CN111546076B

CN111546076B - A rotary workpiece production line

Info

Publication number: CN111546076B
Application number: CN202010480608.4A
Authority: CN
Inventors: 刘永水; 房信强; 车纯胜
Original assignee: Shandong Hengtong Machinery Technology Co ltd; Shandong Hanye Machinery Co ltd
Current assignee: Shandong Hengtong Machinery Technology Co ltd; Shandong Hanye Machinery Co ltd
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2025-01-07
Anticipated expiration: 2040-05-30
Also published as: CN111546076A

Abstract

A rotary workpiece production line belongs to the technical field of column head processing equipment. It includes a drilling device and a lathe processing device, and is characterized in that it also includes a material dividing device (4), which is arranged between the drilling device and the lathe processing device. At least two lathe processing devices are arranged side by side. The material dividing device (4) is connected to the lathe processing device and distributes workpieces (14) to the corresponding lathe processing devices. At least two lathe processing devices are arranged in the rotary workpiece production line, so that at least two workpieces can be processed at the same time, and two workpieces of different models can be processed separately. The material dividing device can divide the materials for the lathe processing device, thereby realizing the automatic processing of the column head, greatly improving the processing efficiency, and can adjust the model of the processed workpiece according to the needs, which well meets the production needs.

Description

Rotary workpiece production line

Technical Field

A rotary workpiece production line belongs to the technical field of column head processing equipment.

Background

The single hydraulic prop consists of a cylinder body, a movable prop, a valve and other parts. The three-purpose valve is a heart of an external injection type single hydraulic prop and consists of a one-way valve, an unloading valve, a safety valve and the like. The check valve supplies the hydraulic prop to supply liquid, and the unloading valve supplies the hydraulic prop to unload the back post usefulness, and the relief valve guarantees that the hydraulic prop has the constant resistance characteristic. The three-way valve is typically mounted in a valve bore of the column head, which also serves as a cylinder bore connecting the three-way valve to the hydraulic prop, and thus is an important component of the single hydraulic prop. In order to improve the processing efficiency of the column head, the column head is usually processed through a production line, but the existing production line has lower processing efficiency due to complex processing technology of the column head, and the column head with the same model can be produced when the column head is reprocessed, so that the production requirement is difficult to meet.

Disclosure of Invention

The invention aims to solve the technical problems of overcoming the defects of the prior art and providing a rotary workpiece production line which can realize automatic material distribution, independently work a plurality of lathe processing devices and has high processing efficiency.

The technical scheme includes that the rotary workpiece production line comprises a drilling device and a lathe machining device, and is characterized by further comprising a material distributing device, wherein the material distributing device is arranged between the drilling device and the lathe machining device, at least two lathe machining devices are arranged side by side, and the material distributing device is connected with the lathe machining devices and distributes workpieces for the corresponding lathe machining devices.

Preferably, the drilling device comprises a transverse hole drilling device and a valve hole machining device, wherein the transverse hole drilling device is arranged at the feeding end of the material distributing device, and the valve hole machining device is arranged at the discharging end of the lathe machining device.

Preferably, the transverse hole drilling device comprises a transverse hole drilling fixture and transverse hole drilling spindle boxes arranged on two sides of the transverse hole drilling fixture, and a drill bit is arranged on a spindle of each transverse hole drilling spindle box.

Preferably, the transverse drilling clamp comprises a drilling bracket and a pressing oil cylinder, wherein the upper part of the drilling bracket is provided with a drilling positioning groove with a concave middle part, the drilling positioning groove is tapered gradually widened from bottom to top, the pressing oil cylinder is connected with a drilling pressing frame, and the drilling pressing frame is arranged on the upper side of the drilling bracket.

Preferably, the valve hole machining device comprises a rotating device, a valve hole drilling device, a tool rest and a rolling device, wherein the rotating device is provided with a valve hole drilling clamp, the rotating device is connected with a z-axis moving device and an x-axis moving device, and the valve hole drilling device, the tool rest and the rolling device are arranged side by side along the x-axis direction.

Preferably, at least two rotating devices are arranged side by side, and the z-axis moving devices are in one-to-one correspondence with the rotating devices and are connected with the corresponding rotating devices.

Preferably, the lathe machining device comprises an outer circle lathe, a drilling lathe and an end surface lathe which are sequentially arranged.

Preferably, the device further comprises a hook welding device arranged at the output end of the lathe processing device.

Preferably, the hook welding device comprises a welding pressure head and a welding fixture, wherein the welding pressure head is opposite to the welding fixture, a hook positioning groove is formed in the welding pressure head and faces the workpiece fixture, a hook fixing part is arranged on one side of the hook positioning groove, and the welding pressure head is connected with a power device for pushing the welding pressure head to reciprocate in the direction close to or far away from the welding fixture.

Preferably, two hook fixing blocks are arranged at intervals on one side of the welding pressure head, facing the welding fixture, to form the hook positioning groove.

Compared with the prior art, the invention has the following beneficial effects:

1. this turning type work piece production line's lathe processingequipment sets up two at least to can process two at least work pieces simultaneously, also can process the different work pieces of two kinds of models respectively, feed divider can divide the material for lathe processingequipment, thereby has realized the automatic processing of column cap, and machining efficiency improves greatly, and can adjust the model of the work piece of processing as required, fine demand that has satisfied production.

2. The transverse hole drilling device can process transverse holes on two ends of a workpiece in the axial direction, the valve hole processing device can process a valve hole for installing a three-purpose valve, and the valve hole is processed after the lathe processing device, so that the accuracy of valve hole processing is guaranteed.

3. The transverse hole drilling main shaft box is provided with two transverse hole drilling clamps, so that holes can be drilled from two ends of a workpiece simultaneously, the drilling efficiency is high, the transverse hole drilling clamps are matched, and the transverse hole drilling accuracy at two ends is high.

4. The drilling positioning groove can position the workpiece, the compressing oil cylinder pushes the drilling compressing frame to swing and compress the workpiece, the workpiece is convenient to clamp and unclamp, and further feeding and taking down of the workpiece are facilitated.

5. The rotary device is provided with the valve hole drilling clamp, so that the workpiece can be driven to rotate, the z-axis moving device and the x-axis moving device drive the rotary device to move, the rotary device is matched with the drilling device, the tool rest and the rolling device in sequence, the valve hole drilling, the valve hole turning and the rolling operation of the workpiece are sequentially completed, the assembly error is eliminated, the machining precision of the valve hole of the workpiece is greatly improved, the quality of the workpiece is stable, and the product qualification rate is high.

6. The two rotating devices are arranged side by side, the z-axis moving devices are in one-to-one correspondence with the rotating devices, the other rotating device can finish workpiece clamping when one rotating device is used for machining, the working efficiency is improved, one or only one x-axis moving device can drive the two rotating devices to move at the same time, and machining of workpieces on the rotating devices is realized one by one.

7. The lathe machining device sequentially completes excircle turning of a workpiece, turning of a transverse hole and turning of an end face, and is high in turning speed and small in turning error.

8. The hook welding device can automatically finish the welding of the hooks, so that the automation degree of the whole production line is greatly improved.

9. The welding fixture can position and clamp the column head, the hook positioning groove can position the hook, feeding of the hook is facilitated, the hook fixing portion can fix the hook positioned in the hook positioning groove, the power device pushes the welding press head to move, welding between the column head and the hook is completed, automatic welding is achieved, welding quality is not affected by operators, and welding quality is stable.

10. The two hook fixing blocks are arranged at intervals to form a hook positioning groove, so that the width of the hook positioning groove can be conveniently adjusted to adapt to welding of hooks and column heads of different types.

Drawings

Fig. 1 is a schematic top view of a rotary workpiece production line.

Fig. 2 is a schematic front view of the silo.

Fig. 3 is a left-hand schematic view of the bin positioning device.

Fig. 4 is a schematic front view of the blocking device.

Fig. 5 is a schematic front view of a cross-hole drilling apparatus.

Fig. 6 is a schematic left-hand view of the cross-hole drilling apparatus.

Fig. 7 is a schematic front view of the distributing device.

Fig. 8 is a schematic top view of the dispensing device.

Fig. 9 is a schematic left view of the dispensing device.

Fig. 10 is a schematic front view of the valve hole machining apparatus.

Fig. 11 is a left side schematic view of the valve hole machining apparatus.

Fig. 12 is a schematic front view of a manipulator.

Fig. 13 is a schematic front view of a robot jaw installation.

Fig. 14 is a left side schematic view of a robot jaw installation.

Fig. 15 is a schematic front view of a welding apparatus.

Fig. 16 is a left side schematic view of a welding apparatus.

Fig. 17 is an enlarged view of the arrangement at a in fig. 16.

Fig. 18 is a schematic front cross-sectional view of a welding ram.

In the figure: 1, lifting device 2, bin 3, horizontal hole drilling device 4, distributing device 5, manipulator 6, outer lathe 7, drilling lathe 8, end lathe 9, valve hole machining device 10, hook welding device 11, drilling frame 12, horizontal hole drilling headstock 13, horizontal hole drilling jig 14, workpiece 15, drilling bracket 16, drilling hold-down frame 1601, drilling hold-down 17, hold-down cylinder 18, bin frame 19, conveying groove 20, pushing cylinder 21, bin support plate 22, bin centering cylinder 23, bin positioning plate 24, bin adjusting block 25, bin connecting plate 26, conveying plate 27, bin guide rod 28, shutter cylinder 29, shutter mounting plate 30, shutter 31, distributing frame 32, distributing positioning device 33, conveying frame 34, conveying motor 35, distributing centering cylinder 36 the material distributing and jacking block 37, the material distributing and positioning frame 38, the material distributing and positioning plate 39, the material distributing and adjusting block 40, the valve hole processing frame 41, the upright post 42, the rolling lifting cylinder 43, the rolling cutter bar 44, the air blowing pipe 45, the air blowing cylinder 46, the cutter frame 47, the hydraulic chuck 48, the claw 49, the valve hole drilling motor 50, the valve hole drilling gearbox 51, the z-axis motor 52, the x-axis motor 53, the manipulator translation frame 54, the manipulator lifting frame 55, the manipulator mounting frame 56, the manipulator clamping cylinder 57, the manipulator clamping plate 5701, the clamping plate clamping part 58, the manipulator lifting guide rail 59, the manipulator lifting cylinder 60, the buffer guide rod 61, the buffer spring 62, the manipulator connecting plate 63, the welding frame 64, the welding cylinder 65, the welding lifting frame 66, the welding pressure head 67, couple loading attachment 68, welding splint 69, work piece propulsion cylinder 70, welding clamp cylinder 71, welding locating piece 72, welding translation frame 73, material loading translation frame 74, couple loading cylinder 75, feed bin translation cylinder 76, feed bin guide bar 77, feed bin hold down spring 78, feed bin clamp plate 79, couple 80, feed bin baffle 81, feed piece 82, ram body 83, couple fixed block 84, couple fixed magnet 85, couple constant head tank.

Detailed Description

Fig. 1 to 18 are preferred embodiments of the present invention, and the present invention is further described with reference to fig. 1 to 18.

The utility model provides a gyration class work piece production line, includes drilling equipment and lathe processingequipment, still includes feed divider 4, and feed divider 4 sets up between drilling equipment and lathe processingequipment, and lathe processingequipment is provided with two at least side by side, and feed divider 4 links to each other with lathe processingequipment to for the work piece 14 is distributed to corresponding lathe processingequipment. The lathe processing device of the rotary workpiece production line is provided with at least two workpieces 14, so that at least two workpieces 14 can be processed simultaneously, and workpieces 14 with different types can be processed respectively, and the material separating device 4 can separate materials for the lathe processing device, so that automatic processing of a column head is realized, the processing efficiency is greatly improved, the types of the processed workpieces 14 can be adjusted according to the needs, and the production needs are well met.

The present application will be further described with reference to specific embodiments, however, it will be appreciated by those skilled in the art that the detailed description herein with reference to the accompanying drawings is for better illustration, and that the application is not necessarily limited to such embodiments, but rather is intended to cover various equivalent alternatives or modifications, as may be readily apparent to those skilled in the art.

Specifically, as shown in fig. 1, the drilling device comprises a transverse hole drilling device 3 and a valve hole machining device 9, wherein the transverse hole drilling device 3 is arranged at the feeding end of the material distributing device 4, the lathe machining device is connected with the discharging end of the material distributing device 4, and the valve hole machining device 9 is arranged at the discharging end of the lathe machining device, so that the workpiece 14 is machined. The lathe machining device comprises an outer circle lathe 6, a drilling lathe 7 and an end surface lathe 8 which are sequentially arranged, so that outer circle turning, transverse hole turning and end surface turning of a workpiece 14 are sequentially completed. At least two lathe work devices are provided, and in this embodiment, three lathe work devices are provided. The valve hole machining devices 9 are in one-to-one correspondence with the lathe machining devices and are arranged at the discharge ends of the corresponding lathe machining devices. The cross hole drilling device 3 has one and only one.

This gyration class work piece production line still includes hoisting device 1, feed bin 2, couple welding set 10 and manipulator 5, and hoisting device 1 and feed bin 2 all set up the feed end at horizontal hole drilling equipment 3, and feed bin 2 sets up between hoisting device 1 and horizontal hole drilling equipment 3, couple welding set 10 and valve opening processingequipment 9 one-to-one to set up the discharge end at corresponding valve opening processingequipment 9. The manipulators 5 are provided on the lathe work devices side in one-to-one correspondence with the lathe work devices.

The structures of the lifting device 1, the outer circle lathe 6, the drilling lathe 7 and the end surface lathe 8 are the same as those of the corresponding devices in the application document with the application number 201811074890.5, and are not described herein.

As shown in fig. 2, the bin 2 comprises a bin positioning device and conveying grooves 19 arranged on two sides of the bin positioning device, the output ends of the conveying grooves 19 are arranged in butt joint with the bin positioning device, the output ends of the conveying grooves 19 are obliquely arranged lower than the input ends, and the output ends of the conveying grooves 19 are all provided with blocking devices. The conveyer grooves 19 on two sides of the bin positioning device of the bin 2 simultaneously convey the workpieces 14 into the bin positioning device, the blocking device can block the workpieces 14, so that only one workpiece 14 enters the bin positioning device for positioning each time, the follow-up manipulator 5 can conveniently and accurately grasp and finish feeding, the two conveyer grooves 19 are used for storing materials, more materials are stored, the workpieces 14 on the bin positioning device can be guaranteed to be sufficiently conveyed, the conveyer grooves 19 on two sides are used for alternately feeding, the feeding speed is high, the feeding speed is greatly improved, and the feeding requirements of a plurality of production lines can be simultaneously met.

The feed bin 2 still includes feed bin frame 18, and feed bin positioner and conveyer trough 19 all set up at the top of feed bin frame 18, and feed bin positioner sets up in the middle part of feed bin frame 18, and conveyer trough 9 has two of symmetry setting in feed bin positioner both sides, and the discharge end of conveyer trough 19 is close to feed bin positioner setting, and the discharge end of conveyer trough 19 and the feed inlet butt joint of feed bin positioner corresponding side to carry work piece 14 to in the feed bin positioner.

The output end of each conveying groove 19 is obliquely arranged lower than the input end, so that the workpieces 14 can roll into the bin positioning device under the action of gravity, and the output end of each conveying groove 19 is provided with a blocking device, so that only one workpiece 14 enters the bin positioning device at a time.

The conveying groove 19 comprises a conveying plate 26 and bin guide rods 27, the bin guide rods 27 are symmetrically arranged on two sides of the conveying plate 26 and encircle the conveying plate 26 to form the conveying groove 19 with an upward opening, and the bin guide rods 27 can guide the workpiece 14 to avoid the workpiece 14 from sliding out of the conveying plate 26.

The input of every conveyer trough 19 all is provided with blevile of push, and blevile of push includes pushing away material cylinder 20, and pushing away material cylinder 20 level sets up, and pushing away material cylinder 20 installs the input at the conveyer trough 19 of corresponding side, and pushing away the piston rod of material cylinder 20 and setting up towards the middle part of conveyer trough 19, pushing away material cylinder 20 can push workpiece 14 to in the conveyer trough 19, avoids workpiece 14 to pile up the input at conveyer trough 19.

As shown in fig. 3-4, the bin positioning device comprises a centering device, wherein a vertical bin supporting plate 21 is arranged in the middle of the centering device, the bin supporting plates 21 are vertically arranged, at least two bin supporting plates 21 are arranged in parallel and at intervals, in the embodiment, two bin supporting plates 21 are arranged in parallel and at intervals, a bin connecting plate 25 is arranged between the two bin supporting plates 21, the bin connecting plate 25 is horizontally arranged, and two sides of the bin connecting plate 25 are respectively fixedly connected with the middle parts of the bin supporting plates 21 on corresponding sides. Every lump material storehouse carrier plate 21's upside middle part is all indent, forms the feed bin constant head tank, and the both sides of feed bin constant head tank are slope form, make the feed bin constant head tank for by the toper of supreme widening gradually down, conveniently fix a position work piece 14 to can fix a position work piece 14 of different diameters, the location is more accurate, can not press from both sides the work piece 14 to get the manipulator moreover and cause the hindrance. The centering devices are arranged on two sides of the bin positioning groove.

The centering device comprises a bin centering cylinder 22 and a bin positioning plate 23, wherein the bin positioning plate 23 and the bin centering cylinder 22 are respectively arranged on two sides of a bin positioning groove, the bin positioning plate 23 is vertically arranged, the upper side of the bin positioning plate 23 is higher than the bin positioning groove, the lower side of the bin positioning plate 23 is fixedly connected with a bin frame 18, and a reinforcing rib is arranged on one side, far away from the bin positioning groove, of the bin positioning plate 23, so that the bin positioning plate 23 is prevented from deforming, and centering of a workpiece 14 is prevented from being influenced. The bin centering cylinder 22 is horizontally arranged, the bin centering cylinder 22 is arranged on the bin frame 18, a piston rod of the bin centering cylinder 22 faces the bin positioning groove, the bin centering cylinder 22 and the bin positioning plate 23 are arranged right opposite to each other, the workpiece 14 in the bin positioning groove is pushed to be pressed against the bin positioning plate 23, centering of the workpiece 14 is completed, and the manipulator is ensured to accurately clamp the workpiece 14.

The bin locating plate 23 and the bin supporting plate 21 on the corresponding side are arranged at intervals, the bin locating plate 23 is detachably provided with the bin adjusting block 24, the bin adjusting block 24 is arranged on one side, close to the bin centering cylinder 22, of the bin locating plate 23, and the workpieces 14 with different lengths can be located by adjusting the bin adjusting block 24, so that the positioning is convenient. The piston rod of the bin centering cylinder 22 is provided with a bin pushing block, so that the workpiece 14 can be conveniently and accurately pushed, and the workpiece 14 can be reliably centered.

The blocking device comprises a flashboard 30 and a flashboard cylinder 28, the flashboard cylinder 28 is arranged on one side of the corresponding conveying groove 19, a flashboard mounting plate 29 is arranged on one side of the conveying groove 19, the flashboard 30 is slidably mounted on the flashboard mounting plate 29, the sliding direction of the flashboard 30 is perpendicular to the conveying groove 19 on the corresponding side, the flashboard cylinder 28 is mounted on the side part of the conveying groove 19, and the flashboard cylinder 28 is perpendicular to the conveying groove 19 on the corresponding side, so that the effect of blocking the workpiece 14 from sliding downwards can be realized, and the workpieces 14 can enter the bin positioning device one by one.

The flashboard 30 is arranged vertically parallel to the conveying direction of the conveying groove 19, the flashboard 30 is arranged in the conveying groove 19 on the corresponding side, and the bottom of the flashboard 30 is gradually upwards arc-shaped along the direction close to the bin positioning device, so that one workpiece 14 can be released each time, the mutual interference with the workpiece 14 is avoided, the blocking of the workpiece 14 is influenced, and the whole equipment is stable in operation.

When the bin 2 is used, the workpiece 14 is placed in the conveying grooves 19 on the two sides, the blocking device releases one workpiece 14 each time, the blocking device is enabled to enter the bin positioning grooves to complete radial positioning, the bin centering cylinder 22 and the bin positioning plate 23 are matched to realize axial centering, accurate grabbing of the mechanical arm 5 is facilitated, more workpieces 14 can be stored in the conveying grooves 19 on the two sides, the workpieces 14 are alternately placed in the bin positioning device by the conveying grooves 19 on the two sides, the workpiece 14 is guaranteed to be conveyed fast, the positioning speed is fast, and the requirements of a plurality of production lines can be met simultaneously.

