CN210255412U - Liftable sharpening mechanism of vertical fabric cutting machine - Google Patents
Liftable sharpening mechanism of vertical fabric cutting machine Download PDFInfo
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- CN210255412U CN210255412U CN201920740301.6U CN201920740301U CN210255412U CN 210255412 U CN210255412 U CN 210255412U CN 201920740301 U CN201920740301 U CN 201920740301U CN 210255412 U CN210255412 U CN 210255412U
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Abstract
The utility model relates to a liftable knife sharpening mechanism of a vertical fabric cutting machine, which comprises a lifting device, an adjustable knife sharpening device, a top knife board bracket, a top knife board fixed on the top knife board bracket and a first knife clamping board and a second knife clamping board; a square platform is arranged above the lifting device, a group of first knife clamping plates and a group of second knife clamping plates are respectively arranged on two sides of the square platform, a gap for a knife belt to pass through is formed between the two knife clamping plates, and a top knife plate support is fixed on the upper end face of the square platform; the adjustable knife sharpening device is connected on the upper end face of the square platform and comprises two knife sharpening tools which are respectively arranged at the two sides of the knife belt, the knife belt passes through the two knife sharpening tools, and the knife edge is contacted with the knife sharpening tools. The utility model ensures the synchronous movement of the knife sharpening mechanism and the knife belt, has convenient and reliable operation, can ensure the knife sharpening mechanism to ascend and descend for a certain distance according to the up-and-down moving distance of the knife belt, always keeps the grinding wheel in the knife sharpening mechanism to be contacted with the knife belt cutting edge, and reduces the angle of the grinding wheel and the cost of a position adjusting structure; and a motor is not used for driving the grinding wheel, so that the cost is reduced.
Description
Technical Field
The utility model relates to a liftable mechanism of whetting a knife of vertical fabric separate cutter belongs to the textile machinery structure field.
Background
The fabric dividing machine is a mechanical device for dividing and processing the interval fabrics produced by various warp knitting machines. When the vertical fabric dividing machine divides the spacer fabric, the surface A and the surface B of the divided spacer fabric are drawn to move upwards all the time, and the rotating knife belt cuts the spacer fabric from the plush fabric in the middle of the spacer fabric. In order to enable the cut plush fabric to be smoother and the cutting process to be more stable, the upper position and the lower position of the knife belt are required to be adjusted according to the thickness of the spaced fabric, after the knife belt moves up and down for a certain distance from the initial position, the grinding wheel in the fixed knife sharpening mechanism is far away from the knife edge of the knife belt, and the knife sharpening mechanism cannot sharpen the knife.
Present mechanism of whetting a knife all is fixed, does not possess the function of lift adjustment, and the angle and the position control of present mechanism of whetting a knife emery wheel are adjusted structure complicacy, with high costs, and the emery wheel is by motor drive, and the cost of motor is high.
Disclosure of Invention
An object of the utility model is to provide a liftable mechanism of whetting a knife of vertical fabric separate machine can make the mechanism of whetting a knife go up and down a certain distance according to the distance that reciprocates in sword area, remains throughout the emery wheel among the mechanism of whetting a knife and the cutting edge contact in sword area, and can be according to the angle and the position of the position control emery wheel of sword area cutting edge.
In order to achieve the purpose, the utility model provides a lifting knife sharpening mechanism of a vertical fabric cutting machine, which comprises a lifting device, an adjustable knife sharpening device, a top knife board bracket, a top knife board, a first knife clamping board and a second knife clamping board; a square platform capable of moving up and down is arranged above the lifting device, a group of first knife clamping plates and second knife clamping plates are respectively arranged on the left side and the right side of the square platform, a gap for a knife belt to pass through is formed between the first knife clamping plates and the second knife clamping plates, the top knife plate bracket is fixed on the upper end surface of the square platform, and the top knife plate is fixed on the top knife plate bracket through bolt connection; the adjustable knife sharpening device is connected to the upper end face of the square platform through a bolt and comprises two knife sharpening tools, the two knife sharpening tools are respectively installed on two sides of the knife belt and staggered with each other, the knife belt penetrates through the two knife sharpening tools, and the cutting edge of the knife belt is in contact with the two knife sharpening tools.
The utility model discloses a further improvement lies in: the lifting device comprises a servo motor fixing seat with zero degree of freedom and a square bottom supporting plate, the bottom supporting plate is connected with the square platform in a matched mode through a guide pillar and a guide sleeve, the guide pillar can vertically move to penetrate through the guide sleeve, a nut fixing seat, a nut, a lead screw, a coupler and a servo motor are arranged in the center of the square platform, the rotation of the lead screw can be converted into vertical movement of the square platform, the servo motor is fixedly connected with the lead screw through the coupler, and the servo motor is fixed on the servo motor fixing seat.
