CN108406924B - Punching needle die assembly frame and method for taking out punching needle from punching needle die - Google Patents
Punching needle die assembly frame and method for taking out punching needle from punching needle die Download PDFInfo
- Publication number
- CN108406924B CN108406924B CN201810210494.4A CN201810210494A CN108406924B CN 108406924 B CN108406924 B CN 108406924B CN 201810210494 A CN201810210494 A CN 201810210494A CN 108406924 B CN108406924 B CN 108406924B
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- punching needle
- die
- thimble
- punching
- fixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/14—Punching tools; Punching dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- 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 machine peripheral equipment, in particular to a punching needle die assembly frame and a method for taking out a punching needle from a punching needle die. The punching needle die assembly frame fixes the punching needle die through the matching of the clamping strips and the clamping grooves, and is provided with the punching needle falling bin with the height being larger than or equal to the length of the punching needle. The supporting base plate is arranged to prevent the punching needle die from falling down when the punching needle is taken, the degree of tight fit between the punching needle die and the punching needle die assembly frame can be further improved, the punching needle is uniformly stressed in the process of taking the punching needle, the punching needle is prevented from being damaged, the punching needle die can be protected from being damaged, punching needle scraps can be prevented from entering a punching needle fixing position of the punching needle die, and the maintenance cost is reduced. Set up the thimble stationary blade, the accessible is changed the thimble stationary blade that has the thimble hole of different models and quantity and is adapted to dash the needle of different models and quantity in the needle mould.
Description
Technical Field
The invention relates to the technical field of punching machine peripheral equipment, in particular to a punching needle die assembly frame and a method for taking out a punching needle from a punching needle die.
Background
In the production and manufacturing process of the PCB, a punching machine is needed to punch holes on the PCB to manufacture the positioning holes, and the principle of punching is to punch the needed positioning holes by utilizing the instant impact of a punching pin fixed in a punching pin die on the PCB. The punching needle has high use frequency and large impact force, so that the needle handle of the punching needle can deform in the production process, the service life of the punching needle is defined to be 20 ten thousand times by the technical part, and the punching needle needs to be frequently replaced. Since the shank of the punch pin is deformed, it is extremely difficult to remove the punch pin whose shank is deformed from the punch pin mold. At present, the method for taking out the punching needle from the punching needle die is to forcibly directly knock the needle head of the punching needle by a hard object such as an iron bar and to forcibly twist out the punching needle by a tool such as a locking pliers. The existing method for taking out the punching needle from the punching needle die has the following defects: 1. the punching needle is forcibly knocked out, so that the operation difficulty is high; 2. the punching needle is easy to damage, and the formed punching needle scraps can enter a punching needle fixing position of the punching needle die to damage the punching needle die; 3. the punching needle is time-consuming and labor-consuming to take, the efficiency is low, and the maintenance cost is high.
Disclosure of Invention
The invention provides a punching needle die assembly frame for assisting in taking out a punching needle from a punching needle die and a method for taking out the punching needle from the punching needle die, aiming at the problems that the punching needle is difficult to take out from the punching needle die, the needle taking efficiency is low, and the punching needle die are easy to damage in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme.
A punching needle die assembly jig comprises a thimble and an assembly jig body; the assembling jig comprises an assembling jig body and a pair of fixing plates, wherein the assembling jig body comprises a bottom plate and a pair of fixing plates vertically fixed on the bottom plate, the upper end part of each fixing plate is inwards bent to form a clamping strip used for clamping with a clamping groove of a punching needle die, and the clamping strip is vertical to the fixing plates; the upper parts of the two fixing plates form a punching needle die placing bin, the lower parts of the two fixing plates form a punching needle falling bin, and the height of the punching needle falling bin is greater than or equal to the length of the punching needle; the punching needle die is characterized in that an ejector pin fixing plate is arranged above the punching needle die placing bin, an ejector pin fixing hole is formed in the position, corresponding to the punching needle fixing position of the punching needle die, of the ejector pin fixing plate, an ejector pin fixing piece is arranged in the ejector pin fixing hole, an ejector pin hole used for enabling an ejector pin to penetrate through is formed in the ejector pin fixing piece, and the hole center line of the ejector pin hole and the center line of the punching needle fixing position of the punching needle die are the same straight line.
Furthermore, a supporting base plate is arranged between the punching needle die placing bin and the punching needle falling bin, and a lower needle hole is formed in the supporting base plate at a position corresponding to the punching needle fixing position of the punching needle die.
Furthermore, a positioning hole is formed in the position, corresponding to the positioning pin of the punching pin die, of the supporting base plate.
Furthermore, the thimble fixing piece is provided with a thimble hole or two thimble holes.
Furthermore, the thimble fixing plate is L-shaped formed by a cross arm and a vertical arm, and the lower end part of the vertical arm is fixedly connected with the upper ends of the two fixing plates; the thimble fixing hole is arranged on the cross arm.
Furthermore, a fastening screw for tightly pushing the thimble fixing sheet is further arranged on the thimble fixing plate.
A method of removing a punch pin from a punch pin die, comprising the steps of:
s1: fixing the punching needle mould by using the punching needle mould assembly frame;
s2: placing the thimble fixing sheet in a thimble fixing hole of the thimble fixing plate;
s3: placing the thimble in the thimble hole;
s4: knocking the top of the ejector pin to enable the ejector pin to impact the punching pin on the punching pin die, so that the punching pin falls into the punching pin falling bin.
Further, for the punch pin mold assembly jig having the fastening screw on the thimble fixing plate, after the thimble fixing piece is placed in the thimble fixing hole of the thimble fixing plate in the step S2, the fastening screw is tightened to make the fastening screw push against the thimble fixing piece.
Compared with the prior art, the invention has the beneficial effects that: the punching needle die assembly frame fixes the punching needle die through the matching of the clamping strips and the clamping grooves, and is provided with the punching needle falling bin with the height being larger than or equal to the length of the punching needle. The supporting base plate is arranged to prevent the punching needle die from falling down when the punching needle is taken, the degree of tight fit between the punching needle die and the punching needle die assembly frame can be further improved, the punching needle is uniformly stressed in the process of taking the punching needle, the punching needle is prevented from being damaged, the punching needle die can be protected from being damaged, punching needle scraps can be prevented from entering a punching needle fixing position of the punching needle die, and the maintenance cost is reduced. Set up the thimble stationary blade in the thimble fixed orifices of thimble fixed plate, the accessible is changed the thimble stationary blade that has the thimble hole of different models and quantity and is adapted to punching the needle of different models and quantity in the needle mould, improves the suitability of punching needle mould assembly jig.
Drawings
FIG. 1 is a schematic structural view of the punch pin mold in the embodiment;
FIG. 2 is a schematic structural view of the punch pin mold according to another view in the embodiment;
FIG. 3 is a schematic structural view of the punch pin mold jig according to the embodiment (no thimble is disposed in the thimble hole and the fastening screw is omitted);
FIG. 4 is a schematic structural view of the punch pin die mounting bracket at another angle in the embodiment (no thimble is disposed in the thimble hole and the fastening screw is omitted);
FIG. 5 is a schematic view of the assembly jig for a punch pin mold according to the embodiment after the assembly of the assembly jig for a punch pin mold and a punch pin mold;
FIG. 6 is a schematic structural view of the needle retaining plate according to the embodiment;
FIG. 7 is a schematic structural view of the thimble fixing plate in the embodiment;
FIG. 8 is a schematic view of the structure of the thimble fixing plate having a thimble hole.
Detailed Description
In order to more fully understand the technical contents of the present invention, the technical solutions of the present invention will be further described and illustrated with reference to the following specific embodiments.
Examples
The embodiment provides a punching needle die assembly rack and a method for assisting in taking out a punching needle from a punching needle die by using the punching needle die assembly rack.
The structure of the punch pin die described in this embodiment is shown in fig. 1 and 2. Clamping grooves 13 for fixing and positioning with other equipment are formed in two sides of the punching needle die 10, two punching needle fixing positions for placing and fixing punching needles 14 are formed in the punching needle die 10, positioning pins 12 are arranged at the bottom of the punching needle die 10, and the positioning pins 12 can be controlled to extend out of or retract into the punching needle die 10 through cooperation of a handle 11 and an internal spring mechanism.
As shown in fig. 3 to 7, the punch pin die-jig of the present embodiment includes a thimble 21 and a jig body 20.
The jig body 20 includes a bottom plate 24, a pair of fixing plates 23 vertically fixed on the bottom plate 24, and a clamping strip 26 bent inward at the upper end of the fixing plates 23 for clamping with the clamping groove 13 of the punch pin die 10, wherein the clamping strip 26 is perpendicular to the fixing plates 23. The upper parts of the two fixing plates 23 form a punching needle mold placing bin, the lower parts of the two fixing plates 23 form a punching needle falling bin, and the height of the punching needle falling bin is greater than the length of the punching needle 14. A supporting base plate 25 is arranged between the punching needle die placing bin and the punching needle falling bin, a lower needle hole 28 is arranged at a position, corresponding to the punching needle fixing position of the punching needle die 10, on the supporting base plate 25, and a positioning hole 27 is arranged at a position, corresponding to the positioning pin 12 of the punching needle die 10, on the supporting base plate 25.
An ejector pin fixing plate 22 is arranged above the punch pin mold placing bin, the ejector pin fixing plate 22 is formed by a cross arm 222 and a vertical arm 221 and is in an L shape, the lower end portion of the vertical arm 221 is fixedly connected with the upper ends of the two fixing plates 23, an ejector pin fixing hole 225 is arranged at a position, corresponding to the punch pin fixing position of the punch pin mold 10, of the cross arm 222 of the ejector pin fixing plate 22, an ejector pin fixing piece 223 is arranged in the ejector pin fixing hole 225, two ejector pin holes 224 used for enabling ejector pins 21 to penetrate through are formed in the ejector pin fixing piece 223, and the hole center line of the ejector pin holes 224 and the center line of the corresponding punch pin fixing position on the. The thimble fixing plate 22 is further provided with a screw hole on a side surface of the cross arm 222, and a screw is disposed so that the thimble fixing piece 223 can be pressed tightly by tightening the screw.
The assembly frame of the punching needle die can also be provided with different thimble fixing pieces, and thimble holes with different hole numbers and hole types are arranged in the different thimble fixing pieces, such as the thimble fixing piece provided with one thimble hole shown in figure 8. The thimble fixing pieces with thimble holes of different models and quantities are replaced to adapt to the punching needles of different models and quantities in the punching needle mould, so that the applicability of the punching needle mould assembly frame is stronger.
In other embodiments, the height of the punching needle falling bin is ensured to be not less than the length of the punching needle, so that the punching needle can fall off with enough space when being knocked.
The method for taking out the punch pin 14 in the punch pin die 10 by using the punch pin die assembly rack of the embodiment specifically includes the following steps:
(1) fixing a punching needle die 10 by using the punching needle die assembly jig of the embodiment: pressing the handle 11 of the punching needle die 10 to enable the positioning pin 12 to retract into the punching needle die 10, enabling the clamping groove 13 of the punching needle die 10 to be aligned with the clamping strip 26 of the punching needle die assembly frame, enabling the clamping strip 26 to be clamped into the clamping groove 13, pushing the punching needle die 10 into the punching needle die placing bin, and then loosening the handle 11 to enable the positioning pin 12 to extend out of the punching needle die 10 and into the positioning hole 27. The punch pin die 10 can be prevented from moving back and forth through the positioning holes 27, and the punch pin die 10 can be prevented from moving up and down through the matching of the clamping strips 26 and the clamping grooves 13.
(2) The thimble fixing piece 223 is placed in the thimble fixing hole 225 of the thimble fixing plate 22, and then the fastening screw is tightened so that the fastening screw abuts against the thimble fixing piece 223.
(3) The thimble 21 is placed in the thimble hole 224.
(4) Knocking the top of the thimble 21 causes the thimble 21 to impact the punch pin 14 on the punch pin die 10, so that the punch pin 14 falls into the punch pin dropping bin, and the action of taking out the punch pin 14 from the punch pin die 10 is completed.
When the type and/or the quantity of the fixed punching needles in the punching needle mold change, the fastening screws can be unscrewed, then the thimble fixing piece is taken out and put into another thimble fixing piece matched with the type and the quantity of the punching needles in the punching needle mold, and other punching needle taking operations are carried out according to the above.
The technical contents of the present invention are further illustrated by the examples, so as to facilitate the understanding of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention.
Claims (6)
1. A punching needle die assembly jig is characterized by comprising a thimble and an assembly jig body; the assembling jig comprises an assembling jig body and a pair of fixing plates, wherein the assembling jig body comprises a bottom plate and a pair of fixing plates vertically fixed on the bottom plate, the upper end part of each fixing plate is inwards bent to form a clamping strip used for clamping with a clamping groove of a punching needle die, and the clamping strip is vertical to the fixing plates; the upper parts of the two fixing plates form a punching needle die placing bin, the lower parts of the two fixing plates form a punching needle falling bin, and the height of the punching needle falling bin is greater than or equal to the length of the punching needle; an ejector pin fixing plate is arranged above the punching needle mold placing bin, an ejector pin fixing hole is formed in the position, corresponding to the punching needle fixing position of the punching needle mold, of the ejector pin fixing plate, an ejector pin fixing piece is arranged in the ejector pin fixing hole, an ejector pin hole for an ejector pin to penetrate through is formed in the ejector pin fixing piece, and the hole center line of the ejector pin hole and the center line of the punching needle fixing position of the punching needle mold are in the same straight line;
a support base plate is arranged between the punching needle die placing bin and the punching needle falling bin, and a lower needle hole is formed in the support base plate at a position corresponding to a punching needle fixing position of the punching needle die; and the support base plate is provided with a positioning hole at a position corresponding to the positioning pin of the punching pin die.
2. The punch pin die holder as set forth in claim 1, wherein: the thimble fixing piece is provided with a thimble hole or two thimble holes.
3. The punch pin die holder as set forth in claim 1, wherein: the thimble fixing plate is L-shaped formed by a cross arm and a vertical arm, and the lower end part of the vertical arm is fixedly connected with the upper ends of the two fixing plates; the thimble fixing hole is arranged on the cross arm.
4. The punch pin die holder as set forth in any one of claims 1 to 3, wherein: and the thimble fixing plate is also provided with a fastening screw for tightly pushing the thimble fixing sheet.
5. A method of removing a punch pin from a punch pin die, comprising the steps of:
s1: fixing a punch pin die with the punch pin die mounting bracket of any one of claims 1-4;
s2: placing the thimble fixing sheet in a thimble fixing hole of the thimble fixing plate;
s3: placing the thimble in the thimble hole;
s4: knocking the top of the ejector pin to enable the ejector pin to impact the punching pin on the punching pin die, so that the punching pin falls into the punching pin falling bin.
6. The method of removing a punch pin from a punch pin die as set forth in claim 5, wherein: for the needle punching die assembly frame with the fastening screw on the thimble fixing plate, after the thimble fixing piece is placed in the thimble fixing hole of the thimble fixing plate in the step S2, the fastening screw is tightened to enable the fastening screw to tightly push the thimble fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210494.4A CN108406924B (en) | 2018-03-14 | 2018-03-14 | Punching needle die assembly frame and method for taking out punching needle from punching needle die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210494.4A CN108406924B (en) | 2018-03-14 | 2018-03-14 | Punching needle die assembly frame and method for taking out punching needle from punching needle die |
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| Publication Number | Publication Date |
|---|---|
| CN108406924A CN108406924A (en) | 2018-08-17 |
| CN108406924B true CN108406924B (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810210494.4A Active CN108406924B (en) | 2018-03-14 | 2018-03-14 | Punching needle die assembly frame and method for taking out punching needle from punching needle die |
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| CN (1) | CN108406924B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029224A (en) * | 2018-08-27 | 2018-12-18 | 吉林省百浪汽车装备技术有限公司 | A kind of processing method that two or more detection type face same position exchanges positioning |
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| CN201505889U (en) * | 2009-06-16 | 2010-06-16 | 上海宝钢设备检修有限公司 | Tool for rapidly assembling and disassembling fixing pin for film sheet catcher in cold gas pressurizer |
| CN202622299U (en) * | 2012-05-18 | 2012-12-26 | 徐州宏光电子有限公司 | Aluminum ship pin dismounting device |
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| CN202780413U (en) * | 2012-07-28 | 2013-03-13 | 中国人民解放军第四军医大学口腔医院 | Collet detaching component for high-speed dental hand unit maintenance |
| CN204123314U (en) * | 2014-10-15 | 2015-01-28 | 贵州航太精密制造有限公司 | A kind of pinning component assembling clamping device |
| CN105751149A (en) * | 2016-04-13 | 2016-07-13 | 国家电网公司 | Dowel disassembling device |
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2018
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201505889U (en) * | 2009-06-16 | 2010-06-16 | 上海宝钢设备检修有限公司 | Tool for rapidly assembling and disassembling fixing pin for film sheet catcher in cold gas pressurizer |
| CN202622299U (en) * | 2012-05-18 | 2012-12-26 | 徐州宏光电子有限公司 | Aluminum ship pin dismounting device |
| CN202780413U (en) * | 2012-07-28 | 2013-03-13 | 中国人民解放军第四军医大学口腔医院 | Collet detaching component for high-speed dental hand unit maintenance |
| CN202722716U (en) * | 2012-08-10 | 2013-02-13 | 际华三五一四制革制鞋有限公司 | Dismounting tool for rivet |
| CN202780406U (en) * | 2012-09-18 | 2013-03-13 | 上海晨兴希姆通电子科技有限公司 | Disassembling device |
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| CN105751149A (en) * | 2016-04-13 | 2016-07-13 | 国家电网公司 | Dowel disassembling device |
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| CN108406924A (en) | 2018-08-17 |
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