CN112371829B

CN112371829B - Convex-concave die device for preventing material from being blocked

Info

Publication number: CN112371829B
Application number: CN202110059208.0A
Authority: CN
Inventors: 姚元国; 周新国
Original assignee: Yantai Xinyang Electronics Co ltd
Current assignee: Yantai Xinyang Electronics Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-09-03
Anticipated expiration: 2041-01-18
Also published as: CN112371829A

Abstract

The invention discloses a convex-concave die device for preventing material from being blocked, and relates to the technical field of machining. The invention comprises a female die and a male die, wherein the upper surface of the female die is provided with a blanking hole, the male die is in sliding fit with the blanking hole, the side surfaces of the periphery of the female die are provided with sliding grooves, the blanking holes of the sliding grooves are communicated, and the sliding grooves are connected with sliding blocks in a sliding manner. According to the invention, the brush roller, the sliding block, the push block, the second spring and the screw rod are used, material clamping is avoided, the screw rod can be driven to rotate by rotating the knob, the push block can be driven to move forward or backward by the screw rod, the closer the push block is to the blanking hole, the larger the pressure borne by the brush roller is, the larger the friction force is, and otherwise, the smaller the friction force is, so that the adjusting effect is achieved. According to the invention, by using the fixed frame, the movable frame, the sliding rod and the first spring, when the male die punches a workpiece, the sliding frame can be extruded to slide upwards, when the male die is reset, the sliding frame can be reset along with the workpiece, and in the process, the sliding frame can further remove waste materials on the surface of the male die, so that material blockage is further prevented.

Description

Convex-concave die device for preventing material from being blocked

Technical Field

The invention belongs to the technical field of machining, and particularly relates to a convex-concave die device for preventing material clamping.

Background

The male and female die structure is generally applied to a compound die, and the compound die is a die structure for completing multiple processes of blanking, punching and the like in one stroke of a punch press. Compared with other cold stamping die structures, the cold stamping die has the following advantages: the coaxiality of the workpiece is good, the surface is straight, and the dimensional accuracy is high; the production efficiency is high, and is not limited by the precision of bar stock overall dimension, and sometimes the scrap can also be used for reproduction. The composite die structure has high production efficiency, so that the size precision of a workpiece is good to be welcomed by customers; but at the same time, the common processing method is not satisfactory because the punch and the die are limited by blanking conditions. Therefore, a novel processing method, namely a corrosion process, is provided, and the processed chess parts completely meet the technical requirements. After the composite die parts are subjected to a corrosion process, the processed material leaking hole walls are smooth and consistent in size, and the strength of the cutting edge is guaranteed to the maximum extent.

However, when the existing punch-die device punches a workpiece, a large amount of crushed materials are easily adsorbed on the surface of a punch, so that the material clamping is caused, which has a great influence on production.

Disclosure of Invention

The invention aims to provide a material-clamping-preventing punch-die device, which solves the problem that the material clamping is caused by the fact that a large amount of crushed materials are easily adsorbed on the surface of a punch when a workpiece is punched by the conventional punch-die device, and the material clamping is greatly influenced.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a convex-concave die device for preventing material clamping, which comprises a concave die and a convex die, wherein a blanking hole is formed in the upper surface of the concave die, the convex die is in sliding fit with the blanking hole, sliding grooves are formed in the peripheral side surfaces of the concave die, the blanking hole of each sliding groove is communicated, a sliding block is connected in each sliding groove in a sliding mode, one end, close to the blanking hole, of each sliding block is rotatably connected with a brush roller, one surface, far away from the brush roller, of each sliding block is fixedly connected with a second spring, one end, far away from the sliding block, of each second spring is fixedly connected with a push block, each push block is connected with each sliding groove in a sliding mode, one end, far away from the second spring, of each push block is rotatably connected with a screw rod, each screw rod is in threaded connection with an installation plate, the installation plate is fixedly connected with one side surface of the concave die, and one end surface, far away from the push blocks, of each screw rod is fixedly connected with a knob; in the structure, the waste material can fall through blanking hole when the terrace die punches the work piece down, and the terrace die can get into blanking hole simultaneously, and at this moment the terrace die can extrude the brush roller, and the brush roller can get rid of the crushed aggregates on terrace die surface under the effect of frictional force, avoids the card material, can drive the screw rod through rotating the knob and rotate in addition, and the screw rod can drive the ejector pad and advance or retreat, and the ejector pad is close to blanking hole more, and the pressure that the brush roller received will be big more, and frictional force is also big more, and is small otherwise.

Preferably, a fixed frame is fixedly connected to the peripheral side face of the male die, a sliding frame is arranged on the lower side of the fixed frame and is in sliding fit with the male die, a sliding rod is fixedly connected to the upper surface of the sliding frame and is in sliding fit with the fixed frame; in the above-mentioned structure, when the terrace die blanking work piece, the carriage can receive the extrusion to go up the slide, and when the terrace die reset, the carriage can reset thereupon, and this in-process, the carriage can further get rid of the waste material on terrace die surface, further prevents the card material.

Preferably, the upper end face of the sliding rod is fixedly connected with a stop block, the stop block is positioned on the upper side of the fixing frame, and the limiting effect is achieved, so that the sliding rod can only slide within a fixed distance.

Preferably, a first spring is arranged on the peripheral side face of the sliding rod, and two ends of the first spring are respectively and fixedly connected with the upper surface of the sliding frame and the lower surface of the fixed frame; in the above configuration, the first spring has a function of returning the carriage.

Preferably, the concave die is internally provided with an air path channel, the air path channel is communicated with the sliding groove and is positioned on the upper side of the sliding groove, in the structure, air can be introduced into the air path channel, air is blown to the sliding groove, and crushed materials adhered to the peripheral side of the brush roller are removed.

Preferably, a filter screen is installed in the air path channel; in the structure, the filter screen can filter crushed aggregates and prevent the crushed aggregates from entering the air channel.

Preferably, the gas path channel is also communicated with a connecting pipe, and the connecting pipe is fixedly connected with one side surface of the female die; in the above structure, the connection pipe may be connected to an external gas line pipe to provide high-pressure gas.

The invention has the following beneficial effects:

1. according to the invention, by using the brush roller, the sliding block, the push block, the second spring and the screw rod, when the male die punches a workpiece downwards, waste materials can fall through the blanking hole, the male die can enter the blanking hole, the male die can extrude the brush roller, the brush roller can remove the crushed materials on the surface of the male die under the action of friction force, material clamping is avoided, the screw rod can be driven to rotate by rotating the knob, the push block can be driven to advance or retreat by the screw rod, the pressure borne by the brush roller is larger and the friction force is larger as the push block is closer to the blanking hole, and the smaller the push block is, so that the friction force can be effectively adjusted.

2. According to the invention, by using the fixed frame, the movable frame, the sliding rod and the first spring, when the male die punches a workpiece, the sliding frame can be extruded to slide upwards, when the male die is reset, the sliding frame can be reset along with the workpiece, and in the process, the sliding frame can further remove waste materials on the surface of the male die, so that material blockage is further prevented.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a schematic three-dimensional structure diagram of a material-jamming prevention punch-die device according to the present invention;

FIG. 2 is a front view of a material jam prevention punch and die apparatus of the present invention;

FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is an enlarged view of area A of FIG. 3;

fig. 6 is an enlarged view of the region B in fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1-female die, 101-blanking hole, 102-sliding chute, 103-air channel, 2-male die, 3-connecting tube, 4-sliding frame, 5-fixed frame, 6-knob, 7-mounting plate, 8-stop block, 9-sliding rod, 10-first spring, 11-screw rod, 12-push block, 13-second spring, 14-filter screen, 15-sliding block and 16-brush roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper," "middle," "outer," "inner," "around," and the positional relationships are used merely for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1-6, the invention relates to a material-blocking-preventing punch-die device, which comprises a female die 1 and a male die 2, wherein a blanking hole 101 is formed in the upper surface of the female die 1, the male die 2 is in sliding fit with the blanking hole 101, a sliding groove 102 is formed in the peripheral side surface of the female die 1, the blanking hole 101 of the sliding groove 102 is communicated, a sliding block 15 is connected in the sliding groove 102 in a sliding manner, one end, close to the blanking hole 101, of the sliding block 15 is rotatably connected with a brush roller 16, one surface, far away from the brush roller 16, of the sliding block 15 is fixedly connected with a second spring 13, one end, far away from the sliding block 15, of the second spring 13 is fixedly connected with a push block 12, the push block 12 is slidably connected with the sliding groove 102, one end, far away from the second spring 13, of the push block 12 is rotatably connected with a screw 11, the screw 11 is in threaded connection with an installation plate 7, the installation plate 7 is fixedly connected with one side surface of the female die 1, and one end surface, far away from the push block 12, of the screw 11 is fixedly connected with a knob 6; in the above-mentioned structure, the waste material can fall through blanking hole 101 when terrace die 2 down punches the work piece, terrace die 2 can get into blanking hole 101 simultaneously, at this moment terrace die 2 can extrude brush roller 16, and brush roller 16 can remove the crushed aggregates on 2 surperficial terrace die under the effect of frictional force, avoid the card material, and can drive screw rod 11 through rotating knob 6 and rotate, screw rod 11 can drive ejector pad 12 and advance or retreat, ejector pad 12 is close to blanking hole 101 more, the pressure that brush roller 16 received will be big more, frictional force is also big more, otherwise is little.

Furthermore, a fixed frame 5 is fixedly connected to the peripheral side surface of the male die 2, a sliding frame 4 is arranged on the lower side of the fixed frame 5, the sliding frame 4 is in sliding fit with the male die 2, a sliding rod 9 is fixedly connected to the upper surface of the sliding frame 4, and the sliding rod 9 is in sliding fit with the fixed frame 5; in the structure, when the punch 2 punches a workpiece, the sliding frame 4 can be extruded to slide upwards, when the punch 2 resets, the sliding frame 4 can reset along with the punch, and in the process, the sliding frame 4 can further remove waste materials on the surface of the punch 2, so that material blockage is further prevented.

Furthermore, a stop block 8 is fixedly connected to the upper end face of the slide rod 9, and the stop block 8 is located on the upper side of the fixing frame 5, so that a limiting effect is achieved, and the slide rod 9 can only slide within a fixed distance.

Furthermore, a first spring 10 is arranged on the peripheral side surface of the sliding rod 9, and two ends of the first spring 10 are respectively and fixedly connected with the upper surface of the sliding frame 4 and the lower surface of the fixed frame 5; in the above configuration, the first spring 10 has a function of restoring the carriage 4.

Further, an air channel 103 is arranged inside the female die 1, the air channel 103 is communicated with the sliding groove 102, the air channel 103 is located on the upper side of the sliding groove 102, in the structure, air can be introduced into the air channel 103, air is blown into the sliding groove 102, and crushed materials adhered to the peripheral side of the brush roller 16 are removed.

Further, a filter screen 14 is installed in the air passage 103; in the above structure, the filtering net 14 can filter the crushed aggregates to prevent the crushed aggregates from entering the air passage 103.

Further, the gas path channel 103 is also communicated with a connecting pipe 3, and the connecting pipe 3 is fixedly connected with one side surface of the female die 1; in the above structure, the connection pipe 3 may be connected to an external gas line pipe to supply high-pressure gas.

Referring to fig. 1-6, the present invention relates to a material jam prevention punch-die apparatus, which has the following working principle:

waste material can fall through blanking hole 101 when terrace die 2 down punches work piece, terrace die 2 can get into blanking hole 101 simultaneously, at this moment terrace die 2 can extrude brush roller 16, and brush roller 16 can remove the crushed aggregates on terrace die 2 surface under the effect of frictional force, avoid the card material, and can drive screw rod 11 through rotating knob 6 and rotate, screw rod 11 can drive ejector pad 12 and advance or retreat, ejector pad 12 is close to blanking hole 101 more, the pressure that brush roller 16 received will be big more, frictional force is also big more, otherwise is little.

When 2 blanking work pieces of terrace die, carriage 4 can receive the extrusion to go up the slip, when terrace die 2 reset, carriage 4 can reset under the effect of first spring 10, and this in-process, carriage 4 can further get rid of the waste material on 2 surfaces of terrace die, further prevents the card material, can connect external gas circuit device with connecting pipe 3 in addition, then blows toward gas circuit passageway 103, gets rid of the crushed aggregates of 16 side adhesion of brush rollers.

In order to enhance the effect of the carriage 4 in removing the scrap, a device such as a soft cloth or brush may be fixedly attached to the inner surface of the carriage 4.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a punch-die device of anti-sticking material, includes die (1) and terrace die (2), blanking hole (101) have been seted up to die (1) upper surface, terrace die (2) and blanking hole (101) sliding fit, spout (102) have been seted up to die (1) side all around, spout (102) and blanking hole (101) intercommunication, sliding connection has slider (15) in spout (102), slider (15) are close to the one end rotation of blanking hole (101) and are connected with brush roller (16), its characterized in that:

one fixed surface who keeps away from brush roller (16) of slider (15) is connected with second spring (13), one end fixedly connected with ejector pad (12) of slider (15) are kept away from in second spring (13), ejector pad (12) and spout (102) sliding connection, the one end rotation that second spring (13) were kept away from in ejector pad (12) is connected with screw rod (11), screw rod (11) threaded connection has mounting panel (7), a mounting panel (7) and die (1) side fixed connection, a terminal surface fixedly connected with knob (6) of ejector pad (12) are kept away from in screw rod (11).

2. The material-clamping-preventing punch-die device as claimed in claim 1, wherein a fixed frame (5) is fixedly connected to the peripheral side of the male die (2), a sliding frame (4) is arranged on the lower side of the fixed frame (5), the sliding frame (4) is in sliding fit with the male die (2), a sliding rod (9) is fixedly connected to the upper surface of the sliding frame (4), and the sliding rod (9) is in sliding fit with the fixed frame (5).

3. The material-clamping-preventing punch-die device as claimed in claim 2, characterized in that a stop block (8) is fixedly connected to the upper end surface of the sliding rod (9), and the stop block (8) is positioned on the upper side of the fixing frame (5).

4. The device of claim 2, wherein the sliding rod (9) is provided with a first spring (10) on the peripheral side, and two ends of the first spring (10) are respectively fixedly connected with the upper surface of the sliding frame (4) and the lower surface of the fixed frame (5).

5. The material-clamping-preventing punch-die device according to claim 1, wherein an air channel (103) is arranged inside the die (1), the air channel (103) is communicated with the chute (102), and the air channel (103) is positioned on the upper side of the chute (102).

6. The material-clamping-preventing punch-die device as claimed in claim 5, wherein a filter screen (14) is installed in the air passage (103).

7. The material-clamping-preventing punch-die device according to claim 5, wherein the gas path channel (103) is further communicated with a connecting pipe (3), and the connecting pipe (3) is fixedly connected with one side surface of the die (1).