CN213591477U - Positioning and pressing assembly for stretch bending of section bar - Google Patents
Positioning and pressing assembly for stretch bending of section bar Download PDFInfo
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- CN213591477U CN213591477U CN202022441602.4U CN202022441602U CN213591477U CN 213591477 U CN213591477 U CN 213591477U CN 202022441602 U CN202022441602 U CN 202022441602U CN 213591477 U CN213591477 U CN 213591477U
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Abstract
The utility model provides a positioning and pressing component for stretch bending of sectional materials, which comprises a base, a pressing and pressing mechanism for longitudinally positioning the sectional materials and a horizontal positioning mechanism for horizontally positioning the sectional materials; the downward pressing mechanism comprises a mold core, a lower cover plate, an upper cover plate for pressing the section bar and a driving unit for driving the upper cover plate to lift and press downward; the mold core is adjustably connected with the base, the mold core is detachably connected with the base, and the lower cover plate is connected with the mold core; the driving unit is arranged on the mold core, one side of the upper cover plate is hinged with the mold core, and the other side of the upper cover plate is hinged with the driving end of the driving device; the horizontal direction positioning mechanism comprises a front buckle device and a rear support device; the rear support device is arranged on the base; the front buckle device comprises a front buckle driving part and a front buckle positioning part, and the front buckle driving part is arranged on the base and is connected with the front buckle positioning part. The utility model discloses can advance line location to the section bar comprehensively to guarantee the stretch bending quality of section bar.
Description
Technical Field
The utility model relates to a section bar stretch bending processing technology field, more specifically say, relate to a location compresses tightly subassembly for section bar stretch bending.
Background
The stretch bending refers to a profile bending process for applying tangential tension to a workpiece while bending the workpiece to change the stress state in the cross section of the workpiece, and has the following process characteristics relative to other bending processes: the forming die is used for forming section parts with complex space structures and section bending parts with large forming yield ratio, and has the comprehensive forming characteristic of combining different process methods; the bending precision is high, and the resilience is small; has the characteristic of flexible manufacturing. The profile is usually used for forming various large-scale, complex-section, asymmetric and variable-curvature three-dimensional profile parts, and is widely applied to the manufacturing industries of aerospace, automobiles, buildings, bridges, elevators, trains and the like.
The stretch bender clamps two ends of the processing section bar through a clamping head and stretches and bends the processing section bar to the same side. In the whole section bar stretch bending process, the positioning of the section bar is very important. Because the section bar contains plastic deformation and elastic deformation in the stretch bending process, the section bar can show certain rebound property after the bending is finished, and therefore when the angle of the section bar along with the bending changes continuously, the section bar needs to be positioned through a section bar longitudinal positioning mechanism and a section bar horizontal positioning mechanism, the verticality in the longitudinal direction and the horizontal direction in the stretch bending process of the section bar is ensured, and the stretch bending quality of the section bar is prevented from being influenced. The existing section positioning mechanism not only makes the positioning platform structure of the section complicated, but also is difficult to achieve a good positioning effect, and greatly influences the stretch bending quality of the section.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome shortcoming and not enough among the prior art, provide a location for section bar stretch bending and compress tightly the subassembly, this location compresses tightly subassembly simple structure and practicality are strong, can advance line location to the section bar comprehensively to guarantee the stretch bending quality of section bar.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a location compresses tightly subassembly for section bar stretch bending which characterized in that: the pressing mechanism is used for longitudinally positioning the section bar and the horizontal positioning mechanism is used for horizontally positioning the section bar; the downward pressing mechanism comprises a mold core, a lower cover plate, an upper cover plate for pressing the section bar and a driving unit for driving the upper cover plate to lift and press downward; the mold core is adjustably connected with the base, the mold core is detachably connected with the base, and the lower cover plate is connected with the mold core; the driving unit is arranged on the mold core, one side of the upper cover plate is hinged with the mold core, and the other side of the upper cover plate is hinged with the driving end of the driving unit; when the device works, the driving unit drives the upper cover plate to press downwards to compress and position the sectional material placed on the lower cover plate, or the driving unit drives the upper cover plate to lift up to unload or discharge the sectional material;
the horizontal positioning mechanism comprises a front buckling device and a rear supporting device for carrying out rear supporting on the pressing mechanism; the rear support device is arranged on the base; the front buckling device comprises a front buckling driving part and a front buckling positioning part, the front buckling driving part is arranged on the base and is connected with the front buckling positioning part, the front buckling driving part drives the front buckling positioning part to move, so that the section positioned on the pressing mechanism is positioned in the horizontal direction, or the front buckling driving part drives the front buckling positioning part to reset.
