CN215549137U - Cutting die plate clamping and limiting device and cutting machining center using same - Google Patents
Cutting die plate clamping and limiting device and cutting machining center using same Download PDFInfo
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- CN215549137U CN215549137U CN202121119241.XU CN202121119241U CN215549137U CN 215549137 U CN215549137 U CN 215549137U CN 202121119241 U CN202121119241 U CN 202121119241U CN 215549137 U CN215549137 U CN 215549137U
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Abstract
The utility model relates to a cutting die plate clamping and limiting device which comprises a clamping assembly and a limiting assembly, wherein the clamping assembly and the limiting assembly are arranged on a cutting die fixing plate of a cutting machine, the clamping assembly comprises a left pressing die plate, a right pressing die plate and a pressing air cylinder, the left pressing die plate and the right pressing die plate are respectively arranged on the left side edge and the right side edge of the lower surface of the cutting die fixing plate, the pressing air cylinder is arranged in the cutting die fixing plate and respectively drives the left pressing die plate and the right pressing die plate to press the cutting die plate on the lower surface of the cutting die fixing plate, the limiting assembly comprises a front limiting part and a rear limiting part which are arranged on the front side surface and the rear side surface of the cutting die plate, at least one of the front limiting part and the rear limiting part is a movable limiting part, the other one of the front limiting part and the rear limiting part is a fixed limiting part or a movable limiting part, and the movable limiting part is linked with the left pressing die plate or the right pressing die plate to limit the front side surface and the rear side surface of the cutting die plate. The utility model also discloses a cutting machining center using the device. The utility model improves the position repeatability and the positioning precision of the tool changing template.
Description
Technical Field
The utility model belongs to the technical field of cutting machines, and particularly relates to a cutting template clamping and limiting device and a cutting machining center using the same.
Background
The cutting machine requires frequent replacement of a cutting die according to a cutting pattern, and the cutting die is generally provided on a die plate. The existing cutting machine mostly adopts manual replacement of the cutter template, so that the replacement time is long, the efficiency is low, the position repeatability after the cutter template is replaced is poor, and the size precision of a cut product is low. Although some cutting machines employ a mechanism for automatically changing the blade form, the mechanism is complicated, and the dimensional accuracy of the cut product is still unsatisfactory.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a knife template clamping and limiting device and a cutting machining center using the device, which can automatically clamp the knife template and automatically replace the knife template, have simple structure, shorten the time for replacing the knife template, obviously improve the use efficiency of a cutting machine, improve the position repeatability and the positioning precision of the knife template, improve the size precision of a cut product, meet the requirements of users and have good size stability of the cut product.
The utility model is realized in such a way that the utility model provides a knife template clamping and limiting device, which comprises a clamping component and a limiting component, the clamping assembly comprises a left die plate, a right die plate and a pressing cylinder, the left die plate and the right die plate are respectively arranged at the left side and the right side of the lower surface of the cutting die fixing plate, the pressing cylinder is arranged in the cutting die fixing plate, the pressing cylinder respectively drives the left die plate and the right die plate to press the cutting die plate on the lower surface of the cutting die fixing plate, the limiting assembly comprises a front limiting part and a rear limiting part which are arranged on the front side surface and the rear side surface of the cutting die fixing plate, wherein at least one of the front limit part and the rear limit part is a movable limit part, the other one is a fixed limit part or a movable limit part, the movable limiting part is linked with the left die plate or the right die plate to limit or unlock the front side surface and the rear side surface of the die plate.
Furthermore, two compressing cylinders are respectively arranged on the left side and the right side of the cutting die fixing plate, and the two compressing cylinders act simultaneously to compress or loosen the cutting die plate.
Furthermore, the compressing cylinder comprises a cylindrical hole arranged in the cutting die fixing plate, and a valve core shaft, an upper piston, a lower piston, an upper air chamber and a lower air chamber which are arranged in the cylindrical hole, wherein the upper piston and the lower piston are respectively arranged on the valve core shaft, the upper air chamber is arranged between the upper piston and the top wall of the cylindrical hole, the lower air chamber is arranged between the upper piston and the lower piston, an upper air pipe interface and a lower air pipe interface are respectively arranged on the cutting die fixing plate, and the upper air pipe interface and the lower air pipe interface are respectively communicated with the upper air chamber and the lower air chamber through an upper channel and a lower channel which are arranged on the cutting die fixing plate.
Further, a stopper washer is provided on an inner wall of the cylindrical hole, the stopper washer restricting a moving position of the lower piston.
Further, the fixed limiting part comprises a limiting block and a fastening bolt, the limiting block limits the moving position of the cutting die plate, and the fastening bolt fixes the limiting block on the side surface of the cutting die fixing plate.
Further, the movable limiting part comprises a first connecting rod, a second connecting rod, a first rotating shaft, a second rotating shaft and a third rotating shaft, wherein the first rotating shaft is fixed on the cutting die fixing plate, the third rotating shaft is fixed on the left die pressing plate or the right die pressing plate, the first rotating shaft is movably arranged in the middle of the first connecting rod, one end portions of the first connecting rod and the second connecting rod are respectively movably connected together through the second rotating shaft, the other end of the first connecting rod is provided with a blocking portion to limit the cutting die plate, and the other end of the second connecting rod is movably connected with the third rotating shaft.
Further, a section of inclined surface or arc-shaped surface is arranged on the blocking part of the first connecting rod.
And further, limit screws are respectively arranged between the left die pressing plate and the cutting die fixing plate and between the right die pressing plate and the cutting die fixing plate, and the limit screws respectively limit the maximum distance between the left die pressing plate and the cutting die fixing plate and the maximum distance between the right die pressing plate and the cutting die fixing plate.
Furthermore, a side cover is arranged on the cutter die fixing plate.
The utility model is realized in such a way, and provides a cutting machining center which comprises a cutting die fixing plate and a cutting die plate for cutting an object, wherein the cutting die fixing plate is provided with the cutting die plate clamping and limiting device for clamping the cutting die plate.
Compared with the prior art, the cutting die plate clamping and limiting device and the cutting machining center using the device, the clamping assembly and the limiting assembly are arranged on the cutting die fixing plate of the cutting machine, the cutting die plate is tightly pressed on the lower surface of the cutting die fixing plate by the clamping assembly, and the limiting assembly limits the front side surface and the rear side surface of the cutting die plate, so that the cutting die plate is automatically clamped, and the cutting die plate is automatically replaced. The utility model has simple structure, shortens the time for replacing the cutter template, obviously improves the use efficiency of the cutting machining center, improves the repeatability and the positioning precision of the position for replacing the cutter template, improves the dimensional precision of a cut product, and has good dimensional stability of the cut product.
Drawings
FIG. 1 is a schematic perspective view of a knife template clamping and limiting device of the present invention assembled on a cutting machine;
FIG. 2 is a perspective view of a preferred embodiment of the knife template clamping and limiting device of the present invention;
FIG. 3 is a perspective view of the device of FIG. 2 at an alternate angle, showing a cross-section M-M;
fig. 4 is a perspective view of the first link of fig. 2.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1, 2 and 3, the preferred embodiment of the cutting die plate clamping and limiting device and the cutting machine using the same of the present invention includes a clamping assembly 1 and a limiting assembly, which are mounted on a cutting die fixing plate 3 of the cutting machine.
The clamping assembly 1 comprises a left die plate 4, a right die plate 5 and a pressing air cylinder 6. The left die plate 4 and the right die plate 5 are respectively arranged on the left side and the right side of the lower surface of the cutting die fixing plate 3, and the pressing air cylinders 6 are arranged in the cutting die fixing plate 3 and symmetrically located at the left corner, the right corner, the front corner and the rear corner of the cutting die fixing plate 3. The pressing air cylinders 6 respectively drive the left pressing template 4 and the right pressing template 5 to press the cutter template A on the lower surface of the cutter template fixing plate 3.
The limiting assembly comprises a front limiting part and a rear limiting part which are arranged on the front side surface and the rear side surface of the cutting die fixing plate 3, wherein at least one of the front limiting part and the rear limiting part is a movable limiting part 7, and the other one of the front limiting part and the rear limiting part is a fixed limiting part or a movable limiting part 7. The movable limiting part 7 is linked with the left die plate 4 or the right die plate 5 to limit or unlock the front side surface and the rear side surface of the knife die plate A. In fig. 1, 2 and 3, movable stopper members 7 are provided on both front and rear side surfaces of the die fixing plate 3.
When the cutter template A is in a clamping state, the left press template 4 and the right press template 5 respectively press the cutter template A on the lower surface of the cutter template fixing plate 3 in the vertical direction under the action of the pressing air cylinder 6, and at the moment, the limiting assemblies limit the front side surface and the rear side surface of the cutter template A at the same time, so that the repeatability and the positioning accuracy of the position of the cutter template are improved, and the size accuracy of a cut product is improved.
The action process of the limiting assembly is as follows: when the left die plate 4 and the right die plate 5 of the clamping assembly 1 press the die plate a against the lower surface of the die fixing plate 3, the movable limiting part 7 also limits the front side surface or/and the rear side surface of the die plate a. On the contrary, when the left die plate 4 and the right die plate 5 of the clamping assembly 1 release the vertical compression of the tool setting die plate a, the movable limiting part 7 also releases the limitation of the front side or/and the rear side of the tool setting die plate a.
Two pressing cylinders 6 are respectively arranged on the left side and the right side of the cutting die fixing plate 3, and the two pressing cylinders 6 act simultaneously to press or loosen the cutting die plate A.
The pressing cylinder 6 comprises a cylindrical hole 61 arranged in the cutter die fixing plate 3, and a valve core shaft 62, an upper piston 63, a lower piston 64, an upper air chamber 65 and a lower air chamber 66 which are arranged in the cylindrical hole 61. An upper piston 63 and a lower piston 64 are respectively provided on the spool shaft 62, an upper air chamber 65 is provided between the upper piston 63 and the top wall of the cylindrical hole 61, and a lower air chamber 66 is provided between the upper piston 63 and the lower piston 64. An upper air pipe interface 8 and a lower air pipe interface 9 are respectively arranged on the cutting die fixing plate 3. The upper air pipe joint 8 and the lower air pipe joint 9 communicate with an upper air chamber 65 and a lower air chamber 66 through an upper channel 67 and a lower channel 68 provided on the die fixing plate 3, respectively.
According to the utility model, the pressing cylinder 6 is directly arranged in the cutting die fixing plate 3, so that the structure of the cutting die fixing plate clamping and limiting device is simplified, the weight of the cutting die fixing plate 3 is reduced, and the stability of the cutting die fixing plate is improved.
The action process of the pressing air cylinder 6 is as follows: when the upper air chamber 65 is filled with high-pressure air through the upper air pipe joint 8, and the lower air chamber 66 recovers the air through the lower air pipe joint 9, the valve core shaft 62, the upper piston 63 and the lower piston 64 on the valve core shaft are driven to move downwards together, and the left compression die plate 4 or the right compression die plate 5 is jacked open by the valve core shaft 62, so that the unlocking of the cutter die plate A is realized. The lower air chamber 66 is filled with high-pressure air through the lower air pipe joint 9, and after the upper air chamber 65 recovers the air through the upper air pipe joint 8, the valve core shaft 62, the upper piston 63 and the lower piston 64 on the valve core shaft are driven to move upwards together for resetting, and the valve core shaft 62 drives the left compression die plate 4 or the right compression die plate 5 to compress the knife die plate A.
