CN217555131U - Transmission pay-off structure with buffering - Google Patents

Abstract

The utility model provides a delivery feeding structure with buffering, including buffering shell fragment, push pedal, deflector, manipulator clamping jaw and cavity die board, the one end of buffering shell fragment is fixed below the cavity die board through the bolt, the bottom of the one end of buffering shell fragment keeping away from the cavity die board contacts the deflector when there is not tablet transmission; the guide plate is arranged below the concave template and used for supporting the transmission of the material sheets; the push pedal sets up and keeps away from one side of buffering shell fragment and through cylinder drive in the die board below, and round trip movement promotes the tablet and removes to buffering shell fragment direction between die board and buffering shell fragment. The utility model discloses a cylinder and the elastic structure of buffering provide an elastic pushing down force at tablet pay-off in-process feed piece and increase the frictional force between tablet and the baffle, offset the pay-off positioning accuracy that the inertia of tablet improves the tablet, reduce the complexity of transmission pay-off structure, reduce manufacturing cost stable, effective, simple and convenient, high-efficient.

Description

Transmission pay-off structure with buffering

Technical Field

The utility model relates to a transmission formula stamping structure field especially relates to a transmission pay-off structure with buffering.

Background

The transmission type stamping structure is widely used for feeding in the transmission type deep drawing process, in the prior art, in the transmission process of material sheets falling in a die, in order to reduce the cost of a blanking part die and a servo feeding device, an air cylinder is often adopted for replacing the servo structure to provide transmission power of the material sheets for material sheet transmission at a blanking station, however, the air cylinder transmission has the defect that the feeding speed cannot be controlled, the feeding position is easily inaccurate due to the inertia of the material sheets when the feeding speed is too high, the rigidity limit position is often adopted at the feeding limit position under the condition, but the defect that the side wall is impacted and crushed exists, the problem that the limit position needs to be removed or the material sheets need to be lifted to avoid the limit position when the material sheets are fed to the next shift can exist, and the structure is made to be very complicated.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem and demand, the utility model aims to provide a transmission pay-off structure with buffering, it has solved above-mentioned problem owing to adopted following technical characteristic to other technological effects have been brought.

In order to achieve the purpose, the utility model provides a delivery feeding structure with buffer, which comprises a buffer elastic sheet 1, a push plate 2, a guide plate 3, a manipulator clamping jaw 4 and a concave template 5,

one end of the buffering elastic sheet 1 is fixed below the cavity plate 5 through a bolt, and the bottom of one end, far away from the cavity plate 5, of the buffering elastic sheet 1 is in bottom contact with the guide plate 3 when no material sheet is conveyed;

the guide plate 3 is arranged below the concave template 5 and used for supporting the transmission of the material sheets;

the push plate 2 is arranged on one side, away from the buffering elastic sheet 1, below the cavity plate 5 and driven by an air cylinder to move back and forth between the cavity plate 5 and the buffering elastic sheet 1 to push the material sheet to move towards the buffering elastic sheet 1;

the feeding belt 6 of the concave die plate 5 sequentially passes through the lower part of the punch along the die material conveying direction, and the material sheet is transferred to the guide plate 3 from the upper part of the concave die plate 5 through the downward movement of the punch 7;

the manipulator clamping jaw 4 is arranged on one side of the guide plate 3 close to the buffering elastic sheet 1, clamps the material sheet and conveys the material sheet rightwards.

According to the preferred scheme, the buffering elastic sheet 1 comprises a horizontal end 11 and an inclined transition end 13, wherein the horizontal end 11 is installed at the bottom of the concave template 5 through a bolt, and the inclined transition end 13 is connected with the horizontal end 11 and the arc-shaped elastic end 12;

set up right screw hole on the horizontal end 11 of buffering shell fragment 1 and be used for carrying out the bolt fastening with 5 bottoms of die board, play the effect to buffering shell fragment 1 increase stability, also convenient to detach, installation and maintenance.

According to a preferred scheme, the bottom of the arc-shaped elastic end 12 is provided with a circular arc-shaped bulge 14.

According to the preferred scheme, deflector 3 adopts the nylon material.

According to the preferred scheme, the cylinder is provided with a limiting device, and the limit position of the cylinder moving towards the right side is the position where the circle center of the material sheet does not exceed the tangent position of the bottom of the buffering elastic sheet 1 and the guide plate 3.

According to the preferred scheme, the concave die plate 5 is arranged at the forefront of all stations of the blanking deep drawing structure.

According to a preferred solution, the manipulator jaws 4 are arranged in two pairs along the feeding direction, spaced apart by a single step of the pusher plate 2 feeding forward.

The utility model has the advantages that: the structure of the cylinder and the buffer elasticity is adopted, the feeding sheet provides elastic downward pressure in the sheet feeding process to increase the friction force between the sheet and the guide plate, the inertia of the sheet is offset, the feeding positioning precision of the sheet is improved, the complexity of a transmission feeding structure is reduced, and the manufacturing cost is reduced, stable, effective, simple, convenient and efficient.

The following description of the preferred embodiments for carrying out the present invention will be made in detail with reference to the accompanying drawings so that the features and advantages of the present invention can be easily understood.

Drawings

FIG. 1 is a diagram illustrating the structure of step one of the present invention;

fig. 2 is a top view of a first step of the present invention;

fig. 3 is a structural diagram of the buffering elastic sheet of the present invention;

FIG. 4 is a structural diagram of step two of the present invention;

fig. 5 is a top view of step two of the present invention;

FIG. 6 is a view showing the structure of step three of the present invention;

fig. 7 is a top view of step three of the present invention;

FIG. 8 is a block diagram of step four of the present invention;

fig. 9 is a top view of step four of the present invention;

FIG. 10 is a diagram illustrating a fifth step of the present invention;

fig. 11 is a top view of step five of the present invention;

FIG. 12 is a block diagram of step six of the present invention;

fig. 13 is a top view of step six of the present invention;

fig. 14 is a diagram illustrating a seventh step of the present invention;

fig. 15 is a top view of step seven of the present invention;

FIG. 16 is a view showing the structure of step eight of the present invention;

fig. 17 is a top view of step eight of the present invention;

FIG. 18 is a diagram illustrating a ninth step of the present invention;

fig. 19 is a top view of step nine of the present invention;

in the figure, the position of the upper end of the main shaft,

1. the buffer elastic sheet 11, the horizontal end 12, the arc elastic end 13, the inclined transition end 14 and the arc bulge; 2. pushing the plate; 3. a guide plate; 4. a manipulator clamping jaw; 5. a cavity plate; 6. a material belt; 7. and (4) punching.

Detailed Description

In order to make the technical solution of the present invention's purpose, technical solution and advantages clearer, the following description will be combined with the drawings of the specific embodiments of the present invention, to carry out clear and complete description on the technical solution of the embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Possible embodiments within the scope of the invention may have fewer parts, have other parts not shown in the figures, different parts, differently arranged parts or differently connected parts, etc. than the examples shown in the figures. Further, two or more of the components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as a plurality of separate components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. 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.

The utility model provides a transmission pay-off structure with buffering for in the transmission formula deep-drawing technology, the utility model discloses do not restrict the type of transmission pay-off, nevertheless in this transmission pay-off structure specially adapted transmission formula stamping structure's the mould blanking pay-off.

Generally, the utility model provides a transmission pay-off structure with buffering has mainly included buffering shell fragment 1, push pedal 2, deflector 3, manipulator clamping jaw 4 and cavity die board 5. Reference can be made to fig. 1, which shows the arrangement relationship of the buffer spring plate 1, the push plate 2, the guide plate 3, the manipulator clamping jaw 4 and the cavity plate 5.

One end of the buffering elastic sheet 1 is fixed below the concave die plate 5 through a bolt, and the bottom of the end, far away from the concave die plate 5, of the buffering elastic sheet 1 is in bottom contact with the guide plate 3 when no material sheet is conveyed. The buffering shell fragment can be various shapes, only need can be for being located the effect of a holding down pressure of buffering shell fragment below tablet for offset the frictional force between tablet and the deflector, offset the inertia of tablet under the push pedal effort, guarantee the positioning accuracy of tablet, reason on next step the precision of both sides manipulator clamping jaw centre gripping, the orderly of the reciprocal tablet transport process of later stage circulation of being convenient for goes on.

The guide plate 3 is arranged below the cavity plate 5 for supporting the transfer of material sheets. One end of the guide plate is located below the concave template and is in a long strip shape, the other end of the guide plate reaches the material receiving process or has other branch processes, the width of the guide plate is larger than that of the concave template, on one hand, the manipulator is installed on the two longitudinal sides conveniently, on the other hand, the material sheets are prevented from falling outside the concave template, loss is reduced, production efficiency is improved, and quality is guaranteed.

The push plate 2 is arranged on one side, away from the buffering elastic sheet 1, below the concave template 5 and driven by the cylinder to move back and forth between the concave template 5 and the buffering elastic sheet 1, so that the material sheet is pushed to move towards the buffering elastic sheet 1. In use, the push plate is located on the left side below the material belt from the initial position, and then passes through the right side of the material belt gradually under the driving of the flag pole until the material sheet reaches the preset position of the buffering elastic sheet.

The material-loading belt 6 of the cavity plate 5 passes below the punch in sequence along the conveying direction of the die material, and the material sheet is transferred from the upper part of the cavity plate 5 to the guide plate 3 through the downward movement of the punch 7. The die cavity plate and the transverse central axis in the projection direction of the bottom guide plate are overlapped, when the punch punches downwards, the punch can penetrate through the die cutting hole until the upper surface of the bottom guide plate, the material sheet under die cutting is stably conveyed downwards, and meanwhile, the material sheet, the punch and the die cutting hole are coaxial, so that later-stage transmission is facilitated.

The manipulator clamping jaw 4 is arranged on one side of the guide plate 3 close to the buffering elastic sheet 1, clamps the material sheet and conveys the material sheet rightwards. In the conveying process, the clamping jaws on two sides are in a ready state at the beginning, the distance between the clamping jaws is larger than the outer diameter of the material sheet, when the clamping is needed, the clamping jaws are close to the inner part together, and the material sheet is clamped by the mechanical arm to move towards the right side under the action of the servo motor.

Through the transmission pay-off structure that has the buffering that has above-mentioned structure, the feed piece provides an elastic pushing down force at tablet pay-off in-process and increases the frictional force between tablet and the baffle, offsets the inertia of tablet and improves the pay-off positioning accuracy of tablet, reduces the complexity of transmission pay-off structure, utilizes the manipulator clamping jaw to realize the effect to the centre gripping of tablet and transmission, and is stable, effective, simple and convenient, high-efficient.

Preferably, the buffering elastic sheet 1 specifically comprises a horizontal end 11 installed at the bottom of the cavity plate 5 through a bolt, and an inclined transition end 13 connecting the horizontal end 11 and the arc-shaped elastic end 12, and is of a broken line type, so that the elasticity cannot be reduced under the action of ensuring the strength in use.

Preferably, set up right screw hole on the horizontal end 11 of buffering shell fragment 1 and be used for carrying out the bolt fastening with the die board 5 bottom, play the effect to buffering shell fragment 1 increase stability, also convenient to detach, installation and maintenance. Like this, utilize a pair of screw hole, the fixed mounting who will cushion the very laminating of shell fragment horizontally horizontal end can not rock at will in the below of die board, and the holding power at top is also sufficient, has also avoided the tablet to take place in the gliding condition of the effect of deflector and push pedal under.

As mentioned above, the bottom of the curved spring end 12 is provided with a circular arc-shaped protrusion 14. The bottom of the buffering elastic sheet is arc-shaped, and is provided with an arc-shaped bulge for reducing the contact area of the elastic sheet and the material sheet and preventing the elastic sheet from scratching the material sheet.

Preferably, the guide plate 3 is made of nylon.

The guide plate made of nylon is placed below the blanking female die, the upper surface of the guide plate is used for receiving the punched and dropped tablets and then transferring the tablets, and the guide plate made of nylon mainly plays a role in supporting the tablets in the transferring process in order to avoid scratching the tablets in the transferring process; in addition, the material of the guide plate is not limited, and the guide plate can be used as long as the guide plate has a certain damping effect, can offset inertia brought by the push plate and can increase friction force between the guide plate and a material sheet contact surface.

Preferably, the cylinder is provided with a limiting device, and the limit position of the cylinder moving to the right side is the position where the circle center of the material sheet does not exceed the tangent position of the bottom of the buffering elastic sheet 1 and the guide plate 3. The push pedal can remove along long limit direction under the effect of cylinder, in order to prevent that the tablet from leading to the tablet to reach or dashing out the buffering shell fragment because the driving force is too big or the stroke is too big, only when the centre of a circle of tablet reachs the circular-arc least significant end in buffering shell fragment bottom, just can cooperate the position of rear manipulator clamping jaw, improves the precision of transmission.

The utility model discloses do not injecing at the concrete position of transmission formula pay-off structure to the die version, need transmit the position of tablet can, preferred, die plate 5 sets up the most ahead at all stations of blanking deep-drawing structure.

Preferably, the robot gripping jaws 4 are arranged in two pairs along the feeding direction at a distance of a single step of the forward feeding of the pusher plate 2. The utility model discloses in do not do the restriction to the logarithm of clamping jaw, be provided with two pairs at least, can make things convenient for the transmission of a plurality of tablets, nevertheless according to actual conditions and cost accounting, 2-3 are more suitable to the clamping jaw.

In operation, the motion process of the transmission feeding structure is as follows:

1. initial state, with reference to fig. 1-2:

the blanking punch is located at an upper original position, the manipulator is located at a clamping state, the push plate is located at a left limit position, and the buffering elastic piece is in contact with the lower nylon guide plate under the action of self elasticity.

2. Blanking, refer to fig. 4-5:

the blanking punch moves downwards to form a shearing effect with the concave template, the material sheet is separated from the material belt, and the material sheet is pressed on the nylon guide plate by the ejector rod under the action of the spring ejector rod in the punch after separation.

3. Blanking return, refer to fig. 6-7:

and after the blanking is finished, the elastic push rod of the blanking punch returns to separate from the material sheet.

4. Push plate and robot feed, see figures 8-9:

the push pedal is under the cylinder effect, and the manipulator is right side motion under servo transmission, and the clamping jaw is idle stroke when the first pay-off, and the push pedal promotes the tablet and moves the contact buffering shell fragment to the right side.

5. Push pedal and manipulator pay-off all are located, and the shell fragment cushions, refer to fig. 10-11:

the push plate continues to push the material sheet to the right side, the material sheet enters the lower portion of the elastic sheet, the elastic sheet provides downward pressure for the material sheet and moves to the right side under the action of the nylon guide plate, and when the push plate reaches the right side continuing position, the material sheet stops at the right side limit position under the action of friction force of the guide plate.

6. The strip feeding robot is opened, refer to fig. 12-13:

the material belt feeds forward by a single step pitch to prepare for next blanking, and the mechanical arms loosen the mechanical arms on the two sides to move towards the two sides.

7. Pusher plate and robot return, with reference to figures 14-15:

the push plate returns to the left side limit position under the action of the air cylinder, and the manipulator returns to the left side initial position under the action of the servo.

8. Blanking again and robot gripping, refer to fig. 16-17:

the blanking punch repeats the blanking action, and the manipulator clamps the material sheet under the elastic sheet under the servo action

9. The pusher plate is fed together with the robot, with reference to figures 18-19:

after the blanking punch returns, the push plate pushes the blanked material piece again, the clamping jaw clamps the material piece to move towards the right side and reach the limit position of the right side, the material piece is circularly and repeatedly transmitted, and the cylinder can be selected to be started for feeding after servo feeding is in place due to the fact that the speed of the cylinder cannot be controlled, and the situation of interference caused by uncontrollable speed of the cylinder is avoided.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Those skilled in the art can modify and/or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims (7)

1. A delivery feeding structure with buffering is characterized by comprising a buffering elastic sheet (1), a push plate (2), a guide plate (3), a manipulator clamping jaw (4) and a concave template (5),

one end of the buffering elastic sheet (1) is fixed below the cavity plate (5) through a bolt, and the bottom of one end, far away from the cavity plate (5), of the buffering elastic sheet (1) is in bottom contact with the guide plate (3) when no material sheet is conveyed;

the guide plate (3) is arranged below the concave template (5) and used for supporting the transmission of the material sheets;

the push plate (2) is arranged on one side, away from the buffering elastic sheet (1), below the concave template (5) and driven by the cylinder to move back and forth between the concave template (5) and the buffering elastic sheet (1) to push the material sheet to move towards the buffering elastic sheet (1);

the feeding belt (6) of the concave die plate (5) sequentially passes through the lower part of the punch along the die material conveying direction, and the punch (7) descends to transfer the material sheet to the guide plate (3) from the upper part of the concave die plate (5);

the manipulator clamping jaw (4) is arranged on one side, close to the buffering elastic sheet (1), of the guide plate (3), clamps the material sheet and conveys the material sheet rightwards.

2. The buffered transfer feed structure of claim 1, wherein: the buffering elastic sheet (1) comprises a horizontal end (11) which is arranged at the bottom of the concave template (5) through a bolt, and an inclined transition end (13) which is connected with the horizontal end (11) and the arc elastic end (12);

set up right screw hole on horizontal end (11) of buffering shell fragment (1) and be used for carrying out the bolt fastening with die board (5) bottom, play the effect to buffering shell fragment (1) increase stability, also convenient to detach, installation and maintenance.

3. The buffered transfer feed structure of claim 2, wherein: and the bottom of the arc elastic end (12) is provided with an arc-shaped bulge (14).

4. The buffered transfer feed structure of claim 3, wherein: the guide plate (3) is made of nylon.

5. The buffered transfer feed structure of claim 4, wherein: the cylinder is provided with a limiting device, and the limiting position of the cylinder moving to the right side is the position where the circle center of the material sheet does not exceed the tangent position of the bottom of the buffering elastic sheet (1) and the guide plate (3).

6. The buffered transfer feed structure of claim 5, wherein: the concave die plate (5) is arranged at the forefront of all stations of the blanking deep drawing structure.

7. The buffered transfer feed structure of claim 6, wherein: the manipulator clamping jaws (4) are provided with two pairs along the feeding direction by taking the single step distance of the forward feeding of the push plate (2) as a distance.

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