CN220679552U - Improved feeding mechanism of band sawing machine - Google Patents
Improved feeding mechanism of band sawing machine Download PDFInfo
- Publication number
- CN220679552U CN220679552U CN202322199061.2U CN202322199061U CN220679552U CN 220679552 U CN220679552 U CN 220679552U CN 202322199061 U CN202322199061 U CN 202322199061U CN 220679552 U CN220679552 U CN 220679552U
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- pushing roller
- cylinder
- fixed
- sawing machine
- band sawing
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- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of metal processing, and discloses an improved feeding mechanism of a band sawing machine, which comprises a frame, wherein a discharging platform and a pushing roller are fixed on the frame, and a plurality of rectangular grooves are formed in the middle of the pushing roller; an adjusting cylinder is sleeved in the pushing roller, a plurality of rectangular strip protrusions are formed on the adjusting cylinder, and the rectangular strip protrusions are inserted in the rectangular grooves; two ends of the adjusting cylinder are provided with eccentric jacks, the two eccentric jacks are respectively sleeved on two movable supporting shafts, and one supporting shaft is provided with a driving mechanism. The motor drives the pushing roller to feed the workpiece, so that the labor intensity of workers can be effectively reduced, and potential safety hazards are avoided; through pushing away material cylinder and the eccentric setting of back shaft, the work piece can make when being cut push away material cylinder and break away from the work piece, makes the work piece be in straight state to effectively improve the cutting quality of work piece, reduce the loss of later stage work piece processing.
Description
Technical Field
The utility model relates to the technical field of metal processing, in particular to an improved feeding mechanism of a band sawing machine.
Background
The band sawing machine is a machine tool for sawing various metal materials and is divided into horizontal and vertical according to the structure; the method is divided into semi-automatic, full-automatic and numerical control according to functions. The horizontal type can be divided into double upright posts and scissors type. The band sawing machine is mainly used for sawing various alloys and metal materials such as carbon structural steel, low alloy steel, high alloy steel, special alloy steel, stainless steel, acid-resistant steel and the like. The prior band sawing machine is shown in figures 1 and 2 of the drawings of the specification, and comprises band saw blades, wherein a discharging platform is arranged below the band saw blades, a pushing roller is arranged at the rear side of the discharging platform and is fixed at the other end of a long shaft, and a hand wheel is fixed at the other end of the long shaft; the upper end of the pushing roller is slightly higher than the discharging platform. Before cutting the workpiece, the workpiece is placed on a discharging platform and a roller, a hand wheel is rotated to drive a pushing roller to rotate, and the pushing roller drives the workpiece to move through friction force between the pushing roller and the workpiece, so that feeding work is completed. The workpiece feeding mode has the following defects: firstly, the workpiece is generally large in mass, large force is needed for manually rotating the hand wheel, labor intensity is large, and certain potential safety hazards exist; and secondly, the pushing roller is slightly higher than the discharging platform, so that the workpiece is in a rear end tilting state during cutting, the cut workpiece has a certain inclination, the later processing cutting amount is large, and the material loss is serious.
Disclosure of Invention
The utility model aims to provide an improved feeding mechanism of a band sawing machine, which is used for feeding workpieces by driving a pushing roller through a motor, so that the labor intensity of workers can be effectively reduced, and potential safety hazards are avoided;
through pushing away material cylinder and the eccentric setting of back shaft, the work piece can make when being cut push away material cylinder and break away from the work piece, makes the work piece be in straight state to effectively improve the cutting quality of work piece, reduce the loss of later stage work piece processing.
