CN117583464B - Copper aluminum bar punching die and punching process thereof - Google Patents
Copper aluminum bar punching die and punching process thereof Download PDFInfo
- Publication number
- CN117583464B CN117583464B CN202410070943.5A CN202410070943A CN117583464B CN 117583464 B CN117583464 B CN 117583464B CN 202410070943 A CN202410070943 A CN 202410070943A CN 117583464 B CN117583464 B CN 117583464B
- Authority
- CN
- China
- Prior art keywords
- block
- copper
- aluminum bar
- groove
- die
- 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.)
- Active
Links
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 238000004080 punching Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008569 process Effects 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 32
- 229910052782 aluminium Inorganic materials 0.000 claims description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 24
- 229910052802 copper Inorganic materials 0.000 claims description 24
- 239000010949 copper Substances 0.000 claims description 24
- 230000007306 turnover Effects 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- B21D28/34—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
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
-
- 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
- B21D28/04—Centering the work; Positioning the tools
-
- 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
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
-
- 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
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/14—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by turning devices, e.g. turn-tables
- B21D43/145—Turnover devices, i.e. by turning about a substantially horizontal axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to the technical field of punching dies, in particular to a copper-aluminum bar punching die and a punching process thereof; the invention relates to a punching die for copper aluminum bars, which comprises the following components: an upper die and a lower die; a stamping die head is arranged on the upper die; an auxiliary mechanism is arranged on the lower die; the auxiliary mechanism clamps two sides of the copper-aluminum bar in the process of closing the upper die and the lower die, so that the copper-aluminum bar is in a vertical state; according to the invention, the mounting block, the clamping blocks and the lower pressing block are arranged on the lower die, so that the lower die drives the lower pressing block to move in the downward die assembly process, the lower pressing block simultaneously pulls the two clamping blocks through the first transmission rope, and the two clamping blocks are clamped on two sides of the copper-aluminum bar, so that the copper-aluminum bar is kept in a vertical state, and further, the situation that when a worker places the copper-aluminum bar on the lower die, the copper-aluminum bar is inclined, the front end is in contact with the mounting block, the copper-aluminum bar is prevented from being inclined, and the position of a punched hole is prevented from being deviated.
Description
Technical Field
The invention relates to the technical field of punching dies, in particular to a copper-aluminum bar punching die and a punching process thereof.
Background
Copper bars and aluminum bars are two common conductive materials used in power transmission, heat conduction and electronic devices; the copper bar is made of a conductive material made of pure copper, has excellent conductive performance and heat conduction performance, and has lower resistance; the aluminum bar is made of pure aluminum or aluminum alloy, has lower density and higher conductivity, and is more applicable in the application with more strict weight limitation because of lower density of aluminum although the conductivity of aluminum is slightly poorer than that of copper;
punching holes are needed on the copper bars and the aluminum bars and are used for being connected with installation, fixation and circuits; when punching the copper-aluminum bar, a worker is required to hold the copper bar or the aluminum bar by hand, the copper bar or the aluminum bar extends into a punching die on the punching machine, the front end of the copper bar or the aluminum bar is propped against the die to be positioned, then the punching die is matched with the die, and a hole is punched on the copper bar or the aluminum bar;
When a worker stretches the copper bar or the aluminum bar into the die, the front end of the copper bar or the aluminum bar is in contact with the die, so that when the copper bar or the aluminum bar inclines in the die, the front end of the copper bar or the aluminum bar is not attached to the die, and when the punching machine drives the die to be matched, the position of a punched hole deviates, and limitation is caused.
Therefore, we propose a copper aluminum bar punching die and a punching process thereof.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a copper-aluminum bar punching die and a punching process thereof, overcomes the defects of the prior art and aims at solving the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a copper aluminum bar punching die, comprising:
an upper die and a lower die; a punching head is arranged on the upper die and is used for punching the copper-aluminum bars; an auxiliary mechanism is arranged on the lower die; and the auxiliary mechanism clamps two sides of the copper-aluminum bar in the die assembly process of the upper die and the lower die, so that the copper-aluminum bar is in a vertical state, and the front end of the copper-aluminum bar is in contact with the lower die.
