CN111702332A - Band saw blade steel band fixed-position welding device - Google Patents
Band saw blade steel band fixed-position welding device Download PDFInfo
- Publication number
- CN111702332A CN111702332A CN202010660165.7A CN202010660165A CN111702332A CN 111702332 A CN111702332 A CN 111702332A CN 202010660165 A CN202010660165 A CN 202010660165A CN 111702332 A CN111702332 A CN 111702332A
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- Prior art keywords
- wheel
- positioning
- pressing
- rotating wheel
- rotating
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 71
- 239000010959 steel Substances 0.000 title claims abstract description 71
- 238000003466 welding Methods 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 76
- 238000003825 pressing Methods 0.000 claims abstract description 51
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
-
- 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)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a band-saw-blade steel band positioning welding device which comprises a laser welding device, a traction device, a positioning rotating wheel and a pressing wheel, wherein the positioning rotating wheel is arranged right below the laser welding device, and the traction device is arranged on the discharge side of the positioning rotating wheel. The feeding side and the discharging side of the positioning rotating wheel are at least provided with a pressing wheel, each pressing wheel is connected with a pressing assembly, the positioning rotating wheel is driven by a servo motor to rotate towards the conveying direction of the steel belt, and the surface linear speed of the positioning rotating wheel is equal to the conveying speed of the steel belt. The pressing wheel enables the back material, the tooth material and the positioning rotating wheel to be in contact all the time, the back material and the welding surface of the tooth material are prevented from being not parallel and level, and the positioning is more accurate. The positioning rotating wheel rotates towards the conveying direction of the steel belt, and the surface linear velocity is equal to the conveying speed of the steel belt. So that the positioning rotating wheel and the steel belt do not generate relative motion, the abrasion of the positioning rotating wheel is reduced, and the steel belt is prevented from being scratched.
Description
Technical Field
The invention belongs to the field of welding processing of band saw blade steel bands, and particularly relates to a band saw blade steel band positioning welding device.
Background
The existing band saw blade steel band welding device generally adopts a pair of positioning wheels to guide the movement of the tooth material and the back material, a certain gap is reserved between the positioning wheels and the material, and when the movement direction of the material deviates, the positioning wheels limit the material so as to ensure that the tooth material and the back material are positioned on a positioning surface. The positioning wheel of the device can not rotate actively, and when materials contact the positioning wheel, relative movement is formed to cause abrasion of the positioning wheel. The surface of a steel strip product is easily scratched when the gap between the positioning wheel and the material is too small, and the back material and the welding surface of the tooth material are not parallel and level due to too large gap or abrasion of the positioning wheel, so that welding dislocation and welding deflection are caused, and unqualified welding or poor welding is caused.
Disclosure of Invention
The invention aims to provide a band saw blade steel band positioning welding device, which aims to solve the problems that a back material and a tooth material welding surface of the existing band saw blade steel band welding device are not flush and a positioning wheel is abraded. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a band saw blade steel band fixed-position welding device, includes laser welding ware, draw gear, location swiveling wheel and pinch roller, the location swiveling wheel sets up under laser welding ware, and draw gear sets up in the discharge side of location swiveling wheel, pinch roller are located the surperficial both sides of steel band respectively. The feeding side and the discharging side of the positioning rotating wheel are at least provided with a pressing wheel, each pressing wheel is connected with a pressing assembly, the positioning rotating wheel is driven by a servo motor to rotate towards the conveying direction of the steel belt, and the surface linear speed of the positioning rotating wheel is equal to the conveying speed of the steel belt.
From this, the pinch roller pushes down back of the body material, tooth material in the last arc surface of positioning rotation wheel through compressing tightly the subassembly, makes back of the body material, tooth material be in on same locating surface, makes material and positioning rotation wheel contact all the time, has avoided back of the body material and tooth material welding face not parallel and level, makes the location more accurate. The pressing assembly is generally a mechanism such as a spring or an air cylinder connected with the pressing wheel and capable of providing pushing force to the pressing wheel. Meanwhile, the servo motor drives the positioning rotating wheel to rotate towards the conveying direction of the steel belt, and the surface linear velocity of the positioning rotating wheel is equal to the conveying speed of the steel belt, so that the positioning rotating wheel and the steel belt do not move relatively, the abrasion of the positioning rotating wheel is reduced, and the steel belt is prevented from being scratched.
Specifically, the front side and the rear side of the positioning rotating wheel are respectively provided with a gear rotating positioning wheel and a back material rotating pressing wheel, and the back material rotating pressing wheel is connected with a pressing assembly; the gear rotating positioning wheel and the back material rotating pressing wheel are driven by the servo motor to rotate towards the steel belt conveying direction. The rotatory pinch roller of back of the body passes through the subassembly that compresses tightly and applys inward pressure to the back of the body, impels the back of the body to keep drawing close to the profile of tooth, guides welding edge between them and is in laser welding point position. Similarly, the gear rotating positioning wheel and the back material rotating pressing wheel are driven by the servo motor to rotate towards the conveying direction of the steel strip, the surface linear velocity is equal to the conveying speed of the steel strip, relative motion is not generated between the gear rotating positioning wheel and the back material rotating pressing wheel and the steel strip, abrasion of the gear rotating positioning wheel and the back material rotating pressing wheel is reduced, and the steel strip is prevented from being scratched.
Specifically, the traction device comprises a pair of traction wheels clamped on the upper side and the lower side of the steel belt and a servo motor for driving the traction wheels to rotate. The steel belt is drawn by the traction wheels with opposite rotating directions and consistent speed at the upper side and the lower side.
In order to ensure that the laser can weld thoroughly during welding, the surface of the positioning rotating wheel is provided with a groove along the circumferential direction, and the groove is opposite to the laser welding spot. Therefore, when welding, the distance between the laser welding point and the positioning rotating wheel can be increased, and damage to the positioning rotating wheel caused by laser can be avoided as much as possible while laser penetration is guaranteed.
In order to clean impurities such as welding slag attached to the surface of the positioning rotating wheel in time, a cleaning wheel tangent to the surface of the positioning rotating wheel is arranged below the positioning rotating wheel.
In order to scrape impurities such as welding slag in the groove in time and ensure that the impurities cannot be accumulated in the groove, the surface of the cleaning wheel is provided with a scraping blade extending into the groove.
Specifically, the pressing component is a spring or an air cylinder.
The invention has the following beneficial effects: the compressing wheel presses back materials and tooth materials on the upper arc surface of the positioning rotating wheel through the compressing assembly, so that the back materials and the tooth materials are located on the same positioning surface, the materials are in contact with the positioning rotating wheel all the time, the back materials and the tooth material welding surface are prevented from being not parallel and level, and the positioning is more accurate. The positioning rotating wheel is driven by a servo motor to rotate towards the conveying direction of the steel belt, and the surface linear velocity is equal to the conveying speed of the steel belt. So that the positioning rotating wheel and the steel belt do not generate relative motion, the abrasion of the positioning rotating wheel is reduced, and the steel belt is prevented from being scratched.
Drawings
FIG. 1 is a schematic plan view of an embodiment;
FIG. 2 is a schematic top view of an embodiment;
FIG. 3 is a schematic side view of an embodiment;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
fig. 5 is an enlarged schematic view of B in bitmap 4.
In the figure: 1-positioning rotating wheel, 101-groove, 2-cleaning wheel, 3-pressing wheel, 4-traction device, 41-traction wheel, 5-backing material rotating pressing wheel, 6-tooth material rotating positioning wheel, 7-laser welding device, 8-backing material, 9-tooth material, 10-steel belt, 11-pressing component and 12-laser welding spot.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1-5, the band saw blade steel band fixed-position welding device of this embodiment mainly comprises fixed rotation wheel 1, cleaning wheel 2, pinch roller 3, draw gear 4, back material rotation pinch roller 5, tooth material rotation positioning wheel 6, laser welding ware 7, compress tightly subassembly 11, wherein:
referring to fig. 1 to 3, a positioning rotation wheel 1 is disposed right below a laser welder 7, and a traction device 4 is disposed on a discharge side of the positioning rotation wheel 1. The feeding side and the discharge side of the positioning rotation wheel 1 are respectively provided with a pressing wheel 3, the positioning rotation wheel 1, the pressing wheels 3 are respectively positioned on the upper side and the lower side of a steel belt 10, each pressing wheel 3 is connected with a pressing component 11, a back material 8 is pressed through the pressing component 11, a tooth material 9 is pressed on the upper arc surface of the positioning rotation wheel 1, the back material 8 is made to be positioned on the same positioning surface, the material is always contacted with the positioning rotation wheel 1, the non-parallel and level welding surfaces of the back material 8 and the tooth material 9 are avoided, the positioning is more accurate, the pressing components 11 are mechanisms which can provide thrust for the pressing wheels, such as springs or cylinders connected with the pressing wheels. Meanwhile, the positioning rotary wheel 1 is driven by a servo motor (not shown) to rotate towards the conveying direction of the steel belt 10, and the surface linear velocity of the positioning rotary wheel 1 is equal to the conveying speed of the steel belt 10. So that the positioning rotating wheel 1 and the steel belt 10 do not generate relative movement, the abrasion of the positioning rotating wheel 1 is reduced, and the steel belt is prevented from being scratched.