The utility model discloses a further improvement lies in: the adjustable knife sharpening device also comprises a knife sharpening guide rail, a knife sharpening baffle I and a knife sharpening baffle II which are fixed on the square platform, the knife sharpening cutter is a grinding wheel, two parallel knife sharpening screws are arranged between the knife sharpening baffle I and the knife sharpening baffle II, one end of each knife sharpening screw is provided with a pin shaft for axial positioning, and the other end of each knife sharpening screw is provided with a screw adjusting wheel;
the sharpening guide rail is provided with a sharpening adjusting slide block which can move in the horizontal moving direction, one side of the sharpening adjusting slide block is provided with a square boss, the sharpening adjusting slide block is in threaded fit with a sharpening screw rod through a threaded hole in the boss, and the rotation of the sharpening screw rod can be converted into the linear movement of the sharpening adjusting slide block;
still include the cut-out fixed block, two emery wheels are installed on one is fixed the bearing rotor block on bearing rotor block support separately, a connecting axle is connected to bearing rotor block support below, cut-out fixed block upper portion is provided with the through-hole of taking the cut-out, and the other end of connecting axle is arranged in the through-hole of cut-out fixed block area cut-out, terminal surface and the adjusting block laminating of whetting a knife under the cut-out fixed block, and cut-out fixed block cut-out department is fixed with the connecting axle, when the cut-out is not compressed tightly, rotates the angle that the emery wheel can be adjusted to the connecting axle.
The utility model discloses a further improvement lies in: the two grinding wheels are respectively positioned on two sides of the knife belt, the included angles between the axes of the two grinding wheels and the knife belt are equal, and the knife edge of the knife belt is in contact with the two grinding wheels.
The utility model discloses a further improvement lies in: the top knife board is used in cooperation with the grinding wheel, a gap of 0.8-1.2 mm is formed between the top knife board and the grinding wheel, the knife belt penetrates through the gap, and the two groups of top knife board supports and the top knife board are respectively arranged on the left side and the right side of a square platform of the lifting device.
The utility model has the advantages that: (1) the numerical control system is adopted for control, so that the synchronous movement of the knife sharpening mechanism and the knife belt can be ensured, and the operation is convenient; the knife sharpening mechanism is practical and reliable, and can be lifted for a certain distance according to the up-and-down moving distance of the knife belt, and the grinding wheel in the knife sharpening mechanism is always kept in contact with the cutting edge of the knife belt; (2) the angle and position adjusting structure of the grinding wheel in the lifting knife sharpening mechanism is simple, and the cost of the angle and position adjusting structure of the grinding wheel is reduced; (3) and a motor is not used for driving the grinding wheel, so that the equipment cost is reduced.
Drawings
Fig. 1 shows a schematic structural view of the present invention;
fig. 2 shows a front view of the lifting device of the present invention;
FIG. 3 is a top view of the adjustable knife sharpening device of the present invention;
FIG. 4 is a front view of the adjustable knife sharpener of the present invention;
FIG. 5 is a schematic view of a relationship between the position of the adjustable knife device and the knife belt.
In the figure: the device comprises a lifting device 1, an adjustable knife grinding device 2, a top knife board bracket 3, a top knife board 4, a first knife clamping board 5, a second knife clamping board 6 and a knife belt 7;
the device comprises a square platform 1-1, a servo motor fixing seat 1-2, a bottom supporting plate 1-3, a guide pillar 1-4, a guide sleeve 1-5, a nut fixing seat 1-6, a nut 1-7, a screw rod 1-8, a servo motor 1-9 and a coupler 1-10;
2-1 parts of grinding wheel, 2-2 parts of bearing rotor body, 2-3 parts of bearing rotor body support, 2-4 parts of connecting shaft, 2-5 parts of cut-out fixing block, 2-6 parts of sharpening adjusting slide block, 2-7 parts of sharpening screw, 2-8 parts of sharpening guide rail, 2-9 parts of sharpening baffle I, 2-10 parts of sharpening baffle II, 2-11 parts of pin shaft and 2-12 parts of screw adjusting wheel.
