WO2022247238A1

WO2022247238A1 - Cutter template clamping and limiting apparatus, and cutting processing center using same

Info

Publication number: WO2022247238A1
Application number: PCT/CN2021/138072
Authority: WO
Inventors: 童惠忠; 王文寅; 王卸斌; 童俊翔; 童孝忠
Original assignee: 衢州台威精工机械有限公司
Priority date: 2021-05-24
Filing date: 2021-12-14
Publication date: 2022-12-01
Also published as: EP4205927A1; CN113510784A; EP4205927A4

Abstract

A cutter template (A) clamping and limiting apparatus. The apparatus is mounted a cutter template fixing plate (3) of a cutting machine, and comprises a clamping assembly (1) and a limiting assembly; the clamping assembly comprises a left pressing template (4), a right pressing template (5), and pressing cylinders (6); the left pressing template and the right pressing template are respectively arranged at the left and right sides of the lower surface of the cutter template fixing plate; the pressing cylinders are arranged in the cutter template fixing plate, and respectively drive the left pressing template and the right pressing template to press a cutter template on the lower surface of the cutter template fixing plate; the limiting assembly comprises a front limiting component and a rear limiting component that are arranged at the front and rear side surfaces of the cutter template; at least one of the front limiting component and the rear limiting component is a movable limiting component (7), and the other one of the front limiting component and the rear limiting component is a fixed limiting component or a movable limiting component; and along with the linkage of the left pressing template or the right pressing template, the movable limiting component limits the front and rear side surfaces of the cutter template. Further involved is a cutting processing center using the apparatus. The apparatus and the processing center can improve the position repeatability and positioning accuracy for replacing the cutter template.

Description

Cutting plate clamping limit device and cutting processing center using the device

technical field

The invention belongs to the technical field of cutting machines, and in particular relates to a clamping and limiting device for a knife template and a cutting processing center using the device.

Background technique

The cutting machine needs to frequently replace the cutting dies according to the cutting style, and the cutting dies are generally set on the die plate. Most of the existing cutting machines use manual replacement of the knife template, which not only takes a long time to replace and is inefficient, but also has poor position repeatability after the replacement of the knife template, and the dimensional accuracy of the cut product is low. Although some cutting machines adopt a mechanical device for automatically changing the knife template, the structure of the mechanical device is complicated, and the dimensional accuracy of the cut product is still unsatisfactory.

technical problem

The technical problem to be solved by the present invention is to provide a cutter template clamping and limiting device and a cutting machining center using the device, which can automatically clamp the cutter template and automatically replace the cutter template. The time to replace the knife template can significantly improve the efficiency of the cutting machine, and also improve the position repeatability and positioning accuracy of the replacement knife template, improve the dimensional accuracy of the cut product, meet the needs of users, and the dimensional stability of the cut product is good.

technical solution

The present invention is achieved by providing a clamping and limiting device for a knife plate, including a clamping assembly and a limiting assembly, which are installed on the knife mold fixing plate of the cutting machine, and the clamping assembly includes a left pressing plate, a right The pressing plate and the pressing cylinder, the left pressing plate and the right pressing plate are respectively arranged on the left and right sides of the lower surface of the die fixing plate, the pressing cylinder is arranged in the fixing plate of the cutting die, and the pressing cylinder drives the left pressing plate and the right pressing plate respectively. The pressing plate presses the die plate on the lower surface of the die fixing plate, and the limit assembly includes front limit parts and rear limit parts arranged on the front and rear sides of the die fix plate, wherein the front limit part At least one of the limit parts and the rear limit part is a movable limit part, and the other is a fixed limit part or a movable limit part. Limit or unlock.

Further, two pressing cylinders are respectively arranged on the left and right sides of the die fixing plate, and the two pressing cylinders act simultaneously to compress or loosen the die die.

Further, the pressing cylinder includes a cylindrical hole arranged in the die fixing plate and a valve core shaft arranged in the cylindrical hole, an upper piston, a lower piston, an upper air chamber and a lower air chamber, and the upper piston and the lower piston respectively Set on the spool shaft, the upper air chamber is set between the upper piston and the top wall of the cylindrical hole, the lower air chamber is set between the upper piston and the lower piston, and the upper air pipe interface and the lower air pipe interface are respectively set on the die fixing plate , the upper air pipe interface and the lower air pipe interface communicate with the upper air chamber and the lower air chamber through the upper channel and the lower channel respectively arranged on the die fixing plate.

