveying direction of the belt conveying mechanism, is positioned between the brake assembly and the material taking position, and is lower than the conveying surface of a workpiece in height; the material arrival induction switch is located between the placing rod and the material taking position and is close to the material taking position and used for sensing a workpiece to enter the material taking position. Conveying the workpieces to be processed on the belt conveying mechanism in batches, feeding the workpieces to be processed into a material taking position one by one under the control of the positioning control mechanism, grabbing and feeding the workpieces into a milling and beating machine by matching with a material taking manipulator, grabbing the material taking position after milling end surfaces and beating a central hole, and conveying the workpieces to the next procedure by the belt conveying mechanism, thereby completing the automatic conveying process of the workpieces
As a structural form of the belt conveying mechanism, it includes a conveying frame, and a conveying belt mounted on the conveying frame by a belt wheel; the positioning control mechanism is arranged on one side of the conveying frame along the conveying direction of the conveying belt. The belt transmission is adopted, so that the feeding device is relatively stable, and the feeding of the brake assembly to a single workpiece is also convenient to control.
On the basis of the belt conveying mechanism structure, side flanges are arranged on two sides of the conveying belt along the conveying direction to prevent the workpieces on the conveying belt from falling off, and material taking notches are reserved at material taking positions, so that the workpieces are convenient to take and place.
As an optimal mode of the brake assembly in the scheme, the brake assembly comprises a brake support arranged on the belt conveying mechanism, and a brake cylinder and a brake block which are arranged on the brake support, wherein the brake cylinder is in driving connection with the brake block. The brake block is provided with a block end which can be inserted between two adjacent workpieces. Through the induction signal who accepts feeding inductive switch, the flexible removal of brake cylinder drive brake dog inserts in the clearance between two adjacent work pieces, allows single work piece to get into and gets the material position and process, blocks follow-up work piece and continues to advance, guarantees the orderliness of feeding.
On the basis of the brake assembly structure, the brake block is provided with a roller towards one side of the material taking position, and the roller is supported on the side wall of the brake support in a rolling manner. When the brake block blocks the workpiece on the belt conveying mechanism, the brake block can be subjected to certain thrust, the brake block is supported on the side wall of the brake support through the roller, the thrust can be offset, the brake cylinder is prevented from being stressed, and the service life of the brake cylinder is prolonged.
On the basis of the positioning control mechanism, the positioning control mechanism can also comprise a positioning cylinder and a discharge inductive switch which are positioned in a finished product area of the belt conveying mechanism, wherein the positioning cylinder is close to the material taking position, and the discharge inductive switch is far away from the material taking position. The positioning cylinder can ensure that the position of a workpiece entering the material taking position every time is accurate and the same, the accuracy of clamping on the milling machine is ensured, and the discharge inductive switch can detect the sent processed workpiece, so that the error correction and the counting are convenient.
As a preferable mode of the material conveying device, the dumping rod is an electromagnet, so that the workpiece can be adsorbed, the workpiece can be slowly dumped, and the impact on the belt conveying mechanism is small.
The material taking manipulator serving as the automatic feeding and discharging equipment of the milling and beating machine comprises a box frame, a main shaft, a rotating arm, a material taking shaft and a clamping jaw part; the main shaft is supported and installed on the box frame through a bearing, and one end of the main shaft is in transmission connection with a rotary driving piece installed on the box frame; one end of the rotating arm is fixedly connected with the other end of the main shaft, and the other end of the rotating arm is rotatably connected with one end of the material taking shaft; the other end of the material taking shaft is provided with a clamping jaw part; the material taking shaft is parallel to the rotation axis of the main shaft and is positioned in the horizontal plane. The rotary driving part is a motor, a rotary cylinder, a rotary oil cylinder or other structures capable of driving the main shaft, the rotary cylinder is preferably adopted, and the operation is simple and easy. By adopting the material taking manipulator structure, the material taking manipulator structure is matched with a material conveying device for use, workpieces to be processed placed on the material conveying device can be grabbed one by one, the workpieces are fed into a workbench of a milling machine for clamping and processing, and the processed workpieces are grabbed and fed back to the material conveying device, so that automatic feeding and discharging operation is realized.
