CN212096665U

CN212096665U - Punching die for rhombic geogrid

Info

Publication number: CN212096665U
Application number: CN202020538603.8U
Authority: CN
Inventors: 孙响
Original assignee: Anping Lituo Metal Mesh Product Co ltd
Current assignee: Anping Lituo Metal Mesh Product Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-08
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a punching die that rhombus geogrid was used belongs to drilling equipment technical field, including being used for bearing wait to punch the panel and have the die base that punches a hole, erect in die base top and have the terrace die base of lift degree of freedom and fix the die cutter unit on terrace die base with the help of elevating system, the key lies in: the punching unit comprises at least one punching knife array, each punching knife array comprises at least one punching knife group, all punching knives of the same punching knife group are arranged along the left-right direction, an included angle alpha between a connecting line of central points of two adjacent punching knives and the advancing direction of a plate to be punched is an acute angle, and the punching holes and the punching knives are arranged in a one-to-one correspondence mode along the vertical direction. After the punching die is used for punching the plate to be punched, the geogrid with rhombic meshes can be obtained by stretching the plate, and the punching die is simple in structure and convenient to operate.

Description

Punching die for rhombic geogrid

Technical Field

The utility model belongs to the technical field of drilling equipment, a punching die that geogrid was used is related to, especially a punching die that rhombus geogrid was used.

Background

The geogrid is widely applied to engineering construction such as roadbeds, dams, revetments and poultry cultivation, and can play a role in protecting the roadbeds and the revetments and preventing water and soil loss. The mesh of the geogrid that current mould of punching processed is generally all to be the matrix arrangement, and the stress point of every horizontal muscle of this kind of grid and the stress point of every vertical muscle are all on a straight line, if a node fracture in the use, just probably lead to the whole tearing of line that this node belongs to, so this geogrid's tensile strength is not high, can not satisfy user's user demand well, consequently need a production mesh be the mould of punching of rhombus geogrid urgently.

Disclosure of Invention

The utility model discloses an overcome prior art's defect, designed a punching die that rhombus geogrid was used, treat the panel that punches and punch the operation back, tensile panel can obtain the mesh be the geogrid of rhombus, simple structure, convenient operation.

The utility model adopts the following specific technical proposal: the utility model provides a punching die that rhombus geogrid was used, includes the die base that is used for bearing the board of waiting to punch and has punched a hole, erects in die base top and has the terrace die base of lift degree of freedom with the help of elevating system and fixes the die cutter unit on terrace die base, and the key lies in: the punching unit comprises at least one punching knife array, each punching knife array comprises at least one punching knife group, all punching knives of the same punching knife group are arranged along the left-right direction, an included angle alpha between a connecting line of central points of two adjacent punching knives and the advancing direction of a plate to be punched is an acute angle, and the punching holes and the punching knives are arranged in a one-to-one correspondence mode along the vertical direction.

At least two punching cutter arrays are fixed on the male die base, and all the punching cutter arrays are arranged along the left-right direction.

And the punch fixing plate is fixed on the punch base, each punch unit comprises two punch arrays, and the two punch arrays of the same punch unit are arranged on the same punch fixing plate along the left-right direction.

60°＜α＜90°。

Each stamping knife array comprises at least two stamping knife groups, all the stamping knife groups are arranged in the front-back direction, the distance d1 between every two adjacent stamping knives in the same stamping knife group is 6.0-6.5mm, and the distance d2 between every two adjacent stamping knives is 5.5-6.0 mm.

The central points of all the punching knives of the same punching knife group are on the same straight line.

A positioning column is fixed below the male die base, a stop block protruding outwards is arranged at the bottom of the positioning column, a pressing plate used for pressing a plate to be punched is additionally arranged, the pressing plate is sleeved on the positioning column and located above the stop block, the pressing plate and the positioning column form sliding fit, and a through hole is formed in the position, corresponding to the punching knife, of the pressing plate.

The punching die further comprises a female die support fixed below the female die base, guide pillars vertically arranged are fixed on the left side and the right side of the female die support, a male die support is fixed on the periphery of the male die base, and the male die support is sleeved on the guide pillars and forms sliding fit with the guide pillars.

The guide post is sleeved with a spring, and the spring is positioned between the male die support and the female die support.

The cross sections of the punching knife and the punching hole have the same shape and are square, circular, regular triangular, rhombic or regular polygonal.

