CN114535700B - Metal band sawing machine for metal plate processing - Google Patents
Metal band sawing machine for metal plate processing Download PDFInfo
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- CN114535700B CN114535700B CN202210351037.3A CN202210351037A CN114535700B CN 114535700 B CN114535700 B CN 114535700B CN 202210351037 A CN202210351037 A CN 202210351037A CN 114535700 B CN114535700 B CN 114535700B
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- 239000002184 metal Substances 0.000 title claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 2
- 230000033228 biological regulation Effects 0.000 claims 6
- 238000005555 metalworking Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000003754 machining Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D55/00—Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts
- B23D55/10—Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of devices for tensioning strap saw blades
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The application discloses strap sawing machine for sheet metal processing relates to sheet metal processing technology field, including workstation and the saw frame of setting on the workstation, be equipped with driving pulley, driven pulley and saw area on the saw frame, driving pulley and driven pulley rotate to be connected on the saw frame, be equipped with the band pulley motor on the saw frame, the output shaft and the driving pulley of band pulley motor link to each other, be equipped with the adjustment mechanism who is used for adjusting driven pulley's position on the saw frame, establish the straining device who is used for carrying out tensioning to the saw area on the driven pulley. After the saw band is sawed and loosened for many times, the saw band can be finely adjusted through the tensioning mechanism, tensioning of the saw band is achieved, and therefore sawing effect can be guaranteed.
Description
Technical Field
The application relates to the technical field of metal plate machining, in particular to a metal band sawing machine for metal plate machining.
Background
The prior band sawing machine generally comprises a saw frame, a driving belt pulley, a driven belt pulley and a saw belt, wherein the driving belt pulley and the driven belt pulley are arranged on the saw frame, and the saw belt is wound on the driving belt pulley and the driven belt pulley, and is driven to circularly move through the driving belt pulley, so that the band sawing machine can complete the sawing task of metal plates.
The inventor finds that after the saw band performs sawing tasks for a plurality of times, the saw band is easy to loosen, so that sawing effect is affected.
Disclosure of Invention
In order to solve the problem that sawing effect is influenced due to loosening of a saw belt, the application provides a metal band sawing machine for metal plate machining.
The application provides a metal strap sawing machine for sheet metal processing adopts following technical scheme: the utility model provides a metal strap sawing machine for sheet metal processing, includes the workstation and sets up the saw frame on the workstation, be equipped with driving pulley, driven pulley and saw area on the saw frame, driving pulley and driven pulley rotate to be connected on the saw frame, be equipped with the band pulley motor on the saw frame, the output shaft of band pulley motor links to each other with driving pulley, be equipped with the adjustment mechanism who is used for adjusting the position of driven pulley on the saw frame, establish the straining device who is used for carrying out tensioning to the saw area on the driven pulley.
By adopting the technical scheme, the distance between the driven belt wheel and the driving belt wheel can be adjusted by arranging the adjusting mechanism, so that the saw belt can be preliminarily tensioned, the saw belt is also convenient to wind on the driving belt wheel and the driven belt wheel, and then the saw belt is tensioned; through setting up straining device, saw band is saw cut not hard up the back many times, can finely tune the saw band, realize the tensioning to the saw band to can guarantee to saw cut the effect.
In a specific embodiment, the driven pulley comprises a plurality of tensioning blocks, a chassis and a limiting disc, the chassis is arranged on the saw frame, the plurality of tensioning blocks are circumferentially arranged on the chassis, the limiting disc is arranged on the tensioning blocks, and the tensioning mechanism is arranged among the plurality of tensioning blocks.
Through adopting above-mentioned technical scheme, through setting up straining device, straining device can promote the tensioning piece, when polylith tensioning piece kept away from each other, can finely tune the saw band, makes saw band tensioning, helps realizing better saw cutting effect.
In a specific embodiment, the tensioning mechanism comprises a driving assembly for driving a plurality of the tensioning blocks away from each other and a positioning assembly for positioning the tensioning blocks.
Through adopting above-mentioned technical scheme, through setting up drive assembly, drive assembly can promote the tensioning piece, through setting up locating component, locating component can fix a position the tensioning piece after promoting, avoids driving the tensioning piece to reset when driven the drive rotation as far as possible, and positioning mechanism can make the saw area keep tensioning state, realizes better saw cutting effect.
In a specific implementation mode, the driving assembly comprises a cam and a driving motor, the driving motor is arranged on a limiting disc, an output shaft of the driving motor penetrates through the limiting disc to be connected with the cam, the tensioning block is arranged on one side, facing the cam, of the chassis, a connecting rod and a roller are arranged between the tensioning block and the cam, one end of the connecting rod is connected with the tensioning block, the other end of the connecting rod is connected with the roller, the roller is in contact with the cam, and the cam is used for enabling the tensioning block to be far away from each other.
Through adopting above-mentioned technical scheme, driving motor drives the cam and rotates, at cam pivoted in-process, the outer fringe of cam contradicts with the gyro wheel, and the cam is outwards released the gyro wheel to the gyro wheel drives the connecting rod and outwards releases the tensioning piece, can realize simultaneously the promotion to polylith tensioning piece, is convenient for finely tune the tensioning force of saw band, makes the saw band keep tensioning state.
In a specific embodiment, the locating component includes locating piece and positioning sleeve, the locating piece sets up on the chassis, set up in the locating piece and hold the chamber, hold the chamber and be the toper, hold the bore in chamber and reduce gradually along the direction of keeping away from the tensioning piece, positioning sleeve sets up in holding the chamber, positioning sleeve's outer wall and the laminating of the inner wall of locating piece, a plurality of through-holes have been seted up on positioning sleeve's the lateral wall, be equipped with the ball in the through-hole, the connecting rod sets up in positioning sleeve.
Through adopting above-mentioned technical scheme, when the cam is released the locating lever, produce the friction between locating lever and the ball, the connecting rod pushes out the ball, the ball drives the locating sleeve towards keeping away from cam one side skew simultaneously, when the tensioning piece receives external force, the tensioning piece promotes the connecting rod towards being close to cam one side and removes, drive the locating sleeve towards being close to cam one side and remove, because hold the bore that the chamber is close to cam one side little, the locating piece extrudees the ball, the ball presss from both sides the connecting rod tightly, be convenient for fix a position the connecting rod.
In a specific implementation mode, a reset block is arranged on the chassis of one side, close to the tensioning block, of the positioning block, a reset groove is formed in one side, facing the positioning block, of the reset block, a spring groove is formed in one side, facing the reset block, of the positioning block, a spring is arranged in the spring groove, one end of the spring is in contact with the inner wall of the reset groove, and the other end of the spring is in contact with the inner wall of the spring groove.
Through adopting above-mentioned technical scheme, through setting up the spring, outwards release the connecting rod at the cam, when the connecting rod outwards releases the positioning sleeve, positioning sleeve extrusion spring, the spring is exerted reverse pressure to the positioning sleeve, makes the ball press from both sides the connecting rod tightly, helps avoiding the positioning rod to remove in the positioning sleeve as far as possible.
In a specific implementation mode, the connecting rod is sleeved with a sliding ring, one end of the connecting rod, which is far away from the roller, is provided with a sliding block, a sliding groove is formed in one side, which faces the cam, of the tensioning block, the sliding block is arranged in the sliding groove and is in sliding fit with the sliding groove, a limiting rod is connected to the sliding ring in a rotating mode, a clamping block is connected to the limiting rod in a rotating mode, a plurality of clamping blocks are arranged in the sliding grooves in the two sides of the sliding block, and a positioning piece used for positioning the sliding ring is arranged on the sliding ring.
Through adopting above-mentioned technical scheme, through adjusting the position of sliding ring on the connecting rod, can adjust the position of grip block in the sliding tray, when the sliding ring down moves, can drive the grip block of sliding block both sides and be close to each other, fix the sliding ring after the grip block is fixed the stopper centre gripping, can realize fixing the sliding block, the rethread setting element is fixed a position the sliding ring, helps avoiding the connecting rod to produce when removing to rock as far as possible, makes the connecting rod remove more stable.
In a specific embodiment, a reset mechanism for driving the tensioning block to reset is arranged on the driven pulley.
Through adopting above-mentioned technical scheme, through setting up canceling release mechanical system, adjust the back to the tensioning piece, make the tensioning piece reset, the tensioning piece of being convenient for is tensioning the saw band next time.
