CN114055186A - Push-pull portal frame - Google Patents
Push-pull portal frame Download PDFInfo
- Publication number
- CN114055186A CN114055186A CN202111431876.8A CN202111431876A CN114055186A CN 114055186 A CN114055186 A CN 114055186A CN 202111431876 A CN202111431876 A CN 202111431876A CN 114055186 A CN114055186 A CN 114055186A
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- China
- Prior art keywords
- main body
- pull
- groove
- pressing
- pull rod
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- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/012—Portals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/069—Work-clamping means for pressing workpieces against a work-table
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to the technical field of portal frames, in particular to a push-pull portal frame; the device comprises a support, a cross beam, a guide assembly, a pressing device, a balance assembly and a workbench; the crossbeam comprises a main body, a connecting plate and a bottom plate; the main body, the connecting plate and the bottom plate are enclosed into a groove, the groove is provided with a groove lower surface, and the groove lower surface and the main body are arranged at a distance; the pressing device is arranged in the main body and comprises a pressing driving piece, a pressing piece and a plurality of buffering pieces, the pressing driving piece is arranged in the main body and drives the pressing piece to lift, the pressing piece comprises a box body and a cover body, and the buffering pieces are arranged in the box body and abut against the cover body; the balance assembly comprises a balance driving piece, a pull rod and a pull head connected with the pull rod; when the cross beam moves along the guide assembly, the pull head enters the groove, and the balance driving piece drives the pull rod to move so that the pull head presses the lower surface of the groove; through setting up balanced subassembly, avoid the crossbeam to take place the phenomenon of micro deformation, and then improve production processingquality, prolong the life of crossbeam.
Description
Technical Field
The invention relates to the technical field of portal frames, in particular to a push-pull portal frame.
Background
The large-scale work piece production course of working will wait to process the work piece and place at the workstation usually, press to hold fixedly to the work piece after that, in order to reach the fine machining production purpose, because of waiting to process the work piece bulky, be difficult for moving, the tradition uses the portal frame structure to treat that the work piece is pressed and is held fixedly, and the portal frame of traditional structure adopts the rotary type structure, the one end and the support of portal frame crossbeam are connected through the pivot promptly, the other end of crossbeam is equipped with press device, through the rotation of crossbeam, realize press device press hold or put aside the purpose on work piece surface, the phenomenon that the crossbeam warp takes place for the micro-deformation often appears in the portal frame of this kind of rotary type structure, lead to producing and processing precision low, and there is the shorter problem of crossbeam life, need the improvement.
Disclosure of Invention
In order to overcome the defect that the production and machining precision is low due to the fact that a cross beam of a portal frame is slightly deformed in the using process in the prior art, the invention aims to provide a push-pull portal frame, ensure the stability of the working state of the cross beam and achieve the purpose of finish machining.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a push-pull portal frame comprises a support, a cross beam, a guide assembly, a material pressing device, a balance assembly and a workbench;
the number of the supports is two, the two supports are arranged in parallel at intervals, the number of the guide assemblies is two, and one group of the guide assemblies is fixedly connected to one support;
the cross beam comprises a main body, a connecting plate and a bottom plate;
the main body is connected to the support in a sliding manner through the guide assembly;
one end of the connecting plate is connected with the main body, the other end of the connecting plate is connected with the bottom plate, the bottom plate is arranged close to the support, the main body, the connecting plate and the bottom plate are enclosed into a groove, the length direction of the groove is the same as the moving direction of the main body, the groove is provided with a groove lower surface, and the groove lower surface and the main body are arranged at a distance;
the pressing device is arranged in the main body and comprises a pressing driving piece, a pressing piece and a plurality of buffering pieces, the pressing driving piece is arranged in the main body and drives the pressing piece to lift, the pressing piece comprises a box body and a cover body, and the plurality of buffering pieces are arranged in the box body and abut against the cover body;
the balance assembly comprises a balance driving piece, a pull rod and a pull head connected with the pull rod, the balance driving piece is arranged on the support and drives the pull rod to move, the pull head and the pull rod are arranged in a crossed mode, and the groove is used for containing the pull head;
when the cross beam moves along the guide assembly, the pull head enters the groove, and the balance driving piece drives the pull rod to move so that the pull head presses the lower surface of the holding groove.
Further, the connecting plate with the bottom plate is the setting of L type, the quantity of connecting plate is two, the quantity of bottom plate is two, and two bottom plate intervals set up, and the interval between two bottom plates is greater than the radial specification of pull rod.
Furthermore, the connecting plate is located the lower surface of main part, the bottom plate with the parallel and interval setting of main part, the bottom plate with the distance between the main part is greater than the thickness of pressing the piece.
Further, the support still includes the roof, the roof is equipped with the through-hole, balanced driving piece locates the roof, the pull rod passes the through-hole, press the holding with balanced driving piece locates the both sides of roof respectively.
Further, the main part is provided with a hollow groove, and the hollow groove is concavely arranged on the upper surface of the main part.
Furthermore, the main body is also provided with a plurality of rib plates, and the rib plates are arranged in the hollow groove.
Further, the crossbeam still includes the backing plate, the backing plate is located the below of main part, the backing plate with the direction subassembly is connected.
The invention has the beneficial effects that: through setting up balanced subassembly, produce decurrent pulling force to the crossbeam to wait to process the work piece under the operating condition and offset mutually to the ascending reaction force that the crossbeam produced, avoid the crossbeam to take place the phenomenon of micro-deformation, and then improve production processingquality, the life of extension crossbeam.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged partial view of portion B of FIG. 1;
FIG. 4 is a schematic view of the split structure of the present invention;
FIG. 5 is an enlarged partial view of portion C of FIG. 4;
FIG. 6 is a schematic structural view of a cross beam and a pressing device according to the present invention;
FIG. 7 is a schematic view of the stand-off and balance assembly of the present invention;
FIG. 8 is a schematic view of the compression element and the position of a plurality of cushioning elements according to the present invention;
fig. 9 is a partially enlarged view of portion D of fig. 8.
The reference numerals include:
1-support 2-beam 21-main body
22-connecting plate 23-bottom plate 24-groove
241-groove inner and lower surfaces 25-hollow groove 26-rib plate
27-backing plate 3-guiding component 4-pressing device
41 box body of pressing driving part 42 pressing part 421
4211-first hollow ring 4212-external convex part 422-cover body
4221-second hollow ring 4222-inner convex part 43-buffer part
5-balance assembly 51-balance driving piece 52-pull rod
53, a pull head 6, a workbench 7, and a workpiece to be processed.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 9, the push-pull portal frame of the present invention includes a support 1, a beam 2, a guiding assembly 3, a material pressing device 4, a balancing assembly 5 and a workbench 6;
the number of the supports 1 is two, the two supports 1 are arranged in parallel at intervals, the number of the guide assemblies 3 is two, one group of the guide assemblies 3 is fixedly connected to one support 1, the workbench 6 is positioned between the two supports 1, and the workbench 6 is positioned below the cross beam 2;
the beam 2 comprises a main body 21, a connecting plate 22 and a bottom plate 23;
the main body 21 is connected to the support 1 in a sliding way through the guide assembly 3;
one end of the connecting plate 22 is connected with the main body 21, the other end of the connecting plate 22 is connected with the bottom plate 23, the bottom plate 23 is arranged close to the support 1, the main body 21, the connecting plate 22 and the bottom plate 23 are enclosed to form a groove 24, the length direction of the groove 24 is the same as the moving direction of the main body 21, the groove 24 is provided with a groove inner lower surface 241, and the groove inner lower surface 241 is arranged at a distance from the main body 21;
the pressing device 4 is arranged on the main body 21, the pressing device 4 comprises a pressing driving part 41, a pressing part 42 and a plurality of buffering parts 43, the pressing driving part 41 is arranged on the main body 21 and drives the pressing part 42 to lift, the pressing part 42 comprises a box body 421 and a cover body 422, the plurality of buffering parts 43 are arranged in the box body 421, and two ends of each buffering part 43 are respectively abutted against the box body 421 and the cover body 422;
the balance assembly 5 comprises a balance driving piece 51, a pull rod 52 and a pull head 53 connected with the pull rod 52, the balance driving piece 51 is arranged on the support 1 and drives the pull rod 52 to move, the pull head 53 and the pull rod 52 are arranged in a crossed mode, and the groove 24 is used for accommodating the pull head 53;
when the cross beam 2 moves along the guide assembly 3, the pull head 53 enters the groove 24, and the balance driving piece 51 drives the pull rod 52 to move, so that the pull head 53 presses the inner lower surface 241 of the groove.
Specifically, in this embodiment, the number of the support 1 is two, the group of guide assemblies 3 includes two guide rails, one guide rail is provided with two sliding blocks, the sliding blocks are fixedly connected to the lower end surface of the main body 21, the guide rails are fixedly connected to the support 1, so as to achieve the purpose that the main body 21 slides stably relative to the support 1, the workbench 6 is placed between the two support bases 1, the workpiece 7 to be processed is placed on the upper surface of the workbench 6, the pressing device 4 includes a pressing driving member 41 and a pressing member 42, the pressing driving member 41 is disposed on the main body 21, the pressing driving member 41 is a cylinder structure and drives the pressing member 42 to move up and down, so as to achieve the purpose that the pressing member 42 presses and holds the workpiece 7 to be processed, preferably, the pressing member 42 is disposed at the free end of a telescopic rod of the pressing driving member 41, the pressing member 42 includes a box body and a cover body 422, a plurality of first hollow rings 4211 are disposed in the box body 421, a plurality of second hollow rings 4221 are disposed in the cover body 422, a first hollow ring 4211 and a second hollow ring 4221 are matched for fixing a buffer piece 43, the central axis of the first hollow ring 4211 is coincident with the central axis of the second hollow ring 4221, the buffer piece 43 adopts a spring piece, two ends of the buffer piece 43 are respectively clamped in the first hollow ring 4211 and the second hollow ring 4221, two ends of the buffer piece 43 are respectively provided with an adhesive piece, so that two ends of the buffer piece 43 are respectively and fixedly connected with the box body 421 and the cover body 422, the buffer piece 43 is prevented from being separated from the box body 421 and the cover body 422 in the process of pressing and holding the workpiece 7 to be processed, preferably, the box body 421 is provided with an outer convex part 4212, the outer convex part 4212 is arranged on the side wall of the box body 421 and extends towards the direction far away from the central axis, the cover body 422 is provided with an inner convex part 4222, the inner convex part 4222 is arranged on the side wall of the cover body 422 and extends towards the direction close to the central axis, the outer surface of the side wall of the box body 421 is abutted against, the outer convex portion 4212 is arranged or abutted against the lower surface of the inner convex portion 4222 at a distance, the inner convex portion 4222 and the outer convex portion 4212 are arranged to prevent the box body 421 and the cover body 422 from being separated, safety of a working process is improved, the buffer member 43 is arranged in the pressing member 42, so that when the pressing member 42 acts on the surface of the workpiece 7 to be processed instantly, the cover body 422 slides towards the box body 421, the effect of pressure delay acting on the surface of the workpiece 7 to be processed is achieved, collision of impact force generated by instant pressure acting on the workpiece 7 to be processed is avoided, processing quality of the workpiece is improved, the cover body 422 is detachably arranged, the cover body 422 can be replaced conveniently according to different requirements of the workpiece to be processed, different production requirements are met, fine processing can be conveniently performed on the cover body 422, and production and use cost is reduced. The lower end surface of the main body 21 is further provided with connecting plates 22 and bottom plates 23, the connecting plates 22 are vertically arranged on the lower surface of the main body 21, the bottom plates 23 are vertically arranged on the connecting plates 22, the number of the connecting plates 22 is four, the number of the bottom plates 23 is four, two connecting plates 22 and two bottom plates 23 form a group, two connecting plates 22 and two bottom plates 23 and the main body 21 enclose a T-shaped groove 24, namely, two T-shaped grooves 24 are arranged below the main body 21, one groove 24 is arranged close to one support 1, two grooves 24 are arranged between the two supports 1, a balance driving member 51 is arranged on the support 1, the balance driving member 51 is a cylinder driving member, the balance driving member 51 drives the pull rod 52 to ascend and descend, the free end of the pull rod 52 is provided with a T-shaped pull head 53, when the cross beam 2 slides along the guide assembly 3, the pull head 53 enters the groove 24, then the balance driving member 51 drives the pull rod 52 to move downwards, the slider 53 is pressed on the groove inner lower surface 241 of the groove 24, so that a downward pulling force is generated on the main body 21, the pressing piece 42 is driven by the pressing material driving piece 41 to press the workpiece 7 to be processed, according to the transmission of the reaction force and the force, an upward reaction force generated by the workpiece 7 to be processed is transmitted to the main body 21, the balance driving piece 51 drives the pull rod 52 to move downwards, so that the downward reaction force generated by the slider 53 on the main body 21 is counteracted with the upward reaction force generated by the workpiece 7 to be processed on the main body 21, so that the micro-deformation phenomenon of the main body 21 is avoided, the service life of the main body 21 is ensured, the working and processing precision is improved, and preferably, the main body 21, the connecting plate 22 and the bottom plate 23 are integrally formed, so that the working strength of the cross beam 2 is further ensured.
Through setting up balanced subassembly 5, produce decurrent pulling force to crossbeam 2 to wait to process under the operating condition that work piece 7 offsets mutually to the ascending reaction force that crossbeam 2 produced, avoid crossbeam 2 to take place the phenomenon of micro-deformation, and then improve production processingquality, prolong crossbeam 2's life.
The support 1 still includes the roof, the roof is equipped with the through-hole, balanced driving piece 51 is located the roof, pull rod 52 passes the through-hole, press hold 53 with balanced driving piece 51 locates the both sides of roof respectively, the setting of roof makes things convenient for fixed direction subassembly 3 and balanced driving piece 51, according to different production requirements, installs the direction subassembly 3 and the balanced driving piece 51 of different specifications, realizes the purpose of nimble production.
The main part 21 is equipped with hollow groove 25, hollow groove 25 is concave to be located the upper surface of main part 21, and hollow groove 25's setting has the effect of lightening main part 21 weight to reduce the energy consumption of drive crossbeam 2 motion, reach reduction in production cost's purpose.
The main body 21 is further provided with a plurality of rib plates 26, the rib plates 26 are arranged in the hollow groove 25, and the arrangement of the rib plates 26 further increases the deformation resistance of the main body 21 and prolongs the service life of the cross beam 2.
Crossbeam 2 still includes backing plate 27, the below of main part 21 is located to backing plate 27, backing plate 27 with guide assembly 3 is connected, and backing plate 27's width is greater than the width of main part 21, and backing plate 27 is connected with guide assembly 3, plays steady sliding effect.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (7)
1. A push-pull portal frame is characterized in that: the device comprises a support (1), a cross beam (2), a guide assembly (3), a pressing device (4), a balance assembly (5) and a workbench (6);
the number of the supports (1) is two, the two supports (1) are arranged in parallel at intervals, the number of the guide assemblies (3) is two, and one group of the guide assemblies (3) is fixedly connected to one support (1);
the cross beam (2) comprises a main body (21), a connecting plate (22) and a bottom plate (23);
the main body (21) is connected to the support (1) in a sliding manner through the guide assembly (3);
one end of the connecting plate (22) is connected with the main body (21), the other end of the connecting plate (22) is connected with the bottom plate (23), the bottom plate (23) is arranged close to the support (1), the main body (21), the connecting plate (22) and the bottom plate (23) are enclosed into a groove (24), the length direction of the groove (24) is the same as the moving direction of the main body (21), the groove (24) is provided with a groove lower surface (241), and the groove lower surface (241) and the main body (21) are arranged at intervals;
the pressing device (4) is arranged on the main body (21), the pressing device (4) comprises a pressing driving part (41), a pressing part (42) and a plurality of buffering parts (43), the pressing driving part (41) is arranged on the main body (21) and drives the pressing part (42) to lift, the pressing part (42) comprises a box body (421) and a cover body (422), and the buffering parts (43) are arranged in the box body (421) and abut against the cover body (422);
the balance assembly (5) comprises a balance driving piece (51), a pull rod (52) and a pull head (53) connected with the pull rod (52), the balance driving piece (51) is arranged on the support (1) and drives the pull rod (52) to move, the pull head (53) and the pull rod (52) are arranged in a crossed mode, and the groove (24) is used for accommodating the pull head (53);
when the cross beam (2) moves along the guide assembly (3), the pull head (53) enters the groove (24), and the balance driving piece (51) drives the pull rod (52) to move, so that the pull head (53) presses the lower surface (241) of the groove.
2. The push-pull portal frame of claim 1, wherein: the connecting plates (22) and the bottom plates (23) are arranged in an L shape, the number of the connecting plates (22) is two, the number of the bottom plates (23) is two, the two bottom plates (23) are arranged at intervals, and the interval between the two bottom plates (23) is larger than the radial specification of the pull rod (52).
3. The push-pull portal frame of claim 1, wherein: the connecting plate (22) is located on the lower surface of the main body (21), the bottom plate (23) is parallel to the main body (21) and arranged at intervals, and the distance between the bottom plate (23) and the main body (21) is larger than the thickness of the pressing piece (53).
4. The push-pull portal frame of claim 1, wherein: the support (1) further comprises a top plate, a through hole is formed in the top plate, the balance driving piece (51) is arranged on the top plate, the pull rod (52) penetrates through the through hole, and the pressing piece (53) and the balance driving piece (51) are arranged on two sides of the top plate respectively.
5. The push-pull portal frame of claim 1, wherein: the main body (21) is provided with a hollow groove (24), and the hollow groove (24) is concavely arranged on the upper surface of the main body (21).
6. The push-pull portal frame of claim 5, wherein: the main body (21) is further provided with a plurality of rib plates (25), and the rib plates (25) are arranged in the hollow groove (24).
7. The push-pull portal frame of claim 1, wherein: crossbeam (2) still include backing plate (26), the below of main part (21) is located in backing plate (26), backing plate (26) with guide assembly (3) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111431876.8A CN114055186A (en) | 2021-11-29 | 2021-11-29 | Push-pull portal frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111431876.8A CN114055186A (en) | 2021-11-29 | 2021-11-29 | Push-pull portal frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114055186A true CN114055186A (en) | 2022-02-18 |
Family
ID=80277286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111431876.8A Pending CN114055186A (en) | 2021-11-29 | 2021-11-29 | Push-pull portal frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114055186A (en) |
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| CN204059210U (en) * | 2014-08-06 | 2014-12-31 | 中国路桥工程有限责任公司 | Large bridge is with across pier portal frame |
| CN108526914A (en) * | 2018-03-20 | 2018-09-14 | 诺伯特智能装备（山东）有限公司 | A kind of dynamic beam locking device of five axis machine of gantry |
| CN209010954U (en) * | 2018-08-01 | 2019-06-21 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of bi-directional movable type tensile device |
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| CN211390244U (en) * | 2019-11-25 | 2020-09-01 | 扬州瑞恩电器设备有限公司 | Press machine with sliding guide structure |
| CN213081222U (en) * | 2020-08-25 | 2021-04-30 | 东莞市博虹机械制造有限公司 | Hydraulic portal frame |
| CN214000668U (en) * | 2020-10-23 | 2021-08-20 | 南京特云机械制造有限公司 | But automatic discharge's metal baling press |
| CN113523861A (en) * | 2021-07-23 | 2021-10-22 | 上海诺倬力机电科技有限公司 | Hydraulic pressure clamp for machine tool workpiece and machine tool |
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- 2021-11-29 CN CN202111431876.8A patent/CN114055186A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102172673A (en) * | 2010-12-02 | 2011-09-07 | 威海华东重工有限公司 | Large-tonnage moving crossbeam hydraulic machine |
| CN201933958U (en) * | 2010-12-31 | 2011-08-17 | 浙江理想门业制造有限公司 | Deflection regulating device used on middle beam of industrial door |
| CN103692225A (en) * | 2013-12-24 | 2014-04-02 | 山东法因数控机械股份有限公司 | High-rigidity gantry frame |
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Application publication date: 20220218 |
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