CN107470401B - Manual locking assembly, stop device and bending machine - Google Patents
Manual locking assembly, stop device and bending machine Download PDFInfo
- Publication number
- CN107470401B CN107470401B CN201710815728.3A CN201710815728A CN107470401B CN 107470401 B CN107470401 B CN 107470401B CN 201710815728 A CN201710815728 A CN 201710815728A CN 107470401 B CN107470401 B CN 107470401B
- Authority
- CN
- China
- Prior art keywords
- hole
- block
- locking assembly
- sliding
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005452 bending Methods 0.000 title claims description 28
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 16
- 239000007779 soft material Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
A manual locking assembly for installation in a threaded hole of a workpiece for locking and positioning, comprising: the locking block comprises a main body part and a contact part with an inclined surface, wherein the contact part is arranged below the main body part, and the main body part is provided with an oblong through hole; the lower pressing block is provided with a round through hole matched with the oblong through hole, and the lower part of the lower pressing block is provided with a lower pressing inclined surface matched with the inclined surface of the contact part; and the locking handle comprises a handle for grasping and a screw rod connected with the handle, the screw rod is used for assembling the locking block and the lower pressing block through the long circular through hole, the circular through hole and the threaded hole, and when the locking handle is rotated to press the lower pressing inclined surface to the inclined surface of the contact part, the locking block slides along the circular through hole to contact with the workpiece so that the workpiece is locked and positioned.
Description
Technical Field
The invention relates to a stop mechanism for a bending machine, which has a positioning function and belongs to the field of plate processing machinery.
Background
When bending operation is performed by the bending machine, the plate to be bent is inevitably deformed when being pressed, and the size or the shape of the plate to be bent is changed as a result, so that in order to correct the deformation and prevent the generation of excessive deformation, a special mechanism is required to be designed for reference positioning and inhibit the excessive deformation.
The rear stop mechanism, namely the stop mechanism, of the bending machine is an important working mechanism of the bending machine, and aims to position and inhibit excessive deformation of the plate material as much as possible during bending.
The stop mechanism is usually arranged on a guide rail of a rear beam of the bending machine according to different shapes and sizes of bending workpieces, and then is slidably adjusted to a proper position according to the situation, so that the rear beam is fixed.
In order to realize that the stop mechanism can be fixed in the preset position of the sliding rail, in practice, a worker often uses a set screw with a rotary handle to fix, and although the fixed positioning can be realized, the fixed positioning has the defects of inconvenient operation and low positioning speed, the action of the screw and the sliding rail is point action during positioning, the positioning acting force is small, the positioning is unstable, the sliding rail is easy to shift due to vibration, and the surface of the sliding rail is damaged by excessive pressing force.
Disclosure of Invention
The invention aims to solve the problems, and aims to provide a manual locking assembly, a stopping device with the manual locking assembly and a bending machine, which solve the problems of low positioning operation speed and unstable positioning of the conventional stopping mechanism.
A manual locking assembly for installation in a threaded hole of a workpiece for locking and positioning, comprising: the locking block comprises a main body part and a contact part with an inclined surface, wherein the contact part is arranged below the main body part, and the main body part is provided with an oblong through hole; the lower pressing block is provided with a round through hole matched with the oblong through hole, and the lower part of the lower pressing block is provided with a lower pressing inclined surface matched with the inclined surface of the contact part; and the locking handle comprises a handle for grasping and a screw rod connected with the handle, the screw rod is used for assembling the locking block and the lower pressing block through the long circular through hole, the circular through hole and the threaded hole, and when the locking handle is rotated to press the lower pressing inclined surface to the inclined surface of the contact part, the locking block slides along the circular through hole to contact with the workpiece so that the workpiece is locked and positioned.
The manual locking assembly provided by the invention can also have the following characteristics: the main body part is a rectangular block, the contact part is a right trapezoid block, the bevel edge surface of the right trapezoid block is an inclined surface, and the bottom surface of the main body part is flush with the bottom surface of the contact part.
The manual locking assembly provided by the invention can also have the following characteristics: wherein, the bottom surface of contact portion is provided with the constant head tank.
The manual locking assembly provided by the invention can also have the characteristics that the manual locking assembly further comprises: and the gasket is arranged below the top surface of the positioning groove.
