CN218638356U

CN218638356U - Integrated punch quick-changing device

Info

Publication number: CN218638356U
Application number: CN202223335647.9U
Authority: CN
Inventors: 黄星文
Original assignee: Shanghai Simyi Auto Parts Industry Co ltd
Current assignee: Shanghai Simyi Auto Parts Industry Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-03-17
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a one-piece punch quick-changing device, which comprises an upper die base (1), a pressure plate (2), a punching female die (7) and a lower die base (8); the upper die base is locked on a sliding block on the machine tool, and the material pressing plate is positioned at the bottom of the upper die base; the punching female die is embedded on the lower die base; the punching head device also comprises a punching head seat (3), a punching head fixing sleeve (4), a locking piece (5) and a punching head (6); the punch seat is locked and attached on the upper die seat, the upper end of the punch fixing sleeve is detachably locked and attached on the punch seat through a locking piece, and the punch fixing sleeve is positioned right above the punching female die; one ends of the plurality of punches are respectively arranged in the punch fixing sleeves, and the other ends of the plurality of punches are respectively aligned with the plurality of hole sites on the punching female die. The utility model discloses can solve among the prior art technical problem that the drift dismouting is inconvenient, need dispose the upper die base and the upper die base of corresponding drift mounting hole and easily warp the damage.

Description

Integrated punch quick-changing device

Technical Field

The utility model relates to a stamping equipment especially relates to an disjunctor formula drift quick change device.

Background

At present, sheet metal such as automobile sheet metal is pressed by a press machine to form a designed shape, and is punched at a designated position. The stamping equipment in the prior art mainly comprises a machine tool, an upper die holder, a pressure plate, a punching female die, a lower die holder, a punch and the like; the material pressing plate moves up and down in a die cavity of the upper die base, the punching female die is embedded on the lower die base, the upper die base is locked on a sliding block on a machine tool, the sliding block drives the upper die base and the material pressing plate to synchronously move downwards when moving downwards, and the material pressing plate firstly contacts with the lower die base and then completes material pressing action; the punch is locked on the upper die base and synchronously moves downwards along with the upper die base, and punching is completed on the plate.

The punch lock of the prior art is attached to the upper die base, so that the punch lock is inconvenient to disassemble, assemble and replace, when different plates exist on the same production line, the plate machining efficiency is low, corresponding punch mounting holes need to be formed in the corresponding punching positions and punching forms on the upper die base, different upper die bases need to be configured for punching requirements of different forms, different sizes and different shapes on the plates, and the machining cost is high. For the plate with the adjacent punching position, the corresponding punch mounting holes on the upper die base are close to each other, so that the upper die base is deformed or even cracked and damaged in the process of downward punching due to local stress concentration at the hole, and the service life of the upper die base is shortened.

Therefore, a need is provided for a one-piece punch quick-change device to solve the technical problems of the prior art that the punch is inconvenient to disassemble and assemble, an upper die base with corresponding punch mounting holes needs to be configured, and the upper die base is easy to deform and damage.

Disclosure of Invention

An object of the utility model is to provide an disjunctor formula drift quick change device can solve prior art well drift dismouting inconvenient, need dispose the upper die base and the easy technical problem that deforms and damage of upper die base of corresponding drift mounting hole.

The utility model discloses a realize like this:

a one-piece punch quick-change device comprises an upper die holder, a pressure plate, a punching female die and a lower die holder; the upper die holder is locked on a sliding block on the machine tool, and the material pressing plate is positioned at the bottom of the upper die holder; the punching female die is embedded on the lower die base;

the integrated punch quick-change device further comprises a punch base, a punch fixing sleeve, a locking piece and a punch; the punch seat is locked and attached on the upper die seat, the upper end of the punch fixing sleeve is detachably locked and attached on the punch seat through a locking piece, and the punch fixing sleeve is positioned right above the punching female die; one ends of the plurality of punches are respectively arranged in the punch fixing sleeves, and the other ends of the plurality of punches are respectively aligned with the plurality of hole sites on the punching female die.

The punch head seat is internally provided with a fixed sleeve mounting hole, so that the upper end of the punch head fixed sleeve can be matched and inserted in the fixed sleeve mounting hole, and the locking part penetrates through and is connected with the punch head seat and the punch head fixed sleeve.