On the basis of the material taking manipulator structure, the main shaft is installed in the supporting sleeve through a bearing, the supporting sleeve is fixed on the box frame, and the end part of the main shaft extends out of the supporting sleeve and then is connected with the rotating arm. Therefore, the support stability of the main shaft can be improved, and the main shaft is well protected.
On the basis of the structure adopting the supporting sleeve, the auxiliary material taking mechanical arm of the milling machine further comprises a synchronizing assembly; the synchronous component comprises two synchronous wheels and a synchronous belt sleeved between the two synchronous wheels; one of the two synchronizing wheels is fixedly sleeved on the supporting sleeve, and the other synchronizing wheel is fixedly sleeved on the material taking shaft. Through increasing synchronous subassembly, can guarantee no matter what kind of angle of main shaft rotation, the reverse of gripping of clamping jaw part remains downwards all the time to the clamping jaw part can not take place the shake in the rotation process, snatchs the work piece reliable and stable, guarantees the material loading precision.
As a further improvement of the clamping jaw part, the clamping jaw part comprises a pneumatic finger and two pairs of clamping jaws, the pneumatic finger is connected with the material taking shaft through a connecting seat, the pneumatic finger drives the two pairs of clamping jaws to be connected, and the workpiece can be simply and reliably grabbed. Furthermore, a material taking induction switch is arranged on the pneumatic finger corresponding to the position where the clamping jaw clamps the material, so that whether the clamping jaw clamps the workpiece or not can be detected, and the control system can effectively control the action of the pneumatic finger.
As a further improvement, the main shaft and the material taking shaft are hollow shafts, a groove is formed in the rotating arm along the length direction, and the two ends of the groove of the rotating arm are respectively communicated with the hollow cavities of the main shaft and the material taking shaft through holes. Design like this, be convenient for circuit and pipeline from the tank tower side penetrate to connect to the clamping jaw part position, the route is hidden relatively, not only pleasing to the eye, and better protection circuit and pipeline.
As a further improvement, a control cabinet is arranged on one outer side of the box frame, and circuit control elements and corresponding control buttons can be arranged inside the box frame.
The invention provides a use method of the automatic loading and unloading equipment of the milling machine, which is used for loading and unloading a shaft part during the processing of the milling machine and comprises the following operation steps:
erecting a plurality of workpieces to be processed, and placing the workpieces side by side on a belt conveying mechanism of a material conveying device in front of a positioning control mechanism;
conveying the workpiece forwards by using the conveying mechanism, wherein when the workpiece is conveyed to the position of the feeding inductive switch and one workpiece passes through the feeding inductive switch, the feeding inductive switch generates an inductive signal, the control system receives the inductive signal and controls the brake cylinder to drive the brake block to extend out, and the brake cylinder is inserted between the workpiece which just passes through and the adjacent workpiece behind the workpiece to block the subsequent workpiece from continuing to advance;
the belt conveying mechanism drives the workpieces passing through the feeding induction switch to continue to advance, and when the workpieces are conveyed to the position of the falling rod, the workpieces are blocked, fall down and continue to be conveyed forwards;
the fallen workpieces are sensed when being conveyed to the position of the material sensing switch, the belt conveying mechanism stops acting, the material taking manipulator acts and is positioned above a material taking position of the belt conveying mechanism to prepare for taking materials;
after the material taking manipulator finishes preparation, the belt conveying mechanism acts to convey the workpiece into a material taking position, and the workpiece is limited and positioned by the extended positioning cylinder; the material taking manipulator grabs the workpiece and sends the workpiece into a milling and striking machine for processing;
grabbing the workpiece processed by the milling machine by a material taking manipulator to take the material taking position;
the positioning cylinder retracts, the belt conveying mechanism drives the processed workpiece to enter a finished product area, and the finished product area is sensed by the discharging sensing switch to finish the processing of one workpiece;
repeating the steps to continuously process the workpiece.
The automatic feeding and discharging equipment of the milling machine is particularly suitable for being applied to processing of the rotating shaft of the washing machine and is used for automatic feeding and discharging operation of the milling machine for milling the end face and drilling the central hole of the rotating shaft of the washing machine.
Drawings
FIG. 1 is a perspective view of an automatic loading and unloading apparatus of a milling machine according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a perspective view of a feeding device in an automatic loading and unloading apparatus of a milling machine;
FIG. 4 is a top view of the feeding device;
FIG. 5 is an enlarged partial view of the positioning control mechanism portion of FIG. 4;
FIG. 6 is a perspective view of a material taking manipulator in an automatic loading and unloading device of the milling machine;
FIG. 7 is a view of the material extraction robot from an end;
FIG. 8 is a perspective view of a jaw portion of a material extraction robot;
fig. 9 is a schematic view of the working state of the automatic loading and unloading device of the milling machine.
The reference numerals in the drawings denote:
100. a feeding device; 110. a support; 120. a belt conveying mechanism; 121. a conveyor belt; 122. taking a material level; 123. side flanges; 130. a positioning control mechanism; 131. a brake assembly; 1311. a brake support; 1312. a brake cylinder; 1313. a brake block; 1314. the end of the stop block; 132. a feed induction switch; 133. putting down the rod; 134. a material arrival induction switch; 135. a positioning cylinder; 136. a discharge inductive switch;
200. a material taking manipulator; 210. a box frame; 211. a support sleeve; 220. a main shaft; 230. a rotating arm; 240. taking a material shaft; 250. a jaw portion; 251. a pneumatic finger; 252. a clamping jaw; 253. a V-shaped notch; 254. a connecting seat; 260. a synchronization component; 261. a synchronizing wheel; 262. a synchronous belt; 270. a rotary drive member; 280. a material taking inductive switch; 290. a control cabinet.
Detailed Description
The invention is further described with reference to specific examples.
Fig. 1 shows an overall structural view of an automatic loading and unloading device of a milling machine according to the embodiment, which is mainly formed by combining two parts, including a feeding device 100 and a material taking manipulator 200 arranged on one side of the feeding device 100 in the conveying direction. The feeding device 100 is used for arranging and conveying workpieces, that is, conveying the workpieces to be processed to a designated position one by one, so that the material taking manipulator 200 can conveniently grab the workpieces, and the processed workpieces are conveyed to the next process; the material taking manipulator 200 is configured to grab and send a workpiece to be processed at a designated position on the material conveying device 100 to the milling machine for processing, and retrieve the processed workpiece from the milling machine to the material conveying device 100. The matching form of the feeding device and the feeding manipulator is shown in a partial enlarged view of fig. 2, automatic feeding and discharging of workpieces are completed through the cooperative matching of the feeding device 100 and the feeding manipulator 200, the workpieces do not need to be manually held for feeding and discharging, and the workpieces only need to be placed on the feeding device 100 in batches, so that automatic processing can be realized under the unattended condition, the labor intensity is effectively reduced, the production efficiency is improved, and the automatic production is facilitated. Their specific structures and methods of use are described in detail below.
As shown in fig. 3, fig. 4 and fig. 5, an implementation manner of the material conveying device 100 of the present embodiment is shown. The feeding device 100 includes a support frame 110, a belt feeding mechanism 120 mounted on the support frame 110, and a positioning control mechanism 130 provided on the belt feeding mechanism 120. Among them, the three supports 110 are provided as a support base, and support the belt conveying mechanism 120 from both ends and the middle thereof; the belt conveying mechanism 120 is used for conveying workpieces, and has a material taking position 122 in the conveying direction, and an upper side of the material taking position 122 along the conveying direction is a region to be processed, and a lower side is a finished product region; and the positioning control mechanism 130 is used for controlling the workpieces which are vertically placed in the area to be processed to be placed down and sent to the material taking position 122 one by one.
The belt conveying mechanism 120 may adopt a conventional belt conveying structure, and may also adopt other conveying forms, such as chain transmission, but for the transmission processing of the shaft member, the belt conveying structure is suitable, the conveying is more stable, the supporting of the shaft member is better, the surface of the workpiece is not easily damaged, and the control of the positioning control mechanism 130 on the feeding of the single workpiece is also facilitated. To this end, the belt conveying mechanism 120 includes a carriage, and a conveying belt 121 mounted on the carriage by a pulley; the conveying frame is used as a supporting component of the belt wheel, two ends of the conveying frame are respectively provided with one belt wheel and driven by a motor, and the conveying belt 121 is sleeved between the two belt wheels. For better support of the conveyor belt 121, a plurality of support wheels are installed between the two pulleys to effectively support the conveyor belt 121.
