CN111185709A - Automatic loading and unloading device of thin-wall drill welding machine - Google Patents
Automatic loading and unloading device of thin-wall drill welding machine Download PDFInfo
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- CN111185709A CN111185709A CN202010072274.7A CN202010072274A CN111185709A CN 111185709 A CN111185709 A CN 111185709A CN 202010072274 A CN202010072274 A CN 202010072274A CN 111185709 A CN111185709 A CN 111185709A
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- wall drill
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Drilling And Boring (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides an automatic loading and unloading device of a thin-wall drill welding machine, and belongs to the technical field of welding machine tools. It has solved the not enough problem of current thin wall drill welding machine welding efficiency. The automatic loading and unloading device of the thin-wall drill welding machine comprises a base, a bedplate and a second driving assembly; the second driving assembly can drive the clamp to move along the guide direction of the cross-shaped guide assembly and also can enable the clamp to keep a free sliding state relative to the lifting frame; the bedplate is provided with a plurality of barrel positioning structures capable of positioning the position of the thin-wall drill barrel, the bedplate is connected with the base through a third guide driving mechanism, and the third guide driving mechanism can enable the bedplate to move horizontally and enable the thin-wall drill barrel positioned by any one barrel positioning structure to be connected with the clamp. The automatic feeding and discharging device of the thin-wall drill welding machine realizes the automatic movement of the position of the thin-wall drill cylinder, the automatic connection and separation of the thin-wall drill cylinder and the clamp, and the automatic movement of the thin-wall drill cylinder; this has the advantage of a high degree of automation.
Description
Technical Field
The invention belongs to the technical field of welding machine tools, relates to a thin-wall drill welding machine, and particularly relates to an automatic loading and unloading device of the thin-wall drill welding machine.
Background
The thin-wall drill comprises a barrel body and a cutter head welded and fixed on one end face of the barrel body. The thin-wall drill welding machine is used for accurately positioning the position of the cylinder body and the position of the tool bit and improving the welding quality. The inventor has already proposed a plurality of relevant documents about the thin-wall drill welding machine, such as a cylinder positioning device (application publication No. CN 101829875A) in the thin-wall drill welding machine, which can accurately position the cylinder and ensure the cylinder to rotate. A diamond tool welder (application publication No. CN 103223538A) can braze the tips to the end face of the barrel. The thin-wall drill cylinder positioning device (authorized notice number CN 203236182U) of the diamond thin-wall drill welding machine can ensure that the lower end of the cylinder swings freely, improve the positioning precision of the upper end surface and realize automatic indexing. The automatic indexing device (application publication number CN 108581356A) of the cylinder in the thin-wall drill welding machine not only ensures accurate indexing, but also improves the universality and the precision of cylinder clamping.
With the improvement of the welding quality of the thin-wall drill welding machine and the increase of the market demand for the thin-wall drill, the technical personnel in the field hope to further improve the automation degree of the thin-wall drill welding machine, such as the realization of automatic feeding and discharging of the cylinder.
Disclosure of Invention
The invention provides an automatic loading and unloading device of a thin-wall drill welding machine, and aims to solve the technical problem of how to realize automatic loading and unloading of a barrel and effectively control the manufacturing cost of the thin-wall drill welding machine.
The technical problem to be solved by the invention can be realized by the following technical scheme: a thin-wall drill welding machine comprises a rack, a lifting frame and a clamp, wherein the lifting frame is connected with the rack through a first guide driving mechanism which can enable the lifting frame to vertically lift and move; the fixture is connected with the lifting frame through a cross guide assembly which enables the fixture to horizontally and freely slide, and the fixture is positioned above the cross guide assembly; an upper clamping and positioning component which can be positioned and arranged at the position of the thin-wall drill cylinder body on the fixture is arranged on the rack, and the upper clamping and positioning component is positioned above the fixture; the automatic loading and unloading device of the thin-wall drill welding machine comprises a base, a bedplate and a second driving assembly; the second driving assembly can drive the clamp to move along the guide direction of the cross-shaped guide assembly and also can enable the clamp to keep a free sliding state relative to the lifting frame; the bedplate is provided with a plurality of barrel positioning structures capable of positioning the position of the thin-wall drill barrel, the bedplate is connected with the base through a third guide driving mechanism, and the third guide driving mechanism can enable the bedplate to move horizontally and enable the thin-wall drill barrel positioned by any one barrel positioning structure to be connected with the clamp.
