CN112264711B - Workpiece orientation process - Google Patents

Workpiece orientation process Download PDF

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Publication number
CN112264711B
CN112264711B CN202011049092.4A CN202011049092A CN112264711B CN 112264711 B CN112264711 B CN 112264711B CN 202011049092 A CN202011049092 A CN 202011049092A CN 112264711 B CN112264711 B CN 112264711B
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China
Prior art keywords
workpiece
cylinder
positioning
face
shaped block
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CN202011049092.4A
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CN112264711A (en
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白金
杜华
余晓锋
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Jingzhou Huanqiu Automobile Parts Manufacturing Co ltd
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Jingzhou Huanqiu Automobile Parts Manufacturing Co ltd
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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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/362—Laser etching
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

A workpiece orientation process comprises the steps that whether a workpiece exists or not is detected through a workpiece induction switch, a rear V-shaped block driving wheel and a motor are controlled to enable the workpiece to rotate, whether an end face positioning bearing rotates or not is detected through a workpiece in-place induction switch, the stretching of a positioning cylinder is controlled, the workpiece is clamped through the positioning cylinder and a corner cylinder, whether the workpiece exists or not is sensed through the workpiece induction switch, automatic detection of the workpiece is achieved, the workpiece rotates towards the end face positioning bearing under the effect of the rear V-shaped block driving wheel, automatic orientation of the workpiece is achieved, whether the end face positioning bearing rotates or not is detected through the workpiece in-place induction switch, automatic positioning of the workpiece is achieved, a positioning pin is pushed by the positioning cylinder to be inserted into the workpiece, the head of the corner cylinder rotates 90 degrees and presses the workpiece downwards to fix the workpiece, and automatic clamping of the workpiece is achieved. The detection process, the positioning process, the orientation process and the clamping process of the process are automatically completed by a machine, so that the labor intensity of workers is reduced, and the production efficiency is improved.

Description

Workpiece orientation process
Technical Field
The invention relates to a workpiece orientation process, and belongs to the technical field of machining.
Background
In the production process of workpieces, the workpieces need to be marked, in the production process, according to relevant national regulations or self-management needs of enterprises, characters, pictures and the like are marked on the products, generally, the marking is carried out by utilizing a laser marking technology, and the laser marking is a marking method which utilizes high-energy-density laser to locally irradiate the workpieces so as to vaporize a surface layer material or carry out a chemical reaction with color change, thereby leaving a permanent mark.
The marking needs to fix a workpiece and position the marking position, the existing workpiece orientation technology is that the workpiece is manually placed in a simple clamp, an open slot corresponding to the workpiece is formed in the clamp, the workpiece is clamped in the open slot to be oriented, pressing plates at two ends of the workpiece are manually screwed to fix the workpiece, however, the positioning process and the fixing process of the existing workpiece orientation technology are completed by manpower, the labor intensity of workers is high, and the production efficiency is not high.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a workpiece orientation process, wherein the detection process, the positioning process, the orientation process and the clamping process are completed by a machine, so that the labor intensity of workers is reduced, and the production efficiency is improved.
The technical scheme for realizing the aim of the invention is that a workpiece orientation process is realized based on a workpiece orientation device, the device comprises a T-shaped groove workbench and a marking machine arranged at one end of the T-shaped groove workbench, wherein one end of the T-shaped groove workbench, which is provided with the marking machine, is provided with a front V-shaped block assembly, the other end of the T-shaped groove workbench is provided with a rear V-shaped block assembly, the rear V-shaped block assembly comprises a workpiece induction switch, an end face positioning bearing, a workpiece in-place induction switch, a rear V-shaped block driving wheel and a motor for driving the rear V-shaped block driving wheel to rotate, the number of the rear V-shaped block driving wheels is 2, the rear V-shaped block driving wheels are symmetrically distributed along a central line forming an included angle of 1-5 degrees with the axis of the T-shaped groove workbench, the end face positioning bearing is positioned on the central line and exposed outside the rear V-shaped block driving wheel, the workpiece in-place induction switch is positioned above the end face positioning bearing, and the workpiece induction switch is positioned on the side face of a workpiece; preceding V type piece part is including location cylinder, locating pin, corner cylinder, location cylinder support, corner cylinder block and preceding V type piece bottom plate, and the locating pin is installed on the location cylinder, and location cylinder support and corner cylinder block are installed in the front on V type piece bottom plate's the both ends of controlling, and the location cylinder is supported by the location cylinder support, and the corner cylinder is supported by the corner cylinder block, includes at least following step:
(1) a workpiece is placed on a rear V-shaped block driving wheel in the rear V-shaped block assembly by a manipulator, a workpiece sensing switch senses the existence of the workpiece, a motor is started to drive the rear V-shaped block driving wheel to rotate rapidly, and the workpiece rotates towards the direction of an end face positioning bearing under the action of the rear V-shaped block driving wheel;
(2) when the workpiece moves to the position that the end face of the workpiece contacts the end face positioning bearing, the end face positioning bearing rotates along with the rotation of the workpiece, and when the workpiece in-place sensing switch detects that the end face positioning bearing rotates, the motor is switched to rotate at a slow speed; meanwhile, starting a positioning cylinder to push the positioning pin to move towards the workpiece;
(3) when the positioning pin is displaced into a pin hole on the end face of the workpiece, the workpiece stops rotating under the action of the positioning pin, the end face positioning bearing also stops rotating, when the workpiece in-place sensing switch detects that the end face positioning bearing is static, the motor stops rotating, the corner cylinder pushes the head of the corner cylinder to rotate by 90 degrees, then the head of the corner cylinder moves downwards to clamp the workpiece, and then the marking machine is started to mark the workpiece;
(4) after marking is finished, the marking machine stops working, the positioning cylinder is started to push the positioning pin to move towards the opposite direction of the workpiece, when the pin to be positioned moves to the outside of a pin hole in the end face of the workpiece, the corner cylinder pushes the head of the corner cylinder to ascend, then the head of the corner cylinder rotates in the opposite direction by 90 degrees, and the workpiece is taken out by the manipulator.
The technical scheme is further improved in that in the step (1), the power of the motor under the condition of fast rotation is 100W, and the axial displacement speed of the workpiece is 2 mm/s.
And in the step (2), the power of the motor under the slow rotation is 30W, and the workpiece is static in the axial direction.
And the pressure of the positioning pin cylinder in the step (3) is 0.3 MPa.
And in the step (1-3), the workpiece inductive switch and the workpiece in-place inductive switch are inductive proximity switches.
And the positioning cylinder in the step (2) is a double-shaft magnetic opening cylinder.
According to the technical scheme, the workpiece orientation process provided by the invention has the advantages that whether the workpiece exists or not is sensed through the workpiece sensing switch, so that the automatic detection of the workpiece is realized.
And the motor drives the rear V-shaped block driving wheel to rotate rapidly, and the workpiece rotates towards the end face positioning bearing under the action of the rear V-shaped block driving wheel, so that the automatic orientation of the workpiece is realized.
And the workpiece in-place sensing switch detects whether the end face positioning bearing rotates or not to judge whether the workpiece is in place or not, namely, the workpiece moves to the position where the end face of the workpiece contacts the end face positioning bearing, so that the automatic positioning of the workpiece is realized.
And the positioning cylinder pushes the positioning pin to be inserted into the workpiece along the axial direction in a displacement mode, so that the axial displacement of the workpiece is limited, the head of the corner cylinder rotates by 90 degrees and presses the workpiece to fix the workpiece, and therefore the workpiece is clamped automatically.
In conclusion, the detection process, the positioning process, the orientation process and the clamping process of the workpiece orientation process provided by the invention are automatically completed by a machine, so that the labor intensity of workers is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a workpiece orientation apparatus according to the present invention;
FIG. 2 is a schematic top view of the front V-block assembly of the present invention;
FIG. 3 is a schematic front view of the front V-block assembly of the present invention;
FIG. 4 is a side view of the rear V-block assembly of the present invention;
FIG. 5 is a schematic front view of the rear V-block assembly of the present invention;
in the figure: 1. a front V-shaped block bottom plate; 2. a front V-shaped block seat; 3. a corner cylinder block; 4. a corner cylinder; 5. positioning the air cylinder; 6. positioning the cylinder support; 7. positioning a plate; 8. positioning pins; 9. a front V-shaped block bearing mandrel; 10. a front V-shaped block bearing; 11. a front V-shaped block bearing cushion block; 12. a positioning key; 13. a rear V-shaped block seat; 14. a positioning key; 15. a roller end cover; 16. a pulley; 17. a rear V-shaped block bearing mandrel; 18. a rear V-shaped block bearing end cover; 19. a rear V-shaped block bearing cushion block A; 20. a pulley bearing; 21. a rear V-shaped block driving wheel; 22. the end cover of the rear V-shaped block driving wheel; 23. a rear V-shaped block bearing cushion block B; 24. a proximity switch bracket; 25. a workpiece induction switch; 26. a workpiece in-place induction switch; 27. an end face positioning bearing; 28. positioning a bearing pin shaft on the end face; 29. and a rear V-shaped block driving wheel.
Detailed Description
The invention will be further illustrated with reference to the following figures and examples, but the scope of the invention is not limited to the examples described below.
Referring to fig. 1 to 5, an embodiment of the present invention provides a workpiece orientation process and a workpiece orientation apparatus used therewith, the process including the following steps:
(1) a workpiece is placed on a rear V-shaped block driving wheel 21 in a rear V-shaped block assembly by a manipulator, a workpiece sensing switch 25 senses the existence of the workpiece, a starting motor drives the rear V-shaped block driving wheel 21 to rotate rapidly, the workpiece rotates towards the direction of an end face positioning bearing 27 under the action of the rear V-shaped block driving wheel 21, the rear V-shaped block driving wheel 21 is symmetrically distributed along a central line which forms an included angle of 1-5 degrees with the axis of the T-shaped groove workbench, and therefore the rear V-shaped block driving wheel 21 drives the workpiece to rotate so as to generate axial component force;
(2) when the workpiece moves to the position that the end face of the workpiece contacts the end face positioning bearing 27, the end face positioning bearing 27 rotates along with the rotation of the workpiece, and when the workpiece in-place sensing switch 26 detects that the end face positioning bearing 27 rotates, the motor is switched to rotate at a slow speed; meanwhile, the positioning cylinder 5 is started to push the positioning pin 8 to move towards the workpiece;
(3) when the positioning pin 8 moves into a pin hole on the end face of the workpiece, the workpiece stops rotating under the action of the positioning pin 8, the end face positioning bearing also stops rotating, when the workpiece in-place sensing switch 26 detects that the end face positioning bearing 27 is static, the motor stops rotating, the corner cylinder 4 pushes the head of the corner cylinder to rotate by 90 degrees, then the head of the corner cylinder moves downwards to clamp the workpiece, and then the marking machine is started to mark the workpiece;
(4) after marking, the marking machine stops working, the positioning cylinder 5 is started to push the positioning pin 8 to move in the opposite direction of the workpiece, when the positioning pin 8 moves to the outside of the pin hole in the end face of the workpiece, the corner cylinder 4 pushes the head of the corner cylinder to ascend, the head of the corner cylinder rotates in the reverse direction by 90 degrees, and the workpiece is taken out by the manipulator.
In this embodiment, the power of the motor in the step (1) under the fast rotation is 100W, and the axial displacement speed of the workpiece is 2 mm/s.
In the step (2), the power of the motor under slow rotation is 30W, and the workpiece is static in the axial direction.
And (4) in the step (3), the cylinder pressure of the positioning pin is 0.3 MPa.
And in the step (1-3), the workpiece inductive switch 25 and the workpiece in-place inductive switch 26 are inductive proximity switches.
And the positioning cylinder 5 in the step (2) is a double-shaft magnetic opening cylinder.
The device comprises a T-shaped groove workbench and a marking machine arranged at one end of the T-shaped groove workbench, wherein one end of the T-shaped groove workbench, which is provided with the marking machine, is provided with a front V-shaped block assembly, the other end of the T-shaped groove workbench is provided with a rear V-shaped block assembly, the rear V-shaped block assembly comprises a workpiece induction switch 25, an end face positioning bearing 27, a workpiece in-place induction switch, rear V-shaped block driving wheels 21 and 29 and motors for driving the rear V-shaped block driving wheels 21 and 29 to rotate, the number of the rear V-shaped block driving wheels 21 and 29 is 2, the rear V-shaped block driving wheels are symmetrically distributed along a central line forming an included angle of 1-5 degrees with the axis of the T-shaped groove workbench, the end face positioning bearing 27 is positioned on the central line and exposed outside the rear V-shaped block driving wheels 21 and 29, the workpiece in-place induction switch is positioned above the end face positioning bearing 27, and the workpiece induction switch 25 is positioned on the side face of a workpiece; the front V-shaped block component comprises a positioning cylinder 5, a positioning pin 8 and a corner cylinder 4, wherein the positioning cylinder 5 pushes the positioning pin 8 to displace along the axial direction to limit the axial displacement of a workpiece, the head of the corner cylinder 4 rotates and presses the workpiece downwards to fix the workpiece, the positioning cylinder 5 is supported by a positioning cylinder support 6 in the embodiment, and the corner cylinder 4 is supported by a corner cylinder seat 3.
In the implementation, the rotation angle of the head of the corner cylinder 4 is 90 degrees, the stress area of the workpiece at the rotation angle is smaller than that of the workpiece at other rotation angles, and the pressure applied to the workpiece is the largest when the head of the corner cylinder 4 rotates 90 degrees under the same power of the corner cylinder 4, so that the workpiece is not easy to slide off.
In still other embodiments, the angle of rotation of the head of the angle cylinder 4 is 25 ° to 155 °.
In this embodiment, the rear V-shaped block assembly further includes an L-shaped proximity switch bracket 24, one side of the proximity switch bracket 24 is located above the workpiece, and the workpiece sensing switch 25 and the workpiece in-place sensing switch are both located on one side of the proximity switch bracket 24 above the workpiece.
And the front V-shaped block assembly further comprises a positioning plate 7, and the positioning plate 7 is connected with the positioning cylinder 5 and the positioning pin 8.
And a transmission assembly is arranged between the rear V-shaped block driving wheels 21 and 29 and the motor, and comprises a belt wheel 16, a rear V-shaped block bearing mandrel 17, a rear V-shaped block bearing end cover 18, a rear V-shaped block bearing cushion block A19, a belt wheel bearing 20, rear V-shaped block driving wheels 21 and 29, a rear V-shaped block driving wheel end cover 22 and a rear V-shaped block bearing cushion block B23.
Preceding V type piece subassembly still includes preceding V type block seat 2 in this embodiment, and preceding V type block seat 2 is opened has V type groove, is equipped with semi-circular support piece on the cell wall of both ends, and preceding V type block seat 2 below has preceding V type piece bottom plate 1, and preceding V type piece bottom plate 1 is used for supporting preceding V type block seat 2.
The front V-shaped block seat 2 is provided with a front V-shaped block bearing mandrel 9, a front V-shaped block bearing 10 and a front V-shaped block bearing cushion block 11.
And the supporting piece is made of elastic material, so that the surface of the workpiece is prevented from being damaged when the workpiece is rotationally positioned.
In this embodiment, the front V-block bottom plate 1 is provided with a positioning key 14 to facilitate the installation of the front V-block assembly.
The rear V-shaped block assembly further comprises a rear V-shaped block seat 13, a positioning key 12, a roller end cover 15 and an end face positioning bearing pin shaft 28. The rear V-shaped block seat 13 is used for supporting a transmission assembly, the positioning key 12 is used for installing the rear V-shaped block assembly, and the roller end cover 15 is used for installing a belt wheel 16.
The workpiece is sensed to be in place by the workpiece sensing switch 25 and the workpiece in-place sensing switch 26 by sensing whether the end face positioning bearing 27 rotates, so that the workpiece is automatically detected.
And the motor drives the rear V-shaped block driving wheel 21 to rotate rapidly, and the workpiece rotates towards the end face positioning bearing 27 under the action of the rear V-shaped block driving wheel 21, so that the automatic orientation of the workpiece is realized.
And the workpiece in-place inductive switch 26 detects whether the end face positioning bearing 27 rotates or not to judge whether the workpiece is in place or not, namely, the workpiece moves to the position where the end face of the workpiece contacts the end face positioning bearing 27, so that the automatic positioning of the workpiece is realized.
And the positioning cylinder 5 pushes the positioning pin 8 to be inserted into the workpiece along the axial direction in a displacement mode, so that the axial displacement of the workpiece is limited, the head of the corner cylinder rotates by 90 degrees and presses the workpiece to fix the workpiece, and therefore the workpiece is clamped automatically.
In conclusion, the detection process, the positioning process, the orientation process and the clamping process of the workpiece orientation process provided by the invention are automatically completed by a machine, so that the labor intensity of workers is reduced, and the production efficiency is improved.