The manual locking assembly provided by the invention can also have the following characteristics: wherein, the gasket is soft material gasket, adheres to on the top surface of constant head tank.
The manual locking assembly provided by the invention can also have the following characteristics: wherein, the one side of briquetting orientation main part down is provided with the lock groove for with the locking piece lock location.
The manual locking assembly provided by the invention can also have the following characteristics: wherein the inclined plane of the contact part and the bottom surface of the contact part have an included angle of 20-45 degrees.
The manual locking assembly provided by the invention can also have the following characteristics: wherein the locking blocks and the lower pressing blocks are all aluminum blocks
The invention also provides a stop device for slidable mounting on a slide rail provided on a rear cross beam of a bending machine, characterized by comprising: the bracket is used for being slidably connected with a sliding rail arranged on the bending machine; the sliding seat is fixedly arranged on the bracket and is provided with a sliding groove perpendicular to the extending direction of the sliding rail; a sliding plate slidably installed in the sliding groove in match with the sliding groove; the front-back adjusting component is arranged at one end of the sliding seat and used for adjusting the front-back position of the sliding plate in the sliding groove; one end of the blocking arm is rotatably connected with the other end of the sliding plate, and the other end of the blocking arm is a free end for contacting the plate to be bent to position; and the manual locking assembly is arranged on the sliding seat or the bracket and used for fixedly positioning the sliding seat or the bracket at a certain position of the sliding rail, wherein the manual locking assembly is the manual locking assembly.
The invention also provides a bending machine provided with the stop device, which is characterized in that: the stop device is the stop device, and a bracket of the stop device and a sliding rail arranged on the bending machine are slidably arranged together.
Effects and effects of the invention
According to the manual locking assembly, since the locking block, the lower pressing block and the locking handle are provided, when the manual locking assembly is in use, the inclined surface of the upper contact part of the locking block and the pressing inclined surface of the lower pressing block are gradually engaged with each other along with the rotation of the locking handle, the locking block slides along the circular through hole to be in contact with the sliding rail, and the pressing force is applied to enable the blocking device to be locked and positioned at the preset position of the sliding rail.
Drawings
Fig. 1 is a schematic view of a bending machine according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the stop device mounted on the cross beam without the manual locking assembly in an embodiment of the invention; and
fig. 3 is a schematic view of a manual locking assembly locking with a slide rail in an embodiment of the invention.
Detailed Description
In order to make the technical means, creation features, achievement of objects and effects of the present invention easy to understand, the following embodiments specifically describe the blocking mechanism and bending machine of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic view of a bending machine according to an embodiment of the present invention.
As shown in fig. 1, bending machine 1000 of the present embodiment has four finger blocking mechanisms 100, and four finger blocking mechanisms 100 are mounted on a slide rail b provided on a bending machine beam a at the rear, and can slide along the slide rail.
FIG. 2 is a schematic view of the structure of the stop device mounted on the cross beam without the manual locking assembly in an embodiment of the invention.
Fig. 3 is a schematic view of a manual locking assembly locking with a slide rail in an embodiment of the invention.
As shown in fig. 2, in this embodiment, the bending machine 1000 has 4 finger blocking mechanisms that are identical, and in this embodiment, one of them is taken as an example, and a specific structure of the finger blocking mechanism 100 is described in detail.
The finger blocking mechanism 100 includes a bracket 10, a slide base 20, a slide plate 30, a slide plate fixing assembly 40, a front-rear adjustment assembly 50, a blocking arm 60, and a manual locking assembly 70.
The bracket 10 is a rectangular block, the bottom is provided with a through groove matched with the sliding rail b, the upper part is provided with an installation groove for the sliding seat 20 to be clamped, the direction of the installation groove is vertical to the sliding rail b, and the bottom through groove of the bracket 10 is arranged on the sliding rail b and can slide along the sliding rail b.
The sliding seat 20 is fixedly connected with the upper part of the bracket 10 by attaching bolts, and the upper part is provided with a sliding groove 21 perpendicular to the extending direction of the sliding rail. The slide groove 21 is provided with two fixing bolts 22, and a line segment formed by connecting the two fixing bolts 22 is parallel to the extending direction of the slide groove 21.
