CN214024701U - Tool changing mechanism with unlocking knife - Google Patents
Tool changing mechanism with unlocking knife Download PDFInfo
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- CN214024701U CN214024701U CN202022687318.5U CN202022687318U CN214024701U CN 214024701 U CN214024701 U CN 214024701U CN 202022687318 U CN202022687318 U CN 202022687318U CN 214024701 U CN214024701 U CN 214024701U
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Abstract
The utility model discloses a tool changing mechanism with a lock releasing knife, the lock releasing knife comprises a lock knife piece and a position limiting piece which are movably arranged in a knife arm, and the position limiting piece is used for locking the lock knife piece under the lock knife state; the tool changing mechanism comprises a driving piece, a box body, and a fluted disc cam, a cambered surface cam, an input shaft and a lifting output shaft which are arranged in the box body; the input shaft is rotationally connected with the box body; the cambered surface cam and the fluted disc cam are both arranged on the input shaft; the output end of the driving piece is in transmission connection with the fluted disc cam; the lifting output shaft is arranged on one side of the fluted disc cam and is in power transmission connection with the fluted disc cam; the cutter arm is arranged at one end of the lifting output shaft; the tool changing mechanism further comprises a driving frame, the driving frame is movably arranged on the box body and can move towards the tool arm along the direction of the central axis of the lifting output shaft under the driving of the cambered surface cam so as to push the limiting part to move relative to the tool arm and lock the tool locking piece. The tool changing mechanism with the unlocking knife can effectively avoid falling the knife.
Description
Technical Field
The utility model relates to a machining equipment field especially relates to a tool changing mechanism of area pine sword.
Background
In the product processing process, the tool changing mechanism is usually used in cooperation with a tool arm mounted on a lifting output shaft of the tool changing mechanism to complete the tool changing action between the processing equipment and the tool magazine.
Chinese patent No. 201720394090.6 discloses a cam-type automatic rotating and lifting tool-changing mechanism, which can realize automatic tool changing. However, during the process of changing the tool, that is, during the process of rotating and lifting the tool arm by 180 degrees, the tool is greatly shaken on the tool changing arm due to the influence of high speed and power, and the tool is easily dropped.
Therefore, it is necessary to design a tool changing mechanism with a lock releasing tool to solve the above problems.
Disclosure of Invention
An object of the utility model is to provide a take tool changing mechanism of pine lock sword can effectively avoid falling the sword.
To achieve the purpose, the utility model adopts the following technical proposal:
a tool changing mechanism with a lock releasing knife comprises a knife locking piece and a limiting piece, wherein the knife locking piece and the limiting piece are movably arranged in a knife arm; the tool changing mechanism comprises a driving piece, a box body, and a fluted disc cam, an arc surface cam, an input shaft and a lifting output shaft which are arranged in the box body; the force input shaft is rotationally connected with the box body; the cambered surface cam and the fluted disc cam are both arranged on the input shaft; the output end of the driving piece is in transmission connection with the fluted disc cam; the lifting output shaft is arranged on one side of the fluted disc cam and is in power transmission connection with the fluted disc cam; the cutter arm is arranged at one end of the lifting output shaft; the tool changing mechanism further comprises a driving frame, the driving frame is movably arranged on the box body and can move towards the tool arm along the direction of the central axis of the lifting output shaft under the driving of the arc-shaped cam, so that the limiting part is pushed to move relative to the tool arm to lock the tool locking part.
Furthermore, the rear end face of the cambered surface cam is provided with a closed rear cam curved surface;
the tool changing mechanism further comprises a driving connecting rod, the driving connecting rod is rotatably connected with the box body, one end of the driving connecting rod is hinged with the driving frame, and the other end of the driving connecting rod is connected with a first roller; the first roller rolls along the rear cam curved surface.
Furthermore, the driving frame comprises an annular push plate, a support and a plurality of guide rods connected to the support; the push plate is arranged on the outer side of the box body and movably sleeved on the lifting output shaft; each guide rod is arranged along the direction of the central axis of the lifting output shaft, and one end of each guide rod movably penetrates through the box body to be connected with the push plate; the support is hinged with the driving connecting rod.
