CN214161819U - Chain transmission device for automatic feeding of laser cutting machine - Google Patents
Chain transmission device for automatic feeding of laser cutting machine Download PDFInfo
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- CN214161819U CN214161819U CN202023027095.6U CN202023027095U CN214161819U CN 214161819 U CN214161819 U CN 214161819U CN 202023027095 U CN202023027095 U CN 202023027095U CN 214161819 U CN214161819 U CN 214161819U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 85
- 238000003698 laser cutting Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000003028 elevating effect Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000010009 beating Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
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Abstract
The utility model discloses a chain transmission device for automatic feeding of a laser cutting machine, which comprises a driving component (1) arranged on a feeding rack (3) and a lifting component (2) arranged on the driving component; the driving assembly comprises a motor (12) arranged on a cross beam of the feeding rack (3) and chain transmission mechanisms symmetrically connected to output ends on two sides of the motor; the chain transmission mechanism comprises a coupling (11), a driving shaft (13), a bearing with a seat (14), a driving gear (15), a transmission chain (16), an adjusting interface assembly, a driven shaft (112) and a driven gear (116); the lifting component is connected between the two groups of adjusting interface components, so that the lifting component can synchronously drive along with the chain transmission mechanisms between the two groups of chain transmission mechanisms. The utility model discloses can realize accurate, the stable transmission of elevating platform through the meshing transmission of driving chain and gear, realize laser cutting machine's the accurate material loading of panel to promote the security of material loading in-process through limit structure.
Description
Technical Field
The utility model relates to a laser cutting machine accessory especially relates to a chain drive for laser cutting machine automatic feeding.
Background
The laser cutting machine achieves the purpose of cutting a workpiece by melting or gasifying the workpiece through a high-power-density laser beam, has regular cutting seams and high working efficiency, and is widely used in the field of metal plate processing. Along with the development of automated production, laser cutting machine adopts automatic feeding to replace artifical material loading, and the transmission mode of prior art's panel material loading is belt transmission mostly, and the belt passes through the belt pulley realization transmission under the drive of motor, but because what adopt between belt pulley and the belt is the mechanical transmission mode that relies on frictional force to transmit motion and power, has following shortcoming in the transmission process:
1) certain elastic sliding exists between the belt and the belt pulley, so that constant transmission ratio cannot be ensured, and the transmission precision and the transmission efficiency are low.
2) Because the belt needs tensioning when the during operation, the belt has very big pressure axle power to the belt pulley axle, leads to the safety in utilization and the life-span reduction of belt pulley axle.
3) The belt transmission has large overall structure size and is not compact, and a larger installation space needs to be occupied.
4) The belt is rubbed repeatedly in the use, and life is short, needs often to change, has improved laser cutting machine's production and maintenance cost to a certain extent.
Disclosure of Invention
An object of the utility model is to provide a chain drive for laser cutting machine automatic feeding can realize accurate, the stable transmission of elevating platform through the meshing transmission of driving chain and gear to realize laser cutting machine's the accurate material loading of panel, and promoted the security of material loading in-process through limit structure.
The utility model discloses a realize like this:
a chain transmission device for automatic feeding of a laser cutting machine comprises a driving assembly and a lifting assembly, wherein the driving assembly is mounted on a feeding frame of the laser cutting machine, and the lifting assembly is mounted on the driving assembly; the driving assembly comprises a motor arranged on a cross beam of the feeding rack and chain transmission mechanisms symmetrically connected to output ends on two sides of the motor; the chain transmission mechanism comprises a coupling, a driving shaft, a bearing with a seat, a driving gear, a transmission chain, an adjusting interface assembly, a driven shaft and a driven gear; one end of the driving shaft is coaxially connected with one output end of the motor through a coupler and synchronously rotates, the other end of the driving shaft is installed on a cross beam of the feeding rack through a bearing with a seat, and a driving gear is installed on the other end of the driving shaft; the driven shaft is rotatably embedded at the bottom of the feeding rack, and a driven gear is arranged on the driven shaft, so that a transmission chain with an adjusting interface component is meshed and connected between the driven gear and the driving gear; two ends of the lifting component are connected between the adjusting interface components of the two groups of chain transmission mechanisms through the mounting rack, so that the lifting component can synchronously transmit between the two groups of chain transmission mechanisms along with the chain transmission mechanisms.
