CN210754594U

CN210754594U - Trimming and punching device for planet carrier hub

Info

Publication number: CN210754594U
Application number: CN201921310111.7U
Authority: CN
Inventors: 李鹏勇
Original assignee: Zhejiang Global Mechanical Polytron Technologies Inc
Current assignee: Zhejiang Global Mechanical Polytron Technologies Inc
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-06-16
Anticipated expiration: 2029-08-13

Abstract

The utility model provides a side cut punching device of planet carrier hub belongs to machining technical field. It has solved the current device that is used for processing planet carrier hub and can't cut edge the scheduling problem that punches a hole simultaneously. This side cut punching device of planet carrier hub, including linking firmly lower module on the punch press workstation and connecting the die plate on the punch press clamp plate, set up the undercut on the lower module top face and be used for placing the chamber that holds of planet carrier hub and be used for the planet carrier hub to punch a hole the through-hole of usefulness, be equipped with on the bottom face of die plate and hold the chamber and cooperate the side cut component that is used for planet carrier hub to cut edge, still be equipped with the jumper bar that is used for planet carrier hub to punch a hole on the die plate and be used for driving the driver that the jumper bar reciprocated, jumper bar and side cut component swing joint, and the jumper bar lower extreme passes the side cut component and cooperatees with the through-hole, the jumper. The utility model has the advantages of reasonable structure, convenient processing, etc.

Description

Trimming and punching device for planet carrier hub

Technical Field

The utility model belongs to the technical field of machining, a side cut punching device of planet carrier hub is related to.

Background

The planet carrier is one of the main components of the planetary gear transmission device, a planet wheel shaft or a bearing is arranged on the planet carrier, when a planet wheel is used as a basic component, the planet wheel is a part which bears the maximum external moment in the mechanism, the structural design and the manufacture of the planet wheel have great influence on the load distribution among the planet wheels so as to ensure the bearing capacity, the noise, the vibration and the like of the transmission device, and the reasonable structure of the planet carrier has the advantages of light weight, good rigidity and convenience in processing and assembling. The common structural forms of the composite plate include a double-side-plate integral type, a double-side-plate split type and a single-side-plate type.

Planet carrier hub need cut edge, the processing of punching a hole usually in the course of working, and the equipment to processing planet carrier hub on the existing market all will cut edge and punch a hole respectively and handle usually, handles respectively that cut edge and the mould that needs many sets of that punches a hole, and manufacturing cost is higher and make a round trip to change the mould and can consume a large amount of time, and simultaneously, processing respectively still has the location problem, reduces the cooperation precision easily, influences the normal use of product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a cut edge punching device of planet carrier hub that cut edge and punch a hole and can go on simultaneously is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a side cut punching device of planet carrier hub, is including linking firmly lower module on the punch press workstation and connecting the die plate on the punch press clamp plate, lower module top face on offer the undercut be used for placing the planet carrier hub hold the chamber and be used for the planet carrier hub to punch a hole the through-hole of usefulness, the bottom face of die plate on be equipped with and hold the chamber and cooperate the side cut component that is used for planet carrier hub to cut edge, the die plate on still be equipped with the jumper bar that is used for planet carrier hub to punch a hole and be used for driving the driver that the jumper bar reciprocated, jumper bar and side cut component swing joint, and the jumper bar lower extreme passes the side cut component and cooperatees with the through-hole, the jumper bar descends the in-process.

In foretell side cut punching device of planet carrier hub, the side cut component including side cut base and apron, the side cut base on set up the perforation that supplies the jumper bar to penetrate, be formed with between side cut base and the apron and perforate communicating side cut groove, side cut inslot be provided with towards the side cut tool bit of lower module direction, be connected with a plurality of between the upper end of side cut base and the die and be used for the side cut base to reciprocate the reset assembly who resets.

In the trimming and punching device for the planet carrier hub, the number of the reset components is two, and the two reset components are symmetrically distributed along the central axis of the punching die plate.