Furthermore, the tool changing mechanism also comprises a square shaft, and the square shaft is in transmission connection with the arc-surface cam; the lifting output shaft is coaxially sleeved on the square shaft, can rotate along with the square shaft and can move relative to the square shaft along the direction of the central axis.
Furthermore, the tool changing mechanism also comprises a force-output turret shaft; the output rotating tower shaft is parallel to the lifting output shaft, and two ends of the output rotating tower shaft are rotatably connected with the box body; the output rotating tower shaft is in transmission connection with the cambered surface cam; the square shaft is in transmission connection with the output rotary tower shaft.
Furthermore, the front end surface of the fluted disc cam is provided with a closed front cam curved surface;
the tool changing mechanism further comprises a first connecting rod, a second connecting rod and a third connecting rod which are sequentially hinged; one end of the first connecting rod is rotatably connected with the box body; the first connecting rod is connected with a second roller which rolls along the curved surface of the front cam; one end of the third connecting rod is rotatably connected with the box body, and the other end of the third connecting rod is slidably connected with the lifting output shaft.
Furthermore, a pushing ring guide groove is formed in the outer peripheral side of the lifting output shaft, the third connecting rod is connected with a third roller, and the third roller slides along the pushing ring guide groove.
Furthermore, the tool changing mechanism also comprises an induction cam, a proximity switch and an induction bracket; the front end of the input shaft extends out of the box body and is coaxially connected with the induction cam; the proximity switch is correspondingly arranged on one side of the induction cam and connected with the induction support, and the induction support is connected with the box body.
The utility model has the advantages that: the utility model provides a tool changing mechanism with a lock releasing knife, which utilizes a driving piece to drive a fluted disc cam to rotate relative to a box body and drive a cambered surface cam to rotate together; the driving frame moves towards the cutter arm under the driving of the arc cam, and the limiting part is pushed to move relative to the cutter arm so as to lock the cutter locking part, so that cutter locking is realized, and the condition that the cutter falls in the cutter changing process is effectively avoided.
Drawings
Fig. 1 is a schematic structural view of a tool changing mechanism with a lock releasing knife provided by the present invention;
fig. 2 is a schematic view of the internal structure of the tool changing mechanism with the unlocking knife provided by the present invention;
fig. 3 is a schematic view of an internal three-dimensional structure of a tool changing mechanism with a lock releasing knife provided by the present invention;
fig. 4 is a schematic view of the internal three-dimensional structure of the tool changing mechanism with the unlocking knife at another angle;
fig. 5 is a partial cross-sectional view of a tool changing mechanism with a release blade provided by the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 5, a tool changing mechanism with a lock releasing tool includes a tool locking element 110, a spring, a limiting element 120 and a return spring, wherein the tool locking element 110 and the limiting element 120 are movably mounted in a tool arm 100, the spring is connected between the tool locking element 110 and the tool arm 100, and the return spring is connected between the limiting element 120 and the tool arm 100; the limiting member 120 is used for locking the knife locking member 110 in the knife locking state. The tool changing mechanism comprises a box body 10, a driving piece 20, a fluted disc cam 30, an arc cam 40, an input shaft 11 and a lifting output shaft 70, wherein the fluted disc cam 30, the arc cam 40, the input shaft 11 and the lifting output shaft 70 are arranged in the box body 10. Wherein, the input shaft 11 is rotationally connected with the box body 10; the cambered surface cam 40 and the fluted disc cam 30 are both arranged on the input shaft 11; the output end of the driving piece 20 is in transmission connection with the fluted disc cam 30; the lifting output shaft 12 is arranged on one side of the fluted disc cam 30 and is in power transmission connection with the fluted disc cam 30; the tool changing mechanism further comprises a driving frame 50, wherein the driving frame 50 is movably arranged on the box body 10 and can move towards the tool arm 100 along the central axis direction of the lifting output shaft 70 under the driving of the arc cam 40, so as to push the limiting piece 120 to move relative to the tool arm 100 and lock the tool locking piece 110.