The utility model has the advantages that: the method comprises the following steps of dividing a punching cutter unit into at least one punching cutter array, dividing each punching cutter array into at least one punching cutter group, arranging all punching cutters of the same punching cutter group in the left-right direction, wherein an included angle alpha between a central point connecting line of every two adjacent punching cutters and the advancing direction of a plate to be punched is an acute angle, punching the plate to be punched by utilizing the punching cutter groups in the arrangement mode, and then stretching the plate to obtain the geogrid with rhombic meshes.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a bottom view of the convex mold base of the present invention.

Fig. 3 is a top view of the base of the female mold of the present invention.

Fig. 4 is a schematic structural view of one die cutter array in fig. 2.

Fig. 5 is a schematic view of another arrangement of the punching blade sets.

In the attached drawings, 1 represents punching, 2 represents a female die base, 3 represents a male die base, 3-1 represents a punching knife array, 3-2 represents a punching knife group, 4 represents a punching knife, 5 represents a positioning column, 6 represents a pressing plate, 7 represents a female die support, 8 represents a guide column, 9 represents a male die support, 10 represents a spring, and 11 represents a limiting block.

Detailed Description

The present invention will be described in detail with reference to the following drawings and specific embodiments:

in a specific embodiment, as shown in fig. 1, 2, 3, and 4, a punching die for a rhombic geogrid includes a female die base 2 for bearing a plate to be punched and having a punched hole 1, a male die base 3 erected above the female die base 2 and having a lifting degree of freedom by means of a lifting mechanism, and a punching blade unit fixed on the male die base 3, where the punching blade unit includes at least one punching blade array 3-1, each punching blade array 3-1 includes at least one punching blade group 3-2, all punching blades 4 of the same punching blade group 3-2 are arranged in a left-right direction, an included angle α between a connecting line of central points of two adjacent punching blades 4 and an advancing direction of the plate to be punched is an acute angle, and the punching holes 1 and the punching blades 4 are arranged in a one-to-one correspondence along a vertical direction. 60 DEG < alpha < 90 DEG and preferably 75 DEG as shown in FIG. 4, each die cutter array 3-1 comprises at least two die cutter groups 3-2, all the die cutter groups 3-2 are arranged in the front-rear direction, the distance d1 between two adjacent die cutters 4 in the same die cutter group 3-2 is 6.0-6.5mm and preferably 6.1mm, and the distance d2 between two adjacent die cutters 4 in the front-rear direction is 5.5-6.0mm and preferably 5.9 mm.

The cross section shapes of the punching knife 4 and the punching hole 1 are the same and are square, circular, regular triangular, rhombic or regular polygonal, so that a user can select the shapes of the punching knife 4 and the punching hole 1 according to the actual requirements of the user, and the use requirements of different users can be better met.

As a further improvement of the utility model, at least two punching knife arrays 3-1 are fixed on the terrace die base 3, and all the punching knife arrays 3-1 are arranged along the left and right direction. As shown in fig. 2, eight die cutter arrays 3-1 are arranged in order in the left-right direction. If eight punching blade arrays 3-1 are arranged in a straight line, as shown in fig. 5, the length of the die base 3 in the front-back direction in fig. 5 (i.e., the length of the die base 3 in the up-down direction in fig. 5) is significantly greater than the length of the die base 3 in the front-back direction in fig. 2 (i.e., the length of the die base 3 in the up-down direction in fig. 2), and the length of the die base 3 in the left-right direction in fig. 2 is equal to the length of the die base 3 in the left-right direction in fig. 5, so that, when the length of the die base 3 in the left-right direction is constant, in order to shorten the length of the die base 3 in the front-back direction, the utility model discloses arrange all the punching blade arrays 3-1.

As a further improvement of the utility model, the punch base 3 is fixed with a punch fixing plate, each punch unit comprises two punch arrays 3-1, and the two punch arrays 3-1 of the same punch unit are arranged on the same punch fixing plate along the left and right directions. Can set the mould that punches to multiple model, the quantity of the die cutter fixed plate that every model corresponds is different, can satisfy the demand of punching a hole of waiting to punch a hole panel of different width like this, satisfies different users' user demand better.

As a further improvement, the central points of all the punching knives 4 of the same punching knife group 3-2 are on the same straight line, the whole arrangement is more regular and neat, and the manufacture is convenient.

As right the utility model discloses a further improvement is fixed with reference column 5 below terrace die base 3, and the bottom of reference column 5 is provided with the dog to the outside arch, adds and is used for compressing tightly the clamp plate 6 of waiting to punch the panel, and clamp plate 6 suit just is located the dog top on reference column 5, and clamp plate 6 forms sliding fit with reference column 5, and the via hole has been seted up with the corresponding position of die cutter 4 on the clamp plate 6. In the descending process of the male die base 3, the pressing plate 6 is firstly contacted with a plate to be punched placed on the female die base 2, due to the blocking effect of the plate to be punched, the pressing plate 6 stops moving downwards, the plate to be punched is tightly pressed on the female die base 2, the male die base 3 continues moving downwards, the punching knife 4 penetrates through the plate to be punched and is inserted into the punching hole 1, the male die base 3 descends to a set position and then moves reversely, the male die base 3 ascends, and after a stop dog at the bottom of the male die base 3 is contacted with the lower end face of the pressing plate 6, the pressing plate 6 is driven to move upwards together to return to the initial position, so far, the punching process is finished. Utilize clamp plate 6 to punch again after will waiting to punch panel compresses tightly, can prevent to wait to punch panel and take place the skew and influence the effect of punching, can improve product quality.

As right the utility model discloses a further improvement, the mould that punches still includes the die holder 7 of fixing in die base 2 below, all is fixed with the guide pillar 8 of vertical setting in the left and right sides of die holder 7, is fixed with terrace die support 9 in terrace die base 3's periphery, and terrace die support 9 suit forms sliding fit on guide pillar 8 and with guide pillar 8. The male die support 9 moves up and down along the guide pillar 8, so that the male die support 9 can be effectively prevented from deviating, and the operation process is more stable and reliable.

The guide pillar 8 is sleeved with a spring 10, the spring 10 is located between the male die support 9 and the female die support 7, and the spring 10 can play a buffering role, so that the male die support 9 is more stable and reliable in the lifting process. A limiting block 11 is fixed at the upper end of the guide pillar 8, and the male die support 9 is located between the limiting block 11 and the female die support 7, so that the male die support 9 can be prevented from slipping off the guide pillar 8, and the safety and the reliability are higher.

When the utility model is used specifically, the shape of the punched hole 1 is selected according to the requirement, when the punched hole 1 is square, the side length of the square hole is 2.5-3.5mm and is preferably 3.0 mm; when the punched hole 1 is circular, the diameter of the circular hole is 3.0-4.0mm, and preferably 3.4 mm; when the punched hole 1 is in a regular triangle shape, the side length of the regular triangle hole is 2.5-3.5mm, and preferably 3.0 mm; when the punched hole 1 is rhombic, the side length of the rhombic hole is 2.5-3.5mm and preferably 2.8mm, and the diagonal length is 4.5-5.5mm and preferably 4.8 mm; when the punched hole 1 is a regular pentagon, the side length of the regular pentagon hole is 2.5-3.5mm, and preferably 2.8 mm; when the side length is a regular hexagon, the side length of the regular hexagon is 2.5-3.5mm, and preferably 2.8 mm; when the punched hole 1 is a regular octagon, the side length of the regular octagon hole is 2.5-3.5mm, and preferably 2.8 mm.

The die base 2 comprises a scrap receiving box and a lower template, wherein the scrap receiving box is detachably and fixedly connected with a die support 7, the lower template is erected above the scrap receiving box, the lower template is detachably and fixedly connected with the scrap receiving box, punching holes 1 which are arranged in one-to-one correspondence with the punching cutters 4 are formed in the lower template, scraps generated in the punching process directly fall into the scrap receiving box, the scrap receiving box can be cleaned regularly, the pollution to the surrounding environment can be reduced, and the surrounding environment is clean and sanitary.

As shown in fig. 1 and 2, four die cutter fixing plates are arranged on the punch base 3 along the left-right direction, each die cutter fixing plate is provided with a left die cutter array and a right die cutter array, each die cutter array comprises four die cutter groups arranged along the front-back direction, the central point connecting lines of all the die cutters 4 of the same die cutter group are arranged on the same straight line, the right end of the straight line is inclined forwards, and the included angle alpha between the straight line and the advancing direction of the plate to be punched is 75 degrees, as shown in fig. 4, the central points of all the die cutters 4 of two adjacent die cutter groups are connected together to form a parallelogram, and the central point connecting line of two adjacent die cutters 4 is the same as the advancing direction of the plate to be punched.

When punching, elevating system drives terrace die base 3 and descends, in this process, clamp plate 6 earlier with place the panel contact of waiting to punch on die base 2 and stop the downstream, will wait that the panel that punches compresses tightly on die base 2, terrace die base 3 then continues the downstream, make die cutter 4 pass and wait to punch the panel and insert 1 in punching a hole, terrace die base 3 descends to the position setting after, elevating system drives terrace die base 3 and rises, after the dog of terrace die base 3 bottom contacts with the terminal surface under the clamp plate 6, drive clamp plate 6 upward movement together, get back to the initial position, up to this moment accomplish a process of punching promptly. Then, the plate to be punched advances, the lifting mechanism drives the male die base 3 to descend for secondary punching, and the steps are repeated.

The connecting line of the central points of the front and the rear adjacent punching knives of the existing punching die is parallel to the advancing direction of the plate to be punched, and the connecting line of the central points of the left and the right adjacent punching knives is perpendicular to the advancing direction of the plate to be punched (namely, the included angle alpha is 90 degrees), so that the rhombic meshes can not be obtained no matter how the plate punched by the punching die is stretched. The applicant has researched through the repeated research, the utility model discloses a mould punches utilizes the utility model discloses a mould punches the completion back, stretches to panel again and can obtain the mesh for the rhombus, tensile strength is 26-30 kN/m's geogrid, and the length of side of rhombus mesh is 20-40mm, simple structure, convenient operation.

Claims

1. The utility model provides a punching die that rhombus geogrid was used, includes die base (2) that are used for bearing the panel of waiting to punch and have (1) punch a hole, erects terrace die base (3) that just has the lift degree of freedom with the help of elevating system in die base (2) top and fixes the punching knife unit on terrace die base (3), its characterized in that: the punching knife unit comprises at least one punching knife array (3-1), each punching knife array (3-1) comprises at least one punching knife group (3-2), all punching knives (4) of the same punching knife group (3-2) are arranged along the left-right direction, an included angle alpha between a central point connecting line of two adjacent punching knives (4) and the advancing direction of a plate to be punched is an acute angle, and the punching holes (1) and the punching knives (4) are arranged in a one-to-one correspondence mode along the vertical direction.

2. The perforating die for the rhombic geogrid as recited in claim 1, wherein: at least two punching tool arrays (3-1) are fixed on the male die base (3), and all the punching tool arrays (3-1) are arranged along the left-right direction.

3. The perforating die for the rhombic geogrid as recited in claim 1, wherein: the punch base (3) is fixed with a punch fixing plate, each punch unit comprises two punch arrays (3-1), and the two punch arrays (3-1) of the same punch unit are arranged on the same punch fixing plate along the left-right direction.

4. The perforating die for the rhombic geogrid as recited in claim 1, wherein: alpha is more than 60 degrees and less than 90 degrees.

5. The perforating die for the rhombic geogrid as recited in claim 1, wherein: each stamping knife array (3-1) comprises at least two stamping knife groups (3-2), all the stamping knife groups (3-2) are arranged in the front-back direction, the distance d1 between two adjacent stamping knives (4) in the same stamping knife group (3-2) is 6.0-6.5mm, and the distance d2 between two adjacent stamping knives (4) in the front-back direction is 5.5-6.0 mm.

6. The perforating die for the rhombic geogrid as recited in claim 1, wherein: the central points of all the stamping knives (4) of the same stamping knife group (3-2) are on the same straight line.

7. The perforating die for the rhombic geogrid as recited in claim 1, wherein: a positioning column (5) is fixed below the male die base (3), a stop block protruding towards the outside is arranged at the bottom of the positioning column (5), a pressing plate (6) used for pressing a plate to be punched is additionally arranged, the pressing plate (6) is sleeved on the positioning column (5) and located above the stop block, the pressing plate (6) and the positioning column (5) form sliding fit, and a through hole is formed in the position, corresponding to the punching knife (4), on the pressing plate (6).

8. The perforating die for the rhombic geogrid as recited in claim 1, wherein: the punching die further comprises a female die support (7) fixed below the female die base (2), guide pillars (8) vertically arranged are fixed on the left side and the right side of the female die support (7), a male die support (9) is fixed on the periphery of the male die base (3), and the male die support (9) is sleeved on the guide pillars (8) and forms sliding fit with the guide pillars (8).

9. The perforating die for the rhombic geogrid as recited in claim 7, wherein: the guide post (8) is sleeved with a spring (10), and the spring (10) is positioned between the male die support (9) and the female die support (7).

10. The perforating die for the rhombic geogrid as recited in claim 1, wherein: the cross sections of the punching knife (4) and the punching hole (1) are the same in shape and are square, circular, regular triangular, rhombic or regular polygonal.