The thin-wall drill cylinder bodies are arranged on the bedplate through the cylinder body positioning structures, and the thin-wall drill cylinder bodies and the cylinder body positioning structures are arranged in a one-to-one correspondence mode, so that the consistency of the installation positions of the thin-wall drill cylinder bodies is improved, and the automatic connection success rate and the automatic connection stability of the thin-wall drill cylinder bodies and the clamp are improved.
After a thin-wall drill cylinder positioned by a cylinder positioning structure is connected with the clamp, the second driving assembly drives the clamp to move along the guide direction of the cross-shaped guide assembly until the thin-wall drill cylinder moves into the upper clamping and positioning assembly, and the first guide driving mechanism can be combined to drive the lifting frame to vertically lift and move in the process. The second driving assembly enables the fixture to keep a free sliding state relative to the lifting frame, and when the upper clamping and positioning assembly positions the position of the thin-wall drill cylinder, the fixture can horizontally and freely slide through the cross-shaped guide assembly, so that the positioning precision of the thin-wall drill cylinder is ensured.
And (4) positioning the thin-wall drill cylinder body, and then welding the cutter bits one by one until all the cutter bits are welded. Go up centre gripping locating component release above-mentioned thin wall and bore the barrel, the second drive assembly drives anchor clamps and removes along cross direction of direction subassembly direction, and in above-mentioned thin wall bored the barrel and removed to above-mentioned barrel location structure, can combine first direction actuating mechanism to drive the crane vertical lift removal at this in-process. Therefore, the thin-wall drill cylinder and the thin-wall drill are positioned on the same cylinder positioning structure, and the thin-wall drill cylinder has the advantage of convenience in installation and collection of the thin-wall drill cylinder.
And then, the third guide driving mechanism platen moves horizontally, the thin-wall drill cylinder positioned by the other cylinder positioning structure is matched with the clamp, the thin-wall drill cylinder can be connected with the clamp by controlling the second driving assembly and the first guide driving mechanism, and the steps are repeated to finish welding processing of the thin-wall drill again. In the welding process, the operations of installing the thin-wall drill cylinder, collecting the thin-wall drill and the like can be simultaneously carried out.
Compared with the prior art, the automatic loading and unloading device of the thin-wall drill welding machine realizes the automatic movement of the position of the thin-wall drill cylinder body, so that the thin-wall drill cylinder body on any cylinder body positioning structure can be matched with the clamp; the thin-wall drill cylinder body is automatically connected and separated from the clamp, and the thin-wall drill cylinder body is automatically moved; this has the advantage of a high degree of automation. The second driving assembly can also enable the clamp to keep a free sliding state, so that the positioning precision of the thin-wall drill cylinder body is improved. The automatic feeding and discharging of the thin-wall drill cylinder body fully utilizes the existing structure of the thin-wall drill welding machine, and has the advantages of reasonable structural design, compact structure, effective control of the manufacturing cost of the thin-wall drill welding machine and the like.
In the automatic loading and unloading device of the thin-wall drill welding machine, the cross guide assembly comprises a transverse guide rail assembly, a longitudinal guide rail assembly and a connecting plate, the guide direction of the transverse guide rail assembly is perpendicular to the guide direction of the longitudinal guide rail assembly, the connecting plate is connected with the lifting frame through the transverse guide rail assembly, and the fixture is connected with the connecting plate through the longitudinal guide rail assembly.
The second driving assembly can adopt any one of the following schemes according to actual conditions, wherein in the automatic loading and unloading device of the thin-wall drill welding machine, the second driving assembly comprises a second cylinder arranged on the lifting frame and a third cylinder arranged on the connecting plate, the piston of the second cylinder is connected with the connecting plate, and the piston of the third cylinder is connected with the clamp; and the air chamber of the second air cylinder and the air chamber of the third air cylinder can be communicated with the atmosphere.
Secondly, in the automatic loading and unloading device of the thin-wall drill welding machine, the second driving assembly comprises a first chain and a fourth motor which are arranged on the lifting frame, a first chain wheel meshed with the first chain is fixed on a rotating shaft of the fourth motor, first shifting pieces are arranged on two sides of the connecting plate, the first shifting pieces are fixedly connected with the first chain, and when one of the first shifting pieces abuts against the connecting plate, a space is reserved between the other first shifting piece and the connecting plate; the second driving assembly further comprises a second chain and a fifth motor which are installed on the connecting plate, a second chain wheel meshed with the second chain is fixed on a rotating shaft of the fifth motor, second shifting pieces are arranged on two sides of the electric indexing assembly and fixedly connected with the second chain, and when one of the second shifting pieces abuts against the electric indexing assembly, a space is reserved between the other second shifting piece and the electric indexing assembly.
