CN111589956A - Forming die of vertical rod self-locking device for scaffold - Google Patents
Forming die of vertical rod self-locking device for scaffold Download PDFInfo
- Publication number
- CN111589956A CN111589956A CN202010482403.XA CN202010482403A CN111589956A CN 111589956 A CN111589956 A CN 111589956A CN 202010482403 A CN202010482403 A CN 202010482403A CN 111589956 A CN111589956 A CN 111589956A
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- die
- hole
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- diameter
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- 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
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- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
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- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention relates to a forming die of a vertical rod self-locking device for a scaffold, which is characterized in that: comprises a punching die and a reducing die; according to the invention, the punching structures are arranged on the inner die base and the outer die base, so that holes at multiple positions on the self-locking device can be punched simultaneously, and the punching efficiency of the self-locking device is improved; in addition, when the diameter is changed, the adopted diameter changing die can meet the production requirements of diameter reduction at the top end and diameter expansion at the bottom end of the self-locking device at the same time, equipment does not need to be replaced in the middle, and the diameter changing efficiency of the self-locking device is improved; by adopting the forming die, the self-locking device can punch holes simultaneously, the two ends can be changed in diameter simultaneously, and the production efficiency is multiplied.
Description
Technical Field
The invention relates to the field of scaffold upright rod self-locking devices, in particular to a forming die of an upright rod self-locking device for a scaffold.
Background
When the upright posts on the scaffold are connected, the ends of the two connected upright posts are nested to realize connection usually in a sleeve mode, and the sleeve is fixed on the ends of the upright posts of the scaffold in a locking mode of bolts or bolts to prevent the sleeve from being separated from a locking position; after the nesting, the steps of hole aligning and bolt inserting are needed, so that the problem of low installation efficiency is caused; the self-locking device shown in fig. 1 can realize self-locking of a vertical rod on a scaffold and realize self-locking of a self-locking barrel through vertical displacement and rotation operation; meanwhile, the later-stage disassembly is facilitated, the upright rods are not required to be connected in a plug-in pin mode, and the mounting efficiency between the upright rods of the scaffold is improved.
The self-locking device mainly relates to the processes of punching and end reducing of the self-locking device in the production process, and because the self-locking device is of a cylindrical structure, a common horizontal hole opening mode is not suitable for hole opening of the self-locking device, and the production efficiency is low in a general processing mode of adopting a rotary mode to perform flaring and necking.
Disclosure of Invention
The invention aims to solve the technical problem of providing a forming die of a vertical rod self-locking device for a scaffold, which can solve the problems of troublesome punching and complicated diameter-changing procedures of the self-locking device.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a pole setting self-lock device's forming die for scaffold frame, its innovation point lies in: comprises a punching die and a reducing die;
the punching die comprises an inner die seat and an outer die seat, the outer die seat is of a cuboid structure, and a circular mounting hole for accommodating the inner die seat is formed in the center of the outer die seat; the inner die base is arranged in the circular mounting hole of the outer die base, and a spacing block is arranged between the bottom end of the inner wall of the outer die base and the bottom end of the outer wall of the inner die base, so that a gap for accommodating the self-locking device is formed between the outer die base and the inner die base;
a first outer mold punching hole, a second outer mold punching hole and an L-shaped groove outer mold punching hole which penetrate through the outer mold base are sequentially arranged on the outer mold base from top to bottom; the inner die base is respectively provided with a first inner die punching hole, a second inner die punching hole and an L-shaped groove inner die punching hole which correspond to the first outer die punching hole, the second outer die punching hole and the L-shaped groove outer die punching hole from top to bottom; the inner die base is provided with a stripping hole penetrating through the inner die base along the axis direction;
the reducing die comprises an expanding bottom die and a reducing pressing die; the expanded bottom die is of a boss-shaped structure, the bottom end of the expanded bottom die is horizontally arranged, and the outer side profile of the expanded bottom die is of an inwards concave arc-shaped structure; the diameter-reducing die is of a cylindrical structure, a cylindrical hole for accommodating the self-locking device is formed in the bottom end of the diameter-reducing die along the axis direction, the cylindrical hole of the diameter-reducing die is nested on the diameter-expanding bottom die and matched with the outer contour of the diameter-expanding bottom die, a forming boss is arranged on the inner wall of the top end of the cylindrical hole of the diameter-reducing die, and a forming die cavity for accommodating the top end of the self-locking device is formed between the side wall of the top end of the cylindrical hole and the forming boss.
