CN112605222A - Riveting process in stamping die - Google Patents

Riveting process in stamping die Download PDF

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Publication number
CN112605222A
CN112605222A CN202011568376.4A CN202011568376A CN112605222A CN 112605222 A CN112605222 A CN 112605222A CN 202011568376 A CN202011568376 A CN 202011568376A CN 112605222 A CN112605222 A CN 112605222A
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CN
China
Prior art keywords
main product
elastic sheet
group
stamping
upper left
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.)
Pending
Application number
CN202011568376.4A
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Chinese (zh)
Inventor
蔡洁榆
陈楚佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Kun Sheng Metal Products Co ltd
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Dongguan Kun Sheng Metal Products Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Kun Sheng Metal Products Co ltd filed Critical Dongguan Kun Sheng Metal Products Co ltd
Priority to CN202011568376.4A priority Critical patent/CN112605222A/en
Publication of CN112605222A publication Critical patent/CN112605222A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, 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
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/027Combined feeding and ejecting devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)

Abstract

The invention discloses a riveting process in a stamping die, which comprises the following steps of: firstly, an original main product is placed on a first conveying mechanism to be conveyed rightwards, when the main product is conveyed to the position below a punch press at the appointed position, the punch press is controlled to punch the main product by using a first group of punching dies, and small convex hulls which are arched upwards and penetrating bending forming avoiding holes are punched on the surface of the main product; step two, feeding the upper left spring plate: the invention relates to the technical field of stamping, and discloses a method for conveying a spring piece belt forwards by using a second conveying mechanism. This riveting technology in stamping die, all connect right shell fragment and upper left shell fragment on the guide belt through location material area, and go out the little convex closure that is used for fixing a position the riveting on little convex closure earlier on the main product, take the riveting on little convex closure with the location material, can realize the accurate location of right shell fragment and upper left shell fragment, and a set of little convex closure can satisfy the different right shell fragment of structure and the location demand of upper left shell fragment simultaneously, the technology has been simplified, the accurate welding in the later stage of being convenient for, effectual machining precision and the machining efficiency of having promoted.

Description

Riveting process in stamping die
Technical Field
The invention relates to the technical field of stamping, in particular to a riveting process in a stamping die.
Background
The stamping process is a production technology for obtaining product parts with certain shape, size and performance by directly applying deformation force to a plate in a die by means of the power of conventional or special stamping equipment and deforming the plate. The plate, the die and the equipment are three elements of stamping processing. The hot stamping and the cold stamping are divided according to the stamping processing temperature. The former is suitable for processing sheet materials with high deformation resistance and poor plasticity; the latter is carried out at room temperature, is a common stamping method for thin plates, is one of the main methods for plastic working (or pressure working) of metals, and belongs to the material forming engineering technology. The die used for stamping is called stamping die, and is called stamping die for short. A die is a special tool for batch processing of material (metallic or non-metallic) into the desired punches. The stamping die is of great importance in stamping, and batch stamping production is difficult to carry out without the stamping die meeting the requirements; without an advanced die, an advanced stamping process cannot be achieved. The three elements of the stamping process, the die, the stamping equipment and the stamping material form the stamping processing, and the stamping part can be obtained only by combining the three elements.
Riveting, that is, rivet connection, is a mechanical vocabulary, and is a method for connecting a plurality of parts by upsetting a rivet rod in a rivet hole of the part and forming a rivet head by using axial force.
The existing processing technology of the terminal connecting piece shell generally divides each surface of the terminal connecting piece shell into different parts, after the terminal connecting piece shell is punched, assembled and welded in sequence, the elastic piece is welded on the surface of the shell, and then an integral assembly part is formed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a riveting process in a stamping die, which solves the problem that the accuracy of a welding position is influenced because an elastic sheet is easily deviated when being directly welded on the surface of an assembled shell.
In order to achieve the purpose, the invention is realized by the following technical scheme: a riveting process in a stamping die specifically comprises the following steps:
step one, punching a small convex hull: firstly, an original main product is placed on a first conveying mechanism to be conveyed rightwards, when the main product is conveyed to the position below a punch press at the appointed position, the punch press is controlled to punch the main product by using a first group of punching dies, and small convex hulls which are arched upwards and penetrating bending forming avoiding holes are punched on the surface of the main product;
step two, feeding the upper left spring plate: the spring piece belt is conveyed forwards by a second conveying mechanism, and is stopped when an upper left spring piece on the spring piece belt is conveyed to a position right below a second group of punching dies of the punching machine, and meanwhile, the first conveying mechanism is controlled to convey the main product rightwards until a small convex hull on the main product moves to the position right below the second group of punching dies of the punching machine;
step three, riveting the upper left spring plate: after the upper left elastic sheet is conveyed to the designated position, the punch press is controlled to drive the second group of punching dies to punch a group of small convex hulls on the front side downwards, the tops of the small convex hulls are flattened and unfolded, and the upper left elastic sheet is fixed on the surface of a main product;
step four, feeding and riveting the right elastic sheet: and after the riveting of the upper left elastic sheet is finished, controlling the first conveying mechanism to convey the main product to the next station rightwards, conveying the next group of small convex hulls to the position, driving the right elastic sheet to convey to the position by the second conveying mechanism, repeating the third step, flattening the group of small convex hulls on the rear side by the third group of stamping dies, unfolding the small convex hulls, and fixing the right elastic sheet on the surface of the main product.
Preferably, the elastic piece belt comprises a right elastic piece and a left upper elastic piece, the right sides of the right elastic piece and the left upper elastic piece are fixedly connected with a positioning material belt, and the positioning material belt is provided with a positioning hole matched with the small convex hull.
Preferably, the positioning material belts of the right elastic sheet and the left upper elastic sheet are connected to the same guide belt, the right elastic sheet and the left upper elastic sheet are distributed along the guide belt in a staggered mode, and the guide belt is clamped on the second conveying mechanism.
Preferably, the small convex hulls are divided into a front group and a rear group, the front group is fixed with the upper left elastic sheet, and the rear group is fixed with the right elastic sheet.
Preferably, in the first step, the bending forming avoiding hole is located at a side line of the bending part of the main product, the right spring piece and the upper left spring piece are both provided with a plurality of spring pieces, and the bending forming avoiding hole is located between the two spring pieces.
Preferably, in the second step and the fourth step, the second group of dies and the third group of dies are positioned in the same horizontal direction, but are staggered front and back.
Preferably, the first set of dies is arranged at a different station from the second set of dies and the third set of dies to the left.
Preferably, the left end of the main product is provided with two groups of dovetail-shaped bulges, and the right end of the main product is provided with a dovetail groove matched with the dovetail-shaped bulges.
Advantageous effects
The invention provides a riveting process in a stamping die. Compared with the prior art, the method has the following beneficial effects:
(1) the riveting process in the stamping die comprises the steps of stamping a small convex hull; feeding the upper left spring plate; step three, riveting the upper left spring plate: (ii) a Feeding and riveting the right elastic sheet; the elastic piece belt comprises a right elastic piece and a left upper elastic piece, the right sides of the right elastic piece and the left upper elastic piece are fixedly connected with a positioning material belt, the positioning material belt is provided with a positioning hole matched with the small convex hull, the positioning material belts of the right elastic piece and the left upper elastic piece are connected to the same guide belt, the right elastic piece and the left upper elastic piece are distributed along the guide belt in a staggered mode, and the guide belt is clamped on the second conveying mechanism; through all connecting right shell fragment and upper left shell fragment on the guide belt through the location material area to earlier punch out the little convex closure that is used for fixing a position the riveting on little convex closure in the main product, take the riveting in the material of will fixing a position, can realize the accurate location of right shell fragment and upper left shell fragment, and a set of little convex closure can satisfy the location demand of the different right shell fragment of structure and upper left shell fragment simultaneously, simplified technology, the accurate welding in later stage of being convenient for, effectual machining precision and the machining efficiency of having promoted.
(2) The riveting technology in the stamping die comprises a step I, wherein a bending forming avoiding hole is formed in the sideline position of the bending part of a main product, a plurality of elastic sheets are arranged on a right elastic sheet and an upper left elastic sheet, the bending forming avoiding hole is located between two elastic sheets, the bending forming avoiding hole is punched in advance, when a product is bent, the side edge of the product can be made to be bent along the bending forming avoiding hole, and then the deviation of a folded edge is effectively avoided, so that the elastic sheets are protected from being deformed.
Drawings
FIG. 1 is a flow chart of the process of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the present invention at B of FIG. 1;
FIG. 4 is an enlarged view of a portion of the invention at C of FIG. 1;
FIG. 5 is an enlarged view of a portion of the present invention at D of FIG. 1;
fig. 6 is a partial enlarged view of the finished product of the present invention.
In the figure: 1-main product, 2-small convex hull, 3-bending forming avoiding hole, 4-upper left spring plate, 5-spring plate belt, 6-right spring plate, 7-dovetail groove, 8-positioning material belt, 9-guide belt and 10-dovetail type protrusion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a riveting process in a stamping die specifically comprises the following steps:
step one, punching a small convex hull 2: firstly, the original main product 1 is placed on a first conveying mechanism to be conveyed rightwards, when the main product 1 is conveyed to the lower part of a punch press at the appointed position, the punch press is controlled to punch the main product 1 by a first group of punching dies, punching small convex hulls 2 which are arched upwards and penetrating bending forming avoiding holes 3 on the surface of the small convex hulls (the small convex hulls 2 are divided into a front group and a rear group, the front group is fixed with a left upper elastic sheet 4, and the rear group is fixed with a right elastic sheet 6. the bending forming avoiding holes 3 are positioned at the side line of the bending part of the main product 1, the right elastic sheet 6 and the left upper elastic sheet 4 are both provided with a plurality of elastic sheets, and the bending forming avoiding holes 3 are positioned between two elastic sheets, so that the bending forming avoiding holes 3 are punched in advance, when the product is bent, the side edges of the product can be bent along the bending forming avoiding holes 3, the deviation of the folded edges is effectively avoided, and the elastic sheets are protected from deformation;
step two, feeding the upper left spring plate 4: the spring piece belt 5 is conveyed forwards by a second conveying mechanism, and stops when an upper left spring piece 4 on the spring piece belt 5 is conveyed to a position right below a second group of punching dies of the punching machine, and meanwhile, the first conveying mechanism is controlled to convey the main product 1 rightwards until a small convex hull 2 on the main product 1 moves to a position right below the second group of punching dies of the punching machine;
step three, riveting the upper left spring plate 4: after the upper left elastic sheet 4 is conveyed to a designated position, the punch press is controlled to drive the second group of punching dies to punch a group of small convex hulls 2 on the front side downwards, the tops of the small convex hulls are flattened and unfolded, and the upper left elastic sheet 4 is fixed on the surface of the main product 1;
step four, feeding and riveting the right elastic sheet 6: after the riveting of the upper left elastic sheet 4 is finished, the first conveying mechanism is controlled to convey the main product 1 to the next station rightwards, meanwhile, the next group of small convex hulls 2 are conveyed to the position, then the second conveying mechanism drives the right elastic sheet 6 to be conveyed to the position, then the third step is repeated, the third group of punching dies are used for flattening the group of small convex hulls 2 on the rear side and unfolding the small convex hulls 2, and the right elastic sheet 6 is fixed on the surface of the main product 1 (the second group of punching dies and the third group of punching dies are consistent in position in the left-right horizontal direction and are staggered front to back, and the first group of punching dies are arranged on the left sides of the second group of punching dies and the.
The elastic sheet belt 5 comprises a right elastic sheet 6 and a left upper elastic sheet 4, the right sides of the right elastic sheet 6 and the left upper elastic sheet 4 are fixedly connected with a positioning material belt 8, the positioning material belt 8 is provided with positioning holes matched with the small convex hulls 2, the positioning material belts 8 of the right elastic sheet 6 and the left upper elastic sheet 4 are connected on the same guide belt 9, the right elastic sheet 6 and the left upper elastic sheet 4 are distributed along the guide belt 9 in a staggered manner, the guide belt 9 is clamped on a second conveying mechanism, the right elastic sheet 6 and the left upper elastic sheet 4 are connected on the guide belt 9 through the positioning material belt 8, the small convex hulls 2 used for positioning and riveting are punched on the main product 1, the positioning material belt 8 is riveted on the small convex hulls 2, accurate positioning of the right elastic sheet 6 and the left upper elastic sheet 4 can be realized, and a group of small convex hulls 2 can simultaneously meet the positioning requirements of the right elastic sheet 6 and the left upper elastic sheet 4 with different structures, thereby simplifying the process, the accurate welding in later stage of being convenient for, effectual machining precision and the machining efficiency of having promoted.
The left end of the main product 1 is provided with two groups of dovetail-shaped bulges 10, and the right end of the main product 1 is provided with a dovetail groove 7 matched with the dovetail-shaped bulges 10; after the materials are used up, in order to save time, the material tail and the new material head are welded so as to be capable of continuously working, the shape of the welding position is punched into a dovetail shape, and the dovetail shape can be mutually buckled to ensure firm welding and prevent falling off.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The riveting process in the stamping die is characterized in that: the method specifically comprises the following steps:
step one, punching a small convex hull (2): firstly, an original main product (1) is placed on a first conveying mechanism to be conveyed rightwards, when the main product (1) is conveyed to the lower part of a punch press at a designated position, the punch press is controlled to punch the main product (1) by using a first group of punching dies, and small convex hulls (2) which are arched upwards and penetrating bending forming avoidance holes (3) are punched on the surface of the main product;
step two, feeding the upper left spring plate (4): the spring strip (5) is conveyed forwards by a second conveying mechanism, and stops when an upper left spring (4) on the spring strip (5) is conveyed to a position right below a second group of punching dies of the punching machine, and simultaneously controls the first conveying mechanism to convey the main product (1) rightwards until a small convex hull (2) on the main product (1) moves to a position right below the second group of punching dies of the punching machine;
step three, riveting the upper left spring plate (4): after the upper left elastic sheet (4) is conveyed to a designated position, the punch press is controlled to drive the second group of punching dies to punch a group of small convex hulls (2) at the front side downwards, the tops of the small convex hulls are flattened and unfolded, and the upper left elastic sheet (4) is fixed on the surface of the main product (1);
step four, feeding and riveting the right elastic sheet (6): and after the riveting of the upper left elastic sheet (4), controlling the first conveying mechanism to convey the main product (1) to the next station rightwards, conveying the next group of small convex hulls (2) to the position, then driving the right elastic sheet (6) to convey to the position by the second conveying mechanism, repeating the third step, flattening the group of small convex hulls (2) on the rear side by using a third group of stamping dies, unfolding the small convex hulls, and fixing the right elastic sheet (6) on the surface of the main product (1).
2. The stamping in-die riveting process as claimed in claim 1, wherein: the elastic piece belt (5) comprises a right elastic piece (6) and an upper left elastic piece (4), the right sides of the right elastic piece (6) and the upper left elastic piece (4) are fixedly connected with a positioning material belt (8), and the positioning material belt (8) is provided with a positioning hole matched with the small convex hull (2).
3. The stamping in-die riveting process as claimed in claim 2, wherein: the positioning material belts (8) of the right elastic sheet (6) and the left upper elastic sheet (4) are connected to the same guide belt (9), the right elastic sheet (6) and the left upper elastic sheet (4) are distributed in a staggered mode along the guide belt (9), and the guide belt (9) is clamped on the second conveying mechanism.
4. The stamping in-die riveting process as claimed in claim 1, wherein: the small convex hulls (2) are divided into a front group and a rear group, wherein the front group is fixed with a left upper elastic sheet (4), and the rear group is fixed with a right elastic sheet (6).
5. The stamping in-die riveting process as claimed in claim 1, wherein: in the first step, the bending forming avoiding hole (3) is located at the sideline of the bending part of the main product (1), the right elastic sheet (6) and the upper left elastic sheet (4) are both provided with a plurality of elastic sheets, and the bending forming avoiding hole (3) is located between the two elastic sheets.
6. The stamping in-die riveting process as claimed in claim 1, wherein: in the second step and the fourth step, the second group of punching dies and the third group of punching dies are consistent in position in the left-right horizontal direction, but are staggered front and back.
7. The stamping in-die riveting process as claimed in claim 1, wherein: the first set of dies is arranged at the left side of the second set of dies and the third set of dies, and is respectively positioned at different stations.
8. The stamping in-die riveting process as claimed in claim 1, wherein: the left end of the main product (1) is provided with two groups of dovetail-shaped protrusions (10), and the right end of the main product (1) is provided with a dovetail groove (7) matched with the dovetail-shaped protrusions (10).
CN202011568376.4A 2020-12-26 2020-12-26 Riveting process in stamping die Pending CN112605222A (en)

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CN202011568376.4A CN112605222A (en) 2020-12-26 2020-12-26 Riveting process in stamping die

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Application Number Priority Date Filing Date Title
CN202011568376.4A CN112605222A (en) 2020-12-26 2020-12-26 Riveting process in stamping die

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115106442A (en) * 2022-06-28 2022-09-27 天津博世丰通科技有限公司 Stamping die and welding and riveting process method
CN115106439A (en) * 2022-08-30 2022-09-27 苏州铭峰精密机械有限公司 Forming method of self-riveting bent piece

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CN107096832A (en) * 2017-07-07 2017-08-29 东莞市景雄五金电子有限公司 The processing method of riveted wire rod contact in a kind of high-speed punching pressing mold
CN111889988A (en) * 2020-08-24 2020-11-06 东莞市阳耀电子技术有限公司 Preparation method of hardware plate

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CN200972940Y (en) * 2006-07-20 2007-11-07 番禺得意精密电子工业有限公司 Terminal band structure
US20090176409A1 (en) * 2008-01-07 2009-07-09 Sumitomo Electric Industries, Ltd. Cage with a finger in contact with host panel and pluggable transceiver, and a cage assembly including the cage and the pluggable transceiver
CN101304149A (en) * 2008-05-30 2008-11-12 番禺得意精密电子工业有限公司 Method for assembling conductive terminal of a plurality of electric connectors and electric connector module group thereof
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115106442A (en) * 2022-06-28 2022-09-27 天津博世丰通科技有限公司 Stamping die and welding and riveting process method
CN115106439A (en) * 2022-08-30 2022-09-27 苏州铭峰精密机械有限公司 Forming method of self-riveting bent piece
CN115106439B (en) * 2022-08-30 2023-01-03 苏州铭峰精密机械有限公司 Forming method of self-riveting bending piece

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RJ01 Rejection of invention patent application after publication

Application publication date: 20210406

RJ01 Rejection of invention patent application after publication