Claims (6)

1. A kind of work piece orients the craft, realize on the basis of the work piece orienting device, the apparatus includes T-type groove work station and marking machine installed on one end of the work station of T-type groove, T-type groove work station is equipped with the front V-type block assembly on one end of the marking machine, there are back V-type block assemblies on another end, include the work piece inductive switch in the back V-type block assembly, the end face positions the bearing, the work piece positions the inductive switch in place, back V-type block driving wheel and motor to drive back V-type block driving wheel to rotate, the number of driving wheels of back V-type block is 2, it is symmetrical to distribute along the central line which presents 1-5 included angles with the work station axis of T-type groove, the end face positions the bearing and exposes outside of the driving wheel of back V-type block, the work piece positions the inductive switch above the end face positioning bearing, the work piece inductive switch is located the side of the work piece; preceding V type piece subassembly is including location cylinder, locating pin, corner cylinder, location cylinder support, corner cylinder block and preceding V type piece bottom plate, and the locating pin is installed on the location cylinder, and location cylinder support and corner cylinder block are installed in the front on V type piece bottom plate's the both ends of controlling, and the location cylinder is supported by the location cylinder support, and the corner cylinder is supported by the corner cylinder block, and its characterized in that includes at least following step:
(1) a workpiece is placed on a rear V-shaped block driving wheel in the rear V-shaped block assembly by a manipulator, a workpiece sensing switch senses the existence of the workpiece, a motor is started to drive the rear V-shaped block driving wheel to rotate rapidly, and the workpiece rotates towards the direction of an end face positioning bearing under the action of the rear V-shaped block driving wheel;
(2) when the workpiece moves to the position that the end face of the workpiece contacts the end face positioning bearing, the end face positioning bearing rotates along with the rotation of the workpiece, and when the workpiece in-place sensing switch detects that the end face positioning bearing rotates, the motor is switched to rotate at a slow speed; meanwhile, starting a positioning cylinder to push the positioning pin to move towards the workpiece;
(3) when the positioning pin is displaced into a pin hole on the end face of the workpiece, the workpiece stops rotating under the action of the positioning pin, the end face positioning bearing also stops rotating, when the workpiece in-place sensing switch detects that the end face positioning bearing is static, the motor stops rotating, the corner cylinder pushes the head of the corner cylinder to rotate by 90 degrees, then the head of the corner cylinder moves downwards to clamp the workpiece, and then the marking machine is started to mark the workpiece;
(4) after marking is finished, the marking machine stops working, the positioning cylinder is started to push the positioning pin to move towards the opposite direction of the workpiece, when the pin to be positioned moves to the outside of a pin hole in the end face of the workpiece, the corner cylinder pushes the head of the corner cylinder to ascend, then the head of the corner cylinder rotates in the opposite direction by 90 degrees, and the workpiece is taken out by the manipulator.
2. The workpiece orientation process of claim 1, wherein: in the step (1), the power of the motor under the condition of fast rotation is 100W, and the axial displacement speed of the workpiece is 2 mm/s.
3. The workpiece orientation process of claim 1, wherein: in the step (2), the power of the motor under slow rotation is 30W, and the workpiece is static in the axial direction.
4. The workpiece orientation process of claim 1, wherein: and (4) in the step (3), the cylinder pressure of the positioning pin is 0.3 MPa.
5. The workpiece orientation process of claim 1, wherein: in the step (1-3), the workpiece inductive switch and the workpiece in-place inductive switch are inductive proximity switches.
6. The workpiece orientation process of claim 1, wherein: and (3) the positioning cylinder in the step (2) is a double-shaft magnetic opening cylinder.
CN202011049092.4A 2020-09-29 2020-09-29 Workpiece orientation process Active CN112264711B (en)

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Application Number Priority Date Filing Date Title
CN202011049092.4A CN112264711B (en) 2020-09-29 2020-09-29 Workpiece orientation process

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Application Number Priority Date Filing Date Title
CN202011049092.4A CN112264711B (en) 2020-09-29 2020-09-29 Workpiece orientation process

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CN112264711A CN112264711A (en) 2021-01-26
CN112264711B true CN112264711B (en) 2021-07-23

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4144398B2 (en) * 2003-02-24 2008-09-03 Ｊｆｅスチール株式会社 Method for aligning UOE steel pipe weld beads
CN206065694U (en) * 2016-09-19 2017-04-05 东莞市力星激光科技有限公司 A kind of laser cutting machine Pipe Cutting self-centering chuck
CN207464563U (en) * 2017-11-23 2018-06-08 重庆吉飞机械制造有限公司 A kind of shifting axle and shift fork positioning fixture for welding
CN209078150U (en) * 2018-10-30 2019-07-09 国家电网有限公司 A kind of welding position rotating jig
CN211073317U (en) * 2019-11-22 2020-07-24 广东豪美新材股份有限公司 Automatic clamping device of conductive copper seat
CN211218800U (en) * 2019-12-12 2020-08-11 襄阳福达东康曲轴有限公司 Special equipment for drilling straight oil hole or oblique oil hole on crankshaft

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