As shown in fig. 5-6, the transverse hole drilling device 3 comprises transverse hole drilling jigs 13 and transverse hole drilling headstocks 12 arranged on two sides of the transverse hole drilling jigs 13, drill bits are arranged on spindles of the transverse hole drilling headstocks 12, the transverse hole drilling jigs 13 and the transverse hole drilling headstocks 12 are arranged on a drilling frame 11, the transverse hole drilling jigs 13 are arranged in the middle of the drilling frame, the transverse hole drilling headstocks 12 are symmetrically arranged on two sides of the transverse hole drilling jigs 13, transverse hole drilling motors connected with the transverse hole drilling headstocks 12 are arranged on the upper sides of each transverse hole drilling headstock 12, and drill bits are arranged on spindles of the transverse hole drilling headstocks 12, so that drilling of transverse holes on two ends of a workpiece 14 is achieved.

The transverse hole drilling fixture comprises a drilling bracket 15 and a pressing oil cylinder 17, wherein a drilling positioning groove with a concave middle part is formed in the upper part of the drilling bracket 15, the drilling positioning groove is tapered gradually widened from bottom to top, and workpiece positioning magnets are arranged on two sides of the drilling positioning groove, so that the positioning of a workpiece 14 is realized. The compaction cylinder 17 is connected with a drill hole compaction frame 16, and the drill hole compaction frame 16 is arranged on the upper side of the drill hole bracket 15.

The middle part of the drilling compaction frame 16 is rotatably arranged on the drilling frame 11 to form a lever mechanism, the compaction oil cylinder 17 is vertically arranged on the drilling frame 11, one end of the drilling compaction frame 16 is rotatably connected with a piston rod of the compaction oil cylinder 17, the other end of the drilling compaction frame is provided with a drilling compaction part 1601, the compaction oil cylinder 17 pushes the drilling compaction frame 16 to swing, and the compaction of the workpiece 14 is realized through the drilling compaction part 1601 of the drilling compaction frame 16, so that the compaction reliability of the workpiece 14 is ensured.

As shown in fig. 7-9, the material distributing device 4 comprises a material distributing and positioning device 32 and a conveying device, at least two material distributing and positioning devices 32 are arranged along the conveying device, a containing part for containing the workpiece 14 is arranged on the conveying device, and a positioning part for positioning the workpiece 14 is arranged on the material distributing and positioning device 32. The distributing and positioning device 32 is provided with at least two along the conveying device, so that the conveying device can simultaneously distribute materials for at least two production lines, the distributing and positioning device 32 positions conveyed workpieces through the positioning parts, so that the mechanical arm 5 can accurately clamp the workpieces 14, further, accurate feeding of the mechanical arm 5 is realized, the mechanical arm 5 only needs to transfer the corresponding workpieces on the distributing and positioning device 32 to a corresponding machine tool, the actions of the mechanical arm 5 are reduced, mutual interference between the mechanical arms 5 is avoided, and feeding accuracy and stability of the mechanical arm 5 are guaranteed.

The conveying device is mounted on the material distributing frame 31, the conveying device is horizontally arranged, at least two material distributing and positioning devices 32 are arranged along the conveying direction of the conveying device, in the embodiment, three material distributing and positioning devices 32 are arranged, and the three material distributing and positioning devices 32 are uniformly distributed along the conveying direction of the conveying device at intervals.

The conveying device comprises a conveying frame 33 and a pushing device, horizontal material distributing and conveying guide rails are arranged on the upper side of the material distributing frame 31, the two material distributing and conveying guide rails are arranged in parallel and at intervals, the conveying frame 33 is arranged on the upper side of the material distributing and conveying guide rails, and two sides of the conveying frame 33 are respectively connected with the material distributing and conveying guide rails on the corresponding sides in a sliding mode, so that linear movement of the conveying frame 33 is achieved.

The middle part of the upper side of the conveying frame 33 is provided with a semi-cylindrical groove with a concave middle part, a containing part is formed, the axis of the containing part is horizontally arranged, and the axis of the containing part is perpendicular to the moving direction of the conveying frame 33, so that the workpiece 14 can be received and conveyed to the designated distributing and positioning device 32. Openings for facilitating the manipulator to grasp the workpiece 14 are symmetrically arranged on both sides of the accommodating portion.

The pushing device comprises a conveying motor 34 and a synchronous belt, synchronous pulleys are mounted at two ends of the material separating frame 31, the conveying motor 34 is mounted at any one end of the material separating frame 31, an output shaft of the conveying motor 34 is connected with the synchronous pulleys at the corresponding sides and drives the synchronous pulleys to rotate, and the conveying motor 34 is a servo motor, so that accurate conveying of the conveying frame 33 is achieved. The pushing device can also be an electric push rod.

The material distributing and positioning device 32 comprises a material distributing and positioning frame 37 and a material ejecting device, wherein the material ejecting device and the material distributing and positioning frame 37 are arranged on two sides of the material distributing and positioning frame 31, a semi-cylindrical material distributing and positioning groove with a concave middle part is formed in the upper side of the material distributing and positioning frame 37, and the axis of the material distributing and positioning groove is parallel to the axis of the containing part and is arranged on the same horizontal plane. Openings for clamping the workpiece 14 by the mechanical arm 5 are arranged on two sides of the material distributing and positioning groove. The material ejection device is arranged opposite to the material distribution positioning groove. One side of the material distributing and positioning frame 37 far away from the material ejecting device is provided with a vertical material distributing and positioning plate 38, and the material distributing and positioning plate 38 is vertically arranged and surrounds a positioning part with a positioning groove.

The material distributing and positioning plate 38 and the material distributing and positioning frame 37 are arranged at intervals, a material distributing and positioning block 39 is detachably arranged on one side, close to the material distributing and positioning frame 37, of the material distributing and positioning plate 38, the material distributing and positioning block 39 and the material distributing and positioning groove are arranged opposite to each other, and the material distributing and positioning frame 37 can adapt to the positioning of workpieces 14 with different lengths through the material distributing and positioning block 39, so that the application range is wide.

The liftout device is a material distribution centering cylinder 35, the material distribution centering cylinder 35 is horizontally arranged on the material distribution frame 31, a piston rod of the material distribution centering cylinder 35 is arranged towards the material distribution positioning frame 37, the axis of the piston rod of the material distribution centering cylinder 35 is coaxially arranged with a material distribution positioning groove of the material distribution positioning frame 37, a material distribution liftout block 36 is arranged on the piston rod of the material distribution centering cylinder 35, and the material distribution centering cylinder 35 pushes the workpiece 14 on the conveying frame 33 into the material distribution positioning frame 37 through the material distribution liftout block 36. The material ejection device can also be an oil cylinder or an electric push rod.

When the material distributing device 4 is used, the cut workpiece 14 is placed on the conveying frame 33, the conveying motor 34 drives the conveying frame 33 to move between the corresponding material distributing and positioning frame 37 and the material distributing and centering cylinder 35, the material distributing and centering cylinder 35 acts, the workpiece 14 on the conveying frame 33 is pushed into the positioning groove on the material distributing and positioning frame 37 until the workpiece 14 is attached to the material distributing and adjusting block 39 on the material distributing and positioning plate 38, and the material distributing of the workpiece 14 is completed.

As shown in fig. 10 to 11, the valve hole machining device 9 comprises a turning device, a valve hole drilling device, a tool rest 46 and a rolling device, wherein the turning device is provided with a valve hole drilling fixture, the turning device is connected with a z-axis moving device and an x-axis moving device, and the drilling device, the tool rest 46 and the rolling device are arranged side by side along the x-axis direction. The rotary device of the valve hole machining device 9 is provided with a valve hole drilling clamp, so that the workpiece 14 can be driven to rotate, the z-axis moving device and the x-axis moving device drive the rotary device to move, the rotary device is sequentially matched with the drilling device, the tool rest 46 and the rolling device, the drilling, inner hole turning and rolling operation of the workpiece 14 are sequentially completed, the assembly error is eliminated, the machining precision of the valve hole of the workpiece 14 is greatly improved, the quality of the workpiece 14 is stable, and the product percent of pass is high.

The turning device is provided with two at least, in this embodiment, the turning device is provided with two side by side in the horizontal direction, and two turning devices interval sets up, and the turning device is installed on valve hole processing frame 40, and the turning device sets up in the upside of valve hole processing frame 40, and the anchor clamps of two turning devices set up towards same side. The drilling device, tool post 46 and rolling device are all in one-to-one correspondence with the turning devices and are disposed on the same side of the valve opening processing frame 40 as the corresponding turning devices.

The middle part of the valve hole processing frame 40 is provided with a vertical upright post 41, and the upright post 41 is arranged between the two rotary devices. The rolling device is arranged on the upright post 41, the upright post 41 is provided with an air blowing pipe 44, the air blowing pipe 44 is connected with an air compressor, and chips of drilling and turning can be blown away, so that the interference to rolling of a subsequent valve hole is avoided.

The x-axis moving devices are mounted on the valve hole processing frame 40, one of the x-axis moving devices is provided, the z-axis moving devices are in one-to-one correspondence with the rotating devices, and the two z-axis moving devices are mounted on the x-axis moving devices and synchronously move along with the x-axis moving devices. The x-axis moving device drives the z-axis moving device to horizontally move along the direction perpendicular to the rotating shaft of the rotating device, and the z-axis moving device drives the corresponding rotating device to horizontally move along the direction parallel to the rotating shaft of the rotating device.

The x-axis moving device comprises an x-axis motor 52 and an x-axis screw rod, an x-axis guide rail is mounted on the valve hole machining frame 40, the x-axis guide rail is horizontally arranged in the direction perpendicular to the rotating shaft, the x-axis guide rail is parallel and is arranged at intervals, an x-axis translation frame is arranged on the valve hole machining frame 40 and is in sliding connection with the x-axis guide rail, the x-axis screw rod is horizontally arranged in the direction perpendicular to the rotating shaft, two ends of the x-axis screw rod are rotatably mounted on the valve hole machining frame 40, nuts in threaded connection with the x-axis screw rod are arranged at the bottom of the x-axis translation frame, the x-axis motor 52 is mounted on the valve hole machining frame 40, and an output shaft of the x-axis motor 52 is connected with the x-axis screw rod and drives the x-axis screw rod to rotate, so that movement of the x-axis translation frame is realized.

The z-axis moving device comprises a z-axis motor 51 and a z-axis screw rod, the z-axis guide rails are horizontally arranged on the x-axis translation frame along the direction parallel to the rotating shafts, each rotating device corresponds to two z-axis guide rails, the rotating devices are slidably arranged on the two z-axis guide rails on the corresponding sides, the z-axis screw rod is rotatably arranged on the x-axis translation frame, nuts in threaded connection with the corresponding z-axis screw rods are arranged at the bottoms of the rotating devices, the z-axis motor 51 is arranged on the x-axis translation frame, and the z-axis motor 51 is connected with the corresponding z-axis screw rods and drives the z-axis screw rods to rotate.

The rolling device comprises a rolling lifting cylinder 42 and a rolling cutter bar 43, wherein rolling lifting frames are slidably arranged on two sides of the upright 41, vertical rolling guide rails are arranged on two sides of the upright 41, the rolling lifting frames are slidably arranged on the corresponding rolling guide rails, the rolling lifting cylinder 42 is vertically arranged, the rolling lifting cylinder 42 is arranged on the upright 41, and a piston rod of the rolling lifting cylinder 42 is connected with the corresponding rolling lifting frames and drives the rolling lifting frames to lift. The rolling cutter bar 43 is installed on the rolling lifter of the corresponding side and moves synchronously therewith, and the rolling cutter bar 43 is disposed parallel to the rotating shaft, so that rolling of the valve hole on the workpiece 14 of the corresponding side can be achieved.

The air blowing pipe 44 is installed on the upright 41, the center line of the air blowing pipe 44 and the rotating shaft are positioned on the same horizontal plane, and the air blowing pipe 44 and the corresponding rotating device are arranged on the same side of the upright 41. Each air blowing pipe 44 is connected with an air blowing cylinder 45, the air blowing cylinders 45 are arranged on the upright posts 41, the air blowing cylinders 45 are horizontally arranged, and piston rods of the air blowing cylinders 45 are connected with the air blowing pipes 44 and drive the air blowing pipes to move along the direction of approaching or separating from the drilling and valve hole clamps on the corresponding sides.

The rotary device comprises a drilling valve hole gear box 50 and a drilling valve hole motor 49, the bottom of the drilling valve hole gear box 50 is slidably arranged on a z-axis guide rail on the corresponding side, a nut in threaded connection with a z-axis screw on the corresponding side is arranged at the bottom of the drilling valve hole gear box 50, an output shaft of the drilling valve hole gear box 50 is horizontally arranged, a clamp is arranged on the output shaft of the drilling valve hole gear box 50, the drilling valve hole motor 49 is arranged on the upper side of the drilling valve hole gear box 50, and an output shaft of the drilling valve hole motor 49 is connected with an input end of the drilling valve hole gear box 50, so that rotary movement of the drilling valve hole clamp is realized.

The clamp for drilling the valve hole is a hydraulic chuck 47, the clamping jaw 48 of the hydraulic chuck 47 is a V-shaped clamping jaw, the workpiece 14 is a column head, and the workpiece 14 can be positioned when the workpiece 14 is clamped, so that the workpiece 14 is convenient to clamp.

The device for drilling the valve hole is a drill bit arranged at the upper end of the valve hole processing frame 40, the drill bit is detachably connected with the valve hole processing frame 40, and the axis of the drill bit is parallel to the rotating shaft and is positioned on the same horizontal plane with the rotating shaft, so that the drilling of the workpiece 14 is realized. Tool holder 46 is a servo tool holder, and tool holder 46 is disposed on the corresponding side of the valve hole drilling device. Tool rest 46 is slidably mounted on valve opening machining frame 40, and tool rest 46 is connected with a tool rest cylinder for pushing the tool rest cylinder to translate, and the tool rest cylinder is mounted on valve opening machining frame 40, and a piston rod of the tool rest cylinder is connected with tool rest 46 and pushes the tool rest cylinder to horizontally move along a direction perpendicular to a rotating shaft so as to adjust the position of tool rest 46, so that feeding of tool rest 46 is realized.