In order to ensure the stability and reliability of the workpiece on the conveyor belt 121, as shown in fig. 2 and 5, side flanges 123 are disposed on two sides of the conveyor belt 121 along the conveying direction to prevent the workpiece on the conveyor belt 121 from falling off, and a material taking gap is reserved in the material taking position 122, so that the material taking manipulator 200 can conveniently grasp the workpiece.
The positioning control mechanism 130 is installed on one side of the carriage of the belt conveying mechanism 120 in the conveying direction of the conveying belt 121, and performs orderly controlled feeding of the workpieces conveyed on the belt conveying mechanism 120. As shown in fig. 5, the present embodiment is constructed to include a brake assembly 131, a feed sensing switch 132, a dump bar 133, and a feed sensing switch 134 in a region to be processed of the belt feeding mechanism 120, and a positioning cylinder 135 and a discharge sensing switch 136 in a finishing region of the belt feeding mechanism 120. The feeding induction switch 132 is used for inducing incoming materials of a workpiece to be processed; the brake component 131 controls to allow a single workpiece to be conveyed forwards according to the incoming material information of the feeding induction switch 132, and prevents other workpieces from being conveyed forwards continuously; the dumping rod 133 is used for dumping the workpiece which is erected for material taking, so that the material taking manipulator 200 can conveniently grab the workpiece; the material-receiving sensing switch 134 senses a workpiece to be processed which is about to enter the material-taking position 122; the positioning cylinder 135 is used for positioning the workpiece entering the material taking position 122, so that the position of the workpiece at the material taking position 122 is the same each time, and the feeding accuracy of the material taking manipulator 200 is ensured; the discharge sensing switch 136 senses the discharged processed workpiece.
The brake assembly 131 in the positioning control mechanism 130 is located furthest from the pick location 122 to control the individual feeding of the workpieces. Put down pole 133 and set up in the top of taking conveying mechanism 120 direction of delivery to be located brake subassembly 131 and get between the material position 122, its height that highly is less than the work piece and stands on the plane of delivery apart from the plane of delivery is high, thereby takes conveying mechanism 120 to drive the work piece of putting immediately and touch and put down pole 133, because the work piece upper end is blockked, the lower extreme is in the motion, can be put down. The falling rod 133 is preferably an electromagnet, and is energized to be magnetic, so that the workpiece can be attracted, the workpiece can be slowly fallen, and the impact on the belt conveying mechanism 120 is small. The to-feed sensing switch 134 is located proximate to the pick level 122, i.e., between the dump bar 133 and the pick level 122, proximate to the pick level 122 to control when a workpiece enters the pick level 122. The feeding inductive switch 132 and the brake component 131 are arranged in parallel up and down, so that the control system can control the brake component 131 to stop the follow-up workpieces to continue to advance at the specified time just after one workpiece passes through the feeding inductive switch 132, and the feeding one by one is realized.
For the positioning cylinder 135 and the discharge sensing switch 136 in the finished product area, the positioning cylinder 135 is close to the material taking position 122, and the discharge sensing switch 136 is far from the material taking position 122. The positioning cylinder 135 can make the position of the workpiece entering the material taking position 122 each time accurate and the same, so as to ensure the clamping accuracy on the milling machine, and the discharging inductive switch 136 can detect the sent processed workpiece, so as to facilitate error correction and counting.
To perform the function of the brake assembly 131, the present embodiment provides an implementation of the brake assembly 131, which includes a brake support 1311 mounted on the belt conveying mechanism 120, and a brake cylinder 1312 and a brake block 1313 mounted on the brake support 1311, wherein the brake cylinder 1312 is in driving connection with the brake block 1313. The brake support 1311 is formed by bending a plate into a U shape, is provided with a cover and can be covered, and the brake cylinder 1312 and the brake block 1313 are arranged in the brake support 1311; the brake block 1313 has a block end 1314 driven by the brake cylinder 1312 to be inserted between two adjacent workpieces among the workpieces conveyed on the belt conveying mechanism 120, so that the workpieces can be blocked from being conveyed further forward, and the block end 1314 has a triangular pointed shape to facilitate insertion between two workpieces. Thus, by receiving the sensing signal of the feeding sensing switch 132, the brake cylinder 1312 drives the brake block 1313 to move telescopically and insert into the gap between two adjacent workpieces, so that a single workpiece is allowed to enter the material taking position 122 for processing, subsequent workpieces are prevented from continuing to advance, and the feeding order is ensured.
