CN213197673U - Cutting mechanism and cutting machine - Google Patents
Cutting mechanism and cutting machine Download PDFInfo
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- CN213197673U CN213197673U CN202021851188.8U CN202021851188U CN213197673U CN 213197673 U CN213197673 U CN 213197673U CN 202021851188 U CN202021851188 U CN 202021851188U CN 213197673 U CN213197673 U CN 213197673U
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Abstract
The utility model provides a cutting mechanism and cutting machine belongs to cutting machine technical field, include: the output end of the motor is connected with a connecting rod through a bearing, wherein two sides of the connecting rod are respectively provided with an eccentric sleeve and an auxiliary balancing weight; one end of the cutter shaft is connected with the connecting rod through the adapter shaft, and the other end of the cutter shaft is provided with a blade, wherein the connecting rod is driven by the motor to rotate, and the cutter shaft reciprocates up and down through the adapter shaft. The utility model provides a pair of cutting mechanism and cutting machine is through eccentric cover and supplementary balancing weight for the connecting rod is at rotatory in-process, and its focus is in same vertical on-line all the time and does not take place the skew, thereby improves the cutting accuracy of panel, prolongs the life of blade simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the cutting machine, a cutting mechanism, especially a cutting mechanism and cutting machine are related to.
Background
In mechanical motion, it is a common one to use the principle of eccentric wheel to make reciprocating motion of mechanical motion. In the present industry, the high-frequency reciprocating linear motion is required under the requirements of high quality and high efficiency, and in the structure, large friction loss is easily caused, large vibration is generated during long-time high-frequency reciprocating motion, the precision is reduced, and the mechanical life is shortened.
Chinese patent (CN201913673U) discloses a high-frequency vibration device for a cutting machine, which is mainly suitable for a high-speed precision cutting machine for cutting flexible materials. The utility model discloses a motor, motor shaft and mount pad, motor and motor shaft are installed on the mount pad, its characterized in that: a balance block, an eccentric crankshaft, a cutter bar and a bearing are also arranged in the mounting seat; the balance block is arranged on the eccentric crankshaft, one end of the eccentric crankshaft is connected with the motor shaft, and the other end of the eccentric crankshaft is supported on the mounting seat through a bearing; the cutter arbor is connected with eccentric crankshaft. The utility model has reasonable structural design, can convert the rotary motion of the eccentric crankshaft into the reciprocating vibration of the cutter bar, avoids the damage to the cutter caused by direct impact, has long service life and improves the cutting efficiency; meanwhile, the use is convenient and reliable, and the effect is good.
In the high-frequency vibration device, although the balance weight is arranged on the eccentric crankshaft to eliminate harmful vibration generated by high-speed eccentric rotation, the center of the eccentric shaft is deviated due to the arrangement of the balance weight, and the cutting precision of the cutting machine is influenced.
Disclosure of Invention
The utility model aims at having the above-mentioned problem to current technique, provided a cutting mechanism who has higher cutting accuracy to can prolong blade cutting life-span.
The purpose of the utility model can be realized by the following technical proposal: a cutting mechanism, comprising: the output end of the motor is connected with a connecting rod through a bearing, wherein two sides of the connecting rod are respectively provided with an eccentric sleeve and an auxiliary balancing weight; one end of the cutter shaft is connected with the connecting rod through the adapter shaft, and the other end of the cutter shaft is provided with a blade, wherein the connecting rod is driven by the motor to rotate, and the cutter shaft reciprocates up and down through the adapter shaft.
In the cutting mechanism, the eccentric sleeve is nested with the output end of the motor, and the connection between the eccentric sleeve and the output end of the motor is locked through the fastener, wherein the auxiliary balancing weight is nested at one end of the eccentric sleeve, and the connection between the auxiliary balancing weight and the eccentric sleeve is locked through the fastener.
In the cutting mechanism, the axial stop ring and the bearing are respectively arranged on two sides of the auxiliary balancing weight, wherein the bearing is embedded at the other end of the eccentric sleeve.
In the cutting mechanism, the connecting rod connected with the adapter shaft is provided with the bearing, and the connection between the connecting rod and the adapter shaft is locked through the bearing pin, wherein the bearing is nested on the cutter shaft connected with the adapter shaft, and the connection between the adapter shaft and the cutter shaft is locked through the locking screw.
In the cutting mechanism, the vibration sleeve is sleeved on the periphery of the connecting rod, one end of the vibration sleeve is connected with the connecting shaft in a nested manner through the connecting rod, and the other end of the vibration sleeve is connected with the cutter shaft in a nested manner through the linear bearing.