Detailed Description
In order to enhance the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to the attached drawings 1 and 2, the utility model provides a lifting knife sharpening mechanism of a vertical fabric cutting machine, which comprises a lifting device 1, an adjustable knife sharpening device 2, a top knife board bracket 3, a top knife board 4, a first knife clamping board 5 and a second knife clamping board 6; a square platform 1-1 capable of moving up and down is arranged above the lifting device 1, a group of first knife clamping plates 5 and second knife clamping plates 6 are respectively arranged on the left side and the right side of the square platform 1-1, a gap for a knife belt 7 to pass through is formed between the first knife clamping plates 5 and the second knife clamping plates 6, the knife ejecting plate support 3 is fixed on the upper end face of the square platform 1-1, and the knife ejecting plate 4 is fixed on the knife ejecting plate support 3 through bolt connection; the adjustable knife sharpening device 2 is connected to the upper end face of the square platform 1-1 through bolts, the adjustable knife sharpening device 2 comprises two knife sharpening tools, the two knife sharpening tools are respectively installed at two sides of the knife belt 7 and staggered with each other, the knife belt 7 penetrates through the two knife sharpening tools, and the cutting edge of the knife belt 7 is in contact with the two knife sharpening tools.
The top knife board 4 is matched with the grinding wheel 2-1 for use, a gap of 0.8-1.2 mm is formed between the top knife board 4 and the grinding wheel 2-1, the knife belt 7 penetrates through the gap, and the two groups of top knife board supports 3 and the top knife board 4 are respectively arranged on the left side and the right side of the square platform 1-1 of the lifting device 1.
The lifting device 1 comprises a servo motor fixing seat 1-2 with zero degree of freedom and a square bottom supporting plate 1-3, the bottom supporting plate 1-3 is matched and connected with a square platform 1-1 through a guide post 1-4 and a guide sleeve 1-5, the guide post 1-4 can vertically move to penetrate through the guide sleeve 1-5, a nut fixing seat 1-6, a nut 1-7, a screw rod 1-8, a coupler 1-10 and a servo motor 1-9 are arranged in the center of the square platform 1-1, rotation of the screw rod 1-8 can be converted into vertical movement of the square platform 1-1, the servo motor 1-9 is fixedly connected with the screw rod 1-8 through the coupler 1-10, and the servo motor 1-9 is fixed on the servo motor fixing seat 1-2.
With reference to the attached drawings 3, 4 and 5, the adjustable knife sharpening device 2 further comprises a knife sharpening guide rail 2-8, a knife sharpening baffle I2-9 and a knife sharpening baffle II 2-10 which are fixed on the square platform 1-1, the knife sharpening cutter is a grinding wheel 2-1, two parallel knife sharpening screws 2-7 are arranged between the knife sharpening baffle I2-9 and the knife sharpening baffle II 2-10, one end of each knife sharpening screw 2-7 is provided with a pin shaft 2-11 for axial positioning, the other end of each knife sharpening screw is provided with a screw adjusting wheel 2-12, the knife sharpening guide rail 2-8 is provided with a knife sharpening adjusting slide block 2-6 which can move in the horizontal moving direction, one side of each knife sharpening adjusting slide block 2-6 is provided with a square boss, and the knife sharpening adjusting slide block 2-6 is in threaded fit with the knife sharpening screws, the rotation of the sharpening screw 2-7 can be converted into the linear movement of the sharpening adjusting slide block 2-6.
The rotation of the servo motors 1-9 is controlled by a numerical control system, when the servo motors 1-9 rotate for a certain angle, the screw rods 1-8 also rotate for the same angle, the nuts 1-7 move for a certain distance in the vertical direction, and the square platform 1-1 is further driven to move for the same distance in the vertical direction along the four guide columns 1-4.
The grinding wheel grinding machine further comprises a groove fixing block 2-5, two grinding wheels 2-1 are respectively installed on a bearing rotor body 2-2 fixed on a bearing rotor body support 2-3, a connecting shaft 2-4 is connected to the lower portion of the bearing rotor body support 2-3, a through hole with a groove is formed in the upper portion of the groove fixing block 2-5, the other end of the connecting shaft 2-4 is arranged in the through hole with the groove of the groove fixing block 2-5, the lower end face of the groove fixing block 2-5 is attached to a grinding adjusting sliding block 2-6, the groove fixing block 2-5 is fixed to the connecting shaft 2-4 through a screw, and when the groove is not tightly pressed, the angle of the grinding wheel 2-1 can be adjusted by rotating the connecting shaft 2-4.
The two grinding wheels 2-1 are respectively positioned at two sides of the knife belt 7, the included angles between the axes of the two grinding wheels 2-1 and the knife belt 7 are equal, and the knife edge of the knife belt 7 is in contact with the two grinding wheels 2-1.
