CN111957820A - Rectangular pipe side punching tool - Google Patents
Rectangular pipe side punching tool Download PDFInfo
- Publication number
- CN111957820A CN111957820A CN202010646295.5A CN202010646295A CN111957820A CN 111957820 A CN111957820 A CN 111957820A CN 202010646295 A CN202010646295 A CN 202010646295A CN 111957820 A CN111957820 A CN 111957820A
- Authority
- CN
- China
- Prior art keywords
- punch
- positioning
- rectangular
- upper die
- punching tool
- 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.)
- Pending
Links
- 238000004080 punching Methods 0.000 title claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 230000000875 corresponding Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001429 stepping 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Abstract
The invention discloses a rectangular tube side face punching tool which comprises an upper die and a lower die which are arranged up and down correspondingly, wherein the upper die comprises an upper die top plate and two pressing blocks arranged on the bottom surface of the upper die top plate, the bottom of the inner side face of each pressing block is an inclined plane I and is gradually close to the outer side face from top to bottom, the lower die comprises a lower die bottom plate and a rectangular tube positioning assembly arranged on the top surface of the lower die bottom plate, two sides of each positioning assembly are respectively provided with a punching mechanism, each punching mechanism comprises a sliding groove, a sliding block, a punching head and an elastic piece, the sliding block is arranged in the sliding groove, the top of the side face of the sliding block, which. According to the invention, through the matching of the inclined planes I of the two press blocks at the bottom of the upper die top plate and the inclined planes II of the slide blocks, the vertical motion of the upper die top plate is converted into the horizontal motion of the slide blocks, the slide blocks on two sides of the rectangular pipe simultaneously drive the punches to simultaneously punch holes on opposite surfaces of the rectangular pipe, the processing efficiency is higher, and the position degrees of two holes are ensured.
Description
Technical Field
The invention relates to the technical field of machining equipment, in particular to a rectangular pipe side face punching tool.
Background
In the existing rectangular pipe drilling processing, partial rectangular pipes need to be drilled on two opposite side walls, the existing common processing method is to drill through a drilling machine, but the production efficiency of the drilling machine is low, and the position degrees of two holes are difficult to guarantee.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a rectangular pipe side face punching tool.
The technical scheme adopted by the invention is as follows:
a punching tool for the side surface of a rectangular pipe comprises an upper die and a lower die which are arranged up and down correspondingly, wherein the upper die comprises an upper die top plate and two pressing blocks which are oppositely arranged on the bottom surface of the upper die top plate, the bottom of the inner side surface of the pressing block is a first inclined surface and is gradually close to the outer side surface from top to bottom, the lower die comprises a lower die bottom plate and a rectangular tube positioning assembly arranged on the top surface of the lower die bottom plate, the positioning component is positioned between the two pressing blocks, both sides of the positioning component are respectively provided with a punching mechanism, the punching mechanism comprises a sliding groove, a sliding block, a punching head and an elastic piece, the sliding block is arranged in the sliding groove, the top of the side surface of the sliding block facing the corresponding pressing block is a second inclined surface matched with the first inclined surface of the pressing block, the punch is arranged on the other side of the sliding block, the elastic piece is sleeved on the head of the punch in a cylindrical shape, and when the elastic piece is in an unfolding state, the head of the punch is located in the elastic piece.
Preferably, the elastic member is made of rubber.
Preferably, the inner side of one end of the elastic element close to the tail part of the punch is fixedly connected with the periphery of the punch.
Preferably, the outer diameter of the tail part of the punch is larger than that of the head part of the punch to form a step, and the inner diameter of the elastic part is smaller than that of the tail part of the punch.
Preferably, the positioning assembly comprises two positioning blocks and a supporting piece which are arranged oppositely, the shapes of the outer side, the top surface and the bottom surface of each positioning block are matched with the shapes of the inner side wall, the inner side of the top wall and the inner side of the bottom wall of the rectangular pipe, the distance between the outer side surfaces of the two positioning blocks is matched with the distance between the two inner side walls of the rectangular pipe, the supporting piece is positioned below the middle of the two positioning blocks, and the distance between the top surface of the supporting piece and the bottom surface of the positioning block is matched with the wall thickness of the rectangular.
Preferably, the outer side surfaces of the two positioning blocks are provided with abdicating holes corresponding to the head of the punch.
Preferably, the upper die top plate is provided with a positioning hole, and the lower die bottom plate is provided with a positioning column corresponding to the positioning hole.
Preferably, the bottom surface of the upper die top plate is provided with a first limiting column, the top surface of the lower die bottom plate is provided with a second limiting column, and the bottom surface of the first limiting column is in contact with the top surface of the second limiting column when the punch moves to the punching stroke end point.
The invention has the beneficial effects that: adopt locating component to fix a position the rectangular pipe, through the cooperation of the inclined plane one of two briquetting of last die roof bottom and the inclined plane two of slider, will go up the vertical motion of die roof and turn into the horizontal motion of slider, the slider by the rectangular pipe both sides drives the drift simultaneously and punches a hole the processing to the opposite face of rectangular pipe simultaneously, and the higher and two hole site degrees of machining efficiency are guaranteed, and the rectangular pipe part non-deformable that punches a hole.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an upper mold in an embodiment of the present invention;
FIG. 3 is a schematic structural view of a lower die, a positioning assembly and a punching mechanism in an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a slider according to an embodiment of the present invention;
reference numerals: 10. the device comprises an upper die, 11, an upper die top plate, 12, a pressing block, 13, a first inclined plane, 14, a positioning hole, 15, a first limiting column, 20, a lower die, 21, a lower die bottom plate, 22, a positioning column, 23, a second limiting column, 24, a limiting block, 30, a positioning assembly, 31, a positioning block, 32, a yielding hole, 33, a supporting piece, 40, a punching mechanism, 41, a sliding groove, 42, a sliding block, 43, a second inclined plane, 44, a punch, 45, an elastic piece, 50 and a rectangular tube.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1-4, a rectangular pipe side punching tool comprises an upper die and a lower die which are correspondingly arranged up and down, the upper die comprises an upper die top plate and two pressing blocks oppositely arranged on the bottom surface of the upper die top plate, the bottom of the inner side surface of each pressing block is a first inclined surface and is gradually close to the outer side surface from top to bottom, the lower die comprises a lower die bottom plate and a rectangular tube positioning component arranged on the top surface of the lower die bottom plate, the positioning component is positioned between two pressing blocks, two sides of the positioning component are respectively provided with a punching mechanism, the punching mechanism comprises a chute, a slide block, a punch and an elastic piece, the slide block is arranged in the sliding groove, the top of the side surface of the slide block facing to the corresponding press block is a second inclined surface matched with the first inclined surface of the press block, the punch is arranged on the other side of the sliding block, the elastic piece is sleeved on the head of the punch in a cylindrical shape, and when the elastic piece is in an unfolding state, the head of the punch is located in the elastic piece.
When the punching die is used, the rectangular pipe is fixed through the positioning assembly, one group of opposite surfaces of the rectangular pipe is respectively opposite to the two punching mechanisms, the upper die is driven to move downwards, the sliding block is extruded and moved towards the direction of the rectangular pipe through the matching of the first inclined surface of the pressing block and the second inclined surface of the sliding block, and the sliding block drives the punching head to punch holes on the side wall of the rectangular pipe in the moving process. The elastic piece is used for driving the punch and the sliding block to reset after the upper die resets.
In one embodiment, the elastic member is made of rubber.
In one embodiment, the inner side of one end of the elastic element close to the tail part of the punch is fixedly connected with the periphery of the punch.
The elastic piece can be fixedly connected with the punch through the end part of the elastic piece to limit and avoid falling off from the punch.
In one embodiment, the outer diameter of the tail part of the punch is larger than that of the head part of the punch to form a step, and the inner diameter of the elastic part is smaller than that of the tail part of the punch.
The elastic part can be limited by forming a step on the punch, and the elastic part is limited by the step surface, of course, the distance between the head end surface of the punch and the positioning assembly is smaller than the length of the elastic part, so that the elastic part is prevented from falling off.
In one embodiment, the positioning assembly comprises two positioning blocks and a supporting piece, wherein the positioning blocks are arranged oppositely, the shapes of the outer side, the top surface and the bottom surface of each positioning block are matched with the shapes of the inner side wall, the inner side of the top wall and the inner side of the bottom wall of the rectangular pipe, the distance between the outer side surfaces of the two positioning blocks is matched with the distance between the two inner side walls of the rectangular pipe, the supporting piece is positioned below the middle of the two positioning blocks, and the distance between the top surface of the supporting piece and the bottom surface of the positioning block is matched with the wall.
When the rectangular pipe is installed, the rectangular pipe is movably sleeved outside the two positioning blocks along the supporting piece, and the rectangular pipe is positioned and fixed by the positioning blocks.
In one embodiment, the outer side surfaces of the two positioning blocks are provided with abdicating holes corresponding to the heads of the punches.
The hole of stepping down can avoid drift and locating piece collision.
In one embodiment, the upper die top plate is provided with a positioning hole, and the lower die bottom plate is provided with a positioning column corresponding to the positioning hole.
The positioning column is matched with the positioning hole and used for guiding and positioning in the up-and-down moving process of the upper die base plate.