In the above scheme, the utility model discloses a hold-down mechanism vertically compresses tightly the location to the section bar down, and preceding detain drive unit can drive preceding detain the mode that the locating part pulled back in the past and paste tightly to being fixed in the section bar that holds down on the hold-down mechanism, realizes the location of section bar horizontal direction, and this kind of adoption not only can realize the firm location of section bar to the locate mode of detaining before the section bar, can simplify the location structure of section bar moreover. In addition, the rear support device can support the pressing mechanism to prevent the pressing mechanism from turning backwards in the section bending process, and the matching degree of the horizontal positioning mechanism and the pressing mechanism to the section positioning can be improved, so that the bending quality of the section is ensured. The utility model discloses hold-down mechanism pushes down is modular structure, and its part all sets up on the mold core to through the mold core with the base is adjustable and can dismantle be connected, can be convenient for push down hold-down mechanism's installation like this, dismantle or the maintenance.
The driving unit comprises a pressing driving device and a pressing driving device mounting seat, and the pressing driving device mounting seat is arranged on the mold core; and the downward pressing driving device is hinged with the downward pressing driving device mounting seat.
The driving unit further comprises a joint and an upper cover plate mounting seat; the joint is connected with the driving end of the downward pressing driving device; the upper cover plate mounting seat is connected with the upper cover plate and hinged to the joint.
One side of the upper cover plate is hinged with the mold core, namely: the pressing mechanism also comprises an upper cover plate connecting block and an upper cover plate support; the upper cover plate support is arranged on the mold core, one end of the upper cover plate connecting block is hinged to the upper cover plate support, and the other end of the upper cover plate connecting block is connected with the upper cover plate.
The adjustable connection of the mold core and the base is as follows: the connecting device is arranged on the base and comprises a stud and a first locking nut; the stud is adjustably connected with the mold core and is fixed through the first locking nut.
The connecting device further comprises a second locking nut; the stud is fixed on the base through a second locking nut.
The rear support device comprises a rear support block and a flat key; the rear supporting block is connected with the base through a flat key and is arranged opposite to the connecting device.
The front buckle positioning part comprises a front buckle plate and a sliding seat; the driving end of the front buckle driving part penetrates through the bottom of the mold core and is connected with one side of the sliding seat; the front buckle plate is arranged on the other side of the sliding seat.
The front buckle driving part also comprises a sliding block and a linear guide rail; the linear guide rail is arranged on the base, and the sliding block is arranged at the bottom of the sliding seat and is in sliding connection with the linear guide rail.
The base comprises a seat plate, an end plate and a plurality of bearing plates; the seat plate is connected with the end plate through a bearing plate; a plurality of bearing plates are arranged between the seat plate and the end plate. The utility model discloses base structure's design accessible bearing plate guarantees structural strength, can reach the effect of weight reduction moreover.
In the using process, the pressing mechanism is adjustably arranged on the base through the connecting device and is positioned above the connecting part of the front buckle driving part and the sliding seat. After the pressing mechanism is pressed down to position the section bar, the front buckle driving component drives the sliding seat to move towards the direction of the section bar on the base, namely, the section bar fixed on the pressing mechanism is tightly adhered through the front buckle plate in the mode of back pulling, so that the horizontal direction of the section bar is positioned. In the section bar stretch bending process, the rear supporting block supports the pressing mechanism to prevent the pressing mechanism from turning over backwards in the section bar stretch bending process, and the matching degree of the horizontal positioning mechanism and the pressing mechanism to the section bar positioning can be improved, so that the stretch bending quality of the section bar is ensured.
The utility model discloses a push down drive arrangement and push down the drive arrangement mount pad and articulate, the upper cover plate is articulated with the mold core, and the upper cover plate is articulated with the drive end that pushes down drive arrangement, make this hold-down mechanism that pushes down have three freely movable joint, can improve the flexibility and the commonality that push down hold-down mechanism, this hold-down mechanism that pushes down is not limited to and presses the location for planar section bar to the terminal surface, applicable in carries out the location of longitudinal direction to the section bar of various terminal surfaces, with the straightness that hangs down of assurance section bar stretch bending process, thereby guarantee the stretch bending quality of section bar. Additionally, the utility model discloses a push down drive arrangement drive upper cover plate and lift up and push down, the feeding and the ejection of compact of section bar of can being convenient for.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect: the utility model is used for the location of section bar stretch bending compresses tightly the subassembly, and this location compresses tightly subassembly simple structure and practicality are strong, can advance fully fixed a position the section bar to guarantee the stretch bending quality of section bar.