The slide plate 30 is slidably fitted in the slide groove 21 in cooperation with the slide groove 21. The sliding plate 30 is a rectangular plate, and is provided with two oblong through grooves 31 matched with the fixing bolts 22 and a collineation threaded hole 32 positioned between the two oblong through grooves 31, and a protruding plate 33 is arranged at the front end flush with the bottom surface. The two oblong through grooves 31 and the screw holes 32 are provided in a direction parallel to the sliding direction of the sliding groove 21.
The two oblong through grooves 31 pass through the two fixing bolts 22, and the sliding plate 30 slides in the oblong through grooves 31 and the sliding grooves 21 under the action of the fixing bolts 22 on the sliding grooves 21, so that the sliding distance of the sliding plate 30 is limited to the length of the oblong through grooves 31.
The slide plate fixing assembly 40 includes a screw 41 and a screw sleeve 42, which is fitted into the countersunk threaded hole 32 for fixing the position of the slide plate.
The front and rear adjusting assembly 50, installed at the front end of the sliding seat 20, for adjusting the front and rear positions of the sliding plate 30 in the sliding groove 21, includes:
the fixed block 51 is fixed to the front end of the slide base 20 by a bolt, and has a female screw through hole 511 penetrating therethrough.
An adjusting screw 52, the tail end of which has an external thread, is installed in the internal thread through hole 511.
The adjusting knob 53 is sleeved at the head end of the adjusting screw 52 and is used for rotating the length of the adjusting screw 52 extending out of the internal thread through hole 511, and length scales are marked on the adjusting knob and used for indicating the extending length of the adjusting screw 52.
The top end of the adjusting screw 53 protruding from the internally threaded through hole 511 is in contact with the hole of the distal end of the slide plate 30 for directly pushing the slide plate 30 to slide along the slide groove 21.
One end of the blocking arm 60 is hinged with the other end of the sliding plate 30, and the other end is a free end for contacting the plate to be bent to position.
The manual locking assembly 70 includes a locking block 71, a pressing down block 72, a locking handle 73, and a soft material pad (not shown).
The locking block 71 comprises a rectangular main body 711 and a right trapezoid contact 712 with an inclined plane, wherein the contact 712 is arranged below the main body, the inclined plane of the right trapezoid is the inclined plane, the center of the main body 711 is provided with an oblong through hole, the bottom surface of the right-angle side of the main body is flush with the bottom surface of the contact, as shown in fig. 3, the bottom surface of the contact 712 is provided with a positioning groove 712a, the inclined plane and the bottom surface of the contact 712 have an included angle of 45 degrees, and the included angle can also have other values of 20-45 degrees.
The pressing block 72 has a circular through hole with an inner diameter equal to the width of the oblong through hole, and a pressing inclined surface matched with the inclined surface of the contact part is arranged at the lower part, and in the embodiment, the pressing inclined surface is formed by a rectangular block wedge, the inclined angle of the pressing inclined surface is 45 degrees, and is just matched with the inclined surface of the locking block 71, and as shown in fig. 3, a buckling groove is formed on one surface of the pressing block 72 facing the main body 711 and is used for buckling and positioning with the locking block 71.
A locking handle 73 comprising a handle for grasping and a screw connected to the handle for assembling the locking block 71 and the lower pressing block 72 through the long circular through hole, the circular through hole and the screw hole, and the free end of the screw is screwed into the sliding seat 20 to be fixed
A pad of soft material (not shown) is adhered to the top surface of the positioning groove 712 a.
In this embodiment, the lock block 71 and the lower press block 72 are aluminum blocks.
Application method and principle
When not in use, the blocking arm 60 is in a lifted position, and when the material with bending is placed on the lower die of the bending machine, the plate material can deform during bending.
According to the pre-planned numerical value of the length to be bent, the position of the cross beam on the bending machine is firstly roughly adjusted to a proper position, and then the blocking arm 60 is put down, so that the front end is just contacted with the edge of the plate, and the position at the moment is the proper position.
The locking handle 73 is rotated so that the pressing inclined surface is pressed toward the inclined surface of the contact portion, the locking block slides along the circular through hole to be in contact with the workpiece, and the sliding seat 20 is locked and positioned on the slide rail so as not to be movable due to the pressing of the soft material pad by direct contact with the slide rail.
Effects and effects of the examples
According to the manual locking assembly, since the locking block, the lower pressing block and the locking handle are provided, when the manual locking assembly is in use, the inclined surface of the upper contact part of the locking block and the pressing inclined surface of the lower pressing block are gradually engaged with each other along with the rotation of the locking handle, the locking block slides along the circular through hole to be in contact with the sliding rail, and the pressing force is applied to enable the blocking device to be locked and positioned at the preset position of the sliding rail.
Further, because the bottom surface of locking piece is provided with the constant head tank, can carry out the block location with the slide rail, so in the slip in-process, be difficult for appearing walking position and crooked, similarly, be provided with the block groove on the briquetting down and can with the accurate cohesion and the location of locking piece, the installation of being convenient for.
Further, due to the soft gasket, the soft gasket can not directly act on the surface of the slide rail during pressing, and the surface of the slide rail can not be scratched.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (8)
1. A manual locking assembly for installation in a threaded hole of a workpiece for locking and positioning, comprising:
a locking block including a main body portion having an oblong through hole, a contact portion having an inclined surface provided below the main body portion;
a pressing block provided with a circular through hole matched with the oblong through hole, and a pressing inclined surface matched with the inclined surface of the contact part is arranged at the lower part of the pressing block; and
a locking handle comprising a handle for grasping and a screw rod connected with the handle, wherein the screw rod is used for assembling the locking block and the pressing block through the oblong through hole, the round through hole and the threaded hole,
when the locking handle is rotated to press the downward inclined surface to the inclined surface of the contact part, the locking block slides along the circular through hole to contact with the workpiece so that the workpiece is locked and positioned,
a buckling groove is arranged on one surface of the lower pressing block facing the main body part and is used for buckling and positioning with the locking block,
the inclined plane of the contact part and the bottom surface of the contact part form an included angle of 20-45 degrees.
2. The manual locking assembly of claim 1, wherein:
wherein the main body part is a rectangular block,
the contact part is a right trapezoid block, the bevel edge surface of the right trapezoid block is the bevel surface,
the bottom surface of the main body portion is flush with the bottom surface of the contact portion.
3. The manual locking assembly of claim 2, wherein:
wherein, the bottom surface of contact portion is provided with the constant head tank.
4. A manual locking assembly as defined in claim 3 further comprising:
and the gasket is arranged below the top surface of the positioning groove.
5. The manual locking assembly of claim 4, wherein:
wherein the gasket is a soft material gasket and is adhered to the top surface of the positioning groove.
6. The manual locking assembly of claim 1 or 2, wherein:
wherein, the locking block and the lower pressing block are both aluminum blocks.
7. The stop device for slidable mounting is on the slide rail that sets up on the rear portion crossbeam of bender, its characterized in that includes:
the bracket is used for being slidably connected with a sliding rail arranged on the bending machine;
the sliding seat is fixedly arranged on the bracket and is provided with a sliding groove perpendicular to the extending direction of the sliding rail;
a sliding plate slidably installed in the sliding groove in match with the sliding groove;
the front-back adjusting component is arranged at one end of the sliding seat and used for adjusting the front-back position of the sliding plate in the sliding groove;
one end of the blocking arm is rotatably connected with the other end of the sliding plate, and the other end of the blocking arm is a free end for contacting the plate to be bent to position; and
a manual locking assembly mounted on the sliding seat or bracket for fixedly positioning the sliding seat or bracket at a position of the slide rail,
wherein the manual locking assembly is the manual locking assembly of any one of claims 1-6.
8. A bending machine provided with a stop device, which is characterized in that:
wherein the stopping device is the stopping device of claim 7,
the bracket of the stopping device and the sliding rail arranged on the bending machine are slidably arranged together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710815728.3A CN107470401B (en) | 2017-09-12 | 2017-09-12 | Manual locking assembly, stop device and bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710815728.3A CN107470401B (en) | 2017-09-12 | 2017-09-12 | Manual locking assembly, stop device and bending machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107470401A CN107470401A (en) | 2017-12-15 |
| CN107470401B true CN107470401B (en) | 2024-03-12 |
Family
ID=60584171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710815728.3A Active CN107470401B (en) | 2017-09-12 | 2017-09-12 | Manual locking assembly, stop device and bending machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107470401B (en) |
Citations (18)
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| Publication number | Publication date |
|---|---|
| CN107470401A (en) | 2017-12-15 |
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