CN107008788A - A kind of equipment and process for pressing for ladder pressing and forming - Google Patents
A kind of equipment and process for pressing for ladder pressing and forming Download PDFInfo
- Publication number
- CN107008788A CN107008788A CN201710369930.8A CN201710369930A CN107008788A CN 107008788 A CN107008788 A CN 107008788A CN 201710369930 A CN201710369930 A CN 201710369930A CN 107008788 A CN107008788 A CN 107008788A
- Authority
- CN
- China
- Prior art keywords
- ladder
- transverse tube
- pressing
- extrusion die
- mold
- 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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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
- B21D15/00—Corrugating tubes
- B21D15/04—Corrugating tubes transversely, e.g. helically
- B21D15/06—Corrugating tubes transversely, e.g. helically annularly
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The present invention discloses a kind of equipment and process for pressing for ladder pressing and forming, wherein, the equipment includes base, be arranged on base, the lower mould for placing ladder transverse tube, above lower mould, the mold for being fixed ladder transverse tube can be moved up and down, and is arranged on the ambilateral pressing mechanism of lower mould.Using equipment of the present invention, connected by extruding the pressing between completion ladder transverse tube and terraced side twice, whole process is integrally formed without using screw or welding, improves the durability of ladder.
Description
Technical field
The present invention relates to a kind of equipment and process for pressing for ladder pressing and forming.
Background technology
Ladder is one of common instrument in daily life, by both sides it is terraced while and connection both sides it is terraced while transverse slat or horizontal stroke
Pipe is constituted.The general technique by riveting or welding is fixedly connected between the terraced side of existing ladder and transverse tube.It is long in riveting process
Time is easily loosened using rear screw, so that cause ladder to rock shakiness when in use, and welding procedure needs HTHP, and no
Only operating environment is severe, and the technique is not suitable for for some materials, such as, with it is lightweight, corrosion-resistant the features such as and extensively by
The aluminum alloy material of welcome, welding procedure destructible aluminium inner molecular structure, the reduction original intensity of material and durability, hold
Easily there is phenomenon of rupture.
Therefore, prior art has yet to be improved and developed.
The content of the invention
For above-mentioned problems of the prior art, it is used for ladder pressing and forming it is an object of the invention to provide one kind
Equipment, it is intended to overcome and asked in the prior art between terraced side and transverse tube using the ladder poor durability of riveting and welding procedure
Topic.
Technical scheme is as follows：A kind of equipment for ladder pressing and forming, wherein, including base, it is arranged on
Lower mould on base, for placing ladder transverse tube, above the lower mould, can move up and down and be fixed the upper of ladder transverse tube
Mould, and it is arranged on the ambilateral pressing mechanism of lower mould.
The equipment for ladder pressing and forming, wherein, in addition to the support being fixed on base, the mold company
Upper and lower air cylinders are connected to, top surface is provided with lead, and mold top surface is fixed in described lead one end, and the other end passes through cradle top surface
On through hole.
Edge on the equipment for ladder pressing and forming, lower mould is provided with positioning hole, mold correspondence position
Provided with the locating dowel for coordinating insertion positioning hole.
The equipment for ladder pressing and forming, wherein, the pressing mechanism includes extrusion die, extrusion die and connected
Head and horizontal air cylinder, described extrusion die connector one end are connected through a screw thread extrusion die, other end connection horizontal air cylinder.
The equipment for ladder pressing and forming, extrusion die includes the first extrusion die mutually replaced and second and squeezed
Compression mould, wherein, first extrusion die one end is connected by screw thread with extrusion die connector, and the other end is provided with engagement sleeves in ladder
The slot of sub- transverse tube end, the edge of opening of the slot is provided with slot recess.
The equipment for ladder pressing and forming, wherein, the end of the mold and lower mould is respectively equipped with and institute
State mold recess and lower mould recess that slot recess is engaged.
The equipment for ladder pressing and forming, wherein, described second extrusion die one end passes through screw thread and extrusion die
Have connector connection, the other end is inserted into the plug of ladder transverse tube, and the press section linked into an integrated entity with plug provided with coordinating,
The end of the press section is provided with annular groove.
The equipment for ladder pressing and forming, wherein, second extrusion die also includes screw nipple, described
Internal thread is provided with screw nipple, threaded one end connection extrusion die connector, the other end is threadedly coupled the back segment of press section.
