KR101039032B1

KR101039032B1 - Progressive molding system for material transfer equipment

Info

Publication number: KR101039032B1
Application number: KR1020100115985A
Authority: KR
Inventors: 박기창; 황현복
Original assignee: 태영다이텍(주)
Priority date: 2010-11-22
Filing date: 2010-11-22
Publication date: 2011-06-03

Abstract

PURPOSE: A material transfer device for a progressive molding apparatus is provided to improve the speed and accuracy of molding by individually supply materials produced from steel plates to molding punches according to process. CONSTITUTION: A material transfer device for a progressive molding apparatus comprises a jig frame. The jig frame comprises one or more jig platforms(1,1') in which jig setting grooves are formed at regular intervals in the longitudinal direction, and the jig platforms are coupled with connecting rods(13) to be actuated with a jig frame cylinder(14). The jig actuator comprises one or more jig operation platforms(2) in which a plurality of jig transfer grooves(21) are formed in the longitudinal direction, and the jig operation platforms are coupled with connecting rods(22) to be actuated with a jig actuating cylinder(23).

Description

Progressive molding system for material transfer equipment

The present invention relates to a raw material conveying apparatus for a progressive mold apparatus,

More specifically, the processing material obtained from the steel sheet is individually transferred to a plurality of molding punch sections of the mold apparatus to be carried out step by step so that the molding of more various shapes can be produced and at the same time minimize the waste of the steel sheet.

In general, the progressive mold apparatus is a device that obtains a molded product of a specific shape by repeatedly processing the iron plate continuously supplied in a plurality of forming punch in stages,

Specifically, as shown in FIG. 8, the upper mold includes a plurality of forming punches and a lower die having a forming die corresponding to the plurality of forming punches to process the iron plate continuously supplied through the side feed rollers. To obtain a large amount of moldings.

However, such a conventional progressive mold apparatus is a method of integrally forming a molded product on an iron plate as shown in FIG. 12, and there is a waste of trouble and manpower that need to be performed separately afterwards, and particularly, a defective occurrence rate of the molded product during the separation work is increased. A problem that was very high was pointed out.

That is, in the conventional progressive mold apparatus, the iron sheet is continuously supplied between upper and lower mold apparatuses through a feed roller, and a specific molding is obtained by performing material forming and stepwise processing of the material on the surface thereof. In order to perform the step-by-step machining work by transporting the material to the iron plate, the outer periphery of the material was formed at the same time as the iron plate and a plurality of rods.

Therefore, the moldings processed through the progressive molds were conventionally manufactured integrally with the steel plate in the shape as shown in FIG. 12, and there was a problem of having to separate the moldings from the steel plate later, and there was a possibility of defects. The formation of a number of rods caused the iron plate was very wasteful and resulted in an increase in the manufacturing cost of the moldings, and as the plate and the material are connected to the rods and transferred, the upper part of the material (the upper part connected to the rod) There was a problem that simultaneous machining of inclined and bent shapes was impossible.

The present invention has been invented to solve the problem of waste and defect of the iron plate and the material that has emerged in the conventional progressive mold apparatus described above.

In particular, a material transfer device consisting of a plurality of repeating pairs of jig pairs installed between the upper and lower molds of a conventional progressive mold device enables individual supply of materials generated from a steel plate to molding punches for each stage. The invention has been invented with the focus on the technical task of obtaining rapidity, precision and variety of shapes and further increasing the number of materials that can be obtained from the steel sheet, thereby minimizing waste of the iron strip.

Means of the present invention for solving the above problems is a pair of jig mounting stand (1) (1) having a plurality of jig mounting grooves 12 of equal intervals on the inner line in the longitudinal direction, as shown in FIG. ') At least one of the jig frame 101 and the one end is coupled to each other by a connecting rod 13 to the operation by the jig frame cylinder 14 and,

At least one pair of jig operating units 2 having a plurality of jig feed grooves 21 are formed along the center line of length, and then one end thereof is coupled to each other by a connecting rod 22 to the jig operating cylinder 23. At the same time, the material transfer device is composed of a jig actuator 201, which is placed on the jig mounting base (1) (1 '),

The pair of jig mounts 1, 1 ′ of the jig frame 101 are symmetrically arranged at one end of the jig 3 having elastic springs 31 into the jig installation grooves 12 provided on the length center line thereof. The jig (3) is configured, but the guide hole formed on the upper surface of the jig mounting base (1) (1 ') by installing the jig transfer piece 33 to the top at the same time to form the material settled grooves 32 at the other end thereof, respectively 34 so that it can be raised upward through

The pair of jig operating tables (2) and (2 ') of the jig operating body (201) is located on the multiple jig mounting table (1) (1') of the jig frame (201) jig in the jig feed groove 21 The jig transfer piece 33 of (3) is configured to be fitted,

The jig transfer groove 21 is characterized in that the fixing groove 21-1 and the expansion groove 21-2 has a shape that is connected to the inclined surface (21-3).

Therefore, the progressive mold apparatus to which the above-described means of the present invention is applied has an action characteristic capable of transferring the material obtained from the iron plate to each step of the forming punch individually, thereby obtaining the effect of improving the speed and precision of the machining operation on the material. In addition, it is possible to simultaneously perform a variety of processing operations and at the same time to increase the number of materials obtained from the iron plate as possible to provide the effect of minimizing the waste of iron plate stalks.

This will be described in more detail based on the accompanying drawings.

1 is an overall view of the present invention,
2 is an exploded view of the present invention,
3 is a plan view of the present invention,
Figure 4 is an illustration of a jig actuator shown in the present invention,
5 is a cross-sectional plan view of a jig frame part of the present invention;
Figure 6 is a cross-sectional view of the jig installation state proposed in the present invention,
7 is a view illustrating a jig operation of the present invention;
8 is an installation state of the present invention,
9 is an exemplary view of a lower die of a progressive mold apparatus to which the present invention is applied;
10 is an exemplary embodiment of a progressive mold apparatus to which the present invention is applied;
11 is a side view showing a conventional progressive mold apparatus,
12 is an exemplary view of a molded product manufactured by a conventional progressive mold apparatus,
13 is a processing flow chart of the moldings produced by the progressive mold apparatus.

Progressive mold device material transfer device proposed in the present invention is one or more pairs of jig mounting stand (1) (1 ') as shown in the accompanying drawings, and then repeatedly connected to the side end by connecting rod (13) Jig frame 101 to operate as a jig frame cylinder (14),

One or more pairs of jig operating units (2) and 2 'are repeatedly arranged, and then the side ends thereof are connected to connecting bars 22 to be configured as a jig operating body 201 to operate as a jig operating cylinder 23. It is

At this time, the pair of jig mounting base (1) (1 ') of the jig frame 101 is configured to be symmetrical with each other at a predetermined interval, each of the pair of jig mounting base (1) (1') in the longitudinal center inside each symmetrical A plurality of jig installation grooves 12 are formed at equal intervals, and then one end of the jig 3 having the elastic springs 31 is inserted therein so that the elastic springs 31 are formed with the inner wall surface of the jig installation grooves 12. It is located between one end of the jig (3) to give elasticity to the jig (3).

In addition, the jig (3) forms a material settling groove (32) for holding the material (a) at the other end thereof and at the same time provides a jig transfer pin (33) on the upper surface of the jig mount (1) (1 '). It is to protrude upward through the guide hole 34 formed on the upper surface.

Each material set groove 32 formed at the other end of the jig 3 has the same shape as the outer diameter of the material a to be gripped as shown in FIG. 7.

And a pair of jig operating table (2) (2 ') of the jig operating body 201 is arranged at the same interval as the jig mounting table (1) (1') and settled on the upper, but jig operating table (2) A plurality of jig transfer grooves 21 having a shape in which the fixed groove 21-1 and the expansion groove 21-2 are connected to the inclined surface 21-3 along the length center line of the line 2 '. A plurality of jig transfer pins 33 protruding from the upper surface of the mounting table 1, 1 ′ are engaged.

The jig transfer groove 21 is formed in the same as the outer diameter of the jig transfer pin 33, the fixed groove 21-1, as shown in Figure 6, the jig transfer pin 33 is the expansion groove 21-2 Make it large so that it can be composed.

In addition, the plurality of jig 3 and the jig transfer groove 21 formed in the pair of jig frame 101 and the jig actuator 201 is the number of stepping punches (4 ') of the progressive mold device (4) In the present invention, the number of configurations is not limited.

In the present invention, the number of the jig frame 101 and the jig actuator 201 is repeatedly configured, and the number thereof may increase according to the processing capacity of the progressive mold apparatus 4, and thus the number of components is not limited.

Looking at the most preferred embodiment of the present invention consisting of the above configuration by process,

First, the present invention is the number of configuration of the material cutting punch 43 and the plurality of molding punch (4 ') between the upper, lower mold 41, 42 of the conventional progressive mold apparatus 4 as shown in the accompanying drawings In the same manner, one or more pairs of jig mounting brackets 1 and 1 'that constitute the jig 3 are installed and used.

Specifically, the guide rail 42 'is installed on the lower mold 42 of the progressive mold apparatus 4, and then a pair of jig mounting units 1, 1' is mounted on the guide rail 42 '. Settled abnormally, the molding die 42-1 of the lower die 42 is positioned between the pair of jig mounts 1, 1 ', and on one end of the pair of jig mounts 1, 1'. The material cutting punch 43 of the progressive mold apparatus 4 is positioned on the jig 3 positioned as shown in FIG. 8.

Hereinafter, the shape of the molding and the processing thereof will be limited to the pin shape of FIG. 13 to help understand the embodiments.

When the above installation configuration is completed, as shown in FIG. 9, the material cutting punch 43 of the progressive die device 4 cuts the material a necessary for forming from the steel plate b traveling in the width direction of the device. And a material cutting supply step of drop-feeding the material settled groove 32 of the jig 3 located at the lower portion thereof.

The jig 3 provided in the pair of jig mounting base (1) (1 ') are respectively provided in the jig mounting groove (12) of the jig mounting base (1') (1 ') by the elastic spring 31 as shown in FIG. At the same time, the upper part of the jig feed pin 33 is located on the expansion groove 21-2 side of the jig feed groove 21 provided on the jig operating table 2, 2 'and corresponds to each other. Jig (3) is to keep in close contact with each other.

Therefore, the material (a) dropped through the material cutting punch (43) is formed on one side of the pair of jig mounting stand (1) (1 ') and the material settling groove 32 of the corresponding jig (3) to keep in close contact with each other ) Will fall and gripping.

When the above process is completed, a plurality of jig mounting stages 1 and 1 ′ carry out a transfer process of advancing a predetermined distance in the lateral direction by the operation of one side jig frame cylinder 14.

At this time, the jig mounting base (1) (1 ') is placed on the guide rail 42' and the conveyance is promoted, and the jig operating table installed on the upper part during the operation of the jig mounting base (1) (1 '). (2) (2 ') is a state in which a plurality of jigs (3) of the jig mounting base (1) (1') corresponding to each other above is in close contact with each other by the elastic spring 31 (state of the jig shown in Figure 7) Simultaneously proceeds by the jig working cylinder 23 so that the material (a) can be continuously maintained.

In addition, the travel distance of the jig mounting stand (1) (1 ') and the jig operating table (2') (2 ') is one forming punch (4') and another forming punch configured in the progressive mold apparatus 4 as shown in FIG. Only the distance c of (4 ') proceeds.

And the jig mounting base (1) (1 ') through the transfer process proceeds a plurality of jig (3) by the distance (c) shown in Fig. 8 (colinear with the forming punch located in the next step) jig (3) When the material (a) held in the material set groove 32 of the material is in the same line as the forming punch (4 ') of the step, the upper die 31 is lowered to form the material (a) into the forming punch (4') Machining process is performed.

Here, a plurality of jigs 3 of the jig mounting table 1 and 1 'are mounted on the jig operating table 2 at the moment when the raw material a contacts the forming punch 4' and the forming die 42- 1 during the processing process. 2) is supplied into the jig installation groove 12 to supply the material.

That is, when the raw material a is transferred to the forming punch 4 'in the next step in the state as shown in FIG. 7A, the forming punch 4' and the forming die 42-1 are transferred to the raw material a. In this case, the jig operating plate (2) (2 ') configured on the jig mounting base (1) (1') is reversed by the jig operating cylinder 23, each jig feed groove 21 The jig feed pin 33 of the jig 3 fitted in the cross direction is changed from the expansion groove 21-2 of the jig transfer groove 21 toward the fixing groove 21-1 along the inclined surface 21-3. To induce movement.

Then, the jig 3 is inserted into the jig installation groove 12 by the jig transfer pin 33, respectively, to release the gripping state of the material a so as to be processed by the forming punch 4 '.

Then, after the above machining process is completed, the jig mounting table (1) (1 ') and the jig operating table (2) (2') are replaced by the jig frame cylinder (14) and the jig operating cylinder (23). Molding punch position), and at the same time, the jig operating cylinder 23 moves the jig operating platform 2, 2 'again for a predetermined distance, and the jig feed pin 33 extends the jig feeding groove 21. To be located in the groove 21-2.

Then, the corresponding plurality of jig (3) is returned to its original position in the initial contact state by the elastic spring (31).

Here, when the jig 3 returns to the initial state by the above action, the above process is repeated by holding the material a processed in the forming punch 4 'in the previous step by the method described above.

As described above, the present invention is characterized in that each jig installed to correspond to each other on the jig mounting stand grips the material located in the corresponding molding punch, supplies it to the next molding punch, and then returns to the original position to perform the repeated action. In this case, each material is individually transferred by one step so that the processing steps as shown in FIG. 13 are sequentially performed.

In addition, the shape of the material settling groove formed in the plurality of jig is not only deformable according to the shape of the molding to be processed, but may be formed in plurality depending on the processing capability of the progressive mold apparatus.

In addition, the jig mounting groove (1) (1 ') to form a jig mounting groove 12 through the installation and at the same time to install a spring fixing plate (5) is adjusted to the installation interval by the bolt to the configuration. Then, the elastic spring inserted into the jig installation groove is interposed between the jig and the spring fixing plate to impart elasticity to the jig. In this case, when the installation interval of the spring fixing plate is adjusted with a bolt, the spring fixing plate is from one side of the jig mounting stand. The position is in close contact or slightly falling action is to be able to adjust the elasticity of the elastic spring.

This is to control the grip state of the jig more precisely according to the shape of the material to be processed in each step forming punch so that the gripping of the material can be made stable.

In addition, the jig operating platform transfer groove (6) is formed in the upper surface of the jig mounting base to promote a more stable forward and backward operation in a state where a plurality of jig operating platform is placed in the transfer groove.

Although the technical concept of the material transfer apparatus for the progressive mold apparatus of the present invention described above is described together with the accompanying drawings, this is illustrative of the best embodiment of the present invention and is not intended to limit the present invention.

Therefore, it is apparent that any person skilled in the art can make various modifications and imitations such as dimensions, shapes, structures, etc. without departing from the scope of the technical idea of the present invention.

1,1 ': jig mounting base 12: jig mounting groove
13: connecting rod 14: jig frame cylinder
101: jig frame 2,2 ': jig operation platform
21: jig transfer groove 21-1: fixed groove
21-2: Expansion groove 21-3: Slope
22: connecting rod 23: jig operating cylinder
201: Jig Actuator 3: Jig
31: elastic spring 32: material settling groove
33: jig feed pin 34: guide hole
4: Progressive mold device 4 ': Forming punch
41: upper mold 42: lower mold
42 ': guide rail 42-1: molding die
43: material cutting punch 5: spring fixing plate
6: Jig operation platform feed groove a: Material
a1: rod b: iron plate
c: distance

Claims

delete

One or more pairs of jig mounting brackets (1) (1 ') having a plurality of jig mounting grooves (12) at equal intervals are arranged on the inner line in the longitudinal direction, and then one end thereof is coupled to each other by a connecting table (13). Jig frame 101 for the operation by the frame cylinder 14,
At least one pair of jig operating units 2 having a plurality of jig feed grooves 21 are formed along the center line of length, and then one end thereof is coupled to each other by a connecting rod 22 to the jig operating cylinder 23. At the same time, the material transfer device is composed of a jig actuator 201, which is placed on the jig mounting base (1) (1 '),
The pair of jig mounts 1, 1 ′ of the jig frame 101 are symmetrically arranged at one end of the jig 3 having elastic springs 31 into the jig installation grooves 12 provided on the length center line thereof. The jig (3) is configured, but the guide hole formed on the upper surface of the jig mounting base (1) (1 ') by installing the jig transfer piece 33 to the top at the same time to form the material settled grooves 32 at the other end thereof, respectively 34 so that it can be raised upward through
The pair of jig operating tables (2) and (2 ') of the jig operating body (201) is located on the multiple jig mounting table (1) (1') of the jig frame (201) jig in the jig feed groove 21 The jig transfer piece 33 of (3) is configured to be fitted, but the jig transfer groove 21 has a shape in which the fixed groove 21-1 and the expansion groove 21-2 are connected to the inclined surface 21-3. A material feed apparatus for a progressive mold apparatus to have;

The jig mounting base (1) (1 ') through the jig mounting groove 12 through the installation and at the same time to install a spring fixing plate (5) is adjusted to the installation interval by the bolt to the elastic spring elasticity of the jig can be adjusted Material feeder for progressive mold apparatus characterized in that to enable.