Drawings
Fig. 1 is a schematic view of the positioning and compressing assembly of the present invention;
fig. 2 is a schematic view of a pressing mechanism in the positioning and pressing assembly of the present invention;
fig. 3 is a schematic view of the pressing mechanism pressing the profile in the positioning pressing assembly of the present invention;
fig. 4 is a first schematic diagram of the pressing mechanism of the present invention to remove the mold core and the lower cover plate;
FIG. 5 is a second schematic view of the pressing mechanism of the present invention removing the mold core and the lower cover plate;
fig. 6 is a schematic view of a horizontal positioning mechanism and a connecting device in the positioning and compressing assembly of the present invention;
fig. 7 is a schematic view of the horizontal positioning mechanism of the present invention;
wherein, 1 is a base, 1.1 is a seat plate, 1.2 is an end plate, 1.3 is a bearing plate, 2 is a pressing mechanism, 2.1 is a mold core, 2.2 is a lower cover plate, 2.3 is a positioning space, 2.4 is an upper cover plate, 2.5 is a pressing oil cylinder, 2.6 is a pressing oil cylinder mounting seat, 2.7 is a hinge shaft I, 2.8 is a joint, 2.9 is an upper cover plate mounting seat, 2.10 is a hinge shaft II, 2.11 is a locking nut I, 2.12 is an upper cover plate connecting block, 2.13 is a hinge shaft III, 2.14 is a locking nut II, 2.15 is an upper cover plate support, 3 is a section bar, 4 is a horizontal direction positioning mechanism, 4.2 is a front buckling pressing oil cylinder, 4.3 is a nylon plate, 4.4 is a sliding seat, 4.5 is a connecting head, 4.6 is a clamping plate, 4.7 is a sliding block, 4.8 is a sliding block, 4.9 is a linear rear supporting rail, 4.11.12.5 is a flat bolt, and 1.5 is a locking device, 5.5 is a flat key and 2.5 is a locking nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 7, the utility model discloses a location compresses tightly subassembly for section bar stretch bending includes base 1, a horizontal direction positioning mechanism 4 that is used for carrying out longitudinal positioning's hold-down mechanism 2 and is used for carrying out the horizontal direction location to section bar 3 down to the section bar 3, wherein, hold-down mechanism 2 includes mold core 2.1 down, lower apron 2.2, an upper cover plate 2.4 that is used for compressing tightly section bar 3 and be used for driving upper cover plate 2.4 to lift up and push down the drive unit, wherein the drive unit sets up to two, include respectively and push down hydro-cylinder 2.5, hinge one 2.7 and push down hydro-cylinder mount pad 2.6, push down hydro-cylinder mount pad 2.6 sets up on mold core 2.1, lower apron 2.2 is connected with mold core 2.1, push down hydro-cylinder 2.5 is articulated with push down hydro-cylinder mount pad 2.6 through hinge one 2.7. The utility model discloses an upper cover plate 2.4 and apron 2.2 down between as section bar 3's location space 2.3.
The utility model discloses still including connecting 2.8, two 2.10 of hinge, lock nut 2.11 and upper cover plate mount pad 2.9, wherein, connect 2.8 can dismantle with the drive end of push down hydro-cylinder 2.5 through lock nut 2.11 and be connected, upper cover plate mount pad 2.9 is connected with upper cover plate 2.4 to it is articulated with connecting 2.8 through two 2.10 of hinge. The joint 2.8 of this embodiment is a Y-joint.
The utility model discloses an upper cover plate 2.4 one side and mold core 2.1 are articulated to indicate: the pressing-down and compressing mechanism further comprises an upper cover plate connecting block 2.12, a hinge shaft III 2.13, a locking nut II 2.14 and an upper cover plate support 2.15, wherein the upper cover plate support 2.15 is arranged on the mold core 2.1, the two driving units are respectively positioned on two sides of the upper cover plate support 2.15, one end of the upper cover plate connecting block 2.12 is hinged with the upper cover plate support 2.15 through the hinge shaft III 2.13, the other end of the upper cover plate connecting block is detachably connected with the upper cover plate 2.4 through the locking nut II 2.14, and the upper cover plate connecting block 2.12 and the upper cover plate support 2.15 are used as hinged connecting pieces of the mold core 2.1 and the upper cover plate 2.4.
The utility model discloses a mold core 2.1 indicates with 1 adjustable connection of base: the die core is characterized by further comprising a connecting device 5 arranged on the base 1, wherein the connecting device 5 comprises a stud 5.1, a first locking nut 5.2 and a second locking nut 5.3, the stud 5.1 is adjustably connected with the die core 2.1 and fixed through the first locking nut 5.2, and the stud 5.1 is fixed on the base 1 through the second locking nut 5.3.