Further, a stop washer is provided on the inner wall of the cylindrical hole, and the stop washer limits the moving position of the lower piston.

Further, the fixed limit part includes a limit block and a fastening bolt, the limit block limits the moving position of the die plate, and the fastening bolt fixes the limit block on the side surface of the die plate fixing plate.

Further, the movable limiting part includes 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 die fixing plate, and the third rotating shaft is fixed on On the left press plate or the right press plate, the first rotating shaft is movably arranged in the middle of the first connecting rod, and the second rotating shaft movably connects one end of the first connecting rod and the second connecting rod together respectively, and the first connecting rod The other end of the connecting rod is provided with a blocking portion to limit the position of the knife plate, and the other end of the second connecting rod is movably connected with the third rotating shaft.

Further, an inclined surface or an arc-shaped surface is provided on the blocking portion of the first connecting rod.

Further, limit screws are respectively set between the left press plate, the right press plate and the die fixing plate, and the limit screws respectively limit the maximum distance between the left press plate, the right press plate and the die fixing plate .

Further, a side cover is also arranged on the die fixing plate.

The present invention is achieved by providing a cutting processing center, including a die plate and a die plate used for cutting objects, and the die plate clamping and limiting device as described above is set on the die plate fixing plate to clamp the knife template.

Beneficial effect

Compared with the prior art, the cutter template clamping and limiting device of the present invention and the cutting machining center using the device, the clamping assembly and the limiting assembly are installed on the cutter mold fixing plate of the cutting machine, and the clamping assembly will The knife template is pressed on the lower surface of the knife mold fixing plate, and the limit component limits the front and rear sides of the knife template to realize automatic clamping of the knife template and automatic replacement of the knife template. The invention has a simple structure, not only shortens the time for replacing the knife template, significantly improves the use efficiency of the cutting machining center, but also improves the repeatability and positioning accuracy of the replacement knife template position, improves the dimensional accuracy of the cutting product, and has good dimensional stability of the cutting product .

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the clamping and limiting device of the knife plate of the present invention assembled on the cutting machine;

Fig. 2 is a three-dimensional schematic diagram of a preferred embodiment of the clamping and limiting device of the knife plate of the present invention;

Fig. 3 is a schematic perspective view of another angle in Fig. 2, showing the M-M section;

FIG. 4 is a schematic perspective view of the first connecting rod in FIG. 2 .

BEST MODE FOR CARRYING OUT THE INVENTION

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Please refer to Fig. 1, Fig. 2 and Fig. 3 at the same time, the preferred embodiment of the clamping and limiting device for the knife template of the present invention and the cutting machine using the device includes a clamping assembly 1 and a limiting assembly, which are installed in the cutting On the die-cutting fixed plate 3 of the machine.

The clamping assembly 1 includes a left pressing plate 4 , a right pressing plate 5 and a pressing cylinder 6 . The left press template 4 and the right press template 5 are respectively arranged on the left and right sides of the lower surface of the die set plate 3, and the compression cylinder 6 is arranged in the die set plate 3, and is symmetrically positioned on the left and right sides of the die set plate 3. The positions of the front and rear corners. The pressing cylinder 6 drives the left pressing plate 4 and the right pressing plate 5 respectively to compress the cutting die plate A on the lower surface of the cutting die fixing plate 3 .

The limiting assembly includes a front limiting component and a rear limiting component arranged on the front and rear sides of the die fixing plate 3, wherein at least one of the front limiting component and the rear limiting component is a movable limiting component 7, The other is a fixed limiting part or a movable limiting part 7 . The movable limiting part 7 is linked with the left press plate 4 or the right press plate 5 to limit or unlock the front and rear sides of the knife plate A. In FIG. 1 , FIG. 2 and FIG. 3 , movable limiting parts 7 are respectively arranged on the front and rear sides of the die fixing plate 3 .

When the knife template A is in the clamped state, the left press template 4 and the right press template 5 press the up and down direction of the cutter template A on the lower surface of the cutter template fixed plate 3 under the action of the compression cylinder 6 respectively. The limit component simultaneously limits the front and rear sides of the knife template A, improves the repeatability and positioning accuracy of changing the knife template position, and improves the dimensional accuracy of the cut product.

The action process of the limiting assembly is: when the left pressing plate 4 and the right pressing plate 5 of the clamping assembly 1 press the cutting plate A on the lower surface of the cutting die fixing plate 3, the movable limiting part 7 also follows Therefore, the front side or/and the rear side of the knife template A are limited. Conversely, when the left pressing plate 4 and the right pressing plate 5 of the clamping assembly 1 release the compression in the up and down direction of the tool setting plate A, the movable limiting part 7 also releases the front side or/and the rear side of the tool setting plate A accordingly. direction limit.

Two pressing cylinders 6 are respectively arranged on the left and right sides of the die fixing plate 3, and the two pressing cylinders 6 act at the same time to compress or loosen the die plate A.

The pressing cylinder 6 includes a cylindrical hole 61 arranged in the die fixing plate 3 , a valve core shaft 62 , an upper piston 63 , a lower piston 64 , an upper air chamber 65 and a lower air chamber 66 arranged in the cylindrical hole 61 . The upper piston 63 and the lower piston 64 are respectively arranged on the spool shaft 62 , the upper air chamber 65 is arranged between the upper piston 63 and the top wall of the cylindrical hole 61 , and the lower air chamber 66 is arranged 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 die fixing plate 3 . The upper air pipe interface 8 and the lower air pipe interface 9 communicate with the upper air chamber 65 and the lower air chamber 66 through the upper passage 67 and the lower passage 68 respectively arranged on the die fixing plate 3 .

In the present invention, the pressing cylinder 6 is directly built in the die fixing plate 3, which simplifies the structure of the clamping and limiting device of the die die, reduces the weight of the die fixing plate 3, and improves its stability.

The action process of the compression cylinder 6 is: when the upper air chamber 65 passes the high-pressure gas through the upper air pipe interface 8, and the lower air chamber 66 recovers the gas through the lower air pipe interface 9, the valve core shaft 62 and the upper piston on it are driven 63. The lower piston 64 moves downward together, and the spool shaft 62 pushes away the left pressing plate 4 or the right pressing plate 5 to realize the unlocking of the knife setting plate A. The lower air chamber 66 is fed with high-pressure gas through the lower air pipe interface 9, and after the upper air chamber 65 recovers the gas through the upper air pipe interface 8, the valve core shaft 62 and the upper piston 63 and lower piston 64 on it are driven to move upward and reset together, and the valve core The shaft 62 drives the left press template 4 or the right press template 5 to compress the knife template A.

A stop washer 69 is arranged 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 spool shaft 62, so that the telescopic height of the compression cylinder 6 is limited. .

The fixed limiting component includes a limiting block and a fastening bolt (not shown in the figure). The limit block limits the moving position of the die plate A, and the fastening bolt fixes the limit block on the side surface of the die plate fixing plate 3 .

The movable limiting part 7 includes 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 die fixing plate 3, The third rotating shaft 75 is fixed on the left pressing plate 4 or the right pressing plate 5, and the first rotating shaft 73 is movably arranged on the middle part of the first connecting rod 71, and the second rotating shaft 74 connects the first connecting rod 71 and the second connecting rod 72. One ends are movably connected together, the other end of the first connecting rod 71 is provided with a blocking portion 76 to limit the cutter plate A, and the other end of the second connecting rod 72 is movably connected with the third rotating shaft 75 .

Please refer to FIG. 4 , an inclined surface or an arc-shaped surface 77 is provided on the blocking portion 76 of the first connecting rod 71, and it is convenient to move the cutting board A when the first connecting rod 71 limits the cutting board A. Push back to the correct stop position.

The action process of the movable limiting part 7 is: when the compression cylinder 6 drives the left press plate 4 or the right press plate 5 to move downward, the third rotating shaft 75 and the second connecting rod 72 then move downward with it, and the second Two connecting rods 72 pull one end of the first connecting rod 71 through the second rotating shaft 74 and also move downward, the first connecting rod 71 rotates around the first rotating shaft 73, and the other end of the first connecting rod 71 is then lifted, unclamped Its limited knife template A. Conversely, when the compression cylinder 6 drives the left press plate 4 or the right press plate 5 to move upward, the third rotating shaft 75 and the second connecting rod 72 then move upward with it, and the second connecting rod 72 pulls the second connecting rod 72 through the second rotating shaft 74 to move upward. One end of a connecting rod 71 also moves upwards, the first connecting rod 71 rotates around the first rotating shaft 73, and the other end of the first connecting rod 71 is then dropped to limit the position of the knife plate A.