When the valve hole machining device works, the x-axis moving device drives the z-axis moving device to move, so that the workpiece 14 on the clamp is aligned with the valve hole drilling device on the corresponding side, and then the valve hole drilling motor 49 works to complete the punching of the workpiece 14. After the workpiece 14 is punched, the x-axis moving device drives the z-axis moving device to move, so that the workpiece 14 on the drilling fixture is aligned with the tool rest 46 on the corresponding side, and the tool rest 46 performs turning on the valve hole of the workpiece 14 under the cooperation of the z-axis moving device.

After turning is completed, the air blowing cylinder 45 drives the air blowing pipe 44 to align with the valve hole to blow away scraps, then the rolling lifting cylinder 42 drives the rolling cutter bar 43 to move downwards and align with the valve hole of the workpiece 14, and then rolling of the valve hole is realized under the cooperation of the z-axis moving device, so that the machining of the valve hole of the workpiece 14 is completed. The two stations of the valve hole machining device machine the workpiece 14 at the same time, and the machining efficiency is high.

As shown in fig. 12-14, the manipulator 5 comprises a manipulator translation device, a manipulator lifting device and a workpiece clamping jaw, wherein the manipulator lifting device is arranged on the manipulator translation device and moves horizontally along with the manipulator translation device, the workpiece clamping jaw is movably arranged on the manipulator lifting device, and a buffer device is arranged between the workpiece clamping jaw and the manipulator lifting device. The manipulator translation device is matched with the manipulator lifting device to drive the workpiece clamping jaw to move, so that automatic feeding of the workpiece 14 is realized, the workpiece clamping jaw is movably connected with the manipulator lifting device, a buffer device is arranged between the workpiece clamping jaw and the manipulator lifting device, the buffer device can play a role in buffering when the workpiece clamping jaw clamps the workpiece 14 to a clamp, the workpiece 14 and the clamp can be reliably attached, accurate positioning of the workpiece 14 is ensured, rigid collision between the workpiece 14 and the clamp is avoided, and damage to the workpiece 14 and the clamp is avoided.

The manipulator 5 further comprises a cross beam, the cross beam is horizontally arranged, the manipulator translation device is arranged on the cross beam, the manipulator lifting device is arranged on the manipulator translation device, at least two manipulator lifting devices are arranged, in the embodiment, the two manipulator lifting devices are connected with the manipulator translation device, and the manipulator translation device is driven to move horizontally synchronously. The workpiece clamping jaws are in one-to-one correspondence with the manipulator lifting devices and are movably arranged on the corresponding manipulator lifting devices, and a buffer device is arranged between each workpiece clamping jaw and the corresponding manipulator lifting device.

The manipulator translation device comprises a manipulator translation motor and a manipulator translation frame 53, a horizontal manipulator translation guide rail is arranged on one side of the cross beam, the manipulator translation frame 53 is slidably arranged on the manipulator translation guide rail, and the manipulator translation motor is arranged on the cross beam. The manipulator translation device further comprises a chain, the two ends of the cross beam are respectively and rotatably provided with chain wheels, the two ends of the chain are respectively meshed with the chain wheels at the corresponding ends, an output shaft of the manipulator translation motor is connected with any one of the chain wheels and drives the chain wheels to rotate, one side of the manipulator translation frame 53, which is connected with the chain, moves synchronously along with the chain, and the manipulator translation motor is a servo motor, so that the accurate movement of the manipulator translation frame 53 is realized.

The manipulator lifting device comprises a manipulator lifting cylinder 59, a manipulator lifting guide rail 58 and a manipulator lifting frame 54, wherein the manipulator lifting guide rail 58 is vertically arranged on the manipulator translation frame 53, the manipulator translation frame 53 is slidably arranged on the manipulator lifting guide rail 58, the manipulator lifting cylinder 59 is vertically arranged on the manipulator translation frame 53, and a piston rod of the manipulator lifting cylinder 59 is connected with the manipulator lifting frame 54 and pushes the manipulator lifting frame to linearly lift.

The workpiece clamping jaw is mounted on the manipulator lifting frame 54 through a manipulator mounting frame 55, the manipulator mounting frame 55 is in sliding connection with the manipulator lifting frame 54, and a buffer device is arranged between the manipulator mounting frame 55 and the manipulator lifting frame 54.

One side of the manipulator mounting frame 55 is provided with a limiting plate to form a limiting part, one side of the manipulator mounting frame 55 close to the limiting plate is provided with a manipulator connecting plate 62, the lower part of the manipulator connecting plate 62 is connected with the manipulator mounting frame 55, and the upper part is connected with the manipulator mounting frame 55 through a buffer device.

The buffer device comprises a buffer spring 61 and a buffer guide rod 60, one end of the buffer guide rod 60 is fixedly connected with the manipulator lifting frame 54, and the other end of the buffer guide rod is connected with the limiting plate. The manipulator connecting plate 62 is in sliding connection with the buffer guide rod 60, the buffer spring 61 is sleeved outside the buffer guide rod 60, the buffer spring 61 is arranged on one side, far away from the limiting plate, of the manipulator connecting plate 62, the buffer spring 61 is in a compressed state, one end of the buffer spring 61 is supported on the manipulator lifting frame 54, the other end of the buffer spring 61 is connected with the manipulator connecting plate 62, and the manipulator connecting plate 62 is pushed to press the limiting plate.

The manipulator lifting frame 54 is provided with a horizontal buffer guide rail, and the manipulator mounting frame 55 is slidably mounted on the manipulator lifting frame 54, so that the manipulator mounting frame 55 is ensured to linearly move.

The workpiece clamping jaw is installed on the manipulator mounting frame 55, the workpiece clamping jaw includes manipulator splint 57 and manipulator clamping cylinder 56, manipulator clamping cylinder 56 is installed on manipulator mounting frame 55, manipulator mounting frame 55 has two that parallel and interval set up, manipulator mounting frame 55 slidable mounting is in the downside of manipulator mounting frame 55, manipulator clamping cylinder 56 has two, the piston rod of every manipulator clamping cylinder 56 all links to each other with manipulator splint 57, and promote manipulator splint 57 translation, make two manipulator splints 57 remove to opposite direction in step, thereby realized opening and shutting of manipulator splint 57.

The manipulator clamping plate 57 is vertically arranged, the upper end of the manipulator clamping plate 57 is connected with a piston rod of a corresponding manipulator clamping cylinder 56, the lower end of the manipulator clamping plate 57 is provided with a clamping block, the clamping block is arranged between the two manipulator clamping plates 57, the middle of the clamping block is provided with an arc-shaped groove, the axis of the groove is horizontally arranged, the grooves of the two clamping blocks surround into a circular clamping part, and therefore a cylindrical workpiece 14 is clamped, the workpiece 14 is ensured to be horizontal after clamping, and then accurate feeding of the workpiece 14 is realized.

The working process of the manipulator 5 is that firstly, the workpiece 14 to be processed is clamped by the workpiece clamping jaw at the rear side, the manipulator translation device drives the two workpiece clamping jaws to move to the machine tool, then the workpiece 14 processed on the workpiece is clamped by the workpiece clamping jaw at the front side, and then the workpiece 14 to be processed is placed on the machine tool by the workpiece clamping jaw at the rear side.

When the workpiece 14 is placed on the fixture of the machine tool, the buffer device can ensure that the workpiece 14 is reliably attached to the fixture of the machine tool, so that the workpiece 14 can be accurately positioned, and the workpiece clamping jaw can be prevented from colliding with the machine tool due to incapability of stopping due to inertia.

As shown in fig. 15-16, the hook welding device 10 comprises a welding press head 66 and a welding fixture, the welding press head 66 is arranged opposite to the welding fixture, a hook positioning groove 85 is formed in the welding press head 66, the hook positioning groove 85 is arranged towards the welding fixture, a hook fixing part is arranged on one side of the hook positioning groove 85, and the welding press head 66 is connected with a power device for pushing the welding press head to reciprocate towards the direction approaching or far away from the welding fixture. The welding jig of couple welding set 10 can fix a position and press from both sides tightly the post, and couple constant head tank 85 can fix a position couple 79, has made things convenient for the material loading of couple 79, and couple fixed part can fix well in the couple constant head tank 85 couple 79 to power device promotes welding pressure head 66 motion to accomplish the welding between post head and the couple 79, realized automatic welding, welding quality does not receive operating personnel's influence, welding quality is stable.

The hook welding device 10 further comprises a welding translation device, a hook feeding device 67 and a welding frame 63, wherein the power device is arranged at the top of the welding frame 63, the welding press head 66 is arranged at the lower side of the power device, and the welding press head 66 is connected with the power device and vertically ascends and descends along with the power device. The welding jig is disposed directly below the welding ram 66, and the welding jig is mounted on a welding translation device that drives the welding jig to move horizontally in a direction toward or away from the welding ram 66, and the position of the workpiece 14 is adjusted. The middle part of the hook 79 is in an upward convex arc shape, and the hook 79 is formed by bending round steel bars.

The power device is a welding cylinder 64 which is vertically arranged, the welding cylinder 64 is vertically arranged, a piston rod of the welding cylinder 64 is downwards arranged, a welding lifting frame 65 is arranged on the piston rod of the welding cylinder 64, a welding pressure head 66 is arranged on the lower side of the welding lifting frame 65, and the upper part of the welding pressure head 66 is connected with the welding lifting frame 65 and synchronously lifts along with the welding lifting frame 65.

The welding translation device comprises a workpiece pushing cylinder 69 and a welding translation frame 72, a welding frame guide rail is arranged on the welding frame 63, the welding frame guide rail is horizontally arranged, the welding translation frame 72 is arranged on the lower side of the welding press head 66, the welding translation frame 72 is slidably mounted on the welding frame guide rail, the workpiece pushing cylinder 69 is horizontally mounted on the welding frame 63, a piston rod of the workpiece pushing cylinder 69 is connected with the welding translation frame 72 and pushes the piston rod to translate, and a welding fixture is mounted on the upper side of the welding translation frame 72. The welding translation device can push the welding fixture to move, so that the workpiece 14 can be conveniently taken down from the welding fixture, a new workpiece 14 can be placed on the welding fixture, and the hook 79 can be conveniently fed.

The welding fixture comprises a welding clamping cylinder 70 and welding clamping plates 68, wherein the welding clamping plates 68 are vertically arranged, the welding clamping plates 68 are parallel and are arranged at intervals, the welding clamping plates 68 are slidably arranged on a welding translation frame 72, the welding clamping cylinder 70 is arranged on the welding translation frame 72, the welding clamping cylinder 70 is connected with the two welding clamping plates 68 and pushes the two welding clamping plates 68 to synchronously move in opposite directions, so that the clamping of the workpiece 14 is realized, and the centering of the workpiece 14 can be realized.

The upper end of each welding clamping plate 68 is provided with a welding positioning block 71, the welding positioning blocks 71 are arranged between the two welding clamping plates 68, the welding positioning blocks 71 are arc-shaped grooves with concave middle parts, and the grooves of the two welding positioning blocks 71 are surrounded to form a circular clamping part, so that the clamping of the workpiece 14 can be realized, the positioning of the workpiece 14 can be realized, and the alignment of the workpiece 14 and the hooks 79 on the welding press head 66 is ensured. The welding positioning block 71 is supported by a conductive material, in this embodiment, the welding positioning block 71 is made of copper, and the welding positioning block 71 and the welding press head 66 are respectively connected with two poles of a power supply, so that welding between the column head and the hook 79 is realized.

As shown in fig. 17, the hook feeding device 67 includes a hook bin and a hook pushing device, the hook bin is disposed between the welding press head 66 and the hook pushing device, and a pressing portion for pressing the hook on a side close to the hook pushing device is disposed on one side of the hook bin. The hook pushing device pushes the hook 79 into the hook positioning groove 85, automatic feeding is achieved, the pressing part always presses the hook 79 on one side of the hook storage bin, which is close to the hook pushing device, so that continuous feeding of the hook 79 is achieved.

The hook feeding device 67 further comprises a bin translation device, the bin translation device is arranged on the welding frame 63, the hook bin is arranged on the bin translation device and horizontally moves along with the bin translation device, and the bin translation device is perpendicular to the moving direction of the welding translation device. The hook pushing device is arranged on the bin translation device, the hook bin is arranged between the welding press head 66 and the hook pushing device, and the hook pushing device is used for pushing hooks 79 in the hook bin onto the welding press head 66 one by one.

The feed bin translation device comprises a feed bin translation cylinder 75 and a feed bin translation frame 73, a feed bin translation guide rail is arranged on the welding frame 63, the feed bin translation frame 73 is arranged horizontally, the feed bin translation frame 73 is slidably arranged on the feed bin translation guide rail, the feed bin translation cylinder 75 is arranged on the welding frame 63, and a piston rod of the feed bin translation cylinder 75 is connected with the feed bin translation frame 73 and pushes the feed bin translation frame 73 to translate.

The feeding translation frame 73 upside is provided with feed bin clamp plate 78 and feed bin baffle 80, feed bin baffle 80 and feed bin clamp plate 78 all vertical setting, feed bin baffle 80 sets up in the one side that feed bin translation frame 73 is close to welding pressure head 66, feed bin clamp plate 78 slides and sets up on feed bin translation frame 73, feed bin clamp plate 78 is just to setting with feed bin baffle 80, feed bin baffle 80's both sides are provided with the couple pin to form the couple feed bin, the couple pin sets up with feed bin frame 73 interval, the both ends of couple 79 set up in couple pin downside, and lead couple 79 through the couple pin. The feeding translational frame 73 is provided with the bin compression spring 77, the bin compression spring 77 is in a compressed state, one end of the bin compression spring 77 is supported on the feeding translational frame 73, and the other end of the bin compression spring pushes the bin pressing plate 78 to move towards a direction close to the bin baffle 80, so that the hooks 79 always compress the bin baffle 80, and continuous feeding of the hooks 79 is facilitated.

One side of the bin pressing plate 78, which is far away from the bin baffle 80, is provided with a bin guide rod 76, one end of the bin guide rod 76 is fixedly connected with the bin pressing plate 78 and synchronously moves along with the bin pressing plate 78, the other end of the bin pressing plate is in sliding connection with the feeding translation frame 73, and the bin pressing spring 77 is sleeved outside the bin guide rod 76, so that the movement of pushing the bin pressing plate 78 by the bin pressing spring 77 can be prevented from being influenced by bending of the bin pressing spring 77.

The hook pushing mechanism comprises a hook feeding cylinder 74 and a feeding member 81, the hook feeding cylinder 74 is vertically arranged on the feeding translation frame 73, a piston rod of the hook feeding cylinder 74 is upwards arranged, the feeding member 81 is arranged on the piston rod of the hook feeding cylinder 74 and synchronously ascends and descends along with the piston rod, and the thickness of the feeding member 81 is equal to or smaller than the diameter of a reinforcing steel bar of the hook 79, so that the hook 79 can be pushed into the hook positioning groove 85 one by one.

As shown in fig. 18, the welding press head 66 comprises a press head main body 82 and a hook fixing block 83, a blind hole is coaxially arranged at the lower end of the press head main body 82, the hook fixing block 83 is arranged in the blind hole, the hook fixing block 83 is provided with two parallel and spaced hook fixing blocks, and a hook positioning groove 85 is formed between the two hook fixing blocks 83. A hook fixing magnet 84 is provided in the blind hole on the upper side of the hook fixing block 83 to form a hook fixing portion, thereby fixing the hook 79. The diameter of the pressure head main body 82 is smaller than the inner diameter of the upper end of the column head, openings matched with the hook positioning grooves 85 are formed in two sides of the blind hole, and two ends of the hook 79 extend out through the openings in two sides of the pressure head main body 82, so that the hook 79 and the column head can be welded conveniently.

The working method of the hook welding device 10 is that firstly, a hook 79 is placed in a hook bin, a bin pressing spring 77 pushes a bin pressing plate 78 to press the hook 79 on a bin baffle 80, then a bin translation air cylinder 75 pushes a feeding translation frame 73 to move, a feeding piece 81 is located right below a hook positioning groove 85, at the moment, the hook feeding air cylinder 74 moves upwards, the hook 79 close to one side of the bin pressing plate 78 is pushed upwards through the feeding piece 81 and enters the hook positioning groove 85, feeding of the hook 79 is completed, at the moment, the hook feeding air cylinder 74 is reset, the bin pressing spring 77 pushes the hook 79 to be pressed on the bin baffle 80 again through the bin pressing plate 78, and the bin translation air cylinder 75 is reset.

The workpiece 14 is placed on the welding carriage 72, the welding clamping cylinder 70 pushes the two welding jaws 68 to move synchronously inward to position and clamp the workpiece 14, and then the workpiece pushing cylinder 69 pushes the welding carriage 72 to move to the lower side of the welding ram 66 and align the hooks 79 on the welding ram 66 with the workpiece 14 on the welding carriage 72.

The welding cylinder 64 pushes the welding ram 66 to move downwards and enables the hook 79 to contact the workpiece 14, after welding is completed, the welding cylinder 64 drives the welding ram 66 to move upwards, the hook 79 breaks away from the suction force of the hook fixing magnet 84, and welding of the workpiece 14 and the hook 79 is completed.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. The rotary workpiece production line comprises a drilling device and a lathe machining device and is characterized by further comprising a distributing device (4), wherein the distributing device (4) is arranged between the drilling device and the lathe machining device, at least two lathe machining devices are arranged side by side, the distributing device (4) is connected with the lathe machining devices and distributes workpieces (14) for the corresponding lathe machining devices, the distributing device (4) comprises a distributing positioning device (32) and a conveying device, the distributing positioning device (32) is provided with at least two distributing positioning devices along the conveying device, the conveying device is provided with a containing part for containing the workpieces (14), and the distributing positioning device (32) is provided with a positioning part for positioning the workpieces (14);

The welding device for the hook comprises a welding device (10) arranged at the output end of the lathe machining device, the welding device (10) for the hook comprises a welding press head (66) and a welding fixture, the welding press head (66) is arranged opposite to the welding fixture, a hook positioning groove (84) is formed in the welding press head (66), the hook positioning groove (84) is arranged towards the workpiece fixture, a hook fixing part is formed in one side of the hook positioning groove (84), the welding press head (66) is connected with a power device for pushing the welding press head (66) to reciprocate towards the direction close to or far away from the welding fixture, and two hook fixing blocks (83) are arranged at intervals in one side of the welding press head (66) towards the welding fixture to form the hook positioning groove (84);

The hook welding device (10) further comprises a welding translation device, a hook feeding device (67) and a welding frame (63), wherein the hook feeding device (67) comprises a hook bin and a hook pushing device, the hook bin is arranged between the welding press head (66) and the hook pushing device, and a pressing part for pressing a hook on one side close to the hook pushing device is arranged on one side of the hook bin.

2. The rotary workpiece production line according to claim 1, wherein the drilling device comprises a transverse hole drilling device (3) and a valve hole machining device (9), the transverse hole drilling device (3) is arranged at the feeding end of the distributing device (4), and the valve hole machining device (9) is arranged at the discharging end of the lathe machining device.

3. The rotary workpiece production line according to claim 2, wherein the transverse hole drilling device (3) comprises a transverse hole drilling fixture (13) and transverse hole drilling spindle boxes (12) arranged on two sides of the transverse hole drilling fixture (13), and a drill bit is arranged on a spindle of the transverse hole drilling spindle boxes (12).

4. The rotary workpiece production line according to claim 3, wherein the transverse drilling clamp comprises a drilling bracket (15) and a compression cylinder (17), a drilling positioning groove with an inward concave middle part is formed in the upper part of the drilling bracket (15), the drilling positioning groove is conical gradually widening from bottom to top, the compression cylinder (17) is connected with a drilling compression frame (16), and the drilling compression frame (16) is arranged on the upper side of the drilling bracket (15).

5. The rotary workpiece production line according to claim 2, wherein the valve hole machining device (9) comprises a rotary device, a valve hole drilling device, a tool rest (46) and a rolling device, the rotary device is provided with a valve hole drilling clamp, the rotary device is connected with a z-axis moving device and an x-axis moving device, and the valve hole drilling device, the tool rest (46) and the rolling device are arranged side by side along the x-axis direction.

6. The rotary workpiece production line according to claim 5, wherein at least two rotary devices are arranged side by side, and the z-axis moving devices are in one-to-one correspondence with the rotary devices and are connected with the corresponding rotary devices.

7. The rotary workpiece production line according to claim 1, wherein the lathe machining device comprises an outer circle lathe (6), a drilling lathe (7) and an end surface lathe (8) which are sequentially arranged.