The utility model discloses a horizontal direction positioning mechanism includes preceding spiral-lock device and is used for carrying out the back stay device that backs down to pressing hold-down mechanism 2, wherein, the back stay device sets up on base 1, preceding spiral-lock device is including preceding spiral-lock cylinder 4.2 and preceding positioning element that detains, spiral-lock cylinder 4.2 sets up on base 1 and detains positioning element before should, it removes to detain positioning element before the spiral-lock cylinder 4.2 drive before realizing, with carry out the horizontal direction location to the section bar 3 of pressing hold-down mechanism 2 under being located, perhaps detain before the spiral-lock cylinder 4.2 drive before detaining and detain positioning element and reset.
Specifically, the front buckle positioning part comprises a nylon plate 4.3, a sliding seat 4.4, a connector 4.5, a pin shaft 4.6, a clamping plate 4.7, a sliding block 4.8 and a linear guide rail 4.9, wherein the front buckle pressing oil cylinder 4.2 penetrates through the bottom of the mold core 2.1 and is connected with one side of the sliding seat 4.4 through the connector 4.5, the nylon plate 4.3 is arranged on the other side of the sliding seat 4.4, and a positioning station of the section bar 3 is arranged between the connection part of the sliding seat 4.4 and the front buckle pressing oil cylinder 4.2 and the nylon plate 4.3. The slide 4.4 of this embodiment is connected with the connector 4.5 through the pin 4.6, and the snap-gauge 4.7 is arranged on the connector 4.5 and is connected with the pin 4.6 in a clamping manner, so as to prevent the pin 4.6 from rotating. The utility model discloses a linear guide 4.9 sets up on base 4.1, slider 4.8 set up in slide 4.4 bottom and with linear guide 4.9 sliding connection for in the front under the drive of knot pressure cylinder 4.2, slide 4.4 drive nylon plate 4.3 moves on base 1.
The utility model discloses a back strutting arrangement includes back supporting block 4.11 and parallel key 4.12, and this back supporting block 4.11 is connected with base 1 through parallel key 4.12 to set up relatively with connecting device 5. The utility model discloses a base 1 includes bedplate 1.1, end plate 1.2 and a plurality of bearing plate 1.3, and wherein, bedplate 1.1 is connected with end plate 1.2 through bearing plate 1.3, and a plurality of bearing plate 1.3 are arranged and are set up between bedplate 1.1 and end plate 1.2, and structural strength is guaranteed to the design accessible bearing plate 1.3 of this base 1 structure, can reach the effect of lightening weight moreover.
In the using process, the pressing mechanism 2 is adjustably installed on the base 1 through a stud 5.1 and a first locking nut 5.2 of the connecting device 5 and is positioned above the connecting part of the front buckling oil cylinder 4.2 and the sliding seat 4.4. After the pressing mechanism 2 is pressed down to position the section bar 3, the front buckling and pressing oil cylinder 4.2 drives the sliding seat 4.4 to move towards the section bar 3 on the base 1, namely the section bar 3 fixed on the pressing and pressing mechanism 2 is tightly adhered through the nylon plate 4.3 in a back pulling mode, so that the horizontal positioning of the section bar 3 is realized. In the stretch bending process of the section bar 3, the rear supporting block 4.11 supports the pressing mechanism 2 to prevent the pressing mechanism 2 from turning over backwards in the stretch bending process of the section bar 3, and can improve the matching degree of the horizontal positioning mechanism 4 and the pressing mechanism 2 for positioning the section bar 3, thereby ensuring the stretch bending quality of the section bar 3.