A stop washer 69 is provided on the inner wall of the cylindrical hole 61, and the stop washer 69 limits the moving position of the lower piston 64, thereby limiting the moving position of the valve plug shaft 62, so that the telescopic height of the pressing cylinder 6 is limited.
The fixed limiting part comprises a limiting block and a fastening bolt (not shown in the figure). The limiting block limits the moving position of the cutter die plate A, and the limiting block is fixed on the side surface of the cutter die fixing plate 3 through the fastening bolt.
The movable limiting part 7 comprises a first connecting rod 71, a second connecting rod 72, a first rotating shaft 73, a second rotating shaft 74 and a third rotating shaft 75, wherein the first rotating shaft 73 is fixed on the cutting die fixing plate 3, the third rotating shaft 75 is fixed on the left die plate 4 or the right die plate 5, the first rotating shaft 73 is movably arranged in the middle of the first connecting rod 71, one end parts of the first connecting rod 71 and the second connecting rod 72 are respectively movably connected together by the second rotating shaft 74, the other end of the first connecting rod 71 is provided with a blocking part 76 for limiting the cutting die plate A, and the other end of the second connecting rod 72 is movably connected with the third rotating shaft 75.
Referring to fig. 4, a section of inclined or arc surface 77 is disposed on the blocking portion 76 of the first link 71, so that the blade plate a can be pushed back to a correct limit position when the first link 71 limits the blade plate a.
The action process of the movable limiting part 7 is as follows: when the pressing cylinder 6 drives the left pressing template 4 or the right pressing template 5 to move downwards, the third rotating shaft 75 and the second connecting rod 72 move downwards along with the left pressing template or the right pressing template, the second connecting rod 72 pulls one end of the first connecting rod 71 to move downwards through the second rotating shaft 74, the first connecting rod 71 rotates around the first rotating shaft 73, the other end of the first connecting rod 71 is lifted, and the cutting template A limited by the first connecting rod 71 is loosened. On the contrary, when the pressing cylinder 6 drives the left pressing plate 4 or the right pressing plate 5 to move upward, the third rotating shaft 75 and the second connecting rod 72 move upward along with the left pressing plate or the right pressing plate, the second connecting rod 72 pulls one end of the first connecting rod 71 to move upward through the second rotating shaft 74, the first connecting rod 71 rotates around the first rotating shaft 73, and the other end of the first connecting rod 71 is dropped to limit the knife plate a.
And limiting screws 2 are respectively arranged between the left die pressing plate 4, the right die pressing plate 5 and the cutting die fixing plate 3. The limiting screw rods 2 respectively adjust and limit the maximum distance between the left die pressing plate 4 and the knife die fixing plate 3 and the maximum distance between the right die pressing plate 5 and the knife die fixing plate 3.
The clamping and limiting device can be used for quickly limiting and clamping the cutter template A, so that the cutter template A can be quickly replaced, the position repeatability is good, and the positioning precision is high.
A side cover 10 is also provided on the cutting die fixing plate 3, and the side cover 10 covers the upper air pipe interface 8 and the lower air pipe interface 9.
The utility model also discloses a cutting machining center (not shown in the figure), which comprises a cutting die fixing plate 3 and a cutting die plate A, wherein the cutting die fixing plate 3 is used for cutting an object, and the cutting die plate clamping and limiting device is arranged on the cutting die fixing plate 3 to clamp the cutting die plate A.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A knife template clamping and limiting device is characterized by comprising a clamping component and a limiting component, the clamping assembly comprises a left die plate, a right die plate and a pressing cylinder, the left die plate and the right die plate are respectively arranged at the left side and the right side of the lower surface of the cutting die fixing plate, the pressing cylinder is arranged in the cutting die fixing plate, the pressing cylinder respectively drives the left die plate and the right die plate to press the cutting die plate on the lower surface of the cutting die fixing plate, the limiting assembly comprises a front limiting part and a rear limiting part which are arranged on the front side surface and the rear side surface of the cutting die fixing plate, wherein at least one of the front limit part and the rear limit part is a movable limit part, the other one is a fixed limit part or a movable limit part, the movable limiting part is linked with the left die plate or the right die plate to limit or unlock the front side surface and the rear side surface of the die plate.
2. The die plate clamping and limiting device as claimed in claim 1, wherein two pressing cylinders are respectively arranged on the left side and the right side of the die fixing plate, and the two pressing cylinders simultaneously act to press or release the die plates.
3. The die plate clamping and limiting device according to claim 1 or 2, wherein the pressing cylinder comprises a cylindrical hole arranged in the die fixing plate, and a valve core shaft, an upper piston, a lower piston, an upper air chamber and a lower air chamber which are arranged in the cylindrical hole, the upper piston and the lower piston are respectively arranged on the valve core shaft, the upper air chamber is arranged between the upper piston and the top wall of the cylindrical hole, the lower air chamber is arranged between the upper piston and the lower piston, the die fixing plate is respectively provided with an upper air pipe interface and a lower air pipe interface, and the upper air pipe interface and the lower air pipe interface are respectively communicated with the upper air chamber and the lower air chamber through an upper channel and a lower channel which are arranged on the die fixing plate.
4. The knife template clamping and limiting device as claimed in claim 3, wherein a stop washer is arranged on the inner wall of the cylindrical hole, and the stop washer limits the moving position of the lower piston.
5. The knife template clamping and limiting device according to claim 1, wherein the fixing and limiting part comprises a limiting block and a fastening bolt, the limiting block limits the moving position of the knife template, and the fastening bolt fixes the limiting block on the side surface of the knife template fixing plate.
6. The cutting die plate clamping and limiting device according to claim 1, wherein the movable limiting component comprises a first connecting rod, a second connecting rod, a first rotating shaft, a second rotating shaft and a third rotating shaft, wherein the first rotating shaft is fixed on the cutting die fixing plate, the third rotating shaft is fixed on the left die plate or the right die plate, the first rotating shaft is movably arranged in the middle of the first connecting rod, the second rotating shaft movably connects one end parts of the first connecting rod and the second connecting rod together respectively, the other end of the first connecting rod is provided with a blocking part for limiting the cutting die plate, and the other end of the second connecting rod is movably connected with the third rotating shaft.
7. The knife template clamping and limiting device as claimed in claim 6, wherein a section of inclined surface or arc surface is arranged on the blocking part of the first connecting rod.
8. The cutting die plate clamping and limiting device according to claim 1, wherein limiting screws are respectively arranged between the left and right die plates and the cutting die fixing plate, and respectively limit the maximum distance between the left and right die plates and the cutting die fixing plate.
9. The die plate clamping and limiting device of claim 3, wherein a side cover is further provided on the die fixing plate.
10. A cutting machining center is characterized by comprising a cutting die fixing plate and a cutting die plate, wherein the cutting die fixing plate is used for cutting an object, and the cutting die plate clamping limiting device is arranged on the cutting die fixing plate to clamp a cutting die plate according to claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121119241.XU CN215549137U (en) | 2021-05-24 | 2021-05-24 | Cutting die plate clamping and limiting device and cutting machining center using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121119241.XU CN215549137U (en) | 2021-05-24 | 2021-05-24 | Cutting die plate clamping and limiting device and cutting machining center using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215549137U true CN215549137U (en) | 2022-01-18 |
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ID=79863253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121119241.XU Active CN215549137U (en) | 2021-05-24 | 2021-05-24 | Cutting die plate clamping and limiting device and cutting machining center using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215549137U (en) |
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2021
- 2021-05-24 CN CN202121119241.XU patent/CN215549137U/en active Active
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