When the left and right positions of the knife belt 7 on the adjusting knife grinder 2 are changed, the two screw adjusting wheels 2-12 are manually rotated, so that the left and right positions of the two grinding wheels 2-1 can be adjusted; when the angles of the two grinding wheels 2-1 and the side surface of the knife belt 7 are inconsistent, the screws at the cut-open positions on the cut-open fixing blocks 2-5 can be loosened, the connecting shafts 2-4 are manually rotated, and the angles of the grinding wheels 2-1 are adjusted.
The utility model relates to a concrete working process of liftable mechanism of whetting a knife of vertical fabric separate machine:
(1) check before boot
Before the vertical fabric cutting machine is started, the knife belt 7 is placed in the middle of a gap between the first knife clamping plate 5 and the second knife clamping plate 6, whether the knife edge of the knife belt 7 is in contact with the two grinding wheels 2-1 on the two sides of the knife belt 7 or not is checked, and if the knife edge of the knife belt 7 is not in contact with the two grinding wheels 2-1, the two screw adjusting wheels 2-12 in the knife grinding device 2 are respectively adjusted in a rotating mode by hands, so that the two grinding wheels 2-1 are in contact with the knife edge of the knife. And (3) checking whether the angles of the two grinding wheels 2-1 and the side surface of the cutter belt 7 are consistent, if not, loosening the screws at the cut-outs on the cut-out fixing blocks 2-5, manually rotating the connecting shafts 2-4, and respectively adjusting the angles of the two grinding wheels 2-1.
(2) The upper and lower positions of the grinding wheel 2-1 are adjusted according to the position of the knife belt 7
According to the difference of the thicknesses of the middle plush fabrics of the divided space fabrics, the position of the knife belt 7 is adjusted up and down, the descending distance of the knife belt 7 is set in a display screen of a numerical control system according to the thicknesses of the middle plush fabrics of the different space fabrics, when the knife belt 7 descends, the numerical control system can control servo motors 1-9 in the lifting device 1 to rotate, the rotation of the servo motors 1-9 is converted into the up-and-down movement of a square platform 1-1 through nut fixing seats 1-6 and screw rods 1-8, and further, a grinding wheel 2-1 is in contact with the blade of the knife belt 7 all the time.
(3) Knife with 7 blades
The high-speed rotating cutter belt 7 drives the grinding wheel 2-1 to rotate, the linear speed of the cutter belt 7 is high, a certain speed difference exists between the linear speed of the cutter belt 7 and the linear speed of the grinding wheel 2-1 which rotates passively, and the cutter belt 7 and the grinding wheel 2-1 move relatively, so that the function of grinding the cutting edge of the cutter belt 7 is achieved, the abrasion speed of the grinding wheel to the width of the cutter belt 7 can be reduced, and the cost of a motor can be saved. In order to ensure that the machine always cuts the spacer fabric at a high speed, the cutting edge of the knife belt 7 is always in a sharp state, so that the knife belt 7 needs to be sharpened in the whole working process of the machine.
(4) Replacement of the knife band 7
The width of the knife belt 7 is gradually narrowed along with the abrasion of the grinding wheel 2-1 to the knife belt, the vertical fabric cutting machine is operated for a period of time, and when the width of the knife belt 7 is smaller than the preset width, a new knife belt 7 is replaced.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (5)
1. A lifting knife sharpening mechanism of a vertical fabric cutting machine is characterized by comprising a lifting device (1), an adjustable knife sharpening device (2), a top knife board bracket (3), a top knife board (4), a first knife clamping board (5) and a second knife clamping board (6);
a square platform (1-1) capable of moving up and down is arranged above the lifting device (1), a group of first knife clamping plates (5) and second knife clamping plates (6) are respectively arranged on the left side and the right side of the square platform (1-1), a gap for a knife belt (7) to pass through is formed between the first knife clamping plates (5) and the second knife clamping plates (6), the top knife plate support (3) is fixed on the upper end face of the square platform (1-1), and the top knife plate (4) is fixedly connected onto the top knife plate support (3) through bolts;
the adjustable knife sharpening device (2) is connected to the upper end face of the square platform (1-1) through bolts, the adjustable knife sharpening device (2) comprises two knife sharpening tools, the two knife sharpening tools are respectively installed on two sides of the knife belt (7), the two knife sharpening tools are staggered with each other, the knife belt (7) penetrates through the two knife sharpening tools, and the cutting edge of the knife belt (7) is in contact with the two knife sharpening tools.