The technical aim of the utility model is realized by the following technical scheme:
the improved feeding mechanism of the band sawing machine comprises a frame, wherein a discharging platform is fixed on the frame, a fixed clamping plate and a movable clamping plate are respectively arranged on two sides of the discharging platform, a pushing roller is arranged on the rear side of the discharging platform, and a plurality of rectangular grooves with circumferences uniformly distributed are formed in the middle of the pushing roller; an adjusting cylinder is sleeved in the pushing roller, a plurality of rectangular strip protrusions uniformly distributed on the circumference are formed on the outer wall of the adjusting cylinder, and the rectangular strip protrusions are inserted in the rectangular grooves;
two ends of the adjusting cylinder are provided with eccentric insertion holes which are eccentrically arranged with the adjusting cylinder, and the two eccentric insertion holes are coaxially arranged;
two eccentric jacks are respectively inserted and sleeved on two movable supporting shafts, each supporting shaft is inserted and sleeved in at least two bearings which are arranged left and right, the bearings are fixed on a support, the support is fixedly connected with a frame, and one supporting shaft is provided with a driving mechanism.
By the technical scheme, the workpiece 90 is placed above the discharging platform and the pushing roller;
the driving mechanism drives the supporting shaft to rotate, the supporting shaft drives the adjusting cylinder to rotate, the adjusting cylinder drives the pushing cylinder to rotate, and the supporting shaft and the adjusting cylinder are eccentrically arranged, so that the highest end of the pushing cylinder continuously changes position, after the highest end of the pushing cylinder gradually moves upwards to touch a workpiece, the rear end of the workpiece is slightly jacked up, the workpiece is driven to move forwards through friction force between the workpiece and the workpiece, the pushing cylinder rotates for a plurality of times, the workpiece is pushed for a bit distance every time, after the workpiece is pushed in place, the highest end of the pushing cylinder rotates to the lowest position to enable the workpiece to be separated from the workpiece, so that the influence on the workpiece is avoided, and the rear end of the workpiece is prevented from being tilted.
The utility model is further arranged to: the outer end of one of the support shafts is provided with a large gear;
the driving mechanism comprises a long gear meshed with the large gear, one end of the long gear is fixed on a motor shaft of the motor, and the motor is fixed on a corresponding support; the other end of the long gear is rotationally connected to the supporting plate, a first air cylinder is fixed to the supporting plate, and a piston rod of the first air cylinder is fixedly connected with the coaxial center of the large gear.
Through above-mentioned technical scheme, the motor drives the long gear and rotates, and the long gear passes through the gear wheel and drives the back shaft rotation, and the back shaft drives the adjustment cylinder and rotates.
The utility model is further arranged to: the outer end of the other support shaft is provided with an annular groove, the annular groove is inserted and sleeved at one end of a shifting fork, the other end of the shifting fork is fixed at the end part of a piston rod of a second cylinder, the middle part of the shifting fork is inserted and sleeved on a guide rod, and the guide rod and the second cylinder are fixed on corresponding supports.
According to the technical scheme, the pushing roller pushes the workpiece to move forward under the eccentric action, so that the unilateral abrasion of the pushing roller is serious;
after the pushing roller is used for a period of time, the first cylinder drives the corresponding supporting shaft to move outwards to be separated from the adjusting cylinder, the second cylinder drives the shifting fork to move outwards, the shifting fork drives the other supporting shaft to move outwards to be separated from the adjusting cylinder, the absorbing adjusting cylinder and the pushing roller can be taken down, then the pushing roller is taken down from the adjusting cylinder and is inserted again by changing a certain angle, and then the pushing roller is reinstalled on the two supporting shafts, so that the contact between the position with serious abrasion originally and a workpiece can be avoided.
The utility model is further arranged to: a plurality of grooves are formed on the outer wall of the pushing roller;
a plurality of first type marks uniformly distributed on the circumference are arranged on the outer sides of the rectangular grooves;
the inner sides of the rectangular strip bulges are provided with a plurality of second type marks uniformly distributed on the circumference.
According to the technical scheme, the friction force between the groove and the workpiece can be increased when the groove is arranged to push the workpiece, so that the probability of slipping can be reduced, and the workpiece can be pushed better;
by setting the marks, the relative positions between the push-pull roller and the adjusting cylinder can be conveniently adjusted and memorized.
The utility model is further arranged to: a plurality of counter bores uniformly distributed on the circumference are formed at the two ends of the pushing roller respectively; the counter bore is sleeved with steel balls which are abutted against the inner end surfaces of the corresponding supports.