In a specific implementation manner, the reset mechanism comprises a linkage plate, a linkage cylinder and a linkage rod, wherein a reset frame is arranged on one side of the limit disc, which is away from the chassis, the linkage cylinder is arranged on the reset frame and faces the limit disc, a piston rod of the linkage cylinder penetrates through the reset frame to be connected with the linkage plate, and a plurality of linkage rods are arranged on one side of the linkage plate, which faces the cam; the locating sleeve is provided with the linkage piece on the lateral wall towards cam one side, the linkage piece sets up towards the lateral wall slope of gangbar one side, the gangbar passes spacing dish and the laminating of gangbar.
Through adopting above-mentioned technical scheme, the linkage cylinder drives the gangbar and moves towards being close to cam one side, and the gangbar outwards releases the linkage piece, and the linkage piece outwards releases the positioning sleeve, because positioning sleeve is close to tensioning piece one side bore big, exert pressure to the tensioning piece this moment, can promote the tensioning piece to be close to cam one side and remove, helps realizing the reset of tensioning piece.
In a specific implementation manner, the adjusting mechanism comprises an adjusting cylinder and an adjusting sliding rail, the adjusting cylinder and the adjusting sliding rail are arranged on one side, deviating from the chassis, of the saw frame, an adjusting block is arranged in the adjusting sliding rail, the adjusting block is in sliding fit with the adjusting sliding rail, a piston rod of the adjusting cylinder is connected with the adjusting block, an adjusting rod is arranged on the adjusting block, a waist-shaped groove is formed in one side, deviating from the chassis, of the saw frame, and the adjusting rod penetrates through the waist-shaped groove to be connected with the chassis.
Through adopting above-mentioned technical scheme, the governing cylinder drives the regulating block and removes, and the regulating block drives driven pulley and removes, is convenient for adjust the distance between driving pulley and the driven pulley to be convenient for install and tensioning saw band.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the tensioning mechanism, after the saw belt is sawed loose for many times, the saw belt can be finely adjusted, tensioning of the saw belt is realized, and therefore sawing effect can be guaranteed;
2. the driving assembly can push the tensioning block, the positioning assembly can position the pushed tensioning block, the tensioning block is prevented from being driven to rotate as much as possible, the tensioning block is prevented from being driven to reset, and the positioning mechanism can enable the saw belt to be in a tensioning state, so that a better sawing effect is achieved.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a schematic structural view of an adjusting mechanism in an embodiment of the present application.
Fig. 3 is a cross-sectional view of the internal structure of the tensioning mechanism in an embodiment of the present application.
Fig. 4 is a cross-sectional view of the internal structure of the driven pulley in the embodiment of the present application.
Fig. 5 is a partial schematic view of the internal structure of the driven pulley in the embodiment of the present application.
Fig. 6 is a schematic structural view of a positioning assembly according to an embodiment of the present application.
Reference numerals illustrate:
1. a work table; 11. a saw frame; 12. a driving pulley; 13. a driven pulley; 14. sawing the belt; 15. a waist-shaped groove; 2. an adjusting mechanism; 20. a fixing plate; 21. adjusting a cylinder; 22. adjusting the sliding rail; 23. an adjusting rod; 24. an adjusting block; 25. a moving block; 27. a moving groove; 3. a chassis; 31. a tensioning block; 4. a tensioning mechanism; 41. a drive assembly; 411. a driving motor; 412. a cam; 413. a center portion; 414. a protruding portion; 415. a connecting rod; 416. a roller; 42. a sliding block; 421. a sliding groove; 422. a slip ring; 423. a limit rod; 424. a clamping block; 425. a positioning piece; 43. a positioning assembly; 431. a positioning block; 432. positioning a sleeve; 433. a receiving chamber; 434. a ball; 435. a reset block; 436. a reset groove; 437. a spring groove; 438. a spring; 439. a through hole; 51. a limiting disc; 6. a reset mechanism; 61. a linkage plate; 62. a linkage cylinder; 63. a linkage rod; 64. a linkage block; 65. a reset frame; 7. a support rail; 71. a support block; 72. and a support groove.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses metal strap sawing machine for sheet metal processing, refer to fig. 1, metal strap sawing machine for sheet metal processing includes workstation 1 and saw frame 11 of setting on workstation 1, is equipped with driving pulley 12, driven pulley 13 and saw band 14 on the saw frame 11, and driving pulley 12 and driven pulley 13 interval set up on saw frame 11, and saw band 14 is around dress on driving pulley 12 and driven pulley 13. A belt wheel motor (not shown in the figure) is fixed on the saw frame 11 at one side of the driving belt wheel 12, the belt wheel motor is fixed inside the saw frame 11, an output shaft of the belt wheel motor is coaxially fixed with the driving belt wheel 12, the driving belt wheel 12 is driven to rotate by the belt wheel motor, the driving belt wheel 12 drives the saw belt 14 and the driven belt wheel 13 to rotate, and the saw belt 14 saw the metal plate in the rotating process.