It is a further object of the present invention to provide a kind of utilization the said equipment pressing ladder transverse tube and the technique on terraced side, specific bag
Include following steps：
Step S100：Fixed ladder transverse tube：Ladder transverse tube is placed in lower mould and its two ends is symmetrically dispersed in lower mould
The outside of tool, then moves down mold until ladder transverse tube is fixed；
Step S200：Extrude for the first time：Start the lower ambilateral pressing mechanism of mould, at the same extrude ladder transverse tube two ends make its by
Outwards heave deformation and form a circle projection in the position of nearly upper/lower die；
Step S300：Terraced side is installed：Terraced side with through hole is inserted on ladder transverse tube from two ends respectively and it is close to projection；
Step S400：Second of extruding：The ladder transverse tube that two ends are provided with into terraced side again is put into lower mould, utilizes mold
It is fixed, now, pressing mechanism is located at terraced side both sides, starts pressing mechanism and ladder transverse tube end is carried out to extrude for the second time,
Its deformation is set to be pressed on terraced side, so that the pressing completed between ladder transverse tube and terraced side is connected.
Beneficial effects of the present invention are：A kind of equipment that shaping is pressed for ladder is provided, in use, first by ladder transverse tube
The outside for making its two ends be symmetrically dispersed in lower mould in lower mould is placed on, and mold is moved down transverse tube compression admittedly
It is fixed, then start the lower ambilateral pressing mechanism of mould, extruding ladder transverse tube two ends make it close to upper/lower die end face for the first time
Position outwards heave deformation to form a circle raised, the terraced side with through hole is inserted on ladder transverse tube from two ends respectively and makes it
Projection is close to, then ladder transverse tube is put into lower mould again, is fixed using mold, now, pressing mechanism is located at
Terraced side both sides, start pressing mechanism and second of extruding are carried out to ladder transverse tube end, its deformation is pressed on terraced side, so that complete
Connected into the pressing between ladder transverse tube and terraced side.Whole process is integrally formed without using screw or welding, improves ladder
Durability.
Brief description of the drawings
Fig. 1 be the embodiment of the present invention in be used for ladder pressing and forming equipment main structure diagram.
Fig. 2 be the embodiment of the present invention in be used for ladder pressing and forming equipment overlooking the structure diagram.
Fig. 3 be the embodiment of the present invention in be used for ladder pressing and forming equipment left view structural representation.
Fig. 4 be the embodiment of the present invention in through first time extrude after ladder transverse tube schematic perspective view.
Terraced side is inserted into the partial structural diagram on the ladder transverse tube after extruding for the first time for the present invention by Fig. 5.
Fig. 6 is that part when carrying out extruding for second to ladder transverse tube end using equipment described in the embodiment of the present invention is stood
Body structural representation.
Fig. 7 is the partial structural diagram after completion pressing connection between ladder transverse tube in the embodiment of the present invention and terraced side.
Fig. 8 is the diagrammatic cross-section of the first extrusion die described in the embodiment of the present invention.
Fig. 9 is the diagrammatic cross-section of the second extrusion die described in the embodiment of the present invention.
Mould recess under mould under 1- bases, 2-, 21- positioning holes, 22-, 3- molds, 31- leads, 32- positioning
Post, 33- mold recess, 4- pressing mechanisms, the extrusion dies of 41- first, 411- slots, 412- slot recess, 42- second is extruded
Mould, 421- plugs, 422- press sections, 423- annular grooves, 424- screw nipples, 43- extrusion die connectors, 44- levels
Cylinder, 5- supports, 6- upper and lower air cylinders, 7- leads, 8- ladder transverse tubes, 81- is raised, 9- ladders side.
Embodiment
To make the purpose of the present invention, technical scheme and effect clearer, clear and definite, give an actual example below further to the present invention
Describe in detail.It should be appreciated that specific embodiment described herein is only used for explaining the present invention, it is not intended to limit the present invention.
As Figure 1-3, the present embodiment is related to a kind of equipment for ladder pressing and forming, including base 1, is arranged on bottom
On seat 1, the lower mould 2 for placing ladder transverse tube 8, positioned at the top of lower mould 2, can move up and down and be fixed ladder transverse tube 8
Mold 3, and be arranged on the pressing mechanism 4 of the lower both sides of mould 2.
In use, as shown in figs. 1 and 4, first ladder transverse tube 8, which is placed in lower mould 2, is symmetrically dispersed in its two ends
The outside of lower mould 2, and mold 3 is moved down be fixed ladder transverse tube 8, then start squeezing for the lower both sides of mould 3
Press mechanism 4, for the first time the two ends of extruding ladder transverse tube 8 it is outwards heaved deformation in the position close to upper/lower die to form a circle convex
Play 81；As shown in figure 5, the terraced side 9 with through hole is inserted on ladder transverse tube 8 from two ends respectively and it is close to projection 81；Such as
Shown in Fig. 6, ladder transverse tube 8 is put into lower mould 2 again, is fixed using mold 3, now, pressing mechanism 4 is located at ladder
The both sides of side 9, start pressing mechanism 4 and second of extruding are carried out to the end of ladder transverse tube 8, its deformation is pressed on the terraced side of side 9,
As shown in fig. 7, being connected so as to complete the pressing between ladder transverse tube 8 and terraced side 9.Whole process without using screw or welding,
It is integrally formed, improves the durability of ladder.
In the present embodiment, the equipment for ladder pressing and forming also includes the support 5 being fixed on base 1, described
Mold 3 is connected with upper and lower air cylinders 6, and top surface is provided with lead 31, and the top surface of mold 3 is fixed in described one end of lead 31, separately
One end passes through the through hole on the top surface of support 5.Mold 3 is driven to move up and down by upper and lower air cylinders 6, so that lower mould will be placed on
Ladder transverse tube 8 in 2 is fixed, in the process, and lead 31 is moved up and down in the through hole on the top surface of support 5, is prevented
Mold 3 is shifted or rotated.
As preferred embodiment mode, in the equipment for ladder pressing and forming, set on the edge on lower mould 2
There is positioning hole 21, the correspondence position of mold 3 is provided with the locating dowel 32 for coordinating insertion positioning hole 21.Ladder is compressed when mold 3 declines
During sub- transverse tube 8, locating dowel 32 coordinates in insertion positioning hole 21, and the compaction process to mold 3 carries out locking positioning, prevents mistake
Position.
The equipment for ladder pressing and forming, wherein, the pressing mechanism 4 includes extrusion die, extrusion die and connected
Joint 43 and horizontal air cylinder 44, described one end of extrusion die connector 43 are connected through a screw thread extrusion die, other end connection water
Flat cylinder 44.Because extrusion die connector 43 is connected through a screw thread extrusion die, it is easy to as needed with changing different extruding
Mould, so that the end of ladder transverse tube 8 to be produced to different deformations.
As a kind of embodiment therein, as shown in figure 8, extrusion die includes the first extrusion die 41 mutually replaced
With the second extrusion die 42, wherein, the one end of the first extrusion die 41 is connected by screw thread with extrusion die connector 43, the other end
Provided with engagement sleeves in the slot 411 of the end of ladder transverse tube 8, the edge of opening of the slot 411 is provided with slot recess 412.Entering
When row is extruded for the first time, start horizontal air cylinder 44, drive the first extrusion die 41 to be moved to ladder transverse tube 8, make slot 411 complete
Engagement sleeves are in the end of ladder transverse tube 8, while the edge of opening of slot 411 is in contact with the end face of mold 2, lower mould 3, insert
A cavity is formed between geosynclinal concave position 412 and the end face of lower mould, the first extrusion die 41 is continued to move to, then slot 411
Deformation is outwards heaved into the position that the end for extruding ladder transverse tube 8 is located in cavity and forms a circle projection 81 in bottom.
It is further preferred that as Figure 2-3, the end of the mold 2 and lower mould 3 is respectively equipped with and the slot
Recessed 411 the mold recess 33 and lower mould recess 22 that are engaged.So that the edge of opening of slot 411 and upper/lower die end face
When being in contact, slot recess 412 docks with lower mould recess 21, mold recess 31 and is collectively forming cavity, is more beneficial for ladder
The deformation of transverse tube 81.
As shown in figure 9, described one end of second extrusion die 42 is connected by screw thread with extrusion die connector 43, the other end
The plug 421 of ladder transverse tube 8, and the press section 422 linked into an integrated entity with plug 421, the extruding are inserted into provided with cooperation
The end in portion 422 is provided with annular groove 423.When carrying out second of extruding, extrusion die is replaced with the second extrusion die first
42, as shown in fig. 6, starting horizontal air cylinder 44, drive the second extrusion die 42 to be moved to ladder transverse tube 8, coordinate plug 421 and insert
In the end for entering ladder transverse tube 8, the second extrusion die 42 is continued to move to, the bottom of annular groove 423 starts to extrude ladder transverse tube 8
End makes outside dilatancy in the inner chamber that it is formed between annular groove 423 and mold 3, the end face of lower mould 2, is pressed on ladder
Side 9 it is upper, as shown in Figure 7.
It is further preferred that second extrusion die 42 also includes screw nipple 424, the screw nipple 424
In be provided with internal thread, threaded one end connection extrusion die connector 43, the other end is threadedly coupled the back segment of press section 422.When slotting
First 421 or press section 422 damage when, be conveniently replaceable.
The present embodiment also provides the technique on a kind of utilization the said equipment pressing ladder transverse tube and terraced side, specifically includes following step
Suddenly：
Step S100：Fixed ladder transverse tube：Ladder transverse tube 8 is placed in lower mould 2 and its two ends is symmetrically dispersed in down
The outside of mould（As shown in Figure 1）, then mold 3 is moved down until ladder transverse tube 8 is fixed；
Step S200：Extrude for the first time：Start the pressing mechanism 4 of the lower both sides of mould 2, while extruding the two ends of ladder transverse tube 8 makes it
Deformation is outwards heaved in the position close to upper/lower die and forms a circle projection 81（As shown in Figure 4）；
Step S300：Terraced side is installed：Terraced side 9 with through hole is inserted on ladder transverse tube 8 from two ends respectively and to be close to it convex
Play 81（As shown in Figure 5）；
Step S400：Second of extruding：The ladder transverse tube 8 that two ends are equipped with into terraced side 9 again is put into lower mould 2（Such as Fig. 6 institutes
Show）, it is fixed using mold 3, now, pressing mechanism 4 is located at terraced side 9 both sides, starts pressing mechanism 4 to ladder transverse tube 8
End carries out second and extruded, and its deformation is pressed on terraced side, so that the pressing completed between ladder transverse tube 8 and terraced side 9 connects
Connect（As shown in Figure 7）.
Whole process is integrally formed without using screw or welding, improves the durability of ladder, overcomes traditional ladder peace
Fill the defect of technique.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (9)
1. a kind of equipment for ladder pressing and forming, it is characterised in that including base, be arranged on base, for placing ladder
The lower mould of sub- transverse tube, above lower mould, can move up and down the mold for being fixed ladder transverse tube, and be arranged on down
The ambilateral pressing mechanism of mould.
2. the equipment according to claim 1 for ladder pressing and forming, it is characterised in that also including being fixed on base
Support, the mold is connected with upper and lower air cylinders, and top surface is provided with lead, and mold top is fixed in described lead one end
Face, the other end passes through the through hole in cradle top surface.
3. the equipment according to claim 2 for ladder pressing and forming, it is characterised in that set on the edge on lower mould
There is positioning hole, mold correspondence position is provided with the locating dowel for coordinating insertion positioning hole.
4. the equipment according to claim 1 for ladder pressing and forming, it is characterised in that the pressing mechanism includes squeezing
Compression mould, extrusion die connector and horizontal air cylinder, described extrusion die connector one end are connected through a screw thread extrusion die, separately
One end connects horizontal air cylinder.
5. the equipment according to claim 4 for ladder pressing and forming, it is characterised in that the extrusion die includes phase
The first extrusion die and the second extrusion die mutually replaced, wherein, first extrusion die one end is connected by screw thread and extrusion die
Joint is connected, and the other end is provided with engagement sleeves in the slot of ladder transverse tube end, and the edge of opening of the slot is provided with slot recess.
6. the equipment according to claim 5 for ladder pressing and forming, it is characterised in that the mold and lower mould
End be respectively equipped with the mold recess and lower mould recess being engaged with the slot recess.
7. the equipment according to claim 5 for ladder pressing and forming, it is characterised in that second extrusion die one
End is connected by screw thread with extrusion die connector, and the other end is inserted into the plug of ladder transverse tube, and and plug provided with coordinating
The press section linked into an integrated entity, the end of the press section is provided with annular groove.
8. the equipment according to claim 5 for ladder pressing and forming, it is characterised in that second extrusion die is also
Including screw nipple, internal thread, threaded one end connection extrusion die connector, other end spiral shell are provided with the screw nipple
Line connects the back segment of press section.
9. a kind of technique on equipment pressing ladder transverse tube and terraced side any one of utilization claim 1-8, its feature exists, had
Body comprises the following steps：
Step S100：Fixed ladder transverse tube：Ladder transverse tube is placed in lower mould and its two ends is symmetrically dispersed in lower mould
The outside of tool, then moves down mold until ladder transverse tube is fixed；
Step S200：Extrude for the first time：Start the lower ambilateral pressing mechanism of mould, at the same extrude ladder transverse tube two ends make its by
Outwards heave deformation and form a circle projection in the position of nearly upper/lower die；
Step S300：Terraced side is installed：Terraced side with through hole is inserted on ladder transverse tube from two ends respectively and it is close to projection；
Step S400：Second of extruding：The ladder transverse tube that two ends are provided with into terraced side again is put into lower mould, utilizes mold
It is fixed, now, pressing mechanism is located at terraced side both sides, starts pressing mechanism and ladder transverse tube end is carried out to extrude for the second time,
Its deformation is set to be pressed on terraced side, so that the pressing completed between ladder transverse tube and terraced side is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710369930.8A CN107008788A (en) | 2017-05-23 | 2017-05-23 | A kind of equipment and process for pressing for ladder pressing and forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710369930.8A CN107008788A (en) | 2017-05-23 | 2017-05-23 | A kind of equipment and process for pressing for ladder pressing and forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107008788A true CN107008788A (en) | 2017-08-04 |
Family
ID=59451379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710369930.8A Pending CN107008788A (en) | 2017-05-23 | 2017-05-23 | A kind of equipment and process for pressing for ladder pressing and forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107008788A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284166A (en) * | 2018-02-12 | 2018-07-17 | 天津市广达现代机械制造有限公司 | A kind of Full-automatic copper bushing process equipment and processing method |
| CN110153293A (en) * | 2018-02-05 | 2019-08-23 | 苏州昶兴科技有限公司 | A kind of seat Height-adjusting device squeezes salient mounting and sets and squeeze convex technique |
| CN113562231A (en) * | 2020-04-28 | 2021-10-29 | 青岛金玖能源科技有限公司 | High-efficient type vacuum heat sealing machine with direction function |
| CN114199877A (en) * | 2021-12-14 | 2022-03-18 | 路德通电子设备（北京）有限公司 | Be applied to supplementary detection device of light of two production facility of borduring of graphite flake |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3119435A (en) * | 1961-08-11 | 1964-01-28 | Greenman Murry | Apparatus for connecting presemiflanged rungs to preapertured spaced ladder rails |
| US4293991A (en) * | 1979-09-17 | 1981-10-13 | William Bailey | Apparatus for assembling ladder-type frames |
| JPS60109486A (en) * | 1983-11-17 | 1985-06-14 | 長谷川工業株式会社 | Production of metal ladder |
| CN102950183A (en) * | 2011-08-24 | 2013-03-06 | 天津市庆泰建筑机械有限公司 | Improved flanging machine for processing cross bars of ladder |
| CN206936083U (en) * | 2017-05-23 | 2018-01-30 | 佛山维可斯脚手架有限公司 | A kind of equipment for ladder pressing and forming |
-
2017
- 2017-05-23 CN CN201710369930.8A patent/CN107008788A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3119435A (en) * | 1961-08-11 | 1964-01-28 | Greenman Murry | Apparatus for connecting presemiflanged rungs to preapertured spaced ladder rails |
| US4293991A (en) * | 1979-09-17 | 1981-10-13 | William Bailey | Apparatus for assembling ladder-type frames |
| JPS60109486A (en) * | 1983-11-17 | 1985-06-14 | 長谷川工業株式会社 | Production of metal ladder |
| CN102950183A (en) * | 2011-08-24 | 2013-03-06 | 天津市庆泰建筑机械有限公司 | Improved flanging machine for processing cross bars of ladder |
| CN206936083U (en) * | 2017-05-23 | 2018-01-30 | 佛山维可斯脚手架有限公司 | A kind of equipment for ladder pressing and forming |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153293A (en) * | 2018-02-05 | 2019-08-23 | 苏州昶兴科技有限公司 | A kind of seat Height-adjusting device squeezes salient mounting and sets and squeeze convex technique |
| CN108284166A (en) * | 2018-02-12 | 2018-07-17 | 天津市广达现代机械制造有限公司 | A kind of Full-automatic copper bushing process equipment and processing method |
| CN113562231A (en) * | 2020-04-28 | 2021-10-29 | 青岛金玖能源科技有限公司 | High-efficient type vacuum heat sealing machine with direction function |
| CN114199877A (en) * | 2021-12-14 | 2022-03-18 | 路德通电子设备（北京）有限公司 | Be applied to supplementary detection device of light of two production facility of borduring of graphite flake |
| CN114199877B (en) * | 2021-12-14 | 2024-04-26 | 路德通电子设备（北京）有限公司 | Light auxiliary detection device applied to graphite flake double-edge-wrapping production equipment |
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Application publication date: 20170804 |