The utility model discloses a push down hydro-cylinder 2.5 and push down hydro-cylinder mount pad 2.6 are articulated, upper cover plate 2.4 is articulated with mold core 2.1, and upper cover plate 2.4 is articulated with push down hydro-cylinder 2.5's drive end, make this push down hold-down mechanism 2 have three freely movable joint, can improve push down hold-down mechanism 2's flexibility and commonality, this push down hold-down mechanism 2 is not limited to press for planar section bar 3 to the terminal surface and holds the location, applicable in the section bar 3 to various terminal surfaces carry out the location of longitudinal direction, in order to guarantee the straightness that hangs down of section bar 3 stretch bending process, thereby guarantee section bar 3's stretch bending quality. Additionally, the utility model discloses a 2.5 drive upper cover plate 2.4 of push-down hydro-cylinder lift up and push down, can be convenient for the feeding and the ejection of compact of section bar 3.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. A location compresses tightly subassembly for section bar stretch bending which characterized in that: the pressing mechanism is used for longitudinally positioning the section bar and the horizontal positioning mechanism is used for horizontally positioning the section bar; the downward pressing mechanism comprises a mold core, a lower cover plate, an upper cover plate for pressing the section bar and a driving unit for driving the upper cover plate to lift and press downward; the mold core is adjustably connected with the base, the mold core is detachably connected with the base, and the lower cover plate is connected with the mold core; the driving unit is arranged on the mold core, one side of the upper cover plate is hinged with the mold core, and the other side of the upper cover plate is hinged with the driving end of the driving unit; when the device works, the driving unit drives the upper cover plate to press downwards to compress and position the sectional material placed on the lower cover plate, or the driving unit drives the upper cover plate to lift up to unload or discharge the sectional material;
the horizontal positioning mechanism comprises a front buckling device and a rear supporting device for carrying out rear supporting on the pressing mechanism; the rear support device is arranged on the base; the front buckling device comprises a front buckling driving part and a front buckling positioning part, the front buckling driving part is arranged on the base and is connected with the front buckling positioning part, the front buckling driving part drives the front buckling positioning part to move, so that the section positioned on the pressing mechanism is positioned in the horizontal direction, or the front buckling driving part drives the front buckling positioning part to reset.
2. The positioning and pressing assembly for stretch bending of profiles according to claim 1, wherein: the driving unit comprises a pressing driving device and a pressing driving device mounting seat, and the pressing driving device mounting seat is arranged on the mold core; and the downward pressing driving device is hinged with the downward pressing driving device mounting seat.
3. The positioning and pressing assembly for stretch bending of profiles according to claim 2, wherein: the driving unit further comprises a joint and an upper cover plate mounting seat; the joint is connected with the driving end of the downward pressing driving device; the upper cover plate mounting seat is connected with the upper cover plate and hinged to the joint.
4. The positioning and pressing assembly for stretch bending of profiles according to claim 1, wherein: one side of the upper cover plate is hinged with the mold core, namely: the pressing mechanism also comprises an upper cover plate connecting block and an upper cover plate support; the upper cover plate support is arranged on the mold core, one end of the upper cover plate connecting block is hinged to the upper cover plate support, and the other end of the upper cover plate connecting block is connected with the upper cover plate.
5. The positioning and pressing assembly for stretch bending of profiles according to claim 1, wherein: the adjustable connection of the mold core and the base is as follows: the connecting device is arranged on the base and comprises a stud and a first locking nut; the stud is adjustably connected with the mold core and is fixed through the first locking nut.
6. Positioning and pressing assembly for stretch bending of section bars according to claim 5, characterized in that: the connecting device further comprises a second locking nut; the stud is fixed on the base through a second locking nut.
7. Positioning and pressing assembly for stretch bending of section bars according to claim 5, characterized in that: the rear support device comprises a rear support block and a flat key; the rear supporting block is connected with the base through a flat key and is arranged opposite to the connecting device.
8. The positioning and pressing assembly for stretch bending of profiles according to claim 1, wherein: the front buckle positioning part comprises a front buckle plate and a sliding seat; the driving end of the front buckle driving part penetrates through the bottom of the mold core and is connected with one side of the sliding seat; the front buckle plate is arranged on the other side of the sliding seat.
9. The positioning and pressing assembly for stretch bending of profiles according to claim 8, wherein: the front buckle driving part also comprises a sliding block and a linear guide rail; the linear guide rail is arranged on the base, and the sliding block is arranged at the bottom of the sliding seat and is in sliding connection with the linear guide rail.
10. The positioning and pressing assembly for stretch bending of profiles according to claim 1, wherein: the base comprises a seat plate, an end plate and a plurality of bearing plates; the seat plate is connected with the end plate through a bearing plate; a plurality of bearing plates are arranged between the seat plate and the end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022441602.4U CN213591477U (en) | 2020-10-28 | 2020-10-28 | Positioning and pressing assembly for stretch bending of section bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022441602.4U CN213591477U (en) | 2020-10-28 | 2020-10-28 | Positioning and pressing assembly for stretch bending of section bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213591477U true CN213591477U (en) | 2021-07-02 |
Family
ID=76593230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022441602.4U Active CN213591477U (en) | 2020-10-28 | 2020-10-28 | Positioning and pressing assembly for stretch bending of section bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213591477U (en) |
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2020
- 2020-10-28 CN CN202022441602.4U patent/CN213591477U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The utility model relates to a positioning and pressing assembly for profile stretch bending Effective date of registration: 20220126 Granted publication date: 20210702 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. science and technology innovation sub branch Pledgor: Guangdong Gaopu Bending Technology Co.,Ltd. Registration number: Y2022980001155 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |