CN210966475U - Integrated front and rear material blocking device and bending machine - Google Patents
Integrated front and rear material blocking device and bending machine Download PDFInfo
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- CN210966475U CN210966475U CN201921864964.5U CN201921864964U CN210966475U CN 210966475 U CN210966475 U CN 210966475U CN 201921864964 U CN201921864964 U CN 201921864964U CN 210966475 U CN210966475 U CN 210966475U
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Abstract
The utility model discloses a before integral type, back dam device and bender belongs to the bender field. The device comprises a front material blocking part, a rear material blocking part, a driving mechanism, a synchronizing shaft and a connecting plate, wherein a screw nut mechanism is arranged in the driving mechanism, the rear material blocking part is arranged on a nut of the screw nut mechanism, the connecting plate is fixedly arranged on the rear material blocking part, and a plurality of threaded holes are formed in the surface of the connecting plate in the vertical direction; one end of the synchronizing shaft is fixedly connected with the front baffle, the other end of the synchronizing shaft is provided with a through hole matched with the threaded hole, and the synchronizing shaft is fixedly connected to the connecting plate through bolts inserted into the through hole and the threaded hole. The mounting position of the front baffle can be flexibly adjusted, and the mounting flexibility and mounting precision are high. The bending machine comprises a frame, a bending device and the integrated front and rear material blocking devices, can be used for positioning bending of different workpieces, is accurate in positioning, and improves bending efficiency.
Description
Technical Field
The utility model belongs to the bender field, more specifically say, relate to a preceding, back dam device and bender.
Background
The bending machine is important equipment for bending and forming workpieces in the sheet metal industry and is used for pressing steel plates into parts in various shapes according to process requirements. The bending machine mainly comprises a frame consisting of a left upright post, a right upright post, a workbench and a cross beam, wherein a left oil cylinder and a right oil cylinder are fixed on the upright posts, a sliding block is connected with a piston of the oil cylinder and moves up and down along a guide rail fixed on the upright posts, a lower die is fixed on the workbench, an upper die is arranged at the lower end of the sliding block, a hydraulic system provides power, an electrical system gives instructions, and under the action of the oil cylinders, the sliding block drives the upper die to be closed.
In the existing bending machine, bending positioning of a workpiece is generally realized through a rear material blocking device, but the rear material blocking device is suitable for processing conventional workpieces, and accurate positioning is difficult to achieve through the rear material blocking device for some special workpieces with complex shapes or small sizes, so that the front material blocking device is required to be added to perform more accurate positioning on the workpieces with complex shapes or small sizes.
The Chinese patent application numbers are: CN201420628583.8, published date: 2015, 5/6, discloses a front and rear material blocking device of a bending machine, which comprises a rear blocking device, a front blocking device, a stroke mechanism, a lifting device and an optical axis, wherein one end of the optical axis is fixedly connected with the front blocking device through a front material blocking fixing seat, and the other end of the optical axis penetrates through a ball sliding seat arranged at the lower part of a machine body workbench and is finally fixedly connected with the optical axis fixing seat; the optical axis fixing seat is fixedly connected with a sliding block on the stroke mechanism, and the rear stop is fixedly connected with the sliding block. The utility model discloses a keep off two kinds of material modes of keeping off through unipolar control preceding, back, processing is more accurate, guarantees the butt joint equipment of later stage panel, improves work efficiency. However, as can be seen from the drawings of the specification of the scheme, the front blocking device of the scheme is installed on the stroke mechanism through the optical axis, and the optical axis fixing seat is directly fixedly connected with the sliding block through the bolt, so that the position of the front blocking device during installation is difficult to adjust, the installation precision is difficult to guarantee, and the installation is very troublesome because the installation hole on the sliding block is fixed in position and needs to be punched again for installation once deviation occurs in installation.
Disclosure of Invention
1. Problems to be solved
Comparatively troublesome problem of installation to the integral type preceding of current bender, back dam device, the utility model provides a dam device before the integral type, back dam device can adjust the mounted position of preceding dam in a flexible way when its preceding dam is installed with the back dam, and installation flexibility ratio and installation accuracy are high.
The utility model also provides a bender, adopt the location of bending of preceding, back dam device of above-mentioned integral type to the work piece, can satisfy the location of bending to different work pieces, fix a position accurately, improved the efficiency of bending.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
An integrated front and rear material blocking device comprises a front material blocking device, a rear material blocking device, a driving mechanism, a synchronizing shaft and a connecting plate, wherein a screw nut mechanism is arranged in the driving mechanism, the rear material blocking device is arranged on a nut of the screw nut mechanism, the connecting plate is fixedly arranged on the rear material blocking device, and the surface of the connecting plate is provided with a plurality of threaded holes along the vertical direction; one end of the synchronizing shaft is fixedly connected with the front baffle, the other end of the synchronizing shaft is provided with a through hole matched with the threaded hole, and the synchronizing shaft is fixedly connected to the connecting plate through bolts inserted into the through hole and the threaded hole.
As a further improvement of the technical scheme, the threaded holes are provided with two rows and are symmetrically arranged by taking the center of the connecting plate as a base point.
As a further improvement of the technical proposal, the device also comprises a positioning sleeve; two sliding grooves are formed in the surface of the connecting plate along the vertical direction, and the threaded holes are located in the sliding grooves; the locating sleeve is of a hollow structure, a sliding block clamped in the sliding groove is arranged at the position where the locating sleeve is connected with the connecting plate, and a through hole for a bolt to pass through is formed in the side face of the locating sleeve.
As a further improvement of the technical scheme, the positioning sleeve is of a cylindrical or rectangular structure.
As technical scheme's further improvement, preceding fender includes crossbeam, mounting panel and mounting, be equipped with on the mounting panel along the length direction of mounting panel remove keep off indicate and along a plurality of regulation screws that run through the mounting panel that the length direction of mounting panel arranged, the mounting is used for connecting crossbeam and mounting panel detachable and fixed.
As a further improvement of the technical scheme, the fixing piece comprises a through hole arranged on the mounting plate, a fixing screw hole arranged on the cross beam and a fixing bolt, and the cross beam is connected with the mounting plate through the fixing bolt penetrating through the through hole and the fixing screw hole.
As a further improvement of the technical scheme, the adjusting screw holes are provided with two rows which are symmetrically arranged along the center line of the wide edge of the connecting plate.
As a further improvement of the technical scheme, the driving mechanism further comprises a driving guide rail and a driving sliding block which are matched with each other, the driving guide rail is parallel to a lead screw of the lead screw nut mechanism, and the driving sliding block is fixedly connected with the rear material blocking part.
As a further improvement of the technical scheme, the two driving guide rails are symmetrically arranged on two sides of a lead screw of the lead screw nut mechanism.
The bending machine comprises a frame, a bending device, a rear material blocking device and a front material blocking device, wherein the bending device and the rear material blocking device are installed on the frame, and the front material blocking device and the rear material blocking device form the integrated front and rear material blocking devices.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model relates to an integral type is preceding, back dam device, the preceding dam device has been installed on the basis of the traditional bender backstop material additional, can satisfy the bending work piece of different shape size, and preceding dam device directly is connected with backstop material integral type through the synchronizing shaft, make preceding, backstop material can realize common motion through single actuating mechanism, the synchronism is high, the location is more accurate, can not mutual interference between the two, especially, set up the connecting plate that has a plurality of screw holes as the intermediate junction spare between preceding, backstop material, can conveniently adjust the mounted position of preceding dam material according to the bender of different grade type when making preceding dam material install on backstop material, installation effectiveness and installation accuracy greatly increase;
(2) the utility model relates to an integral type is preceding, back dam device is provided with two rows of symmetrical screw holes on the connecting plate, when the synchronizing shaft is installed on the connecting plate, only need with two screw hole fixed connection of same height, can guarantee that the working face that synchronizing shaft and back kept off the material is in parallel state to it is parallel to drive the working face that preceding fender kept off the material with the back, has improved the installation accuracy of preceding fender material;
(3) the utility model relates to an integral type front and back dam device, set up two spouts with screw hole on the connecting plate, equipped with the position sleeve with through-hole on the spout, when the synchronizing shaft is installed on the connecting plate, directly insert the synchronizing shaft into the position sleeve, insert the bolt in proper order into the screw hole of position sleeve through-hole, synchronizing shaft through-hole and connecting plate and fix, the simple to operate is swift;
(4) the utility model relates to an integral type is preceding, back dam device, set up the regulation screw that runs through the mounting panel on the surface of mounting panel along its length direction, current dam device causes its local height to appear the deviation because initial installation or long-term use or ground unevenness etc. when the working face of whole preceding fender is not parallel and level with the workstation of bender, can loosen mounting panel and crossbeam earlier, screw in the regulation screw of gyration again, adjust the length that this screw stretches out the mounting panel below and withstands the crossbeam, make the working face of preceding fender keep the state of parallel and level with the workstation of bender, then fix mounting panel and crossbeam together again, through this kind of mode, can adjust the local height of preceding fender, make the working face of preceding fender keep the parallel and level with the workstation of bender, improve the bending precision of bender;
(5) the utility model relates to a bender, adopt the location of bending of preceding, back dam device of above-mentioned integral type to the work piece, can satisfy the location of bending to different work pieces, fix a position accurately, simple to operate has improved the efficiency of bending.
Drawings
FIG. 1 is an isometric view of a bending machine;
FIG. 2 is a side view of a bending machine;
FIG. 3 is a schematic structural view of the front and rear material blocking members;
fig. 4 is a schematic structural view of a front stock stop;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a front view of the connection plate;
FIG. 7 is a bottom view of the web;
in the figure: 1. front material blocking; 11. a cross beam; 12. mounting a plate; 13. a blocking finger; 14. adjusting the screw hole; 15. fixing the bolt; 16. a finger blocking motor; 17. a gear; 18. a rack; 2. stopping the material at the back; 3. a drive mechanism; 31. a lead screw nut mechanism; 32. a drive rail; 4. a synchronizing shaft; 5. a connecting plate; 51. a threaded hole; 52. a chute; 6. a positioning sleeve; 61. a slider; 7. and a frame.
Detailed Description
The invention will be further described with reference to specific embodiments and drawings.
Example 1
As shown in fig. 3, an integral front and rear material blocking device is used for bending and positioning a workpiece to be bent when a bending machine works, and comprises a front material blocking 1, a rear material blocking 2, a driving mechanism 3 and a synchronizing shaft 4, wherein the front material blocking 1 and the rear material blocking 2 are connected together through the synchronizing shaft 4 and then driven by the driving mechanism 3 to move together, so that the workpiece is bent and positioned, and the structure and the working principle of the workpiece are described in detail below.
As shown in fig. 4, the front striker 1 includes a cross beam 11, a mounting plate 12, and a catch finger 13. Wherein, the mounting plate 12 is installed on the upper end surface of the beam 11, and the catch finger 13 is installed on the mounting plate 12 and can move along the length direction of the mounting plate 12. Specifically, as shown in fig. 5, the mounting plate 2 is provided with a finger blocking guide rail along the length direction thereof, the lower end of the finger blocking 13 is provided with a finger blocking slider matched with the finger blocking guide rail, and the finger blocking 13 is arranged on the finger blocking guide rail through the finger blocking slider. A finger blocking motor 16 fixedly connected with the finger blocking 13 is arranged on one side of the mounting plate 12, a gear 17 is arranged on an output shaft of the finger blocking motor 16, and a rack 18 matched with the gear 17 and extending along the length direction of the mounting plate 12 is arranged on the long side of the mounting plate 12 on the same side with the finger blocking motor 16. When the finger blocking motor 16 works, the output shaft of the finger blocking motor 16 rotates to enable the gear 17 to move on the rack 18, so that the finger blocking motor 16 is driven to move along the direction of the rack 18, and the finger blocking motor 16 drives the finger blocking 13 to move along the direction of the finger blocking guide rail, so that the bending positioning of a workpiece to be bent is realized.
As shown in fig. 3, the structure of the rear material blocking 2 is basically the same as that of the front material blocking 1, the front material blocking 1 is connected with the rear material blocking 2 through a synchronizing shaft 4, a support is respectively arranged below the front end and the rear end of a cross beam 11 of the front material blocking 1, and a connecting plate 5 is respectively arranged below the front end and the rear end of the cross beam of the rear material blocking 2. The two synchronizing shafts 4 extend along the width direction of the cross beam 11, one end of each synchronizing shaft is connected with a support below the front material blocking 1, and the other end of each synchronizing shaft is connected with the connecting plate 5. When adopting traditional mounting means like bolt, welding, hardly guarantee the precision that the material 1 was kept off to the front and is installed on the material 2 is kept off to the back, the working face that the material 1 was kept off to the front is hardly kept parallel with the working face that the material 2 was kept off to the positioning accuracy that keeps off the material 1 before influencing. Therefore, the present embodiment solves this problem by providing the connecting plate 5.
As shown in fig. 6 and 7, the connecting plate 5 is a rectangular parallelepiped structure, an upper end surface of the connecting plate is closely attached to a lower end surface of the beam of the back material stop 2, two sliding grooves 52 symmetrically arranged along a center line of a wide side of the connecting plate 5 are vertically arranged on a side surface with the largest area, a row of threaded holes 51 are arranged in each sliding groove 52 at equal intervals, and a section of the synchronizing shaft 4 connected with the connecting plate 5 is provided with through holes which are matched with the threaded holes 51 and penetrate through the synchronizing shaft 4. The side surface of the sliding groove 52 is provided with a positioning sleeve 6, and the positioning sleeve 6 is a hollow cylinder or hollow cuboid structure matched with the shape of the synchronizing shaft 4. Two pairs of through holes corresponding to the slide grooves 52 are formed in the side face of the positioning sleeve 6, and two bolts can respectively penetrate through the pair of through holes and then are screwed into the threaded holes 51 in the slide grooves 52. The two sides of the through hole at the side where the positioning sleeve 6 contacts the connecting plate 5 are respectively provided with a sliding block 61 which is matched with the sliding groove 52, the positioning sleeve 6 is installed in the sliding groove 52 through the sliding block 61, and the central axis of the positioning sleeve 6 is parallel to the width direction of the connecting plate 5.
During the installation, earlier with the pillar fixed connection of synchronizing shaft 4 and preceding fender material 1 and keep the central axis of synchronizing shaft 4 parallel with the width direction of crossbeam 11, then, insert synchronizing shaft 4 in position sleeve 6 and adjusting position, the working face that makes preceding fender material 1 and back fender material 2 is at same height, and the through-hole on synchronizing shaft 4, the through-hole on the position sleeve 6 and the screw hole in the spout 52 are on same straight line, fix through the bolt that inserts the through-hole of position sleeve 6 in proper order, the through-hole of synchronizing shaft 4 and the screw hole 51 of connecting plate 5 after that. Through this kind of mode, can guarantee that synchronizing shaft 4 is in the parallel state with the working face that keeps off material 2 behind, and then guarantee that the working face that keeps off material 1 and keep off material 2 behind is the parallel state, thereby can not take place the slope and influence the positioning accuracy that keeps off material 1 before.
The driving mechanism 3 comprises a screw nut mechanism 31 and a driving guide rail 32 which are arranged along the width direction of the beam of the rear material blocking 2, the beam of the rear material blocking 2 is fixedly connected with a nut of the screw nut mechanism 31, a driving slide block matched with the driving guide rail 32 is arranged on the beam, the screw nut mechanism 31 is driven by a motor, when the motor rotates, the nut moves along the screw rod, the rear material blocking 2 and the front material blocking 1 are driven to move, and the driving guide rail 32 and the driving slide block improve the direction accuracy of the movement of the rear material blocking 2. In this embodiment, the front end and the rear end of the beam of the rear material blocking 2 are respectively provided with one driving mechanism 3, each driving mechanism 3 is provided with two driving guide rails 32, and the driving guide rails are symmetrically arranged on two sides of the screw nut mechanism 31.
In addition, as shown in fig. 4 and 5, in this embodiment, a plurality of adjusting screw holes 13 penetrating through the mounting plate 12 are formed in the mounting plate 12 along the length direction of the mounting plate 12, when the local height of the front stop material 1 deviates, and the working surface of the whole front stop material is not flush with the workbench of the bending machine, the mounting plate 12 and the beam 11 may be loosened first, and then screws in the adjusting screw holes 14 are screwed, so as to adjust the length of the screws extending out of the lower part of the mounting plate 12 and prop against the beam 11, thereby adjusting the height of the mounting plate 12 at this position, so that the working surface of the front stop material 1 and the workbench of the bending machine keep a flush state, and then the mounting plate 12 and the beam 11 are fixed together. Through this kind of mode, can adjust the local height of material that keeps off before making, the working face of material that keeps off before making keeps the parallel and level with the workstation of bender, improves the bending precision of bender, keeps off on the basis of material 1's installation accuracy before guaranteeing, further prevents that the working face of material 1 that keeps off before and the workstation of bender from producing unparallel state, keeps off material 1's work precision before improving.
In order to prevent the screws in the adjusting screw holes 14 from loosening, the present embodiment is provided with a through hole on the mounting plate 12 around each adjusting screw hole 14, the connecting line of the through hole and the corresponding adjusting screw hole 14 is parallel to the width direction of the mounting plate 12, and correspondingly, a fixing screw hole corresponding to the through hole is provided at the opposite position of the cross beam 11. After the local height of the mounting plate 12 is adjusted by adjusting the screws in the screw holes 14, the mounting plate 12 and the cross beam 11 are fixed by the fixing bolts 15 inserted into the through holes and the fixing screw holes. And a through hole is arranged around each adjusting screw hole 14, so that the screws in the adjusting screw holes 14 can be effectively prevented from loosening, and the mounting plate 12 and the cross beam 11 are connected more firmly. The through-holes, the fixing screw holes and the fixing bolts 15 together constitute a fixing part of the cross beam 11 and the mounting plate 12.
To sum up, the integrated front and back stock stop of this embodiment, its front stock stop 1 can adjust the mounted position of front stock stop 1 with back stock stop 2 in a flexible way when installing, and installation flexibility ratio and installation accuracy are high, and its front stock stop 1 can conveniently install additional on traditional bender that only has the back stock stop through connecting plate 5, and the practicality is high.
Example 2
As shown in fig. 1 and 2, a bending machine comprises a frame 7, a bending device, a rear material blocking device and a front material blocking device, wherein the bending device and the rear material blocking device are both installed on the frame, the front material blocking device and the rear material blocking device form the integrated front and rear material blocking devices of the embodiment 1, the bending positioning of different workpieces can be met, the positioning is accurate, and the bending efficiency is improved.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a dam device before integral type, back, keeps off material (2) and actuating mechanism (3) including preceding fender material (1), back, be equipped with screw nut mechanism (31) in actuating mechanism (3), back keeps off material (2) and installs on the nut of screw nut mechanism (31), its characterized in that: the device also comprises a synchronous shaft (4) and a connecting plate (5); the connecting plate (5) is fixedly arranged on the rear material blocking plate (2), and a row of threaded holes (51) are formed in the surface of the connecting plate in the vertical direction; one end fixed connection of synchronizing shaft (4) is in the front and is kept off material (1), and the other end is equipped with the through-hole with screw hole (51) matched with, and synchronizing shaft (4) are through inserting the bolt fixed connection of through-hole and screw hole (51) on connecting plate (5).
2. The integrated front and rear material blocking device according to claim 1, wherein: the threaded holes (51) are arranged in two rows and are symmetrically arranged along the center line of the wide side of the connecting plate (5).
3. The integrated front and rear material blocking device according to claim 2, wherein: also comprises a positioning sleeve (6); two sliding grooves (52) are formed in the surface of the connecting plate (5) in the vertical direction, and the threaded holes (51) are located in the sliding grooves (52); the locating sleeve (6) is of a hollow structure, a sliding block (61) clamped in the sliding groove (52) is arranged at the position where the locating sleeve is connected with the connecting plate (5), and a through hole for a bolt to pass through is formed in the side face of the locating sleeve (6).
4. The integrated front and rear material blocking device according to claim 3, wherein: the positioning sleeve (6) is of a cylindrical or cuboid structure.
5. The integrated front and rear material blocking device according to claim 1, wherein: keep off material (1) including crossbeam (11), mounting panel (12) and mounting, be equipped with on mounting panel (12) keep off that the length direction along mounting panel (12) removed and indicate (13) and a plurality of regulation screw (14) that run through mounting panel (12) that arrange along the length direction of mounting panel (12), the mounting is used for connecting crossbeam (11) and mounting panel (12) detachable and fixed.
6. The integrated front and rear material blocking device according to claim 5, wherein: the fixing piece comprises a through hole arranged on the mounting plate (12), a fixing screw hole arranged on the cross beam (11) and a fixing bolt (15), wherein the cross beam (11) is connected with the mounting plate (12) through the fixing bolt (15) penetrating through the through hole and the fixing screw hole.
7. The integrated front and rear material blocking device according to claim 6, wherein: the adjusting screw holes (14) are provided with two rows which are symmetrically arranged along the length direction of the mounting plate (12).
8. An integrated front and rear striker device according to any one of claims 1 to 7, characterized in that: the driving mechanism (3) further comprises a driving guide rail (32) and a driving sliding block which are matched with each other, the driving guide rail (32) is parallel to a lead screw of the lead screw nut mechanism (31), and the driving sliding block is fixedly connected with the rear material blocking part (2).
9. The integrated front and rear material blocking device according to claim 8, wherein: the two driving guide rails (32) are symmetrically arranged on two sides of a lead screw of the lead screw nut mechanism (31).
10. The utility model provides a bending machine, includes frame (7), bending device, back dam device and preceding dam device, bending device and back dam device install on frame (7), its characterized in that: the front material blocking device and the rear material blocking device form an integrated front material blocking device and an integrated rear material blocking device in claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864964.5U CN210966475U (en) | 2019-10-31 | 2019-10-31 | Integrated front and rear material blocking device and bending machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921864964.5U CN210966475U (en) | 2019-10-31 | 2019-10-31 | Integrated front and rear material blocking device and bending machine |
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| CN210966475U true CN210966475U (en) | 2020-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751541A (en) * | 2021-09-30 | 2021-12-07 | 安徽省亚威机床制造有限公司 | Device for eliminating abrasion of bending angle bulge of medium-thick plate material for bending machine and implementation method thereof |
-
2019
- 2019-10-31 CN CN201921864964.5U patent/CN210966475U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751541A (en) * | 2021-09-30 | 2021-12-07 | 安徽省亚威机床制造有限公司 | Device for eliminating abrasion of bending angle bulge of medium-thick plate material for bending machine and implementation method thereof |
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