CN218574732U

CN218574732U - Lateral punching mechanism for machine shell

Info

Publication number: CN218574732U
Application number: CN202222550885.5U
Authority: CN
Inventors: 金文华
Original assignee: Shanghai Yufei Metal Products Co ltd
Current assignee: Shanghai Yufei Metal Products Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-03-07
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a lateral punching mechanism for a machine shell, including an upper pressing body, a floating body and a base, the upper pressing body comprises a die shank and an upper support, the floating body comprises a punch holder, a die base and a plurality of punching male dies, the side of the punch holder is provided with a plurality of guide holes, the plurality of punching male dies are respectively positioned in the plurality of guide holes, the top of the punch holder is provided with a machine shell insertion groove, the top center of the base is provided with an oblique wedge block, the side base of the oblique wedge block is provided with a plurality of limit screws, the bottom of the base is provided with an ejection device, the tops of the plurality of limit screws are connected with a backing plate, the side of the oblique wedge block is provided with a plurality of chutes, one ends of the plurality of punching male dies are clamped into the chutes and are in sliding connection with the chutes, the device makes full use of the inner space of the machine shell, and the mechanism is simple and exquisite; and the machine shell can be successfully blanked at one time by blanking and punching burrs of the inclined wedge block and the punching male die outwards, so that the working efficiency is improved, and the size precision can be ensured.

Description

Lateral punching mechanism for machine shell

Technical Field

The utility model relates to a punching equipment technical field, concretely relates to machine shell side mechanism of punching a hole.

Background

As is well known, in electromechanical and daily products, some larger shells need to be provided with through holes in different directions on the outer surface, the through holes are generally punched and finished by a cantilever type female die for multiple times by changing a positioning column, and if the precision of hole positions is high, in order to avoid accumulated errors caused by multiple positioning, punching and finishing are required for one time.

The common mode is that a female die is arranged in an inner cavity of a shell, a plurality of multi-directional male die seats are pushed by a wedge to force a male die arranged in the male die seats to punch from the transverse outside to the inside, and the common mode has the defects that the mechanism becomes huge and heavy because fixing, guiding and stripping devices of the male die mechanism are all arranged on the outer side of a large shell, the occupied space is large, and burrs are inward, so that the difficulty is brought to clearing. In addition, in order to ensure the coaxiality of the male die and the female die, great difficulty is brought to mechanism manufacturing.

Therefore, it is necessary to invent a lateral punching mechanism of the housing to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shell lateral punching mechanism to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a shell lateral punching mechanism, includes the top pressure body and the floating body and base, the top pressure body is including die shank and pop-up, die shank fixed mounting is at the top center of last support, the floating body is including punch holder and die base and a plurality of terrace die that punches a hole, inside the punch holder is inlayed into the die base, the backing plate is installed to the bottom of die base, the top center department of punch holder is provided with the perforating hole, the side of punch holder is provided with a plurality of guiding holes, and is a plurality of the terrace die that punches a hole is located a plurality of guiding holes respectively, the top of punch holder is provided with the casing insertion groove, the casing insertion groove link up with a plurality of guiding holes, and is a plurality of the die holder is installed in the punch holder outside in the guiding hole outside, and the die holder is fastened in the die base pit with fastening screw for the die base, oblique voussoir is installed at the top center of base, be provided with a plurality of stop screw on the side base of oblique voussoir, the bottom of base is installed and is popped the top of stop screw is connected with the backing plate, and is whole the floating body is held up by the bullet ware through the perforating hole, run through to the perforating hole from the inside of punch holder, the side of punch a plurality of wedge, the one end of a plurality of connecting groove, the side of a plurality of connecting block, the terrace die is provided with a plurality of the terrace die, the slip spout of punch a plurality of connecting block.

Preferably, a female die holder is arranged on the outer side of the male die holder containing a plurality of guide holes, a slot hole is formed in the side edge of the female die holder, a female die insert sleeve is pressed into the slot hole, the slot hole of the female die holder and the guide holes are located on the same axis, and the female die holder is fastened on the female die base through screws.

Preferably, a pressing ring is sleeved on the outer side of the top of the female die holder, a central taper hole of the pressing ring is matched with an outer conical surface of the female die holder, and the pressing ring is fixedly connected with the female die base through a plurality of connecting screw rods, so that radial compressive stress is applied to the female die holder.

Preferably, a plurality of ejector rods are installed at the bottom of the upper support at equal intervals, when the upper pressing body moves downwards, the ejector rods press the upper plane of the female die base, and the upper plane of the female die base is flush with the upper plane of the female die base, so that the floating body is forced to move downwards along with the upper plane of the female die base.

Preferably, the bottom of the inclined wedge block is connected with the base through a fixing screw, and the die base is connected with the base plate through the fixing screw.

Preferably, the cross section of the sliding groove of the wedge block is of a T-shaped structure, one end, away from the wedge block, of the punching male die is provided with a cutting edge, and the cross section of one end, located inside the sliding groove, of the punching male die is of an I-shaped structure.

Preferably, the bottom of base is installed the rubber block.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the device makes full use of the inner space of the shell, and the mechanism is simple and exquisite;

2. the device can successfully perform one-time blanking on the shell, thereby not only improving the working efficiency, but also ensuring the dimensional accuracy;

3. the device has the advantages that the punching burrs punched by the inclined wedge block and the punching male die are outward, so that the device is convenient to remove;

4. the punching male die and the corresponding female die holder are combined in the same floating body, so that the processing is convenient, the coaxiality of the punching male die and the corresponding female die holder is ensured, and qualified workpieces can be obtained without the limitation of the precision of a punch when the mechanism is put into use.

When the punching machine works, the processed shell is inserted into the shell insertion groove of the convex die holder, and the punch press sliding block drives the die shank to move downwards, so that the top of the shell is contacted with the corresponding plane of the upper support 2; meanwhile, the ejector rod 3 presses the female die base 8 to move downwards; in the descending process of the whole floating body, the punching male die 4 moves outwards under the action of the sliding groove of the T-shaped structure of the wedge block 12 so as to complete the punching of all side holes, then, the sliding block of the punching machine rises back, the floating body moves upwards, the punching male die 4 retracts inwards under the action of the sliding groove of the T-shaped structure of the wedge block 12, and finally, the sliding block of the punching machine returns to the upper initial point so as to take out a workpiece.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a plan sectional view of the whole structure of the present invention;

fig. 2 is a top plan view of the floating body and the base of the present invention.

Description of reference numerals:

1. a die shank; 2. supporting; 3. a top rod; 4. punching a male die; 5. embedding a female die into a sleeve; 6. a female die holder; 7. a convex die holder; 8. a female die base; 9. a limit screw; 10. a base; 11. ejecting a device; 12. a tapered wedge; 13. a backing plate; 14. a compression ring; 15. a through hole; 16. connecting a screw rod; 17. a chute; 18. inserting the casing into the slot; 19. a rubber block; 20. a guide hole; 21. and (5) fastening the screw.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a machine shell lateral punching mechanism as shown in figure 1-2, which comprises an upper pressure body, a floating body and a base 10, wherein the upper pressure body comprises a die handle 1 and an upper support 2, the die handle 1 is fixedly arranged at the top center of the upper support 2, the floating body comprises a punch holder 7, a die base 8 and a plurality of punching punches 4, the punch holder 7 is embedded into the die base 8, a backing plate 13 is arranged at the bottom of the die base 8, a through hole 15 is arranged at the top center of the punch holder 7, a plurality of guide holes 20 are arranged at the side edge of the punch holder 7, the plurality of punching punches 4 are respectively arranged in the plurality of guide holes 20, a machine shell insertion groove 18 is arranged at the top of the punch holder 7, the machine shell insertion groove 18 is communicated with the plurality of guide holes 20, the outer side of a convex die holder 7 with a plurality of guide holes 20 is provided with a concave die holder 6 and is fastened in a concave pit of a concave die base 8 by a fastening screw 21, the center of the top of a base 10 is provided with an inclined wedge block 12, a side base 10 of the inclined wedge block 12 is provided with a plurality of limit screws 9, the bottom of the base 10 is provided with an ejection device 11, the tops of the limit screws 9 are connected with a backing plate 13, the whole floating body is supported by the ejection device 11 through the limit screws 9, the inclined wedge block 12 penetrates into the convex die holder 7 from a through hole 15, the side surface of the inclined wedge block 12 is provided with a plurality of sliding grooves 17, one ends of a plurality of punching convex dies 4 are clamped into the sliding grooves 17 and are in sliding connection with the sliding grooves, the device fully utilizes the inner space of a shell, and is simple and exquisite in mechanism; and the punched burrs of the inclined wedge block 12 and the punching male die 4 are outward, so that the punched burrs are convenient to remove, the machine shell can be successfully punched at one side of a multi-side hole, the working efficiency is improved, and the size precision can be ensured.

Furthermore, in the above technical solution, a female die holder 6 is installed at the outer side of a male die holder 7 having a plurality of guiding holes 20, a slot is provided at the side of the female die holder 6, a female die bushing 5 is pressed into the slot, the slot of the female die holder 6 and the guiding holes 20 are on the same axis, the female die holder 6 is fastened on a female die base 8 by screws;

further, in the above technical solution, a pressing ring 14 is sleeved on the outer side of the top of the die holder 6, a central taper hole of the pressing ring 14 is engaged with the outer taper surface of the die holder 6, and the pressing ring 14 is fastened and connected with the die base 8 through a plurality of connecting screws 16, so as to apply radial compressive stress to the die holder 6.

Further, in the technical scheme, a plurality of ejector rods 3 are arranged at the bottom of the upper support 2 at equal intervals, and the ejector rods 3 are in contact with the top of the female die base 8 when the female die base 8 and the top of the female die holder 6 are flush;

further, in the above technical scheme, the bottom of the wedge block 12 is connected with the base 10 through a fixing screw, and the die base 8 is also connected with the backing plate 13 through a fixing screw;

particularly, the fixing screws are used for connection, and the parts can be disassembled and assembled, so that convenient replacement can be realized when a single accessory is damaged.

Further, in the above technical solution, the cross section of the sliding groove 17 of the tapered wedge 12 is a T-shaped structure, one end of the punching convex die 4 away from the tapered wedge 12 is provided with a cutting edge, and the cross section of one end of the punching convex die 4 located inside the sliding groove 17 is an i-shaped structure;

specifically, one end of the cutting edge of the punching male die 4 can be punched, and the I-shaped end of the punching male die 4 is clamped in the sliding groove 17 of the T-shaped structure, so that the static wedge block 12 can force the punching male die 4 to punch outwards when the floating body moves downwards, and the floating body cannot be separated from the sliding groove 17.

Further, in the above technical solution, the bottom of the base 10 is provided with a rubber block 19;

specifically, the rubber block 19 can force the punching male die 4 to move inwards under the action of the inclined wedge 12 when the ejection device 11 is reset, so that the punched shell is released.

This practical theory of operation:

when the punching machine works, a processed shell is inserted into the shell insertion groove 18 of the convex die holder 7, the punch press sliding block drives the die shank 1 to move downwards, and the top of the shell is in contact with the corresponding plane of the upper support 2; meanwhile, the ejector rod 3 presses the female die base 8 to move downwards; in the descending process of the whole floating body, the punching male die 4 moves outwards under the action of the sliding groove 17 of the T-shaped structure of the wedge block 12 so as to complete the punching of all side holes, then, the sliding block of the punching machine rises back, the floating body moves upwards under the action of the ejection device 11, the punching male die 4 retracts inwards under the action of the sliding groove 17 of the T-shaped structure of the wedge block 12, and finally, the sliding block of the punching machine returns to the upper initial point so as to take out a workpiece.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a shell lateral punching mechanism, includes the last pressure body and floating body and base (10), its characterized in that: the upper pressure body comprises a die handle (1) and an upper support (2), the die handle (1) is fixedly installed at the top center of the upper support (2), the floating body comprises a punch holder (7), a die base (8) and a plurality of punching male dies (4), the punch holder (7) is embedded into the die base (8), a backing plate (13) is installed at the bottom of the die base (8), a through hole (15) is formed in the top center of the punch holder (7), a plurality of guide holes (20) are formed in the side edges of the punch holder (7), the punching male dies (4) are respectively located in the guide holes (20), a shell inserting groove (18) is formed in the top of the punch holder (7), the shell inserting groove (18) is communicated with the guide holes (20), a plurality of punch holder (6) are installed on the outer side of the punch holder (7) outside of the guide holes (20), the die holder (6) is fastened in a pit of the die base (8) by fastening screws (21), a plurality of inclined male die holders (12) are installed at the top of the base (10), a plurality of inclined male die holders (12) are installed at the top center of inclined male die holders (9), and a plurality of inclined male die holders (9) are connected with a plurality of inclined screws (9), the side edges of the base (9), the whole floating body is supported by an ejection device (11) through a limit screw (9), an inclined wedge block (12) penetrates into a convex die holder (7) from a through hole (15), a plurality of sliding grooves (17) are formed in the side face of the inclined wedge block (12), and the one end of a punching convex die (4) is clamped into the sliding grooves (17) and is connected with the sliding grooves in a sliding mode.

2. The lateral chassis punching mechanism of claim 1, wherein: the die comprises a plurality of guide holes (20), wherein a die holder (6) is arranged on the outer side of a male die holder (7) of the guide holes (20), a slotted hole is formed in the side edge of the die holder (6), a die insert sleeve (5) is pressed in the slotted hole, the slotted hole of the die holder (6) and the guide holes (20) are positioned on the same axis, and the die holder (6) is fastened on a die base (8) through screws.

3. The chassis side punching mechanism of claim 1, wherein: the die is characterized in that a pressing ring (14) is sleeved on the outer side of the top of the die holder (6), a central taper hole of the pressing ring (14) is matched with an outer taper surface of the die holder (6), and the pressing ring (14) is fixedly connected with the die base (8) through a plurality of connecting screw rods (16), so that radial compressive stress is applied to the die holder (6).

4. The lateral chassis punching mechanism of claim 3, wherein: a plurality of ejector rods (3) are installed at the bottom of the upper support (2) at equal intervals, when the upper pressing body descends, the ejector rods (3) press the upper plane of the female die base (8), and the upper plane of the female die base (8) is parallel and level with the upper plane of the female die base (6), so that the floating body is forced to descend.

5. The lateral chassis punching mechanism of claim 1, wherein: the bottom of the inclined wedge block (12) is connected with the base (10) through fixing screws, and the female die base (8) is connected with the base plate (13) through the fixing screws.

6. The lateral chassis punching mechanism of claim 1, wherein: the cross section of a sliding groove (17) of the wedge block (12) is of a T-shaped structure, one end, far away from the wedge block (12), of the punching male die (4) is provided with a cutting edge, and the cross section of one end, located inside the sliding groove (17), of the punching male die (4) is of an I-shaped structure.

7. The chassis side punching mechanism of claim 1, wherein: the bottom of the base (10) is provided with a rubber block (19).