Further, the expanding bottom die comprises a cylinder section and a round table section, the cylinder section and the round table section are coaxially arranged, the joint of the cylinder section and the round table section is in arc transition, and the arc transition is a concave arc with the outer diameter gradually increasing from top to bottom.
Furthermore, a bolt hole is formed in the bottom end face of the expanding bottom die along the axis direction.
Further, the top lateral wall in the cylinder hole of undergauge moulding-die includes broken line direction section and straightway, the one end and the cylinder downthehole wall of broken line direction section link to each other, and broken line direction section is the structure of inboard slope from bottom to top, the both ends of straightway are connected respectively on the other end of broken line direction section and the top in cylinder hole.
The invention has the advantages that:
1) according to the invention, the punching structures are arranged on the inner die base and the outer die base, so that holes at multiple positions on the self-locking device can be punched simultaneously, and the punching efficiency of the self-locking device is improved; in addition, when the diameter is changed, the adopted diameter changing die can meet the production requirements of diameter reduction at the top end and diameter expansion at the bottom end of the self-locking device at the same time, equipment does not need to be replaced in the middle, and the diameter changing efficiency of the self-locking device is improved; by adopting the forming die, the self-locking device can punch holes simultaneously, the two ends can be changed in diameter simultaneously, and the production efficiency is multiplied.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a vertical rod self-locking device for a scaffold.
Fig. 2 is a top view of a punching die of a forming die of the vertical rod self-locking device for the scaffold.
Fig. 3 is a sectional view of a punching die A-A of a forming die of the vertical rod self-locking device for the scaffold.
Fig. 4 is a structure view of a reducing mold of a forming mold of a vertical rod self-locking device for a scaffold.
Fig. 5 is a schematic view of the diameter-variable state of the diameter-variable die of the forming die of the pole self-locking device for the scaffold.
Detailed Description
The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
The forming die of the pole self-locking device for the scaffold shown in fig. 1 to 5 comprises a punching die 1 and a reducing die 2.
The punching die 1 comprises an inner die base 11 and an outer die base 12, the outer die base 12 is of a cuboid structure, and a circular mounting hole for accommodating the inner die base 11 is formed in the center of the outer die base 12; the inner die base 11 is installed in a circular installation hole of the outer die base 12, and a spacer 13 is arranged between the bottom end of the inner wall of the outer die base 12 and the bottom end of the outer wall of the inner die base 11, so that a gap for accommodating the self-locking device is formed between the outer die base 12 and the inner die base 11.
A first outer die punching hole 121, a second outer die punching hole 122 and an L-shaped groove outer die punching hole 123 which penetrate through the outer die base are sequentially arranged on the outer die base 12 from top to bottom; a first inner die punching hole 111, a second inner die punching hole 112 and an L-shaped groove inner die punching hole 113 which correspond to the first outer die punching hole 121, the second outer die punching hole 122 and the L-shaped groove outer die punching hole 123 are respectively arranged on the inner die base 11 from top to bottom; the inner die base 11 is provided with a stripper hole 114 penetrating the inner die base in the axial direction.
The reducing die 2 comprises an expanding bottom die 21 and a reducing pressing die 22; the expanded bottom die 21 is of a boss-shaped structure, the bottom end of the expanded bottom die is horizontally arranged, and the outer side profile of the expanded bottom die 21 is of an inwards concave arc-shaped structure; the reducing pressing die 22 is of a cylindrical structure, a cylindrical hole for accommodating the self-locking device is formed in the bottom end of the reducing pressing die 22 along the axis direction, the cylindrical hole of the reducing pressing die 22 is nested on the expanding bottom die 21 and matched with the outer contour of the expanding bottom die 21, a forming boss 221 is arranged on the inner wall of the top end of the cylindrical hole of the reducing pressing die 22, and a forming die cavity 222 for accommodating the top end of the self-locking device is formed between the side wall of the top end of the cylindrical hole and the forming boss 221; a bolt hole 211 is formed in the bottom end surface of the expanding bottom die 21 along the axis direction; the expanding bottom die 21 comprises a column section 212 and a circular platform section 213, the column section 212 and the circular platform section 213 are coaxially arranged, the joint of the column section 212 and the circular platform section 213 is in arc transition, and the arc transition is a concave arc with the outer diameter gradually increasing from top to bottom; the top end side wall of the cylindrical hole of the reducing pressing die 22 comprises a folding line guide section 223 and a straight line section 224, one end of the folding line guide section 223 is connected with the inner wall of the cylindrical hole, the folding line guide section 223 is of an inward inclined structure from bottom to top, and two ends of the straight line section 224 are connected to the other end of the folding line guide section and the top end of the cylindrical hole respectively.
