CN107824668B - Numerical control notching cutting die for heat exchanger wear-resistant tile - Google Patents
Numerical control notching cutting die for heat exchanger wear-resistant tile Download PDFInfo
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- CN107824668B CN107824668B CN201711290641.5A CN201711290641A CN107824668B CN 107824668 B CN107824668 B CN 107824668B CN 201711290641 A CN201711290641 A CN 201711290641A CN 107824668 B CN107824668 B CN 107824668B
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- die
- cutting
- upper die
- lower die
- punching
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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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a numerical control notching cutting die of a heat exchanger wear-resistant tile, which comprises: the upper die base and the lower die base are provided with a punching lower die and a cutting lower die at the top, slots are respectively arranged at two sides of the top of the punching lower die, a punching upper die is arranged at the bottom of the upper die base, notch blanking punches are respectively arranged at two sides of the bottom of the punching upper die, fixing bases are arranged at the top of the lower die base at two sides of the cutting lower die, vertical guide grooves are respectively arranged on the opposite inner walls of the two fixing bases, a cutting upper die is slidably arranged in the vertical guide grooves, a fixed base plate is arranged at the top of the cutting upper die, a reset spring is arranged between the fixed base plate and the cutting lower die, an air cylinder mounting plate is arranged at one side of the fixed base plate, an air cylinder is arranged on the air cylinder mounting plate, an air cylinder rod of the air cylinder is provided with an telescopic base plate, and the air cylinder can drive the telescopic base plate to move to or move out of the right below the upper die base in an open state. The beneficial effects of the invention are as follows: the steel belt can be cut off while being notched, the production process is simple, the production cost of enterprises is low, and the production efficiency is high.
Description
Technical Field
The invention relates to the technical field of heat exchanger component machining machinery, in particular to a numerical control notching cutting die for an abrasion-proof tile of a heat exchanger.
Background
In many power generation enterprises, coal is mainly used as fuel to supply heat energy, a large amount of flue gas is generated when the heat energy is supplied, a large amount of waste heat is contained in the flue gas, and a heat exchanger is generally used for efficiently recycling the waste heat in the flue gas. The heat exchanger comprises a plurality of layers of heat exchange tubes, and when flue gas enters the heat exchanger, large-particle smoke dust can collide with the heat exchange tubes, so that the heat exchange tubes are damaged, and the service life of the whole heat exchanger is shortened. In order to prevent the heat exchange tubes from being impacted and damaged by large-particle smoke dust in the use process, generally, U-shaped comb-shaped wear-resistant tiles for blocking the smoke facing surface of each heat exchange tube are respectively arranged right in front of the first heat exchange tube on the smoke facing side of each heat exchange tube. The U-shaped comb-shaped wear-resistant tile is produced by the following steps: firstly cutting off and blanking the steel belt on a cutting-off die according to the actual demand length, then punching grooves on two sides of the cut steel belt on a punching die, and then bending the punched steel belt into a U shape. The production process of the U-shaped comb-shaped wear-resistant tile has the following defects: in the production process, two independent moulds are required to be used, at least two persons are required to operate to finish the cutting and notching procedures of the steel belt, notching and cutting operations of the steel belt cannot be finished on one set of mould at the same time, continuous notching and cutting cannot be performed, the production procedures are complex, the production cost of enterprises is high, and the production efficiency is lower.
Disclosure of Invention
The invention aims to provide a notching cutting die for a heat exchanger wear-resistant tile, which can cut off a steel belt while notching the steel belt and has high working efficiency.
In order to achieve the above purpose, the invention adopts the following technical scheme: the numerical control notching cutting die of the heat exchanger wear-resistant tile comprises: the upper die holder and the lower die holder are sequentially provided with a punching lower die and a cutting lower die side by side along the forward advancing direction of the steel belt at the top of the lower die holder, slots matched with the anti-abrasion tile slot openings are symmetrically arranged at the left side and the right side of the top of the punching lower die respectively, a punching upper die is arranged at the bottom of the upper die holder right above the punching lower die, slot punching punches which can be just inserted into slots at the corresponding sides below are respectively arranged at the left side and the right side of the bottom of the punching upper die respectively, fixing seats are respectively arranged at the top of the lower die holder at the left side and the right side of the cutting lower die, a pair of vertical guide slots are symmetrically arranged on the opposite inner walls of the two fixing seats, a cutting upper die which is matched with a cutting lower die to cut a punched steel belt is arranged in the pair of vertical guide grooves in a sliding manner, a fixed base plate which is positioned under an upper die holder is arranged at the top of the cutting upper die, a plurality of reset springs are arranged between the fixed base plate and the cutting lower die, the reset springs enable the cutting upper die to always have a trend of moving upwards to leave the cutting lower die, an air cylinder mounting plate is arranged on one side of the fixed base plate, an air cylinder is horizontally arranged on the air cylinder mounting plate, a telescopic base plate which can move along the upper surface of the fixed base plate is arranged on a piston rod of the air cylinder, and the piston rod of the air cylinder can stretch to drive the telescopic base plate to move inwards to be under the upper die holder in an open die state or move outwards to be under the upper die holder in an open die state; when the cylinder drives the telescopic backing plate to move out of the position right below the upper die holder in the die opening state, the upper die holder downwards drives the upper die for punching and the lower die for punching to be matched with each other, so that the upper die holder cannot push the upper die to move downwards along the side wall of the lower die for cutting, and the upper die cannot be matched with the lower die for cutting the punched steel strip placed on the lower die; when the cylinder drives the telescopic backing plate to move inwards to the position right below the upper die holder in the die opening state, the upper die holder drives the upper die for punching and the lower die for punching to be matched with each other, and in the process that the notch blanking punch is inserted into the slot to punch the steel strip placed on the upper die for punching, the upper die holder presses the telescopic backing plate to synchronously push the upper die for cutting to move downwards along the side wall of the lower die for cutting, so that the upper die for cutting can be matched with the lower die for cutting to synchronously cut the punched steel strip placed on the lower die for cutting.
Further, the numerical control notching cutting die of the heat exchanger wear-resistant tile, wherein: the lower die holder in front of the inlet of the notching lower die is provided with a guiding and positioning mechanism for smoothly guiding the steel belt to the top of the notching lower die and cutting off the top of the lower die.
Further, the numerical control notching cutting die of the heat exchanger wear-resistant tile, wherein: the structure of the guiding and positioning mechanism is as follows: the left and right sides of the front of the inlet of the notching lower die are respectively provided with a mounting plate, each mounting plate is vertically provided with a guide pillar, each guide pillar is respectively and movably sleeved with a spool, and the two spools are matched together to position and guide the left and right positions of the wear-resistant tile.
Further, the numerical control notching cutting die of the heat exchanger wear-resistant tile, wherein: each mounting plate is mounted on the lower die holder in a left-right adjustable manner through a position adjusting assembly, and the structure of the position adjusting assembly comprises: the mounting plate is provided with kidney-shaped holes which run left and right and vertically penetrate through the mounting plate, each kidney-shaped hole is respectively penetrated with an adjusting bolt which is connected with the lower die holder in a downward threaded mode, when the adjusting bolts are screwed down, nuts of the adjusting bolts can clamp the mounting plate in a clamping mode relative to the lower die holder, and when the adjusting bolts are unscrewed up, the mounting plate can move left and right along the adjusting bolts through the kidney-shaped holes.
Further, the numerical control notching cutting die of the heat exchanger wear-resistant tile, wherein: the top of each fixing seat is respectively provided with a spring positioning groove for positioning a return spring.
Through implementation of the technical scheme, the invention has the beneficial effects that: the steel belt can be cut off while being notched, the production process is simple, the production cost of enterprises is low, and the production efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a numerical control notching cutting die of a heat exchanger wear-resistant tile in a die closing state.