When the brake block 1313 stops the workpiece from moving forward, the workpiece pushes the brake block 1313 to indirectly cause the brake cylinder 1312 to be stressed, so that in this embodiment, the roller is installed on one side of the brake block 1313, which faces the material taking position 122, and is supported on the side wall of the brake support 1311 in a rolling manner, and the roller supports the brake block 1313, so that the pushing force can be offset, and the service life of the brake cylinder 1312 is prolonged.
As shown in fig. 6 and fig. 7, the present embodiment provides an implementation structure of the material taking manipulator 200, so that the manipulator can grasp the workpiece to be processed on the material taking position 122 of the belt conveying mechanism 120, feed the workpiece to be processed into the milling machine, and then return the workpiece processed in the milling machine to the material taking position 122 of the belt conveying mechanism 120. The material pick robot 200 includes a carriage 210, a main shaft 220, a swivel arm 230, a pick shaft 240, and a jaw portion 250. The box frame 210 is used as a mounting base for other components, is fixed at the position of one bracket 110 among three brackets 110 in the feeding device 100, and is provided with a control cabinet 290 facing one side of the feeding device 100, and circuit control elements and corresponding control buttons can be mounted inside the control cabinet, so that the equipment can be conveniently controlled.
A rotary driving member 270 and a supporting sleeve 211 are mounted on the box frame 210, the rotary driving member 270 is in driving connection with the rear end of the main shaft 220, the main shaft 220 is rotatably supported and mounted on the supporting sleeve 211 through a bearing, the supporting stability of the main shaft 220 is improved, the main shaft 220 is well protected, and the front section of the main shaft 220 extends out of the supporting sleeve 211 to be fixedly connected with the rear end of the rotating arm 230 through a pin; the front section of the rotating arm 230 is rotatably connected to the take-out shaft 240 near the rear end through a bearing, and the front section of the take-out shaft 240 is provided with a jaw portion 250.
The rotary driving member 270 is used as a power element to provide rotary power to the main shaft 220, so that various structures in the prior art can be adopted, such as a motor, a rotary cylinder, a rotary oil cylinder, etc., and the rotary cylinder is preferably adopted and is simple and easy to implement. To ensure that the workpiece is always held down for clamping in the milling machine, the material-taking shaft 240 and the main shaft 220 have their axes of rotation parallel to each other and are located in a horizontal plane, so that the rotating arm 230 rotates in a vertical plane to exchange the workpiece between the material-feeding device 100 and the milling machine.
It should be particularly noted that, during the rotation of the rotating arm 230, the gripping direction of the clamping jaw portion 250 is always downward, but the clamping jaw portion shakes seriously, which easily causes the workpiece to shift and fall, and is difficult to accurately grip, and for this reason, the synchronizing assembly 260 is added to the material taking manipulator 200. The synchronous assembly 260 comprises two synchronous wheels 261, and a synchronous belt 262 sleeved between the two synchronous wheels 261; in two synchronizing wheel 261, one of them fixed suit is on support sleeve 211, and another fixed suit is on getting material axle 240 rear end, through increasing synchronizing assembly 260, can guarantee that main shaft 220 no matter what kind of angle of rotation, the reverse holding that snatchs of clamping jaw part 250 remains decurrent all the time, and clamping jaw part 250 can not take place the shake in the rotation in-process, snatchs the work piece reliable and stable, guarantees to grab the material precision.
The jaw portion 250 is used to grasp a workpiece and may employ mechanical jaws as are commonly used in the art. As shown in fig. 8, the jaw portion 250 of the present embodiment includes a pneumatic finger 251 and two pairs of jaws 252, the pneumatic finger 251 being connected to the front end of the take-up shaft 240 by a connecting block 254. The connecting seat 254 is provided with a lifting lug which is sleeved on the material taking shaft 240, two sides of the lifting lug are limited and fastened through a fastening ring, and the pneumatic finger 251 is installed at the bottom of the connecting seat 254 through a bolt. The pneumatic fingers 251 are in driving connection with two pairs of clamping jaws 252, and each clamping jaw 252 is provided with a V-shaped notch 253, so that a clamping space can be formed by the pair of clamping jaws 252, and two-point reliable grabbing from the axial direction of a workpiece can be simply and reliably realized. In order to enable the clamping jaw part 250 to accurately sense whether to grab the workpiece, a material taking sensing switch 280 is arranged on the pneumatic finger 251 corresponding to the position where the clamping jaw 252 clamps the material, so that whether the clamping jaw 252 clamps the workpiece can be detected, and the control system can effectively control the action of the pneumatic finger 251.
The operation of the jaw portion 250 requires connection of an air circuit and an electric circuit, therefore, the main shaft 220 and the material taking shaft 240 are hollow shafts, the rotating arm 230 is provided with a groove along the length direction, and two ends of the groove of the rotating arm 230 are respectively communicated with hollow cavities of the main shaft 220 and the material taking shaft 240 through holes. Due to the design, lines and pipelines can be conveniently penetrated into the clamping jaw part 250 from the box frame 210 side, the lines are relatively hidden, the appearance is attractive, and the lines and the pipelines are well protected.
The above description has been made in more detail on the composition structure of the automatic feeding and discharging device of the milling and hammering machine in this embodiment, and the device can be used for conveying and feeding the shaft, and of course, the inventor mainly aims at the design of the milling and hammering machine, so that the shaft can mill two end faces and drill a central hole on the milling and hammering machine conveniently. The following describes a processing method by taking an automatic loading and unloading operation of the device for milling end surfaces and drilling center holes of a rotating shaft of a washing machine by a milling machine as an example. As shown in fig. 9, the specific operation is as follows:
vertically and side-by-side placing a plurality of washing machine rotating shaft blanks after cold drawing on a conveying belt 121 with a conveying mechanism 120 in a conveying device 100, wherein workpieces are positioned in front of a positioning control mechanism 130 for feeding one by one;
secondly, the belt conveying mechanism 120 works, the conveying belt 121 conveys workpieces forwards, when a workpiece is conveyed to the position of the feeding induction switch 132 and a workpiece passes through, the feeding induction switch 132 generates an induction signal, the control system receives the induction signal and controls the brake cylinder 1312 to drive the brake block 1313 to extend out, and the end 1314 of the block is inserted between the workpiece which just passes through and the adjacent workpiece behind the workpiece to block the follow-up workpiece from continuing to advance, namely the follow-up workpiece waits for feeding;
the conveying belt 121 of the belt conveying mechanism 120 drives the workpiece passing through the feeding induction switch 132 to continue to advance, and when the workpiece is conveyed to the position of the inverting rod 133, the workpiece is blocked, falls down and continues to convey forwards;
when the fallen workpiece is conveyed to the position of the material sensing switch 134, sensing is carried out, the belt conveying mechanism 120 stops acting, the material taking manipulator 200 acts, the rotating arm 230 rotates towards the material conveying device 100 side, and the clamping jaw part 250 is positioned above the material taking position 122 of the belt conveying mechanism 120 and is ready for material taking;
after the material taking manipulator 200 finishes preparation, the belt conveying mechanism 120 acts to convey the workpiece into the material taking position 122, and the workpiece is blocked by the extended positioning cylinder 135 to be limited and positioned; when the material taking manipulator 200 works, the pneumatic fingers 251 drive the clamping jaws 252 to grab a workpiece, then the rotating arm 230 rotates towards the milling and hammering machine side, and the workpiece is sent into the milling and hammering machine to be processed by milling end faces and drilling a central hole;
after the milling machine finishes processing the workpiece, the material taking manipulator 200 works, the clamping jaw 252 grabs the workpiece from the milling machine and puts the workpiece back to the material taking position 122 on the material conveying device 100;
seventhly, the positioning cylinder 135 retracts, the conveying belt 121 of the belt conveying mechanism 120 drives the processed workpiece to enter a finished product area, the finished product area is sensed by the discharging sensing switch 136, discharging is confirmed, and the system counts to finish processing of one workpiece;
repeating the steps to continuously process the workpiece.
Therefore, the machining process can be seen, the automatic feeding and discharging equipment of the milling and hammering machine assists in the processing of the milling and hammering machine, workpieces are placed in batches only at the beginning, or a process is directly connected, the feeding and discharging operation of the workpieces can be automatically completed, manual intervention is not needed, the labor intensity can be effectively reduced, the productivity is improved, and automatic production is realized.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a mill automatic unloading equipment of going up of machine of beating which characterized in that: comprises a material conveying device (100) and a material taking manipulator (200) arranged on one side of the conveying direction of the material conveying device (100);
the material conveying device (100) comprises a belt conveying mechanism (120) and a positioning control mechanism (130) positioned on the belt conveying mechanism (120); the belt conveying mechanism (120) is used for conveying workpieces, and is provided with a material taking position (122) in the conveying direction, the upper side of the material taking position (122) along the conveying direction is a region to be processed, and the lower side of the material taking position is a finished product region; the positioning control mechanism (130) is used for controlling the workpieces vertically placed in the area to be processed to be placed upside down and sent to the material taking position (122) one by one;
the material taking manipulator (200) is used for grabbing the workpiece to be processed on the material taking position (122) of the belt conveying mechanism (120) and sending the workpiece to the milling machine, or sending the workpiece processed in the milling machine back to the material taking position (122) of the belt conveying mechanism (120).
2. The automatic feeding and discharging equipment of the milling and hammering machine as claimed in claim 1, is characterized in that: the positioning control mechanism (130) comprises a brake assembly (131), a feeding inductive switch (132), a falling rod (133) and a feeding inductive switch (134) which are positioned in a to-be-processed area of the belt conveying mechanism (120); the feeding induction switch (132) is used for inducing incoming materials; the brake component (131) controls to allow a single workpiece to be conveyed forwards according to the incoming material information of the feeding induction switch (132) and prevent other workpieces from being conveyed forwards continuously; the reversing rod (133) is arranged above the conveying direction of the belt conveying mechanism (120), is positioned between the brake assembly (131) and the material taking position (122), and is lower than the height of a workpiece standing on the conveying surface from the conveying surface; the material sensing switch (134) is located between the placing rod (133) and the material taking position (122), is arranged close to the material taking position (122), and is used for sensing a workpiece to enter the material taking position (122).
3. The automatic feeding and discharging equipment of the milling and hammering machine as claimed in claim 2, wherein: the belt conveying mechanism (120) comprises a conveying frame and a conveying belt (121) arranged on the conveying frame through a belt wheel; the positioning control mechanism (130) is arranged on one side of the conveying frame along the conveying direction of the conveying belt (121).
4. The automatic feeding and discharging equipment of the milling and hammering machine as claimed in claim 2, wherein: the brake assembly (131) comprises a brake support (1311) arranged on the belt conveying mechanism (120), a brake cylinder (1312) and a brake block (1313) arranged on the brake support (1311), and the brake cylinder (1312) is in driving connection with the brake block (1313); the brake block (1313) is provided with a block end (1314) which can be inserted between two adjacent workpieces; the brake block (1313) is provided with a roller towards one side of the material taking position (122), and the roller is supported on the side wall of the brake support (1311) in a rolling mode.
5. The automatic feeding and discharging equipment of the milling and hammering machine as claimed in claim 4, wherein: the positioning control mechanism (130) further comprises a positioning cylinder (135) and a discharging inductive switch (136) which are located in a finished product area of the belt conveying mechanism (120), the positioning cylinder (135) is close to the material taking position (122), and the material inductive switch (136) is far away from the material taking position (122).