The working principle of the invention is as follows: according to the invention, a cut cylinder is embedded between an outer die seat 12 and an inner die seat 11 of a punching die 1, a punch head positioned in the horizontal direction can simultaneously punch holes from a first outer die punching hole 121, a second outer die punching hole 122 and an L-shaped groove outer die punching hole 123 on two sides to be matched with a first inner die punching hole 111, a second inner die punching hole 112 and an L-shaped groove inner die punching hole 113 on the inner die seat, and the punched waste is discharged through a stripping hole in the center of the inner die seat; after the process is finished, the self-locking device after punching is directly transferred and embedded on the expanding bottom die of the reducing die, then the reducing pressing die is embedded on the self-locking device and pressed down, and the two ends of the self-locking device are simultaneously molded by utilizing the molding cavity of the reducing pressing die and the outer contour of the expanding bottom die.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a pole setting self-lock device's forming die for scaffold frame which characterized in that: comprises a punching die and a reducing die;
the punching die comprises an inner die seat and an outer die seat, the outer die seat is of a cuboid structure, and a circular mounting hole for accommodating the inner die seat is formed in the center of the outer die seat; the inner die base is arranged in the circular mounting hole of the outer die base, and a spacing block is arranged between the bottom end of the inner wall of the outer die base and the bottom end of the outer wall of the inner die base, so that a gap for accommodating the self-locking device is formed between the outer die base and the inner die base;
a first outer mold punching hole, a second outer mold punching hole and an L-shaped groove outer mold punching hole which penetrate through the outer mold base are sequentially arranged on the outer mold base from top to bottom; the inner die base is respectively provided with a first inner die punching hole, a second inner die punching hole and an L-shaped groove inner die punching hole which correspond to the first outer die punching hole, the second outer die punching hole and the L-shaped groove outer die punching hole from top to bottom; the inner die base is provided with a stripping hole penetrating through the inner die base along the axis direction;
the reducing die comprises an expanding bottom die and a reducing pressing die; the expanded bottom die is of a boss-shaped structure, the bottom end of the expanded bottom die is horizontally arranged, and the outer side profile of the expanded bottom die is of an inwards concave arc-shaped structure; the diameter-reducing die is of a cylindrical structure, a cylindrical hole for accommodating the self-locking device is formed in the bottom end of the diameter-reducing die along the axis direction, the cylindrical hole of the diameter-reducing die is nested on the diameter-expanding bottom die and matched with the outer contour of the diameter-expanding bottom die, a forming boss is arranged on the inner wall of the top end of the cylindrical hole of the diameter-reducing die, and a forming die cavity for accommodating the top end of the self-locking device is formed between the side wall of the top end of the cylindrical hole and the forming boss.
2. The forming die of the vertical rod self-locking device for the scaffold as claimed in claim 1, wherein: the expanding bottom die comprises a cylinder section and a circular truncated cone section, the cylinder section and the circular truncated cone section are coaxially arranged, the joint of the cylinder section and the circular truncated cone section is in arc transition, and the arc transition is a concave arc with the outer diameter gradually increasing from top to bottom.
3. The forming die of the vertical rod self-locking device for the scaffold as claimed in claim 1, wherein: and a bolt hole is formed in the bottom end surface of the expanding bottom die along the axis direction.
4. The forming die of the vertical rod self-locking device for the scaffold as claimed in claim 1, wherein: the top lateral wall in the cylinder hole of undergauge moulding-die includes broken line direction section and straightway, the one end and the downthehole wall of cylinder of broken line direction section link to each other, and broken line direction section is the structure of inboard slope from bottom to top, the both ends of straightway are connected respectively on the other end of broken line direction section and the top in cylinder hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482403.XA CN111589956A (en) | 2020-06-01 | 2020-06-01 | Forming die of vertical rod self-locking device for scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482403.XA CN111589956A (en) | 2020-06-01 | 2020-06-01 | Forming die of vertical rod self-locking device for scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111589956A true CN111589956A (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010482403.XA Pending CN111589956A (en) | 2020-06-01 | 2020-06-01 | Forming die of vertical rod self-locking device for scaffold |
Country Status (1)
| Country | Link |
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| CN (1) | CN111589956A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112404241A (en) * | 2020-11-24 | 2021-02-26 | 南通隆嘉机械科技有限公司 | Pole setting auto-lock sleeve pipe molding system |
-
2020
- 2020-06-01 CN CN202010482403.XA patent/CN111589956A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112404241A (en) * | 2020-11-24 | 2021-02-26 | 南通隆嘉机械科技有限公司 | Pole setting auto-lock sleeve pipe molding system |
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