CN212494753U - Fine blanking and thin pressing combined machining die - Google Patents

Abstract

The utility model provides a die for combined processing of fine stamping and thinning, which comprises a lower die and an upper die, wherein the lower die is provided with a die cavity with an upward opening; the device comprises a fine punching device and a thinning mechanism, wherein the fine punching device is used for performing fine punching operation on an object, and the thinning mechanism is used for performing thinning operation on the object; the fine blanking device includes two driving frames, two lead screws and two stoppers, two driving frame symmetries set up the side at the mounting bracket, two lead screw symmetries set up on the bed die, the driving frame cover is located on the lead screw, the stopper passes through the detachable fixing of spacing bolt on the lead screw, the utility model discloses can carry out the fine blanking operation back to the work piece, press thin operation to the work piece.

Description

Fine blanking and thin pressing combined machining die

Technical Field

The utility model relates to a mould processing equipment field especially relates to a mould of fine blanking and thin combination processing of pressure.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother". The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like.

In the prior art, die machining belongs to an important step in material machining, but the traditional die machining can only execute one of fine blanking operation or thinning operation, so that the application range is small, the workpiece machining process can only perform fine blanking first and then thinning, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a die for combined fine blanking and ironing to solve the above problems.

Based on the above purpose, the utility model provides a fine blanking and thinning combined processing die, which comprises a lower die and an upper die, wherein the lower die is provided with a die cavity with an upward opening; the device comprises a fine punching device and a thinning mechanism, wherein the fine punching device is used for performing fine punching operation on an object, and the thinning mechanism is used for performing thinning operation on the object.

Preferably, the fine blanking device comprises two transmission frames, two lead screws and two limit blocks, the two transmission frames are symmetrically arranged on the side face of the mounting frame, the two lead screws are symmetrically arranged on the lower die, the transmission frames are sleeved on the lead screws, and the limit blocks are detachably fixed on the lead screws through limit bolts.

Preferably, the die further comprises a driving chamber and a thinning mechanism, wherein the driving chamber is arranged at the top of the upper die and is driven by a driving source to move up and down; the thinning mechanism comprises a rotary table, a motor, a sliding strip, a sliding block and a connecting rod, wherein the rotary table is connected inside a driving chamber in a rotating mode, the output end of the motor is fixedly connected with the center of the rotary table, the sliding strip is connected inside the driving chamber in a sliding mode, the sliding block is connected inside the sliding strip in a sliding mode, the sliding block is connected to the surface of the rotary table in a rotating mode through a pin shaft, the connecting rod is fixedly connected with the sliding strip, the connecting rod penetrates through a mounting frame, the connecting rod is fixedly connected with an upper die, and the mounting frame is arranged.

More preferably, still include supplementary thinning mechanism, supplementary thinning mechanism includes mounting panel, ratchet, pawl, transmission piece and connecting rod, the mounting panel rotates to be connected epaxially at the carousel, and has seted up the spout on the mounting panel, the ratchet sets up epaxially at the carousel, the pawl sets up on the mounting panel, and the pawl meshes with the ratchet mutually, transmission piece sliding connection is inside the spout, the fixed setting of one end of connecting rod is on the output of motor, and the other end rotates to be connected on the transmission piece.

Preferably, the die further comprises scale marks, and the scale marks are arranged on the lower die and used for limiting the distance between the limiting block and the lower die.

From the above, the utility model has the advantages that: the utility model provides two transmission frames, two screw rods and two limiting blocks, which can carry out fine blanking operation on the workpiece; the utility model can carry out thinning operation on the workpiece after carrying out fine blanking operation on the workpiece through the turntable, the motor, the slide bar, the slide block and the connecting rod; the utility model discloses a mounting panel, ratchet, pawl, transmission piece and connecting rod, can carry out the lamination to the work piece, make the work piece attenuation gradually.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the medium-pressure thinning mechanism of the present invention;

fig. 3 is a schematic structural view of the middle auxiliary thinning mechanism of the present invention.

In the reference symbols: 1. a lower die; 2. a screw rod; 3. a limiting block; 4. a limit bolt; 5. a transmission frame; 6. a thinning mechanism; 7. a drive source; 8. a drive chamber; 9. a mounting frame; 10. an upper die; 11. a mold cavity; 12. an auxiliary thinning mechanism; 61. an electric motor; 62. a slider; 63. a first pin shaft; 64. a connecting rod; 65. a slide bar; 66. a turntable; 121. a ratchet wheel; 122. mounting a plate; 123. a chute; 124. a connecting rod; 125. a transmission block; 126. a second pin shaft; 127. a pawl; 661. a turntable shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present invention should have the ordinary meaning as understood by those having ordinary skill in the art to which the present disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Example one

Referring to fig. 1, a fine blanking and ironing combined processing die includes a lower die 1 and an upper die 10, wherein the lower die 1 is provided with a die cavity 11 with an upward opening; the device comprises a fine punching device and a thinning mechanism 6, wherein the fine punching device is used for performing fine punching operation on an object, and the thinning mechanism 6 is used for performing thinning operation on the object.

The fine blanking device comprises two transmission frames 5, two screw rods 2 and two limit blocks 3, wherein the two transmission frames 5 are symmetrically arranged on the side face of the mounting frame 9, the two screw rods 2 are symmetrically arranged on the lower die 1, the screw rods 2 are sleeved with the transmission frames 5, and the limit blocks 3 are detachably fixed on the screw rods 2 through limit bolts 4.

The working process is as follows: the workpiece is placed in the lower die 1, the limiting block 3 is fixed on the screw rod 2 through the fastening bolt, the upper die 10 is driven to move downwards through the driving source 7, the position of the transmission frame 5 is positioned through the limiting block 3, the machining precision is improved, and the fine blanking operation is completed.

Example two

As a preferable scheme of the first embodiment, please refer to fig. 2, further comprising a driving chamber 8 and a thinning mechanism 6, wherein the driving chamber 8 is arranged on the top of the upper die 10, and the driving chamber 8 is driven by a driving source 7 to move up and down; thin mechanism 6 includes carousel 66, motor 61, draw runner 65, slider 62 and connecting rod 64, carousel 66 rotates to be connected inside drive chamber 8, the output of motor 61 and the center fixed connection of carousel 66, draw runner 65 sliding connection is inside drive chamber 8, slider 62 sliding connection is inside draw runner 65, and slider 62 rotates the surface of connection at carousel 66 through first round pin axle 63, connecting rod 64 and draw runner 65 fixed connection, and connecting rod 64 runs through mounting bracket 9 to with last mould 10 fixed connection, and mounting bracket 9 sets up on transmission frame 5.

The working process is as follows: the same steps as those in the first embodiment are performed, after the fine blanking is completed, the motor 61 is operated, the output end of the motor 61 rotates to drive the turntable 66 to rotate, the turntable 66 rotates to drive the slider 62 to rotate through the first pin shaft 63, the slider 62 rotates to slide in the slider 65 in a reciprocating manner and drives the slider 65 to move downwards, the slider 65 drives the upper die 10 to move downwards through the connecting rod 64, the workpiece is thinned, after the thinning is completed, the motor 61 is continuously operated, and the upper die 10 is driven to reset.

EXAMPLE III

As a preferable scheme of the second embodiment, please refer to fig. 3, further comprising an auxiliary thinning mechanism 12, wherein the auxiliary thinning mechanism 12 includes a mounting plate 122, a ratchet wheel 121, a pawl 127, a transmission block 125 and a connecting rod 124, the mounting plate 122 is rotatably connected to a shaft of the turntable 66, the mounting plate 122 is provided with a sliding slot 123, the ratchet wheel 121 is arranged on the shaft of the turntable 66, the pawl 127 is arranged on the mounting plate 122, the pawl 127 is engaged with the ratchet wheel 121, the transmission block 125 is slidably connected inside the sliding slot 123, one end of the connecting rod 124 is fixedly arranged at an output end of the motor 61, and the other end of the connecting rod 124 is rotatably connected to the transmission block 125.

The working process is as follows: the output end of the motor 61 rotates to drive the connecting rod 124 to rotate, the connecting rod 124 drives the transmission block 125 to slide in the sliding groove 123 in a reciprocating manner through the second pin shaft, and drives the mounting plate 122 to swing in a reciprocating manner, the mounting plate 122 drives the pawl 127 to swing in a reciprocating manner, the pawl 127 drives the ratchet wheel 121 to rotate intermittently, and the ratchet wheel 121 drives the turntable 66 to rotate intermittently.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (5)

1. A die for combined fine blanking and ironing, comprising:

the lower die (1) is provided with a die cavity (11) with an upward opening; and an upper mold (10);

it is characterized by comprising:

the fine blanking device is used for performing fine blanking operation on the object; and a thinning mechanism (6), wherein the thinning mechanism (6) is used for performing thinning operation on the object.

2. A combined fine blanking and ironing die as claimed in claim 1, wherein said fine blanking means comprises:

the two transmission frames (5) are symmetrically arranged on the side surface of the mounting frame (9);

the two screw rods (2) are symmetrically arranged on the lower die (1), and the transmission frame (5) is sleeved on the screw rods (2); and the two limit blocks (3), the limit blocks (3) are detachably fixed on the screw rod (2) through limit bolts (4).

3. The combined fine blanking and ironing die as claimed in claim 1, further comprising:

the driving chamber (8), the driving chamber (8) is arranged at the top of the upper die (10), and the driving chamber (8) is driven by the driving source (7) to move up and down; and a thinning mechanism (6), the thinning mechanism (6) comprising:

a rotary disc (66), wherein the rotary disc (66) is rotatably connected inside the driving chamber (8);

the output end of the motor (61) is fixedly connected with the center of the rotating disc (66);

a slide bar (65), wherein the slide bar (65) is connected inside the driving chamber (8) in a sliding manner;

the sliding block (62) is connected inside the sliding strip (65) in a sliding mode, and the sliding block (62) is rotatably connected to the surface of the rotating disc (66) through a first pin shaft (63); and the connecting rod (64), the connecting rod (64) is fixedly connected with the sliding strip (65), the connecting rod (64) penetrates through the mounting frame (9) and is fixedly connected with the upper die (10), and the mounting frame (9) is arranged on the transmission frame (5).

4. A combined fine blanking and ironing die as claimed in claim 3, further comprising:

an auxiliary thinning mechanism (12), the auxiliary thinning mechanism (12) comprising:

the mounting plate (122), the mounting plate (122) is rotatably connected to the shaft of the turntable (66), and the mounting plate (122) is provided with a sliding groove (123);

a ratchet wheel (121), wherein the ratchet wheel (121) is arranged on the shaft of the turntable (66);

the pawl (127) is arranged on the mounting plate (122), and the pawl (127) is meshed with the ratchet wheel (121);

the transmission block (125), the transmission block (125) is connected inside the sliding groove (123) in a sliding mode; and one end of the connecting rod (124) is fixedly arranged on the output end of the motor (61), and the other end of the connecting rod (124) is rotatably connected to the transmission block (125).

5. A combined fine blanking and ironing die as claimed in claim 1, characterized by further comprising scale marks provided on the lower die (1) for limiting the distance between the stopper (3) and the lower die (1).

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