In foretell side cut punching device of planet carrier hub, every reset assembly including have the chamber that resets cover and with reset cover matched with release link, reset cover link firmly on the bottom face of die plate, and vertical arch downwards, the one end of release link set up in the intracavity that resets, the other end of release link is connected on the up end of side cut base, the intracavity that resets be provided with the elastic component that resets that is used for the release link to reset the usefulness.

In foretell side cut punching device of planet carrier hub, the upper end of release link have radial protruding and the movable table of reseing the chamber lateral wall laminating mutually, the elastic component cover that resets locate on the release link, and the upper end butt of the elastic component that resets on the interior terminal surface of movable table, the lower tip that resets leans on the tip in reset set export one side.

In foretell side cut punching device of planet carrier hub, the body of rod of jumper bar on be provided with radial bellied linkage platform, the diameter of linkage platform be greater than fenestrate diameter, when the jumper bar downstream punches a hole, the linkage platform on the jumper bar can support by the upper end in the side cut base to drive the common downstream of side cut base.

In foretell side cut punching device of planet carrier hub, side cut tool bit and side cut groove between be provided with the shock attenuation piece, the upper end of shock attenuation piece link firmly in the upper surface of side cut groove.

In the trimming and punching device for the planet carrier hub, the trimming cutter head comprises a cutter body, the lower end part of the cutter body is provided with a downward convex top cutter for trimming, and the upper end part of the cutter body is provided with a limiting edge which radially extends to form a limiting edge limited in the trimming groove.

In the trimming and punching device for the planet carrier hub, the two side ends of the limiting edge are provided with the sliding grooves, and the side end of the trimming cutter head is provided with the sliding edge which can be inserted into the sliding grooves and can move up and down along the sliding grooves.

In the trimming and punching device for the planet carrier hub, the diameter of the upper end part of the through hole is the same as that of the punch rod, and the diameter of the lower end part of the through hole is larger than that of the punch rod.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses be provided with jumper bar and side cut component on the die plate, the driver can drive the side cut component downstream simultaneously when the drive jumper bar downstream to this realizes punching a hole and accomplishes simultaneously with cutting edge, and simple structure is reasonable, makes things convenient for the processing of planet carrier hub more.

2. The utility model provides a two reset groups distribute along the axis bilateral symmetry of die plate, can make the atress of the side cut component left and right sides more even.

3. The utility model discloses on reset rod was located to well elastic component cover that resets, and the upper end butt of the elastic component that resets on the interior terminal surface of movable table, the lower tip of the elastic component that resets supports and leans on the tip in set export one side that resets, makes the elastic component that resets connect more stably in the up-and-down motion process.

4. The utility model provides a be provided with the shock attenuation piece between side cut tool bit and the side cut groove, the side cut tool bit can help reducing the impact that the side cut tool bit led to the fact the side cut base when just contacting the work piece through the shock attenuation piece.

5. The utility model discloses the spout has been seted up to two side tip on well spacing limit, and the smooth limit of side cut tool bit can slide from top to bottom in the spout to this improves the smoothness nature that the side cut tool bit reciprocated.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic view of a partial structure of the present invention.

Fig. 3 is a connection schematic diagram of the middle trimming cutter head and the trimming base.

In the figure, 1, a lower module; 2. punching a template; 3. an accommodating chamber; 4. a through hole; 5. a trimming member; 6. punching; 7. a driver; 8. trimming the base; 9. a cover plate; 10. perforating; 11. cutting an edge groove; 12. a trimming cutter head; 13. a reset assembly; 14. a reset chamber; 15. a reset sleeve; 16. a reset lever; 17. a restoring elastic member; 18. a movable table; 19. a linkage table; 20. a shock absorbing member; 21. a cutter body; 22. ejecting a cutter; 23. a limiting edge; 24. a chute; 25. and (6) sliding the edge.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in figures 1 to 3, the trimming and punching device for the planet carrier hub comprises a lower module 1 fixedly connected to a punch workbench and a die plate 2 connected to a press plate of the punch workbench, a containing cavity 3 which is sunken downwards and used for containing the planet carrier hub and a through hole 4 used for punching the planet carrier hub are formed in the top end face of the lower module 1, a trimming component 5 matched with the containing cavity 3 and used for trimming the planet carrier hub is arranged on the bottom end face of the die plate 2, a punch 6 used for punching the planet carrier hub and a driver 7 used for driving the punch 6 to move up and down are further arranged on the die plate 2, the punch 6 is movably connected with the trimming component 5, the lower end of the punch 6 penetrates through the trimming component 5 to be matched with the through hole 4, and the punch 6 can drive the trimming mechanism 5 to move downwards in

Be provided with drift 6 and side cut component 5 on the die plate 2, the below of die plate 2 is equipped with the lower bolster, the work piece is placed on the lower bolster, when driver 7 drive drift 6 downstream on die plate 2, drift 6 can with side cut 5 looks butt of component and drive side cut component 5 downstream simultaneously in the downstream, with this realize

side cut component

5 and 6 linkage of drift, can cut edge the processing to the planet carrier hub when punching a hole to the planet carrier hub, moreover, the steam generator is simple and reasonable in structure, more make things convenient for the processing of planet carrier hub.

In the present embodiment, the trimming member 5 may be a conventional technology known to those skilled in the art, and the trimming member 5 may be a laser cutter or a blade cutter commonly available on the market, and the trimming mechanism is used for cutting the edge of the planet carrier hub in the present embodiment.

As shown in fig. 1 and 2, preferably, the trimming member 5 includes a trimming base 8 and a cover plate 9, a through hole 10 for the punch 6 to penetrate through is formed in the trimming base 8, a trimming groove 11 communicated with the through hole 10 is formed between the trimming base 8 and the cover plate 9, a trimming cutter head 12 facing the direction of the lower die block 1 is arranged in the trimming groove 11, and a plurality of reset components 13 for resetting the trimming base 8 up and down are connected between the upper end of the trimming base 8 and the punch die.

When the trimming component 5 is used, the punch 6 is utilized to move downwards together with the punch 6, a trimming cutter head 12 in the trimming component 5 can trim a workpiece, when the punch 6 returns upwards after punching, the trimming component 5 can be separated from the punch 6, the trimming component 5 resets through the resetting component 13, in order to enable the left side and the right side of the trimming component 5 to be more uniformly stressed, the number of the resetting components 13 is two, and the two resetting components 13 are symmetrically distributed along the left and right sides of the central axis of the punching template 2.

In this embodiment, the resetting assembly 13 may be a driving motor or an air cylinder having a reciprocating motion, and the driving motor or the air cylinder is connected to the upper end of the trimming member 5 and can drive the trimming base 8 to move upward.

As shown in fig. 1 and 2, preferably, each reset assembly 13 includes a reset sleeve 15 having a reset cavity 14 and a reset rod 16 matched with the reset sleeve 15, the reset sleeve 15 is fixedly connected to the bottom end surface of the die plate 2 and protrudes vertically downward, one end of the reset rod 16 is disposed in the reset cavity 14, the other end of the reset rod 16 is connected to the upper end surface of the trimming base 8, and a reset elastic member 17 for resetting the reset rod 16 is disposed in the reset cavity 14.

When the trimming component 5 is in the initial state, the reset rod 16 is at the top of the reset cavity 14 under the effect of the reset elastic piece 17, the trimming base 8 is at the highest position, when the punch 6 pushes the trimming base 8 downwards, the reset elastic piece 17 can correspondingly compress along with the punch, potential energy is stored, when the punch 6 moves upwards and retracts, the trimming base 8 can restore to the initial state under the elastic force of the reset elastic piece 17, and in the embodiment, the reset elastic piece 17 can be a spring.

In order to make the connection of the elastic resetting piece 17 more stable in the up-and-down movement process, the upper end of the resetting rod 16 is provided with a movable table 18 with a radial protrusion attached to the side wall of the resetting cavity 14, the elastic resetting piece 17 is sleeved on the resetting rod 16, the upper end of the elastic resetting piece 17 abuts against the inner end surface of the movable table 18, and the lower end of the elastic resetting piece 17 abuts against the end part on one side of the outlet of the resetting sleeve 15.

As shown in fig. 2, preferably, a linkage table 19 protruding in the radial direction is arranged on the rod body of the punch 6, the diameter of the linkage table 19 is larger than that of the through hole 10, and when the punch 6 moves downwards to punch a hole, the linkage table 19 on the punch 6 abuts against the upper end portion of the trimming base 8, so that the trimming base 8 is driven to move downwards together.

Be provided with damper 20 between side cut tool bit 12 and the side cut groove 11, damper 20's upper end links firmly in the upper surface of side cut groove 11, side cut tool bit 12 is when just contacting the work piece, can help reducing the impact that side cut tool bit 12 led to the fact to side cut base 8 through damper 20, damper 20 can be silica gel or rubber, when initial condition, the upper end of side cut tool bit 12 supports promptly and leans on damper 20 on the surface, when side cut tool bit 12 lower part atress, side cut tool bit 12 can be with the situation rebound, disperse on damper 20 with its power, damper 20 can take place to deform and carry out the shock attenuation.

As shown in fig. 2, in the present embodiment, the trimming bit 12 includes a cutter body 21, the lower end of the cutter body 21 has a top cutter 22 protruding downward for trimming, and the upper end of the cutter body 21 has a limit edge 23 extending radially and limited in the trimming groove 11, and in order to improve the overall strength of the trimming bit 12, the limit edge 23, the top cutter 22 and the cutter body 21 may be integrally formed.

As shown in fig. 2 and 3, the side end portions of the limiting edge 23 are provided with sliding grooves 24, the side end portion of the trimming bit 12 is provided with a sliding edge 25 which can be inserted into the sliding groove 24 and can move up and down along the sliding groove 24, the side end portions of the limiting edge 23 are provided with the sliding grooves 24, and the sliding edge 25 of the trimming bit 12 can slide up and down in the sliding groove 24, so that the smoothness of moving up and down of the trimming bit 12 is improved.

As shown in fig. 1, the diameter of the upper end of the through hole 4 is the same as the diameter of the punch 6, and the diameter of the lower end of the through hole 4 is larger than the diameter of the punch 6. After the punching by the punch 6 is completed, the diameter of the lower end of the through-hole 4 is larger than that of the upper end thereof in order to prevent the waste from being stuck inside the through-hole 4.

The utility model discloses a theory of operation does: the punching die plate 2 is provided with a punching rod 6 and an edge cutting component 5, a lower die plate is arranged below the punching die plate 2, a workpiece is placed on the lower die plate, in an initial state, a reset rod 16 is positioned at the top end of a reset cavity 14 under the action of a reset elastic piece 17, an edge cutting base 8 is positioned at the highest position, and the punching rod 6 is driven to move downwards by a driver 7 during working so as to complete a first punching process; in the descending process of the punch 6, the linkage table 19 on the punch 6 is abutted against the upper end part of the trimming base 8, so that the trimming base 8 is driven to move downwards together to move the trimming cutter head 12 in the trimming component 5 to trim the workpiece, and the second trimming process is completed; when the punch 6 pushes the trimming base 8 downwards, the reset elastic piece 17 can be compressed correspondingly, potential energy is stored, after the punch 6 is punched, the driver 7 drives the punch 6 to return upwards, the trimming component 5 is separated from the punch 6 under the action of the reset elastic piece 17, when the punch 6 moves upwards and returns, the trimming base 8 returns to an initial state under the elastic action of the reset elastic piece 17, the punching and trimming processes are simultaneously executed under the same station, secondary positioning time is saved, and the processing precision of the punching and trimming processes is improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms lower die block 1, die plate 2, receiving cavity 3, through hole 4, trimming member 5, punch 6, actuator 7, trimming base 8, cover plate 9, through hole 10, trimming groove 11, trimming bit 12, reset assembly 13, reset cavity 14, reset sleeve 15, reset lever 16, reset spring 17, movable table 18, linkage table 19, shock absorber 20, cutter body 21, top cutter 22, limit edge 23, slide groove 24, slide edge 25, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. An edge cutting and punching device of a planet carrier hub comprises a lower module (1) fixedly connected on a workbench of a punch press and a die plate (2) connected on a press plate of the punch press, it is characterized in that the top end surface of the lower module (1) is provided with a containing cavity (3) which is sunken downwards and is used for placing a planet carrier hub and a through hole (4) for punching the planet carrier hub, the bottom end face of the die plate (2) is provided with an edge cutting component (5) which is matched with the containing cavity (3) and used for cutting edges of the planet carrier hub, the punching die plate (2) is also provided with a punching rod (6) for punching the planet carrier hub and a driver (7) for driving the punching rod (6) to move up and down, the punching rod (6) is movably connected with the trimming component (5), the lower end of the punch rod (6) passes through the trimming component (5) to be matched with the through hole (4), the punch rod (6) can drive the trimming component (5) to move downwards in the descending process.

2. The trimming and punching device for the planet carrier hub according to claim 1, wherein the trimming component (5) comprises a trimming base (8) and a cover plate (9), a through hole (10) for the punch rod (6) to penetrate through is formed in the trimming base (8), a trimming groove (11) communicated with the through hole (10) is formed between the trimming base (8) and the cover plate (9), a trimming cutter head (12) facing the direction of the lower module (1) is arranged in the trimming groove (11), and a plurality of reset components (13) used for moving up and down and resetting the trimming base (8) are connected between the upper end of the trimming base (8) and the punch die.

3. The trimming and punching device for the planet carrier hub as claimed in claim 2, wherein the number of the reset assemblies (13) is two, and the two reset assemblies (13) are symmetrically distributed along the central axis of the die plate (2).

4. The trimming and punching device for the planet carrier hub according to claim 2, wherein each reset assembly (13) comprises a reset sleeve (15) with a reset cavity (14) and a reset rod (16) matched with the reset sleeve (15), the reset sleeve (15) is fixedly connected to the bottom end face of the punch plate (2) and protrudes vertically downwards, one end of the reset rod (16) is arranged in the reset cavity (14), the other end of the reset rod (16) is connected to the upper end face of the trimming base (8), and a reset elastic member (17) for resetting the reset rod (16) is arranged in the reset cavity (14).

5. The trimming and punching device for the planet carrier hub according to claim 4, wherein the upper end of the reset rod (16) is provided with a movable table (18) with a radial protrusion which is attached to the side wall of the reset cavity (14), the reset elastic member (17) is sleeved on the reset rod (16), the upper end of the reset elastic member (17) abuts against the inner end face of the movable table (18), and the lower end of the reset elastic member (17) abuts against the end of the reset sleeve (15) on the outlet side.

6. The trimming and punching device for the planet carrier hub according to any one of claims 1 to 5, wherein the rod body of the punch rod (6) is provided with a linkage table (19) which protrudes radially, the diameter of the linkage table (19) is larger than that of the through hole (10), and when the punch rod (6) moves downwards to punch the hole, the linkage table (19) on the punch rod (6) abuts against the upper end part of the trimming base (8), so that the trimming base (8) is driven to move downwards together.

7. A trimming and punching device for a planet carrier hub according to any one of claims 2 to 5, wherein a damping member (20) is arranged between the trimming bit (12) and the trimming groove (11), and the upper end part of the damping member (20) is fixedly connected to the upper surface of the trimming groove (11).

8. The trimming and punching device for the planet carrier hub according to any one of claims 2 to 5, wherein the trimming bit (12) comprises a cutter body (21), the lower end part of the cutter body (21) is provided with a top cutter (22) which is protruded downwards and used for trimming, and the upper end part of the cutter body (21) is provided with a limiting edge (23) which extends radially and is limited in the trimming groove (11).

9. The trimming and punching device for the planet carrier hub according to claim 8, wherein the two side ends of the limiting edge (23) are provided with sliding grooves (24), and the side end of the trimming bit (12) is provided with a sliding edge (25) which can be inserted into the sliding grooves (24) and can move up and down along the sliding grooves (24).

10. A trimming and punching device for a planet carrier hub according to any one of claims 1 to 5, characterized in that the diameter of the upper end of the through hole (4) is the same as the diameter of the punch (6), and the diameter of the lower end of the through hole (4) is larger than the diameter of the punch (6).