Specifically, in the tool changing mechanism, the driving member 20 is a motor, and the motor is mounted on the box 10. The tool changer further comprises an integrally formed power turret 60 and a power turret shaft 13. Wherein, the output rotating tower shaft 13 is parallel to the lifting output shaft 70, and two ends are rotationally connected with the box body 10; the output turret shaft 13 is in rolling fit with the cambered cams 40 through a plurality of needle bearings uniformly distributed on the outer periphery of the output turret 60 to realize power transmission.
The tool changing mechanism also comprises a square shaft 12, wherein the square shaft 12 is in transmission connection with the output rotary tower shaft 13 through a group of gears; the elevating output shaft 70 is coaxially sleeved on the square shaft 12, can rotate along with the square shaft 12 and can move relative to the square shaft 12 along the central axis direction.
Further, as shown in fig. 2 and 3, the front end surface of the fluted disc cam 30 is provided with a closed front cam curved surface 31; the tool changing mechanism also comprises a first connecting rod 81, a second connecting rod 82 and a third connecting rod 83 which are sequentially hinged; one end of the first link 81 is rotatably connected with the case 10; the first connecting rod 81 is connected with a second roller 84, and the second roller 84 rolls along the front cam curved surface 31; one end of the third link 83 is rotatably connected to the case 10, and the other end is slidably connected to the elevating output shaft 70. Preferably, a derivation ring guide groove 71 is formed on the outer peripheral side of the elevating output shaft 70, the third roller 85 is connected to the third link 83, and the third roller 85 slides along the derivation ring guide groove 71.
As shown in fig. 4, the rear end face of the globoidal cam 40 is provided with a closed rear cam curved surface 41; the tool changing mechanism further comprises a driving connecting rod 54, the driving connecting rod 54 is rotatably connected with the box body 10, one end of the driving connecting rod is hinged with the driving frame 50, and the other end of the driving connecting rod is connected with a first roller 55; the first roller 55 rolls along the rear cam curved surface 41.
In the tool changing mechanism, a driving frame 50 comprises an annular push plate 51, a support 52 and a plurality of guide rods 53 connected to the support 52; the push plate 51 is arranged on the outer side of the box body 10 and movably sleeved on the lifting output shaft 70; each guide rod 50 is arranged along the central axis direction of the lifting output shaft 70, and one end of each guide rod movably penetrates through the box body 10 to be connected with the push plate 51; the support 52 is hinged with the driving connecting rod 54.
The tool changing mechanism also comprises an induction cam 91, a proximity switch 92 and an induction bracket 93; the front end of the input shaft 11 extends out of the box body 10 and is coaxially connected with the induction cam 91; the proximity switch 92 is correspondingly disposed at one side of the sensing cam 91 and connected to the sensing bracket 93, and the sensing bracket 93 is connected to the case 10. When the tool is in operation, the proximity switch 92 is used for controlling the starting and stopping of the motor switch to realize automatic rotation and lifting tool changing.
When the tool changing mechanism of the utility model works, the driving piece 20 drives the fluted disc cam 30 to rotate relative to the box body 10 and simultaneously drives the cambered surface cam 40 to rotate together; the cambered cam 40 transmits power to the output rotary tower shaft 13 through the output rotary tower 60, the output rotary tower shaft 13 transmits power to the square shaft 12 through a group of gears, so that the square shaft 12 and the lifting output shaft 70 rotate relative to the box body 10 together, and further the cutter arms on the lifting output shaft 70 are driven to rotate together; meanwhile, the fluted disc cam 30 transmits power to the first connecting rod 81, the second connecting rod 82 and the third connecting rod 83, so that the lifting output shaft 70 moves along the central axis direction by driving the third roller 85 to slide along the derivation ring guide groove 71, thereby realizing the lifting of the cutter arm; in addition, the globoidal cam 40 also transmits power to the driving link 54, and under the driving of the driving link 54, the driving rack 50 moves along the central axis direction of the lifting output shaft 70, and pushes the limiting member 120 to move relative to the knife arm to lock the knife locking member 110 or release the knife locking member 110, so that knife locking or knife releasing is realized, and the situation of knife falling in the knife changing process is effectively avoided.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. A tool changing mechanism with a lock releasing knife comprises a knife locking piece and a limiting piece, wherein the knife locking piece and the limiting piece are movably arranged in a knife arm; the tool changing mechanism comprises a driving piece, a box body, and a fluted disc cam, an arc surface cam, an input shaft and a lifting output shaft which are arranged in the box body; the force input shaft is rotationally connected with the box body; the cambered surface cam and the fluted disc cam are both arranged on the input shaft; the output end of the driving piece is in transmission connection with the fluted disc cam; the lifting output shaft is arranged on one side of the fluted disc cam and is in power transmission connection with the fluted disc cam; the cutter arm is arranged at one end of the lifting output shaft; the tool changing mechanism is characterized by further comprising a driving frame, wherein the driving frame is movably arranged on the box body and can move towards the tool arm along the direction of the central axis of the lifting output shaft under the driving of the arc cam, so that the limiting part is pushed to move relative to the tool arm to lock the tool locking part.