6. The automatic feeding and discharging equipment of the milling and hammering machine as claimed in claim 1, is characterized in that: the material taking manipulator (200) comprises a box frame (210), a main shaft (220), a rotating arm (230), a material taking shaft (240) and a clamping jaw part (250); the main shaft (220) is supported and installed on the box frame (210) through a bearing, and one end of the main shaft is in transmission connection with a rotary driving piece (270) installed on the box frame (210); one end of the rotating arm (230) is fixedly connected with the other end of the main shaft (220), and the other end of the rotating arm is rotatably connected with one end of the material taking shaft (240); the other end of the material taking shaft (240) is provided with a clamping jaw part (250); the material taking shaft (240) is parallel to the rotation axis of the main shaft (220) and is positioned in a horizontal plane.
7. The automatic feeding and discharging equipment of the milling and hammering machine as claimed in claim 6, wherein: the material extraction robot (200) further comprises a synchronization assembly (260); the main shaft (220) is arranged in a supporting sleeve (211) through a bearing, the supporting sleeve (211) is fixed on the box frame (210), and the end part of the main shaft (220) extends out of the supporting sleeve (211) and then is connected with the rotating arm (230); the synchronous assembly (260) comprises two synchronous wheels (261) and a synchronous belt (262) sleeved between the two synchronous wheels (261); one of the two synchronizing wheels (261) is fixedly sleeved on the supporting sleeve (211), and the other one is fixedly sleeved on the material taking shaft (240).
8. The automatic feeding and discharging equipment of the milling and hammering machine as claimed in claim 6, wherein: the clamping jaw part (250) comprises a pneumatic finger (251) and two pairs of clamping jaws (252), the pneumatic finger (251) is connected with the material taking shaft (240) through a connecting seat (254), and the pneumatic finger (251) is in driving connection with the two pairs of clamping jaws (252); and a material taking induction switch (280) is arranged on the pneumatic finger (251) corresponding to the position where the clamping jaw (252) clamps the material.
9. The use method of the automatic loading and unloading equipment of the milling machine as claimed in claim 5, wherein the loading and unloading operation during the milling machine processing is adopted for the shaft member, and the operation steps are as follows:
erecting a plurality of workpieces to be processed, and placing the workpieces side by side on a belt conveying mechanism (120) of a material conveying device (100) and in front of a positioning control mechanism (130);
when the workpiece is conveyed to the position of the feeding inductive switch (132) and one workpiece passes through, the feeding inductive switch (132) generates an inductive signal, the control system receives the inductive signal and controls the brake cylinder (1312) to drive the brake block (1313) to extend out, and the workpiece is inserted between the workpiece which just passes through and the adjacent workpiece behind the workpiece to block the subsequent workpiece from continuing to advance;
the belt conveying mechanism (120) drives the workpieces passing through the feeding induction switch (132) to continue to advance, and when the workpieces are conveyed to the position of the reversing rod (133), the workpieces are blocked, fall down and continue to be conveyed forwards;
when the fallen workpiece is conveyed to the position of the material sensing switch (134), sensing is carried out, the belt conveying mechanism (120) stops acting, the material taking manipulator (200) acts and is positioned above a material taking position (122) of the belt conveying mechanism (120) to prepare for material taking;
after the material taking manipulator (200) is prepared, the belt conveying mechanism (120) acts to convey the workpiece to a material taking position (122), and the workpiece is limited and positioned by the extended positioning cylinder (135); a material taking manipulator (200) grabs the workpiece and sends the workpiece to a milling machine for processing;
grabbing the workpiece processed by the milling machine by a material taking manipulator (200) to take back the material taking position (122);
seventhly, retracting the positioning cylinder (135), driving the processed workpiece to enter a finished product area by the belt conveying mechanism (120), and sensing by the discharging sensing switch (136) to complete the processing of one workpiece;
repeating the steps to continuously process the workpiece.
10. The use of the automatic loading and unloading equipment of the milling machine as claimed in any one of claims 1 to 8 in the processing of the rotating shaft of the washing machine, which is used for the automatic loading and unloading operation of the milling machine in the processing of milling the end face and drilling the central hole of the rotating shaft of the washing machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910965749.2A CN110625424A (en) | 2019-10-12 | 2019-10-12 | Automatic feeding and discharging equipment of milling machine and use method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910965749.2A CN110625424A (en) | 2019-10-12 | 2019-10-12 | Automatic feeding and discharging equipment of milling machine and use method and application thereof |
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| CN110625424A true CN110625424A (en) | 2019-12-31 |
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