CN219151363U - Step-by-step stamping assembly device for floating supporting plate nuts - Google Patents

Abstract

The utility model relates to the technical field of aviation standard component processing, in particular to a step-by-step stamping assembly device for a floating support plate nut. The nut forming die comprises a first stamping die for stamping one folded piece of a support for forming a supporting plate nut and a second stamping die for forming the other folded piece of the support, wherein a concave die of the second stamping die is provided with a first avoidance groove for avoiding a bottom plate of the support and a lug piece of a nut body, and a convex die of the second stamping die is provided with a second avoidance groove for avoiding a nut body. The setting is firstly to bend one side folded piece of the bracket, then the lug piece on one side of the nut body passes through the nut body moving hole on the side, and the screw part of the nut body is clung to the folded one side folded piece, so that the lug piece on the other side of the nut body is not interfered with the folded piece, in the second stamping stroke, the folded piece which is not folded is folded, the lug piece on the other side of the nut body passes through the nut body moving hole on the folded side in the second stamping stroke, and the step-by-step stamping assembly of the moving support plate nut is realized.

Description

Step-by-step stamping assembly device for floating supporting plate nuts

Technical Field

The utility model relates to the technical field of aviation standard component processing, in particular to a step-by-step stamping assembly device for a floating support plate nut.

Background

The moving support plate self-locking nut is one of all-metal self-locking nuts, and generally comprises a bracket and a nut body, wherein the nut body has certain longitudinal and transverse movement on the bracket for compensating hole pitch or installation errors. For example, a double-lug floating support plate double-thread self-locking nut disclosed in chinese patent application publication No. CN104533923a and publication No. 2015.04.22, as shown in fig. 1, includes a support 120 and a nut body 110, where the support 120 includes a bottom plate 121 and two flaps 122 integrally connected to the bottom plate 121, the flaps 122 are provided with nut body floating holes through which the two lugs 111 at the bottom of the nut body 110 are inserted, the bottom plate is provided with riveting holes 124, and in addition, the flaps 122 are further provided with outer arc edges for assembling the nut body with larger screw. When assembled, the nut body 110 is placed on the bottom plate 121 and the two flaps 122 are folded 90 ° along the flaps so that the tabs on the nut body pass through the nut body clearance holes to retain the nut body.

When the floating support plate nut is assembled, the nut body is machined, the support is pre-bent and formed, then the folding pieces on two sides of the support are unfolded to put the nut body into the bending module, the nut body and the folding pieces are put into the bending module together, the pneumatic bench clamp is used for feeding the bending support to complete assembly of the assembly, and finally the reset floating support plate nut is leveled, so that the process is complex, and the folding pieces are repeatedly bent to cause metal fatigue damage to the folding pieces. In order to facilitate the installation of nut bodies on a bracket, in the prior art, chinese patent utility model with bulletin number of CN211727094U and bulletin date of 2020, 10 months and 23 days discloses a swimming pallet nut processing tool, which comprises: a base; the fixed die is integrally arranged or fixedly connected with the base, and the movable die is opposite to the fixed die and is assembled on the base in a guiding way; wherein: the molding surfaces of the fixed mold and the movable mold comprise supporting surfaces for supporting a support bottom plate in the floating support plate nut and pressing surfaces for applying pressure along the mold closing direction of the fixed mold and the movable mold to the support folding plate; the tool also comprises a punch press, wherein the punch press is a plane connecting rod mechanism or a cam push rod mechanism, and the linear output end of the plane connecting rod mechanism or the cam push rod mechanism is connected with the movable die and can drive the movable die to linearly move towards and away from the fixed die.

In the technology, the nut body is placed on the bracket, and the plane connecting rod mechanism or the cam pushing rod mechanism is utilized to apply force to the folded piece of the bracket in the horizontal direction so as to deform the folded piece under force. Although the above-mentioned technique can accomplish the assembly to the bending of support and the layer board nut that moves about, and the support has not been buckled repeatedly, and then avoided the metal fatigue of support, but broken away from this kind of assembly line equipment of punch press, there is assembly efficiency low, unable mass production satisfies the problem of market demand, and, as shown in fig. 2, because the nut body is put on the support and assembles, the lug of the nut body is too big can make the lug frame on the folded sheet, in the assembly process, the lug of the nut body can interfere with the folded sheet of buckling, and then produces unable problem of assembly.

Disclosure of Invention

The utility model aims to provide a step-by-step stamping assembly device for a floating support plate nut, which solves the problems that in the prior art, punch equipment cannot be used for assembling the floating support plate nut, the assembly efficiency is low, mass production cannot be realized, and market demands cannot be met, and in the assembly process, the lug of a nut body is too large to interfere with the folded piece of a bracket, so that the assembly cannot be realized.

In order to solve the problems, the technical scheme of the step-by-step stamping and assembling device for the floating support plate nut is as follows:

the step-by-step stamping assembly device for the floating support plate nut comprises a first stamping die for stamping one of the folding plates of the support for forming the support plate nut and a second stamping die for forming the other folding plate of the support, wherein a concave die of the second stamping die is provided with a first avoidance groove for avoiding a bottom plate of the support and a lug of a nut body of the support plate nut, and a convex die of the second stamping die is provided with a second avoidance groove for avoiding a nut body.

The beneficial effects are that: when the nut body is placed on the bracket for assembly, as the lugs of the nut body are longer, the lugs are arranged on the folded pieces of the bracket, and when the nut body is assembled by punching, the lugs of the nut body interfere with the folded pieces by bending, so that the punching assembly is failed finally. And in the first stamping stroke, the support is firstly put on the first stamping die, the first stamping die bends and forms the folded sheet on one side of the support, the nut body is put on the support before the second stamping stroke, one side lug of the nut body penetrates through the nut body moving hole formed on one side of the bent folded sheet, the screw part of the nut body abuts against the bent folded sheet, the other side lug of the nut body moves towards the bottom plate, the other side lug of the nut body is further prevented from falling on the non-bent folded sheet, finally the assembly body in the pre-assembled state is put on the concave die of the second stamping die, at the moment, the convex die of the second stamping die starts to punch the concave die, the bottom plate of the support and the first avoiding groove of the lug sheet of the nut body of the supporting plate nut are arranged on the concave die, the bottom plate and the nut body are contained in the first avoiding groove, the folded sheet of the non-bent folded sheet is supported by the pressure of the convex die of the second stamping die and the groove edge of the first groove, the two side lugs are interacted with each other, the second bending sheet is not deformed, and the second bending groove is not influenced by the gravity of the convex die, and the first nut body is prevented from falling into the first avoiding groove by the self, and the second nut body is not influenced by the gravity. At the moment, the lug on the other side of the nut body passes through the floating hole of the nut body on one side of the other lug formed by the second stamping die, and the stamping assembly of the nut body with the larger lug on the bracket is completed. When the lug size of the nut body is longer, the lug of the bracket is bent firstly, one side lug of the nut body passes through the nut body moving hole formed by the bent lug by utilizing the moving amount of the nut body on the bottom plate, the nut body is tightly leaned against the bent lug, the other side lug of the nut body also moves along with the nut body, the other side lug does not interfere with the bending lug, the problem that the nut body is difficult to put into the bracket for punching and assembling is solved, and smooth processing of a product is ensured. And the assembly of the floating support plate nut can be carried out on a production line without manual operation, so that the working procedures of pre-bending, opening, secondary bending, leveling after product assembly and the like of a support are eliminated, the assembly process is simplified, the defects that the inner surface of the support is scratched by a spreading tool or a nut body, lugs of the nut body are not attached to the support and the like are avoided, and secondary damage is caused in the process of leveling the bottom surface of the support, and further the quality of products is improved.

Further improved, the contact section of the male die of the second stamping die and the folding piece is an arc transition section, and the groove edge of the first avoidance groove is arc-shaped.

The beneficial effects are that: in the stamping process, the force to which the folded piece is subjected is very huge, and the arrangement avoids damage to the folded piece to be bent caused by overlarge shearing force formed by the stamping force of the male die of the second stamping die and the support of the groove edge of the first avoidance groove in the second stamping stroke. The force that the hem of a folded piece receives at the groove edge of the first avoidance groove and the male die of the second stamping die is changed into an arc-shaped surface from the line, so that the process of laminating the hem of the folded piece is realized, the impact force in the stamping process is slowed down, and further, the metal fatigue damage of the folded piece is avoided.

Further improved, the male die of the first stamping die and the male die of the second stamping die are both provided with arc-shaped forming structures for supporting the outer arc edges of the folded sheets of the support.

The beneficial effects are that: the setting makes the fin in the in-process of buckling, the outer arc limit of fin is supported by arc shaping structure and ends, and then atress deformation buckles, in the punching press stroke for the first time, the outer arc limit of being buckled has enlarged the coverage, and the screw portion of nut body is circular also, and then before the punching press stroke for the second time, the nut body moves about the hole with the lug of outer arc limit homonymy of being buckled through the nut body of this side, the screw portion of nut body moves to the outer arc limit of being buckled, until the lug of screw portion part hugs closely this outer arc limit, thereby drive the lug of nut body opposite side to the bottom plate remove, and then make the lug of nut body opposite side keep away from the fin of not buckling, make this side lug put up on the nut body of this side moves about the hole, and this setting also can make the support hold the nut body of bigger screw portion.

Further improved, the arc-shaped forming structure is integrally formed on the peripheral wall of the male die of the first stamping die and the peripheral wall of the male die of the second stamping die.

The beneficial effects are that: the arc-shaped forming structure is integrated on the male die of the first stamping die and the male die of the second stamping die, and the arc-shaped forming structure can be formed by processing and trimming the surfaces of the first stamping die and the second stamping die, so that the structure is simplified, and the installation and the positioning of the arc-shaped forming structure are avoided.

Further improved, the female die of the second stamping die is provided with a positioning leaning block, and the positioning leaning block is used for being matched and positioned with the outer arc edge of the folded piece which is supported and deformed by the arc-shaped forming structure of the first stamping die.

The beneficial effects are that: the position that the support was placed is more accurate for the support can be in the second punching press stroke accurate place its position that should be in, guarantees that the terrace die of second stamping die can accurately take shape to the hem of folding the piece, and the groove can be accurate to holding of other parts of support to first dodging, when avoiding the second punching press stroke, the support inaccurately is placed and is led to the damage of second stamping die's terrace die to the support.

Further improved, the male die of the first stamping die is used for forming one folded sheet of the support, and the female die of the first stamping die is provided with a third avoiding groove for avoiding the bottom plate of the support and the other folded sheet of the support.

The beneficial effects are that: the setting in groove is dodged to the third makes its groove along the hem that can support one side folded piece of support, and under the mutual effect of terrace die, in the punching press stroke of first time, this side folded piece buckling deformation, and the bottom plate of support and the folded piece of support opposite side can get into the third and dodge the groove, accomplishes the punching press stroke of first time this moment.

Further improved, the contact section of the male die of the first stamping die and the folding piece is an arc transition section, and the groove edge of the third avoidance groove is arranged to be arc-shaped.

The beneficial effects are that: in the stamping process, the force to which the folded piece is subjected is very huge, and the arrangement avoids damage to the folded piece to be bent caused by overlarge shearing force formed by the stamping force of the male die of the first stamping die and the supporting of the groove edge of the third avoidance groove in the first stamping stroke. The force born by the edge of the third avoidance groove and the male die of the first stamping die is changed into an arc-shaped surface from a line, so that the folding edge of the folding sheet has a bonding process, the impact force in the stamping process is slowed down, and further, the metal fatigue damage of the folding sheet is avoided.

Further improved, the first avoidance groove and the third avoidance groove are both provided with positioning pins matched with the riveting holes of the bottom plate.

The beneficial effects are that: the position that the support was placed is more accurate for when first punching press stroke and second punching press stroke, can both be accurate carry out the punching press to the support, when avoiding twice punching press stroke, the support is placed the position and is not enough accurate to lead to the damage of the terrace die of first stamping die and the terrace die of second mould to the support.

Further improved, the male die of the first stamping die and the male die of the second stamping die share one male die.

The beneficial effects are that: the design of the male die of the first stamping die is saved, and when the second stamping stroke is performed, the second stamping stroke can be started only by replacing the female die of the first stamping die with the female die of the second stamping die, the male die does not need to be replaced, the structure is simple, the operation is convenient, and the efficiency is improved.

Further improved, a female die of the first stamping die is provided with a positioning protrusion for positioning and matching with a nut body moving hole of one folding piece of the bracket.

The beneficial effects are that: the position that the support was placed is more accurate for the support can be in the accurate position of placing in the punching press stroke of first time, guarantees that the terrace die can accurately take shape to the hem of folding the piece, and the groove can be to the accurate accommodation of other parts of support, when avoiding the punching press stroke of second time, the inaccurate damage of placing of support leads to the second mould to the support.

Drawings

FIG. 1 is a schematic view of a prior art traveling pallet nut;

FIG. 2 is a schematic view of the structure of the nut body placed on the bracket;

FIG. 3 is a schematic view of a first stamping die structure of embodiment 1 of a step-press assembly device for a traveling pallet nut;

FIG. 4 is a schematic view of a second stamping die structure of embodiment 1 of the traveling pallet nut step-press assembly device;

FIG. 5 is a schematic view of the assembly structure of the step press assembly device of embodiment 1 of the traveling pallet nut prior to the first press stroke;

FIG. 6 is a schematic view of an assembly structure of the traveling pallet nut step press assembly device of embodiment 1 completed in a first press stroke;

FIG. 7 is a schematic view showing the assembly structure of the nut body and the bracket before the second press stroke of the embodiment 1 of the step press assembly device for the traveling pallet nut;

FIG. 8 is a schematic view of the assembly structure of the step press assembly device of example 1 of the traveling pallet nut prior to the second press stroke;

FIG. 9 is a schematic diagram of an assembly structure of the traveling pallet nut step press assembly device of example 1 with the completion of the second press stroke;

reference numerals illustrate: 100. a bracket; 110. a bottom plate; 111. riveting holes; 120. a nut body; 121. a screw portion; 122. ear pieces; 130. a flap; 140. folding edges; 150. an outer arc edge; 151. a nut body swimming hole; 210. a female die of a first stamping die; 211. a third avoidance groove; 220. a male die of a first stamping die; 221. a first stamping surface; 222. a first arc-shaped protrusion; 310. a female die of a second stamping die; 311. a first avoidance groove; 320. a male die of a second stamping die; 321. a second stamping surface; 330. a second avoidance groove; 340. a second arc-shaped protrusion; 410. a positioning pin; 420. positioning the bulge; 430. positioning the leaning block; 440. a circular arc transition section; 500. and (5) punching.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

It should be noted that in the present embodiment, 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. Moreover, terms such as "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. Without further limitation, the phrase "comprising one … …" or the like, as may occur, does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the depicted element.

In the description of the present utility model, unless explicitly stated and limited otherwise, terms such as "mounted," "connected," and "connected" may be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly, indirectly through intermediaries, or in communication with the interior of the two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.

In the description of the present utility model, unless explicitly stated and limited otherwise, the term "provided" as may occur, for example, as an object of "provided" may be a part of a body, may be separately arranged from the body, and may be connected to the body, and may be detachably connected or may be non-detachably connected. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.

The present utility model is described in further detail below with reference to examples.

Embodiment 1 of the step-by-step stamping and assembling device for a traveling support plate nut provided by the utility model:

as shown in fig. 3 to 9, the step-by-step stamping assembly device for the floating support plate nut comprises a first stamping die for bending the folded piece 130 on one side of the support 100 and a second stamping die for bending the folded piece 130 on the other side of the support 100;

the structure of the first stamping die is shown in fig. 3, and comprises a female die 210 of the first stamping die and a male die 220 of the first stamping die, wherein a third avoidance groove 211 is formed in the top surface of the female die 210 of the first stamping die, the coverage area of the third avoidance groove 211 is larger than the range of a folded sheet 130 on one side of a support 100 and a bottom plate 110 of the support 100, the third avoidance groove 211 is enabled to avoid the folded sheet 130 on one side of the support 100 and the bottom plate 110, a folded edge 140 of the folded sheet 130 on the other side of the support 100 is supported by the groove edge of the third avoidance groove 211, two positioning pins 410 are arranged in the third avoidance groove 211, the distance between the two positioning pins 410 is the same as the distance between two riveting holes 111 of the bottom plate 110 of the support 100, and the two positioning pins 410 respectively penetrate through the riveting holes 111 of the bottom plate 110; the female die 210 of the first stamping die is provided with a positioning protrusion 420, and the positioning protrusion 420 forms positioning fit with a nut body moving hole 151 formed by a gap between the unbent folded sheet 130 and the bottom plate 110.

The bottom surface of the male die 220 of the first stamping die is a first stamping surface 221, the first stamping surface 221 is opposite to the third avoiding groove 211, the vertical projection of the first stamping surface 221 falls in the third avoiding groove 211, an arc-shaped forming structure with a first arc-shaped bulge 222 integrally formed on the peripheral wall of the male die 220 of the first stamping die is processed, and the position of the first arc-shaped bulge 222 is located on one side of the folded piece 130.

In this embodiment, the groove depth of the third avoidance groove 211 is smaller than or equal to the height of the nut body moving hole 151 formed by the gap between the bottom plate 110 and the folded sheet 130, and the first arc-shaped protrusion 222 extends vertically downward to a certain distance from the horizontal plane where the first stamping surface 221 is located, where the distance is the groove depth of the third avoidance groove 211, so as to avoid interference between the first arc-shaped protrusion 222 and the groove edge of the third avoidance groove 211. In other embodiments, the third relief groove 211 extends adaptively until the perpendicular projection of the first arc-shaped protrusion 222 falls into the third relief groove 211.

The structure of the second stamping die is shown in fig. 4, and comprises a female die 310 of the second stamping die and a male die 320 of the second stamping die, wherein a first avoidance groove 311 is formed in the top surface of the female die 310 of the second stamping die, and the coverage area of the first avoidance groove 311 is larger than the range of the bottom plate 110 and the range of the nut body 120, which is close to the outer arc edge 150 of the bent folded piece 130, of the nut body 120; two positioning pins 410 are arranged in the first avoidance groove 311, the distance between the two positioning pins 410 is the same as the distance between the two riveting holes 111 of the bottom plate 110, and the two positioning pins 410 respectively pass through the riveting holes 111 of the bottom plate 110 and are matched with the riveting holes 111 to form positioning; the female die 310 of the second stamping die is further provided with a positioning leaning block 430 attached to the outer surface of the outer arc edge 150 of the folded tab 130. In addition, it should be noted that the bottom of the positioning block 430 is notched to avoid the tabs 122 of the blocking nut body 120 from adapting.

The bottom surface of the male die 320 of the second stamping die is a second stamping surface 321, the second stamping surface 321 is opposite to the first avoiding groove 311, and the size range of the second stamping surface is not more than the first avoiding groove 311. The second punching surface 321 is provided with a second avoidance groove 330, the second avoidance groove 330 is divided into a avoidance screw part and a avoidance lug 122 part, the cross section of the second avoidance groove is in inverted T-shaped arrangement, the groove depth of the avoidance screw part is larger than the height of the nut body 120, and the coverage area of the avoidance screw part in the horizontal direction is larger than the range of the screw part 121 of the nut body 120; since the second press surface 321 has a size range not exceeding the second escape groove 330, the width range of the tab 122 of the nut body 120 exceeds the second press surface 321, and the escape tab 122 extends through the second press surface 321 along the width direction of the second press surface 321. The outer peripheral wall of the male die 320 of the second stamping die is integrally formed with an arc-shaped forming structure of two long second arc-shaped protrusions 340 perpendicular to the horizontal plane, and the two second arc-shaped protrusions 340 are arranged on the outer sides of two ends of the groove bottom of the avoidance tab 122, so that the second arc-shaped protrusions 340 correspond to the outer arc edges 150 of the folding tabs 130. The groove depth of the avoidance tab 122 is less than or equal to the height of the nut body travel hole 151, so that the two second arcuate projections 340 can correspond to the outer arcuate edges 150 of the two flaps 130.

In this embodiment, in order to avoid damage to the lower surface of the folded edge 140 of the folded sheet 130 caused by the oversharp edge of the third avoidance groove 211 and the edge of the first avoidance groove 311, the edge of the third avoidance groove 211 and the edge of the first avoidance groove 311 are arc-shaped.

In this embodiment, in order to avoid the upper surfaces of the two flaps 130 from being damaged by excessive instantaneous pressure of the first stamping surface 221 and the second stamping surface 321, the connection section between the first stamping surface 221 and the outer peripheral wall of the male die 220 of the first stamping die is a circular arc transition section 440, and the connection section between the second stamping surface 321 and the outer peripheral wall of the male die 320 of the second stamping die is a circular arc transition section 440.

In the present embodiment, a punch 500 is further provided, and the punch 500 drives the first punch surface 221 of the punch 220 of the first punch die to punch the third escape groove 211 and drives the second punch surface 321 of the punch 320 of the second punch die to punch the first escape groove 311.

Before the first punching stroke: as shown in fig. 5, the bracket 100 is placed on the upper surface of the female die 210 of the first stamping die, two positioning pins 410 in the third avoiding groove 211 respectively pass through two riveting holes 111 of the bottom plate 110 and form positioning fit, and positioning protrusions 420 pass through nut body floating holes 151 formed by gaps between the unbent folded sheet 130 and the bottom plate 110 and form positioning fit, so that the folded sheet 130 is supported by the groove edges of the third avoiding groove 211.

In the first punching stroke: as shown in fig. 6, the punch 220 of the first punching die is driven by the punch 500 to move downward, the first punching surface 221 contacts the bottom plate 110 and the unbent folded piece 130, the first punching surface 221, the bottom plate 110 and the unbent folded piece 130 all fall into the third avoiding groove 211, the folded edge 140 of the folded piece 130 is punched by the first punching surface 221, the folded edge 140 of the folded piece 130 is blocked by the groove edge of the third avoiding groove 211, at this time, the folded piece 130 starts to be deformed and bent upwards until the stroke is finished, the folded piece 130 is folded upwards by 90 degrees, the folded piece 130 is attached to the groove wall of the third avoiding groove 211, at the same time, the outer arc edge 150 of the folded piece 130 is blocked by the first arc-shaped protrusion 222, and starts to be deformed under force until the outer arc edge 150 of the folded piece 130 is attached to the first arc-shaped protrusion 222, at this time, and the folding of one folded piece 130 is completed.

Before the second punching stroke: as shown in fig. 8, the bracket 100 of the folded piece 130 with one side is placed on the female die 310 of the second stamping die, the positional relationship between the nut body 120 and the bracket 100 is as shown in fig. 7, the nut body 120 is placed on the bracket 100, one side tab 122 of the nut body 120 passes through the nut body moving hole 151 formed by the gap between the folded piece 130 and the bottom plate 110, the screw portion 121 of the nut body 120 is attached to the inner side of the outer arc edge 150 of the folded piece 130, at this time, the outer side of the outer arc edge 150 of the folded piece 130 is attached to the positioning leaning block 430, and the positioning leaning block 430 is provided with a notch for accommodating the tab 122 of the nut body 120 with the side. The two positioning pins 410 in the second avoidance groove 330 respectively pass through the two riveting holes 111 of the bottom plate 110, and the folded piece 130 to be bent is supported by the groove edge of the second avoidance groove 330.

In the second punching stroke: as shown in fig. 9, the punch 320 of the second punching die is driven to move downward by the punch 500, the second punching surface 321 contacts with the bottom plate 110, the second punching surface 321 and the bottom plate 110 fall into the first avoiding groove 311, and the folded tab 130 that has been folded also falls into the first avoiding groove 311, while the nut 120 falls into the first avoiding groove 311 only under the influence of gravity due to the arrangement of the second avoiding groove 330, while the upper surface of the folded edge 140 of the folded tab 130 that has not been folded is punched by the second punching surface 321, the lower surface of the folded edge 140 of the folded tab 130 that has not been folded is supported by the first avoiding groove 311, at this time, the folded tab 130 that has not been folded starts to deform under force and is folded upwards until the stroke is finished, the folded tab 130 that has not been folded upwards by 90 °, the outer sides of the two folded tabs 130 are all attached to the groove walls of the second avoiding groove 330, and at the same time, the outer arc 150 of the folded tab 130 is blocked by the second arc-shaped protrusion 340, until the outer arc 150 of the folded tab 130 is attached to the second arc-shaped protrusion 340, and the outer arc 150 is completed, and the outer arc 150 of the folded tab 130 is attached to the second arc-shaped protrusion is formed, which is attached to the second arc-shaped protrusion, and the outer arc 150 is completed, after the folding of the folded tab 130 is folded. At this time, the lugs 122 at both sides of the nut body 120 respectively pass through the nut body moving holes 151, so that the step-by-step stamping assembly of the moving support plate nut is completed.

Example 2 of the step-by-step stamping and assembling device for a traveling supporting plate nut of the utility model:

in example 1 of the step-by-step press-fitting device for the free carrier nut of the present utility model, a positioning block is provided for attaching the positioning bracket to the outer side of the outer arcuate edge of the folded flap at the position of the female die of the second press die. In this embodiment 2, a positioning beam suspended in the air is provided, one surface of the positioning beam is attached to the outer side of the outer arc edge of the folded piece that is folded in the first punching stroke, and two ends of the positioning beam are respectively provided with a support column for supporting the positioning beam.

Embodiment 3 of the step-by-step stamping and assembling device for the floating support nut of the utility model:

in embodiment 1 of the step-by-step stamping and assembling device for the floating pallet nut of the present utility model, the first arc-shaped protrusion is integrally formed with the male die of the first stamping die, and the second arc-shaped protrusion is integrally formed with the male die of the second stamping die. In this embodiment 3, the first arc-shaped protrusion and the second arc-shaped protrusion are replaced by arc-shaped blocks, and the male die of the first stamping die and the male die of the second stamping die are respectively provided with mounting positions of the arc-shaped blocks, so that the arc-shaped blocks are in one-to-one correspondence with the outer arc edges of the folding pieces.

Example 4 of the step-by-step stamping and assembling device for a traveling supporting plate nut of the utility model:

in the embodiment 1 of the step-by-step stamping and assembling device for the movable supporting plate nut, the male die of the second stamping die is a single stamping block, and the second avoiding groove is formed in the second stamping surface. In embodiment 4, the male die of the second stamping die is two stamping blocks arranged at intervals, the bottom surfaces of the two stamping blocks form a second stamping surface and respectively correspond to two ends of the bottom plate, the intervals of the two stamping blocks form a second avoiding groove, the second arc-shaped bulge is an arc-shaped block in embodiment 3 of the step-by-step stamping assembly device for the movable supporting plate nut, and mounting positions are formed on the two stamping blocks and used for mounting and positioning two sides of the arc-shaped block.

Example 5 of the step-by-step stamping and assembling device for the traveling supporting plate nut of the utility model:

in embodiment 1 of the step-press assembly device for a traveling pallet nut of the present utility model, a first arc-shaped projection and a second arc-shaped projection are provided. In this embodiment 5, the first arc-shaped protrusion and the second arc-shaped protrusion are not provided, and other arc-shaped forming structures are not provided any more, for assembling the floating pallet nut with the screw portion having a smaller size and the tab having a larger size.

Example 6 of the step-by-step stamping and assembling device for the traveling supporting plate nut of the utility model:

in embodiment 1 of the step-by-step punch assembly device for a traveling pallet nut of the present utility model, the male die of the first punch die is inconsistent with the male die of the second punch die. In embodiment 6, the male die of the first stamping die is replaced by the male die of the second stamping die, and in the first stamping stroke, since there are two second arc-shaped protrusions, and the outer arc edges of the two folded pieces are respectively corresponding, the folded piece that is not folded will not be stamped by the first stamping surface in embodiment 1, but in embodiment 6, the bottom plate is stamped by the second stamping surface, the folded piece that is not folded can move down along with the stamped bottom plate and enter the third avoidance groove together with the follower bottom plate, and the outer arc edge of the folded piece that is to be folded is blocked by the second arc-shaped protrusions to support and deform under force.

Example 7 of the step-by-step stamping and assembling device for the traveling supporting plate nut of the utility model:

in the embodiment 1 of the step-by-step stamping assembly device for the floating support plate nut, the first stamping die is a female die, a male die and a third avoidance groove is formed in the female die so that one side of a support is bent, in the embodiment 7, the first stamping die is a clamping block and a stamping block which are used for clamping and accommodating a folded piece on one side of the support and a bottom plate, the folded piece is exposed out of the clamping block, the stamping block stamps the folded piece to enable the folded piece to be bent for 90 degrees to be attached to the outer wall of the clamping block, an arc-shaped forming structure used for stopping and supporting the outer arc edge of the folded piece is arranged on the outer wall of the clamping block, and the avoidance groove used for avoiding the arc-shaped forming structure is formed in the stamping block.

The above description is only a preferred embodiment of the present utility model, and the patent protection scope of the present utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a moving support plate nut step by step punching press assembly quality, its characterized in that, including the first stamping die that is used for one of them folded sheet (130) of support (100) of stamping forming support plate nut and the second stamping die that is used for another folded sheet (130) of shaping support (100), be equipped with on the die of second stamping die and be used for dodging the first groove (311) dodging of lug (122) of bottom plate (110) of support plate (100) and support plate nut's nut body (120), be equipped with on the terrace die (320) of second stamping die and dodge groove (330) of dodging nut body (120).

2. The step-by-step stamping assembly device for the floating support nut according to claim 1, wherein a contact section between a male die (320) and a folded piece (130) of the second stamping die is an arc transition section (440), and a groove edge of the first avoidance groove (311) is arranged in an arc shape.

3. The step-by-step punch assembly device for a traveling pallet nut according to claim 1, wherein the punch (220) of the first punch die and the punch (320) of the second punch die are each provided with an arc-shaped molding structure for molding the outer arc edge (150) of the flap (130) of the bracket (100).

4. A step-by-step press assembly device for a traveling pallet nut according to claim 3, wherein the arc-shaped forming structure is integrally formed on the outer peripheral wall of the male die (220) of the first press die and the outer peripheral wall of the male die (320) of the second press die.

5. A step-by-step stamping assembly device for a traveling pallet nut according to claim 3, wherein a positioning abutment (430) is provided on the female die of the second stamping die, and the positioning abutment (430) is adapted to be positioned in cooperation with an outer arc edge (150) of a flap (130) that is supported for deformation by the arc-shaped forming structure of the first stamping die.

6. The step-by-step stamping assembly device for the free carrier nut according to claim 1, wherein a male die (220) of the first stamping die is used for forming one folded piece (130) of the bracket (100), and a female die (210) of the first stamping die is provided with a third avoidance groove (211) for avoiding a bottom plate (110) of the bracket (100) and the other folded piece (130) of the bracket (100).

7. The step-by-step stamping assembly device for the floating pallet nut according to claim 6, wherein a contact section between a male die (220) of the first stamping die and the folded piece (130) is an arc transition section (440), and a groove edge of the third avoidance groove (211) is arranged in an arc shape.

8. The step-by-step stamping assembly device for the floating pallet nut according to claim 6, wherein the first avoidance groove (311) and the third avoidance groove (211) are both provided with a positioning pin (410) for being matched with a riveting hole (111) of the bottom plate (110).

9. The step-by-step press assembly device for a traveling pallet nut according to any one of claims 1 to 8, wherein the male die (220) of the first press die and the male die (320) of the second press die share one male die.

10. The step-by-step stamping assembly device for a traveling pallet nut as claimed in any one of claims 1 to 8, wherein a female die (210) of the first stamping die is provided with a positioning protrusion (420) for positioning engagement with a nut body traveling hole (151) of one of the flaps (130) of the bracket (100).

Images