In one embodiment, a first limiting column is arranged on the bottom surface of the upper die top plate, a second limiting column is arranged on the top surface of the lower die bottom plate, and the bottom surface of the first limiting column is in contact with the top surface of the second limiting column when the punch moves to the end point of the punching stroke.
The first limiting column and the second limiting column are used for limiting the upper die base plate in the descending process of the upper die base plate, and the upper die base plate is prevented from descending beyond a proper stroke.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. The utility model provides a rectangular pipe side frock of punching a hole, its characterized in that corresponds last mould (10) and lower mould (20) that sets up including from top to bottom, go up mould (10) including last mould roof (11) and locate two briquetting (12) of mould roof (11) bottom surface relatively, the medial surface bottom of briquetting (12) is inclined plane (13) and is close to the lateral surface from last to bottom gradually, lower mould (20) include lower mould bottom plate (21) and locate rectangular pipe (50) locating component (30) of lower mould bottom plate (21) top surface, locating component (30) are located between two briquetting (12), the both sides of locating component (30) are equipped with respectively and punch a mechanism (40), punch mechanism (40) include spout (41), slider (42), drift (44) and elastic component (45), slider (42) are located in spout (41), slider (42) are towards the side top that corresponds briquetting (12) for cooperating with inclined plane (13) of briquetting (12) The punch head (44) is arranged on the other side of the sliding block (42), the elastic piece (45) is sleeved on the head of the punch head (44) in a cylindrical shape, and when the elastic piece (45) is in an unfolding state, the head of the punch head (44) is located in the elastic piece (45).
2. The rectangular tube side punching tool according to claim 1, wherein the elastic member (45) is made of rubber.
3. The rectangular tube side punching tool according to claim 2, wherein the inner side of one end of the elastic member (45) close to the tail of the punch (44) is fixedly connected with the periphery of the punch (44).
4. The rectangular tube side punching tool according to claim 2, wherein the outer diameter of the tail portion of the punch (44) is larger than the outer diameter of the head portion to form a step, and the inner diameter of the elastic member (45) is smaller than the outer diameter of the tail portion of the punch (44).
5. The rectangular pipe side punching tool according to claim 1, wherein the positioning assembly (30) comprises two positioning blocks (31) and supporting pieces (33) which are arranged oppositely, the shapes of the outer sides, the top surfaces and the bottom surfaces of the positioning blocks (31) are matched with the shapes of the inner side walls, the inner sides of the top walls and the inner sides of the bottom walls of the rectangular pipes (50), the distance between the outer side surfaces of the two positioning blocks (31) is matched with the distance between the two inner side walls of the rectangular pipes (50), the supporting pieces (33) are located below the middles of the two positioning blocks (31), and the distance between the top surfaces of the supporting pieces (33) and the bottom surfaces of the positioning blocks (31) is matched with the wall thickness of the rectangular pipes (50).
6. The rectangular pipe side punching tool according to claim 1, wherein the outer side faces of the two positioning blocks (31) are provided with abdicating holes (32) corresponding to the heads of the punches (44).
7. The rectangular tube side punching tool according to claim 1, wherein a positioning hole (14) is formed in the upper die top plate (11), and a positioning column (22) corresponding to the positioning hole (14) is formed in the lower die bottom plate (21).
8. The rectangular tube side punching tool according to claim 7, wherein a first limiting column (15) is arranged on the bottom surface of the upper die top plate (11), a second limiting column (23) is arranged on the top surface of the lower die bottom plate (21), and the bottom surface of the first limiting column (15) is in contact with the top surface of the second limiting column (23) when the punch (44) moves to the punching stroke end point.
9. The rectangular tube side punching tool according to claim 1, wherein the top surface of the lower die base plate (20) is provided with a limiting block (24) which is respectively matched with the two pressing blocks (12), and the limiting block (24) is arranged on one side surface of the two pressing blocks (12) which is away from the pressing blocks and is in contact with the pressing blocks (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010646295.5A CN111957820A (en) | 2020-07-07 | 2020-07-07 | Rectangular pipe side punching tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010646295.5A CN111957820A (en) | 2020-07-07 | 2020-07-07 | Rectangular pipe side punching tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111957820A true CN111957820A (en) | 2020-11-20 |
Family
ID=73360897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010646295.5A Pending CN111957820A (en) | 2020-07-07 | 2020-07-07 | Rectangular pipe side punching tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111957820A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355130A (en) * | 2020-11-25 | 2021-02-12 | 王凯 | Square stainless steel pipe fixed-distance punching device |
-
2020
- 2020-07-07 CN CN202010646295.5A patent/CN111957820A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355130A (en) * | 2020-11-25 | 2021-02-12 | 王凯 | Square stainless steel pipe fixed-distance punching device |
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