CN113275473A - Unloading equipment for bolt machining and working method thereof - Google Patents
Unloading equipment for bolt machining and working method thereof Download PDFInfo
- Publication number
- CN113275473A CN113275473A CN202110843339.8A CN202110843339A CN113275473A CN 113275473 A CN113275473 A CN 113275473A CN 202110843339 A CN202110843339 A CN 202110843339A CN 113275473 A CN113275473 A CN 113275473A
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- Prior art keywords
- workpiece
- inner cavity
- bolt
- rod
- discharging
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Classifications
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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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/10—Combined ejecting and stripping-off devices
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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
- 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
- B21D43/003—Positioning devices
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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
- 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
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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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
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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
- B21D53/00—Making other particular articles
- B21D53/24—Making other particular articles nuts or like thread-engaging members
Abstract
The invention relates to the technical field of bolt machining, and discloses a discharging device for bolt machining and a working method thereof. This be used for bolt processing to use discharge apparatus and operating method thereof, when adding man-hour, through ejection mechanism and discharge mechanism's cooperation, can be under the condition that need not manual operation, the work piece output that will finish processing, the ejection of compact is convenient, and the step is simple, effectively prevents to finish the back work piece adhesion and can't take out the condition in the forming die and appears, has simplified manufacturing procedure, increases production efficiency.
Description
Technical Field
The invention relates to the technical field of bolt machining, in particular to a discharging device for bolt machining and a working method thereof.
Background
The bolt is a cylindrical threaded fastener with a nut. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut to be used for fastening and connecting two parts with through holes, and the connection form is called bolt connection. If the nut is screwed off from the bolt, the two parts can be separated, so that the bolt connection belongs to the detachable connection in the existing bolt processing plant, and the processing modes of cold heading and red forging are common. The length of the cold-heading bolt is limited to a certain extent, cold heading machining cannot be performed on the bolt beyond the machining range of a machine tool, stripping of the formed bolt is difficult, interference with an upper die is easy to occur during stripping, machining efficiency of the bolt is affected, and inconvenience is brought to bolt machining.
According to the bolt head machining device disclosed by the invention with the patent number of CN104475640A, manual operation is needed in the whole process of feeding and discharging when the bolt head machining device is used, the operation is inconvenient, and in the process of discharging, a machined workpiece is troublesome to take out, so that the machining time is wasted.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the unloading equipment for bolt machining and the working method thereof, and solves the problems that the whole process of loading and unloading needs manual operation during use, the operation is inconvenient, and the machined workpiece is troublesome to take out and the machining time is wasted during unloading.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a be used for bolt processing to use discharge apparatus, includes the lathe and fixes the fixing base on the lathe, the inner chamber sliding connection of fixing base has the punching press seat circle that is used for stamping forming, the inner chamber sliding connection of punching press seat circle has the moulded die, the shaping groove has been seted up to the inner chamber of moulded die, the inner chamber of lathe is provided with and is used for the ejecting ejection mechanism of the bolt after will shaping, the top of fixing base is provided with the shedding mechanism who is used for taking out the bolt after the shaping, and when adding man-hour, through ejection mechanism and shedding mechanism's cooperation, can be under the condition that need not manual operation, the work piece output that finishes processing, the ejection of compact is convenient, and the step is simple, effectively prevents that the condition that the back work piece adhesion that finishes can't take out in the moulded die from appearing, has simplified manufacturing procedure, increases production efficiency.
As a further scheme of the invention: the ejection mechanism comprises a hydraulic cylinder and an electric push rod which are respectively fixed in the inner cavity of the machine tool, the top of the hydraulic cylinder is fixedly connected with a push block, the inner cavity of the push block is in sliding connection with the surface of the electric push rod, the top of the push block penetrates through and extends to the inner cavity of the fixed seat, the surface of the push block is in sliding connection with the inner cavity of the fixed seat, and the top of the push block is abutted against the bottom of the forming die.
As a further scheme of the invention: the top end of the piston rod of the electric push rod is movably connected with the inner cavity of the forming groove.
As a further scheme of the invention: unloading mechanism is including fixing the rotation cylinder on the lathe surface and fixing the workbin that connects at the lathe inner chamber, the bottom of rotating the air cylinder piston rod is rotated with the top of fixing base and is connected, the fixed surface of rotating the air cylinder piston rod is connected with two pole cylinders, the one end fixedly connected with grip ring of two pole air cylinder piston rod places the work piece in last work or material rest, carries on spacingly through the work piece limiting plate, then starts actuating mechanism drive punching press seat circle and slides in the fixing base, drives the punching press seat circle and carries the below of last workbin, and actuating mechanism drive is gone up the work or material rest and is carried unloading passageway department this moment, and the work piece carries the shaping inslot of stamping seat circle inner forming die through the unloading passageway, can carry out the material loading fast to the location essence dress, the error can not appear, and the machining precision is higher.
As a further scheme of the invention: the surface of the material receiving box is provided with a discharging channel, and one end of the discharging channel penetrates through and extends to the surface of the machine tool.
As a further scheme of the invention: and the inner cavity of the fixed seat is fixedly connected with a driving mechanism for driving the stamping seat ring to slide in the inner cavity of the fixed seat.
As a further scheme of the invention: the top of the machine tool is fixedly connected with a limiting block used for limiting the stamping seat ring.
As a further scheme of the invention: the fixed surface of lathe is connected with the material loading box, the inner chamber sliding connection of material loading box has the last work or material rest through actuating mechanism driven, the top fixedly connected with work piece limiting plate of material loading frame, the feed opening has been seted up to the bottom of material loading frame, the inner chamber of material loading box set up with the unloading passageway of feed opening adaptation.
As a further scheme of the invention: and the height difference between the forming die and the double-rod cylinder when the forming die is lowered to the lowest point is larger than the length of the bolt.
The invention also discloses a working method of the discharging equipment for bolt machining, which comprises the following steps:
firstly, a workpiece is placed in a feeding frame and limited by a workpiece limiting plate, then a driving mechanism is started to drive a stamping seat ring to slide in a fixed seat, the stamping seat ring is driven to be conveyed to the lower part of a feeding box, the driving mechanism drives the feeding frame to be conveyed to a blanking channel at the moment, and the workpiece is conveyed into a forming groove of a forming die in the stamping seat ring through the blanking channel;
secondly, a stamping mechanism on the top of the machine tool is started to punch and form the workpiece, after stamping is completed, an ejection mechanism starts a hydraulic cylinder to move downwards to drive a material pushing block to move downwards, at the moment, the forming die loses extrusion and moves downwards in a stamping seat ring, then a piston rod of an electric push rod extends out to push the workpiece, the workpiece is ejected out of the forming die, and the workpiece is lifted;
step three, when the discharging mechanism is started, the double-rod cylinder drives the clamping ring to clamp the workpiece, then the workpiece is rotated to the top of the material receiving box, and the double-rod cylinder is loosened to place the workpiece into the material receiving box to finish discharging;
and step four, loading the material on the material loading box, repeating the step one and the step two, and driving the double-rod cylinder to rotate to one side of the workpiece by the rotating cylinder while repeating the step one.
Compared with the prior art, the invention has the following beneficial effects:
1. when the ejection mechanism is used for processing, the ejection mechanism is matched with the unloading mechanism, the processed workpiece can be output without manual operation, the ejection mechanism is convenient to discharge, the steps are simple, the situation that the processed workpiece is adhered to the forming die and cannot be taken out is effectively prevented, the processing procedure is simplified, and the production efficiency is increased.
2. According to the invention, the workpiece is placed in the feeding frame, the workpiece is limited by the workpiece limiting plate, then the driving mechanism is started to drive the stamping seat ring to slide in the fixing seat, the stamping seat ring is driven to be conveyed to the lower part of the feeding box, at the moment, the driving mechanism drives the feeding frame to be conveyed to the blanking channel, the workpiece is conveyed into the forming groove of the forming die in the stamping seat ring through the blanking channel, the feeding can be rapidly carried out, the positioning and the fine-assembling are realized, no error is generated, and the processing precision is higher.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a structural cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 4 is an enlarged view of a portion of the present invention at B of FIG. 2;
fig. 5 is a top view of the loading frame of the present invention.
In the figure: 1. a machine tool; 2. a fixed seat; 3. stamping the seat ring; 4. forming a mould; 5. a hydraulic cylinder; 6. an electric push rod; 7. a material pushing block; 8. rotating the cylinder; 9. a material receiving box; 10. a double-rod cylinder; 11. a clamp ring; 12. feeding a material box; 13. a limiting block; 14. a feeding frame; 15. and a workpiece limiting plate.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a be used for bolt processing to use discharge apparatus, including lathe 1 and fix fixing base 2 on lathe 1, the inner chamber sliding connection of fixing base 2 has the punching press seat circle 3 that is used for stamping forming, the inner chamber sliding connection of punching press seat circle 3 has moulded die 4, the shaping groove has been seted up to the inner chamber of moulded die 4, the inner chamber of lathe 1 is provided with and is used for the ejecting ejection mechanism of the bolt after the shaping, the top of fixing base 2 is provided with the shedding mechanism who is used for taking out the bolt after the shaping, add man-hour, through ejection mechanism and shedding mechanism's cooperation, can be under the condition that need not manual operation, the work piece output that will finish processing, the ejection of compact is convenient, simple steps, the condition that the work piece adhesion can't be taken out in moulded die 4 after effectively preventing to finish processing appears, the manufacturing procedure is simplified, and production efficiency is increased.
The ejection mechanism comprises a hydraulic cylinder 5 and an electric push rod 6 which are respectively fixed in an inner cavity of the machine tool 1, a push block 7 is fixedly connected to the top of the hydraulic cylinder 5, the inner cavity of the push block 7 is in sliding connection with the surface of the electric push rod 6, the top of the push block 7 penetrates through and extends to the inner cavity of the fixed seat 2, the surface of the push block 7 is in sliding connection with the inner cavity of the fixed seat 2, the top of the push block 7 is abutted to the bottom of the forming die 4, the stamping mechanism at the top of the machine tool 1 is started to punch and form a workpiece, after the stamping is completed, the ejection mechanism starts the hydraulic cylinder 5 to move downwards to drive the push block 7 to move downwards, the forming die 4 loses extrusion and moves downwards in the stamping seat ring 3, then a piston rod of the electric push rod 6 stretches out to push the workpiece out of the forming die 4, and the workpiece is lifted.
The top end of the piston rod of the electric push rod 6 is movably connected with the inner cavity of the forming groove, so that the processed workpiece can be conveniently ejected out.
Discharge mechanism is including fixing the revolving cylinder 8 on 1 surface of lathe and fixing the workbin 9 that connects at 1 inner chamber of lathe, the bottom of revolving cylinder 8 piston rod is rotated with the top of fixing base 2 and is connected, the fixed surface of revolving cylinder 8 piston rod is connected with double-rod cylinder 10, the one end fixedly connected with grip ring 11 of double-rod cylinder 10 piston rod, double-rod cylinder 10 drives grip ring 11 and grasps the work piece, then rotate and connect workbin 9 tops, double-rod cylinder 10 loosens and puts the work piece in connecing workbin 9, accomplish the ejection of compact.
Discharge channel has been seted up on the surface of material receiving box 9, and discharge channel's one end runs through and extends to the surface of lathe 1, exports the work piece through discharge channel.
The inner cavity of the fixed seat 2 is fixedly connected with a driving mechanism for driving the stamping seat ring 3 to slide in the inner cavity of the fixed seat 2, and the driving mechanism moves automatically without manual operation.
The top fixedly connected with of lathe 1 is used for 3 spacing stoppers 13 to the punching press seat circle, prevents that punching press seat circle 3 offside from leading to the location inaccurate.
The fixed surface of lathe 1 is connected with and goes up workbin 12, the inner chamber sliding connection of going up workbin 12 has last work or material rest 14 through the actuating mechanism driven, the top fixedly connected with work piece limiting plate 15 of going up work or material rest 14, place the work piece in last work or material rest 14, it is spacing through work piece limiting plate 15, the feed opening has been seted up to the bottom of going up work or material rest 14, the unloading passageway with the feed opening adaptation is seted up to the inner chamber of going up workbin 12, start actuating mechanism drive punching press seat circle 3 and slide in fixing base 2, drive punching press seat circle 3 and carry the below of going up workbin 12.
The height difference between the forming die 4 and the double-rod cylinder 10 when the forming die is lowered to the lowest point is larger than the length of the bolt.
The invention also discloses a working method of the discharging equipment for bolt machining, which comprises the following steps:
firstly, a workpiece is placed in a feeding frame 14 and limited by a workpiece limiting plate 15, then a driving mechanism is started to drive a stamping seat ring 3 to slide in a fixed seat 2, the stamping seat ring 3 is driven to be conveyed to the lower part of a feeding box 12, the driving mechanism drives the feeding frame 14 to be conveyed to a discharging channel at the moment, the workpiece is conveyed into a forming groove of a forming die 4 in the stamping seat ring 3 through the discharging channel, the stamping seat ring 3 is driven to slide rightwards to the lower part of the discharging channel of the feeding box 12 through the driving mechanism, the feeding frame 14 is driven to convey leftwards through the mechanism, a discharging port is driven to be overlapped with the discharging channel, and the workpiece falls into the stamping seat ring 3 along the discharging port and the discharging channel at the moment;
secondly, a stamping mechanism at the top of the machine tool 1 is started to punch and form the workpiece, after stamping is completed, an ejection mechanism starts a hydraulic cylinder 5 to move downwards to drive a material pushing block 7 to move downwards, at the moment, a forming die 4 loses extrusion and moves downwards in a stamping seat ring 3, then a piston rod of an electric push rod 6 extends out to push the workpiece, the workpiece is ejected out of the forming die 4, and the workpiece is lifted;
step three, when the discharging mechanism is started, the double-rod cylinder 10 drives the clamping ring 11 to clamp the workpiece, then the workpiece is rotated to the top of the material receiving box 9, and the double-rod cylinder 10 is loosened to place the workpiece into the material receiving box 9 to finish discharging;
and step four, loading the material on the loading box 12, repeating the step one and the step two, and driving the double-rod cylinder 10 to rotate to one side of the workpiece by the rotating cylinder 8 while repeating the step one.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a be used for bolt processing to use discharge apparatus, includes lathe (1) and fixes fixing base (2) on lathe (1), its characterized in that: the inner cavity of the fixed seat (2) is connected with a stamping seat ring (3) used for stamping forming in a sliding mode, the inner cavity of the stamping seat ring (3) is connected with a forming die (4) in a sliding mode, a forming groove is formed in the inner cavity of the forming die (4), an ejection mechanism used for ejecting a formed bolt is arranged in the inner cavity of the machine tool (1), and a discharging mechanism used for taking out the formed bolt is arranged at the top of the fixed seat (2).
2. The discharging device for bolt processing according to claim 1, wherein: the ejection mechanism comprises a hydraulic cylinder (5) and an electric push rod (6) which are respectively fixed in an inner cavity of the machine tool (1), the top of the hydraulic cylinder (5) is fixedly connected with a push block (7), the inner cavity of the push block (7) is in sliding connection with the surface of the electric push rod (6), the top of the push block (7) penetrates through and extends to the inner cavity of the fixed seat (2), the surface of the push block (7) is in sliding connection with the inner cavity of the fixed seat (2), and the top of the push block (7) is abutted to the bottom of the forming die (4).
3. The discharging device for bolt processing according to claim 2, wherein: the top end of the piston rod of the electric push rod (6) is movably connected with the inner cavity of the forming groove.
4. The discharging device for bolt processing according to claim 1, wherein: the discharging mechanism comprises a rotating cylinder (8) fixed on the surface of the machine tool (1) and a material receiving box (9) fixed in an inner cavity of the machine tool (1), the bottom end of a piston rod of the rotating cylinder (8) is rotatably connected with the top of the fixing seat (2), a double-rod cylinder (10) is fixedly connected to the surface of the piston rod of the rotating cylinder (8), and a clamping ring (11) is fixedly connected to one end of the piston rod of the double-rod cylinder (10).
5. The discharging device for bolt processing according to claim 4, wherein: the surface of the material receiving box (9) is provided with a discharging channel, and one end of the discharging channel penetrates through and extends to the surface of the machine tool (1).
6. The discharging device for bolt processing according to claim 1, wherein: the inner cavity of the fixed seat (2) is fixedly connected with a driving mechanism for driving the stamping seat ring (3) to slide in the inner cavity of the fixed seat (2).
7. The discharging device for bolt processing according to claim 1, wherein: the top of the machine tool (1) is fixedly connected with a limiting block (13) used for limiting the stamping seat ring (3).
8. The discharging device for bolt processing according to claim 1, wherein: workbin (12) on the fixed surface of lathe (1), the inner chamber sliding connection of going up workbin (12) has last work or material rest (14) through actuating mechanism driven, the top fixedly connected with work piece limiting plate (15) of going up work or material rest (14), the feed opening has been seted up to the bottom of going up work or material rest (14), the unloading passageway with the feed opening adaptation is seted up to the inner chamber of going up workbin (12).
9. The discharging device for bolt processing according to claim 1, wherein: the height difference between the forming die (4) and the double-rod cylinder (10) when the forming die descends to the lowest point is larger than the length of the bolt.
10. A working method of unloading equipment for bolt machining is characterized in that: the method comprises the following steps:
firstly, a workpiece is placed in a feeding frame (14), the workpiece is limited through a workpiece limiting plate (15), then a driving mechanism is started to drive a stamping seat ring (3) to slide in a fixed seat (2) to drive the stamping seat ring (3) to be conveyed to the lower part of a feeding box (12), the driving mechanism drives the feeding frame (14) to be conveyed to a discharging channel at the moment, and the workpiece is conveyed into a forming groove of a forming die (4) in the stamping seat ring (3) through the discharging channel;
secondly, a punching mechanism at the top of the machine tool (1) is started to punch and form the workpiece, after punching is finished, an ejection mechanism starts a hydraulic cylinder (5) to move downwards to drive a material pushing block (7) to move downwards, at the moment, a forming die (4) loses extrusion and moves downwards in a punching seat ring (3), then a piston rod of an electric push rod (6) extends out to push the workpiece, the workpiece is ejected out of the forming die (4), and the workpiece is lifted;
step three, the discharging mechanism is started at the moment, the double-rod air cylinder (10) drives the clamping ring (11) to clamp the workpiece, then the workpiece is rotated to the top of the material receiving box (9), and the double-rod air cylinder (10) is loosened to place the workpiece into the material receiving box (9) to finish discharging;
and step four, feeding the material feeding box (12), repeating the step one and the step two, and driving the double-rod cylinder (10) to rotate to one side of the workpiece by the rotating cylinder (8) while repeating the step one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843339.8A CN113275473B (en) | 2021-07-26 | 2021-07-26 | Unloading equipment for bolt machining and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843339.8A CN113275473B (en) | 2021-07-26 | 2021-07-26 | Unloading equipment for bolt machining and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113275473A true CN113275473A (en) | 2021-08-20 |
| CN113275473B CN113275473B (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110843339.8A Active CN113275473B (en) | 2021-07-26 | 2021-07-26 | Unloading equipment for bolt machining and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113275473B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191404711A (en) * | 1914-08-21 | 1915-01-14 | James William Reynolds | Improvements relating to the Forging of the Heads of Bolts or the like. |
| KR20110005544A (en) * | 2009-07-10 | 2011-01-18 | 주식회사 삼진화스너 | Manufacturing method of welding studs |
| CN104475640A (en) * | 2014-11-29 | 2015-04-01 | 安徽六方重联机械股份有限公司 | Bolt head machining device |
| CN106424408A (en) * | 2016-08-31 | 2017-02-22 | 浙江瑞虹空调配件股份有限公司 | Accurate and continuous feeding device for punching of clutch coil housing |
| CN206065270U (en) * | 2016-08-27 | 2017-04-05 | 北京金兆博高强度紧固件有限公司 | Bolt press |
| CN211331187U (en) * | 2019-12-13 | 2020-08-25 | 湖南铂固科技股份有限公司 | Be used for fashioned hot forging punch press of bolt big end portion hole |
| CN211413418U (en) * | 2019-11-01 | 2020-09-04 | 扬州华瑞金属制品有限公司 | Metal handicraft stamping die |
| CN211965671U (en) * | 2020-01-17 | 2020-11-20 | 安徽春晟机械有限公司 | Automatic blanking machine of stamping device |
| CN212598644U (en) * | 2020-06-16 | 2021-02-26 | 无锡瑞顺机械有限公司 | Automatic gear shaft forming die of unloading |
-
2021
- 2021-07-26 CN CN202110843339.8A patent/CN113275473B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191404711A (en) * | 1914-08-21 | 1915-01-14 | James William Reynolds | Improvements relating to the Forging of the Heads of Bolts or the like. |
| KR20110005544A (en) * | 2009-07-10 | 2011-01-18 | 주식회사 삼진화스너 | Manufacturing method of welding studs |
| CN104475640A (en) * | 2014-11-29 | 2015-04-01 | 安徽六方重联机械股份有限公司 | Bolt head machining device |
| CN206065270U (en) * | 2016-08-27 | 2017-04-05 | 北京金兆博高强度紧固件有限公司 | Bolt press |
| CN106424408A (en) * | 2016-08-31 | 2017-02-22 | 浙江瑞虹空调配件股份有限公司 | Accurate and continuous feeding device for punching of clutch coil housing |
| CN211413418U (en) * | 2019-11-01 | 2020-09-04 | 扬州华瑞金属制品有限公司 | Metal handicraft stamping die |
| CN211331187U (en) * | 2019-12-13 | 2020-08-25 | 湖南铂固科技股份有限公司 | Be used for fashioned hot forging punch press of bolt big end portion hole |
| CN211965671U (en) * | 2020-01-17 | 2020-11-20 | 安徽春晟机械有限公司 | Automatic blanking machine of stamping device |
| CN212598644U (en) * | 2020-06-16 | 2021-02-26 | 无锡瑞顺机械有限公司 | Automatic gear shaft forming die of unloading |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113275473B (en) | 2021-10-01 |
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