CN215143919U - Processing device for connector shell - Google Patents

Abstract

The utility model relates to a processing device of a connector shell, wherein a material belt for loading workpieces to be processed, which is perpendicular to the feeding direction of the material belt and is crossed with the feeding direction of the material belt, is arranged on one side of a progressive die, a clamping piece for clamping the workpieces to be processed is arranged on the material belt, when the workpieces to be processed on the material belt for loading workpieces to be processed are embedded into the clamping piece, the workpiece to be machined on the material belt of the workpiece to be machined corresponds to the clamping piece on the material belt in a crossed manner, the clamping piece on the material belt serves as a clamp of the workpiece to be machined in the continuous die, in one stroke of continuous stamping, a workpiece to be processed (a connector shell to be processed and formed) is embedded in the clamping piece on the material belt, and a plurality of single processing procedures of the to-be-processed parts are completed along with the movement of the material belt in the continuous die, the to-be-processed parts are processed and formed into connector shells, finally, the connector shells are separated from the material belt to realize automatic blanking, and the clamping parts on the material belt are punched and broken into waste materials. Adopt the utility model discloses the production efficiency of this product has been improved greatly afterwards.

Description

Processing device for connector shell

Technical Field

The utility model relates to a mould processing field indicates a processingequipment of connector shell especially.

Background

The existing connector shell is a tensile hardware (product to be processed), which often adopts a production mode: the continuous die cold punching and stretching process or the single-process die production is as listed in the technical scheme of the publication CN106238572B, but the closing thickness of the stretched hardware manufactured by the continuous die cold punching and stretching process is not uniform, so that the formed shape is limited, only a single shape can be formed, the complex shape is difficult to realize, and the shape of the connector shell is complex, so that the connector shell is generally processed by the single-process die, but the single-process die production firstly needs to finish single process processing by a manual single-engineering die, such as one-time flanging process processing, and then the whole stretched hardware processing can be finished by the production of a plurality of sets of die combinations (secondary flanging, edge folding and other process processing). Obviously, the operation mode of adopting single process mould production is being processed a process at every turn, and the processing is in next set of mould by artifical or manipulator transfer, influences machining efficiency, and every transfer one set of mould, all need the relocation, many sets of mould repeated location can cause great positioning error, influence the shaping precision of product, the mode of many sets of mould tensile processing can lead to follow-up processing inconvenient certainly for the product atress is inhomogeneous in the course of working, bursts easily, leads to the product defective rate to rise. The traditional connector shell is low in processing and production speed and efficiency, small in product size, high in labor and machine cost and capable of being produced by multiple sets of dies simultaneously.

The progressive die is characterized in that a press machine adopts a strip material belt in one stamping stroke, a plurality of cold stamping dies of a stamping process are simultaneously completed on a pair of dies by a plurality of different stations, once stamping of the dies is completed, the material belt is moved at intervals once until a finished product is completed, the finished product refers to a single hardware, and a connector shell needs to be processed by a drawing process and cannot automatically enter the progressive stamping die.

The utility model discloses the people is ploughed deeply in the hardware processing field for several decades, how to combine the single process mould to realize connector shell continuous processing with the modulus of continuity, and the single process mould production need be taken between a plurality of single process moulds through staff or manipulator, replaces artifically through the manipulator, and the manipulator cost is higher, and tensile hardware can't be in the modulus of continuity autoloading again, the utility model discloses how the people thinks the cable and combines modulus of continuity and single process mould to realize connector shell continuous production, is this utility model's problem that the urgent need be solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a processingequipment of connector shell accomplishes processing in one set of continuous mould, need not a lot of transportation, reduces the repeated location, improves the machining precision, and reduce cost improves machining efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: a processing device for a connector shell comprises a progressive die, wherein a material belt is arranged in the progressive die and moves along the feeding direction of the progressive die, a material belt feeding belt to be machined, which is perpendicular to the feeding direction of the material belt, is arranged on one side of the progressive die, the progressive die comprises an upper die base and a lower die base, a material belt punching station, a material belt edge punching station, a material belt buckle bending station, a material feeding station to be machined, a flanging station, an expansion station and a blanking station are sequentially arranged between the upper die base and the lower die base from left to right, and a displacement mechanism for driving the material belt to move in each station is arranged on the lower die base;

the material belt punching station is used for punching two rows of symmetrical buckles on the material belt;

the material strip edge punching station comprises an edge punching die, and a first edge punching assembly, a second edge punching assembly and a third edge punching assembly are arranged in the edge punching die and are used for punching two rows of buckles in the upper row and the lower row and cutting off redundant edge materials of the buckles in the lower row;

the material belt buckle bending station is used for bending two rows of buckles into a shape of being parallel up and down;

the workpiece loading station is used for conveying hardware to a material belt and clamping the hardware in the clamping pieces of the two corresponding buckles up and down;

the flanging station comprises a flanging station of the progressive die, and a plurality of flanging dies are arranged in the flanging station of the progressive die and used for flanging hardware;

the expansion station comprises a cold heading station of a progressive die and is used for performing expansion necking treatment on hardware;

the blanking station is used for blanking finished products and cutting off the extending material belt part.

Preferably, the material belt punching station comprises a punching die, and a first punching assembly and a second punching assembly are arranged in the punching die.

Preferably, the material belt buckle bending station comprises a bending die, a first bending assembly and a second bending assembly are arranged in the bending die, the first bending assembly bends the two rows of buckles relatively inwards for 45 degrees, and the second bending assembly bends the two rows of buckles relatively inwards for 90 degrees.

Preferably, treat that machined part material loading station includes and shakes dish and feeding mechanism, shake the dish and transfer the hardware between upper die base and the die holder in order, feeding mechanism establishes the hardware card in the holder of two buckles.

Preferably, the blanking station includes upset mould, blanking mould and blank mould, the upset mould overturns two buckles, makes the holder of buckle downwards, the blanking mould promotes the finished product and falls from the blanking mouth of die holder whereabouts, the blank mould will stretch out the material area part and cut away.

Preferably, the device further comprises a first idle station and a second idle station, wherein the first idle station is arranged behind a feeding station of the workpiece to be machined and comprises a first idle die, a punching assembly or/and a trimming assembly is/are arranged in the first idle die, the second idle station is arranged behind a flanging station and comprises a second idle die, and a plurality of flanging dies are arranged in the second idle die.

The beneficial effects of the utility model reside in that: the utility model discloses with the material area after punching a hole, cutting edge, punching press stretch forming, continuous stamping processes such as the shaping of bending, become the centre gripping material area, traditional modulus of continuity is a hardware finished product, and the utility model discloses a conveying material area is made out to the modulus of continuity, and conveying material area becomes to be used for the centre gripping to wait to process the hardware, and the material area makes and waits to process the hardware automatic conveying in the modulus of continuity, realizes mechanized transport, replaces the human labor, and it has higher accuracy, and saves time, and is laborsaving, has still significantly reduced intensity of labour, reduces labour cost and practices thrift manpower resources, true accomplished low cost, high repayment.

The utility model has the advantages that the continuous die is not limited by the connection times, the position is accurate after connection, the continuous stamping is completely satisfied, the continuous stamping processing is realized, the production efficiency is improved, and the production cost is reduced; the requirements on equipment and manpower use and operation are low, and the labor cost and equipment resources are saved; compared with the traditional operation mode, the processing efficiency is improved; the hardware is good in quality, unstable factors caused by manual operation are eliminated, and the reject ratio of products is thoroughly reduced.

The material belt punching station, the material belt edge punching station, the material belt buckle bending station, the material loading station for the workpiece to be machined, the flanging station, the bulging station and the blanking station are arranged in the continuous die, the material belt can be continuously moved to the next station only by positioning the material belt once, the stability is good, the subsequent machining is convenient, and the machining efficiency is improved;

the manual or mechanical arm is not required to be used for transferring in a plurality of sets of dies, so that the cost is reduced

And multiple positioning is not needed, and the influence on the machining precision caused by large positioning error due to multiple positioning is avoided.

The flanging station of the progressive die is adopted to perform flanging treatment on the hardware, and the cold heading station of the progressive die is utilized to perform expanding and necking treatment on the hardware, so that the quality of a product is improved, the problem that the product is not easy to be flanged is solved, the product is prevented from bursting in the processing process, and the reject ratio of the product is reduced;

bend 45 earlier to the buckle on the material area, bend 90 again, can avoid making the cracked condition of buckle take place because of once bending the angle too big.

Drawings

Fig. 1 is a schematic diagram of the distribution of each station of the present invention.

Fig. 2 is a simplified illustration of the processing of the strip and hardware in each station.

FIG. 3 is a schematic structural view of a cold heading station of a progressive die;

FIG. 4 is a schematic view of a bushing for the cold heading station of the progressive die;

fig. 5 is a schematic view of the structure of the upper header of the cold heading station of the progressive die.

Fig. 6 is a schematic view of the structure of the lower header of the cold heading station of the progressive die.

FIG. 7 is a schematic of the process flow of the cold heading station of the progressive die.

Description of reference numerals: 1. a material belt punching station; 2. a material strip edge punching station; 3. a material belt buckle bending station; 4. a workpiece to be machined is fed; 5. a flanging station; 6. an expansion station; 110. an upper die holder; 120. an upper base plate; 121. a guide post; 130. an upper splint; 131. a material removing plate; 211. a set screw; 210. a lower die holder; 230. a lower base plate; 240. a lower template; 241. a guide sleeve; 310. performing primary molding; a first opening 311; 312. forming a groove; 313. a third opening; 314. a necking sleeve; 320. mounting a heading pin; 330. a lower heading pin; 341. a spring hole; 342. a spring; 40. hanging a table; 50. a limiting block; 7. a blanking station; 8. and a lower die holder.

Detailed Description

Referring to fig. 1-7, the utility model discloses a connector shell progressive die includes upper die base and die holder 8, material area punching station 1, material area edge punching station 2, material area buckle bending station 3, wait to add work piece material loading station 4, first idle station, turn-ups station 5, second idle station, rise shape station 6 and blanking station 7 are equipped with from a left side to the right side in proper order between upper die base and the die holder 8, be equipped with the displacement mechanism on the die holder 8, this displacement mechanism drives the material area and removes in each station, upper die base and die holder 8 drive material area punching station 1, material area edge punching station 2, material area buckle bending station 3, first idle station, turn-ups station 5, second idle station, rise shape station 6 and blanking station 7 synchronous up-down movement;

the material belt punching station 1 comprises a punching die, a first punching assembly and a second punching assembly are arranged in the punching die, the first punching assembly punches an upper row of first holes and a lower row of first holes on the material belt, and the second punching assembly continues punching on the basis of the first holes, so that the material belt is provided with positioning holes, and positioning in a subsequent continuous die punching/blanking process is facilitated;

the material belt edge punching station 2 comprises an edge punching die, a first edge punching assembly, a second edge punching assembly and a third edge punching assembly are arranged in the edge punching die, and the first edge punching assembly punches an inverted U-shaped outline around the upper row of clamping pieces to form an upper row of buckles; the second edge punching assembly punches an U-shaped profile around the lower-row clamping piece to form a lower-row buckle, and the third edge punching assembly cuts off the edge material between the lower-row adjacent buckles;

the material belt buckle bending station 3 comprises a bending die, a first bending assembly and a second bending assembly are arranged in the bending die, the first bending assembly is used for bending and forming two rows of buckles at an angle of 45 degrees, the second bending assembly is used for bending and forming two rows of buckles at an angle of 90 degrees, finally the two rows of buckles are in a vertical parallel structure, a clamping piece is formed on a material belt in one-step stamping travel of three stations in a front continuous die, and the material belt is processed and formed into a hardware piece on a flat material belt through the continuous die, but the hardware piece of the clamping piece is not produced through the continuous die, but is processed and formed into a tensile hardware piece capable of clamping subsequent processing, and the actual material belt is used as a clamp in the continuous die and is used for feeding in subsequent processes of the continuous die;

the workpiece loading station 4 comprises a vibration disc and a feeding mechanism, wherein the vibration disc orderly transfers hardware between an upper die base and a lower die base 8, and the feeding mechanism clamps the hardware in clamping pieces of two buckles; the vibration disc and the feeding mechanism are in the prior art, the vibration disc enables workpieces to be processed to be arranged in a straight line, and the workpieces to be processed are pushed into the clamping piece through the feeding mechanism, such as a cylinder pushing or a servo motor driving push rod.

The first empty station comprises a first empty die, a punching assembly or/and a trimming assembly is/are arranged in the first empty die and used for adjusting the shape of the buckle so as to ensure the clamping stability of hardware and the buckle.

The flanging station 5 comprises a flanging station of a progressive die, and five flanging dies are arranged in the flanging station of the progressive die and are used for flanging hardware;

the second idle station comprises a second idle die, and a plurality of flanging dies can be arranged in the second idle die and used for adjusting the flanging precision of the hardware.

The expansion station 6 comprises a cold heading station of a progressive die and is used for performing expansion necking treatment on hardware;

blanking station 7 is including upset mould, blanking mould and blank mould, the upset mould overturns two buckles and the hardware of clamping in two buckles, makes the holder of buckle down, the blanking mould promotes the hardware, makes it break away from the holder, from the blanking mouth whereabouts of die holder 8, the blank mould is with the partial strip of stretching out partly surely leave.

Preferably, as can be seen from fig. 3 to 7, the cold heading die of the progressive die was previously applied by the applicant, and comprises an upper die assembly, a lower die assembly and an expanding and contracting assembly, wherein the lower die assembly is arranged at the lower end of the upper die assembly, the upper die assembly and the lower die assembly are coaxially arranged, the upper die assembly comprises an upper die 110, an upper pad plate 120, an upper clamping plate 130 and a stripper plate 131, the upper die 110, the upper pad plate 120, the upper clamping plate 130 and the stripper plate 131 are sequentially arranged from top to bottom and are all connected by screws, a guide pillar 121 is vertically arranged on the upper pad plate, a guide pillar 121 pipe penetrates through the upper clamping plate and extends to the outer end of the upper clamping plate, the lower die assembly comprises a lower die 210, a lower pad plate 230 and a lower die plate 240, the lower die 210, the lower pad plate 230 and the lower die plate 240 are sequentially arranged from bottom to top and are all connected by screws, a guide sleeve 241 is arranged inside the lower die 240, the guide sleeve vertically penetrates through the lower die plate, and the lower end of the guide pillar penetrates through the guide sleeve to the lower backing plate and is connected with the lower backing plate, so that the upper die assembly and the lower die assembly are positioned.

The expansion and contraction assembly 3 comprises a main die 310, a contraction sleeve 314, an upper upsetting needle 320, a lower upsetting needle 330 and an ejection mechanism 340, wherein the main die is arranged on a lower template and vertically penetrates through the lower template, the main die is used for forming a dumbbell shell, the main die penetrates through the lower template and is sequentially communicated with a first opening 311, a forming groove 312 and a third opening 313, the radiuses of the first opening and the third opening are larger than the radius of the forming groove, the forming groove is cylindrical, the upper end of the upper upsetting needle is connected with an upper backing plate through a hanging table 40 and penetrates through the whole upper clamping plate and a stripper plate, the upper upsetting needle extends to the outer end of the stripper plate, the upper end of the lower upsetting needle is connected with the lower backing plate through the hanging table 40 and penetrates through the whole lower template, the ejection mechanism comprises a spring hole 341 vertically formed in the upper die and the upper backing plate and a spring 342 vertically arranged in the spring hole, one end of the spring is connected with the ejecting needle which is connected with the stripper plate, and the product is ejected by means of elastic deformation of the spring, lower heading needle runs through the lower bolster and extends to in the master mould, goes up heading needle, lower heading needle, master mould and the coaxial setting of throat cover for realize that upper heading needle and lower heading needle insert in the master mould to the shaping of the expansion throat of the pah pooh of dumbbell hair, be provided with stop screw 211 in the inside of last mould, the other end of spring is through the fixed screw of stopping in the lower mould.

Preferably, set up stopper 50 between last mould subassembly and lower mould subassembly to it is too much to avoid going down of last mould subassembly, influences dumbbell overall dimension, protects the master die simultaneously, prevents that the too big damage master die of impulsive force.

The upper die assembly and the lower die assembly are matched to form a dumbbell cavity after being matched, the dumbbell cavity comprises a dumbbell rod arranged along the axial direction of the dumbbell cavity and dumbbell heads at two ends of the dumbbell rod, and the dumbbell rod is formed by a forming groove of the main die; the dumbbell head at the bottom is formed by matching the main die with the lower heading pin; the dumbbell head at the top is formed by matching the main die with the upper upsetting pin.

The working principle is as follows:

in an initial state, the preformed dumbbell blank is placed in a forming groove of a main die, an upper die descends, a stripper plate firstly touches the dumbbell blank to press the surface of the dumbbell blank, the upper die plate continues to descend, an upper heading pin and a lower heading pin press and form two dumbbell heads for expanding shapes of two ends of the dumbbell blank, and meanwhile, a necking sleeve performs necking forming on the top dumbbell head.

A method of continuously molding a connector housing, comprising the steps of:

firstly, moving the material belt into a punching die, punching the material belt by a first punching assembly at one time, and punching two rows of corresponding first holes;

secondly, secondary punching is carried out on the basis of the first hole by the second punching assembly, and a clamping piece is punched;

moving the material belt into an edge punching die, and punching the reverse U-shaped contour around the upper row of clamping pieces by the first edge punching assembly to form an upper row of buckles;

fourthly, the second edge punching assembly punches U-shaped openings out of the periphery of the lower-row clamping piece to form lower-row buckles;

fifthly, the third trimming punching component trims the redundant rim charge of the lower row of adjacent buckles to form a row of independent buckles;

moving the material belt into a bending die, and performing 45-degree folding molding on the two rows of buckles by using the first bending assembly;

seventhly, the second bending assembly carries out 90-degree turnover forming on the two rows of buckles to enable the upper row of buckles and the lower row of buckles to be longitudinally parallel;

moving the material belt to a feeding station 4 of a workpiece to be machined, sequentially feeding the hardware by using a vibration disc, and clamping the hardware in clamping pieces of an upper buckle and a lower buckle by using a clamping mechanism;

moving the material belt to a flanging station of the progressive die, and sequentially flanging the hardware clamped on the material belt by using a plurality of flanging dies;

moving the material belt into a cold heading station of a progressive die, and performing five times of expansion and necking processing on the hardware subjected to flanging by the cold heading station of the progressive die to obtain a connector shell;

step eleven, moving the material belt to a blanking station 7, turning over the connector shell clamped by the buckle and the buckle by using the turnover die, and enabling a clamping piece of the buckle to be downward;

step twelve, the blanking die pushes the formed connector shell to separate from the clamping piece, and the connector shell falls from a blanking port of the lower die base 8;

and thirteen, cutting off the processed and extended material belt part by the material cutting die.

Preferably, after the eighth step, the method further comprises an adjusting process, a die is arranged behind the feeding station 4 of the workpiece to be machined, a punching assembly or/and an edge punching assembly can be arranged in the die, the appearance of the buckle is adjusted by the punching assembly and the edge punching assembly, and the clamping position of the hardware is adjusted, so that the hardware is clamped more stably.

Preferably, after the ninth step, an adjusting process is further included, a die is arranged behind the flanging station 5, and a plurality of flanging dies can be arranged in the die to adjust the flanging precision of the hardware.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims (6)

1. A processingequipment of connector shell which characterized in that: the continuous die comprises a continuous die, a material belt is arranged in the continuous die and moves along the feeding direction of the continuous die, one side of the continuous die is provided with a material belt loading belt to be machined, the material belt loading belt is perpendicular to the feeding direction of the material belt and is crossed with the feeding direction of the material belt, the continuous die comprises an upper die base and a lower die base, a material belt punching station, a material belt edge punching station, a material belt buckle bending station, a material belt loading station to be machined, a flanging station, an expanding station and a blanking station are sequentially arranged between the upper die base and the lower die base from left to right, and a displacement mechanism for driving the material belt to move in each station is arranged on the lower die base;

the material belt punching station is used for punching two rows of symmetrical buckles on the material belt;

the material strip edge punching station comprises an edge punching die, and a first edge punching assembly, a second edge punching assembly and a third edge punching assembly are arranged in the edge punching die and are used for punching two rows of buckles in the upper row and the lower row and cutting off redundant edge materials of the buckles in the lower row;

the material belt buckle bending station is used for bending two rows of buckles into a shape of being parallel up and down;

the workpiece loading station is used for conveying hardware to a material belt and clamping the hardware in the clamping pieces of the two corresponding buckles up and down;

the flanging station comprises a flanging station of the progressive die, and a plurality of flanging dies are arranged in the flanging station of the progressive die and used for flanging hardware;

the expansion station comprises a cold heading station of a progressive die and is used for performing expansion necking treatment on hardware;

the blanking station is used for blanking finished products and cutting off the extending material belt part.

2. A processing apparatus for a connector housing according to claim 1, wherein: the material belt punching station comprises a punching die, and a first punching assembly and a second punching assembly are arranged in the punching die.

3. The apparatus for processing a connector housing according to claim 1, wherein: the material belt buckle bending station comprises a bending die, a first bending assembly and a second bending assembly are arranged in the bending die, the first bending assembly bends the two rows of buckles relatively inwards for 45 degrees, and the second bending assembly bends the two rows of buckles relatively inwards for 90 degrees.

4. A processing apparatus for a connector housing according to claim 1, wherein: treat that machined part material loading station is including shaking set and feeding mechanism, shake the set and transfer the hardware between upper die base and the die holder in order, feeding mechanism establishes the hardware card in the holder of two buckles.

5. A processing apparatus for a connector housing according to claim 1, wherein: the blanking station comprises an overturning die, a blanking die and a blanking die, the overturning die overturns the two buckles to enable the clamping pieces of the buckles to be downward, the blanking die pushes a finished product to fall from a blanking port of the lower die holder, and the blanking die cuts away the stretched material belt part.

6. A processing apparatus for a connector housing according to claim 1, wherein: the workpiece flanging device is characterized by further comprising a first empty station and a second empty station, wherein the first empty station is arranged at the back of the workpiece feeding station to be machined and comprises a first empty die, a punching assembly or/and a trimming assembly is/are arranged in the first empty die, the second empty station is arranged at the back of the flanging station and comprises a second empty die, and a plurality of flanging dies are arranged in the second empty die.

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