Fig. 2 is a schematic perspective view of fig. 1.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
As shown in fig. 1 and 2, the numerical control notching cutting die for the wear-resistant tile of the heat exchanger comprises: the upper die holder 1 and the lower die holder 2 are sequentially provided with a punching lower die 3 and a cutting lower die 4 side by side along the forward advancing direction of the steel belt at the top of the lower die holder 1, slots 5 matched with the sizes of anti-abrasion tile slots are symmetrically arranged at the left and right sides of the top of the punching lower die 3 respectively, a punching upper die 6 is arranged at the bottom of the upper die holder 1 right above the punching lower die 3, notch blanking punches 7 which can be just inserted into corresponding side slots 5 below are respectively arranged at the left and right sides of the bottom of the punching upper die 6, fixing seats 8 are respectively arranged at the tops of the lower die holder 2 at the left and right sides of the cutting lower die 4, a pair of vertical guide grooves are symmetrically arranged on the opposite inner walls of the two fixing seats 8, a cutting upper die 9 matched with the cutting lower die 4 for cutting the punching steel belt is arranged in the pair of vertical guide grooves, a fixed base plate 10 which is positioned right below the upper die holder 1 is arranged at the top of the cutting upper die 9, a plurality of reset springs 11 are arranged between the fixed base plate 10 and the cutting lower die 4, the reset springs 11 enable the cutting upper die 9 to always move upwards and move away from the fixed base plate 10, a cylinder plate 13 is arranged at the upper die seat 13 or a telescopic cylinder 13 which can move towards the upper die cylinder 13 which is arranged at the upper end of the cylinder 13 and is arranged at the side of the cylinder 13, and the cylinder 13 is arranged at the upper end of the cylinder 13 which can be horizontally arranged along the upper mounting plate 13; when the air cylinder 13 drives the telescopic backing plate 14 to move out of the position right below the upper die holder 1 in the open die state, the upper die holder 1 drives the upper die 6 for punching and the lower die 3 for punching to be matched with each other, and the notch blanking punch 7 is inserted into the slot 5 to punch the steel strip placed on the upper die 6, the upper die holder 1 cannot push the upper die 9 for cutting to move downwards along the side wall of the lower die 4, so that the upper die 9 for cutting cannot be matched with the lower die 4 for cutting the punched steel strip placed on the lower die 4; when the air cylinder 13 drives the telescopic backing plate 14 to move inwards to be right below the upper die holder 1 in the open die state, the upper die holder 1 drives the upper die 6 for punching and the lower die 3 for punching to be matched with each other, and the notch blanking punch 7 is inserted into the slot 5 to punch the steel strip placed on the upper die 6, the upper die holder 1 presses the telescopic backing plate 14 to synchronously push the upper die 9 for cutting to move downwards along the side wall of the lower die 4, so that the upper die for cutting can be matched with the lower die 4 for synchronously cutting the punched steel strip placed on the lower die 4; in the embodiment, a guiding and positioning mechanism for smoothly guiding the steel strip to the top of the notching lower die 3 and cutting off the top of the lower die 4 is arranged on the lower die holder 2 in front of the entrance of the notching lower die 3; the structure of the guiding and positioning mechanism is as follows: the lower die holder 2 at the left and right sides of the front of the inlet of the notching lower die 3 is respectively provided with a mounting plate 15, each mounting plate 15 is vertically provided with a guide pillar 16, each guide pillar 16 is respectively and movably sleeved with a spool 17, and the two spools 17 are matched together to position and guide the left and right positions of the wear-resisting tile, so that a steel belt can be smoothly and accurately guided to the top of the notching lower die 3 and the top of the cutting lower die 4, and the working efficiency is greatly improved; in this embodiment, each mounting plate 15 is mounted on the lower die holder 2 in a laterally adjustable manner by a position adjusting assembly having a structure including: the mounting plate 15 is provided with kidney-shaped holes 18 which extend left and right and vertically penetrate through the mounting plate, each kidney-shaped hole 18 is respectively provided with an adjusting bolt 19 which is connected to the lower die holder 2 in a penetrating way in a threaded way, when the adjusting bolts 19 are screwed down, nuts of the adjusting bolts 19 can clamp the mounting plate 15 in a clamping way relative to the lower die holder 2, when the adjusting bolts 19 are unscrewed up, the mounting plate 15 can move left and right along the adjusting bolts 19 through the kidney-shaped holes 18, and the position adjusting assembly is simple in structure and convenient to install and maintain; in the present embodiment, spring positioning grooves 20 for positioning the return springs 11 are provided at the top of each fixing seat 8, respectively, so that the assembly efficiency can be improved;
the working principle of the invention is as follows:
when only the steel strip is required to be subjected to notching, the steel strip is moved onto the notching lower die 3 along the two I-shaped wheels 17, then the air cylinder 13 drives the telescopic backing plate 14 to be outwards moved out of the position right below the upper die holder 1 in the die opening state, then the upper die holder 1 is used for driving the notching upper die 6 and the notching lower die 3 to be mutually matched, and in the mutual matching process of the notching upper die 6 and the notching lower die 3, the notch blanking punch 7 at the bottom of the notching upper die 6 can be downwards inserted into the slot 5 on the notching lower die 3, so that the steel strip placed on the notching upper die 6 is notched; in the steel strip notching process, the lower travel amount of the upper cutting die 9 is insufficient and cannot move downwards along the side wall of the lower cutting die 4, so that the upper cutting die 9 cannot be matched with the lower cutting die to cut the steel strip in the notching process of the upper notching die 6 and the lower notching die 3;
when the steel strip is required to be notched and cut off, the air cylinder 13 drives the telescopic backing plate 14 to move inwards to be right below the upper die holder 1 in the open die state, then the upper die holder 1 drives the notching upper die 6 and the notching lower die 3 to be mutually clamped, and in the process of mutually clamping the notching upper die 6 and the notching lower die 3, the notch blanking punch 7 at the bottom of the notching upper die 6 can be downwards inserted into the slot 5 on the notching lower die 3, so that the steel strip placed on the notching upper die 6 is notched; in the process that the upper die holder 1 drives the notching upper die 6 to notching the steel strip downwards, the upper die holder 1 simultaneously presses the telescopic backing plate 14 to push the cutting upper die 9 to move downwards along the side wall of the cutting lower die 4, so that the cutting upper die can be matched with the cutting lower die 4 to synchronously cut the steel strip moving to the cutting lower die 4.
The beneficial effects of the invention are as follows: the steel belt can be cut off while being notched, the production process is simple, the production cost of enterprises is low, and the production efficiency is high.
Claims (5)
1. A digitally controlled notching cut-off die for a heat exchanger wear shoe, comprising: the upper die base and die holder, its characterized in that: the method comprises the steps that a lower punching die and a cutting lower die are sequentially arranged on the top of a lower die holder side by side along the forward advancing direction of a steel belt, slots matched with the anti-abrasion tile slot openings are symmetrically arranged on the left side and the right side of the top of the lower punching die respectively, an upper punching die is arranged at the bottom of an upper die holder right above the lower punching die, slot blanking punches which can be just inserted into slots on the corresponding side below are respectively arranged on the left side and the right side of the bottom of the upper punching die respectively, fixing seats are respectively arranged on the top of the lower die holder on the left side and the right side of the lower cutting die respectively, a pair of vertical guide grooves are symmetrically arranged on the opposite inner walls of the two fixing seats, a cutting upper die matched with the lower cutting die is arranged in the pair of vertical guide grooves in a sliding manner, a fixed base plate which is positioned right below the upper cutting upper die, a plurality of reset springs are arranged between the fixed base plate and the lower cutting upper die, the reset springs enable the cutting upper die to always have a trend of moving upwards and leaving the lower cutting lower die, a cylinder mounting plate is arranged on one side of the fixed base plate, a cylinder is horizontally mounted on the cylinder, a piston rod which can move along the upper surface of the fixed base plate, and the piston rod can stretch out and draw back to the upper die holder and stretch out to the upper die, and stretch out and draw back to the piston rod which can move towards the lower die side and the upper die position. When the cylinder drives the telescopic backing plate to move out of the position right below the upper die holder in the die opening state, the upper die holder downwards drives the upper die for punching and the lower die for punching to be matched with each other, so that the upper die holder cannot push the upper die to move downwards along the side wall of the lower die for cutting, and the upper die cannot be matched with the lower die for cutting the punched steel strip placed on the lower die; when the cylinder drives the telescopic backing plate to move inwards to the position right below the upper die holder in the die opening state, the upper die holder drives the upper die for punching and the lower die for punching to be matched with each other, and in the process that the notch blanking punch is inserted into the slot to punch the steel strip placed on the upper die for punching, the upper die holder presses the telescopic backing plate to synchronously push the upper die for cutting to move downwards along the side wall of the lower die for cutting, so that the upper die for cutting can be matched with the lower die for cutting to synchronously cut the punched steel strip placed on the lower die for cutting.
2. The numerically controlled notching and cutting die for a heat exchanger wear shoe of claim 1, wherein: the lower die holder in front of the inlet of the notching lower die is provided with a guiding and positioning mechanism for smoothly guiding the steel belt to the top of the notching lower die and cutting off the top of the lower die.
3. The numerically controlled notching and severing die for a heat exchanger wear shoe of claim 2, wherein: the structure of the guiding and positioning mechanism is as follows: the left and right sides of the front of the inlet of the notching lower die are respectively provided with a mounting plate, each mounting plate is vertically provided with a guide pillar, each guide pillar is respectively and movably sleeved with a spool, and the two spools are matched together to position and guide the left and right positions of the wear-resistant tile.
4. The numerically controlled notching and cutting die for a heat exchanger wear shoe of claim 3, wherein: each mounting plate is mounted on the lower die holder in a left-right adjustable manner through a position adjusting assembly, and the structure of the position adjusting assembly comprises: the mounting plate is provided with kidney-shaped holes which run left and right and vertically penetrate through the mounting plate, each kidney-shaped hole is respectively penetrated with an adjusting bolt which is connected with the lower die holder in a downward threaded mode, when the adjusting bolts are screwed down, nuts of the adjusting bolts can clamp the mounting plate in a clamping mode relative to the lower die holder, and when the adjusting bolts are unscrewed up, the mounting plate can move left and right along the adjusting bolts through the kidney-shaped holes.
5. The numerically controlled notching cut-off die for a heat exchanger wear shoe of claims 1 or 2 or 3 or 4, wherein: the top of each fixing seat is respectively provided with a spring positioning groove for positioning a return spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711290641.5A CN107824668B (en) | 2017-12-08 | 2017-12-08 | Numerical control notching cutting die for heat exchanger wear-resistant tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711290641.5A CN107824668B (en) | 2017-12-08 | 2017-12-08 | Numerical control notching cutting die for heat exchanger wear-resistant tile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107824668A CN107824668A (en) | 2018-03-23 |
| CN107824668B true CN107824668B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711290641.5A Active CN107824668B (en) | 2017-12-08 | 2017-12-08 | Numerical control notching cutting die for heat exchanger wear-resistant tile |
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| Country | Link |
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| CN (1) | CN107824668B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955340A (en) * | 2018-06-25 | 2018-12-07 | 孙菊萍 | A kind of Assembled environmental type heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733339A (en) * | 2008-11-20 | 2010-06-16 | 四平维克斯换热设备有限公司 | Manufacture method of sheets of V-shaped plate heat exchanger |
| CN202239177U (en) * | 2011-09-05 | 2012-05-30 | 南车长江车辆有限公司 | Adjustable blanking clearance cuts off mould |
| CN104525708A (en) * | 2014-12-14 | 2015-04-22 | 重庆天业模具冲压制造有限公司 | Side hole punching die of cylinder-shaped workpiece |
| CN205519162U (en) * | 2016-01-27 | 2016-08-31 | 哈尔滨电机厂（昆明）有限责任公司 | Motor stator lamination blanking mould for high speed notching press |
| CN207592538U (en) * | 2017-12-08 | 2018-07-10 | 江苏龙净节能科技有限公司 | A kind of numerical control jet-bedding knife edge die tool of heat exchanger wearing-resistant tile |
-
2017
- 2017-12-08 CN CN201711290641.5A patent/CN107824668B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733339A (en) * | 2008-11-20 | 2010-06-16 | 四平维克斯换热设备有限公司 | Manufacture method of sheets of V-shaped plate heat exchanger |
| CN202239177U (en) * | 2011-09-05 | 2012-05-30 | 南车长江车辆有限公司 | Adjustable blanking clearance cuts off mould |
| CN104525708A (en) * | 2014-12-14 | 2015-04-22 | 重庆天业模具冲压制造有限公司 | Side hole punching die of cylinder-shaped workpiece |
| CN205519162U (en) * | 2016-01-27 | 2016-08-31 | 哈尔滨电机厂（昆明）有限责任公司 | Motor stator lamination blanking mould for high speed notching press |
| CN207592538U (en) * | 2017-12-08 | 2018-07-10 | 江苏龙净节能科技有限公司 | A kind of numerical control jet-bedding knife edge die tool of heat exchanger wearing-resistant tile |
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| Publication number | Publication date |
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| CN107824668A (en) | 2018-03-23 |
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