2. The tool changing mechanism of claim 1, wherein the rear end face of the globoidal cam is provided with a closed rear cam curved surface;
the tool changing mechanism further comprises a driving connecting rod, the driving connecting rod is rotatably connected with the box body, one end of the driving connecting rod is hinged with the driving frame, and the other end of the driving connecting rod is connected with a first roller; the first roller rolls along the rear cam curved surface.
3. The tool changing mechanism of claim 2, wherein the drive carriage comprises an annular push plate, a support, and a plurality of guide rods attached to the support; the push plate is arranged on the outer side of the box body and movably sleeved on the lifting output shaft; each guide rod is arranged along the direction of the central axis of the lifting output shaft, and one end of each guide rod movably penetrates through the box body to be connected with the push plate; the support is hinged with the driving connecting rod.
4. The tool changing mechanism of claim 1, further comprising a square shaft, wherein the square shaft is in transmission connection with the cambered cam; the lifting output shaft is coaxially sleeved on the square shaft, can rotate along with the square shaft and can axially move along the direction of the central axis.
5. The tool changing mechanism of claim 4 further comprising a power turret shaft; the output rotating tower shaft is parallel to the lifting output shaft, and two ends of the output rotating tower shaft are rotatably connected with the box body; the output rotating tower shaft is in transmission connection with the cambered surface cam; the square shaft is in transmission connection with the output rotary tower shaft.
6. The tool changing mechanism of claim 1, wherein the front end face of the fluted disc cam is provided with a closed front cam curved surface;
the tool changing mechanism further comprises a first connecting rod, a second connecting rod and a third connecting rod which are sequentially hinged; one end of the first connecting rod is rotatably connected with the box body; the first connecting rod is connected with a second roller which rolls along the curved surface of the front cam; one end of the third connecting rod is rotatably connected with the box body, and the other end of the third connecting rod is slidably connected with the lifting output shaft.
7. The tool changing mechanism according to claim 6, wherein a guide groove for a push ring is formed on the outer peripheral side of the lifting output shaft, and a third roller is connected to the third connecting rod and slides along the guide groove for the push ring.
8. The tool changing mechanism according to any one of claims 1 to 7, further comprising an induction cam, a proximity switch and an induction bracket; the front end of the input shaft extends out of the box body and is coaxially connected with the induction cam; the proximity switch is correspondingly arranged on one side of the induction cam and connected with the induction support, and the induction support is connected with the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022687318.5U CN214024701U (en) | 2020-11-19 | 2020-11-19 | Tool changing mechanism with unlocking knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022687318.5U CN214024701U (en) | 2020-11-19 | 2020-11-19 | Tool changing mechanism with unlocking knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214024701U true CN214024701U (en) | 2021-08-24 |
Family
ID=77362140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022687318.5U Active CN214024701U (en) | 2020-11-19 | 2020-11-19 | Tool changing mechanism with unlocking knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214024701U (en) |
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2020
- 2020-11-19 CN CN202022687318.5U patent/CN214024701U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215313 No. 1000, Huayang Road, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Gutian Automation Co.,Ltd. Address before: 215000 room 7, 323 Qingyang North Road, Zhoushi Town, Suzhou City, Jiangsu Province Patentee before: SUZHOU FURUTA AUTOMATION TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |