CN210412199U

CN210412199U - Stamping die lower mould floating plate limiting mechanism

Info

Publication number: CN210412199U
Application number: CN201921138419.8U
Authority: CN
Inventors: 丁文斌
Original assignee: Wuxi Bairen Machinery Technology Co Ltd
Current assignee: Wuxi Bairen Machinery Technology Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-28
Anticipated expiration: 2029-07-19

Abstract

The utility model relates to a stamping die technical field just discloses a stamping die lower mould floating plate stop gear, the on-line screen storage device comprises a base, the top fixed mounting of base has the bed die, the equal screw thread in bottom of bed die both sides has cup jointed the bolt, the bottom of bolt runs through bed die and base in proper order and extends to the inside of base, the top chamber has been seted up to the inside of bed die. This stamping die lower mould floating plate stop gear through setting up perpendicular mouth, stroke stopper, end opening and removable pin, because erect mouth and stroke stopper, cooperation between end opening and the removable pin to this body has become effectual spacing to the floating plate, make floating plate body more stable in elevating movement, avoided floating plate body positioning deviation to appear at reciprocating motion's in-process from top to bottom, and then can't be with the smooth ejecting problem of work piece, consequently increased this floating plate stop gear's practicality.

Description

Stamping die lower mould floating plate limiting mechanism

Technical Field

The utility model relates to a stamping die technical field specifically is a stamping die lower mould floating plate stop gear.

Background

The stamping die is a special processing device for processing materials into parts in cold stamping, and is called as a cold stamping die, and stamping is a pressure processing method for applying pressure to the materials by using a die arranged on a press machine at room temperature to enable the materials to generate separation or plastic deformation so as to obtain required parts.

At present, the floating plate is generally installed to current stamping die lower mould to the work piece after the realization will punching press is ejecting, however current floating plate is at the in-process that uses, because it often receives the extrusion of mould, thereby realizes reciprocating motion from top to bottom, and long this past, will lead to floating plate to appear positioning deviation when the motion, and then can't carry out smooth ejecting with the work piece, consequently need improve it.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a stamping die lower mould floating plate stop gear possesses spacing effectual advantage, has solved current floating plate at the in-process that uses, because its extrusion that often receives the mould to realize up-and-down motion, long this in the past, will lead to floating plate to appear positioning deviation when the motion, and then can't carry out ejecting problem smoothly with the work piece.

The utility model provides a following technical scheme: a lower die floating plate limiting mechanism of a stamping die comprises a base, wherein a lower die is fixedly installed at the top of the base, bolts are sleeved at the bottoms of two sides of the lower die in a threaded manner, the bottom ends of the bolts sequentially penetrate through the lower die and the base and extend to the inside of the base, a top cavity is formed in the lower die, a bottom cavity below the top cavity is formed in the lower die, a floating plate body is movably sleeved in the top cavity, a vertical opening is formed in the floating plate body, a stroke limiting block inside the vertical opening is fixedly installed at the bottom of the top cavity, bottom openings below the stroke limiting block and above the bottom cavity are formed in the inner wall of the lower die, the top end and the bottom end of each bottom opening are respectively communicated with the top cavity and the bottom cavity, vertical blocks located on two sides of the vertical opening and above the bottom opening are fixedly installed at the bottom of the floating plate body, the inside activity of riser has cup jointed the activity round pin, the bottom of activity round pin passes the end opening and extends to the inside and the fixed mounting in end chamber and has first gasket.

Preferably, the bottom of the bottom cavity is fixedly provided with a second gasket positioned right below the first gasket, and the top of the second gasket is movably connected with the bottom of the first gasket.

Preferably, the bottom of the floating plate body is provided with side openings located on two sides of the vertical opening, the inside of each side opening is fixedly connected with a rigid spring, and the bottom end of each rigid spring is fixedly connected with the bottom of the top cavity.

Preferably, the top of the floating plate body is fixedly provided with two extrusion pads which are positioned on two sides of the vertical port and right above the side port, and the two extrusion pads are symmetrical about the center of the vertical port.

Preferably, the top end fixed mounting of activity round pin has the rectangle piece that is located the interior of riser block, the both sides of rectangle piece all with the inner wall swing joint of riser block.

Preferably, the top of the rectangular block is fixedly connected with a flexible spring, and the top end of the flexible spring is fixedly connected with the top of the inner cavity of the vertical block.

Preferably, the side port is in a free state, and both the side port and the flexible spring are shot-blasted.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this stamping die lower mould floating plate stop gear through setting up perpendicular mouth, stroke stopper, end opening and removable pin, because erect mouth and stroke stopper, cooperation between end opening and the removable pin to this body has become effectual spacing to the floating plate, make floating plate body more stable in elevating movement, avoided floating plate body positioning deviation to appear at reciprocating motion's in-process from top to bottom, and then can't be with the smooth ejecting problem of work piece, consequently increased this floating plate stop gear's practicality.

2. This stamping die lower mould floating plate stop gear, through setting up rigid spring and flexible spring, because rigid spring and flexible spring all handle through the peening, thereby very big increase the elastic property of spring, effectual elastic fatigue has been avoided rigid spring and flexible spring to appear, simultaneously because the cooperation between rigid spring and the flexible spring, thereby make the floating plate body possess enough elasticity and carry out ejecting with the work piece after the punching press, thereby guaranteed the smoothness nature that the work piece was unloaded, consequently, further improvement this floating plate stop gear's practicality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic cross-sectional structural view of the vertical block of the present invention;

fig. 4 is the schematic structural diagram of the floating plate body of the present invention.

In the figure: 1. a base; 2. a lower die; 3. a bolt; 4. a bottom cavity; 5. a floating plate body; 6. erecting a port; 7. a travel limit block; 8. a bottom opening; 9. a vertical block; 10. a movable pin; 11. a first gasket; 12. a second gasket; 13. a side port; 14. a rigid spring; 15. pressing the cushion; 16. a rectangular block; 17. a flexible spring; 18. a top cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a lower die floating plate limiting mechanism of a stamping die comprises a base 1, a lower die 2 is fixedly installed at the top of the base 1, bolts 3 are sleeved at the bottoms of the two sides of the lower die 2 in a threaded manner, the bottom ends of the bolts 3 sequentially penetrate through the lower die 2 and the base 1 and extend into the base 1, a top cavity 18 is formed in the lower die 2, a bottom cavity 4 located below the top cavity 18 is formed in the lower die 2, a second gasket 12 located right below a first gasket 11 is fixedly installed at the bottom of the bottom cavity 4, the top of the second gasket 12 is movably connected with the bottom of the first gasket 11, a floating plate body 5 is movably sleeved in the top cavity 18, two extrusion pads 15 located on the two sides of a vertical port 6 and right above a side port 13 are fixedly installed at the top of the floating plate body 5, the number of the extrusion pads 15 is two, the two extrusion pads 15 are centrally symmetrical with respect to the vertical port 6, the bottom of the floating plate body 5 is provided with side openings 13 positioned at two sides of the vertical opening 6, the side openings 13 are in a free state at the moment, the side openings 13 and the flexible springs 17 are all processed by shot blasting, the rigid springs 14 are fixedly connected inside the side openings 13, the rigid springs 14 and the flexible springs 17 are processed by shot blasting, so that the elastic performance of the springs is greatly improved, the elastic fatigue of the rigid springs 14 and the flexible springs 17 is effectively avoided, meanwhile, due to the matching between the rigid springs 14 and the flexible springs 17, the floating plate body 5 has enough elasticity to eject out the punched workpieces, so that the smoothness of workpiece unloading is ensured, the bottom end of the rigid springs 14 is fixedly connected with the bottom of the top cavity 18, the vertical opening 6 is arranged inside the floating plate body 5, and due to the matching between the vertical opening 6 and the stroke limiting block 7, and the bottom opening 8 and the movable pin 10, thereby forming effective limit on the floating plate body 5, leading the floating plate body 5 to be more stable during the lifting motion, avoiding the problem that the floating plate body 5 can not smoothly eject workpieces due to positioning deviation in the up-and-down reciprocating motion process, fixedly installing a stroke limit block 7 positioned in a vertical port 6 at the bottom of a top cavity 18, arranging bottom ports 8 positioned at two sides of the stroke limit block 7, below the top cavity 18 and above the bottom cavity 4 on the inner wall of a lower die 2, respectively communicating the top end and the bottom end of the bottom port 8 with the top cavity 18 and the bottom cavity 4, fixedly installing vertical blocks 9 positioned at two sides of the vertical port 6 and right above the bottom port 8 at the bottom of the floating plate body 5, movably sleeving a movable pin 10 in the vertical block 9, fixedly installing a rectangular block 16 positioned in the vertical block 9 at the top end of the movable pin 10, fixedly connecting a flexible spring 17 at the top of the rectangular block 16, the top end of the flexible spring 17 is fixedly connected with the top of the inner cavity of the vertical block 9, the two sides of the rectangular block 16 are movably connected with the inner wall of the vertical block 9, and the bottom end of the movable pin 10 penetrates through the bottom opening 8 and extends to the inside of the bottom cavity 4 and is fixedly provided with the first gasket 11.

During operation, the work piece that operating personnel will need the punching press at the top of the floating plate body 5 at first, then utilize the stamping workpiece in the upper die to punch the work piece, floating plate body 5 will downstream this moment, and stroke stopper 7 will be continuous deepening in perpendicular mouthful 6, stiff spring 14 will be extruded simultaneously, and riser 9 will drive movable pin 10 and first gasket 11 downstream, the bottom of final first gasket 11 contacts with the top of second gasket 12, final movable pin 10 will drive rectangular block 16 extrusion flexible spring 17, accomplish the punching press operation to the work piece this moment, when the stamping workpiece resets, this moment because the elastic force of stiff spring 14 and flexible spring 17 acts on, will make floating plate body 5 reset.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stamping die lower mould floating plate stop gear, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with a lower die (2), the bottoms of two sides of the lower die (2) are both in threaded sleeve connection with bolts (3), the bottom end of each bolt (3) sequentially penetrates through the lower die (2) and the base (1) and extends into the base (1), a top cavity (18) is formed in the lower die (2), a bottom cavity (4) located below the top cavity (18) is formed in the lower die (2), a floating plate body (5) is movably sleeved in the top cavity (18), a vertical opening (6) is formed in the floating plate body (5), a stroke limiting block (7) located in the vertical opening (6) is fixedly installed at the bottom of the top cavity (18), and bottom openings (8) located on two sides of the stroke limiting block (7), below the top cavity (18) and above the bottom cavity (4) are formed in the inner wall of the lower die (2), the top and the bottom of end opening (8) communicate with top chamber (18) and end chamber (4) each other respectively, the bottom fixed mounting of floating plate body (5) has perpendicular piece (9) that are located directly over perpendicular mouthful (6) both sides and end opening (8), the inside activity of erecting piece (9) has cup jointed removable pin (10), the bottom of removable pin (10) is passed end opening (8) and is extended to the inside and the fixed mounting of end chamber (4) and have first gasket (11).

2. The lower die floating plate limiting mechanism of the stamping die as recited in claim 1, characterized in that: the bottom of the bottom cavity (4) is fixedly provided with a second gasket (12) which is positioned right below the first gasket (11), and the top of the second gasket (12) is movably connected with the bottom of the first gasket (11).

3. The lower die floating plate limiting mechanism of the stamping die as recited in claim 1, characterized in that: the bottom of the floating plate body (5) is provided with side openings (13) located on two sides of the vertical opening (6), the inside of each side opening (13) is fixedly connected with a rigid spring (14), and the bottom end of each rigid spring (14) is fixedly connected with the bottom of the top cavity (18).

4. The lower die floating plate limiting mechanism of the stamping die as recited in claim 1, characterized in that: the top fixed mounting of floating plate body (5) has and is located perpendicular mouthful (6) both sides and the extrusion pad (15) directly over side mouth (13), the quantity of extrusion pad (15) is two, two extrusion pad (15) are about perpendicular mouthful (6) centrosymmetry.

5. The lower die floating plate limiting mechanism of the stamping die as recited in claim 1, characterized in that: the top fixed mounting of activity round pin (10) has the rectangle piece (16) that is located riser (9) inside, the both sides of rectangle piece (16) all with the inner wall swing joint of riser (9).

6. The lower die floating plate limiting mechanism of the stamping die as recited in claim 5, characterized in that: the top of the rectangular block (16) is fixedly connected with a flexible spring (17), and the top end of the flexible spring (17) is fixedly connected with the top of the inner cavity of the vertical block (9).

7. The lower die floating plate limiting mechanism of the stamping die as recited in claim 3, wherein: the side port (13) is in a free state at this time, and both the side port (13) and the flexible spring (17) are subjected to shot blasting.