Referring to fig. 2, the saw frame 11 on the driven pulley 13 side is provided with an adjusting mechanism 2, and the adjusting mechanism 2 is used for adjusting the position of the driven pulley 13. The adjusting mechanism 2 comprises an adjusting cylinder 21 and a plurality of adjusting slide rails 22, wherein the adjusting cylinder 21 and the adjusting slide rails 22 are fixed on the side wall of the saw frame 11 on the side away from the driven pulley 13, and the adjusting cylinder 21 is arranged on the side towards the adjusting slide rails 22. The adjusting slide rail 22 is provided with two adjusting blocks 24 which are transversely arranged on the side wall of the saw frame 11, the adjusting slide rail 22 is connected with the adjusting blocks 24 in a sliding way, the adjusting blocks 24 are fixedly provided with moving blocks 25, the adjusting slide rail 22 is provided with moving grooves 27, and the moving blocks 25 are arranged in the moving grooves 27 and are in sliding fit with the moving grooves 27. The piston rod of the adjusting cylinder 21 is fixedly connected with the adjusting block 24. An adjusting rod 23 is fixed on the adjusting block 24, a waist-shaped groove 15 is formed in the side wall of the saw frame 11, which is away from the driven belt pulley 13, the waist-shaped groove 15 is transversely arranged, and the adjusting rod 23 penetrates through the waist-shaped groove 15 to be connected with the driven belt pulley 13 in a rotating mode.
Referring to fig. 2, the piston rod of the adjusting cylinder 21 is extended to push the adjusting block 24 to move close to the driving pulley 12, thereby driving the driven pulley 13 to move towards the side close to the driving pulley 12, and when the distance between the driving pulley 12 and the driven pulley 13 is relatively close, the saw belt 14 is conveniently sleeved on the driving pulley 12 and the driven pulley 13. After the saw belt 14 is sleeved on the driving belt pulley 12 and the driven belt pulley 13, the piston rod of the adjusting cylinder 21 is contracted, and the adjusting cylinder 21 drives the driven belt pulley 13 to move towards the side far away from the driving belt pulley 12, so that the saw belt 14 is primarily tensioned.
Referring to fig. 2, two support rails 7 are fixed on the side wall of the saw frame 11 facing the driven pulley 13, support blocks 71 are arranged between the support rails 7, the support blocks 71 are in sliding fit with the support rails 7, a support groove 72 is formed in one side of the driven pulley 13 facing the support rails 7, and the support blocks 71 are arranged in the support groove 72 and are in rotary connection with the support groove 72. When the driven pulley 13 moves, the support rail 7 can guide the driven pulley 13, and the support block 71 can support the driven pulley 13 by providing the support block 71 in the support groove 72, so that the driven pulley 13 can be stably connected.
Referring to fig. 2 and 3, the driven pulley 13 includes a chassis 3, a plurality of tension blocks 31 provided on the chassis 3, and a stopper plate 51 fixed on the tension blocks 31, the stopper plate 51 being provided coaxially with the chassis 3. The diameters of the limiting disc 51 and the chassis 3 are larger than the outer diameter of the tensioning block 31, the saw band 14 is wound on the tensioning block 31 between the chassis 3 and the limiting disc 51, the limiting disc 51 and the chassis 3 can limit the saw band 14, and the saw band 14 is prevented from being separated from the driven belt wheel 13 as much as possible. The chassis 3 is rotatably connected to the supporting block 71, a plurality of tensioning blocks 31 are circumferentially arranged on the chassis 3 and are in sliding fit with the chassis 3, a tensioning mechanism 4 is arranged on the chassis 3, and the tensioning mechanism 4 is used for pushing the tensioning blocks 31 to be close to or far away from each other. The tensioning mechanism 4 comprises a driving assembly 41 and a positioning assembly 43, wherein the driving assembly 41 is arranged among the tensioning blocks 31 and is used for pushing the tensioning blocks 31 to tension the saw belt 14; the positioning assemblies 43 are provided with a plurality of groups, and each group of positioning assemblies 43 is used for positioning each tensioning block 31.
Referring to fig. 3, the driving assembly 41 includes a cam 412 and a driving motor 411, the driving motor 411 is fixed on the limiting plate 51, the cam 412 is disposed on one side of the chassis 3 facing the driving motor 411, the cam 412 is rotatably connected with the adjusting lever 23, an output shaft of the driving motor 411 passes through the limiting plate 51 to be coaxially fixed with the cam 412, and the driving motor 411 drives the cam 412 to rotate.
Referring to fig. 4, the cam 412 includes a central portion 413 and a convex portion 414, the central portion 413 and the convex portion 414 are fixedly connected, and in this embodiment, the central portion 413 is circularly disposed, and the convex portion 414 is provided with four and circumferentially arranged on a side wall of the central portion 413. A connecting rod 415 and a roller 416 are arranged between the tensioning block 31 and the cam 412, one end of the connecting rod 415 is connected with the tensioning block 31, the other end of the connecting rod is rotatably connected with the roller 416, and the roller 416 is abutted against the outer wall of the protruding portion 414 of the cam 412. The driving motor 411 drives the cam 412 to rotate, the cam 412 drives the roller 416 and the connecting rod 415 to push out the tensioning block 31, the tensioning block 31 is positioned through the positioning assembly 43 after pushing out, when the saw band 14 is loose, fine adjustment of the saw band 14 can be achieved by pushing out the tensioning block 31 outwards, tensioning is conducted on the saw band 14, and better sawing effect is achieved.
Referring to fig. 5, a sliding block 42 is fixed at one end of the connecting rod 415 away from the roller 416, a sliding groove 421 is formed in one side of the tensioning block 31 facing the cam 412, and the sliding block 42 is disposed in the sliding groove 421 and slidingly cooperates with the sliding groove 421. The connecting rod 415 is sleeved with a sliding ring 422, two limiting rods 423 are hinged to the sliding ring 422, each limiting rod 423 is rotatably connected with a clamping block 424, and the clamping blocks 424 are arranged in the sliding grooves 421 and are respectively arranged on two sides of the sliding block 42. The sliding ring 422 is provided with a positioning piece 425, the positioning piece 425 is used for positioning the sliding ring 422, the positioning piece 425 is specifically a bolt, the bolt is in threaded fit with the sliding ring 422, and the sliding ring 422 can be limited by abutting the bolt with the connecting rod 415. Through removing the sliding ring 422, when the sliding ring 422 moves towards the end close to the roller 416, the limiting rods 423 on two sides of the sliding block 42 drive the sliding ring 422 to be close to each other, the sliding block 42 is clamped, and the sliding ring 422 is fixed through bolts after clamping, so that the sliding block 42 can be fixed.
Referring to fig. 6, the positioning assembly 43 includes a positioning block 431 and a positioning sleeve 432, the positioning block 431 is fixed on one side of the chassis 3 facing the cam 412, a receiving cavity 433 is formed in the positioning block 431, the receiving cavity 433 is tapered, the caliber of the receiving cavity 433 gradually decreases along the direction close to the cam 412, the positioning sleeve 432 is disposed in the positioning block 431 and penetrates through the positioning block 431, and the outer wall of the positioning sleeve 432 is attached to the inner wall of the positioning block 431. The sidewall of the positioning sleeve 432 is provided with a plurality of through holes 439, and balls 434 are disposed in the through holes 439. A reset block 435 is arranged on one side of the positioning block 431 away from the roller 416, a reset groove 436 is formed on one side of the reset block 435 facing the positioning block 431, a spring groove 437 is formed on one side of the positioning sleeve 432 facing the reset block 435, a spring 438 is arranged in the reset groove 436, one end of the spring 438 is abutted against the inner wall of the reset groove 436, and the other end is abutted against the inner wall of the spring groove 437.
Referring to fig. 3, the driving motor 411 drives the cam 412 to rotate, so as to push the roller 416 and the connecting rod 415 outwards, and during pushing, the connecting rod 415 ejects the balls 434 outwards, so that the balls 434 drive the positioning sleeve 432 to move towards the side far away from the roller 416. When the tensioning block 31 is extruded by external force, the tensioning block 31 pushes the connecting rod 415 to move towards the cam 412 side, the connecting rod 415 rubs against the balls 434, the balls 434 drive the positioning sleeve 432 to move towards the side close to the cam 412, and the plurality of balls 434 extrude the connecting rod 415 to clamp the connecting rod 415 due to the fact that the caliber of the positioning sleeve 432 is gradually reduced.