Referring to fig. 1-3, a gear rotating positioning wheel 6 and a back material rotating pressing wheel 5 are respectively arranged on the front side and the back side of the positioning rotating wheel 1, and the back material rotating pressing wheel 5 is connected with a pressing assembly 11. The back material rotating pressing wheel 5 applies inward pressure to the back material 8 through the pressing assembly 11, so that the back material 8 keeps close to the tooth material 9, and the welding edge of the back material rotating pressing wheel and the tooth material 9 is guided to be at the position of a laser welding point. Similarly, the toothed material rotation positioning wheel 6 and the back material rotation pressing wheel 5 are driven by a servo motor (not shown) to rotate towards the conveying direction of the steel belt 10, and the surface linear velocity is equal to the conveying speed of the steel belt 10, so that the toothed material rotation positioning wheel 6, the back material rotation pressing wheel 5 and the steel belt 10 do not move relatively, the abrasion of the toothed material rotation positioning wheel 6 and the back material rotation pressing wheel 5 is reduced, and the steel belt is prevented from being scratched.
Referring to fig. 1-2, the traction device 4 includes a pair of traction wheels 401 clamped to upper and lower sides of the steel strip 10 and a servo motor (not shown) for driving the traction wheels 401 to rotate. The steel strip 10 is drawn by the drawing wheels 401 of which the upper and lower sides rotate in opposite directions and at the same speed.
Referring to fig. 3-5, to ensure laser penetration during welding, the surface of the positioning and rotating wheel 1 is provided with a groove 101 along the circumferential direction, and the groove 101 is aligned with the laser spot 12. Therefore, when welding, the distance between the laser welding spot 12 and the positioning rotating wheel 1 can be increased, and the laser can be prevented from damaging the positioning rotating wheel 1 as far as possible while the laser is ensured to be completely welded.
Referring to fig. 4-5, in order to clean impurities such as welding slag attached to the surface of the positioning rotating wheel 1 and the groove 101 in time, a cleaning wheel 2 is arranged below the positioning rotating wheel 1 and is tangent to the surface of the positioning rotating wheel 1, and the cleaning wheel 2 may be a brush wheel or other brush wheels with a cleaning function. The surface of the cleaning wheel 2 is provided with a scraping blade (not shown) extending into the groove.
The principle of the above embodiment is as follows:
the steel belt 10 penetrates between two traction wheels 41 of the traction device 4, the power of the traction device 4 is that a servo motor respectively drives a speed reducer to respectively drive the traction wheels 41, the traction device 4 drives the steel belt 10 to move, the traction device 4 is provided with an encoder, and the running speed of the steel belt 10 is fed back to enable the positioning rotating wheel 1, the back material rotating positioning wheel 5 and the gear rotating positioning wheel 6 to be the same as the running speed of the steel belt 10, and the steel belt 10 does not move relatively.
The steel belt 10 passes through on the positioning rotating wheel 1, and the product is downwards compressed by the compression wheel 3 to enable the steel belt 10 to be in arc contact with the positioning rotating wheel 1, so that the steel belt 10 is in contact with the rotary positioning wheel 1 all the time in the operation process, and the upward positioning in the up-down direction is realized. The pinch roller 3 is a movable pinch roller mechanism, and has certain pressing force and stroke which can be set and adjusted.
When the steel belt 10 passes over the positioning rotation wheel 1, the gear rotation positioning wheel 6 is a rotation fixing member and a positioning reference in the front-rear direction. The gear rotating and positioning wheel 6 is structurally a servo motor with a speed reducer, receives the speed of the traction device 4 and enables the gear rotating and positioning wheel 6 and the steel belt 10 not to move relatively.