According to the first scheme, in the automatic loading and unloading device of the thin-wall drill welding machine, the bedplate is horizontally arranged, is circular, and a plurality of barrel positioning structures are uniformly distributed in the circumferential direction around the central line of the bedplate.
In the automatic loading and unloading device of the thin-wall drill welding machine, the third guide driving mechanism comprises a speed reducing motor, the speed reducing motor is arranged on the base, and the center of the bedplate is fixedly connected with a rotating shaft of the speed reducing motor.
Secondly, in the automatic loading and unloading device of the thin-wall drill welding machine, the bedplate is horizontally arranged, the bedplate is in a strip shape, and a plurality of barrel positioning structures are arranged at equal intervals along the longitudinal line of the bedplate.
In the automatic loading and unloading device of the thin-wall drill welding machine, the third guide driving mechanism comprises a third motor, a third guide rail assembly and a third screw rod nut assembly, wherein the third guide rail assembly and the third screw rod nut assembly are arranged in parallel with the transverse guide rail assembly; the bedplate is connected with the base through a third guide rail assembly, a third motor is installed on the base, a screw rod of a third screw rod nut assembly is connected with a rotating shaft of the third motor, and a nut of the third screw rod nut assembly is fixedly connected with the bedplate.
In the automatic loading and unloading device of the thin-wall drill welding machine, the cylinder positioning structure comprises a notch positioned at the outer edge part of the bedplate. According to the actual situation, the thin-wall drill cylinder body can be directly positioned at the notch, or the auxiliary positioning piece is positioned at the notch, and then the thin-wall drill cylinder body is positioned on the auxiliary positioning piece.
In the automatic loading and unloading device of the thin-wall drill welding machine, a plurality of first electromagnets are arranged on the bedplate; the first electromagnets and the notches are arranged in a one-to-one correspondence manner.
Drawings
Fig. 1 and 2 are schematic perspective views of a thin-wall drill welding machine from different viewing angles.
FIG. 3 is a schematic perspective view of the area where the crane and the fixture are located in the thin-wall drill welding machine.
FIG. 4 is a schematic perspective view of the base and platen of the thin wall drill-welding machine.
Fig. 5, 7, 8 and 9 are schematic perspective views of the thin-wall drill-welding machine in different states.
FIG. 6 is an exploded view of the local structure of the thin wall drill-welding machine.
In the figure, 1, a frame; 2. a lifting frame; 3. a clamp; 3a, a clamping opening; 4. a first guide driving mechanism; 5. a cross guide assembly; 5a, a transverse guide rail assembly; 5b, a longitudinal guide rail assembly; 5c, connecting plates; 6. an electrically-powered indexing assembly; 7. an upper clamping and positioning component; 8. a base; 9. a platen; 9a, a notch; 10. a second cylinder; 11. a third cylinder; 12. an auxiliary positioning member; 12a, a socket; 12b, a positioning column; 13. a reduction motor; 14. a first electromagnet; 15. a bit holding assembly; 16. a second electromagnet; 17. a lower clamping and positioning component; 18. a pneumatic stabilizing clamp; 19. a fourth cylinder; 20. a thin-wall drill cylinder; 20a, connecting columns; 21. and (5) drilling a thin wall.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
The first embodiment is as follows: as shown in fig. 1 to 4, a thin wall drill-welding machine includes a frame 1, a crane 2, and a jig 3.
The lifting frame 2 is connected with the machine frame 1 through a first guide driving mechanism 4. The first guide driving mechanism 4 comprises a first guide sliding assembly, a first motor and a first screw rod and nut assembly; the first lead slide assembly and the first lead screw nut assembly are vertically arranged, the lifting frame 2 is connected with the rack 1 through the first lead slide assembly, the first motor is installed on the rack 1, the nut of the first lead screw nut assembly is fixed on the lifting frame 2, and the lead screw is connected with a rotating shaft of the first motor. When the rotating shaft of the first motor rotates, the rotating shaft drives the screw rod to rotate, the screw rod forces the screw nut to move along the axial direction of the screw rod, and the screw nut drives the lifting frame 2 to move; the lifting frame 2 moves along the guiding direction of the first guide sliding assembly. In other words, the first guide driving mechanism 4 can vertically move the crane 2 up and down.