Referring to fig. 3, a reset frame 65 is fixed on one side of the limiting disc 51 away from the chassis 3, a reset mechanism 6 for driving the tensioning block 31 to reset is arranged on the limiting disc 51, the reset mechanism 6 comprises a linkage plate 61, a linkage cylinder 62 and linkage rods 63, the linkage cylinder 62 is fixed on the reset frame 65 and is arranged towards the limiting disc 51, a piston rod of the linkage cylinder 62 penetrates through the reset frame to be connected with the linkage plate 61, the linkage rods 63 are fixed on one side of the linkage plate 61 towards the cam 412, and a plurality of linkage rods 63 are arranged, namely four in the embodiment; the positioning sleeve 432 is fixed with a linkage block 64 on the side wall facing the cam 412 side, the linkage block 64 is obliquely arranged towards the side wall facing the linkage rod 63 side, the linkage rod 63 is obliquely arranged towards the side wall facing the linkage block 64 side, and the linkage rod 63 passes through the limiting disc 51 and is attached to the linkage block 64.
Referring to fig. 3, when it is necessary to reset the tension block 31, the piston rod of the interlock cylinder 62 is contracted, the interlock cylinder 62 drives the interlock plate 61 and the interlock rod 63 on the interlock plate 61 to move toward the chassis 3, the interlock rod 63 pushes the interlock block 64 to move toward the side away from the cam 412, and the interlock block 64 pushes the positioning sleeve 432 out, so that the tension block 31 can be reset by pressing the tension block 31 inward.
The implementation principle of the embodiment of the application is as follows: the position of the driven belt pulley 13 is adjusted through the adjusting cylinder 21, when the driven belt pulley 13 is close to the driving belt pulley 12, the saw belt 14 is sleeved on the driving belt pulley 12 and the driven belt pulley 13, and the driven belt pulley 13 is driven to be far away from the driving belt pulley 12 through the adjusting cylinder 21, so that the saw belt 14 is primarily tensioned. After the saw band 14 is sawed and loosened for many times, the driving motor 411 drives the cam 412 to rotate, so that the tensioning blocks 31 are far away from each other, and the tensioning blocks 31 fine-tune the saw band 14, so that the saw band 14 is kept in a tensioning state. The linkage cylinder 62 drives the linkage plate 61 to move towards the side close to the cam 412, the plurality of linkage rods 63 drive the plurality of linkage blocks 64 to be far away from each other, the linkage blocks 64 push the positioning sleeve 432 outwards, and at the moment, pressure is applied to the tensioning blocks 31, so that the plurality of tensioning blocks 31 are close to each other, the tensioning blocks 31 can be reset, and the next operation is convenient.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (4)
1. The utility model provides a metal strap sawing machine for sheet metal processing, includes workstation (1) and sets up saw frame (11) on workstation (1), be equipped with driving pulley (12), driven pulley (13) and saw area (14) on saw frame (11), driving pulley (12) and driven pulley (13) rotate to be connected on saw frame (11), be equipped with the band pulley motor in saw frame (11), the output shaft and the driving pulley (12) of band pulley motor link to each other, its characterized in that: an adjusting mechanism (2) for adjusting the position of a driven belt wheel (13) is arranged on the saw frame (11), and a tensioning mechanism (4) for tensioning the saw belt (14) is arranged on the driven belt wheel (13);
the driven belt wheel (13) comprises a plurality of tensioning blocks (31), a chassis (3) and a limiting disc (51), wherein the chassis (3) is arranged on the saw frame (11), the tensioning blocks (31) are circumferentially arranged on the chassis (3), the limiting disc (51) is arranged on the tensioning blocks (31), and the tensioning mechanism (4) is arranged among the tensioning blocks (31);
the tensioning mechanism (4) comprises a driving assembly (41) and a positioning assembly (43), the driving assembly (41) is used for driving a plurality of tensioning blocks (31) to be far away from each other, and the positioning assembly (43) is used for positioning the tensioning blocks (31);
the driving assembly (41) comprises a cam (412) and a driving motor (411), the driving motor (411) is arranged on a limiting disc (51), an output shaft of the driving motor (411) penetrates through the limiting disc (51) to be connected with the cam (412), the tensioning block (31) is arranged on one side, facing the cam (412), of the chassis (3), a connecting rod (415) and a roller (416) are arranged between the tensioning block (31) and the cam (412), one end of the connecting rod (415) is connected with the tensioning block (31), the other end of the connecting rod is connected with the roller (416), the roller (416) is in contact with the cam (412), and the cam (412) is used for enabling the tensioning blocks (31) to be far away from each other;
the positioning assembly (43) comprises a positioning block (431) and a positioning sleeve (432), the positioning block (431) is arranged on the chassis (3), a containing cavity (433) is formed in the positioning block (431), the containing cavity (433) is conical, the caliber of the containing cavity (433) gradually decreases along the direction away from the tensioning block (31), the positioning sleeve (432) is arranged in the containing cavity (433), the outer wall of the positioning sleeve (432) is attached to the inner wall of the positioning block (431), a plurality of through holes (439) are formed in the side wall of the positioning sleeve (432), balls (434) are arranged in the through holes (439), and the connecting rod (415) is arranged in the positioning sleeve (432);
a reset mechanism (6) for driving the tensioning block (31) to reset is arranged on the driven belt wheel (13),
the reset mechanism (6) comprises a linkage plate (61), a linkage cylinder (62) and a linkage rod (63), wherein a reset frame (65) is arranged on one side, away from the chassis (3), of the limit plate (51), the linkage cylinder (62) is arranged on the reset frame (65) and faces the limit plate (51), a piston rod of the linkage cylinder (62) penetrates through the reset frame (65) to be connected with the linkage plate (61), and a plurality of linkage rods (63) are arranged on one side, facing the cam (412), of the linkage plate (61); the positioning sleeve (432) is provided with a linkage block (64) on the side wall facing one side of the cam (412), the linkage block (64) is obliquely arranged towards the side wall facing one side of the linkage rod (63), the linkage rod (63) is obliquely arranged towards the side wall facing one side of the linkage block (64), and the linkage rod (63) passes through the limiting disc (51) to be attached to the linkage block (64).
2. A metal band sawing machine for sheet metal working according to claim 1, wherein: the chassis (3) that locating piece (431) is close to tensioning piece (31) one side is last to be equipped with reset piece (435), reset groove (436) have been seted up to one side of reset piece (435) towards locating piece (431), spring groove (437) have been seted up to one side of locating piece (431) towards reset piece (435), be equipped with spring (438) in spring groove (437), the inner wall conflict of spring (438) one end and reset groove (436), the other end and the inner wall conflict of spring groove (437).
3. A metal band sawing machine for sheet metal working according to claim 1, wherein: the connecting rod (415) is sleeved with a sliding ring (422), one end of the connecting rod (415) away from the roller (416) is provided with a sliding block (42), one side of the tensioning block (31) facing the cam (412) is provided with a sliding groove (421), the sliding block (42) is arranged in the sliding groove (421) and is in sliding fit with the sliding groove (421), the sliding ring (422) is rotationally connected with a limiting rod (423), the limiting rod (423) is rotationally connected with a clamping block (424), the clamping block (424) is provided with a plurality of blocks and is arranged in the sliding grooves (421) on two sides of the sliding block (42), and the sliding ring (422) is provided with a positioning piece for positioning the sliding ring (422).
4. A metal band sawing machine for sheet metal working according to claim 1, wherein: the utility model provides a saw frame, including adjustment cylinder (21) and regulation slide rail (22), adjustment cylinder (21) and regulation slide rail (22) set up in one side that saw frame (11) deviates from chassis (3), be equipped with regulating block (24) in regulation slide rail (22), regulating block (24) and regulation slide rail (22) sliding fit, the piston rod of adjustment cylinder (21) links to each other with regulating block (24), be equipped with regulation pole (23) on regulating block (24), waist type groove (15) have been seted up to one side that saw frame (11) deviates from chassis (3), regulation pole (23) pass waist type groove (15) and link to each other with chassis (3).
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| CN202210351037.3A CN114535700B (en) | 2022-04-02 | 2022-04-02 | Metal band sawing machine for metal plate processing |
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| CN202210351037.3A CN114535700B (en) | 2022-04-02 | 2022-04-02 | Metal band sawing machine for metal plate processing |
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| CN115137423A (en) * | 2022-06-25 | 2022-10-04 | 苏州朗特斯医疗科技有限公司 | Anastomat percussion buffer structure and anastomat |
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