The adjusting interface component comprises an upper interface part, a screw rod and a lower interface part; screw holes matched with the screw rods are formed in the upper interface part and the lower interface part, so that two ends of each screw rod are respectively in adjustable screwed connection with the upper interface part and the lower interface part; the upper interface component and the lower interface component are respectively connected to two ends of the transmission chain, so that the transmission chain forms a closed-loop structure through the adjusting interface component.
The mounting bracket on be formed with the screw rod assorted through-hole of adjusting interface subassembly, make the mounting bracket pass through the through-hole cup joint on the screw rod, and the mounting bracket is located between interface spare and the lower interface spare.
An inverted U-shaped mounting groove is formed at the bottom of the feeding rack, and the driven shaft is clamped in the mounting groove in a matching manner through a clamping block; flanges are formed at two ends of the driven shaft and are attached to the outer wall of the rack at two ends of the mounting groove.
The driving gear and the driving shaft are provided with an expansion sleeve therebetween, so that the driving gear and the driving shaft are fixedly connected and synchronously rotate.
And a driven wheel bearing is arranged between the driven gear and the driven shaft, so that the driven gear and the driven shaft are fixedly connected and synchronously rotate.
The driven wheel bearing is sleeved with a backing ring and is in contact connection with the inner wall of the mounting groove of the backing ring feeding rack.
The lifting assembly comprises a lifting platform and a rolling bearing; a plurality of rolling bearings are respectively installed on two sides of the lifting platform at intervals through bearing installation plates, sliding grooves are formed in two sides of the feeding rack, the rolling bearings can be embedded in the sliding grooves in a matched mode, and the lifting assembly can move up and down along the sliding grooves.
Elevating platform one side be equipped with spacing touching panel beating, one side upper portion and the lower part of material loading frame all are equipped with limit switch, when making the elevating platform lift removal between two limit switch, spacing touching panel beating can be rather than one limit switch contact.
The feeding frame is provided with a mechanical limit stop, and the bottom end of each sliding groove of the feeding frame is provided with the mechanical limit stop.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses owing to adopted meshing driven driving chain and gear, compare with the transmission of prior art friction type belt and belt pulley, elastic sliding and the phenomenon of skidding can not take place for the chain drive structure, can keep accurate average drive ratio, and transmission efficiency and transmission stability are higher, can ensure laser cutting machine's automatic feeding's reliability.
2. The utility model discloses owing to adopted the driving chain, and can adjust the elasticity degree of driving chain through adjusting the interface module, because the stability of meshing connection is higher, the tensioning degree of driving chain can be less than the tensioning degree of belt greatly, makes the driving chain less to the load of gear shaft, can reduce the friction loss of bearing, long service life.
3. The utility model discloses a compact structure, the overload capacity is strong, and required transmission size and installation space are little, and adaptability is higher.
Drawings
Fig. 1 is a perspective view of the chain transmission for automatic feeding of a laser cutting machine according to the present invention;
FIG. 2 is a perspective view of the drive assembly of the present invention used in the automatic loading chain drive of the laser cutting machine;
FIG. 3 is a schematic view partially at I of FIG. 2;
FIG. 4 is a perspective view of a closed loop structure of a transmission chain in the chain transmission device for automatic feeding of the laser cutting machine of the present invention;
fig. 5 is a perspective view of the lifting assembly in the chain transmission device for automatic loading of the laser cutting machine of the present invention.
In the figure, 1 driving component, 11 couplings, 12 motors, 13 driving shafts, 14 bearings with seats, 15 driving gears, 16 transmission chains, 17 upper connectors, 18 screws, 19 lower connectors, 111 mechanical limit stops, 112 driven shafts, 113 fixture blocks, 115 backing rings, 116 driven gears, 117 expansion sleeves, 2 lifting components, 21 lifting platforms, 22 bearing mounting plates, 23 rolling bearings, 24 limit touch metal plates, 25 mounting frames, 3 feeding frames and 31 limit switches.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, the chain transmission device for automatic feeding of the laser cutting machine comprises a driving assembly 1 arranged on a feeding rack 3 of the laser cutting machine and a lifting assembly 2 arranged on the driving assembly 1; referring to fig. 2, the driving assembly 1 includes a motor 12 mounted on the cross beam of the loading frame 3 and chain transmission mechanisms symmetrically connected to the output ends of both sides of the motor 12; the chain transmission mechanism comprises a coupling 11, a driving shaft 13, a bearing 14 with a seat, a driving gear 15, a transmission chain 16, an adjusting interface assembly, a driven shaft 112 and a driven gear 116; one end of a driving shaft 13 is coaxially connected with one output end of the motor 12 through a coupler 11 and synchronously rotates, the other end of the driving shaft 13 is installed on a cross beam of the feeding rack 3 through a bearing with a seat 14, and a driving gear 15 is installed on the other end of the driving shaft 13; the driven shaft 112 is rotatably embedded at the bottom of the feeding rack 3, and a driven gear 116 is arranged on the driven shaft 112, so that the transmission chain 16 with the adjusting interface component is meshed and connected between the driven gear 116 and the driving gear 15; two ends of the lifting component 2 are connected between the adjusting interface components of the two groups of chain transmission mechanisms through the mounting rack 25, so that the lifting component 2 can synchronously transmit between the two groups of chain transmission mechanisms along with the chain transmission mechanisms. The transmission chain 16 is meshed with the driving gear 15 and the driven gear 116, so that the slipping phenomenon is avoided, the transmission synchronism, reliability and safety can be ensured, the tensioning degree of the transmission chain 16 between the driving gear 15 and the driven gear 116 can be reduced, the load on a gear shaft is reduced, the abrasion of a chain transmission mechanism is reduced, and the service life is prolonged.
Referring to fig. 4, the adjusting interface assembly includes an upper interface 17, a screw 18 and a lower interface 19; screw holes (not shown in the figure) matched with the screw rods 18 are formed in the upper interface part 17 and the lower interface part 19, so that two ends of each screw rod 18 are respectively in adjustable screwed connection with the upper interface part 17 and the lower interface part 19; the upper interface 17 and the lower interface 19 are connected to the two ends of the transmission chain 16, respectively, so that the transmission chain 16 forms a closed loop structure through adjusting the interface components. The tightness degree of the transmission chain 16 with a closed loop structure can be adjusted through the threaded rotation adjustment between the threaded rods 18 and the threaded holes of the upper interface part 17 and the lower interface part 19, so that the synchronism and the safety of the chain transmission are ensured.
The mounting rack 25 is provided with a through hole matched with the screw rod 18, so that the mounting rack 25 is sleeved on the screw rod 18 through the through hole, and the mounting rack 25 is positioned between the upper interface part 17 and the lower interface part 19. Mounting bracket 25 can with screw rod 18 fixed connection, and the driving chain 16 through adjusting interface unit formation closed loop structure is at driven gear 116 and driving gear 15 between the cyclic transmission to drive mounting bracket 25 up-and-down motion, thereby realize lifting unit 2's up-and-down motion, go up interface unit 17 and interface unit 19 and can also play spacing effect to mounting bracket 25, prevent that lifting unit 2 from droing.
An inverted U-shaped mounting groove is formed at the bottom of the feeding frame 3, and the driven shaft 112 is clamped in the mounting groove in a matching manner through a clamping block 113; flanges are formed at two ends of the driven shaft 112 and are attached to the outer wall of the rack at two ends of the mounting groove, so that the driven shaft 112 cannot be separated from the mounting groove, and the driven shaft 112 can rotate in the mounting groove.
An expansion sleeve 117 is arranged between the driving gear 15 and the driving shaft 13, so that the driving gear 15 and the driving shaft 13 are fixedly connected and synchronously rotate, the driving gear 15 and the driving shaft 13 are prevented from slipping in the transmission process, and the transmission synchronism is ensured.
Referring to fig. 3, a driven wheel bearing is installed between the driven gear 116 and the driven shaft 112, so that the driven gear 116 and the driven shaft 112 are fixedly connected and synchronously rotate, thereby preventing slipping during transmission and ensuring transmission synchronism.
Driven wheel bearing on cup jointed backing ring 115, driven wheel bearing passes through the mounting groove inner wall contact connection of backing ring 115 feed frame 3, accessible backing ring 115 prevents that the bearing from making a round trip to move when rotating, has further ensured transmission efficiency and stability.
Referring to fig. 5, the lifting assembly 2 includes a lifting platform 21 and a rolling bearing 23; a plurality of rolling bearings 23 are respectively installed on two sides of the lifting platform 21 at intervals through bearing installation plates 22, sliding grooves are formed on two sides of the feeding rack 3, and the rolling bearings 23 can be embedded in the sliding grooves in a matching mode, so that the lifting component 2 can move up and down along the sliding grooves. The moving track of the lifting component 2 can be limited by the rolling bearing 23 and the sliding groove, the moving stability of the lifting platform 21 is improved, and the lifting platform 21 is prevented from inclining. The number of the rolling bearings 23 can be determined according to the size and the weight of the lifting platform 21 and the plate, preferably, four rolling bearings 23 are symmetrically installed on each side surface of the lifting platform 21, and correspondingly, two sliding grooves are arranged on each side of the feeding frame 3.
The feeding frame 3 is provided with a mechanical limit stop 111, the bottom end of each sliding groove is provided with the mechanical limit stop 111, the downward movement stroke of the rolling bearing 23 can be limited by the mechanical limit stop 111, and the lifting platform 21 is prevented from falling off from the feeding frame 3.
The utility model discloses a theory of operation is:
the motor 12 drives the driving shaft 13 to rotate through the coupling 11, and the seated bearing 14 supports the driving shaft 13 to keep the driving gear 15 on the driving shaft 13 to stably rotate. Under the meshing transmission of the transmission chain 16, the driven shaft 112 and the driven gear 116 are synchronously transmitted, the tension degree of the transmission chain 16 between the driving gear 15 and the driven gear 116 is adjusted through the relative thread rotation of the screw rod 18 and the upper interface part 17 and the lower interface part 19, and the accurate and stable transmission is realized by using the tooth. Driven by the transmission chain 116, the lifting platform 21 keeps synchronous up-and-down movement with the transmission chain 16 through the mounting frame 25, and meanwhile, the levelness and the stability of the lifting platform 21 are further improved through the matching of the rolling bearing 23 and the sliding chute, so that the cutting plates can be stably lifted and transported through the lifting platform 21.
In the process of lifting the lifting platform 21, the mechanical limit stop 111 at the bottom of the sliding groove can limit the descending stroke of the rolling bearing 23, and the upper limit switch 31 and the lower limit switch 31 on the side part of the feeding rack can limit the ascending stroke and the descending stroke of the limit touch metal plate 24, so that the double-guarantee effect is achieved, and the safety and the controllability of the stroke of the lifting platform 21 are ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a chain drive for laser cutting machine automatic feeding, characterized by: the automatic feeding device comprises a driving component (1) arranged on a feeding rack (3) of the laser cutting machine and a lifting component (2) arranged on the driving component (1); the driving assembly (1) comprises a motor (12) arranged on a cross beam of the feeding rack (3) and chain transmission mechanisms symmetrically connected to output ends on two sides of the motor (12); the chain transmission mechanism comprises a coupling (11), a driving shaft (13), a bearing with a seat (14), a driving gear (15), a transmission chain (16), an adjusting interface assembly, a driven shaft (112) and a driven gear (116); one end of a driving shaft (13) is coaxially connected with one output end of a motor (12) through a coupler (11) and synchronously rotates, the other end of the driving shaft (13) is installed on a cross beam of the feeding rack (3) through a bearing with a seat (14), and a driving gear (15) is installed at the other end of the driving shaft (13); the driven shaft (112) is rotatably embedded at the bottom of the feeding rack (3), a driven gear (116) is arranged on the driven shaft (112), and a transmission chain (16) with an adjusting interface component is meshed and connected between the driven gear (116) and the driving gear (15); two ends of the lifting component (2) are connected between the adjusting interface components of the two groups of chain transmission mechanisms through the mounting rack (25), so that the lifting component (2) can synchronously drive along with the chain transmission mechanisms between the two groups of chain transmission mechanisms.
2. The chain transmission device for the automatic feeding of the laser cutting machine as claimed in claim 1, wherein: the adjusting interface component comprises an upper interface part (17), a screw rod (18) and a lower interface part (19); screw holes matched with the screw rods (18) are formed in the upper interface part (17) and the lower interface part (19), so that two ends of each screw rod (18) are respectively connected with the upper interface part (17) and the lower interface part (19) in an adjustable and screwed mode; the upper interface piece (17) and the lower interface piece (19) are respectively connected to two ends of the transmission chain (16), so that the transmission chain (16) forms a closed-loop structure through adjusting the interface components.
3. The chain transmission device for the automatic feeding of the laser cutting machine as claimed in claim 1, wherein: the mounting bracket (25) is provided with a through hole matched with the screw rod (18) for adjusting the interface component, so that the mounting bracket (25) is sleeved on the screw rod (18) through the through hole, and the mounting bracket (25) is positioned between the upper interface component (17) and the lower interface component (19).
4. The chain transmission device for the automatic feeding of the laser cutting machine as claimed in claim 1, wherein: an inverted U-shaped mounting groove is formed at the bottom of the feeding rack (3), and the driven shaft (112) is clamped in the mounting groove in a matching manner through a clamping block (113); flanges are formed at two ends of the driven shaft (112), and the flanges are attached to the outer walls of the racks at two ends of the mounting groove.
5. The chain transmission device for the automatic feeding of the laser cutting machine as claimed in claim 1, wherein: an expansion sleeve (117) is arranged between the driving gear (15) and the driving shaft (13), so that the driving gear (15) and the driving shaft (13) are fixedly connected and synchronously rotate.
6. The chain transmission device for the automatic feeding of the laser cutting machine as claimed in claim 1, wherein: a driven wheel bearing is arranged between the driven gear (116) and the driven shaft (112), so that the driven gear (116) and the driven shaft (112) are fixedly connected and synchronously rotate.
7. The chain transmission device for the automatic feeding of the laser cutting machine as claimed in claim 6, wherein: the driven wheel bearing is sleeved with a backing ring (115), and the driven wheel bearing is in contact connection with the inner wall of the mounting groove of the feeding rack (3) through the backing ring (115).
8. The chain transmission device for the automatic feeding of the laser cutting machine as claimed in claim 1, wherein: the lifting assembly (2) comprises a lifting platform (21) and a rolling bearing (23); a plurality of rolling bearings (23) are respectively installed on two sides of the lifting platform (21) at intervals through bearing installation plates (22), sliding grooves are formed in two sides of the feeding rack (3), and the rolling bearings (23) can be embedded in the sliding grooves in a matched mode, so that the lifting component (2) can move up and down along the sliding grooves.
9. The chain transmission device for the automatic feeding of the laser cutting machine as claimed in claim 8, wherein: elevating platform (21) one side be equipped with spacing touching panel beating (24), one side upper portion and the lower part of material loading frame (3) all are equipped with limit switch (31), when making elevating platform (21) between two limit switch (31) elevating movement, spacing touching panel beating (24) can contact with one of them limit switch (31).
10. The chain transmission device for laser cutting machine automatic feeding according to claim 1 or 8, characterized in that: the automatic feeding device is characterized in that a mechanical limit stop (111) is installed on the feeding rack (3), and the bottom end of each sliding groove of the feeding rack (3) is provided with the mechanical limit stop (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023027095.6U CN214161819U (en) | 2020-12-15 | 2020-12-15 | Chain transmission device for automatic feeding of laser cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023027095.6U CN214161819U (en) | 2020-12-15 | 2020-12-15 | Chain transmission device for automatic feeding of laser cutting machine |
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| CN214161819U true CN214161819U (en) | 2021-09-10 |
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| CN202023027095.6U Active CN214161819U (en) | 2020-12-15 | 2020-12-15 | Chain transmission device for automatic feeding of laser cutting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275513A (en) * | 2021-12-24 | 2022-04-05 | 佛山市顺德区宏盈制衣有限公司 | Automatic feeding device of cloth paving machine |
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2020
- 2020-12-15 CN CN202023027095.6U patent/CN214161819U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275513A (en) * | 2021-12-24 | 2022-04-05 | 佛山市顺德区宏盈制衣有限公司 | Automatic feeding device of cloth paving machine |
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