The structure of the back material rotation positioning wheel 5 is a servo motor with a speed reducer, and the speed of the traction part 4 is received, so that the back material rotation positioning wheel 5 and the steel belt 10 do not move relatively. The back material rotary positioning wheel 5 is installed on the pressing component 11, and the back material rotary positioning wheel 5 is pressed towards the direction of the tooth material rotary positioning wheel 6 under the driving of the pressing component 11, so that the front and back positioning and tightening are realized.
The wheel 1 is shown with a groove 101 and the backing material 8 is in contact with the teeth 9 above the groove 101 in order to ensure laser penetration during welding and to avoid damage to the wheel 1 by the laser. The laser part welds the backing material 8 and the tooth material 9 together according to the set requirements, with the laser weld 12 above the grooves 101. The cleaning wheel 2 is arranged below the positioning rotating wheel 1, and the cleaning wheel 2 is used for cleaning impurities on the surface of the positioning rotating wheel 1 and impurities in the groove 101 and ensuring that the surface is a clean surface when the surface is contacted with a product.
Claims (7)
1. The utility model provides a band saw blade steel band fixed-position welding device, includes laser welding ware, draw gear, positioning rotation wheel and pinch roller, positioning rotation wheel sets up under laser welding ware, and draw gear sets up in the discharge side of positioning rotation wheel, and positioning rotation wheel, pinch roller are located the surperficial both sides of steel band respectively, its characterized in that: the feeding side and the discharging side of the positioning rotating wheel are at least provided with a pressing wheel, each pressing wheel is connected with a pressing assembly, the positioning rotating wheel is driven by a servo motor to rotate towards the conveying direction of the steel belt, and the surface linear speed of the positioning rotating wheel is equal to the conveying speed of the steel belt.
2. The device for tack welding a steel band with a saw blade according to claim 1, characterized in that: the front side and the rear side of the positioning rotating wheel are respectively provided with a gear rotating positioning wheel and a back material rotating pressing wheel, and the back material rotating pressing wheel is connected with a pressing assembly; the gear rotating positioning wheel and the back material rotating pressing wheel are driven by the servo motor to rotate towards the conveying direction of the steel strip, and the surface linear speeds of the gear rotating positioning wheel and the back material rotating pressing wheel are equal to the conveying speed of the steel strip.
3. The device for tack welding a steel band with a saw blade according to claim 1 or 2, characterized in that: the traction device comprises a pair of traction wheels clamped at the upper side and the lower side of the steel belt and a servo motor for driving the traction wheels to rotate.
4. The device for tack welding a steel band with a saw blade according to claim 1 or 2, characterized in that: the surface of the positioning rotating wheel is provided with a groove along the circumferential direction, and the groove is right opposite to the laser welding spot.
5. The device for tack welding of a steel band with a saw blade according to claim 4, characterized in that: and a cleaning wheel tangent to the surface of the positioning rotating wheel is arranged below the positioning rotating wheel.
6. The device for tack welding a steel band with a saw blade according to claim 5, characterized in that: and the surface of the cleaning wheel is provided with a scraping blade extending into the groove.
7. The device for tack welding a steel band with a saw blade according to claim 1 or 2, characterized in that: the pressing component is a spring or an air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660165.7A CN111702332A (en) | 2020-07-10 | 2020-07-10 | Band saw blade steel band fixed-position welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660165.7A CN111702332A (en) | 2020-07-10 | 2020-07-10 | Band saw blade steel band fixed-position welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111702332A true CN111702332A (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010660165.7A Pending CN111702332A (en) | 2020-07-10 | 2020-07-10 | Band saw blade steel band fixed-position welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111702332A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953594A (en) * | 2021-11-12 | 2022-01-21 | 福建恒而达新材料股份有限公司 | Equipment and process for machining saw blade of tooth welding belt |
-
2020
- 2020-07-10 CN CN202010660165.7A patent/CN111702332A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953594A (en) * | 2021-11-12 | 2022-01-21 | 福建恒而达新材料股份有限公司 | Equipment and process for machining saw blade of tooth welding belt |
| CN113953594B (en) * | 2021-11-12 | 2022-08-12 | 福建恒而达新材料股份有限公司 | Equipment and process for machining saw blade of tooth welding belt |
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