2. The liftable knife sharpening mechanism of the vertical fabric cutting machine according to claim 1, wherein the lifting device (1) comprises a servo motor fixing seat (1-2) with zero degree of freedom and a square bottom support plate (1-3), the bottom support plate (1-3) is matched and connected with the square platform (1-1) through a guide post (1-4) and a guide sleeve (1-5), the guide post (1-4) can vertically move to penetrate through the guide sleeve (1-5), a nut fixing seat (1-6), a nut (1-7), a screw rod (1-8), a coupler (1-10) and a servo motor (1-9) are arranged in the center of the square platform (1-1), and the rotation of the screw rod (1-8) can be converted into the up-down movement of the square platform (1-1), the servo motors (1-9) are fixedly connected with the screw rods (1-8) through the couplers (1-10), and the servo motors (1-9) are fixed on the servo motor fixing seats (1-2).
3. The liftable sharpening mechanism of a vertical fabric cutting machine according to claim 1, wherein the adjustable sharpening device (2) further comprises a sharpening guide rail (2-8), a sharpening baffle I (2-9) and a sharpening baffle II (2-10) fixed on a square platform (1-1), the sharpening cutter is a grinding wheel (2-1), two parallel sharpening screws (2-7) are arranged between the sharpening baffle I (2-9) and the sharpening baffle II (2-10), one end of each sharpening screw (2-7) is provided with a pin shaft (2-11) for axial positioning, and the other end of each sharpening screw is provided with a screw adjusting wheel (2-12),
the sharpening guide rail (2-8) is provided with a sharpening adjusting slide block (2-6) capable of moving in the horizontal moving direction, one side of the sharpening adjusting slide block (2-6) is provided with a square boss, the sharpening adjusting slide block (2-6) is in threaded fit with a sharpening screw rod (2-7) through a threaded hole in the boss, and the rotation of the sharpening screw rod (2-7) can be converted into the linear movement of the sharpening adjusting slide block (2-6);
also comprises a fixed block (2-5) with a cut, two grinding wheels (2-1) are respectively arranged on a bearing rotor body (2-2) fixed on a bearing rotor body support (2-3), a connecting shaft (2-4) is connected below the bearing rotor body support (2-3), a through hole with a cut is arranged at the upper part of the cut fixing block (2-5), the other end of the connecting shaft (2-4) is arranged in the through hole with the cut of the cut fixing block (2-5), the lower end surface of the cut-off fixing block (2-5) is attached to the knife grinding adjusting slide block (2-6), the cut-off of the cut-off fixing block (2-5) is fixed with the connecting shaft (2-4), when the opening is not pressed, the angle of the grinding wheel (2-1) can be adjusted by rotating the connecting shaft (2-4).
4. The liftable knife sharpening mechanism of the vertical fabric cutting machine according to claim 3, characterized in that the two grinding wheels (2-1) are respectively arranged at two sides of the knife belt (7), the axes of the two grinding wheels (2-1) have the same included angle with the knife belt (7), and the edge of the knife belt (7) is in contact with the two grinding wheels (2-1).
5. The liftable knife sharpening mechanism of the vertical fabric cutting machine according to claim 1, wherein the top knife plate (4) is used in cooperation with the grinding wheel (2-1), a gap of 0.8-1.2 mm is arranged between the top knife plate (4) and the grinding wheel (2-1), the knife belt (7) passes through the gap, and the two groups of top knife plate supports (3) and the top knife plate (4) are respectively installed on the left side and the right side of the square platform (1-1) of the lifting device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920740301.6U CN210255412U (en) | 2019-05-22 | 2019-05-22 | Liftable sharpening mechanism of vertical fabric cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920740301.6U CN210255412U (en) | 2019-05-22 | 2019-05-22 | Liftable sharpening mechanism of vertical fabric cutting machine |
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| Publication Number | Publication Date |
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| CN210255412U true CN210255412U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920740301.6U Active CN210255412U (en) | 2019-05-22 | 2019-05-22 | Liftable sharpening mechanism of vertical fabric cutting machine |
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| CN (1) | CN210255412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116479643A (en) * | 2023-04-24 | 2023-07-25 | 东莞市科迪实业有限公司 | A cut open piece equipment for non-woven fabrics |
-
2019
- 2019-05-22 CN CN201920740301.6U patent/CN210255412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116479643A (en) * | 2023-04-24 | 2023-07-25 | 东莞市科迪实业有限公司 | A cut open piece equipment for non-woven fabrics |
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