Stamping die and stamping structure for riveting double material belts

Abstract

The utility model relates to a stamping die and a stamping structure for riveting double material belts. The stamping die comprises a material pressing die unit, a workpiece positioning unit, a plurality of stamping units and a material belt separating unit. The stamping die has the advantages that the first workpiece and the second workpiece are conveyed to the pressing die unit and positioned through the workpiece positioning unit, so that the first workpiece and the second workpiece are located at the stamping position, and the stamping precision is improved; in addition, the stamping unit is arranged, so that the stamping unit forms a V-shaped groove in the part, embedded into the first workpiece, of the second workpiece, the stamping and riveting mode can meet the connection requirements of various workpieces, continuous operation can be achieved, and the stamping and riveting device is suitable for large-scale production.

Description

TECHNICAL FIELD

[0001] The utility model relates to material band riveting technical field especially relates to a double material band riveting punch -die and stamping structure. BACKGROUND

[0002] In the metal processing industry, riveting is a commonly used connection technology. The traditional riveting method usually includes pre-punching, placing a rivet, and pressing the rivet into a step with a rivet gun or a press riveter. However, with the development of industry and the improvement of product quality requirements, the traditional riveting method has been unable to meet the needs in some application scenarios. In particular, when the shapes of the two components to be connected are complex and the precision requirements are high, the traditional riveting method often fails to achieve the desired connection effect.

[0003] In the prior art, two components to be riveted are usually shaped in different punch dies. After shaping, these components need to be connected through additional assembly processes such as welding, screwing, etc. Among them, the tooth structure riveting is a common riveting method, which presses the tooth structure of one component into another component through a special die and punch, forming a tight connection. The main feature of this riveting method is high connection strength and good reliability.

[0004] However, welding and screwing, etc. can realize the connection of components, but they may not be flexible or economical enough in some application scenarios (for example, welding may cause thermal deformation, and screwing may require additional fasteners and assembly time); in addition, due to the need for additional assembly processes and possible fasteners, the cost of the prior art is relatively high; in addition, off-line assembly and the use of multiple assembly methods reduce production efficiency, which is not conducive to mass production.

[0005] At present, there is no effective solution to the problems of low applicability, high cost and low efficiency of the component connection method in the related art. UTILITY MODEL CONTENT

[0006] The utility model aims at the deficiency in the prior art, and provides a double material band riveting punch die and stamping structure to solve the problems of low applicability, high cost and low efficiency of the component connection method in the related art.

[0007] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0008] In the first aspect, the utility model provides a double material band riveting punch die, comprising:

[0009] A blank holder die unit is provided on a processing machine table for mounting parts and for loading first and second workpieces.

[0010] a workpiece positioning unit, disposed on the press die unit, for positioning the first workpiece and the second workpiece;

[0011] a plurality of punching units, disposed on the press die unit, for punching a portion of the second workpiece, in which the first workpiece is embedded, to realize mutual riveting on the first workpiece and the second workpiece;

[0012] a material belt separating unit, disposed on the press die unit, for separating the second workpiece from a material belt under the action of the punching unit.

[0013] In some embodiments, the press die unit comprises:

[0014] an upper press element, disposed on the processing platform, for providing installation conditions for the workpiece positioning unit and the punching unit;

[0015] a lower press element, disposed on the processing platform and symmetrically arranged with the upper press element, for providing installation conditions for the material belt separating unit.

[0016] In some embodiments, the press die unit further comprises:

[0017] a first positioning groove, formed in the upper press element, for pre-positioning the first workpiece;

[0018] a second positioning groove, formed in the upper press element, for pre-positioning the second workpiece.

[0019] In some embodiments, the press die unit further comprises:

[0020] a plurality of first positioning holes, formed in the upper press element and communicating with the first positioning groove, for installing the workpiece positioning unit;

[0021] a plurality of second positioning holes, formed in the upper press element and communicating with the second positioning groove, for installing the workpiece positioning unit.

[0022] In some embodiments, the workpiece positioning unit comprises:

[0023] a plurality of first workpiece positioning elements, disposed on the press die unit, for positioning the first workpiece;

[0024] A plurality of second workpiece positioning elements are arranged on the blanking die unit for positioning the second workpiece.

[0025] In some embodiments, the punching unit comprises:

[0026] At least one punching column element is arranged on the blanking die unit, and the end of the punching column element penetrates through the blanking die unit.

[0027] At least one punching head element is arranged on the end of the punching column element for punching the part of the second workpiece embedded with the first workpiece to realize mutual riveting of the first workpiece and the second workpiece.

[0028] In some embodiments, the tape separation unit comprises:

[0029] A tape separation element is arranged on the blanking die unit and symmetrically arranged with the punching unit for separating the second workpiece from the tape under the action of the punching unit.

[0030] In a second aspect, the present application further provides a double-tape riveting punching structure formed by the punching of the punching die of the first aspect, comprising:

[0031] A first tape has a plurality of first workpieces arranged on the first tape.

[0032] A second tape has a plurality of second workpieces arranged on the second tape, and the first workpieces and the second workpieces are embedded with each other.

[0033] In some embodiments, the first workpiece comprises:

[0034] A plurality of riveting grooves are formed in the first workpiece for local embedding of the second workpiece.

[0035] The second workpiece comprises:

[0036] A plurality of riveting blocks are formed in the second workpiece for embedding the riveting grooves.

[0037] In some embodiments, further comprising:

[0038] A plurality of punching grooves are formed in the riveting blocks by the punching die for realizing riveting of the first workpiece and the second workpiece.

[0039] The utility model discloses the above technical scheme compares with prior art, has the following technical effects.

[0040] The utility model discloses a kind of stamping die and stamping structure of double material band riveting, by conveying first workpiece and second workpiece to pressure material die unit and positioning by workpiece positioning unit, so that first workpiece and second workpiece are located at stamping position, improve stamping precision;In addition, by setting up stamping unit, so that stamping unit forms V-shaped groove in the part of second workpiece embedding first workpiece, this kind of stamping riveting mode can be applicable to the connection needs of multiple workpieces, and continuous operation can be realized, applicable to large-scale production. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 It is the schematic diagram of stamping die according to the utility model embodiment;

[0042] Figure 2 It is the schematic diagram of pressure material die unit according to the utility model embodiment;

[0043] Figure 3 It is the schematic diagram of workpiece positioning unit according to the utility model embodiment;

[0044] Figure 4 It is the schematic diagram of stamping unit according to the utility model embodiment;

[0045] Figure 5 It is the schematic diagram of material band separation unit according to the utility model embodiment;

[0046] Figure 6 It is the schematic diagram of stamping structure according to the utility model embodiment;

[0047] Figure 7 It is the schematic diagram of first workpiece and second workpiece according to the utility model embodiment.

[0048] Wherein, the reference signs are: 100, pressure material die unit;110, upper pressure material element;111, first positioning groove;112, second positioning groove;113, first positioning hole;114, second positioning hole;115, mounting hole;120, lower pressure material element;

[0049] 200, workpiece positioning unit;210, first workpiece positioning element;220, second workpiece positioning element;

[0050] 300, stamping unit;310, stamping column element;320, stamping head element;

[0051] 400, material band separation unit;

[0052] 500, first material band;510, first workpiece;511, riveting groove;

[0053] 600, second material strip; 610, second workpiece; 611, riveting block; 612, stamping groove. DETAILED DESCRIPTION

[0054] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is described and explained below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application. Based on the examples provided in the present application, all other examples obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0055] It is obvious that the drawings described below are only some examples or embodiments of the present application, and for those of ordinary skill in the art, the present application can be applied to other similar scenarios without creative labor on the basis of these drawings. In addition, it can be understood that although the efforts made in this development process can be complex and lengthy, for those of ordinary skill in the art related to the content disclosed in the present application, some design, manufacture or production changes based on the technical content disclosed in the present application are only routine technical means and should not be understood as insufficient disclosure of the present application.

[0056] In the present application, "embodiment" means that the specific features, structures or characteristics described in combination with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase at various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is not mutually exclusive with other embodiments. It is explicitly and implicitly understood by those of ordinary skill in the art that the embodiments described in the present application can be combined with other embodiments without conflict.

[0057] Embodiment 1

[0058] The present embodiment relates to the stamping die of the double-material-strip riveting in the present utility model.

[0059] One illustrative embodiment of the present utility model, such as Figure 1As shown in the drawings, a double-belt riveting stamping die comprises a material pressing die unit 100, a workpiece positioning unit 200, a plurality of stamping units 300, and a belt separating unit 400. The material pressing die unit 100 is arranged on a processing machine table and is used for mounting parts and accommodating first workpieces and second workpieces; the workpiece positioning unit 200 is arranged on the material pressing die unit 100 and is used for positioning the first workpieces and the second workpieces; the plurality of stamping units 300 are arranged on the material pressing die unit 100 and are used for stamping a portion of the second workpiece in which the first workpiece is embedded to realize mutual riveting of the first workpiece and the second workpiece; and the belt separating unit 400 is arranged on the material pressing die unit 100 and is used for separating the second workpiece from a belt under the action of the stamping unit 300.

[0060] As shown in the drawings, Figure 2 and Figure 3 The material pressing die unit 100 comprises an upper material pressing element 110 and a lower material pressing element 120. The upper material pressing element 110 is arranged on the processing machine table and is used for providing mounting conditions for the workpiece positioning unit 200 and the stamping unit 300; and the lower material pressing element 120 is arranged on the processing machine table and is symmetrically arranged with the upper material pressing element 110, and is used for providing mounting conditions for the belt separating unit 400.

[0061] Specifically, the upper material pressing element 110 is arranged in a square plate structure, and the upper material pressing element 110 is connected with a driving device of the processing machine table, that is, the upper material pressing element 110 can be raised or lowered under the driving of the driving device.

[0062] In some embodiments, the upper material pressing element 110 comprises, but is not limited to, a stainless steel plate.

[0063] Further, the material pressing die unit 100 further comprises a first positioning groove 111 and a second positioning groove 112. The first positioning groove 111 is formed in the upper material pressing element 110 and is used for pre-positioning the first workpieces; and the second positioning groove 112 is formed in the upper material pressing element 110 and is used for pre-positioning the second workpieces.

[0064] It should be noted that the first positioning groove 111 is arranged on a side surface of the upper material pressing element 110 close to the lower material pressing element 120, and the first positioning groove 111 is arranged along the length direction of the upper material pressing element 110, that is, the first workpieces can move in the first positioning groove 111 under the action of a belt conveying device.

[0065] It should be noted that the second positioning groove 112 is arranged on a side surface of the upper material pressing element 110 close to the lower material pressing element 120, and the second positioning groove 112 is arranged along the width direction of the upper material pressing element 110, that is, the second workpieces can move in the second positioning groove 112 under the action of the belt conveying device.

[0066] Further, the material pressing die unit 100 further comprises a plurality of first positioning holes 113 and a plurality of second positioning holes 114. Among them, the plurality of first positioning holes 113 are formed in the upper material pressing element 110 and communicate with the first positioning groove 111, and are used to install the workpiece positioning unit 200; the plurality of second positioning holes 114 are formed in the upper material pressing element 110 and communicate with the second positioning groove 112, and are used to install the workpiece positioning unit 200.

[0067] It should be noted that the first positioning hole 113 is provided through the upper material pressing element 110, and the axial direction of the first positioning hole 113 is vertically arranged.

[0068] It should be noted that the plurality of first positioning holes 113 are arranged in two rows along the length direction of the first positioning groove 111 on the upper material pressing element 110, and each row has a plurality of first positioning holes 113.

[0069] It should be noted that the position of the first positioning hole 113 on the upper material pressing element 110 can be adaptively set according to the hole on the material belt, which is not limited too much here.

[0070] It should be noted that the second positioning hole 114 is provided through the upper material pressing element 110, and the axial direction of the second positioning hole 114 is vertically arranged.

[0071] It should be noted that the plurality of second positioning holes 114 are arranged in two rows along the length direction of the second positioning groove 112 on the upper material pressing element 110, and each row has a plurality of second positioning holes 114.

[0072] It should be noted that the position of the second positioning hole 114 on the upper material pressing element 110 can be adaptively set according to the hole on the material belt, which is not limited too much here.

[0073] Further, the upper material pressing element 110 further comprises a plurality of mounting holes 115. Among them, the plurality of mounting holes 115 are formed on the upper material pressing element 110 and are used for the stamping unit 300 to pass through.

[0074] It should be noted that the mounting hole 115 is provided through the upper material pressing element 110, and the mounting hole 115 is vertically arranged.

[0075] It should be noted that the number of mounting holes 115 is 4, and the 4 mounting holes 115 are symmetrically arranged along the length direction and the width direction of the upper material pressing element 110.

[0076] In addition, the number of mounting holes 115 can also be 2, 6, etc., that is, the number of mounting holes 115 can be set according to the actual stamping demand of the workpiece, which is not limited too much here.

[0077] Specifically, the downward pressing material element 120 is in the form of a square plate structure, and is connected to the processing machine and located directly below the upward pressing material element 110, thereby providing installation conditions for the material belt separation unit 400.

[0078] In some embodiments, the downward pressing material element 120 includes, but is not limited to, a stainless steel plate.

[0079] As shown in Figure 3 The workpiece positioning unit 200 includes a plurality of first workpiece positioning elements 210 and a plurality of second workpiece positioning elements 220. The plurality of first workpiece positioning elements 210 are arranged on the pressing die unit 100 and used for positioning the first workpiece, and the plurality of second workpiece positioning elements 220 are arranged on the pressing die unit 100 and used for positioning the second workpiece.

[0080] Specifically, the first workpiece positioning element 210 is arranged in the first positioning hole 113 on the upward pressing material element 110 and is threadedly connected to the upward pressing material element 110. The end of the first workpiece positioning element 210 can pass through the hole on the material belt of the first workpiece, thereby achieving positioning of the first workpiece.

[0081] In some embodiments, the first workpiece positioning element 210 includes, but is not limited to, a positioning pin.

[0082] It should be noted that the number of first workpiece positioning elements 210 is adapted to the number of first positioning holes 113 on the upward pressing material element 110. It should be understood that the number of first workpiece positioning elements 210 is the same as the number of first positioning holes 113 on the upward pressing material element 110.

[0083] Specifically, the second workpiece positioning element 220 is arranged in the second positioning hole 114 on the upward pressing material element 110 and is threadedly connected to the upward pressing material element 110. The end of the second workpiece positioning element 220 can pass through the hole on the material belt of the second workpiece, thereby achieving positioning of the second workpiece.

[0084] In some embodiments, the second workpiece positioning element 220 includes, but is not limited to, a positioning pin.

[0085] It should be noted that the number of second workpiece positioning elements 220 is adapted to the number of second positioning holes 114 on the upward pressing material element 110. It should be understood that the number of second workpiece positioning elements 220 is the same as the number of second positioning holes 114 on the upward pressing material element 110.

[0086] As shown in Figure 4As shown, the stamping unit 300 includes at least one stamping column element 310 and at least one stamping head element 320. Among them, the stamping column element 310 is arranged on the material pressing die unit 100, and the end of the stamping column element 310 penetrates through the material pressing die unit 100; the stamping head element 320 is arranged on the end of the stamping column element 310, and is used for stamping the part of the second workpiece embedded with the first workpiece to realize mutual riveting of the first workpiece and the second workpiece.

[0087] Specifically, the stamping column element 310 is connected with the upper material pressing element 110 by welding, riveting or bolt fixing and the like, and the end of the stamping column element 310 penetrates through the mounting hole 115 of the upper material pressing element 110.

[0088] In some embodiments, the stamping column element 310 includes but is not limited to a stainless steel column.

[0089] It should be noted that the number of stamping column elements 310 is matched with the number of mounting holes 115; it should be understood that the number of stamping column elements 310 is the same as the number of mounting holes 115.

[0090] Specifically, the stamping head element 320 is formed on the end of the stamping column element 310, and the stamping head element 320 has two V-shaped protrusions, which are arranged at intervals on the stamping head element 320, that is, under the condition that the stamping column element 310 is pressed down, corresponding V-shaped grooves can be formed on the part of the second workpiece embedded with the first workpiece, so that the part of the second workpiece embedded with the first workpiece can be deformed, and riveting of the first workpiece and the second workpiece can be realized.

[0091] In some embodiments, the stamping head element 320 includes but is not limited to a W-shaped protrusion.

[0092] It should be noted that the number of stamping head elements 320 is matched with the number of stamping column elements 310; it should be understood that the number of stamping head elements 320 is the same as the number of stamping column elements 310.

[0093] As shown, Figure 5 The material belt separating unit 400 includes a material belt separating element. Among them, the material belt separating element is arranged on the material pressing die unit 100 and is arranged symmetrically with the stamping unit 300, and is used for separating the second workpiece from the material belt under the action of the stamping unit 300.

[0094] Specifically, the material belt separating element is installed on the lower material pressing element 120 by welding, riveting or bolt fixing and the like, and the position of the material belt separating element on the lower material pressing element 120 corresponds to the position of the stamping unit 300.

[0095] In some embodiments, the material belt separating element includes but is not limited to a concave die.

[0096] In addition, the groove part on the material belt separating element is shaped to match the shape of the second workpiece, so that the second workpiece is conveniently removed from the material belt.

[0097] The use method of the embodiment is as follows:

[0098] In actual work, the material belt conveying device conveys the first workpiece and the second workpiece into the first positioning groove 111 and the second positioning groove 112 on the upper pressing element 110 respectively;

[0099] Subsequently, the driving device drives the upper pressing element 110 to press downward, so that the first workpiece positioning element 210 and the second workpiece positioning element 220 on the upper pressing element 110 are respectively embedded into the corresponding holes on the material belt of the first workpiece and the second workpiece, so as to realize positioning of the first workpiece and the second workpiece;

[0100] Finally, the driving device continues to drive the upper pressing element 110 to press downward, so that the stamping head element 320 forms a V-shaped groove in the part of the second workpiece embedded in the first workpiece, that is, the riveting of the first workpiece and the second workpiece is realized through the deformation of the part of the area; in addition, while the stamping head element 320 is working, the bottom of the second workpiece abuts against the material belt separating element, and the second workpiece is embedded into the groove of the material belt separating element through the downward pressing action, so as to realize separation of the second workpiece.

[0101] The embodiment has the advantages that the first workpiece and the second workpiece are conveyed to the pressing die unit and positioned by the workpiece positioning unit, so that the first workpiece and the second workpiece are located at the stamping position, and the stamping precision is improved; in addition, the stamping unit is arranged, so that the stamping unit forms a V-shaped groove in the part of the second workpiece embedded in the first workpiece, this kind of stamping and riveting mode can be applied to the connection requirements of various workpieces, and continuous operation can be realized, and is suitable for large-scale production.

[0102] Embodiment 2

[0103] The embodiment relates to a stamping structure for double-material-belt riveting in the utility model.

[0104] As shown in Figure 6 and Figure 7 A stamping structure for double-material-belt riveting, which is formed by stamping the stamping die as described in Embodiment 1, comprises a first material belt 500 and a second material belt 600. The first material belt 500 has a plurality of first workpieces 510 arranged on the first material belt 500; the second material belt 600 has a plurality of second workpieces 610 arranged on the second material belt 600, and the first workpieces 510 and the second workpieces 610 are embedded with each other.

[0105] Specifically, the first workpieces 510 on the first material strip 500 are arranged in an interval manner, and the first material strip 500 has holes on both sides in the width direction, which can be embedded by the positioning elements 210 of the first workpieces 510 to realize the positioning of the first material strip 500, and then realize the positioning of the first workpieces 510.

[0106] In some embodiments, the first material strip 500 includes but is not limited to a metal material strip.

[0107] Specifically, the second workpieces 610 on the second material strip 600 are arranged in an interval manner, and the second material strip 600 has holes on both sides in the width direction, which can be embedded by the positioning elements 220 of the second workpieces 610 to realize the positioning of the second material strip 600, and then realize the positioning of the second workpieces 610.

[0108] In some embodiments, the second material strip 600 includes but is not limited to a metal material strip.

[0109] Further, the first workpieces 510 include a plurality of riveting grooves 511. Among them, a plurality of riveting grooves 511 are formed on the first workpieces 510 for the local embedding of the second workpieces 610.

[0110] It should be noted that the number of riveting grooves 511 on the first workpieces 510 is 4, and the 4 riveting grooves 511 are arranged in a horizontal and vertical manner on the first workpieces 510.

[0111] It should be noted that the number of riveting grooves 511 on the first workpieces 510 can be set according to the actual connection strength requirement of the first workpieces 510 and the second workpieces 610, which is not limited here.

[0112] Further, the second workpieces 610 include a plurality of riveting blocks 611. Among them, a plurality of riveting blocks 611 are formed on the second workpieces 610 for embedding the riveting grooves 511.

[0113] It should be noted that the number of riveting blocks 611 on the second workpieces 610 is 4, and the 4 riveting blocks 611 are arranged in a horizontal and vertical manner on the second workpieces 610, that is, the 4 riveting blocks can be embedded in the corresponding riveting grooves 511.

[0114] It should be noted that the number of riveting blocks 611 on the second workpieces 610 is matched with the number of riveting grooves 511; it should be understood that the number of riveting blocks 611 on the second workpieces 610 is the same as the number of riveting grooves 511.

[0115] Further, the stamping structure further includes a plurality of stamping grooves 612. Among them, a plurality of stamping grooves 612 are formed on the riveting blocks 611 by a stamping die, for realizing the riveting of the first workpieces 510 and the second workpieces 610.

[0116] It should be noted that the number of the punching grooves 612 on one riveting block 611 is 2, and the 2 punching grooves 612 are arranged along the length direction of the riveting block 611.

[0117] It should be noted that the number of the punching grooves 612 formed on the riveting block 611 is matched with the structure of the punching head element 320 in the punching die.

[0118] The use method and advantages of the embodiment are the same as those of the embodiment 1, and will not be described here.

[0119] The technical features of the above-described embodiments can be combined arbitrarily, and for the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the description.

[0120] The above-described embodiments only express several implementation manners of the application, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, on the premise of not departing from the concept of the application, a number of modifications and improvements can be made, which belong to the protection scope of the application. Therefore, the protection scope of the patent of the application should be subject to the appended claims.

Claims

1. A double strap riveting press die characterized by, The utility model relates to a riveting device for riveting first workpieces and second workpieces, comprising: a pressing die unit arranged on a processing machine for mounting the first workpieces and the second workpieces; a workpiece positioning unit arranged on the pressing die unit for positioning the first workpieces and the second workpieces; a plurality of stamping units arranged on the pressing die unit for stamping the portions of the second workpieces in which the first workpieces are embedded to realize mutual riveting of the first workpieces and the second workpieces; a material belt separating unit arranged on the pressing die unit for separating the second workpieces from the material belt under the action of the stamping units.

2. The stamping die of claim 1, wherein, The pressing die unit comprises: an upper pressing element arranged on the processing machine for providing mounting conditions for the workpiece positioning unit and the stamping units; a lower pressing element arranged on the processing machine and symmetrically arranged with the upper pressing element for providing mounting conditions for the material belt separating unit.

3. The stamping die of claim 2, wherein, The pressing die unit further comprises: a first positioning groove formed in the upper pressing element for pre-positioning the first workpieces; a second positioning groove formed in the upper pressing element for pre-positioning the second workpieces.

4. The stamping die of claim 3, wherein, The pressing die unit further comprises: a plurality of first positioning holes formed in the upper pressing element and communicating with the first positioning groove for mounting the workpiece positioning unit; a plurality of second positioning holes formed in the upper pressing element and communicating with the second positioning groove for mounting the workpiece positioning unit.

5. The stamping die of claim 1, wherein, The workpiece positioning unit comprises: a plurality of first workpiece positioning elements arranged on the pressing die unit for positioning the first workpieces; a plurality of second workpiece positioning elements arranged on the pressing die unit for positioning the second workpieces.

6. The stamping die of claim 1, wherein, The stamping unit comprises: at least one stamping column element arranged on the pressing die unit, and the end of the stamping column element penetrating through the pressing die unit; at least one stamping head element arranged on the end of the stamping column element for stamping the portions of the second workpieces in which the first workpieces are embedded to realize mutual riveting of the first workpieces and the second workpieces.

7. The stamping die of claim 1, wherein, The material belt separating unit comprises: a material belt separating element arranged on the pressing die unit and symmetrically arranged with the stamping unit for separating the second workpieces from the material belt under the action of the stamping units.

8. A double strap riveted press structure formed by press working using the press die according to any one of claims 1 to 7, characterized by, The utility model relates to a riveting device for riveting first workpieces and second workpieces, comprising: a first material belt having a plurality of first workpieces arranged on the first material belt; a second material belt having a plurality of second workpieces arranged on the second material belt, and the first workpieces and the second workpieces are embedded with each other.

9. The stamping structure of claim 8, wherein, The first workpiece comprises: a plurality of riveting grooves formed in the first workpiece for embedding the local portion of the second workpiece; The second workpiece comprises: A plurality of riveting blocks are formed on the second workpiece and are used for embedding the riveting grooves.

10. The stamping structure of claim 9, wherein, Also included are: A plurality of punching grooves are formed in the riveting blocks by the punching die and are used for riveting the first workpiece and the second workpiece.

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