Preferably, the auxiliary mechanism comprises a mounting block, a clamping block and a pressing block; the mounting block is fixedly connected with the lower die, and a clamping groove and a pressing groove are formed in the mounting block; the two clamping blocks are respectively and slidably connected in the two clamping grooves and are symmetrically arranged; the pressing groove penetrates through the mounting block; the lower pressing block is connected in the lower pressing groove in a sliding manner, and a first communicating groove is formed in the mounting block; two ends of the first communication groove are respectively communicated with the clamping groove and the pressing groove; a pair of steering rods are fixedly connected in the first communicating groove; a first return spring is fixedly connected between the clamping block and the wall of the clamping groove; a first transmission rope is fixedly connected to the clamping block; the other end of the first transmission rope bypasses the steering rod and is connected with the lower pressing block; the upper die is fixedly connected with an extrusion block; and a pressing spring is fixedly connected between the pressing block and the pressing groove.
Through setting up installation piece, grip block and briquetting down on the bed die for the bed die is at the in-process of mould down, drives briquetting down and removes, makes briquetting down through two grip blocks of drive rope simultaneous pulling, makes two grip blocks centre gripping in copper aluminium bar's both sides, thereby makes copper aluminium bar keep vertical state, and then can not appear the staff when placing copper aluminium bar on the bed die, copper aluminium bar slope, and the front end is contradicted with the installation piece the condition, prevents copper aluminium bar slope, the condition that the deviation appears in the hole position of beating appears.
Preferably, the lower die is provided with a pushing groove; a pushing block is connected in the pushing groove in a sliding way, and a second reset spring is fixedly connected in the pushing groove; the other end of the second reset spring is fixedly connected with the pushing block; a second communicating groove is formed in the mounting block and the lower die; a second transmission rope is fixedly connected to the pushing block; the other end of the second transmission rope is connected with the lower pressing block.
Preferably, three groups of sliding grooves are formed in the lower pressing block; the sliding block is connected in a sliding way in the sliding groove, and a sliding spring is fixedly connected in the sliding groove; the other end of the sliding spring is fixedly connected with the sliding block; the two first driving ropes are fixedly connected with the sliding blocks on two sides; the second transmission rope is fixedly connected with the middle sliding block; the middle slider length is longer than the sliders on both sides.
The pushing block is pulled by the second driving rope, so that the front end of the copper-aluminum bar is propped against the mounting block, the situation that the front end is not contacted with the mounting block when the copper-aluminum bar is not arranged in a vertical state by the clamping block is avoided, the use effect of the copper-aluminum bar is improved, meanwhile, the first driving rope and the second driving rope are driven between the sliding block and the lower pressing block, and therefore the situation that the clamping block clamps the copper-aluminum bar and the pushing block pushes the copper-aluminum bar to prop against the mounting block and then the lower pressing block continuously pulls the first driving rope and the second driving rope to damage the first driving rope and the second driving rope is avoided.
Preferably, the mounting block is provided with a turnover block; a turnover motor is fixedly connected in the turnover block; the output end of the turnover motor is fixedly connected with a U-shaped piece.
Preferably, the mounting block is provided with a telescopic groove; the telescopic groove is connected with a telescopic block in a sliding way; a telescopic electric push rod is fixedly connected in the telescopic groove; the output end of the telescopic electric push rod is fixedly connected with the telescopic block; the telescopic block is provided with a lifting groove; the overturning block is connected in the telescopic groove in a sliding way; a telescopic motor is fixedly connected in the telescopic groove; and the output end of the telescopic motor is fixedly connected with a screw rod which is in threaded fit with the overturning block.
Preferably, the U-shaped piece is symmetrically and fixedly connected with an elastic sheet.
By arranging the overturning block and the U-shaped piece, the copper-aluminum bar is overturned after punching of the copper-aluminum bar is completed, and the lower die performs punching operation again.
