CN219483941U - Progressive die for motor support - Google Patents

Abstract

The utility model discloses a progressive die for a motor bracket, which comprises a lower die holder and an upper die holder, wherein a material connecting station, a forming station, a flanging station and a blanking station are sequentially arranged along the length direction of the lower die holder; the material connecting station comprises cutters arranged on the upper die base, and the cutters are used for respectively cutting the bent material connecting strips at two ends of the workpiece; the forming station comprises a bending male die and a bending female die, and the bending female die is provided with a first concave part capable of accommodating the bending male die; the flanging station comprises a flanging male die, a flanging female die and a material bearing block, wherein the flanging female die is provided with a second concave part, the material bearing block is arranged in the second concave part, a step part is arranged between the material bearing block and the flanging female die, and the outer diameter of the flanging male die is smaller than the inner diameter of the step part; the blanking station comprises a shearing mechanism, and the shearing mechanism is used for shearing the connecting belt. The continuous die for the motor support can continuously process the motor support, effectively improves the production efficiency, and reduces the die cost.

Description

Progressive die for motor support

Technical Field

The utility model relates to the technical field of dies, in particular to a progressive die for a motor bracket.

Background

In order to improve the structural strength of the motor support, the periphery of the motor support is of a flanging structure, in addition, the motor support is required to be punched and the like so as to be installed with a motor, and the motor support is mainly produced through a single-process die in the related art, so that the required die is large in number, high in cost and low in production efficiency.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the continuous die for the motor support, which can continuously process the motor support, effectively improve the production efficiency and reduce the die cost.

According to an embodiment of the utility model, a progressive die for a motor bracket comprises: a lower die holder; the upper die holder is arranged above the lower die holder and can move in the up-down direction; a material connecting station, a forming station, a flanging station and a blanking station are sequentially arranged along the length direction of the lower die holder; the material connecting station comprises cutters arranged on the upper die holder, and the cutters are used for respectively cutting the bent material connecting strips at two ends of the workpiece; the forming station comprises a bending male die and a bending female die, and the bending female die is provided with a first concave part capable of accommodating the bending male die; the flanging station comprises a flanging male die, a flanging female die and a material bearing block, wherein the flanging female die is provided with a second concave part, the material bearing block is arranged in the second concave part, a step part is arranged between the material bearing block and the flanging female die, and the outer diameter of the flanging male die is smaller than the inner diameter of the step part; the blanking station comprises a shearing mechanism, and the shearing mechanism is used for shearing the connecting belt.

The technical scheme at least has the following beneficial effects: through setting gradually continuous material station, shaping station, turn-ups station and blanking station along length direction between die holder and upper die base, can cut continuous material area, stamping forming and turn-ups to the stock in proper order, cut continuous material area at last and realize the blanking, wherein, continuous material area can take the work piece to next station by last station to realize continuous processing work piece, effectively improve production efficiency, need not to develop many sets of moulds, effectively reduce mould cost and whole manufacturing cost.

According to some embodiments of the utility model, the cutter is configured as a movable wire.

According to some embodiments of the utility model, the shearing mechanism comprises a stretch-cutting die, a transmission plate and a driving assembly, the stretch-cutting die is arranged on the upper die holder, the transmission plate is slidably arranged on the lower die holder along the horizontal direction, one end of the transmission plate is provided with a stretch-cutting punch, the driving assembly is arranged on the other end of the transmission plate, and when the upper die holder moves towards the lower die holder, the driving assembly drives the transmission plate to move so as to enable the stretch-cutting punch to move towards the stretch-cutting die.

According to some embodiments of the utility model, the driving assembly comprises a first wedge block and a second wedge block which are matched with each other, the first wedge block is arranged on the upper die base, and the second wedge block is arranged on the other end of the transmission plate.

According to some embodiments of the utility model, the drive plate is provided with a positioning groove, and the second wedge block is provided with a positioning block accommodated in the positioning groove.

According to some embodiments of the utility model, the shearing mechanism further comprises a return spring, one end of the return spring is connected with one end of the transmission plate, which is away from the stretch-cutting punch, and the other end of the return spring is connected with the lower die holder, and the return spring is used for driving the stretch-cutting punch to move along a direction away from the stretch-cutting die.

According to some embodiments of the utility model, the lower die holder is further provided with a wear plate, and the transmission plate is provided on the wear plate and can slide along the wear plate.

According to some embodiments of the utility model, the bending die comprises a positioning seat and two pressing blocks, the two pressing blocks are arranged on two sides of the positioning seat, the height of the positioning seat is smaller than that of the pressing blocks along the up-down direction, and an elastic piece is connected between the positioning seat and the upper die seat.

According to some embodiments of the utility model, the die comprises a die holder, a die pressing block and a blanking station, wherein the die pressing block is arranged at the upper end of the die holder, and the shape of the cross section of the die pressing block is matched with the shape of the blanked waste.

According to some embodiments of the utility model, the feeding end of the material connecting station is further provided with a material supporting plate and a material guiding plate, the material supporting plate is arranged on the lower die holder, the material guiding plate is arranged on the upper die holder and above the material supporting plate, and a channel for passing through a blank is arranged between the material supporting plate and the material guiding plate.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic diagram of a progressive die in an embodiment of the utility model;

FIG. 2 is a schematic view of a forming station according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a flanging station in an embodiment of the present utility model;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is a schematic view of a blanking station according to an embodiment of the present utility model;

FIG. 6 is an enlarged view of FIG. 5 at B;

fig. 7 is an exploded view of the connection of the drive plate to the second wedge block in an embodiment of the present utility model.

Reference numerals:

a lower die holder 100;

an upper die holder 200;

a material connecting station 300; a cutter 310; a tray 320; a guide plate 330;

a forming station 400; bending the male die 410; bending female die 420; a first concave portion 421; a positioning seat 422; a pressing block 423; an elastic member 424;

a flanging station 500; a flanging male die 510; a flanging die 520; a second concave portion 521; a step 522; a carrier block 530;

a blanking station 600; a shearing mechanism 610; drawing and cutting the female die 611; a drive plate 612; a positioning groove 6121; a first wedge 613; a second wedge 614; a positioning block 6141; a stretch-cutting punch 615; a return spring 616; a wear plate 617;

a blanking station 700; a burr pressing block 710;

blank 800; a workpiece 810.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 7, an embodiment of the present utility model provides a progressive die for a motor bracket, including a lower die holder 100 and an upper die holder 200, wherein the upper die holder 200 is disposed above the lower die holder 100 and is movable in an up-down direction. Generally, the lower die holder 100 and the upper die holder 200 are mounted on a punch press to drive the upper die holder 200 to move in an up-down direction, so as to process a motor bracket, wherein both ends of the motor bracket are provided with bending parts, and the periphery of the motor bracket is provided with flanges.

Referring to fig. 1, it can be understood that the material connection station 300, the forming station 400, the flanging station 500 and the blanking station 600 are sequentially provided along the length direction of the lower die holder 100, so that the motor bracket can be continuously processed.

Referring to fig. 1, it can be appreciated that the coining station 300 includes a cutter 310 disposed on the upper die holder 200, and generally includes two cutters 310 along the width of the upper die holder 200. After the upper die holder 200 moves downward, the cutter 310 may cut a curved strip on the blank 800, and the two strips are respectively located at two ends of the workpiece 810 (i.e., the motor bracket) along the width direction of the upper die holder 200. By providing a web, the workpiece 810 can be carried from a previous station to a next station for continuous processing of the workpiece 810. Specifically, the cutter 310 is configured as a movable wire, that is, a bent web is processed by wire cutting, and the processing accuracy is high.

Referring to fig. 1, it can be understood that the feeding end of the material connecting station 300 is further provided with a material supporting plate 320 and a material guiding plate 330, the material supporting plate 320 is mounted on the lower die holder 100, the material guiding plate 330 is mounted on the upper die holder 200 and is located right above the material supporting plate 320, and a channel for passing the blank 800 is arranged between the material supporting plate 320 and the material guiding plate 330. Thus, during feeding, the blank is guided by the guide plate 330 from the channel between the carrier plate 320 and the guide plate 330, so as to avoid the deviation of the blank 800.

Referring to fig. 1 and 2, it may be understood that the forming station 400 includes a bending punch 410 and a bending die 420, the bending punch 410 is of a bump structure protruding upward and mounted on the lower die holder 100, the bending die 420 is mounted on the upper die holder 200 and located right above the bending punch 410, a first concave portion 421 is disposed at a lower end of the bending die 420, the first concave portion 421 is disposed in an upward concave manner, the first concave portion 421 is located in a middle portion of the bending die 420, and the bending punch 410 can be accommodated in the first concave portion 421. When the upper die holder 200 and the lower die holder 100 approach each other, the bending punch 410 extrudes the middle part of the workpiece 810 into the first concave 421, so that two ends of the workpiece 810 are bent to form a shape of a Chinese character 'ji', which is beneficial to increasing the structural strength of the workpiece 810. Because the two ends of the workpiece 810 are connected with the bent material connecting belts, the material connecting belts are straightened in the bending processing process of the workpiece 810, so that the bending processing is prevented from being influenced.

Referring to fig. 3 and 4, it may be understood that the flanging station 500 includes a flanging male die 510, a flanging female die 520, and a material-receiving block 530, the flanging male die 510 is of a bump structure protruding upward and mounted on the lower die holder 100, the flanging female die 520 is mounted on the upper die holder 200 and located right above the flanging male die 510, a second concave portion 521 is provided at a lower end of the flanging female die 520, the second concave portion 521 is disposed in an upward concave manner, the material-receiving block 530 is mounted in the second concave portion 521, an outline of the material-receiving block 530 is matched with an outline of the bent workpiece 810, a step portion 522 is provided between a lower end of the material-receiving block 530 and an inner wall of the second concave portion 521, and an outer diameter of the flanging male die 510 is smaller than an inner diameter of the step portion 522. Therefore, when the upper die holder 200 and the lower die holder 100 approach each other, the flanging punch 510 sinks the workpiece 810 into the second concave portion 521 and abuts against the carrier block 530, and since the outer diameter of the flanging punch 510 is smaller than the inner diameter of the step portion 522, the outer edge of the workpiece 810 is bent downward to form a flanging under the cooperation of the flanging punch 510 and the side wall of the step portion 522, thereby realizing the flanging processing at the periphery of the workpiece 810 and further increasing the structural strength of the workpiece 810.

Referring to fig. 5, it may be understood that the blanking station 600 includes a cutting mechanism 610, specifically, two cutting mechanisms 610, where the two cutting mechanisms 610 are respectively located at two ends of the workpiece 810 along the width direction of the lower die holder 100, and the cutting mechanism 610 cuts the connecting strip, so that the workpiece 810 is separated from the blank 800, and blanking is implemented.

Through setting gradually material station 300, shaping station 400, turn-ups station 500 and blanking station 600 along length direction between die holder 100 and upper die holder 200, can cut material strip, stamping forming and turn-ups to embryo material 800 in proper order, cut material strip at last and realize the blanking, wherein, material strip can carry work piece 810 to next station from last station to realize continuous processing work piece 810, effectively improve production efficiency, need not to develop many sets of moulds, effectively reduce mould cost and whole manufacturing cost.

Referring to fig. 5 and 6, it may be understood that the shearing mechanism 610 includes a stretch-cutting die 611, a transmission plate 612 and a driving assembly, the stretch-cutting die 611 is provided with a lower end of the upper die holder 200, the transmission plate 612 is slidably mounted on the lower die holder 100 along a horizontal direction, one end of the transmission plate 612 is provided with a stretch-cutting punch 615, and the other end is connected with the driving assembly to drive the transmission plate 612 to move. Specifically, the driving assembly includes a first wedge 613 and a second wedge 614, the first wedge 613 is disposed on the upper die holder 200, the second wedge 614 is disposed on the other end of the driving plate 612, opposite sides of the first wedge 613 and the second wedge 614 are provided with inclined planes, the two inclined planes are parallel, the inclined plane of the first wedge 613 faces toward one side facing away from the workpiece 810, and the inclined plane of the second wedge 614 faces toward the workpiece 810. During shearing, the stretch-cutting female die 611 is located at the outer side of the flanging of the workpiece 810, the stretch-cutting punch 615 is located at the inner side of the flanging of the workpiece 810, and moves along with the upper die holder 200 towards the lower die holder 100, the first wedge block 613 is matched with the second wedge block 614 to drive the transmission plate 612 to move, so that the stretch-cutting punch 615 is driven to move towards the stretch-cutting female die 611, and further a connecting strip is sheared at the flanging, so that the workpiece 810 is separated from the blank 800, and blanking is realized. The connecting strip is sheared in a stretch-cutting mode, so that the structure is simple, and the shearing precision is high, and the size of the workpiece 810 meets the requirement.

Referring to fig. 7, it can be understood that a positioning slot 6121 is provided at one end of the driving plate 612 facing away from the stretch-cutting punch 615, a positioning block 6141 is provided at one end of the second wedge 614 facing toward the driving plate 612, the cross sections of the positioning block 6141 and the positioning slot 6121 are polygonal, and the positioning block 6141 is accommodated in the positioning slot 6121, so that the second wedge 614 is positioned on the driving plate 612, and assembly is convenient.

Referring to fig. 6, it will be appreciated that the shear mechanism 610 further includes a return spring 616, one end of the return spring 616 being connected to an end of the drive plate 612 facing away from the draw punch 615, and the other end being connected to the die holder 100. When the driving assembly drives the stretch-cutting punch 615 to move towards the stretch-cutting female die 611, the transmission plate 612 compresses the reset spring 616, the upper die holder 200 moves upwards after shearing is completed, the first wedge block 613 is separated from the second wedge block 614, and under the elastic action of the reset spring 616, the sliding seat can be driven to move in the opposite direction, namely, the stretch-cutting punch 615 is driven to move in the direction deviating from the stretch-cutting female die 611, so that the stretch-cutting punch 615 is reset for the next processing, and the stretch-cutting die has a simple structure and is easy to realize.

Referring to fig. 6, it can be appreciated that the upper end surface of the lower die holder 100 is provided with a wear plate 617, and the driving plate 612 is disposed on the wear plate 617 and can slide along the wear plate 617, so that during the sliding process of the driving plate 612, the abrasion to the driving plate 612 and the lower die holder 100 can be reduced, and the service life can be prolonged.

Referring to fig. 2, it may be understood that the bending die 420 includes a positioning seat 422 and two pressing blocks 423, the two pressing blocks 423 are installed on the upper die holder 200 and located at two sides of the positioning seat 422, an elastic member 424, such as a nitrogen spring, is connected between the positioning seat 422 and the upper die holder 200, so that the positioning seat 422 is floatingly disposed on the upper die holder 200, and the height of the positioning seat 422 is smaller than that of the pressing blocks 423, so that a first concave portion 421 is formed between the two pressing blocks 423 and the positioning seat 422. When the lower die holder 100 moves downwards, the positioning seat 422 firstly presses the blank 800, the positioning seat 422 and the bending punch 410 clamp the workpiece 810 to position the workpiece 810, the elastic piece 424 is compressed along with the further downward movement of the upper die holder 200, and the two pressing blocks 423 further move downwards and cooperate with the bending punch 410 to realize the bending forming of the workpiece 810, so that the processing is facilitated.

Referring to fig. 1, it can be understood that the die assembly further includes a blanking station 700, wherein the blanking station 700 is located between the blanking station 300 and the forming station 400, and the blanking station 700 is provided with a punch that is mounted to the lower end of the upper die holder 200. As the upper die base 200 moves downward, the punch may cut scrap between two adjacent workpieces 810 for subsequent blanking.

Referring to fig. 1, it can be understood that after the punch cuts the scrap, a through hole is formed in the blank 800, the edge of the through hole has burrs, and the burrs easily drop onto the workpiece 810 after blanking, so that the workpiece 810 is scratched or crushed. Therefore, the blanking station 700 is further provided with a burr pressing block 710, the burr pressing block 710 is arranged at the upper end of the lower die holder 100, the burr pressing block 710 is matched with the shape of the through hole, when the burr pressing block 710 passes through the through hole, burrs on the edge of the through hole can be scraped off, the workpiece 810 is prevented from being scratched, and the production quality is ensured.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A progressive die for a motor mount, comprising:

a lower die holder;

the upper die holder is arranged above the lower die holder and can move in the up-down direction;

a material connecting station, a forming station, a flanging station and a blanking station are sequentially arranged along the length direction of the lower die holder;

the material connecting station comprises cutters arranged on the upper die holder, and the cutters are used for respectively cutting the bent material connecting strips at two ends of the workpiece;

the forming station comprises a bending male die and a bending female die, and the bending female die is provided with a first concave part capable of accommodating the bending male die;

the flanging station comprises a flanging male die, a flanging female die and a material bearing block, wherein the flanging female die is provided with a second concave part, the material bearing block is arranged in the second concave part, a step part is arranged between the material bearing block and the flanging female die, and the outer diameter of the flanging male die is smaller than the inner diameter of the step part;

the blanking station comprises a shearing mechanism, and the shearing mechanism is used for shearing the connecting belt.

2. A progressive die for a motor mount as claimed in claim 1, wherein: the cutter is configured as a movable wire.

3. A progressive die for a motor mount as claimed in claim 1, wherein: the shearing mechanism comprises a stretch-cutting female die, a transmission plate and a driving assembly, wherein the stretch-cutting female die is arranged on the upper die holder, the transmission plate is slidably arranged on the lower die holder along the horizontal direction, one end of the transmission plate is provided with a stretch-cutting punch, the driving assembly is arranged on the other end of the transmission plate, and when the upper die holder moves towards the lower die holder, the driving assembly drives the transmission plate to move so that the stretch-cutting punch moves towards the stretch-cutting female die.

4. A progressive die for a motor mount according to claim 3, wherein: the driving assembly comprises a first wedge block and a second wedge block which are matched with each other, the first wedge block is arranged on the upper die base, and the second wedge block is arranged on the other end of the transmission plate.

5. The progressive die for a motor bracket of claim 4, wherein: the transmission plate is provided with a positioning groove, and the second wedge-shaped block is provided with a positioning block accommodated in the positioning groove.

6. A progressive die for a motor support according to any one of claims 3 to 5, characterized in that: the shearing mechanism further comprises a reset spring, one end of the reset spring is connected with one end of the transmission plate, which is away from the stretch-cutting punch, the other end of the reset spring is connected with the lower die holder, and the reset spring is used for driving the stretch-cutting punch to move along the direction, which is away from the stretch-cutting die.

7. A progressive die for a motor support according to any one of claims 3 to 5, characterized in that: the lower die holder is also provided with a wear-resisting plate, and the transmission plate is arranged on the wear-resisting plate and can slide along the wear-resisting plate.

8. A progressive die for a motor mount as claimed in claim 1, wherein: the bending female die comprises a positioning seat and two pressing blocks, wherein the two pressing blocks are arranged on two sides of the positioning seat along the vertical direction, the height of the positioning seat is smaller than that of the pressing blocks, and an elastic piece is connected between the positioning seat and the upper die seat.

9. A progressive die for a motor mount as claimed in claim 1, wherein: the blanking machine further comprises a blanking station, the blanking station is located between the material connecting station and the forming station, the blanking station is provided with a burr pressing block, the burr pressing block is arranged at the upper end of the lower die holder, and the shape of the cross section of the burr pressing block is matched with the shape of the waste after blanking.

10. A progressive die for a motor mount as claimed in claim 1, wherein: the feeding end of the connecting station is further provided with a material supporting plate and a material guiding plate, the material supporting plate is arranged on the lower die holder, the material guiding plate is arranged on the upper die holder and located above the material supporting plate, and a passage for passing through a blank is arranged between the material supporting plate and the material guiding plate.