CN206509429U - A kind of bending machine tool quick die change device - Google Patents

Abstract

The utility model relates to a quick mold changing device for a bending machine tool, which comprises a mold, a pad iron, a workbench, a support frame and a pressure plate. The mold includes an upper mold and a lower mold, and the lower mold is installed on the upper mold. The upper mold is set on the pad iron, the pad iron is set on the workbench, the two sides of the pad iron are provided with T-shaped grooves, T-shaped bolts are installed in the T-shaped grooves, and the two sides of the lower mold are set There is a threaded hole, the threaded hole is provided with a screw that matches the threaded hole, the screw is connected to one end of the pressure plate, the other end of the pressure plate is connected to a T-bolt, the support frame is provided with a driving device, and the pad The iron is connected with the drive unit. The utility model moves the mold through the driving device of the support frame, improves the safety of the bending mold replacement process, facilitates operators to adjust the reference plane of the mold, improves efficiency, and reduces the labor intensity of mold changing personnel.

Description

A quick mold changing device for a bending machine tool

technical field

The utility model belongs to the technical field of matching equipment for bending machines, in particular to a quick mold changing device for bending machine tools.

Background technique

The bending process is a plastic forming process that bends sheet metal along a straight line or a curve to obtain a workpiece with a certain angle or arc. The bending process is widely used in sheet metal processing, especially the forming and processing of sheet metal parts used in aircraft. The bending parts produced by manufacturing enterprises are basically single-piece, small-batch, and multi-variety production. Due to frequent product changes, it is necessary to constantly replace the bending dies used in production.

The patent No. is CN203936177U, and the application date is 2014-06-11. It discloses a bending machine, including a workbench, a bending lower die, and a bending upper die. The workbench is fixed on the frame, and the bending machine The lower mold is fixed at the end of the workbench, and the bending lower mold is provided with several grooves, the openings of the grooves face the direction of the bending upper mold, and the grooves are respectively arranged at both ends of the bending lower mold or evenly arranged on the On the bending lower die, the grooves are all connected from the feeding side of the bending lower die to the bending side.

The above-mentioned patent provides good cushioning force by providing deep grooves in the lower bending die, improves the durability of the lower bending die, and reduces maintenance or replacement costs. However, when replacing a heavy and large mold, it is very difficult to move the mold on the workbench, and there are certain safety hazards, and it is inconvenient to load and unload, and the operator needs to adjust the position of the mold so that the reference plane of the upper mold and the reference plane of the slider on the bending machine face each other. Qi, which reduces the efficiency of the mold adjustment process and increases the labor intensity of the operator.

Utility model content

The purpose of this utility model is to overcome the above-mentioned problems existing in the prior art, and provide a quick mold changing device for bending machine tools. The large-scale mold can improve the safety of the bending mold replacement process, facilitate the operator to adjust the datum plane of the mold, improve efficiency, facilitate loading and unloading, and reduce the labor intensity of the mold changing personnel. This technology has certain practical value for manufacturing enterprises.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows:

A quick mold change device for a bending machine tool, comprising a mold, a shim, a workbench, a support frame and a pressure plate, the mold includes an upper mold and a lower mold, the lower mold is installed on the upper mold, and the upper mold is arranged on On the pad iron, the pad iron is arranged on the workbench, the two sides of the pad iron are provided with T-shaped slots, T-shaped bolts are installed in the T-shaped slots, and threaded holes are provided on both sides of the lower die, The threaded hole is provided with a screw that matches the threaded hole. The screw is connected to one end of the pressing plate, and the other end of the pressing plate is connected to a T-shaped bolt. The support frame is provided with a driving device, and the pad iron and the driving device connect.

The driving device includes a hand wheel, a ball screw, a push frame, a guide rail and a bearing seat, and the guide rail and the bearing seat are fixed on the support frame through a threaded connection, and a ball screw is installed on the bearing seat, and one end of the ball screw is The handwheel is fixedly connected, and the ball screw is connected with a mounting seat matched with the ball screw. The mounting seat and the push frame are connected by bolts, and the guide rails support the two ends of the push frame. The bolt is connected with the T-shaped groove of the pad iron, and the pad iron moves forward and backward with the transmission of the ball screw.

The support frame includes a rectangular square tube and a fixing plate, the lower end of the rectangular square tube is provided with an adjusting bolt, the side of the rectangular square tube moving forward and backward along the pad iron is installed with a fixing plate, and the two ends of the fixing plate are provided with U-shaped openings , the U-shaped opening is connected with the workbench through T-shaped bolts.

The pad iron is made of damping material, the lower end of the pad iron is provided with a lubricating groove, and the upper surface of the pad iron is provided with a positioning scale.

There are two supporting frames, and they are distributed on the left and right sides of the horn.

The upper surface of the upper mold is provided with a V-shaped groove, and the lower end of the lower mold is arranged in the V-shaped groove.

The advantage of adopting the utility model is:

1. Through the driving device of the support frame to push the mold, it is convenient to move the mold out or into the workbench when changing the mold of the bending machine, improving the safety of the bending mold replacement process, improving efficiency, and reducing the labor intensity of the mold changing personnel , by setting the pad iron assembled with it at the lower end of the mold, after moving to the workbench, adjust the pad iron to realize the installation and alignment of the bending mold, which is convenient for the operator to adjust the datum plane of the mold, and in the process of changing the mold, it is easy to load and unload. At the same time, the contact area between the mold and the workbench is increased to prevent the contact surface of the lower mold of the mold from crushing the workbench surface, which has certain practical value for manufacturing enterprises.

2. The ball screw on the driving device drives the mold to move in a straight line, with small frictional resistance, enhanced fatigue life and precision, and small driving torque, which reduces the workload of the operator.

3. Adjust the height of the support frame by adjusting the bolts to ensure the flatness of the workbench and the guide rail, and prevent the mold from being removed or moved into the workbench due to the workbench being too high or too low. At the same time, the support frame passes through the fixing plate and the workbench Connection, convenient loading and unloading during maintenance.

4. Reduce mechanical noise and vibration to the greatest extent through damping materials, make it stable, improve work efficiency and prolong the service life of equipment, and the positioning scale is convenient for the operator to initially position the mold.

5. By setting two support frames, the mold can be prevented from turning over and the safety can be improved.

6. By installing the lower mold in the V-shaped groove of the upper mold, the impact of the upper mold on the lower mold can provide a good buffer force, reduce the probability of deformation of the lower mold caused by the impact, and reduce the labor of the lower mold The high degree improves the durability of the bending die and reduces the cost of maintenance or replacement.

Description of drawings

Fig. 1 is a schematic diagram of the general structure of the utility model.

Fig. 2 is a schematic diagram of the combined structure of the pad iron and the mold of the present invention.

Fig. 3 is a structural schematic diagram of the pad iron of the present invention.

Fig. 4 is a structural schematic diagram of the drive device of the present invention.

Fig. 5 is a structural schematic diagram of the support frame of the present invention.

Marks in the figure: 1. Upper die, 2. Horn, 3. Workbench, 4. Support frame, 5. Press plate, 6. Hand wheel, 7. Ball screw, 8. Push frame, 9. Guide rail, 10. Bearing seat, 11, mounting seat, 12, rectangular square tube, 13, fixed plate, 14, lower die, 15, T-shaped groove, 16, lubricating groove.

detailed description

Below in conjunction with accompanying drawing, the utility model is described further.

Example 1

As shown in Figures 1 to 5, a quick die change device for a bending machine tool includes a die, a pad iron 2, a workbench 3, a support frame 4 and a pressing plate 5, and the die includes an upper die 1 and a lower die 14. Described lower mold 14 is installed on the upper mold 1, and described upper mold is arranged on the parallel iron 2, and described parallel iron 2 is arranged on the workbench 3, and the two sides of described parallel iron 2 are provided with T-shaped groove 15, so T-shaped bolts are installed in the T-shaped groove 15, and threaded holes are provided on both sides of the lower mold 14, and a screw rod that matches the threaded hole is arranged in the threaded hole, and the screw rod is connected to one end of the pressing plate 5, and the pressing plate The other end of 5 is connected with T-shaped bolts, and the supporting frame 4 is provided with a driving device, and the pad iron 2 is connected with the driving device.

When replacing the mould, fix the pad iron 2 on the driving device by a crane, and then install the mold on the driving device by a crane, and after the operator initially positions the mould, screw one end of the screw into both sides of the upper die 1 In the threaded hole, the other end of the screw rod is connected to one end of the pressure plate 5, and the other end of the pressure plate 5 is connected to the T-shaped bolt. It is fixed to facilitate the assembly and adjustment of the mold. The driving device of the support frame pushes the mold, and it is convenient to remove the mold or move it into the workbench 3 when changing the mold of the bending machine, which improves the safety of the bending mold replacement process. Improve efficiency and reduce labor intensity of mold changers.

Example 2

As shown in Figures 1 to 5, a quick die change device for a bending machine tool includes a die, a pad iron 2, a workbench 3, a support frame 4 and a pressing plate 5, and the die includes an upper die 1 and a lower die 14. Described lower mold 14 is installed on the upper mold 1, and described upper mold is arranged on the parallel iron 2, and described parallel iron 2 is arranged on the workbench 3, and the two sides of described parallel iron 2 are provided with T-shaped groove 15, so T-shaped bolts are installed in the T-shaped groove 15, and threaded holes are provided on both sides of the lower mold 14, and a screw rod that matches the threaded hole is arranged in the threaded hole, and the screw rod is connected to one end of the pressing plate 5, and the pressing plate The other end of 5 is connected with T-shaped bolts, and the supporting frame 4 is provided with a driving device, and the pad iron 2 is connected with the driving device.

Described driving device comprises handwheel 6, ball screw 7, push frame 8, guide rail 9 and bearing seat 10, and described guide rail 9 and bearing seat 10 are fixed on support frame 4 by threaded connection, and ball is installed on described bearing seat 10 Lead screw 7, one end of the ball screw 7 is fixedly connected to the hand wheel 6, the ball screw 7 is connected with a mounting seat 11 that cooperates with the ball screw 7, the mounting seat 11 is connected with the push frame 8 by bolts, The two ends of the push frame 8 are supported by the guide rail 9, and the push frame 8 is connected with the T-shaped slot 15 of the pad iron 2 through a T-bolt, and the pad iron 2 moves forward and backward with the transmission of the ball screw 7.

The support frame 4 includes a rectangular square tube 12 and a fixed plate 13, the lower end of the rectangular square tube 12 is provided with an adjusting bolt, and the fixed plate 13 is installed on the side of the rectangular square tube 12 that moves back and forth along the parallel iron 2, and the fixed plate 13 is provided with U-shaped openings at both ends, and the U-shaped openings are connected to the workbench 3 through T-shaped bolts.

When replacing the mould, fix the pad iron 2 on the driving device by a crane, and then install the mold on the driving device by a crane. After the operator initially positions the mould, screw one end of the screw into the two sides of the upper die 1. In the threaded hole, the other end of the screw rod is connected to one end of the pressure plate 5, and the other end of the pressure plate 5 is connected to a T-shaped bolt. It is fixed to facilitate the assembly and adjustment of the mould. The mould is pushed by the driving device of the support frame, and the mold is conveniently removed or moved into the workbench 3 when the bending machine is changing the mould, which improves the safety of the bending die replacement process and improves the Efficiency and reduce the labor intensity of the mold changing personnel.

When it is necessary to change the mold, turn the hand wheel 6 to drive the ball screw 7, convert the rotary motion into a linear motion, and drive the push frame 8 to move back and forth along the guide rail 9, and the guide rail 9 also supports the push frame 8, so that the horn 2 The mold is removed or moved into the workbench, and the ball screw on the driving device drives the mold to move in a straight line. The frictional resistance is small, the fatigue life and precision are enhanced, the driving torque is small, and the workload of the operator is reduced. It is convenient and fast. Replace the mold.

The upper and lower ends of four vertical rectangular tubes 12 are connected together to form a cube, the four sides of the cube are welded with baffle plates, and the cube is provided with a fixed plate 13 facing the workbench, and the two ends of the fixed plate 13 are provided with U-shaped Opening, the screw head end of the T-shaped bolt is stuck on the U-shaped opening, and the other end of the T-shaped bolt is connected on the workbench 3 through a nut. When the support frame 4 is damaged, it is convenient to disassemble. When the guide rail 9 is out of alignment with the workbench 3, the height of the support frame 4 is adjusted by adjusting bolts to make it parallel, so that the mold can be removed or moved into the workbench 3 conveniently.

Example 3

As shown in Figures 1 to 5, a quick die change device for a bending machine tool includes a die, a pad iron 2, a workbench 3, a support frame 4 and a pressing plate 5, and the die includes an upper die 1 and a lower die 14. Described lower mold 14 is installed on the upper mold 1, and described upper mold is arranged on the parallel iron 2, and described parallel iron 2 is arranged on the workbench 3, and the two sides of described parallel iron 2 are provided with T-shaped groove 15, so T-shaped bolts are installed in the T-shaped groove 15, and threaded holes are provided on both sides of the lower mold 14, and a screw rod that matches the threaded hole is arranged in the threaded hole, and the screw rod is connected to one end of the pressing plate 5, and the pressing plate The other end of 5 is connected with T-shaped bolts, and the supporting frame 4 is provided with a driving device, and the pad iron 2 is connected with the driving device.

Described driving device comprises handwheel 6, ball screw 7, push frame 8, guide rail 9 and bearing seat 10, and described guide rail 9 and bearing seat 10 are fixed on support frame 4 by threaded connection, and ball is installed on described bearing seat 10 Lead screw 7, one end of the ball screw 7 is fixedly connected to the hand wheel 6, the ball screw 7 is connected with a mounting seat 11 that cooperates with the ball screw 7, the mounting seat 11 is connected with the push frame 8 by bolts, The two ends of the push frame 8 are supported by the guide rail 9, and the push frame 8 is connected with the T-shaped slot 15 of the pad iron 2 through a T-bolt, and the pad iron 2 moves forward and backward with the transmission of the ball screw 7.

The support frame 4 includes a rectangular square tube 12 and a fixed plate 13, the lower end of the rectangular square tube 12 is provided with an adjusting bolt, and the fixed plate 13 is installed on the side of the rectangular square tube 12 that moves back and forth along the parallel iron 2, and the fixed plate 13 is provided with U-shaped openings at both ends, and the U-shaped openings are connected to the workbench 3 through T-shaped bolts.

The pad iron 2 is made of damping material, the lower end of the pad iron 2 is provided with a lubricating groove 16, and the upper surface of the pad iron 2 is provided with a positioning scale.

There are two support frames 4 , which are distributed on the left and right sides of the parallel iron 2 .

The upper surface of the upper mold 1 is provided with a V-shaped groove, and the lower end of the lower mold 14 is arranged in the V-shaped groove.

When replacing the mould, fix the pad iron 2 on the driving device by a crane, and then install the mold on the driving device by a crane, and after the operator initially positions the mould, screw one end of the screw into both sides of the upper die 1 In the threaded hole, the other end of the screw rod is connected to one end of the pressure plate 5, and the other end of the pressure plate 5 is connected to the T-shaped bolt. It is fixed to facilitate the assembly and adjustment of the mold. The driving device of the support frame pushes the mold, and it is convenient to remove the mold or move it into the workbench 3 when changing the mold of the bending machine, which improves the safety of the bending mold replacement process. Improve efficiency and reduce labor intensity of mold changers.

When it is necessary to change the mold, turn the hand wheel 6 to drive the ball screw 7, convert the rotary motion into a linear motion, and drive the push frame 8 to move back and forth along the guide rail 9, and the guide rail 9 also supports the push frame 8, so that the horn 2 The mold is removed or moved into the workbench, and the ball screw on the driving device drives the mold to move in a straight line. The frictional resistance is small, the fatigue life and precision are enhanced, the driving torque is small, and the workload of the operator is reduced. It is convenient and fast. Replace the mold.

The upper and lower ends of four vertical rectangular tubes 12 are connected together to form a cube, the four sides of the cube are welded with baffle plates, and the cube is provided with a fixed plate 13 facing the workbench, and the two ends of the fixed plate 13 are provided with U-shaped Opening, the screw head end of the T-shaped bolt is stuck on the U-shaped opening, and the other end of the T-shaped bolt is connected on the workbench 3 through a nut. When the support frame 4 is damaged, it is convenient to disassemble. When the guide rail 9 is out of alignment with the workbench 3, the height of the support frame 4 is adjusted by adjusting bolts to make it parallel, so that the mold can be removed or moved into the workbench 3 conveniently.

The pad iron 2 adopts damping materials to reduce mechanical noise and vibration, making it stable. The lubricating groove 16 is conducive to the flow of lubricant, making the adjustment of the pad iron 2 more convenient. The upper surface of the pad iron 2 is provided with a positioning scale to make the operation There are reference objects when personnel are adjusted.

For longer molds, in order to prevent the mold and the pad iron from turning over, two support frames 4 are installed at appropriate positions on the left and right sides of the workbench 3 .

The lower end of the lower die 14 is installed in the V-shaped groove of the upper die 1. The V-shaped groove reduces the probability of deformation of the lower die for bending caused by impact, reduces the degree of bending lower die, improves the durability of the lower die for bending, and reduces repair or replacement costs.

The above-mentioned embodiments only express the specific implementation manners of the present application, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the protection scope of the present application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the technical solution of the present application, and these all belong to the protection scope of the present application.

Claims (6)

1. a kind of bending machine tool quick die change device, including mould, parallels（2）, workbench（3）, support frame（4）And pressing plate（5）, It is characterized in that：The mould includes upper mould（1）With lower mould（14）, the lower mould（14）Installed in upper mould（1）On, the upper mould It is arranged on parallels（2）On, the parallels（2）It is arranged on workbench（3）On, the parallels（2）Two sides be provided with T-slot （15）, the T-slot（15）T-bolt, the lower mould are inside installed（14）Both sides are provided with screwed hole, the screwed hole and set The screw rod coordinated with screwed hole is equipped with, the screw rod connects pressing plate（5）One end, the pressing plate（5）Other end connecting T-shaped spiral shell Bolt, support frame as described above（4）On be provided with drive device, the parallels（2）It is connected with drive device.

2. a kind of bending machine tool quick die change device as claimed in claim 1, it is characterised in that：The drive device includes hand Wheel（6）, ball-screw（7）, push bracket（8）, guide rail（9）And bearing block（10）, the guide rail（9）And bearing block（10）Pass through screw thread It is fastened on support frame（4）, the bearing block（10）Upper installation ball-screw（7）, the ball-screw（7）One end, which is fixed, to be connected Catcher wheel（6）, the ball-screw（7）On be connected with and ball-screw（7）The mounting seat of cooperation（11）, the mounting seat（11） With push bracket（8）It is bolted, the guide rail（9）Support push bracket（8）Two ends, the push bracket（8）Pass through T-bolt and pad Iron（2）T-slot（15）Connection, the parallels（2）With ball-screw（7）Transmission move forward and backward.

3. a kind of bending machine tool quick die change device as claimed in claim 2, it is characterised in that：Support frame as described above（4）Including Rectangular square tube（12）And fixed plate（13）, the rectangular square tube（12）Lower end is provided with regulating bolt, the rectangular square tube（12） Along parallels（2）A movable face mounting plate（13）, the fixed plate（13）U-shaped opening is provided at both ends with, it is described U-shaped Opening passes through T-bolt and workbench（3）Connection.

4. a kind of bending machine tool quick die change device as claimed in claim 3, it is characterised in that：The parallels（2）Using resistance Damping material, the parallels（2）Lower end is provided with lubrication groove (16), the parallels（2）Location graduation is provided with upper surface.

5. a kind of bending machine tool quick die change device as claimed in claim 4, it is characterised in that：Support frame as described above（4）For two It is individual, and distribution is arranged on parallels（2）The left and right sides.

6. a kind of bending machine tool quick die change device as claimed in claim 1, it is characterised in that：The upper mould（1）Upper table Face is provided with V-groove, the lower mould（14）Lower end be arranged in V-groove.