As shown in fig. 3, the clamp 3 is connected with the lifting frame 2 through a cross guide assembly 5. The cross guide assembly 5 comprises a horizontal guide rail assembly 5a and a horizontal longitudinal guide rail assembly 5b, the longitudinal guide rail assembly 5b is positioned above the horizontal guide rail assembly 5a, and the guide direction of the horizontal guide rail assembly 5a is vertical to the guide direction of the longitudinal guide rail assembly 5 b; the guide rail of the transverse guide rail assembly 5a is fixed on the lifting frame 2, a connecting plate 5c is arranged between the transverse guide rail assembly 5a and the longitudinal guide rail assembly 5b, and the connecting plate 5c is fixedly connected with the sliding block of the transverse guide rail assembly 5 a; the rails of the longitudinal rail assembly 5b are fixed to the web 5 c. The fixture 3 is positioned above the longitudinal guide rail assembly 5b, an electric indexing assembly 6 is arranged between the fixture 3 and the longitudinal guide rail assembly 5b, the electric indexing assembly 6 is installed on a sliding block of the longitudinal guide rail assembly 5b, and the fixture 3 is installed on a rotating shaft of the electric indexing assembly 6. Therefore, the clamp 3 can horizontally and freely slide relative to the lifting frame 2, and the electric indexing assembly 6 is controlled to enable the clamp 3 to rotate and control the rotation angle of the clamp 3.
An upper clamping and positioning component 7 is arranged on the frame 1, and the upper clamping and positioning component 7 is positioned above the clamp 3. The upper clamping and positioning assembly 7 comprises a rear backer fixed on the rack 1 and a pressing piece positioned on the front side of the rear backer, a first air cylinder is mounted on the rack 1, and a piston rod of the first air cylinder is fixedly connected with the pressing piece; when the piston rod of first cylinder is flexible, it is forward or backward to press the piece, presses the piece promptly and moves to being close to the direction of back backer or presses the piece to moving to keeping away from the direction of back backer. When the thin-wall drill cylinder body 20 is arranged on the clamp 3, the thin-wall drill cylinder body 20 is positioned between the pressing piece and the rear backrest, and the piston rod of the first air cylinder is in an extending state, the pressing piece presses the thin-wall drill cylinder body 20 on the rear backrest; in other words, the upper clamping and positioning assembly 7 can be positioned and installed on the fixture 3 at the position of the thin-walled drill cylinder body 20. When the piston rod of the first cylinder is in a retraction state, the distance between the pressing piece and the rear backrest is larger than the diameter of the thin-wall drill cylinder body 20, the thin-wall drill cylinder body 20 is in a release state, and the thin-wall drill cylinder body 20 can smoothly slide into or out of the space between the pressing piece and the rear backrest.
As shown in fig. 1 to 4, the automatic loading and unloading device of the thin-wall drill welding machine comprises a base 8, a bedplate 9 and a second driving assembly. The base 8 can be placed on the bottom surface and can also be fixed on the frame 1; the base 8 is located on the front side of the crane 2, which facilitates the movement of the gripper 3 near the base 8.
As shown in fig. 2, the second driving assembly comprises a second cylinder 10 installed on the crane 2 and a third cylinder 11 installed on the connecting plate 5c, a piston of the second cylinder 10 is connected with the connecting plate 5c, and a piston of the third cylinder 11 is connected with the electric indexing assembly 6. When the piston of the second cylinder 10 moves, the piston drives the connecting plate 5c to move along the guiding direction of the transverse guide rail assembly 5a, and when the piston of the third cylinder 11 moves, the piston drives the electric indexing assembly 6 to move along the guiding direction of the longitudinal guide rail assembly 5 b; namely, the piston of the second cylinder 10 and the piston of the third cylinder 11 move to drive the clamp 3 to move along the guiding direction of the cross-shaped guiding component 5. When the air chamber of the second air cylinder 10 and the air chamber of the third air cylinder 11 are communicated with the atmosphere, the piston of the second air cylinder 10 can move along with the movement of the connecting plate 5c, and the pistons of the three air cylinders can move along with the movement of the electric indexing component 6; i.e. the second drive assembly enables the gripper 3 to remain free to slide with respect to the crane 2.
As shown in fig. 4 to 9, the platen 9 is horizontally disposed, the platen 9 is circular, and a plurality of cylinder positioning structures are mounted on the platen 9, each cylinder positioning structure includes a notch 9a located at an outer edge of the platen 9, and the notches 9a are uniformly distributed in the circumferential direction around a center line of the platen 9. The center of the bottom surface of the thin-wall drill cylinder body 20 is provided with a connecting column 20a, the cylinder body positioning structure further comprises an auxiliary positioning piece 12, the center of the top surface of the auxiliary positioning piece 12 is provided with a socket 12a, the connecting column 20a can be embedded into the socket 12a, and the auxiliary positioning piece 12 can drive the thin-wall drill cylinder body 20 to rotate when rotating. The auxiliary positioning member 12 has a positioning column 12b at the center of the bottom surface, the top surface of the fixture 3 has a clamping opening 3a, and the positioning column 12b can be embedded into the clamping opening 3 a. The bottom surface of the auxiliary positioning element 12 rests on the top surface of the table 9 when the auxiliary positioning element 12 is placed on the table 9; the positioning post 12b can slide out of the recess 9a or into the recess 9a when the auxiliary positioning member 12 is moved horizontally. When the positioning post 12b is embedded in the clamping opening 3a, the clamp 3 can clamp the positioning post 12 b. Therefore, the barrel positioning structure can position the thin-wall drill barrel 20, the clamp 3 can move to enable the positioning column 12b to be embedded into the clamping opening 3a, namely, the clamp 3 can move to enable the thin-wall drill barrel 20 to be automatically connected with the clamp 3 through the auxiliary positioning piece 12. The auxiliary positioning piece 12 is arranged, so that the notch 9a is suitable for positioning the thin-wall drill cylinders 20 of different models, the fixture 3 is suitable for being connected with the thin-wall drill cylinders 20 of different models, the universality of a thin-wall drill welding machine is improved, and the convenience for taking and placing the thin-wall drill cylinders 20 is improved.
The bedplate 9 is connected with the base 8 through a third guide driving mechanism, the third guide driving mechanism comprises a speed reducing motor 13, the speed reducing motor 13 is installed on the base 8, the center of the bedplate 9 is fixedly connected with a rotating shaft of the speed reducing motor 13, the bedplate 9 is driven to horizontally rotate when the rotating shaft of the speed reducing motor 13 rotates, the rotating angle of the bedplate 9 is controlled by controlling the rotating angle of the rotating shaft of the speed reducing motor 13, and further, any notch 9a can be ensured to be just opposite to the clamping opening 3a of the clamp 3, and the thin-wall drill cylinder body 20 positioned by any cylinder positioning structure can be connected with the clamp 3 through the third guide driving mechanism.
A plurality of first electromagnets 14 are arranged on the bedplate 9; a plurality of first electromagnets 14 and a plurality of notches 9a one-to-one correspond and set up, when auxiliary positioning piece 12 was installed on platen 9, auxiliary positioning piece 12 and first electromagnet 14 attracted mutually, and the terminal surface of notch 9a is identical with reference column 12b side, and first electromagnet 14 enables auxiliary positioning piece 12 to remove, guarantees that reference column 12b side relies on the terminal surface of notch 9a, improves auxiliary positioning piece 12 mounted position uniformity, and then improves anchor clamps 3 and auxiliary positioning piece 12 automatic connection success rate and stability. The auxiliary positioning element 12 and the first electromagnet 14 also improve the mounting stability of the auxiliary positioning element 12, in particular to prevent the thin-walled drill cylinder body 20 from shifting or falling when the bedplate 9 rotates.
A tool bit clamping component 15 is arranged above the upper clamping and positioning component 7, the tool bit clamping component 15 is used for clamping a tool bit, and the tool bit clamping component 15 is connected with the machine frame 1 through a fourth guiding driving mechanism which can enable the tool bit clamping component 15 to vertically move up and down.
The function and advantages of the various components are further explained by illustrating the process of welding the thin-wall drill with the thin-wall drill welder. As shown in fig. 5 and 6, the thin-walled drill cylinder 20 is vertically disposed, the connection post 20a of the thin-walled drill cylinder 20 is inserted into the insertion opening 12a of the auxiliary positioning member 12, and the plurality of thin-walled drill cylinders 20 and the plurality of auxiliary positioning members 12 are disposed in one-to-one correspondence.
Firstly, operating a first motor, a second air cylinder 10 and a third air cylinder 11 to enable a clamp 3 to move to a position right below an auxiliary positioning piece 12, and then enabling the clamp 3 to move upwards until a positioning column 12b of the auxiliary positioning piece 12 is embedded into a clamping opening 3a of the clamp 3; finally, the clamp 3 is operated to enable the clamp 3 to clamp the positioning column 12b and control the first electromagnet 14 to be powered off; thereby realizing the automatic connection of the clamp 3 and the thin-wall drill cylinder 20 on one of the cylinder positioning structures.
Secondly, operating a third cylinder 11, wherein a piston of the third cylinder 11 drives the electric indexing component 6, the clamp 3, the auxiliary positioning piece 12 and the thin-wall drill cylinder body 20 to horizontally move together; in the process, the positioning column 12b of the auxiliary positioning piece 12 slides out of the notch 9 a; and then, the second air cylinder 10 is operated, and the piston of the second air cylinder 10 drives the connecting plate 5c, the third air cylinder 11, the clamp 3, the thin-wall drill cylinder body 20 and other parts to horizontally move together until the thin-wall drill cylinder body 20 moves to a position between the rear backrest and the pressing part.
The auxiliary positioning piece 12 is fixed with a second electromagnet 16, and in the process that the second cylinder 10 drives the clamp 3 to move, the second electromagnet 16 is controlled to be electrified, and the second electromagnet 16 is attracted with the guide rail of the connecting plate 5c or the longitudinal guide rail assembly 5b, so that the possibility that the auxiliary positioning piece 12 moves relative to the connecting plate 5c is reduced, and the motion stability and the consistency of the stop position of the thin-wall drill cylinder body 20 are improved.
A lower clamping and positioning component 17 and a pneumatic stabilizing clamp 18 are arranged between the clamp 3 and the upper clamping and positioning component 7. The upper clamping and positioning assembly 7 is installed on the lifting frame 2, and the lower clamping and positioning assembly 17 has basically the same structure as the upper clamping and positioning assembly 7, and is not described redundantly. The lifting frame 2 is provided with a fourth cylinder 19, and the pneumatic stabilizing clamp 18 is connected with a piston rod of the fourth cylinder 19.
When the thin-wall drill cylinder body 20 moves to a position between the rear backrest and the pressing piece, the thin-wall drill cylinder body 20 is also located in the pneumatic stabilizing clamp 18, the pneumatic stabilizing clamp 18 is operated to clamp the thin-wall drill cylinder body 20, then the thin-wall drill cylinder body 20 is eliminated from shaking, particularly the thin-wall drill cylinder body 20 is prevented from toppling over, and the consistency of the stop position of the thin-wall drill cylinder body 20 is improved. After the thin-wall drill cylinder body 20 is stabilized, the pneumatic stabilizing clamp 18 is operated to release the thin-wall drill cylinder body 20.
And thirdly, operating the second air cylinder 10, the third air cylinder 11, the fourth air cylinder 19 and the second electromagnet 16 to ensure that the thin-wall drill cylinder body 20 can be clamped and positioned by the upper clamping and positioning assembly 7 and the lower clamping and positioning assembly 17, namely the pneumatic stabilizing clamp 18 cannot block the thin-wall drill cylinder body 20 from moving, and the clamp 3 can horizontally and freely slide relative to the lifting frame 2.
And fourthly, operating the electric indexing component 6 to drive the clamp 3 to rotate, operating the tool bit clamping component 15 and the heating equipment placed on the machine frame 1 to braze the tool bits on the top surface of the thin-wall drill cylinder body 20 one by one to obtain the thin-wall drill 21.
Fifthly, the upper clamping and positioning component 7 and the lower clamping and positioning component 17 are operated to release the thin-wall drill cylinder body 20, the pneumatic stabilizing clamp 18 is operated to clamp the thin-wall drill cylinder body 20, and the fourth air cylinder 19 is operated to enable the thin-wall drill cylinder body 20 to be separated from the rear backer, so that the smoothness of the thin-wall drill cylinder body 20 separated from the upper clamping and positioning component 7 and the lower clamping and positioning component 17 is improved, and the thin-wall drill 21 is prevented from toppling. After the thin-walled drill cylinder 20 is disengaged from the rear abutment, the pneumatically stabilized clamp 18 is operated to release the thin-walled drill cylinder 20.
And sixthly, firstly, the second cylinder 10 and the second electromagnet 16 are controlled to be powered on, the piston of the second cylinder 10 drives the connecting plate 5c, the third cylinder 11, the fixture 3, the thin-wall drill 21 and other parts to horizontally move together until the positioning column 12b of the auxiliary positioning piece 12 is opposite to the notch 9a, then the second electromagnet 16 is controlled to be powered off and the third cylinder 11 is controlled to be powered off, the piston of the third cylinder 11 drives the electric indexing component 6, the fixture 3, the auxiliary positioning piece 12 and the thin-wall drill 21 to horizontally move together until the positioning column 12b of the auxiliary positioning piece 12 slides into the notch 9 a. In the process, the first motor can be controlled to operate, and the height of the bottom surface of the auxiliary positioning piece 12 is adjusted, so that the bottom surface of the auxiliary positioning piece 12 is slightly higher than the plate surface of the bedplate 9.
Seventhly, controlling the first electromagnet 14 to be electrified, the clamp 3 to release the positioning column 12b of the auxiliary positioning piece 12 and controlling the first motor to operate to move the clamp 3 downwards, so that the clamp 3 is separated from the positioning column 12b, and the auxiliary positioning piece 12 is placed in the notch 9a of the bedplate 9; it is achieved that the thin-walled drill 21 is placed on the table 9 together with the auxiliary positioning element 12.
In summary, the first to seventh steps complete the welding process of the first drill 21 and place the drill 21 at the initial position of the drill body 20. When the second thin-wall drill 21 is welded, firstly, the speed reducing motor 13 is controlled to rotate the bedplate 9 by a set angle, and an adjacent notch 9a is opposite to the clamping opening 3a of the clamp 3; the first to seventh steps are then repeated, whereby the welding process of the second thin-walled drill 21 is completed.
The thin-wall drill 21 welded on the bedplate 9 can be taken down and a new thin-wall drill cylinder body 20 can be mounted in the process of welding the cutter head.
Example two: the structure and the principle of the present embodiment are substantially the same as those of the first embodiment, and the description of the substantial same parts is not repeated redundantly, but only different parts are described, the different parts are that there is no auxiliary positioning member 12, but the bottom surface of the thin-walled drill barrel body 20 rests on the top surface of the bedplate 9, the connecting column 20a is embedded in the notch 9a, the connecting column 20a can be embedded in the clamping opening 3a of the clamp 3, that is, the clamp 3 can clamp and fix the connecting column 20 a.
Example three: the structure and principle of the embodiment are basically the same as those of the first embodiment, and the parts with the same basic structure and principle are not described redundantly, but only different parts are described, and the different parts are the structure of a third guide driving mechanism, wherein the third guide driving mechanism comprises a third motor, a third guide rail assembly and a third screw nut assembly, and the third guide rail assembly and the third screw nut assembly are arranged in parallel with the transverse guide rail assembly 5 a; the bedplate 9 is connected with the base 8 through a third guide rail assembly, a third motor is installed on the base 8, a lead screw of the third lead screw nut assembly is connected with a rotating shaft of the third motor, and a nut of the third lead screw nut assembly is fixedly connected with the bedplate 9. The bedplate 9 is in a strip shape, and the notches 9a are arranged at equal intervals along the longitudinal line of the bedplate 9.
Example four: the structure and the principle of the embodiment are basically the same as those of the first embodiment, and the parts which are basically the same are not described redundantly, and only different parts are described, and the different parts are located in the second driving assembly; the second driving assembly comprises a first chain and a fourth motor which are arranged on the lifting frame 2, a first chain wheel meshed with the first chain is fixed on a rotating shaft of the fourth motor, first poking pieces are arranged on two sides of the connecting plate 5c, and the first poking pieces are fixedly connected with the first chain; when one of the first shifting pieces abuts against the connecting plate 5c, a space is reserved between the other first shifting piece and the connecting plate 5 c. The second driving assembly further comprises a second chain and a fifth motor which are arranged on the connecting plate 5c, a second chain wheel meshed with the second chain is fixed on a rotating shaft of the fifth motor, second shifting pieces are arranged on two sides of the electric indexing assembly 6 and fixedly connected with the second chain; when one of the second shifting sheets abuts against the electric indexing component 6, a space is formed between the other second shifting sheet and the electric indexing component 6. It can be seen that the clamp 3 remains free to slide with respect to the crane 2 when neither of the two first paddles nor the connecting plate 5c is in abutment and neither of the two second paddles nor the electrical indexing assembly 6 is in abutment.
Claims (10)
1. An automatic loading and unloading device of a thin-wall drill welding machine comprises a rack (1), a lifting frame (2) and a clamp (3), wherein the lifting frame (2) is connected with the rack (1) through a first guide driving mechanism (4) capable of enabling the lifting frame (2) to vertically lift and move; the fixture (3) is connected with the lifting frame (2) through a cross guide component (5) which can enable the fixture (3) to horizontally and freely slide, and the fixture (3) is positioned above the cross guide component (5); an upper clamping and positioning component (7) which can be positioned and installed at the position of the thin-wall drill cylinder body (20) on the fixture (3) is installed on the rack (1), and the upper clamping and positioning component (7) is positioned above the fixture (3); the automatic loading and unloading device is characterized by comprising a base (8), a bedplate (9) and a second driving assembly; the second driving assembly can drive the clamp (3) to move along the guide direction of the cross guide assembly (5), and the clamp (3) can also keep a free sliding state relative to the lifting frame (2); the bedplate (9) is provided with a plurality of barrel positioning structures capable of positioning the thin-wall drill barrel (20), the bedplate (9) is connected with the base (8) through a third guide driving mechanism, the third guide driving mechanism can enable the bedplate (9) to move horizontally, and the thin-wall drill barrel (20) positioned by any one barrel positioning structure can be connected with the clamp (3).
2. The automatic loading and unloading device of the thin-wall drill welding machine according to claim 1, wherein the cross guide assembly (5) comprises a transverse guide rail assembly (5 a), a longitudinal guide rail assembly (5 b) and a connecting plate (5 c), the guide direction of the transverse guide rail assembly (5 a) is perpendicular to the guide direction of the longitudinal guide rail assembly (5 b), the connecting plate (5 c) is connected with the lifting frame (2) through the transverse guide rail assembly (5 a), and the clamp (3) is connected with the connecting plate (5 c) through the longitudinal guide rail assembly (5 b).
3. The automatic loading and unloading device of the thin-wall drill welding machine according to claim 2, wherein the second driving assembly comprises a second cylinder (10) installed on the lifting frame (2) and a third cylinder (11) installed on the connecting plate (5 c), a piston of the second cylinder (10) is connected with the connecting plate (5 c), and a piston of the third cylinder (11) is connected with the clamp (3); the air chamber of the second air cylinder (10) and the air chamber of the third air cylinder (11) can be communicated with the atmosphere.
4. The automatic loading and unloading device of the thin-wall drill welding machine according to claim 2, wherein the second driving assembly comprises a first chain and a fourth motor which are arranged on the lifting frame (2), a first chain wheel meshed with the first chain is fixed on a rotating shaft of the fourth motor, first shifting pieces are arranged on two sides of the connecting plate (5 c) and fixedly connected with the first chain, and when one of the first shifting pieces abuts against the connecting plate (5 c), a space is reserved between the other first shifting piece and the connecting plate (5 c); the second driving assembly further comprises a second chain and a fifth motor which are installed on the connecting plate (5 c), a second chain wheel meshed with the second chain is fixed on a rotating shaft of the fifth motor, second poking sheets are arranged on two sides of the electric indexing assembly (6) and fixedly connected with the second chain, and when one of the second poking sheets abuts against the electric indexing assembly (6), a space is reserved between the other second poking sheet and the electric indexing assembly (6).
5. The automatic loading and unloading device of the thin-wall drill welding machine according to the claim 1 is characterized in that the bedplate (9) is horizontally arranged, the bedplate (9) is circular, and a plurality of cylinder positioning structures are uniformly distributed in the circumferential direction around the central line of the bedplate (9).
6. The automatic loading and unloading device for the thin-wall drill welding machine according to claim 5 is characterized in that the third guiding and driving mechanism comprises a speed reducing motor (13), the speed reducing motor (13) is installed on the base (8), and the center of the bedplate (9) is fixedly connected with a rotating shaft of the speed reducing motor (13).
7. The automatic loading and unloading device of the thin-wall drill welding machine according to the claim 2 is characterized in that the bedplate (9) is horizontally arranged, the bedplate (9) is in a strip shape, and a plurality of barrel positioning structures are arranged at equal intervals along the longitudinal line of the bedplate (9).
8. The automatic loading and unloading device of the thin-wall drill welding machine according to claim 7, wherein the third guiding and driving mechanism comprises a third motor, a third guide rail assembly and a third lead screw and nut assembly, wherein the third guide rail assembly and the third lead screw and nut assembly are arranged in parallel with the transverse guide rail assembly (5 a); the bedplate (9) is connected with the base (8) through a third guide rail assembly, a third motor is installed on the base (8), a screw rod of the third screw rod nut assembly is connected with a rotating shaft of the third motor, and a nut of the third screw rod nut assembly is fixedly connected with the bedplate (9).
9. The automatic loading and unloading device for the thin-wall drill welding machine according to any one of the claims 1 to 8, characterized in that the cylinder positioning structure comprises a notch (9 a) at the outer edge part of the bedplate (9).
10. The automatic loading and unloading device of the thin-wall drill welding machine according to the claim 9 is characterized in that a plurality of first electromagnets (14) are arranged on the bedplate (9); the first electromagnets (14) and the notches (9 a) are arranged in one-to-one correspondence.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010072274.7A CN111185709B (en) | 2020-01-21 | 2020-01-21 | Automatic loading and unloading device of thin-wall drill welding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010072274.7A CN111185709B (en) | 2020-01-21 | 2020-01-21 | Automatic loading and unloading device of thin-wall drill welding machine |
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| CN111185709A true CN111185709A (en) | 2020-05-22 |
| CN111185709B CN111185709B (en) | 2021-08-27 |
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| CN114850775A (en) * | 2022-06-20 | 2022-08-05 | 台州市圣西亚金刚石设备有限公司 | Thin-wall drill welding machine |
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| CN111185709B (en) | 2021-08-27 |
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