CN109759497B

CN109759497B - Quick blanking die

Info

Publication number: CN109759497B
Application number: CN201910083007.7A
Authority: CN
Inventors: 王宏斌
Original assignee: Wuhan Union Technology Development Co ltd
Current assignee: Wuhan union Technology Development Co.,Ltd.
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-10-02
Anticipated expiration: 2039-01-29
Also published as: CN109759497A

Abstract

The invention discloses a quick blanking die, which comprises a bottom box, wherein an open inner cavity is fixedly arranged in the bottom box, a supporting device used as a lower side support in the blanking process is arranged in the inner cavity, and a quick blanking device used for blanking is arranged on the upper end surface of the bottom box.

Description

Quick blanking die

Technical Field

The invention relates to the technical field of blanking dies, in particular to a quick blanking die.

Background

Blanking die is used for carrying out blanking processing, current blanking die need carry out the blanking of multistep at blanking in-process, the blanking in-process of multistep, need personnel to carry out the position change with the work piece on different blanking die and realize quick blanking, this has increased personnel's work burden to a great extent, make personnel be carrying out the dangerous greatly increased of operation in-process simultaneously, and it is comparatively special to some molding, for example the angle of blanking a square around the square, make the remaining work piece process of bending, in the blanking processing of this type of part, often need just can accomplish the blanking activity with the help of the collocation of a plurality of machines, make manufacturing cost greatly increased.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a quick blanking die, which can solve the above problems in the prior art.

The invention is realized by the following technical scheme: the quick blanking die comprises a bottom box, wherein an open inner cavity is fixedly arranged in the bottom box, a supporting device used for supporting the lower side in the blanking process is arranged in the inner cavity, and a quick blanking device used for blanking is arranged on the upper end face of the bottom box, so that the quick blanking process is realized by using the device.

According to the technical scheme, the supporting device comprises a driving motor fixedly arranged in the left end face of the inner cavity, an output shaft of the driving motor is connected with the right end wall of the inner cavity in a rotating fit mode, the outer surface of the output shaft of the driving motor is connected with bilaterally symmetrical sliding blocks in a threaded fit mode, threads with opposite rotating directions are arranged on the outer surface of the output shaft of the driving motor and are respectively connected with the sliding blocks in a threaded fit mode, symmetrical rods are arranged in the sliding blocks in a rotating fit mode, bottom blocks are arranged between the symmetrical rods and are connected with the symmetrical rods in a rotating fit mode, and the upper end face of each bottom block is fixedly provided with a connecting rod driving mode to enable pad components of high-efficiency pads of different blanking parts to move up and down, so that the driving motor drives the bottom blocks to move up and down to drive the pad components to move.

Further technical scheme, the liner subassembly include with the fixed lifter plate of bottom block, the lifter plate internal stability has the opening chamber that runs through from top to bottom, the connecting rod of opening intracavity internal rotation that is provided with bilateral symmetry, the connecting rod internal rotation be provided with the base, the spout that runs through about having set firmly in the base, the gliding slide plate that is provided with front and back symmetry in spout, the terminal surface sets firmly the solid piece under the slide plate, the solid piece internal rotation is provided with interior commentaries on classics piece, the terminal surface sets firmly the trip bar under the interior commentaries on classics piece, the lifter plate right-left end face sets firmly bilateral symmetry's side solid axle, the side solid axle with the trip bar normal running fit is connected, the slide plate up end sets firmly the backing plate that is used for the liner work piece, thereby utilizes the lifter plate goes up and down to drive the crisscross slip of slide plate and base.

According to the technical scheme, the rapid blanking device comprises a supporting block fixedly arranged on the upper end face of the bottom case, an ejector rod is fixedly arranged on the upper end face of the supporting block, a fixing plate is fixedly arranged on the upper end face of the ejector rod, a pushing cylinder is arranged in the fixing plate, a box body is fixedly arranged on the lower end face of a push rod of the pushing cylinder, guide rods which are bilaterally symmetrical are fixedly arranged on the upper end face of the box body, the guide rods are connected with the fixing plate in a sliding fit mode, an upper die assembly used for achieving blanking processing is arranged in the box body, and therefore the pushing cylinder is utilized to drive the upper die assembly to move.

According to a further technical scheme, the upper die assembly comprises a transmission cavity fixedly arranged in the box body, a side connecting block which is arranged in an annular array and is positioned on the outer side of the box body is arranged on the outer side of the transmission cavity, symmetrical slide rods are fixedly arranged on the end face of the side connecting block close to the transmission cavity, the slide rods are fixed with the box body, a rotating rod is rotatably arranged between the side connecting block and the box body and extends into the transmission cavity in a rotating manner, bevel gears positioned in the transmission cavity are fixedly arranged on the end face of the rotating rod and are meshed with each other, a driving motor is fixedly arranged in one of the side connecting blocks and is in power connection with the corresponding rotating rod, the rotating rod threads which are opposite in rotating direction are the same, the rotating rod threads which are adjacent are opposite in rotating direction, a movable sliding block is arranged on the outer surface of the rotating rod in a thread fit connection manner and is in a sliding fit connection with the, and a die structure for blanking is fixedly arranged on the lower end face of the movable sliding block.

Further technical scheme, the mould structure include with move the solid pole in the fixed end of slider, end solid pole one side sets firmly the right angle piece of right angle type structure, the right angle piece is internal to set firmly right angle shape structure and opening right angle chamber down, the gliding pusher plate that is provided with in the right angle chamber, right angle chamber one side intercommunication is provided with even chamber, even chamber and exterior space intercommunication, right angle piece one side has set firmly the blanking cylinder, move the slider the push rod with the pusher plate is fixed, the terminal surface sets firmly the cutter structure that is used for realizing the blanking with work piece direct contact under the pusher plate, right angle piece right angle both sides are provided with the resilience structure that is used for kick-backing with the cutter structure.

According to the technical scheme, the cutter structure comprises a blanking cutter fixedly arranged on the lower end face of the push plate, the cross section of the blanking cutter is a right angle, and an inclined face is arranged on the outer surface of the blanking cutter, so that the blanking process is completed by the blanking cutter.

According to the technical scheme, the springback structure comprises a sleeve connection block fixedly arranged on two sides of the right-angle block, a spring cavity is fixedly arranged in the sleeve connection block, the push plate extends into the spring cavity, and a spring is elastically arranged between the push plate and the end wall of the spring cavity, so that the spring in the spring cavity enables the push plate to reset.

The invention has the beneficial effects that: when the device works, firstly, a workpiece is placed on the upper side of the base plate, at the moment, because the workpiece is rectangular and the size of the workpiece is different during actual processing, the position of the base plate for supporting the workpiece needs to be adjusted at the moment so that the stress of the workpiece is balanced and the workpiece is convenient to punch, then the driving motor drives the sliding block to be close to or far from simultaneously to enable the lifting plate to be lifted and drive the turnover rod and the connecting rod to swing, at the moment, the sliding plate and the base slide relatively to enable the base plate to be located at different positions so that the workpiece is better supported, during punching processing, firstly, the driving motor drives the movable sliding block to be close to or far from the driving motor to enable the movable sliding block to drive the bottom fixed rod and the right-angle block to move, because the right-angle block is of a rectangular structure and the parallel relation between the right-angle blocks cannot be changed after the movable sliding block moves, the related structures in the right-angle block can not influence the processing precision when blanking a workpiece, the driving motor drives the movable sliding block to move in the process of driving the movable sliding block to move, the engagement between the bevel gears and the thread turning relation of the outer surface of the rotating rod enable the movable sliding block to simultaneously move away from or close to the box body, after the adjustment of the process is finished, the pushing cylinder drives the box body to move downwards after working, so that the right-angle block presses the workpiece, then the blanking cylinder drives the pushing plate to move downwards after working, so that the blanking cutter punches the workpiece, as the blanking cutter is in a right-angle structure, the right angle around the workpiece is blanked after blanking is finished, and the spring in the spring cavity assists the blanking cutter to rebound in the resetting process of the blanking cutter driven by the blanking cylinder, a complete quick blanking process can be finished, thereby improving the operational reliability of the device.

The device has a simple structure, realizes the adjustment of the supporting structure in the blanking process by utilizing the working mode of the connecting rod by utilizing the supporting device, ensures that the efficiency of the blanking process is higher, simultaneously realizes the uniform change of the blanking interval of the blanking cutter by utilizing the threads of the quick blanking device, ensures that the blanking of various shapes is finished by single device, improves the efficiency of the device, prevents personnel from taking off the blanking for many times, and improves the safety of the device.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the internal structure of a rapid blanking die according to the present invention;

FIG. 2 is a schematic view of the turning bar of FIG. 1 in the direction A;

FIG. 3 is a schematic view of the case of FIG. 1 in the direction B;

FIG. 4 is a cut-away schematic view of the right angle block of FIG. 1;

in the figure, a lifting plate 101, a connecting rod 102, an open cavity 103, a bottom block 104, a symmetrical rod 105, sliding blocks 106 and 107, a driving motor 109, a side fixed shaft 110, a turnover rod 111, a base 112, an inner rotating block 113, a fixed block 114, a sliding plate 115, a backing plate 116, a supporting block 117, a top rod 118, a box body 119, a fixed plate 120, a guide rod 121, a pushing cylinder 122, a blanking cylinder 123, a moving slide block 124, a right-angle block 125, a sleeving block 126, a pushing plate 127, a blanking cutter 128, a spring cavity 129, a connecting cavity 130, a sliding chute 131, a bottom fixed rod 132, a right-angle cavity 133, a bottom box 135, a driving motor 201, a sliding rod 202, a side connecting block 203, a transmission cavity 301, a rotating rod 302 and a bevel gear 303.

Detailed Description

As shown in fig. 1 to 4, the present invention is explained in detail, and for convenience of description, the following orientations are defined as follows: hereinafter, the up, down, left, right, and front-back directions are the same as the up, down, left, right, and front-back directions of the projection relation of fig. 1, and the quick blanking die of the present invention includes a bottom case 135, an open cavity 108 is fixedly installed in the bottom case 135, a supporting device for supporting the lower side in the blanking process is installed in the cavity 108, and a quick blanking device for performing blanking processing is installed on the upper end surface of the bottom case 135, so that the quick blanking process is realized by using the above-mentioned device.

Advantageously, the supporting device comprises a driving motor 109 fixedly arranged in the left end face of the inner cavity 108, an output shaft of the driving motor 109 is connected with the right end wall of the inner cavity 108 in a rotating fit manner, a left-right symmetrical sliding block 106 is arranged on the outer surface of the output shaft of the driving motor 109 in a threaded fit manner, two end threads with opposite rotating directions are arranged on the outer surface of the output shaft of the driving motor 109, the two end threads with opposite rotating directions are respectively connected with the sliding block 106 in a threaded fit manner, symmetrical rods 105 are rotatably arranged in the sliding blocks 106, a bottom block 104 is arranged between the symmetrical rods 105, the bottom block 104 is connected with the symmetrical rods 105 in a rotating fit manner, a gasket assembly capable of efficiently lining different blanking parts is fixedly arranged on the upper end face of the bottom block 104 in a link driving manner, so that the bottom block 104 is driven by the driving motor 109 to move up and down, driving the liner assembly to move up and down.

Advantageously, wherein the spacer assembly comprises a lifting plate 101 fixed to said bottom block 104, an opening cavity 103 which penetrates through the lifting plate 101 from top to bottom is fixedly arranged in the lifting plate, connecting rods 102 which are symmetrical from left to right are rotatably arranged in the opening cavity 103, a base 112 is rotatably arranged in the connecting rod 102, a sliding groove 131 penetrating through the base 112 from left to right is fixedly arranged in the base 112, the sliding groove 131 is provided with a sliding plate 115 which is symmetrical in the front and the back, the lower end surface of the sliding plate 115 is fixedly provided with a fixed block 114, an inner rotating block 113 is rotatably arranged in the fixed block 114, a turning rod 111 is fixedly arranged on the lower end face of the inner rotating block 113, the left and right end faces of the lifting plate 101 are fixedly provided with bilaterally symmetrical side fixing shafts 110, the side fixing shafts 110 are connected with the turnover rod 111 in a rotating matching way, the upper end face of the sliding plate 115 is fixedly provided with a backing plate 116 for lining a workpiece, so that the lifting plate 101 is lifted to drive the sliding plate 115 and the base 112 to slide in a staggered manner.

Beneficially, the fast blanking device includes a supporting block 117 fixedly disposed on an upper end surface of the bottom case 135, a top rod 118 is fixedly disposed on an upper end surface of the supporting block 117, a fixing plate 120 is fixedly disposed on an upper end surface of the top rod 118, a pushing cylinder 122 is disposed in the fixing plate 120, a case body 119 is fixedly disposed on a lower end surface of a push rod of the pushing cylinder 122, guide rods 121 which are bilaterally symmetrical are fixedly disposed on an upper end surface of the case body 119, the guide rods 121 are connected with the fixing plate 120 in a sliding fit manner, and an upper die assembly for achieving blanking processing is disposed in the case body 119, so that the pushing cylinder 122 is utilized to drive the upper die assembly to move downward.

Beneficially, the upper mold assembly includes transmission cavities 301 fixed in the box 119, side connecting blocks 203 arranged in a circular array and located outside the box 119 are arranged outside the transmission cavities 301, symmetrical sliding rods 202 are fixed on end faces of the side connecting blocks 203 close to the transmission cavities 301, the sliding rods 202 are fixed with the box 119, rotating rods 302 are rotatably arranged between the side connecting blocks 203 and the box 119, the rotating rods 302 rotatably extend into the transmission cavities 301, bevel gears 303 located in the transmission cavities 301 are fixedly arranged on end faces of the rotating rods 302, the bevel gears 303 are engaged with each other, a driving motor 201 is fixedly arranged in one of the side connecting blocks 203, the driving motor 201 is dynamically connected with the corresponding rotating rod 302, wherein opposite rotating rods 302 have the same thread direction, adjacent rotating rods 302 have opposite thread directions, and a movable sliding block 124 is arranged on an outer surface of the rotating rod 302 in a thread fit connection manner, the movable sliding block 124 is connected with the sliding rod 202 in a sliding fit manner, and a die structure for blanking is fixedly arranged on the lower end face of the movable sliding block 124.

Beneficially, the die structure includes a bottom fixing rod 132 fixed to the movable sliding block 124, a right-angle block 125 of a right-angle structure is fixedly disposed on one side of the bottom fixing rod 132, a right-angle cavity 133 of a right-angle structure and with a downward opening is fixedly disposed in the right-angle block 125, a push plate 127 is slidably disposed in the right-angle cavity 133, a connecting cavity 130 is communicated with one side of the right-angle cavity 133, the connecting cavity 130 is communicated with an external space, a blanking cylinder 123 is fixedly disposed on one side of the right-angle block 125, a push rod of the movable sliding block 124 is fixed to the push plate 127, a cutter structure for directly contacting with a workpiece to achieve blanking is fixedly disposed on a lower end face of the push plate 127, and resilience structures for rebounding the cutter structure are disposed on two right-angle sides of the right-angle.

Advantageously, the cutter structure comprises a blanking cutter 128 fixed to the lower end surface of the push plate 127, the blanking cutter 128 is right-angled in cross section, and the outer surface of the blanking cutter 128 is provided with an inclined surface, so that the blanking process is completed by the blanking cutter 128.

Advantageously, the resilient structure comprises a socket block 126 fixed on both sides of the right-angle block 125, a spring cavity 129 is fixed in the socket block 126, the push plate 127 extends into the spring cavity 129, and a spring is elastically arranged between the push plate 127 and the end wall of the spring cavity 129, so that the spring in the spring cavity 129 resets the push plate 127.

When the device works, a workpiece is firstly placed on the upper side of the backing plate 116, at this time, because the workpiece is rectangular and the size of the workpiece is different during actual processing, at this time, the position of the backing plate 116 for supporting the workpiece needs to be adjusted, so that the stress of the workpiece is balanced and the workpiece is convenient to punch, after the driving motor 109 works, the sliding block 106 is driven to simultaneously approach or separate from the lifting plate 101 so that the turnover rod 111 and the connecting rod 102 are driven to swing, at this time, the sliding plate 115 and the base 112 slide relatively, so that the backing plate 116 is located at different positions, so that the workpiece is better supported, during the punching processing, after the driving motor 201 works, the movable slider 124 is driven to approach or separate from the driving motor 201 so that the movable slider 124 drives the bottom fixing rod 132 and the right-angle block 125 to move, because the right-angle block 125 is of a right-angle structure and the movable slider 124 does not change the flat position between the right-angle blocks 125 after moving In a relation that the related structures in the right-angle block 125 do not affect the processing precision when punching the workpiece, the driving motor 201 drives the movable slider 124 to move, the engagement between the bevel gears 303 and the thread direction relation of the outer surface of the rotating rod 302 simultaneously move the movable slider 124 away from or close to the box 119, after the adjustment of the above process is completed, the pushing cylinder 122 starts to work and drives the box 119 to move downwards, so that the right-angle block 125 presses the workpiece, then the punching cylinder 123 works and drives the pushing plate 127 to move downwards, so that the punching cutter 128 punches the workpiece, because the punching cutter 128 is in a right-angle structure, the right angle around the punched workpiece is punched, and the spring in the spring cavity 129 assists the rebound of the punching cutter 128 when the punching cutter 128 is reset by the punching cylinder 123, a complete fast blanking process can be completed, thereby improving the working reliability of the equipment.

The invention has the beneficial effects that:

when the device works, firstly, a workpiece is placed on the upper side of the base plate, at the moment, because the workpiece is rectangular and the size of the workpiece is different during actual processing, the position of the base plate for supporting the workpiece needs to be adjusted at the moment so that the stress of the workpiece is balanced and the workpiece is convenient to punch, then the driving motor drives the sliding block to be close to or far from simultaneously to enable the lifting plate to be lifted and drive the turnover rod and the connecting rod to swing, at the moment, the sliding plate and the base slide relatively to enable the base plate to be located at different positions so that the workpiece is better supported, during punching processing, firstly, the driving motor drives the movable sliding block to be close to or far from the driving motor to enable the movable sliding block to drive the bottom fixed rod and the right-angle block to move, because the right-angle block is of a rectangular structure and the parallel relation between the right-angle blocks cannot be changed after the movable sliding block moves, the related structures in the right-angle block can not influence the processing precision when blanking a workpiece, the driving motor drives the movable sliding block to move in the process of driving the movable sliding block to move, the engagement between the bevel gears and the thread turning relation of the outer surface of the rotating rod enable the movable sliding block to simultaneously move away from or close to the box body, after the adjustment of the process is finished, the pushing cylinder drives the box body to move downwards after working, so that the right-angle block presses the workpiece, then the blanking cylinder drives the pushing plate to move downwards after working, so that the blanking cutter punches the workpiece, as the blanking cutter is in a right-angle structure, the right angle around the workpiece is blanked after blanking is finished, and the spring in the spring cavity assists the blanking cutter to rebound in the resetting process of the blanking cutter driven by the blanking cylinder, a complete quick blanking process can be finished, thereby improving the operational reliability of the device.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A quick blanking die comprises a bottom box, wherein an open inner cavity is fixedly arranged in the bottom box, a supporting device used for supporting the lower side in the blanking process is arranged in the inner cavity, and a quick blanking device used for performing blanking processing is arranged on the upper end surface of the bottom box; the quick blanking device comprises a supporting block fixedly arranged on the upper end face of the bottom box, an ejector rod is fixedly arranged on the upper end face of the supporting block, a fixing plate is fixedly arranged on the upper end face of the ejector rod, a pushing cylinder is arranged in the fixing plate, a box body is fixedly arranged on the lower end face of a push rod of the pushing cylinder, guide rods which are symmetrical left and right are fixedly arranged on the upper end face of the box body, the guide rods are connected with the fixing plate in a sliding fit manner, and an upper die assembly for realizing blanking processing is arranged in the box body; the method is characterized in that: the upper die assembly comprises a transmission cavity fixedly arranged in the box body, a side connecting block which is arranged in an annular array and is positioned outside the box body is arranged outside the transmission cavity, symmetrical slide rods are fixedly arranged on the end face of the side connecting block close to the transmission cavity, the slide rods are fixed with the box body, a rotating rod is rotatably arranged between the side connecting block and the box body and extends into the transmission cavity in a rotating manner, bevel gears positioned in the transmission cavity are fixedly arranged on the end faces of the rotating rods and are meshed with each other, a driving motor is fixedly arranged in one of the side connecting blocks and is in power connection with the corresponding rotating rod, the thread directions of the opposite rotating rods are the same, the thread directions of the adjacent rotating rods are opposite, a movable sliding block is arranged on the outer surface of each rotating rod in a thread fit connection manner, and the movable sliding block is in slide fit connection with the slide rods, a die structure for blanking is fixedly arranged on the lower end face of the movable sliding block; the die structure comprises a bottom fixing rod fixed with the movable sliding block, a right-angle block with a right-angle structure is fixedly arranged on one side of the bottom fixing rod, a right-angle cavity with a right-angle structure and a downward opening is fixedly arranged in the right-angle block, a push plate is slidably arranged in the right-angle cavity, a connecting cavity is communicated with one side of the right-angle cavity and communicated with an external space, a blanking air cylinder is fixedly arranged on one side of the right-angle block, a push rod of the movable sliding block is fixed with the push plate, a cutter structure used for achieving blanking through direct contact with a workpiece is fixedly arranged on the lower end face of the push plate, and resilience structures used for resilience of the cutter structure are arranged on two right-angle sides; the cutter structure comprises a blanking cutter fixedly arranged on the lower end face of the push plate, the cross section of the blanking cutter is a right angle, and an inclined plane is arranged on the outer surface of the blanking cutter; the resilience structure comprises a sleeve joint block fixedly arranged on two sides of the right-angle block, a spring cavity is fixedly arranged in the sleeve joint block, the push plate extends into the spring cavity, and a spring is elastically arranged between the push plate and the end wall of the spring cavity.

2. A rapid blanking die according to claim 1, characterized in that: the supporting device comprises a driving motor fixedly arranged in the left end face of the inner cavity, an output shaft of the driving motor is connected with the right end wall of the inner cavity in a rotating matching mode, sliding blocks which are bilaterally symmetrical are arranged on the outer surface of the output shaft of the driving motor in a threaded matching mode, threads in opposite rotating directions are arranged on the outer surface of the output shaft of the driving motor and are respectively connected with the sliding blocks in a threaded matching mode, symmetrical rods are arranged on the inner surfaces of the sliding blocks in a rotating mode, bottom blocks are arranged between the symmetrical rods and are connected with the symmetrical rods in a rotating matching mode, and the upper end face of each bottom block is fixedly provided with a mode driven by a connecting rod to enable pad assemblies of pads which different blanking parts can be efficiently punched.

3. A rapid blanking die according to claim 2, characterized in that: the liner subassembly include with the lifter plate that the bottom block is fixed, the lifter plate internal stability has the opening chamber that runs through from top to bottom, the connecting rod that is provided with bilateral symmetry of opening intracavity internal rotation, the connecting rod internal rotation be provided with the base, the spout that runs through about having set firmly in the base, the gliding slide plate that is provided with front and back symmetry in the spout, the terminal surface has set firmly the solid piece under the slide plate, the solid piece internal rotation be provided with interior commentaries on classics piece, the terminal surface has set firmly the trip bar under the interior commentaries on classics piece, the lifter plate left and right ends face has set firmly bilateral symmetry's side solid axle, the side solid axle with the trip bar normal running fit is connected, the slide plate up end sets firmly the backing plate that is used for the liner work.