CN216606767U - Up-down sliding device of numerical control bending machine - Google Patents

Abstract

The utility model provides an up-and-down sliding device of a numerical control bending machine. Numerical control bender upper and lower slider includes: the bending mechanism and the positioning mechanism are arranged on the U-shaped workbench; the mechanism of bending includes two support risers, roof, two pneumatic cylinders, installation diaphragm, goes up the mould, places board, bed die and two fixed subassemblies, two support the equal fixed mounting in the top of U-shaped workstation of riser, roof fixed mounting is at the top of two support risers, two the equal fixed mounting of pneumatic cylinder is in the bottom of roof, installation diaphragm fixed mounting is on the output shaft of two pneumatic cylinders, it installs the bottom at the installation diaphragm to go up mould fixed mounting. The up-and-down sliding device of the numerical control bending machine, provided by the utility model, has the advantages that the plate can be simply and effectively bent, the plate can be positioned, and the lower die can be adjusted according to the specification of the plate.

Description

Up and down sliding device of a CNC bending machine

technical field

The utility model belongs to the technical field of numerical control bending machines, in particular to an up and down sliding device of a numerical control bending machine.

Background technique

The CNC bending machine is a workpiece that uses the equipped mold (general or special mold) to bend the cold metal sheet into various geometric cross-sectional shapes. It is a sheet forming machine designed for cold-rolled sheet metal processing and is widely used. It is used for sheet metal bending processing in automobile, aircraft manufacturing, light industry, shipbuilding, container, elevator, railway vehicle and other industries. In the related art, a numerical control torsion axis hydraulic sheet metal bending machine is disclosed, and the technical scheme includes frame, installation The lower bending die on the working table at the front end of the frame, and the upper bending knife installed on the sliding plate at the front end of the frame, the sliding plate is driven to slide up and down by the oil cylinder installed on the frame, which is characterized by: The two ends of the slide plate are provided with stroke grooves, the main body of the oil cylinder is placed in the stroke groove, an adjustment screw is installed between the oil cylinder and the stroke groove, and the distance h between the adjustment screw and the stroke groove is h The sliding travel distance of the sliding plate is formed, and the adjusting screw is provided with a synchronous adjusting device, which can move up and down through the synchronous adjusting device, thereby realizing the adjustment of the sliding travel distance of the sliding plate.

However, the above structure still has the disadvantage that the device cannot position the plate when bending the plate, manual operation is prone to errors, and the lower die cannot be adjusted according to the specification of the plate.

Therefore, it is necessary to provide a new up and down sliding device for a CNC bending machine to solve the above technical problems.

Utility model content

The technical problem solved by the utility model is to provide a numerical control bending machine up and down sliding device which can simply and effectively perform bending processing on the plate, can position the plate, and adjust the lower die according to the specifications of the plate.

In order to solve the above-mentioned technical problems, the up and down sliding device of the numerical control bending machine provided by the utility model comprises: a U-shaped worktable, and a bending mechanism and a positioning mechanism are arranged on the U-shaped worktable;

The bending mechanism includes two supporting vertical plates, a top plate, two hydraulic cylinders, an installation horizontal plate, an upper die, a placing plate, a lower die and two fixing components, and the two supporting vertical plates are fixedly installed in the U-shaped. The top of the workbench, the top plate is fixedly installed on the top of the two supporting vertical plates, the two hydraulic cylinders are fixedly installed on the bottom of the top plate, and the horizontal installation plate is fixedly installed on the output shafts of the two hydraulic cylinders, The upper mold is fixedly installed on the bottom of the installation horizontal plate, the placing plate is fixedly installed on the top of the U-shaped workbench, and the lower mold is arranged above the placing plate;

The positioning mechanism includes four rectangular fixed blocks, two first threaded rods, a first drive motor, two idler pulleys, a timing belt, two internally threaded sliders, two connecting cross bars, and two strip-shaped support plates , two bar-shaped blocks, two rectangular baffles and two up and down sliding assemblies, the four rectangular fixing blocks are respectively fixed and installed on the inner walls of both sides of the U-shaped workbench, and the two first threaded rods are respectively It is rotatably installed on the corresponding two rectangular fixing blocks, the first drive motor is fixedly installed on the inner wall of one side of the U-shaped workbench, and the output shaft of the first drive motor is fixed with one end of the corresponding first threaded rod The two idler pulleys are respectively fixed on one end of the two first threaded rods, the synchronous belt is wound on the two idler pulleys, and the two inner threaded sliders are respectively threadedly sleeved on the two first threaded rods. On the threaded rod, the connecting cross rod is fixedly installed on the top of the two internally threaded sliders, the two strip-shaped support plates are fixedly installed on the top of the connecting cross rod, and the two strip-shaped stoppers are respectively arranged on the top of the connecting rod. Above the two strip-shaped support plates, the two rectangular baffles are respectively fixed and installed on one side outer wall of the two strip-shaped baffles.

As a further solution of the present invention, the fixing assembly includes two strip-shaped fixing blocks, two strip-shaped fixing plates and two second threaded rods, and the two strip-shaped fixing blocks are respectively fixed and installed on two sides of the placing plate. On the side outer wall, the two strip-shaped fixing plates are both slidably installed on the top of the placing plate, and the two second threaded rods are respectively rotated and installed on the outer wall of the side where the two strip-shaped fixing plates are away from each other. The second threaded rods respectively penetrate through the two bar-shaped fixing blocks and are respectively threadedly connected with the two bar-shaped fixing blocks.

As a further solution of the present invention, the upper and lower sliding components include an inner threaded sleeve, a third threaded rod and a second driving motor, the inner threaded sleeve is fixedly installed on the top of the strip-shaped support plate, and the third threaded The rod is threadedly installed in the inner threaded sleeve, the third threaded rod penetrates the bar-shaped block and is rotatably connected with the bar-shaped block, the second driving motor is fixedly installed on the top of the bar-shaped block, and the second The output shaft of the driving motor is fixedly connected with the top end of the third threaded rod.

As a further solution of the present invention, the top of the placing plate is provided with two strip-shaped grooves, and limit blocks are slidably installed in the two strip-shaped grooves, and the tops of the two limit blocks are respectively connected to the The bottom of the two strip-shaped fixing plates is fixedly connected.

As a further solution of the present invention, a guide rod is fixedly installed on the top of the strip-shaped support plate, and the guide rod penetrates the strip-shaped block and is slidably connected with the strip-shaped block.

As a further solution of the present invention, supporting sliding rods are fixedly installed on the corresponding two rectangular fixing blocks, and the two supporting sliding rods respectively pass through the two internally threaded sliding blocks and are connected to the two internal threaded sliding blocks respectively. Slide to connect.

Compared with the related art, the up and down sliding device of the numerical control bending machine provided by the present utility model has the following beneficial effects:

1. By setting the bending mechanism, the utility model can simply and effectively bend the plate, and can adjust the lower mold according to the specifications of the plate;

2. By setting the positioning mechanism, the utility model can simply and effectively position the plate, improve the bending processing accuracy, and can adjust the height of the rectangular baffle according to the plate specification.

Description of drawings

In order to facilitate the understanding of those skilled in the art, the present utility model will be further described below with reference to the accompanying drawings.

Fig. 1 is the front view sectional structure schematic diagram of the upper and lower sliding device of the numerical control bending machine of the utility model;

Fig. 2 is the side view sectional structure schematic diagram of the up and down sliding device of the numerical control bending machine of the utility model;

Fig. 3 is the enlarged structural representation of part A in Fig. 2;

Fig. 4 is the enlarged structural representation of part B in Fig. 2;

Fig. 5 is a top-view cross-sectional structural schematic diagram of the up and down sliding device of the numerical control bending machine of the present invention.

In the figure: 1. U-shaped table; 2. Support vertical plate; 3. Top plate; 4. Hydraulic cylinder; 5. Install horizontal plate; 6. Upper mold; 7. Place plate; 8. Lower mold; block; 10, the first threaded rod; 11, the first drive motor; 12, the idler; 13, the timing belt; 14, the internal thread slider; 15, the connecting cross bar; Block; 18, rectangular baffle; 19, bar-shaped fixing block; 20, bar-shaped fixing plate; 21, second threaded rod; 22, internal thread sleeve; 23, third threaded rod; 24, second drive motor .

Detailed ways

Please refer to FIG. 1 to FIG. 5 , wherein, FIG. 1 is a schematic front view sectional structure of the up and down sliding device of the numerical control bending machine of the present invention; FIG. 2 is a side view sectional structure of the up and down sliding device of the numerical control bending machine of the present invention. Schematic diagram; Fig. 3 is the enlarged structural schematic diagram of part A in Fig. 2; Fig. 4 is the enlarged structural schematic diagram of B part in Fig. 2; The up and down sliding device of the CNC bending machine includes: a U-shaped worktable 1, and a bending mechanism and a positioning mechanism are arranged on the U-shaped worktable 1;

The bending mechanism includes two supporting vertical plates 2, a top plate 3, two hydraulic cylinders 4, a mounting horizontal plate 5, an upper mold 6, a placing plate 7, a lower mold 8 and two fixed components. The plate 2 is fixedly installed on the top of the U-shaped workbench 1, the top plate 3 is fixedly installed on the top of the two supporting vertical plates 2, and the two hydraulic cylinders 4 are fixedly installed on the bottom of the top plate 3. The plate 5 is fixedly installed on the output shafts of the two hydraulic cylinders 4, the upper mold 6 is fixedly installed at the bottom of the installation horizontal plate 5, the placing plate 7 is fixedly installed on the top of the U-shaped table 1, and the lower mold 8 is arranged above the placement plate 7;

The positioning mechanism includes four rectangular fixing blocks 9 , two first threaded rods 10 , a first driving motor 11 , two idle pulleys 12 , a timing belt 13 , two internally threaded sliders 14 , and two connecting cross bars 15 , two strip-shaped support plates 16, two strip-shaped blocks 17, two rectangular baffles 18 and two up and down sliding assemblies, the four rectangular fixed blocks 9 are respectively fixed and installed on both sides of the U-shaped workbench 1 On the inner wall, the two first threaded rods 10 are respectively rotatably mounted on the corresponding two rectangular fixing blocks 9, and the first driving motor 11 is fixedly mounted on the inner wall of one side of the U-shaped workbench 1. The output shaft of a drive motor 11 is fixedly connected to one end of the corresponding first threaded rod 10 , the two idler pulleys 12 are fixedly installed on one end of the two first threaded rods 10 respectively, and the timing belt 13 is wound around the two On the idler pulley 12, the two internally threaded sliders 14 are respectively threaded on the two first threaded rods 10, and the connecting cross rods 15 are fixedly installed on the tops of the two internally threaded sliders 14. The strip-shaped support plates 16 are fixedly installed on the top of the connecting cross bar 15 , the two strip-shaped stoppers 17 are respectively arranged above the two strip-shaped support plates 16 , and the two rectangular baffles 18 are fixedly installed respectively. On one side outer wall of the two bar-shaped stops 17 .

As shown in FIG. 3 , the fixing assembly includes two strip-shaped fixing blocks 19 , two strip-shaped fixing plates 20 and two second threaded rods 21 , and the two strip-shaped fixing blocks 19 are respectively fixed and installed on the placing plate. 7, the two strip-shaped fixing plates 20 are slidably installed on the top of the placing plate 7, and the two second threaded rods 21 are respectively rotatably installed on one of the two strip-shaped fixing plates 20 away from each other. On the side outer wall, the two second threaded rods 21 respectively penetrate through the two bar-shaped fixing blocks 19 and are respectively threadedly connected with the two bar-shaped fixing blocks 19;

By arranging the fixing components, the lower mold 8 can be simply and effectively fixed, and the lower mold 8 can be easily adjusted.

As shown in FIG. 4 , the upper and lower sliding assembly includes an internally threaded sleeve 22, a third threaded rod 23 and a second driving motor 24. The internally threaded sleeve 22 is fixedly installed on the top of the strip-shaped support plate 16, and the The third threaded rod 23 is threadedly installed in the inner threaded sleeve 22, the third threaded rod 23 penetrates the bar-shaped block 17 and is rotatably connected with the bar-shaped block 17, and the second driving motor 24 is fixedly installed on the bar-shaped block 17. On the top of the block 17, the output shaft of the second drive motor 24 is fixedly connected to the top of the third threaded rod 23;

By setting up and down sliding assemblies, the height of the rectangular baffle plate 18 can be adjusted according to the specifications of the plate, thereby positioning the plate.

As shown in FIG. 3 , the top of the placing plate 7 is provided with two strip-shaped grooves, and limit blocks are slidably installed in the two strip-shaped grooves, and the tops of the two limit blocks are respectively connected to two The bottom of each strip-shaped fixing plate 20 is fixedly connected.

By arranging the strip-shaped groove and the limiting block, the two strip-shaped fixing plates 20 can be easily and effectively restricted, so that they can move smoothly.

As shown in FIG. 4 , a guide rod is fixedly installed on the top of the strip-shaped support plate 16 , and the guide rod penetrates the strip-shaped block 17 and is slidably connected with the strip-shaped block 17 ;

By arranging the guide rod, the bar-shaped block 17 can be simply and effectively restricted, thereby preventing the rod-shaped block 17 from rotating following the third threaded rod 23 .

As shown in FIG. 2 , support slide bars are fixedly installed on the corresponding two rectangular fixing blocks 9 , and the two support slide bars respectively pass through the two internally threaded sliders 14 and are connected to the respective two internally threaded sliders. 14 sliding connection;

By arranging two supporting sliding rods, the two internally threaded sliding blocks 14 can be supported simply and effectively, thereby reducing the weight borne by the two first threaded rods 10 .

The working principle of the up and down sliding device of the numerical control bending machine provided by the utility model is as follows:

The first step: when the sheet needs to be bent, the lower die 8 needs to be adjusted and rotated according to the specifications of the sheet, and the two second threaded rods 21 are rotated between the two strip-shaped fixing blocks 19. Under the action, move in the direction away from each other, the two second threaded rods 21 drive the two strip-shaped fixing plates 20 to move, and the lower mold 8 is rotated at this time, thereby completing the adjustment of the lower mold 8;

The second step: when the plate needs to be positioned, the second drive motor 24 is activated, the second drive motor 24 drives the third threaded rod 23 to rotate, and under the action of the inner threaded sleeve 22, drives the bar-shaped block 17 to move upward , the strip block 17 drives the rectangular baffle 18 to move upward, so that the rectangular baffle 18 is facing the plate. At this time, the first drive motor 11 is activated, and the first drive motor 11 drives the first threaded rod 10 to rotate, and the first threaded rod 10 The idler pulley 12 is driven to rotate. Under the action of the two idler pulleys 12 and the timing belt 13, the two first threaded rods 10 rotate synchronously, and the two first threaded rods 10 drive the two internally threaded sliders 14 to move, and the two A threaded rod 10 drives the connecting crossbar 15 to move, the connecting crossbar 15 drives the two strip-shaped support plates 16 to move, the two strip-shaped support plates 16 drive the two strip-shaped stoppers 17 to move, and the two strip-shaped stoppers 17 drive the movement The two rectangular baffles 18 are moved, and the two rectangular baffles 18 are moved to a suitable position, thereby positioning the plate;

The third step: at this time, the two hydraulic cylinders 4 are activated, the two hydraulic cylinders 4 drive the installation transverse plate 5 to move downward, and the installation transverse plate 5 drives the upper die 6 to move downward. Under the action of the upper die 6 and the lower die 8 , to complete the bending process of the sheet.

It should be noted that the equipment structure and accompanying drawings of the present utility model mainly describe the principle of the present utility model. In the technical aspect of the design principle, the settings of the power mechanism, power supply system and control system of the device are not completely described. On the premise that those skilled in the art understand the principle of the above utility model, they can clearly know the specifics of its power mechanism, power supply system and control system. The control method of the application document is automatically controlled by the controller, and the control circuit of the controller is controlled by Those skilled in the art can implement simple programming;

The standard parts used in it can be purchased from the market, and can be customized according to the descriptions in the instructions and drawings. The specific connection method of each part adopts the mature bolts, rivets, welding and other conventional means in the prior art. , machinery, parts and equipment all use conventional models in the prior art, and the structures and principles of components known to those skilled in the art are all known to those skilled in the art through technical manuals or through routine experimental methods.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , replacement and modification or direct or indirect application, in other related technical fields, the scope of the present invention is defined by the appended claims and their equivalents, and are similarly included in the scope of patent protection of the present invention.

Claims (6)

1. The utility model provides a numerical control bender up-and-down slider which characterized in that includes:

the bending mechanism and the positioning mechanism are arranged on the U-shaped workbench;

the bending mechanism comprises two supporting vertical plates, a top plate, two hydraulic cylinders, an installing transverse plate, an upper die, a placing plate, a lower die and two fixing components, wherein the two supporting vertical plates are fixedly arranged at the top of the U-shaped workbench;

the positioning mechanism comprises four rectangular fixed blocks, two first threaded rods, a first driving motor, two idler wheels, a synchronous belt, two internal threaded sliders, two connecting transverse rods, two strip-shaped supporting plates, two strip-shaped check blocks, two rectangular baffle plates and two up-down sliding components, the four rectangular fixed blocks are respectively and fixedly arranged on the inner walls of two sides of the U-shaped workbench, the two first threaded rods are respectively and rotatably arranged on the two corresponding rectangular fixed blocks, the first driving motor is fixedly arranged on the inner wall of one side of the U-shaped workbench, the output shaft of the first driving motor is fixedly connected with one end of the corresponding first threaded rod, the two idler wheels are respectively and fixedly arranged at one ends of the two first threaded rods, the synchronous belt is wound on the two idler wheels, and the two internal threaded sliders are respectively sleeved on the two first threaded rods in a threaded manner, the connecting cross rod is fixedly installed at the top of the two internal thread sliding blocks, the two strip-shaped supporting plates are fixedly installed at the top of the connecting cross rod, the two strip-shaped check blocks are arranged above the two strip-shaped supporting plates respectively, and the two rectangular baffle plates are fixedly installed on the outer wall of one side of the two strip-shaped check blocks respectively.

2. The up-and-down sliding device of the numerical control bending machine according to claim 1, characterized in that: the fixed subassembly includes two bar fixed blocks, two bar fixed plates and two second threaded rods, two the bar fixed block is fixed mounting respectively on the both sides outer wall of placing the board, two the equal slidable mounting of bar fixed plate is at the top of placing the board, two the second threaded rod rotates respectively to be installed on the one side outer wall that two bar fixed plates kept away from each other, two the second threaded rod runs through two bar fixed blocks respectively and respectively with two bar fixed block threaded connection.

3. The up-and-down sliding device of the numerical control bending machine according to claim 1, characterized in that: the upper and lower sliding assembly comprises an internal thread sleeve, a third threaded rod and a second driving motor, the internal thread sleeve is fixedly installed at the top of the bar-shaped supporting plate, the third threaded rod is installed in the internal thread sleeve in a threaded mode, the third threaded rod penetrates through the bar-shaped check block and is rotatably connected with the bar-shaped check block, the second driving motor is fixedly installed at the top of the bar-shaped check block, and an output shaft of the second driving motor is fixedly connected with the top end of the third threaded rod.

4. The up-and-down sliding device of the numerical control bending machine according to claim 2, characterized in that: two strip-shaped grooves are formed in the top of the placing plate, two limiting blocks are arranged in the strip-shaped grooves in a sliding mode, and the tops of the limiting blocks are fixedly connected with the bottoms of the two strip-shaped fixing plates respectively.

5. The up-and-down sliding device of the numerical control bending machine according to claim 3, characterized in that: the top fixed mounting of bar backup pad has the guide arm, the guide arm runs through bar dog and with bar dog sliding connection.

6. The up-and-down sliding device of the numerical control bending machine according to claim 1, characterized in that: corresponding two equal fixed mounting has the support slide bar on the rectangle fixed block, two the support slide bar runs through two internal thread sliders respectively and with two internal thread slider sliding connection respectively.

Images