The process is suitable for the copper-aluminum bar punching die, and comprises the following steps:
S1, placing a copper aluminum bar on a lower die, enabling the lower die to move downwards, enabling an extrusion block to push a lower pressing block downwards, enabling the lower pressing block to drive a pushing block to push the copper aluminum bar through a second transmission rope, enabling the copper aluminum bar to be in contact with a mounting block, enabling a first transmission rope to drive a clamping block, and enabling the two clamping blocks to clamp two sides of the copper aluminum bar, so that the copper aluminum bar is kept vertical;
S2, punching holes on the copper-aluminum bars after the upper die and the lower die are matched, moving the upper die upwards, and pushing the block, the clamping block and the lower pressing block to return to the original positions;
S3, moving the telescopic block with the overturning block and the U-shaped piece, clamping the front end of the copper-aluminum bar by the U-shaped piece, moving the copper-aluminum bar upwards, overturning the U-shaped piece with the copper-aluminum bar for 180 degrees, then placing the copper-aluminum bar on the lower die, and carrying out die assembly operation again to flatten deformation generated when the copper-aluminum bar is punched for the first time.
The invention has the beneficial effects that:
1. According to the invention, the mounting block, the clamping blocks and the lower pressing block are arranged on the lower die, so that the lower die drives the lower pressing block to move in the downward die assembly process, the lower pressing block simultaneously pulls the two clamping blocks through the first transmission rope, and the two clamping blocks are clamped on two sides of the copper-aluminum bar, so that the copper-aluminum bar is kept in a vertical state, and further, the situation that when a worker places the copper-aluminum bar on the lower die, the copper-aluminum bar is inclined, the front end is in contact with the mounting block, the copper-aluminum bar is prevented from being inclined, and the position of a punched hole is prevented from being deviated.
2. According to the invention, the pushing block is pulled by the second driving rope, so that the front end of the copper-aluminum bar is propped against the mounting block, the situation that the front end is not contacted with the mounting block when the copper-aluminum bar is not placed into a vertical state by the clamping block is avoided, the use effect of the copper-aluminum bar is improved, meanwhile, the first driving rope and the second driving rope are driven between the sliding block and the lower pressing block, and therefore the situation that the first driving rope and the second driving rope are damaged by the lower pressing block after the clamping block clamps the copper-aluminum bar and the pushing block pushes the copper-aluminum bar to prop against the mounting block can be prevented.
3. According to the invention, the overturning block and the U-shaped piece are arranged, so that the copper-aluminum bar is overturned after the punching of the copper-aluminum bar is completed, the lower die performs punching operation again, and when the aluminum bar is punched, the periphery of the hole of the copper-aluminum bar is recessed downwards when the punching operation is performed because the material of the aluminum bar is softer, so that the aluminum bar is overturned after the punching is completed, the lower die moves downwards again, and deformed parts are flattened, so that the use effect of the aluminum bar punching machine is improved.
Drawings
FIG. 1 is a schematic structural view of a copper-aluminum bar punching die of the invention;
Fig. 2 is a schematic structural diagram of a copper-aluminum bar punching die under another view angle;
FIG. 3 is a cross-sectional view of the lower mold, pusher block, mounting block and lower press block from the cross-sectional view of A-A in FIG. 1;
FIG. 4 is an enlarged view at B in FIG. 2;
Fig. 5 is a cross-sectional view of the mounting block, clamping block and lower press block from the cross-sectional view of fig. 2C-C.
In the figure: 1. an upper die; 2. a lower die; 21. a mounting block; 22. a clamping block; 23. pressing the block; 24. a clamping groove; 25. pressing down the groove; 26. a first communicating groove; 27. a steering lever; 28. a first return spring; 29. a first transmission rope; 3. extruding a block; 31. pressing down the spring; 4. a pushing groove; 41. a pushing block; 42. a second return spring; 43. a second communicating groove; 44. a second transmission rope; 5. a sliding groove; 51. a sliding block; 52. a sliding spring; 6. a turnover block; 61. a turnover motor; 62. a U-shaped member; 63. a telescopic slot; 64. a telescopic block; 65. a telescopic electric push rod; 66. a lifting groove; 67. a telescopic motor; 68. an elastic sheet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one: referring to fig. 1 of the specification, a punching die for copper-aluminum bars comprises:
an upper die 1 and a lower die 2; a punching head is arranged on the upper die 1 to punch the copper-aluminum bars; an auxiliary mechanism is arranged on the lower die 2; in the die assembly process of the upper die 1 and the lower die 2, the auxiliary mechanism clamps two sides of the copper-aluminum bar, so that the copper-aluminum bar is in a vertical state, and the front end of the copper-aluminum bar is in contact with the lower die 2.