In the cutting mechanism, the cutter holder is nested on the cutter shaft at one end of the mounting blade, and the cutter clamping sleeve is arranged between the vibration sleeve and the cutter holder, wherein the cutter clamping sleeve is embedded on the vibration sleeve and externally sleeved on the cutter holder, and a stop pin is arranged between the cutter clamping sleeve and the vibration sleeve.
In the cutting mechanism, the vibration sleeve is nested with the presser foot structure, and a sliding part is arranged between the vibration sleeve and the presser foot structure, wherein the sliding part comprises a sliding groove arranged on the vibration sleeve and a guide pin connected to the presser foot structure.
In the above cutting mechanism, the presser foot structure comprises a presser foot spacing ring and a presser foot sleeve which are mutually nested and clamped, wherein the presser foot sleeve is provided with a channel which is used for moving the blade up and down.
In the above cutting mechanism, the motor is mounted on the base, one end of the base is connected to the vibrating sleeve, the other end of the base is connected to the fixing plate, and the driving plate is mounted on the fixing plate, wherein the fan is mounted on the fixing plate.
The utility model also provides a cutting machine, include cutting mechanism.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a pair of cutting mechanism is through eccentric cover and supplementary balancing weight for the connecting rod is at rotatory in-process, and its focus is in same vertical on-line all the time and does not take place the skew, thereby improves the cutting accuracy of panel, prolongs the life of blade simultaneously.
(2) Eccentric cover and motor output end nested connection, supplementary balancing weight and eccentric cover nested connection to make form two liang of nested structures between eccentric cover, motor output and the supplementary balancing weight, guaranteed the axiality of three on hole axle connected mode, further avoid the connecting rod to take place the skew at rotatory in-process. In addition, the fixing is realized through the fastening piece, so that the output end of the motor drives the eccentric sleeve, the auxiliary balancing weight and the connecting rod to synchronously rotate.
(3) Nested bearing for eccentric cover, supplementary balancing weight and connecting rod are more smooth and easy at the operation in-process, and through bearing and axial stop ring, can inject the axial degree of freedom of eccentric cover and supplementary balancing weight, further avoid the connecting rod to take place the skew at rotatory in-process.
(4) The stroke and the straightness of the vibration sleeve in the vertical reciprocating movement process are controlled through the stop pin and the guide pin, the cutting accuracy is improved, the blade connected to the cutter shaft can be protected, and the service life of the blade is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a cutting mechanism of the present invention.
Fig. 2 is a schematic view of a partial structure of a cutting mechanism according to the present invention.
Fig. 3 is a schematic view of a partial structure of a cutting mechanism according to the present invention.
Fig. 4 is a schematic structural view of the cutting mechanism shown in fig. 3 from another perspective.
Fig. 5 is a cross-sectional view a-a of the cutting mechanism shown in fig. 4.
Fig. 6 is an enlarged view of a portion a in fig. 5.
Fig. 7 is an enlarged view of a portion B in fig. 5.
Fig. 8 is an enlarged view of a portion C in fig. 5.
In the figure, 100, a motor; 110. a machine base; 120. a drive plate; 130. a fixing plate; 140. a fan; 150. a hood; 200. a connecting rod; 210. a connecting shaft; 300. an eccentric sleeve; 310. an axial stop ring; 400. an auxiliary weight block; 500. a cutter shaft; 510. locking the screw; 520. a linear bearing; 530. a tool holder; 540. clamping a knife sleeve; 600. a transfer shaft; 610. a bearing pin; 700. a vibrating sleeve; 710. a stop pin; 720. a chute; 800. a presser foot structure; 810. a guide pin; 820. a presser foot limit ring; 830. a presser foot sleeve; 831. a channel.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 8, the utility model provides a cutting mechanism, include: a motor 100, wherein the output end of the motor 100 is connected with a connecting rod 200 through a bearing, wherein two sides of the connecting rod 200 are respectively provided with an eccentric sleeve 300 and an auxiliary balancing weight 400; one end of the cutter shaft 500 is connected to the connecting rod 200 through the transfer shaft 600, and the other end of the cutter shaft 500 is provided with a blade, wherein the connecting rod 200 is driven to rotate by the motor 100, and the cutter shaft 500 reciprocates up and down through the transfer shaft 600.
In this embodiment, the connecting rod 200, the adapting shaft 600 and the cutter shaft 500 are sequentially connected and cooperate with the eccentric sleeve 300 and the auxiliary balancing weight 400 to form a reciprocating 'eccentric crankshaft' structure, and in addition, the connecting rod 200 is not shifted left and right in the rotating process through the eccentric sleeve 300 and the auxiliary balancing weight 400, and the center of gravity is always kept on the same vertical line.
The utility model provides a pair of cutting mechanism is through eccentric cover 300 and supplementary balancing weight 400 for connecting rod 200 is at rotatory in-process, and its focus is in same vertical line all the time and does not take place the skew, thereby improves the cutting accuracy of panel, prolongs the life of blade simultaneously.
Further preferably, the eccentric sleeve 300 is nested with the output end of the motor 100, and the connection between the eccentric sleeve 300 and the output end of the motor 100 is locked by a fastener, wherein the auxiliary weight 400 is nested with one end of the eccentric sleeve 300, and the connection between the auxiliary weight 400 and the eccentric sleeve 300 is locked by a fastener.
In this embodiment, the eccentric sleeve 300 is nested with the output end of the motor 100, and the auxiliary weight block 400 is nested with the eccentric sleeve 300, so that a structure of "two nested" is formed between the eccentric sleeve 300, the output end of the motor 100 and the auxiliary weight block 400, thereby ensuring the coaxiality of the three in the hole-shaft connection mode, and further avoiding the deviation of the connecting rod 200 in the rotation process. In addition, the output end of the motor 100 drives the eccentric sleeve 300, the auxiliary weight 400 and the connecting rod 200 to rotate synchronously by the fastening of the fastening member.
Further preferably, an axial stop ring 310 and a bearing are respectively disposed at two sides of the auxiliary weight block 400, wherein the bearing is nested at the other end of the eccentric sleeve 300.
In this embodiment, the bearings are nested, so that the eccentric sleeve 300, the auxiliary weight block 400 and the connecting rod 200 are smoother in the operation process, and the bearings and the axial stop ring 310 can limit the axial degree of freedom of the eccentric sleeve 300 and the auxiliary weight block 400, thereby further preventing the connecting rod 200 from deviating in the rotation process.
Preferably, as shown in fig. 1 to 8, a bearing is installed on the connecting rod 200 connected to the adaptor shaft 600 at one end thereof, and the connection between the connecting rod 200 and the adaptor shaft 600 is locked by a bearing pin 610, wherein the bearing is nested on the cutter shaft 500 connected to the adaptor shaft 600 at one end thereof, and the connection between the adaptor shaft 600 and the cutter shaft 500 is locked by a locking screw 510.
Preferably, as shown in fig. 1 to 8, a vibration sleeve 700 is sleeved on the periphery of the connecting rod 200, one end of the vibration sleeve 700 is connected to the connecting shaft 210 nested in the connecting rod 200, and the other end of the vibration sleeve 700 is nested in the cutter shaft 500 through a linear bearing 520.
In this embodiment, the linear bearing 520 is installed to ensure the coaxiality between the vibration sleeve 700 and the cutter shaft 500, thereby ensuring the straightness of the cutter shaft 500 in the up-and-down reciprocating movement process.
Preferably, as shown in fig. 1 to 8, a tool holder 530 is nested on a cutter shaft 500 on which one end of the insert is mounted, and a tool clamping sleeve 540 is disposed between the vibration sleeve 700 and the tool holder 530, wherein the tool clamping sleeve 540 is embedded on the vibration sleeve 700 and externally sleeved on the tool holder 530, and a stop pin 710 is disposed between the tool clamping sleeve 540 and the vibration sleeve 700.
Preferably, as shown in fig. 1 to 8, a presser foot structure 800 is nested on the vibrating sleeve 700, and a sliding part is disposed between the vibrating sleeve 700 and the presser foot structure 800, wherein the sliding part includes a sliding groove 720 disposed on the vibrating sleeve 700, and a guide pin 810 connected to the presser foot structure 800.
In this embodiment, the stop pin 710 and the guide pin 810 control the stroke and the straightness of the vibrating sleeve 700 during the up-and-down reciprocating movement, thereby improving the cutting accuracy, protecting the blades connected to the cutter shaft 500, and prolonging the service life of the blades.
Further preferably, the presser foot structure 800 includes a presser foot spacing ring 820 and a presser foot sleeve 830 which are nested and clamped with each other, wherein a channel 831 as a blade moving up and down is opened on the presser foot sleeve 830.