Limiting screw rods 2 are respectively arranged between the left press plate 4 and the right press plate 5 and the knife die fixing plate 3 . The limit screw 2 adjusts and limits the maximum distance between the left press plate 4 and the right press plate 5 and the die fixing plate 3 respectively.

The clamping and limiting device of the present invention can quickly limit and clamp the cutter template A, realize quick replacement of the cutter template A, and has good position repeatability and high positioning accuracy.

A side cover 10 is also arranged on the die fixing plate 3 , and the side cover 10 covers the upper air pipe interface 8 and the lower air pipe interface 9 .

The present invention also discloses a cutting processing center (not shown in the figure), including a die fixing plate 3 and a die plate A for cutting objects, on which the die fixing plate 3 is provided with the aforementioned knife Template clamping limit device to clamp the knife template A.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Embodiments of the present invention

Type the description of the embodiments of the invention paragraph here.

Industrial Applicability

Type the industrial applicability description paragraph here.

Sequence Listing Free Content

Type the sequence listing free content description paragraph here.

Claims

A knife template clamping and limiting device is characterized in that it includes a clamping assembly and a limiting assembly, which are installed on the knife template fixing plate of the cutting machine, and the clamping assembly includes a left pressing template, a right pressing template and a pressing template. Tighten the cylinder, the left press template and the right press template are respectively arranged on the left and right sides of the lower surface of the knife die fixing plate, and the pressing cylinder is arranged in the knife mold fixing plate, and the pressing cylinder respectively drives the left press template and the right press template to press the knife The template is pressed on the lower surface of the die fixing plate, and the limit assembly includes front limit parts and rear limit parts arranged on the front and rear sides of the die fix plate, wherein the front limit part and the rear limit At least one of the components is a movable limiting part, and the other is a fixed limiting part or a movable limiting part. unlock.
The clamping and limiting device of the knife template according to claim 1, wherein two compression cylinders are respectively arranged on the left and right sides of the knife template fixing plate, and the two compression cylinders act at the same time to press the knife template. Tighten or loosen.
The clamping and limiting device of the knife plate according to claim 1 or 2, wherein the pressing cylinder includes a cylindrical hole arranged in the knife mold fixing plate, a valve core shaft and an upper piston arranged in the cylindrical hole , the lower piston, the upper air chamber and the lower air chamber, the upper piston and the lower piston are respectively arranged on the spool shaft, the upper air chamber is arranged between the upper piston and the top wall of the cylindrical hole, and the lower air chamber is arranged with the upper piston and the lower piston Between them, the upper air pipe interface and the lower air pipe interface are respectively set on the die fixing plate, and the upper air pipe interface and the lower air pipe interface are respectively connected to the upper air chamber and the lower air chamber through the upper passage and the lower passage arranged on the die fixing plate. Pass.
The clamping and limiting device of the cutter plate according to 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.
The clamping and limiting device of the knife plate according to claim 1, wherein the fixed limiting part comprises a limit block and a fastening bolt, the limit block limits the moving position of the knife plate, and the fastening bolt will limit the position of the knife plate. The block is fixed on the side surface of the die fixing plate.
The cutter plate clamping and limiting device according to claim 1, wherein 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 die fixing plate, the third rotating shaft is fixed on the left or right pressing plate, the first rotating shaft is movably arranged in the middle of the first connecting rod, and the second rotating shaft connects the first connecting rod and the second One ends of the connecting rods are respectively movably connected together, the other end of the first connecting rod is provided with a blocking portion to limit the position of the knife plate, and the other end of the second connecting rod is movably connected with the third rotating shaft.
The clamping and limiting device of the knife plate according to claim 6, wherein an inclined surface or an arc-shaped surface is provided on the blocking portion of the first connecting rod.
The clamping and limiting device of the knife plate according to claim 1, wherein a limit screw is respectively set between the left press plate and the right press plate and the knife plate fixing plate, and the limit screw respectively limits the left and right press plates. The maximum distance between the press plate and the right press plate and the die set plate.
The clamping and limiting device of the die plate according to claim 3, wherein a side cover is further arranged on the die plate fixing plate.
A cutting processing center, characterized in that it includes a die plate fixing plate and a die plate for cutting objects, and the die plate clamping and limiting device according to claims 1 to 9 is arranged on the die plate fixing plate to clamp the knife template.