Referring to fig. 1,2 and 5 of the drawings, in the present invention, the auxiliary mechanism includes a mounting block 21, a clamping block 22 and a pressing block 23; the mounting block 21 is fixedly connected with the lower die 2, and a clamping groove 24 and a pressing groove 25 are formed in the mounting block 21; the two clamping blocks 22 are respectively and slidably connected in the two clamping grooves 24 and are symmetrically arranged; the pressing down groove 25 penetrates through the mounting block 21; the lower pressing block 23 is connected in a sliding way in the lower pressing groove 25, and a first communicating groove 26 is formed in the mounting block 21; both ends of the first communicating groove 26 are respectively communicated with the clamping groove 24 and the pressing groove 25; a pair of steering rods 27 are fixedly connected in the first communicating groove 26; a first return spring 28 is fixedly connected between the clamping block 22 and the wall of the clamping groove 24; a first transmission rope 29 is fixedly connected to the clamping block 22; the other end of the first transmission rope 29 bypasses the steering rod 27 and is connected with the lower pressing block 23; the upper die 1 is fixedly connected with an extrusion block 3; a pressing spring 31 is fixedly connected between the pressing block 23 and the pressing groove 25.
In the invention, an upper die 1 and a lower die 2 are arranged on the upper side and the lower side of a perforating machine through bolts, a worker places copper and aluminum on the lower die 2, then the perforating machine drives the upper die 1 to move downwards, an extrusion block 3 on the upper die 1 pushes a lower pressing block 23 downwards so that the lower pressing block 23 moves downwards, two clamping blocks 22 are pulled by two first transmission ropes 29 so that the two clamping blocks 22 move towards the copper and aluminum bars, the first reset springs 28 are stretched by the clamping blocks 22 until the two clamping blocks 22 clamp the two sides of the copper and aluminum bars so that the copper and aluminum bars keep a vertical state, holes are drilled on the copper and aluminum bars after the upper die 1 and the lower die 2 are clamped, then the upper die 1 moves upwards, the lower pressing block 23 returns to the original position under the driving of a lower pressing spring 31, and the two first reset springs 28 respectively pull the two clamping blocks 22 to move so that the two clamping blocks 22 return to the original position;
according to the invention, the mounting block 21, the clamping blocks 22 and the lower pressing block 23 are arranged on the lower die 2, so that the lower pressing block 23 is driven to move in the process of downward die assembly of the lower die 2, the lower pressing block 23 simultaneously pulls the two clamping blocks 22 through the first transmission rope 29, and the two clamping blocks 22 are clamped on two sides of the copper-aluminum bar, so that the copper-aluminum bar is kept in a vertical state, and further the situation that when a worker places the copper-aluminum bar on the lower die 2, the copper-aluminum bar is inclined, and the front end is in contact with the mounting block 21 is prevented, and the situation that the position of a punched hole is deviated is prevented.
In the invention, a pushing groove 4 is arranged on a lower die 2; a pushing block 41 is connected in a sliding way in the pushing groove 4, and a second return spring 42 is fixedly connected in the pushing groove 4; the other end of the second return spring 42 is fixedly connected with the pushing block 41; a second communicating groove 43 is formed in the mounting block 21 and the lower die 2; a second transmission rope 44 is fixedly connected to the pushing block 41; the other end of the second driving rope 44 is connected with the lower pressing block 23.
Referring to fig. 4 of the specification, in the present invention, three sets of sliding grooves 5 are formed in the lower pressing block 23; a sliding block 51 is connected in the sliding groove 5 in a sliding way, and a sliding spring 52 is fixedly connected in the sliding groove 5; the other end of the sliding spring 52 is fixedly connected with the sliding block 51; the two first driving ropes 29 are fixedly connected with sliding blocks 51 on two sides; the second transmission rope 44 is fixedly connected with the middle sliding block 51; the middle slider 51 is longer than the two side sliders 51.
In the invention, a copper aluminum bar is arranged on the lower die 2 and is contacted with the pushing block 41; when the lower pressing block 23 moves downwards, the lower pressing block 23 simultaneously pulls the second driving rope 44, so that the second driving rope 44 pulls the pushing block 41, the pushing block 41 drives the copper-aluminum bar to move, the front end of the copper-aluminum bar is contacted with the mounting block 21, the two clamping blocks 22 are clamped on two sides of the copper-aluminum bar, the front end of the copper-aluminum bar is abutted against the mounting block 21 when the copper-aluminum bar is placed into a vertical state by the clamping blocks 22, and the situation that the front end of the copper-aluminum bar is not contacted with the mounting block 21 when the copper-aluminum bar is placed into a vertical state by the clamping blocks 22 does not occur;
In the invention, the sliding block 51 is slidingly connected on the lower pressing block 23, the first driving rope 29 and the second driving rope 44 are fixedly connected on the corresponding sliding block 51, and the sliding spring 52 is fixedly connected with the sliding block 51, so that when the lower pressing block 23 moves downwards, the sliding block 51 pulls the first driving rope 29 and the second driving rope 44, when the two clamping blocks 22 are clamped on two sides of the copper aluminum bar, the first driving rope 29 pulls the corresponding sliding block 51 to stop moving, and the lower pressing block 23 continues to move downwards, the sliding spring 52 is extruded, and similarly, when the pushing block 41 pushes the copper aluminum bar to collide with the mounting block 21, the second driving rope 44 pulls the corresponding sliding block 51, so that the situation that the first driving rope 29 and the second driving rope 44 are continuously pulled to damage the first driving rope 29 and the second driving rope 44 does not occur;
According to the invention, the pushing block 41 is pulled by the second driving rope 44, so that the front end of the copper-aluminum bar is propped against the mounting block 21, the situation that the front end is not contacted with the mounting block 21 when the copper-aluminum bar is placed into a vertical state by the clamping block 22 does not occur, the situation that the first driving rope 29 and the second driving rope 44 are not contacted with the mounting block 21 is promoted, and meanwhile, the first driving rope 29 and the second driving rope 44 are driven between the sliding block 51 and the lower pressing block 23, so that the situation that the clamping block 22 clamps the copper-aluminum bar and the pushing block 41 pushes the copper-aluminum bar to be propped against the mounting block 21, and the lower pressing block 23 continues to pull the first driving rope 29 and the second driving rope 44, so that the first driving rope 29 and the second driving rope 44 are damaged is prevented.
Embodiment two: on the basis of the first embodiment, referring to fig. 3 of the specification, in the present invention, a turnover block 6 is provided on a mounting block 21; a turnover motor 61 is fixedly connected in the turnover block 6; the output end of the turnover motor 61 is fixedly connected with a U-shaped piece 62.
In the invention, the mounting block 21 is provided with a telescopic groove 63; a telescopic block 64 is slidably connected in the telescopic groove 63; a telescopic electric push rod 65 is fixedly connected in the telescopic groove 63; the output end of the telescopic electric push rod 65 is fixedly connected with a telescopic block 64; the telescopic block 64 is provided with a lifting groove 66; the overturning block 6 is connected in the telescopic groove 63 in a sliding way; a telescopic motor 67 is fixedly connected in the telescopic groove 63; the output end of the telescopic motor 67 is fixedly connected with a screw rod which is in threaded fit with the overturning block 6.
In the present invention, the U-shaped member 62 is symmetrically attached with the elastic piece 68.
In the invention, after punching of the copper-aluminum bar is completed, an upper die 1 moves upwards, a lifting motor drives a corresponding screw rod to rotate, so that a turnover block 6 moves downwards, then a telescopic electric push rod 65 pushes a telescopic block 64 to move, so that a U-shaped piece 62 clamps the upper side and the lower side of the front end of the copper-aluminum bar, then the turnover block 6 drives the U-shaped piece 62 and the copper-aluminum bar to move upwards, then the turnover motor 61 drives the U-shaped piece 62 and the copper-aluminum bar to rotate 180 degrees, so that the copper-aluminum bar turns over, then the copper-aluminum bar is placed on a lower die 2, the telescopic block 64 returns to the original position, and the lower die 2 moves downwards to perform die assembly; in the invention, the elastic sheets 68 on the U-shaped piece 62 keep a certain acting force when the upper side and the lower side of the U-shaped piece 62 clamp the copper-aluminum bar, so that the copper-aluminum bar is prevented from slipping;
According to the invention, the turnover block 6 and the U-shaped piece 62 are arranged, so that the copper-aluminum bar is turned over after the punching of the copper-aluminum bar is completed, the lower die 2 performs punching operation again, and when the aluminum bar is punched, the periphery of the hole of the copper-aluminum bar is recessed downwards when the punching operation is performed because the material of the aluminum bar is softer, so that the aluminum bar is turned over after the punching is completed, the lower die 2 moves downwards again, and deformed parts are flattened, so that the use effect of the invention is improved.
Embodiment III: the process is suitable for the copper-aluminum bar punching die, and comprises the following steps:
s1, placing a copper-aluminum bar on a lower die 2, enabling the lower die 2 to move downwards, enabling an extrusion block 3 to push a lower pressing block 23 downwards, enabling the lower pressing block 23 to drive a pushing block 41 to push the copper-aluminum bar through a second transmission rope 44, enabling the copper-aluminum bar to be in contact with an installation block 21, enabling a first transmission rope 29 to drive clamping blocks 22, and enabling the two clamping blocks 22 to clamp two sides of the copper-aluminum bar, so that the copper-aluminum bar is kept vertical;
s2, punching holes on the copper-aluminum bars after the upper die 1 and the lower die 2 are closed, wherein the upper die 1 moves upwards to push the block 41, the clamping block 22 and the lower pressing block 23 to return to the original positions;
S3, the telescopic block 64 moves with the overturning block 6 and the U-shaped piece 62, the U-shaped piece 62 clamps the front end of the copper-aluminum bar and then moves upwards with the copper-aluminum bar, the U-shaped piece 62 overturns with the copper-aluminum bar for 180 degrees and then places the copper-aluminum bar on the lower die 2, and the die assembly operation is carried out again to flatten deformation generated when the copper-aluminum bar is punched for the first time.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims; the scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a copper aluminium bar mould of punching which characterized in that: comprising the following steps:
An upper die (1) and a lower die (2); a punching head is arranged on the upper die (1) to punch the copper-aluminum bars; an auxiliary mechanism is arranged on the lower die (2); the auxiliary mechanism clamps two sides of the copper-aluminum bar in the process of closing the upper die (1) and the lower die (2), so that the copper-aluminum bar is in a vertical state, and the front end of the auxiliary mechanism is in contact with the lower die (2);
The auxiliary mechanism comprises a mounting block (21), a clamping block (22) and a lower pressing block (23); the mounting block (21) is fixedly connected with the lower die (2), and a clamping groove (24) and a pressing groove (25) are formed in the mounting block (21); the two clamping blocks (22) are respectively and slidably connected in the two clamping grooves (24) and are symmetrically arranged; the pressing groove (25) penetrates through the mounting block (21); the lower pressing block (23) is connected in the lower pressing groove (25) in a sliding mode, and a first communicating groove (26) is formed in the mounting block (21); both ends of the first communicating groove (26) are respectively communicated with the clamping groove (24) and the pressing groove (25); a pair of steering rods (27) are fixedly connected in the first communicating groove (26); a first return spring (28) is fixedly connected between the clamping block (22) and the groove wall of the clamping groove (24); a first transmission rope (29) is fixedly connected to the clamping block (22); the other end of the first transmission rope (29) bypasses the steering rod (27) and is connected with the lower pressing block (23); an extrusion block (3) is fixedly connected to the upper die (1); a pressing spring (31) is fixedly connected between the pressing block (23) and the pressing groove (25);
a pushing groove (4) is formed in the lower die (2); a pushing block (41) is connected in the pushing groove (4) in a sliding way, and a second reset spring (42) is fixedly connected in the pushing groove (4); the other end of the second return spring (42) is fixedly connected with the pushing block (41); a second communicating groove (43) is formed in the mounting block (21) and the lower die (2); a second transmission rope (44) is fixedly connected to the pushing block (41); the other end of the second transmission rope (44) is connected with the lower pressing block (23);
Three groups of sliding grooves (5) are formed in the lower pressing block (23); a sliding block (51) is connected in the sliding groove (5) in a sliding way, and a sliding spring (52) is fixedly connected in the sliding groove (5); the other end of the sliding spring (52) is fixedly connected with the sliding block (51); the two first transmission ropes (29) are fixedly connected with the sliding blocks (51) at the two sides; the second transmission rope (44) is fixedly connected with the middle sliding block (51); the middle sliding block (51) is longer than the sliding blocks (51) at two sides.