Through the technical scheme, the steel balls can limit the two ends of the pushing roller, and the two ends of the pushing roller are prevented from being contacted with the support.
The depth of the counter bore is larger than the radius of the steel ball but smaller than the diameter of the steel ball. In the assembly process, grease can be placed in the counter bore to prevent the steel balls from being separated from the counter bore.
The utility model is further arranged to: and a proximity sensor is arranged below the pushing roller and is fixed on the frame through a support. The proximity sensor is electrically connected with a controller, and the controller controls the motor, the first cylinder and the second cylinder.
Through the technical scheme, after the pushing of the pushing roller is completed, the proximity sensor can detect the existence of the pushing roller, namely, the uppermost end of the pushing roller is at a low position, and when the uppermost end of the pushing roller is not detected, the pushing roller is continuously rotated to enable the uppermost end of the pushing roller to be detected by the proximity sensor.
The utility model has the outstanding effects that:
compared with the prior art, the workpiece feeding is performed by driving the pushing roller through the motor, so that the labor intensity of workers can be effectively reduced, and potential safety hazards are avoided;
the pushing roller and the supporting shaft are eccentrically arranged, so that the pushing roller can be separated from the workpiece when the workpiece is cut, and the workpiece is in a straight state, thereby effectively improving the cutting quality of the workpiece and reducing the loss of later-stage workpiece processing;
the cylinder can drive the supporting shaft to move, so that the disassembly and replacement work of the pushing roller can be facilitated.
Drawings
FIG. 1 is a schematic view of a prior art band sawing machine;
FIG. 2 is an enlarged view of a portion of FIG. 1 about A;
FIG. 3 is a schematic diagram of the structure of the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 3 with respect to B;
FIG. 5 is a cross-sectional view of FIG. 4 about C-C;
fig. 6 is a schematic view of another state of fig. 5 (the pushing roller is at the lowest state).
Reference numerals: 10. a frame; 11. a discharging platform; 12. a fixed clamping plate; 13. moving the clamping plate;
20. a pushing roller; 21. an adjustment cylinder; 22. a support shaft; 23. a bearing; 24. a support; 25. steel balls; 26. a proximity sensor; 27. a support;
201. rectangular grooves; 202. a groove; 203. a first type of tag; 204. countersink;
211. rectangular strip bulges; 212. eccentric jacks; 213. a second type of tag;
221. a large gear; 222. an annular groove;
30. a driving mechanism; 301. a long gear; 302. a motor; 303. a support plate; 304. a first cylinder;
40. a shifting fork; 41. a second cylinder; 42. a guide rod;
90. a workpiece.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
The present utility model is described below with reference to fig. 3 to 6:
the improved feeding mechanism of the band sawing machine comprises a frame 10, wherein a discharging platform 11 is fixed on the frame 10, a fixed clamping plate 12 and a movable clamping plate 13 are respectively arranged on two sides of the discharging platform 11, a pushing roller 20 is arranged on the rear side of the discharging platform 11, and a plurality of rectangular grooves 201 with uniformly distributed circumferences are formed in the middle of the pushing roller 20; an adjusting cylinder 21 is sleeved in the pushing roller 20, a plurality of rectangular strip protrusions 211 with uniformly distributed circumferences are formed on the outer wall of the adjusting cylinder 21, and the rectangular strip protrusions 211 are inserted in the rectangular grooves 201;
two ends of the adjusting cylinder 21 are provided with eccentric insertion holes 212 which are eccentrically arranged with the adjusting cylinder, and the two eccentric insertion holes 212 are coaxially arranged;
the two eccentric insertion holes 212 are respectively inserted into the two movable support shafts 22, each support shaft 22 is inserted into at least two bearings 23 arranged left and right, the bearings 23 are fixed on the support 24, the support 24 is fixedly connected with the frame 10, and one support shaft 22 is provided with a driving mechanism 30.
Placing the workpiece 90 above the discharging platform and the pushing roller;
the driving mechanism drives the supporting shaft to rotate, the supporting shaft drives the adjusting cylinder to rotate, the adjusting cylinder drives the pushing cylinder to rotate, and the supporting shaft and the adjusting cylinder are eccentrically arranged, so that the highest end of the pushing cylinder continuously changes position, after the highest end of the pushing cylinder gradually moves upwards to touch a workpiece, the rear end of the workpiece is slightly jacked up, the workpiece is driven to move forwards through friction force between the workpiece and the workpiece, the pushing cylinder rotates for a plurality of times, the workpiece is pushed for a bit distance every time, after the workpiece is pushed in place, the highest end of the pushing cylinder rotates to the lowest position to enable the workpiece to be separated from the workpiece, so that the influence on the workpiece is avoided, and the rear end of the workpiece is prevented from being tilted.
The outer end of one of the support shafts 22 is formed with a large gear 221;
the driving mechanism 30 comprises a long gear 301 meshed with the large gear 221, one end of the long gear 301 is fixed on a motor shaft of a motor 302, and the motor 302 is fixed on the corresponding support 24; the other end of the long gear 301 is rotatably connected to a supporting plate 303, a first cylinder 304 is fixed on the supporting plate 303, and a piston rod of the first cylinder 304 is fixedly connected with the large gear 221 in a coaxial center.
The motor drives the long gear to rotate, and the long gear drives the supporting shaft to rotate through the bull gear, and the supporting shaft drives the adjusting cylinder to rotate.
The outer end of the other support shaft 22 is formed with an annular groove 222, the annular groove 222 is inserted into one end of the shifting fork 40, the other end of the shifting fork 40 is fixed at the end part of the piston rod of the second cylinder 41, the middle part of the shifting fork 40 is inserted into the guide rod 42, and the guide rod 42 and the second cylinder 41 are fixed on the corresponding support 24.
The single side of the pushing roller is seriously worn due to the fact that the pushing roller pushes the workpiece to move forwards under the eccentric action;
after the pushing roller is used for a period of time, the first cylinder drives the corresponding supporting shaft to move outwards to be separated from the adjusting cylinder, the second cylinder drives the shifting fork to move outwards, the shifting fork drives the other supporting shaft to move outwards to be separated from the adjusting cylinder, the absorbing adjusting cylinder and the pushing roller can be taken down, then the pushing roller is taken down from the adjusting cylinder and is inserted again by changing a certain angle, and then the pushing roller is reinstalled on the two supporting shafts, so that the contact between the position with serious abrasion originally and a workpiece can be avoided.
A plurality of grooves 202 are formed on the outer wall of the pushing roller 20;
a plurality of first type marks 203 uniformly distributed on the circumference are arranged on the outer sides of the rectangular grooves 201;
the inner sides of the rectangular strip-shaped protrusions 211 are provided with a plurality of second type marks 213 uniformly distributed on the circumference.
The friction force between the groove and the workpiece can be increased when the groove is arranged to push the workpiece, so that the probability of slipping can be reduced, and the workpiece can be better pushed;
by setting the marks, the relative positions between the push-pull roller and the adjusting cylinder can be conveniently adjusted and memorized.
A plurality of counter bores 204 uniformly distributed on the circumference are formed at the two ends of the pushing roller 20; the counter bore 204 is internally sleeved with steel balls 25, and the steel balls 25 are abutted against the inner end surfaces of the corresponding supports 24.
The steel balls can limit the two ends of the pushing roller, so that the two ends of the pushing roller are prevented from being contacted with the support.
The depth of the counterbore 204 is greater than the radius of the steel ball 25 but less than the diameter of the steel ball 25. In the assembly process, grease can be placed in the counter bore to prevent the steel balls from being separated from the counter bore.
A proximity sensor 26 is arranged below the pushing roller 20, and the proximity sensor 26 is fixed on the frame 10 through a support 27. The proximity sensor is electrically connected with a controller, and the controller controls the motor, the first cylinder and the second cylinder.