Preferably, as shown in fig. 1 to 8, the motor 100 is mounted on the base 110, one end of the base 110 is connected to the vibration housing 700, and the other end of the base 110 is connected to the driving plate 120, wherein a power line is drawn out of the driving plate 120.
Further preferably, the driving plate 120 is mounted on the base 110 through a fixing plate 130, wherein the fan 140 is mounted on the fixing plate 130. The fan 140 is used to dissipate heat generated by the motor 100 during operation.
Further preferably, a housing 150 is nested on the housing 110.
The utility model also provides a cutting machine, including the aforesaid cutting mechanism.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A cutting mechanism, comprising: the motor is connected with a connecting rod at the output end of the motor through a bearing, and the motor is characterized in that an eccentric sleeve and an auxiliary balancing weight are respectively arranged on two sides of the connecting rod; one end of the cutter shaft is connected with the connecting rod through the adapter shaft, and the other end of the cutter shaft is provided with a blade, wherein the connecting rod is driven by the motor to rotate, and the cutter shaft reciprocates up and down through the adapter shaft.
2. The cutting mechanism as claimed in claim 1, wherein the eccentric sleeve is nested with the output end of the motor and the connection between the eccentric sleeve and the output end of the motor is locked by a fastener, and wherein the auxiliary weight block is nested at one end of the eccentric sleeve and the connection between the auxiliary weight block and the eccentric sleeve is locked by a fastener.
3. The cutting mechanism according to claim 2, wherein an axial stop ring and a bearing are respectively arranged on two sides of the auxiliary balancing weight, and the bearing is nested at the other end of the eccentric sleeve.
4. The cutting mechanism as claimed in claim 1, wherein a bearing is installed on a connecting rod connected to the adaptor shaft and a connection between the connecting rod and the adaptor shaft is locked by a bearing pin, and wherein a bearing is nested on a cutter shaft connected to the adaptor shaft and a connection between the adaptor shaft and the cutter shaft is locked by a locking screw.
5. The cutting mechanism as claimed in claim 1, wherein a vibration sleeve is sleeved on the periphery of the connecting rod, one end of the vibration sleeve is connected with the connecting shaft in a nested manner, and the other end of the vibration sleeve is connected with the cutter shaft in a nested manner through a linear bearing.
6. The cutting mechanism as claimed in claim 5, wherein the cutter shaft for mounting the one end of the blade is nested with a cutter holder, and a cutter clamping sleeve is disposed between the vibration sleeve and the cutter holder, wherein the cutter clamping sleeve is nested with the vibration sleeve and is sleeved on the cutter holder, and a stop pin is disposed between the cutter clamping sleeve and the vibration sleeve.
7. The cutting mechanism as claimed in claim 6, wherein a presser foot structure is nested on the vibrating sleeve, and a sliding portion is disposed between the vibrating sleeve and the presser foot structure, wherein the sliding portion comprises a sliding groove disposed on the vibrating sleeve and a guide pin connected to the presser foot structure.
8. The cutting mechanism as claimed in claim 7, wherein the presser foot structure comprises a presser foot spacing ring and a presser foot sleeve which are nested and clamped with each other, wherein the presser foot sleeve is provided with a channel for the blade to move up and down.
9. The cutting mechanism as claimed in claim 1, wherein the motor is mounted to a base, and one end of the base is connected to the vibration housing, and the other end of the base is connected to a fixing plate, and a driving plate is mounted to the fixing plate, wherein a fan is mounted to the fixing plate.
10. A cutting machine, characterized by comprising a cutting mechanism according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021851188.8U CN213197673U (en) | 2020-08-28 | 2020-08-28 | Cutting mechanism and cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021851188.8U CN213197673U (en) | 2020-08-28 | 2020-08-28 | Cutting mechanism and cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213197673U true CN213197673U (en) | 2021-05-14 |
Family
ID=75842281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021851188.8U Active CN213197673U (en) | 2020-08-28 | 2020-08-28 | Cutting mechanism and cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213197673U (en) |
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2020
- 2020-08-28 CN CN202021851188.8U patent/CN213197673U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Address after: Room 15-6, building 1, Lane 999, Yangfan Road, high tech Zone, Ningbo, Zhejiang 315040 Patentee after: Ningbo Jingwei CNC Co.,Ltd. Address before: 315040 B1, 15F, Lane 999, Yangfan Road, hi tech Zone, Ningbo City, Zhejiang Province Patentee before: NINGBO JINGWEI SYSTEMTECHNIK Ltd. |