2. The copper aluminum bar punching die as recited in claim 1, wherein: the mounting block (21) is provided with a turnover block (6); a turnover motor (61) is fixedly connected in the turnover block (6); the output end of the turnover motor (61) is fixedly connected with a U-shaped piece (62).
3. The copper aluminum bar punching die as recited in claim 2, wherein: the mounting block (21) is provided with a telescopic groove (63); a telescopic block (64) is connected in the telescopic groove (63) in a sliding way; a telescopic electric push rod (65) is fixedly connected in the telescopic groove (63); the output end of the telescopic electric push rod (65) is fixedly connected with the telescopic block (64); the telescopic block (64) is provided with a lifting groove (66); the overturning block (6) is connected in the telescopic groove (63) in a sliding way; a telescopic motor (67) is fixedly connected in the telescopic groove (63); the output end of the telescopic motor (67) is fixedly connected with a screw rod which is in threaded fit with the overturning block (6).
4. A copper aluminum bar punching die according to claim 3, wherein: elastic sheets (68) are symmetrically and fixedly connected to the U-shaped piece (62).
5. A copper-aluminum bar punching process, which is applicable to the copper-aluminum bar punching die as claimed in any one of claims 1 to 4, and is characterized in that: the process comprises the following steps:
S1, placing a copper aluminum bar on a lower die (2), enabling the lower die (2) to move downwards, enabling an extrusion block (3) to push a lower pressing block (23) downwards, enabling the lower pressing block (23) to drive a pushing block (41) to push the copper aluminum bar through a second transmission rope (44), enabling the copper aluminum bar to be in contact with a mounting block (21), enabling a first transmission rope (29) to drive a clamping block (22), and enabling the two clamping blocks (22) to clamp two sides of the copper aluminum bar, so that the copper aluminum bar is kept vertical;
S2, punching holes on the copper-aluminum bars after the upper die (1) and the lower die (2) are clamped, wherein the upper die (1) moves upwards to push the block (41), the clamping block (22) and the lower pressing block (23) to return to the original positions;
S3, moving the telescopic block (64) with the overturning block (6) and the U-shaped piece (62), clamping the front end of the copper-aluminum bar by the U-shaped piece (62), moving the copper-aluminum bar upwards, overturning the U-shaped piece (62) with the copper-aluminum bar for 180 degrees, then placing the copper-aluminum bar on the lower die (2), and carrying out die assembly operation again to flatten deformation generated when the copper-aluminum bar is punched for the first time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410070943.5A CN117583464B (en) | 2024-01-18 | 2024-01-18 | Copper aluminum bar punching die and punching process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410070943.5A CN117583464B (en) | 2024-01-18 | 2024-01-18 | Copper aluminum bar punching die and punching process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117583464A CN117583464A (en) | 2024-02-23 |
| CN117583464B true CN117583464B (en) | 2024-04-26 |
Family
ID=89915408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410070943.5A Active CN117583464B (en) | 2024-01-18 | 2024-01-18 | Copper aluminum bar punching die and punching process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117583464B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069410A (en) * | 2019-12-24 | 2020-04-28 | 张波 | Copper-aluminum bar manufacturing process |
| CN111957818A (en) * | 2020-07-03 | 2020-11-20 | 陈玉华 | Iron sheet punching equipment |
| CN113021510A (en) * | 2021-03-02 | 2021-06-25 | 宋霞 | Copper bar insulating sleeve punching and pushing device |
| CN114309259A (en) * | 2022-01-21 | 2022-04-12 | 吴华安 | Stamping die and stamping process thereof |
| CN216729011U (en) * | 2021-12-28 | 2022-06-14 | 东莞庆呈五金有限公司 | Metal base stamping die |
| CN219052586U (en) * | 2023-02-03 | 2023-05-23 | 浙江德明汽车部件有限公司 | Stamping equipment with location structure |
| WO2023122873A1 (en) * | 2021-12-27 | 2023-07-06 | 无锡微研股份有限公司 | Stamping device |
| CN219401976U (en) * | 2023-03-28 | 2023-07-25 | 江苏锦弘康电子科技有限公司 | Automatic feeding precision stamping die |
| CN219597833U (en) * | 2023-03-15 | 2023-08-29 | 无锡汽车工程高等职业技术学校 | Processing punching device for automobile parts |
| CN117245256A (en) * | 2023-09-21 | 2023-12-19 | 江西美泰尔金属建材有限公司 | Manufacturing equipment and method for aluminum veneer of rock wool heat-preserving heat-insulating curtain wall |
-
2024
- 2024-01-18 CN CN202410070943.5A patent/CN117583464B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069410A (en) * | 2019-12-24 | 2020-04-28 | 张波 | Copper-aluminum bar manufacturing process |
| CN111957818A (en) * | 2020-07-03 | 2020-11-20 | 陈玉华 | Iron sheet punching equipment |
| CN113021510A (en) * | 2021-03-02 | 2021-06-25 | 宋霞 | Copper bar insulating sleeve punching and pushing device |
| WO2023122873A1 (en) * | 2021-12-27 | 2023-07-06 | 无锡微研股份有限公司 | Stamping device |
| CN216729011U (en) * | 2021-12-28 | 2022-06-14 | 东莞庆呈五金有限公司 | Metal base stamping die |
| CN114309259A (en) * | 2022-01-21 | 2022-04-12 | 吴华安 | Stamping die and stamping process thereof |
| CN219052586U (en) * | 2023-02-03 | 2023-05-23 | 浙江德明汽车部件有限公司 | Stamping equipment with location structure |
| CN219597833U (en) * | 2023-03-15 | 2023-08-29 | 无锡汽车工程高等职业技术学校 | Processing punching device for automobile parts |
| CN219401976U (en) * | 2023-03-28 | 2023-07-25 | 江苏锦弘康电子科技有限公司 | Automatic feeding precision stamping die |
| CN117245256A (en) * | 2023-09-21 | 2023-12-19 | 江西美泰尔金属建材有限公司 | Manufacturing equipment and method for aluminum veneer of rock wool heat-preserving heat-insulating curtain wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117583464A (en) | 2024-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117583464B (en) | Copper aluminum bar punching die and punching process thereof | |
| CN114632956B (en) | Battery case tapping perforating device | |
| CN214212001U (en) | Full-automatic backplate stamping forming device | |
| CN212241829U (en) | Auxiliary clamp of rapid punching blanking device | |
| CN213763573U (en) | Aluminum alloy section bending device | |
| CN214108479U (en) | Sheet metal part punching device | |
| CN108673545B (en) | Cotton sampling manipulator | |
| CN221269567U (en) | Be used for forging mould with steel sheet | |
| CN220029944U (en) | Clamp for machining and manufacturing | |
| CN218963893U (en) | Full-automatic multi-thread bundle cutting device | |
| CN218425136U (en) | Clamp for fixing punch of punch press | |
| CN114309274B (en) | Processing device of high-voltage pulse power supply and production process thereof | |
| CN116387927B (en) | Temporary connection device for low-voltage wires | |
| CN216881829U (en) | Processing device for aluminum radiator | |
| CN220547507U (en) | Stamping lathe for machining | |
| CN219801468U (en) | Terminal line equipment draws fastener | |
| CN216989632U (en) | Quick stamping die frock of five metals | |
| CN216540594U (en) | Demoulding mechanism for automobile die stamping part | |
| CN219132073U (en) | Copper-aluminum composite conductive bar processing and positioning device | |
| CN215279262U (en) | Automatic riveting shaping mechanism for high-frequency welding | |
| CN220970491U (en) | Stamping device is used in metal accessory production | |
| CN216397873U (en) | Die forging press capable of adjusting die forming size | |
| CN219253812U (en) | Hydraulic punching machine for aluminum alloy doors and windows | |
| CN218396010U (en) | Perforating device of automobile part die casting die | |
| CN220942819U (en) | Stamping die is used in automobile parts production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |