CN212525644U - Precision disc tooth type multi-hole punching die - Google Patents
Precision disc tooth type multi-hole punching die Download PDFInfo
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- CN212525644U CN212525644U CN202021078511.2U CN202021078511U CN212525644U CN 212525644 U CN212525644 U CN 212525644U CN 202021078511 U CN202021078511 U CN 202021078511U CN 212525644 U CN212525644 U CN 212525644U
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Abstract
The utility model relates to a precision disc tooth type multi-hole punching die, which comprises an upper mounting plate fixedly connected on a punching head plate of a punching machine, a lower mounting plate fixed on a base of the punching machine, a lower die vertically connected with the lower mounting plate in a sliding way, an air cushion arranged below the lower die, a lower die center punching hole matched with a workpiece center hole and a lower die lightening punching hole matched with the workpiece lightening hole, a punch a fixedly connected with the lower mounting plate is arranged in the lower die center punching hole in a penetrating way, a punch b fixedly connected with the lower mounting plate is arranged in the lower die lightening punching hole in a penetrating way, the precision disc tooth type multi-hole punching die also comprises an upper die fixedly connected with the upper mounting plate, the upper die is provided with an upper die center punching hole matched with the punch a and an upper die lightening punching hole matched with the punch b, the lower end face of the upper die is matched with the upper end, the utility model discloses the surplus that punches a hole is little, efficient, convenient operation.
Description
Technical Field
The utility model relates to a punching press technical field specifically indicates a porous cut-out press of accurate dish tooth class.
Background
In the machining process of precision disc tooth workpieces such as traditional gears, punching operation is often required to be carried out on a central hole or a plurality of lightening holes distributed along the central hole, the traditional multi-hole punching die is easy to cause meat pulling of products, the product precision is low, the products are easy to deform, the allowance of the hole in the machining process is large, the consumed time is long, the cutter cost is high, and the die manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide a porous cut-out press of accurate dish tooth class that the surplus is little, efficient, convenient operation.
The utility model is realized by the following technical proposal, provides a precision plate tooth type multi-hole punching die, which comprises an upper mounting plate fixedly connected on a punching head plate of a punching machine, a lower mounting plate fixed on a base of the punching machine, a lower die vertically connected with the lower mounting plate in a sliding way and an air cushion arranged below the lower die, wherein the lower die is provided with a lower die center punching hole matched with a workpiece center hole and a lower die lightening punching hole matched with a workpiece lightening hole, a punch a fixedly connected with the lower mounting plate is arranged in the lower die center punching hole, a punch b fixedly connected with the lower mounting plate is arranged in the lower die lightening punching hole, and an upper die fixedly connected with the upper mounting plate is also arranged, the upper die is provided with an upper die center punching hole matched with the punch a and an upper die weight-reducing punching hole matched with the punch b, the lower end face of the upper die is matched with the upper end face of the workpiece, and the upper end face of the lower die is matched with the lower end face of the workpiece.
The punching head plate of the punching machine drives the upper die to move downwards, the workpiece is clamped through the upper die and the lower die, the upper die, the workpiece and the lower die are driven to move downwards together, the air cushion is extruded simultaneously, so that a workpiece central hole and a workpiece lightening hole in the workpiece are punched and formed through the fixed punch a and the fixed punch b, punched blanking enters the upper die central punching hole and the upper die lightening punching hole, and after punching is completed, the lower die and the workpiece are lifted to the original positions through the air cushion, so that punching is completed.
As optimization, the device further comprises a discharging device arranged in the upper die, wherein the discharging device comprises a discharging rod a arranged in a central punching hole of the upper die in a penetrating manner and a discharging rod b arranged in a weight-reducing punching hole of the upper die in a penetrating manner, the discharging device further comprises a striking rod fixedly connected with the discharging rod a and the discharging rod b, and the upper end face of the striking rod is higher than the upper end face of the upper mounting plate. Discharge bar an and discharge bar b in this scheme are arranged in losing weight the punching press hole with the blanking from last mould center punching press hole and last mould and release, and when the mounting panel rose and target in place, the beating plate on the punch press was touch to the beating rod to drive discharge bar an and discharge bar b downstream.
As optimization, a plurality of vertical guide pillars are fixedly connected to the lower mounting plate, and guide sleeves matched with the guide pillars are fixedly connected to the upper mounting plate. Guide pillar and guide pin bushing in this scheme are used for playing the guide effect to last mounting panel and lower mounting panel to improve the punching press precision.
The device is characterized by further comprising a lower die outer sleeve fixedly connected to the upper end face of the lower mounting plate, wherein a lower die guide hole is formed in the lower die outer sleeve, and the lower die is connected in the lower die guide hole in a sliding mode. The lower mould overcoat in this scheme is used for playing the guide effect to the lower mould.
Preferably, the lower end of the lower die is fixedly provided with a check ring. The retaining ring that sets up in this scheme keeps off the lower extreme at lower mould guiding hole to the relative position between restriction lower mould and the lower mould overcoat.
And optimally, the lower die guide hole is matched with the excircle of the workpiece. Lower mould guiding hole and the excircle adaptation of work piece in this scheme to play the positioning action when the work piece is placed.
As optimizing, the rigid coupling can be dismantled to the lower terminal surface of lower mounting panel has the fixed plate, drift an and drift b place the up end at the fixed plate, and the rigid coupling can be dismantled on the fixed plate has the connecting plate, drift an and drift b are big-end-up's shoulder shaft down, open on the fixed plate have with the shoulder hole of shoulder shaft adaptation. In the scheme, the punch a and the punch b are placed on the upper end face of the fixing plate, and the punch a and the punch b are fixedly connected with the lower mounting plate on the stepped shaft through the stepped hole in the fixing plate in a sleeved mode, so that the punch is convenient to replace.
The utility model has the advantages that: the utility model discloses a porous cut-out press of accurate dish tooth class, the product is at the in-process that punches a hole, goes up mould and lower mould and leans on the tight clamp of work piece in the centre, and the product can avoid drawing meat at the in-process that punches a hole, and the work piece can not appear the incline at the in-process that punches a hole, the utility model discloses the surplus that punches a hole is little, efficient, convenient operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention without a workpiece;
FIG. 3 is a cross-sectional view of a punched hole workpiece according to the present invention;
FIG. 4 is a front view of a punched workpiece according to the present invention;
shown in the figure:
1. the device comprises a lower mounting plate, 2, a fixing plate, 3, punches a, 4, punches b, 5, a connecting plate, 6, fixing pins a, 7, fixing plate bolts, 8, guide pillars, 9, guide sleeves, 10, an upper mounting plate, 11, press plate bolts, 12, a press plate, 13, an upper die, 14, a beating plate, 15, a beating rod, 16, discharging rods a, 17, discharging rods b, 18, fixing pins b, 19, a lower die outer sleeve, 20, a lower die, 21, a lower die outer sleeve bolt, 22, a workpiece, 23 and an air cushion.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in figures 1-4, the utility model discloses a porous cut-out press of accurate dish tooth class, including rigid coupling last mounting panel 10 on punching machine punch head board and fix the lower mounting panel 1 on the punching machine base.
The lower mounting plate 1 is fixedly connected with 4 vertical guide pillars 8, the upper mounting plate 10 is fixedly connected with guide sleeves 9 matched with the guide pillars 8, and the 4 guide pillars 8 are arranged in a square shape, so that the upper mounting plate and the lower mounting plate are guided.
The mounting structure further comprises a lower die 20 vertically connected with the lower mounting plate 1 in a sliding mode and an air cushion 23 arranged below the lower die 20, a circular through hole is formed in the center of the lower mounting plate 1, and the lower die 20 and the air cushion 23 are located inside the through hole.
The lower die 20 is provided with a lower die center punching hole matched with the workpiece center hole and a lower die weight-reducing punching hole matched with the workpiece weight-reducing hole, the lower die weight-reducing punching holes are circumferentially arranged around the lower die center punching hole, a punch a3 fixedly connected with the lower mounting plate 1 penetrates through the lower die center punching hole, and a punch b4 fixedly connected with the lower mounting plate 1 penetrates through the lower die weight-reducing punching hole.
Before punching, the upper end surface of the punch a3 is flush with the upper end of the central punching hole of the lower die, and the punch b4 is flush with the upper end of the weight-reducing punching hole of the lower die.
The mounting structure also comprises a lower die outer sleeve 19 fixedly connected to the upper end surface of the lower mounting plate 1, wherein the lower die outer sleeve 19 is connected with the lower mounting plate 1 through a lower die outer sleeve bolt 21, so that the lower die outer sleeve 19 and the lower die 20 can be replaced conveniently.
The lower die outer sleeve 19 is provided with a lower die guide hole, the lower die guide hole is matched with the outer dimension of the lower die 20, and the lower die 20 is connected in the lower die guide hole in a sliding mode along the vertical direction. The lower end of the lower die 20 is fixedly provided with a check ring which is pressed against the lower end of the lower die guide hole, so that when the air cushion 23 pushes the lower die 20 upwards, the positioning of the lower die 20 and the lower die outer sleeve 19 is ensured.
The lower die guide hole is matched with the excircle of the workpiece 22, and the upper end face of the lower die outer sleeve 19 is higher than that of the lower die 20, so that the workpiece 22 can be placed in the lower die guide hole, and the workpiece is prevented from transversely deviating.
The lower terminal surface of lower mounting panel 1 can be dismantled the rigid coupling and have fixed plate 2, and the lower terminal surface of lower mounting panel 1 is opened has the counter bore that allows fixed plate 2 to put into to make the lower terminal surface of lower mounting panel 1 and the lower terminal surface parallel and level of fixed plate 2, fixed plate 2 passes through fixed plate bolt 7 and is connected with lower mounting panel 1.
The punch a3 and the punch b4 are placed on the upper end face of the fixing plate 2, the fixing plate 2 is detachably and fixedly connected with the connecting plate 5, the punch a3 and the punch b4 are stepped shafts with large lower parts and small upper parts, a stepped hole matched with the stepped shafts is formed in the fixing plate 2, the connecting plate 5 is placed on the fixing plate 2 and connected through bolts, the punch a3 and the punch b4 are pressed on the fixing plate 2, and a fixing pin a6 penetrates between the connecting plate 5 and the fixing plate 2, so that the connecting plate 5 is accurately positioned.
Said air cushion 23 is placed between the connecting plate 5 and the lower die 20.
The stamping die further comprises an upper die 13 fixedly connected with the upper mounting plate 10, wherein an upper die center stamping hole matched with the punch a3 and an upper die weight-reducing stamping hole matched with the punch b4 are formed in the upper die 13, the upper die center stamping hole and the upper die weight-reducing stamping hole are vertical round holes, the lower end face of the upper die 13 is matched with the upper end face of the workpiece 22, and the upper end face of the lower die 20 is matched with the lower end face of the workpiece 22.
Go up the center of mounting panel 10 and open and to have the circular port, go up mould 13 and be located the circular port, go up the punch bottom surface of mould 13 top at the punching machine, the lower terminal surface of going up mounting panel 10 is equipped with clamp plate 12, the top of going up mould 13 be equipped with the boss of clamp plate hole adaptation, the clamp plate will go up mould 13 through compressing tightly the boss and compress tightly in last mounting panel 10, clamp plate 12 passes through the clamp plate bolt and is connected with last mounting panel 10, worn fixed pin b18 between clamp plate 12 and the last mounting panel 10 to fix a position the clamp plate.
Still including installing the discharge apparatus in last mould 13, discharge apparatus is including wearing to establish discharge rod a16 and the wear to establish in last mould central punching press downthehole discharge rod b17 that subtracts heavy punching press downthehole, discharge apparatus still includes the knock rod 15 with the equal rigid coupling of discharge rod a16 and discharge rod b17, the up end of knock rod 15 is higher than the up end of last mounting panel 10, and knock plate is equipped with to knock rod 15 lower extreme, and the top of going up mould 13 is opened has the counter bore of holding knock plate 14 installation, and knock rod 15 is connected with knock plate 14 through the screw, and the lower terminal surface of knock plate 14 all rigid couplings with discharge rod a16 and discharge rod b 17.
The punch head plate of the punching machine is provided with a hole for the hitting rod 15 to pass through, when the punching machine ascends to the right position, the hitting rod 15 pushes against a hitting plate on the punching machine, and therefore the hitting rod 15 is driven to move downwards.
The utility model discloses a use method: when the punching machine is used, a workpiece 22 is placed on the upper end face of the lower die 20, the workpiece 22 is attached to the upper end face of the lower die 20, the punch head plate of the punching machine drives the upper die 13 to move downwards, the workpiece 22 is clamped by the upper die 13 and the lower die 20, the upper die, the workpiece and the lower die are driven to move downwards together, the air cushion is extruded at the same time, so that a workpiece central hole and a workpiece lightening hole in the workpiece are punched and formed through a fixed punch head a and a fixed punch head b, the punched blanking enters the upper die central punching hole and the upper die lightening punching hole, the discharging rod a16 and the discharging rod b17 are pushed to jack the striking plate 14 and the striking rod 15 when the blanking machine ascends, the striking rod 15 touches a striking plate on the punching machine to strike the blanking machine, the blanking machine is struck, meanwhile, the air cushion 23 rapidly jacks the lower die 20 to the initial position due to disappearance of the descending external force, the struck blanking material, namely, the punching of one workpiece is completed
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a porous cut-out press of accurate dish tooth class which characterized in that: the stamping die comprises an upper mounting plate (10) fixedly connected to a punch head plate of a stamping machine, a lower mounting plate (1) fixed to a base of the stamping machine, a lower die (20) vertically connected with the lower mounting plate (1) in a sliding manner, an air cushion (23) arranged below the lower die (20), a lower die central stamping hole matched with a workpiece central hole and a lower die weight-reducing stamping hole matched with a workpiece weight-reducing hole are formed in the lower die (20), a punch a (3) fixedly connected with the lower mounting plate (1) penetrates through the lower die central stamping hole, a punch b (4) fixedly connected with the lower mounting plate (1) penetrates through the lower die weight-reducing stamping hole, an upper die (13) fixedly connected with the upper mounting plate (10) is further formed in the upper die (13), an upper die central stamping hole matched with the punch a (3) and an upper die weight-reducing stamping hole matched with the punch b (4) are formed in the upper die (13), the lower end face of the, the upper end surface of the lower die (20) is matched with the lower end surface of the workpiece (22).
2. The precision disc tooth type multi-hole punching die as claimed in claim 1, wherein: still including installing the discharge apparatus in last mould (13), discharge apparatus is including wearing to establish in last mould central punching press downthehole stripper a (16) and wearing to establish in last mould and subtract heavy punch press downthehole stripper b (17), discharge apparatus still includes and beats pole (15) with the equal rigid coupling of stripper a (16) and stripper b (17), the up end of beating pole (15) is higher than the up end of last mounting panel (10).
3. The precision disc tooth type multi-hole punching die as claimed in claim 1, wherein: a plurality of vertical guide pillars (8) are fixedly connected to the lower mounting plate (1), and guide sleeves (9) matched with the guide pillars (8) are fixedly connected to the upper mounting plate (10).
4. The precision disc tooth type multi-hole punching die as claimed in claim 1, wherein: the device also comprises a lower die outer sleeve (19) fixedly connected with the upper end surface of the lower mounting plate (1), a lower die guide hole is formed in the lower die outer sleeve (19), and the lower die (20) is connected in the lower die guide hole in a sliding manner.
5. The precision disc tooth multi-hole punching die as claimed in claim 4, wherein: and a check ring is fixedly arranged at the lower end of the lower die (20).
6. The precision disc tooth multi-hole punching die as claimed in claim 4, wherein: the lower die guide hole is matched with the excircle of the workpiece (22).
7. The precision disc tooth type multi-hole punching die as claimed in claim 1, wherein: the rigid coupling can be dismantled to the lower terminal surface of lower mounting panel (1) has fixed plate (2), drift an (3) and drift b (4) are placed in the up end of fixed plate (2), and the rigid coupling can be dismantled on fixed plate (2) has connecting plate (5), drift an (3) and drift b (4) are down big-end-up's shoulder shaft, go up on fixed plate (2) to open have the shoulder hole with the shoulder shaft adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021078511.2U CN212525644U (en) | 2020-06-12 | 2020-06-12 | Precision disc tooth type multi-hole punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021078511.2U CN212525644U (en) | 2020-06-12 | 2020-06-12 | Precision disc tooth type multi-hole punching die |
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| Publication Number | Publication Date |
|---|---|
| CN212525644U true CN212525644U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021078511.2U Active CN212525644U (en) | 2020-06-12 | 2020-06-12 | Precision disc tooth type multi-hole punching die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245443A (en) * | 2021-06-23 | 2021-08-13 | 浙江万鼎精密科技股份有限公司 | Automobile hub bearing light hole precise multi-hole one-time punching equipment and method |
-
2020
- 2020-06-12 CN CN202021078511.2U patent/CN212525644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245443A (en) * | 2021-06-23 | 2021-08-13 | 浙江万鼎精密科技股份有限公司 | Automobile hub bearing light hole precise multi-hole one-time punching equipment and method |
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