CN210730708U - Quick-change punch structure of hydraulic forming die - Google Patents
Quick-change punch structure of hydraulic forming die Download PDFInfo
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- CN210730708U CN210730708U CN201921640092.4U CN201921640092U CN210730708U CN 210730708 U CN210730708 U CN 210730708U CN 201921640092 U CN201921640092 U CN 201921640092U CN 210730708 U CN210730708 U CN 210730708U
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- quick
- drift
- punch
- change
- change side
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Abstract
The embodiment of the utility model discloses hydraulic forming die quick change drift structure, including mould body, hydro-cylinder, connecting rod, drift fixing base, quick change side round pin, drift, jump ring, the jackscrew that splines, the hydro-cylinder is connected with the connecting rod, the connecting rod passes through screw and locating pin with the drift fixing base and is connected, the drift inserts in the drift fixing base, the drift fixing base is inserted to the quick change side round pin, the jump ring is installed in the jump ring groove of quick change side round pin, the jackscrew that splines is installed in the drift fixing base, the breach of quick change side round pin is to the drift dorsad, the steel ball card of the jackscrew that splines is in the pit department of quick change side round pin, the hydro-cylinder is installed on the mould body, the utility model discloses the drift just can.
Description
Technical Field
The utility model relates to the technical field of mold, especially, relate to a hydraulic forming die quick change drift structure.
Background
The hydraulic forming process has an in-mold punching function, punching of the hydraulic forming process is achieved through an oil cylinder, an original structure is composed of a die body, the oil cylinder, a connecting rod, a punch base plate, a punch fixing seat, a punch with a hanging table, corresponding screws and positioning pins, the punch is fixed on the punch fixing seat through the hanging table, the fixing seat is installed on the connecting rod through screw pins, the connecting rod is connected with an oil cylinder piston rod through threads of the connecting rod, the oil cylinder is fixed on the die body through the screws, and the punching oil cylinder is installed on the upper surface and the lower surface of the die under the ordinary condition.
The working steps and the principle when the punch is replaced in the normal production of the structure are as follows:
1. and opening the press sliding block to the bottom dead center to open the mold clamping device, removing the oil pipe connected with the upper mold, and opening the press sliding block to the top dead center.
2. And standing the top of the mold by a person, detaching an oil pipe connected with the mold body and the oil cylinder, detaching a locking screw of the oil cylinder, and pulling out the oil cylinder from the mounting groove.
3. And pulling out the positioning pin on the punch fixing seat, and removing the screw on the punch fixing seat.
4. Taking out the damaged punch and loading the new punch.
5. And a screw and a positioning pin for mounting the punch fixing seat.
6. And placing the oil cylinder into the mounting groove, mounting an oil cylinder screw, and mounting an oil pipe for connecting the oil cylinder and the die.
7. And (4) withdrawing the personnel from the top of the die, opening the press sliding block to a bottom dead center, starting the die clamper, installing the upper die oil pipe, opening the press sliding block to a top dead center, and finishing the replacement of the punch.
This structure has some disadvantages:
1. the oil cylinder must be disassembled and assembled when the punch is replaced, the working steps are complicated, and the workload is large.
2. The mould repair personnel climb up and down, and the safety risk is increased.
3. The number of times of dismounting and mounting of the oil pipe joints is increased, the service life of each joint and the sealing element of the oil pipe is shortened, and the risk of oil leakage is increased.
4. The time is long, the average replacement time is about 40mins when the punch is arranged on the upper die, and the replacement time is about 180mins when the punch is arranged on the lower die (the lower die needs to be detached from the press when the punch is arranged on the lower die, the die is turned over, and the punch is replaced by disassembling and assembling the oil cylinder), so that the online downtime is greatly increased, and the production efficiency is reduced.
5. The tail part of the punch is provided with a hanging table, the volume of raw materials is large, the processing technology is complex, the manufacturing cost is high, the cost of a single round punch with the same size is 50-100 yuan higher than that of a quick-change type punch, and the cost of a complex polygonal punch or a special-shaped punch is 200-300 yuan higher than that of the quick-change type punch.
SUMMERY OF THE UTILITY MODEL
To the problem that exists, the embodiment of the utility model discloses a hydraulic forming die quick change drift structure, the drift just can be changed to the hydro-cylinder of not dismantling, reduces work load and operating time.
The embodiment of the utility model discloses hydraulic forming die quick change drift structure, including the mould body, the hydro-cylinder, the connecting rod, the drift fixing base, the quick change side round pin, the drift, the jump ring, only change the jackscrew, the hydro-cylinder is connected with the connecting rod, the connecting rod passes through the screw with the drift fixing base and the locating pin is connected, the drift inserts in the drift fixing base, the quick change side round pin inserts the drift fixing base, the jump ring is installed in the jump ring groove of quick change side round pin, only change the jackscrew and install in the drift fixing base, the breach of quick change side round pin is to the drift dorsad, the steel ball card of only changing the jackscrew is in the pit department of quick change.
In an embodiment of the present invention, the side of the mold body is provided with a wrench insertion hole, and the wrench insertion hole is communicated with the hole for installing the quick-change side pin.
In an embodiment of the present invention, the end of the quick-change side pin facing the wrench insertion hole is a nut with an inner hexagon.
In an embodiment of the present invention, a semicircular notch equal to the radius of the punch is disposed at the intersection of the quick-change side pin and the punch.
In an embodiment of the present invention, the intersection of the quick-change side pin and the rotation stop jackscrew is provided with 2 spherical pits with a radius of 4mm and a depth of 1mm, and the two pits are separated by 180 degrees and parallel to the axis of the punch.
The utility model discloses an in the embodiment, the drift is the polished rod structure of both ends cross-section unanimity, and the crossing department of drift and quick change side round pin is equipped with the semi-circular breach unanimous with quick change side round pin radius.
In an embodiment of the present invention, the rotation stopping jackscrew is a ball plunger with a spring and a steel ball.
The utility model has the advantages of as follows:
the utility model is safe, reliable and convenient to operate, reduces the operating steps of punch replacement, and saves the time for replacing the punch once; the punch is simple in structure and easy to process, and the manufacturing cost of a single punch is saved.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged view of fig. 1 at B.
Detailed Description
The structure of the present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
As shown in the figure, the embodiment of the utility model discloses hydraulic forming die quick change drift structure, including mould body 1, hydro-cylinder 2, connecting rod 3, drift fixing base 4, quick change side round pin 5, drift 6, jump ring 7, spline jackscrew 8, hydro-cylinder 2 is connected with connecting rod 3, connecting rod 3 passes through the screw with drift fixing base 4 and is connected with the locating pin, drift 6 inserts in drift fixing base 4, quick change side round pin 5 inserts drift fixing base 4, the jump ring is installed in the jump ring groove of quick change side round pin, spline jackscrew is installed in the drift fixing base, the breach of quick change side round pin 5 is back to the drift, the steel ball card of spline jackscrew 8 is in the pit department of quick change side round pin 5, hydro-cylinder 2 is installed on mould body 1.
In an embodiment of the present invention, the side of the mold body 1 is provided with a wrench insertion hole 9, and the wrench insertion hole 9 is communicated with the hole for installing the quick-change side pin 5.
In an embodiment of the present invention, the end of the quick-change side pin 5 facing the wrench insertion hole 9 is a nut with an inner hexagonal shape.
And a wrench is inserted into the wrench insertion hole, and the wrench is butted with the nut and drives the quick-change side pin. And the quick replacement is realized.
In an embodiment of the present invention, a semicircular notch equal to the punch radius is disposed at the intersection of the quick-change side pin 5 and the punch 6.
In an embodiment of the present invention, the intersection of the quick-change side pin and the rotation stop jackscrew is provided with 2 spherical pits with a radius of 4mm and a depth of 1mm, and the two pits are separated by 180 degrees and parallel to the axis of the punch.
The utility model discloses an in the embodiment, the drift is the polished rod structure of both ends cross-section unanimity, and the crossing department of drift and quick change side round pin is equipped with the semi-circular breach unanimous with quick change side round pin radius.
In an embodiment of the present invention, the rotation stopping jackscrew is a ball plunger with a spring and a steel ball.
The punch replacing steps in the online production are as follows:
1. and opening the press sliding block to the top dead center, and using hands of an operator to push out the punch oil cylinder to be replaced.
2. Heavy first change needs two people to operate, and the staff is first inserts extension hexagonal spanner from the spanner patchhole of mould body, rotates the quick change side round pin with the spanner, and the drift exposes the part with the hand-held drift of staff two-way, and when the staff was first rotated the quick change side round pin to the side round pin breach and is faced the drift, staff two extracted old drift.
3. And a second worker inserts a new punch into the punch mounting seat and holds the new punch by hands, the first worker rotates the quick-change side pin by using a wrench until the notch of the side pin is opposite to the punch and the steel ball of the rotation-stopping jackscrew is clamped into the pit of the side pin, the two workers leave the site, and the punch is replaced.
The whole process uses 5-10 mins, greatly shortens the time of drift change, has improved production efficiency.
The utility model overcomes the defects of the prior related structure, is safe and reliable, is convenient to operate, reduces the operating steps of punch replacement, and saves 30-160 mins in the time of replacing the punch once; the punch is simple in structure and easy to process, and the manufacturing cost of a single punch is saved by 50-300 yuan.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (7)
1. Hydraulic forming die quick change drift structure, a serial communication port, which comprises a die body, the hydro-cylinder, the connecting rod, the drift fixing base, the quick change side round pin, the drift, the jump ring, the jackscrew that splines, the hydro-cylinder is connected with the connecting rod, the connecting rod passes through screw and locating pin with the drift fixing base and is connected, the drift inserts in the drift fixing base, the quick change side round pin inserts the drift fixing base, the jump ring is installed in the jump ring groove of quick change side round pin, the jackscrew that splines is installed in the drift fixing base, the breach of quick change side round pin is to the drift dorsad, the steel ball card of the jackscrew that splines is in the pit department of.
2. A hydroforming die quick-change punch structure according to claim 1, wherein a wrench insertion hole is provided in a side surface of the die body, the wrench insertion hole communicating with a hole for mounting the quick-change side pin.
3. A hydroforming die quick-change punch structure according to claim 2, wherein an end of the quick-change side pin facing the wrench insertion hole is a nut with an inner hexagonal shape.
4. A hydroforming die quick-change punch configuration according to claim 1, wherein a semicircular notch having a radius equal to the punch is provided at the intersection of the quick-change side pin and the punch.
5. A hydroforming die quick-change punch structure according to claim 1, wherein the intersection of the quick-change side pin and the rotation stop jackscrew is provided with 2 spherical dimples with a radius of 4mm and a depth of 1mm, the dimples being spaced 180 ° apart, and the line of the two dimples being parallel to the axis of the punch.
6. The rapid-change punch structure of a hydroforming die according to claim 1, wherein the punch is a polished rod structure with uniform cross-sections at both ends, and a semicircular notch with a radius consistent with that of the rapid-change side pin is formed at the intersection of the punch and the rapid-change side pin.
7. A hydroforming die quick-change punch structure according to claim 1, wherein the rotation stop jackscrew is a ball plunger with a spring and a steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640092.4U CN210730708U (en) | 2019-09-27 | 2019-09-27 | Quick-change punch structure of hydraulic forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640092.4U CN210730708U (en) | 2019-09-27 | 2019-09-27 | Quick-change punch structure of hydraulic forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210730708U true CN210730708U (en) | 2020-06-12 |
Family
ID=70989809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921640092.4U Expired - Fee Related CN210730708U (en) | 2019-09-27 | 2019-09-27 | Quick-change punch structure of hydraulic forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210730708U (en) |
-
2019
- 2019-09-27 CN CN201921640092.4U patent/CN210730708U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |