CN212634094U

CN212634094U - Strip material in-mold pulling and feeding mechanism

Info

Publication number: CN212634094U
Application number: CN202020981616.2U
Authority: CN
Inventors: 赵冬; 杨金健; 胡晋波; 王�华; 王希亮; 庄严; 白垣胜
Original assignee: Chengdu Homin Technology Co Ltd
Current assignee: Chengdu Homin Technology Co Ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-03-02
Anticipated expiration: 2030-06-02

Abstract

The utility model provides a take material mould internal tension feeding mechanism includes upper die base and die holder, the die holder is provided with the chute feeder that is used for supplying the area material to carry, be provided with at least one in the chute feeder and be used for transporting the material mechanism that draws of area material forward, draw the material mechanism including setting up on the die holder and along the first guide way that the fore-and-aft direction extends, can follow the material piece that draws that the fore-and-aft direction slidely installed in first guide way, set up in the second guide way that the lateral wall just extends along the vertical direction behind the first guide way, can follow the drive plate that the vertical direction goes up and down to install in the second guide way, the spring will draw the material piece to press the rear surface of covering at the drive plate, the upper end and the upper die base fixed connection of drive plate, the trailing flank of drive plate has the depressed part that the direction from top to bottom set. The utility model discloses simple structure, convenience safe in utilization, the frequency of motion is unanimous with area material processing frequency, can be suitable for the pay-off that upgrades of arbitrary material thickness.

Description

Strip material in-mold pulling and feeding mechanism

Technical Field

The utility model relates to a take material mould internal tension feeding mechanism belongs to stamping die technical field.

Background

At present, most of feeding devices applied to stamping dies adopt pneumatic feeders for pushing, and the defects are mainly concentrated and reflected in that the step pitch of workpieces is large and cannot be accurately controlled; due to uncertainty of pneumatic operation, inaccurate feeding and unstable feeding are caused. Meanwhile, the traditional feeder cannot meet the requirements of thin product materials and low rigidity.

With the rapid development of the electronic industry, various electronic products are developing in the direction of high precision, multifunction, small volume and low cost. The processing precision requirement of the corresponding stamping die is higher and higher along with the trend of light, thin, short and small products.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take material mould internal tension feeding mechanism to solve the technical problem that the current conveyor who provides is difficult to accurate control, inadaptation newspaper product in the above-mentioned background art at least.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the lower die base is provided with a feed chute for conveying the belt material, at least one material pulling mechanism for forwards conveying the belt material is arranged in the feed chute, the conveying direction of the belt material in the feed chute is taken as the front direction, the material pulling mechanism comprises a first guide groove, a material pulling block, a second guide groove and a drive plate, the first guide groove is arranged on the lower die base and extends along the front-back direction, the material pulling block can be slidably arranged in the first guide groove along the front-back direction, the second guide groove is arranged on the rear side wall of the first guide groove and extends along the vertical direction, the drive plate can be arranged in the second guide groove in a lifting mode along the vertical direction, a spring is arranged on the front side wall of the first guide groove and used for pressing the material pulling block on the rear surface of the drive plate, the upper end of the drive plate is fixedly connected with the upper die base, and a concave part, a concave part and a concave part are sequentially arranged on the rear side surface of the drive, Inclined plane connecting portion and bellying, inclined plane connecting portion are used for connecting depressed part and bellying, when the upper die base moved to lower extreme position, draw the material piece to support and press in the depressed part, when the upper die base moved to supreme extreme position, draw the material piece to support and press in the bellying, draw the upper surface of the part that the material piece is located the chute feeder and the bottom surface parallel and level of chute, and draw the upper surface of the part that the material piece is located the chute feeder to be provided with the arch of outstanding this part upper surface.

The feeding process of the material pulling and feeding mechanism in the strip die is as follows:

when the upper die base moves to the lower extreme position, draw the material piece to support and press in the depressed part, this moment the arch just penetrate the mating holes of area material from the lower part, the area material go up the interval be provided with protruding matched with mating holes, the mating holes can be blind hole or through-hole, when the upper die base upward movement, the inclined plane connecting portion of drive plate promotes and draws the material piece level to move forward, draw the material piece to drive the area material through the arch and move forward, when the upper die base moved to the extreme position, draw the material piece to support and press in the raised part, accomplish a pay-off action, the area material is carried a station forward.

Preferably, the lower die holder is provided with a strip positioning device for pressing or lifting a strip, when the pulling block abuts against the protruding portion, after a feeding action is completed, the strip position is fixed by the strip positioning device, then a punching action is started, in the falling process of the driving plate, the pulling block finally abuts against the recessed portion from the protruding portion through the inclined plane connecting portion under the action of the spring and returns to the initial position, after the punching action is completed, the strip positioning device cancels the fixation of the strip, and when the upper die holder moves upwards, the next feeding action is performed.

Preferably, the concave part and the convex part are vertical surfaces extending along the left-right direction, and the inclined surface connecting part is an inclined surface extending along the left-right direction.

Preferably, the rear side wall of the first guide groove is provided with a mounting hole for mounting a spring, one end of the spring abuts against the end face of the mounting hole, and the other end of the spring abuts against the pulling block.

Preferably, the front end face of the pulling block is provided with a roller which is rotatably arranged at the front end of the pulling block through a rotating shaft, the axis of the rotating shaft extends along the left-right direction, and the cylindrical surface of the roller is pressed against the rear side face of the driving plate.

Preferably, the middle part of the rear surface of the pulling block is provided with a through groove which penetrates through the pulling block along the vertical direction, the roller is arranged in the through groove, and the width of the through groove is matched with the width of the driving plate in the left direction, so that the driving plate can be accommodated in the through groove.

Preferably, the first guide groove is a groove body with an upper opening, and a baffle plate for limiting the pulling block in the first guide groove is arranged on the upper part of the first guide groove. Optionally, the baffle is provided with a yielding hole for the driving plate to pass through.

Preferably, the arch set up in the upper end of ejector pin, the lower part of ejector pin is provided with the limiting plate, draw the top surface of material piece on be provided with the perpendicular mounting hole that supplies the ejector pin freely to go up and down, the bottom of perpendicular mounting hole is provided with the spring, spring one end is supported and is pressed in the bottom surface of perpendicular mounting hole, the other end is supported and is pressed in the ejector pin, the upper portion fixed mounting of mounting hole has the apron of spacing the ejector pin in the mounting hole, be provided with the perpendicular through-hole that supplies the part that the ejector pin is located limiting plate upper portion to penetrate on the apron, the arch is worn out. The structure enables the ejector rod to compress the spring when being pressed (for example, being pressed by a fixed belt material), so that the protrusion is contracted into the vertical mounting hole, and the pulling block is convenient to reset.

Preferably, two material pulling mechanisms are arranged in the feeding groove. Two material pulling mechanisms are respectively arranged at two sides inside the feeding groove.

The utility model has the advantages that:

the utility model discloses simple structure, convenience safe in utilization convert the up-and-down motion of mould into horizontal reciprocating motion, and the frequency of motion is unanimous with area material processing frequency, realizes upgrading the pay-off in step to stepping on stamping equipment.

The progressive feeding device can be suitable for progressive feeding of any material thickness, particularly can meet the requirement of realizing the progressive feeding of thin materials by utilizing the existing feeder, and can be stably produced under the condition of higher stamping speed.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a belt material in-mold pulling and feeding mechanism of the present invention;

FIG. 2 is a schematic structural view of the present invention with the baffle removed;

FIG. 3 is a schematic cross-sectional view of the structure of the driving plate and the pulling block;

FIG. 4 is a schematic view of the feeding operation process of the present invention;

FIG. 5 is a schematic view of the installation structure of the protrusion of the present invention;

fig. 6 is a schematic view of the structure of the utility model in use.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, which are provided for the purpose of giving a thorough understanding of the present disclosure.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the present invention, which is for purposes of illustration only and is not intended to be in the sole embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1-3 and fig. 6, the present invention provides a technical solution: a belt material in-mold pulling and feeding mechanism comprises an upper mold base 1 and a lower mold base 2, wherein the lower mold base 2 is provided with a feeding groove 3 for conveying belt materials, at least one pulling mechanism for conveying the belt materials forwards is arranged in the feeding groove 3, the conveying direction of the belt materials in the feeding groove 3 is taken as the front, the pulling mechanism comprises a first guide groove 4 which is arranged on the lower mold base 2 and extends along the front-back direction, a pulling block 5 which can be slidably arranged in the first guide groove 4 along the front-back direction, a second guide groove 6 which is arranged on the rear side wall of the first guide groove 4 and extends along the vertical direction, and a spring 8 which can be arranged in the second guide groove 6 in a lifting manner along the vertical direction, the front side wall of the first guide groove 4 is provided with the spring 8 for pressing the pulling block 5 on the rear surface of a driving plate 7, and the upper end of the driving plate 7 is fixedly connected with the upper mold base 1, the rear side face of the driving plate 7 is provided with a concave part 8, an inclined plane connecting part 10 and a convex part 11 which are sequentially arranged from top to bottom, the inclined plane connecting part 10 is used for connecting the concave part 8 and the convex part 11, when the upper die holder 1 moves to a lower limit position, the pulling block 5 is pressed against the concave part 8, when the upper die holder 1 moves to the upper limit position, the pulling block 5 is pressed against the convex part 11, the upper surface of the part, located in the feeding groove 3, of the pulling block 5 is flush with the bottom surface of the feeding groove 3, and the upper surface of the part, located in the feeding groove 3, of the pulling block 5 is provided with a protrusion 12 protruding out of the upper surface of the part.

as shown in fig. 4, when the upper die holder 1 moves to the lower limit position, the pulling block 5 abuts against the concave part 8, at this time, the protrusion 12 just penetrates into the matching hole of the strip from the lower part, the matching hole matched with the protrusion 12 is arranged on the strip at intervals, the matching hole can be a blind hole or a through hole, when the upper die holder 1 moves upwards, the inclined plane connecting part 10 of the driving plate 7 pushes the pulling block 5 to move forwards horizontally, the pulling block 5 drives the strip to move forwards through the protrusion 12, when the upper die holder 1 moves to the upper limit position, the pulling block 5 abuts against the convex part 11 to complete a feeding action, and the strip is conveyed forwards to a station.

Preferably, the lower die holder 2 is provided with a strip positioning device for pressing or lifting a strip, when the pulling block 5 abuts against the protruding portion 11, after a feeding action is completed, the strip positioning device fixes the position of the strip, then a punching action is started, during the falling of the driving plate 7, the pulling block 5 finally abuts against the recessed portion 8 from the protruding portion 11 through the inclined plane connecting portion 10 under the action of the spring 8 and returns to the initial position, after the punching action is completed, the strip positioning device cancels the fixation of the strip, and the next feeding action is performed while the upper die holder 1 moves upward.

Preferably, the concave portion 8 and the convex portion 11 are vertical surfaces extending in the left-right direction, and the inclined surface connecting portion 10 is an inclined surface extending in the left-right direction.

Preferably, the rear side wall of the first guide groove 4 is provided with a mounting hole for mounting a spring, one end of the spring abuts against the end face of the mounting hole, and the other end of the spring abuts against the material pulling block 5.

Preferably, the front end surface of the pulling block 5 is provided with a roller 13 rotatably mounted at the front end of the pulling block 5 through a rotating shaft, the axis of the rotating shaft extends in the left-right direction, and the cylindrical surface of the roller 13 abuts against the rear side surface of the driving plate 7.

Preferably, a through groove penetrating through the pulling block 5 along the vertical direction is formed in the middle of the rear surface of the pulling block 5, the roller 13 is installed in the through groove, and the width of the through groove is matched with the width of the driving plate 7 in the left direction, so that the driving plate 7 can be accommodated in the through groove.

Preferably, the first guide groove 4 is a groove body with an upper opening, and a baffle 14 for limiting the pulling block 5 in the first guide groove 4 is arranged at the upper part of the first guide groove 4. Optionally, the baffle plate 14 is provided with a yielding hole for the driving plate 7 to pass through.

Preferably, as shown in fig. 5, the protrusion 12 is disposed at the upper end of the ejector rod 15, a limiting plate 16 is disposed at the lower portion of the ejector rod 15, a vertical mounting hole for the ejector rod 15 to freely lift is disposed on the top surface of the material pulling block 5, a spring 17 is disposed at the bottom of the vertical mounting hole, one end of the spring 17 abuts against the bottom surface of the vertical mounting hole, the other end of the spring 17 abuts against the ejector rod 15, a cover plate 18 for limiting the ejector rod 15 in the mounting hole is fixedly mounted at the upper portion of the mounting hole, a vertical through hole for allowing the part of the ejector rod 15 located at the upper portion of the limiting plate 16 to penetrate is disposed on the cover plate 18, and the protrusion. This arrangement allows the plunger 15 to compress the spring 17 when pressed (e.g., by a fixed strap) to retract the projection 12 into the vertical mounting hole, facilitating the return of the puller block 5. Preferably, the protrusion 12 is a protrusion with an arc-shaped outer surface.

Preferably, two material pulling mechanisms are arranged in the feeding groove 3. Two material pulling mechanisms are respectively arranged at two sides inside the feeding groove 3.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

Claims

1. The utility model provides a take material mould internal tension feeding mechanism which characterized in that: the belt material drawing mechanism comprises a first guide groove, a drawing block, a second guide groove and a driving plate, wherein the first guide groove is arranged on the lower die base and extends along the front-back direction, the drawing block can be installed in the first guide groove in a sliding mode along the front-back direction, the second guide groove is arranged on the rear side wall of the first guide groove and extends along the vertical direction, the driving plate can be installed in the second guide groove in a lifting mode along the vertical direction, a spring is installed on the front side wall of the first guide groove and used for pressing the drawing block on the rear surface of the driving plate, the upper end of the driving plate is fixedly connected with the upper die base, a concave part, an inclined plane connecting part and a convex part are sequentially arranged on the rear side surface of the driving plate along the upper-lower direction, the inclined plane connecting portion is used for connecting depressed part and bellying, when the upper die base moved to lower extreme position, draws the material piece to support and presses in the depressed part, when the upper die base moved to last extreme position, draws the material piece to support and presses in the bellying, draws the upper surface of the part that the material piece is located the chute feeder and the bottom surface parallel and level of chute feeder, and draws the upper surface of the part that the material piece is located the chute feeder to be provided with the arch of outstanding this part upper surface.

2. The strip in-mold feeding mechanism according to claim 1, wherein: the concave part and the convex part are vertical surfaces extending along the left-right direction, and the inclined surface connecting part is an inclined surface extending along the left-right direction.

3. The strip in-mold feeding mechanism according to claim 1, wherein: the rear side wall of the first guide groove is provided with a mounting hole for mounting a spring, one end of the spring is pressed against the end face of the mounting hole, and the other end of the spring is pressed against the pulling block.

4. The strip in-mold feeding mechanism according to claim 1, wherein: the front end face of the pulling block is provided with a roller which is rotatably arranged at the front end of the pulling block through a rotating shaft, the axis of the rotating shaft extends along the left-right direction, and the cylindrical surface of the roller is pressed against the rear side surface of the driving plate.

5. The strip in-mold feeding mechanism of claim 4, wherein: the middle part of the rear surface of the pulling block is provided with a through groove which penetrates through the pulling block along the vertical direction, the roller is arranged in the through groove, and the width of the through groove is matched with the width of the driving plate in the left direction.

6. The strip in-mold feeding mechanism according to claim 1, wherein: the first guide groove is a groove body with an upper opening, and a baffle plate which limits the pulling block in the first guide groove is arranged on the upper portion of the first guide groove.

7. The strip in-mold feeding mechanism of claim 6, wherein: the baffle on be provided with the hole of stepping down that supplies the drive plate to pass.

8. The strip in-mold feeding mechanism according to claim 1, wherein: the arch set up in the upper end of ejector pin, the lower part of ejector pin is provided with the limiting plate, draw the top surface of material piece on be provided with the perpendicular mounting hole that supplies the ejector pin freely to go up and down, the bottom of perpendicular mounting hole is provided with the spring, spring one end is supported and is pressed in the bottom surface of perpendicular mounting hole, the other end is supported and is pressed in the ejector pin, the upper portion fixed mounting of mounting hole has the apron of spacing the ejector pin in the mounting hole, be provided with the perpendicular through-hole that supplies the part that the ejector pin is located limiting plate upper portion to penetrate on the apron, the arch is worn.

9. The strip in-mold feeding mechanism according to claim 1, wherein: the feeding groove is internally provided with two material pulling mechanisms which are respectively arranged at two sides inside the feeding groove.

10. The strip in-mold feeding mechanism according to claim 1, wherein: and the lower die base is provided with a belt material positioning device for pressing or lifting the belt material.