When the pushing of the pushing roller is completed, the proximity sensor can detect the existence of the pushing roller, namely that the uppermost end of the pushing roller is positioned at a low position, and when the uppermost end of the pushing roller is not detected, the pushing roller continues to rotate so that the uppermost end of the pushing roller can be detected by the proximity sensor.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The utility model provides an improved generation feed mechanism of band sawing machine, includes frame (10), is fixed with blowing platform (11) on frame (10), and the both sides of blowing platform (11) are equipped with fixed splint (12) and movable splint (13) respectively, its characterized in that: a pushing roller (20) is arranged at the rear side of the discharging platform (11), and a plurality of rectangular grooves (201) with uniformly distributed circumferences are formed in the middle of the pushing roller (20); an adjusting cylinder (21) is sleeved in the pushing roller (20), a plurality of rectangular strip protrusions (211) with uniformly distributed circumferences are formed on the outer wall of the adjusting cylinder (21), and the rectangular strip protrusions (211) are inserted in the rectangular grooves (201);
two ends of the adjusting cylinder (21) are provided with eccentric insertion holes (212) which are eccentrically arranged with the adjusting cylinder, and the two eccentric insertion holes (212) are coaxially arranged;
two eccentric jacks (212) are respectively inserted and sleeved on two movable support shafts (22), each support shaft (22) is inserted and sleeved in at least two bearings (23) arranged left and right, each bearing (23) is fixed on a support (24), the support (24) is fixedly connected with the frame (10), and one support shaft (22) is provided with a driving mechanism (30).
2. The improved feeding mechanism for band sawing machine according to claim 1, wherein: the outer end of one supporting shaft (22) is provided with a large gear (221);
the driving mechanism (30) comprises a long gear (301) meshed with the large gear (221), one end of the long gear (301) is fixed on a motor shaft of a motor (302), and the motor (302) is fixed on a corresponding support (24); the other end of the long gear (301) is rotationally connected to the supporting plate (303), a first air cylinder (304) is fixed to the supporting plate (303), and a piston rod of the first air cylinder (304) is fixedly connected with the large gear (221) in a coaxial mode.
3. The improved feeding mechanism for band sawing machine according to claim 2, wherein: the outer end of the other support shaft (22) is provided with an annular groove (222), the annular groove (222) is inserted into one end of a shifting fork (40), the other end of the shifting fork (40) is fixed at the end part of a piston rod of a second cylinder (41), the middle part of the shifting fork (40) is inserted into a guide rod (42), and the guide rod (42) and the second cylinder (41) are fixed on corresponding supports (24).
4. The improved feeding mechanism for band sawing machine according to claim 1, wherein: a plurality of grooves (202) are formed on the outer wall of the pushing roller (20);
a plurality of first type marks (203) which are uniformly distributed on the circumference are arranged on the outer sides of the rectangular grooves (201);
the inner sides of the rectangular strip-shaped bulges (211) are provided with a plurality of second type marks (213) uniformly distributed on the circumference.
5. The improved feeding mechanism for band sawing machine according to claim 1, wherein: a plurality of counter bores (204) uniformly distributed on the circumference are formed at the two ends of the pushing roller (20); the counter bore (204) is internally sleeved with a steel ball (25), and the steel ball (25) is abutted against the inner end surface of the corresponding support (24).
6. The improved feeding mechanism for band sawing machine according to claim 5, wherein: the depth of the counter bore (204) is larger than the radius of the steel ball (25) but smaller than the diameter of the steel ball (25).
7. The improved feeding mechanism for band sawing machine according to claim 1, wherein: a proximity sensor (26) is arranged below the pushing roller (20), and the proximity sensor (26) is fixed on the frame (10) through a support (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322199061.2U CN220679552U (en) | 2023-08-16 | 2023-08-16 | Improved feeding mechanism of band sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322199061.2U CN220679552U (en) | 2023-08-16 | 2023-08-16 | Improved feeding mechanism of band sawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220679552U true CN220679552U (en) | 2024-03-29 |
Family
ID=90370453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322199061.2U Active CN220679552U (en) | 2023-08-16 | 2023-08-16 | Improved feeding mechanism of band sawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220679552U (en) |
-
2023
- 2023-08-16 CN CN202322199061.2U patent/CN220679552U/en active Active
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