The drift seat in be formed with first locking hole, be formed with second locking hole in the upper end of the fixed cover of drift, when the upper end of the fixed cover of drift was inserted in fixed cover mounting hole, second locking hole aligns with first locking hole, the retaining member connects soon in second locking hole and first locking hole, makes the fixed cover of drift attach on the drift seat through the detachable lock of retaining member.

The punch fixing sleeve is internally provided with a plurality of punch mounting holes, and one ends of a plurality of punches are respectively and correspondingly mounted in the punch mounting holes.

The punch mounting hole and the second locking hole are arranged in a staggered mode, and the axial direction of the punch mounting hole is perpendicular to the axial direction of the second locking hole.

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

1. the utility model discloses owing to be equipped with the fixed cover of drift, install the drift matching in the fixed cover of drift through the drift mounting hole, can be according to the quantity of drift, specification and arrange the corresponding drift mounting hole that sets up in the fixed cover of drift of interval, need not to dispose the drift mounting hole on the upper die base, can avoid the upper die base to concentrate and warp even fracture owing to the local stress that the trompil leads to in the process of punching a hole, also need not to dispose different upper die bases according to the requirement of punching a hole of difference, reduce plate processing cost.

2. The utility model discloses owing to be equipped with the fixed cover of drift and drift seat, drift seat lock attaches on the upper die base, and the fixed cover of drift attaches on the drift seat through the retaining member lock, and the solid change drift and the fixed cover of drift of being convenient for, easy dismounting, swift can improve plate machining efficiency in the assurance board processingquality.

3. The utility model discloses simple structure, it is with low costs, can install on current stamping equipment and use, the life of extension upper die base can use in the plate stamping process that different plates and different punching presses required, has good universality.

Drawings

Fig. 1 is a sectional view of the integrated punch quick-change device of the invention;

fig. 2 is an enlarged schematic view at a in fig. 1.

In the drawing, 1 an upper die holder, 101 an upper die cavity, 2 a pressure plate, 3 a punch holder, 301 a fixing sleeve mounting hole, 302 a first locking hole, 4 a punch fixing sleeve, 401 a second locking hole, 402 a punch mounting hole, 5 a locking member, 6 punches, 7 a punching die and 8 a lower die holder.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to the attached drawing 1, the integrated punch quick-change device comprises an upper die holder 1, a pressure plate 2, a punching female die 7 and a lower die holder 8; the upper die holder 1 is locked on a sliding block (not shown) on a machine tool, an upper die cavity 101 is formed in the upper die holder 1, and the material pressing plate 2 is positioned at the bottom of the upper die holder 1 and movably arranged in the upper die cavity 101; the punching female die 7 is embedded on the lower die holder 8, and the punching female die 7 and the lower die holder 8 are arranged below the pressure plate 2 in a matching mode.

The installation mode and the working principle of the upper die holder 1, the pressure plate 2, the punching female die 7 and the lower die holder 8 on the machine tool of the punching equipment are the same as those of the prior art, and the description is omitted here.

Referring to fig. 1, the integrated punch quick-change device further includes a punch seat 3, a punch fixing sleeve 4, a locking member 5 and a punch 6; the punch holder 3 is locked on the upper die holder 1, the upper end of the punch fixing sleeve 4 is detachably locked on the punch holder 3 through a locking piece 5, and the punch fixing sleeve 4 is positioned right above the punching female die 7; one ends of a plurality of punches 6 are respectively arranged in the punch fixing sleeve 4, and the other ends of the plurality of punches 6 are respectively aligned with a plurality of hole sites on the punching female die 7.

Preferably, drift seat 3, the fixed cover 4 of drift, retaining member 5 and drift 6 all can adopt metal material such as high-strength steel to make, drift seat 3 is used for the lock of drift 6 on upper die base 1 to attach the installation, drift seat 3 can adopt the spiro union, modes such as welding are installed in the appointed position department of punching a hole of upper die base 1, need not to punch on upper die base 1 and install drift 6, avoid reducing the structural strength of upper die base 1, thereby avoided upper die base 1 to appear punching a hole the local deformation of department and even cracked condition emergence, the life of upper die base 1 has been prolonged.

The punch fixing sleeve 4 is used for installing the punches 6 and can be customized according to the number and the specification of the punches 6, and the punches 6 and the punch fixing sleeve 4 can form a connected structure and can be integrally installed and replaced. Different punch fixing sleeves 4 are configured according to different processing requirements, different upper die bases 1 do not need to be configured, and the processing cost is greatly reduced. Meanwhile, stress in the punching process can be dispersed through the punch holder 3 and the punch holder 4, the stress uniformity of the upper die holder 1 is improved, and the punching processing quality and efficiency are guaranteed.

The locking part 5 is used for connecting the punch holder 3 and the punch fixing sleeve 4, and is convenient and quick to detach, and the punch 6 and the punch fixing sleeve 4 can be conveniently and integrally replaced.

Referring to fig. 2, a fixing sleeve mounting hole 301 is formed in the punch holder 3, so that the upper end of the punch fixing sleeve 4 can be inserted into the fixing sleeve mounting hole 301 in a matching manner, and the locking member 5 penetrates through the punch holder 3 and the punch fixing sleeve 4.

Fixed cover mounting hole 301 can be set up according to the shape and the size of the fixed cover of drift 4, and the degree of depth of fixed cover mounting hole 301 is adjustable, guarantees the installation of the fixed cover of drift 4 and punches a hole stably can. The fixing sleeve mounting hole 301 can penetrate through the whole punch seat 3, so that the punch fixing sleeve 4 is tightly pressed against the upper die seat 1.

Referring to fig. 2, a first locking hole 302 is formed in the punch holder 3, a second locking hole 401 is formed in the upper end of the punch retaining sleeve 4, when the upper end of the punch retaining sleeve 4 is inserted into the retaining sleeve mounting hole 301, the second locking hole 401 is aligned with the first locking hole 302, and the locking member 5 is screwed into the second locking hole 401 and the first locking hole 302, so that the punch retaining sleeve 4 is detachably locked on the punch holder 3 through the locking member 5.

Preferably, the locking member 5 can be a bolt, the first locking hole 302 and the second locking hole 401 can be screw holes matched with the bolt, and the rapid connection and detachment of the punch holder 3 and the punch fixing sleeve 4 can be realized through threaded screwing.

Referring to fig. 2, a plurality of punch mounting holes 402 are formed in the punch retaining sleeve 4, and one end of each of the plurality of punches 6 is correspondingly mounted in each of the plurality of punch mounting holes 402.

The number, the aperture and the arrangement distance of the punch mounting holes 402 can be determined according to the number, the specification and the arrangement distance of the punches 6, and the mounting requirements of the punches 6 with smaller distances can be met. In the punching process, the radial force and the axial force received by the punch fixing sleeve 4 are transmitted to the punch seat 3 and then transmitted to the upper die holder 1, so that the punch fixing sleeve 4 can be effectively prevented from deforming or even breaking, and the upper die holder 1 cannot be locally deformed or broken.

Preferably, the upper end mantle fiber of drift 6, drift mounting hole 402 can adopt with 6 assorted screw holes of drift, and drift 6 connects soon through the screw thread and inserts at drift mounting hole 402, utilizes the thread interlock to guarantee the installation of drift 6 and the stability of punching a hole, and drift 6 also can adopt the mode of tongue and groove to be connected with drift mounting hole 402 location, easy dismounting, swift, and the drift 6 of being convenient for is dismantled from the fixed cover 4 of drift. The punch 6 and the punch fixing sleeve 4 are integrally formed, so that the punch 6 and the punch fixing sleeve 4 can be conveniently integrally disassembled, assembled and replaced.

Referring to fig. 2, the punch mounting hole 402 and the second locking hole 401 are arranged in a staggered manner, and the axial direction of the punch mounting hole 402 is perpendicular to the axial direction of the second locking hole 401.

The punch mounting holes 402 are arranged along the punching direction of the punch 6, and are generally vertically arranged, so that the uniform stress and force transmission are ensured. The punch mounting hole 402 may be disposed at the rear side of the punch retainer housing 4, and the second locking hole 401 may be disposed at the front side of the punch retainer housing 4 to prevent interference with each other. The retaining member 5 is laterally and horizontally inserted into the second locking hole 401 and the first locking hole 302, and the retaining member 5 is perpendicular to the punch mounting hole 402 and the punch fixing sleeve 4, so that the lateral locking reliability is ensured, and the stress influence on the punch fixing sleeve 4 and the punch seat 3 is reduced.

Referring to fig. 1 and 2, the method for installing and replacing the punch 6 of the present invention comprises:

the upper end of the punch seat 3 is locked on the upper die holder 1 through bolts and the like, and the punch seat 3 is of a block structure, so that the contact area between the punch seat 3 and the upper die holder 1 is large, the uniform stress of the upper die holder 1 in the punching process is ensured, and the occurrence of local deformation and even breakage is avoided. A fixing sleeve mounting hole 301 matched with the punch fixing sleeve 4 is reserved at the bottom of the punch seat 3.

The punch fixing sleeve 4 can be customized according to the number, specification and other requirements of the punches 6, and a second locking hole 401 matched with the locking piece 5 and a punch mounting hole 402 matched with the punch 6 are reserved in the punch fixing sleeve 4.

According to the punching requirement of a plate to be processed, a proper number and specification of punches 6 are selected, the upper ends of the punches 6 are inserted into punch mounting holes 402 of a punch fixing sleeve 4 and are screwed and fixed, the upper ends of the punch fixing sleeve 4 are inserted into a fixing sleeve mounting hole 301 of a punch seat 3, a first locking hole 302 is aligned with a second locking hole 401 and then screwed into a locking piece 5, the upper ends of the punch fixing sleeve 4 are locked in the punch seat 3 from the side part, and therefore the punches 6 are mounted on an upper die base 1, and the punches 6 move downwards along with the upper die base 1 to complete the punching action.

When the punch 6 needs to be replaced, the locking piece 5 is screwed out of the first locking hole 302 and the second locking hole 401, the punch fixing sleeve 4 is taken down, the corresponding punch 6 and the punch fixing sleeve 4 are replaced, and a new punch fixing sleeve 4 is locked on the punch seat 3 through the locking piece 5.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. A one-piece punch quick-change device comprises an upper die holder (1), a pressure plate (2), a punching female die (7) and a lower die holder (8); the upper die holder (1) is locked on a sliding block on a machine tool, and the material pressing plate (2) is positioned at the bottom of the upper die holder (1); the punching female die (7) is embedded on the lower die holder (8);

the method is characterized in that: the integrated punch quick-change device also comprises a punch seat (3), a punch fixing sleeve (4), a locking piece (5) and a punch (6); the punch holder (3) is locked and attached to the upper die holder (1), the upper end of the punch fixing sleeve (4) is detachably locked and attached to the punch holder (3) through a locking piece (5), and the punch fixing sleeve (4) is located right above the punching female die (7); one ends of a plurality of punches (6) are respectively installed in the punch fixing sleeve (4), and the other ends of the plurality of punches (6) are respectively aligned with a plurality of hole sites on the punching female die (7).

2. The quick-change device for the conjoined punch as claimed in claim 1, wherein: fixed cover mounting hole (301) is formed in punch holder (3), the upper end of the fixed cover of punch (4) can be matched and inserted in fixed cover mounting hole (301), and retaining member (5) runs through and connects punch holder (3) and the fixed cover of punch (4).

3. The quick-change device for the one-piece punch as claimed in claim 2, wherein: punch holder (3) in be formed with first locking hole (302), be formed with second locking hole (401) in the upper end of the fixed cover of punch (4), when the upper end of the fixed cover of punch (4) inserted in fixed cover mounting hole (301), second locking hole (401) aligns with first locking hole (302), retaining member (5) are connect in second locking hole (401) and first locking hole (302) soon, make the fixed cover of punch (4) attach on punch holder (3) through the detachable lock of retaining member (5).

4. The quick-change device for the one-piece punch as claimed in claim 3, wherein: a plurality of punch mounting holes (402) are formed in the punch fixing sleeve (4), and one ends of a plurality of punches (6) are respectively and correspondingly mounted in the punch mounting holes (402).

5. The quick-change device for the one-piece punch as claimed in claim 4, wherein: the punch mounting holes (402) and the second locking holes (401) are arranged in a staggered mode, and the axial direction of the punch mounting holes (402) is perpendicular to the axial direction of the second locking holes (401).