CN211104409U

CN211104409U - Muffler piping punching device

Info

Publication number: CN211104409U
Application number: CN201921025417.8U
Authority: CN
Inventors: 姚新峰; 张志伟; 袁雪红; 周国根
Original assignee: Henan Kelong Refrigeration Technology Co ltd
Current assignee: Henan Kelong Refrigeration Technology Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-07-28
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses a muffler piping punching device, punching device include the bottom plate, and are equipped with guide pillar and another guide pillar on the bottom plate, go up to process on the mould have with both interference fit in hole of guide pin bushing assembly, it is fixed with the die shank through the screw to go up mould central point and put, it has the needle fixed plate that punches a hole through the fix with screw to go up the faying face of mould and the lower bolster that punches a hole, and processes on the needle fixed plate that punches a hole and have the needle fixed slot that punches a hole, the needle that punches a hole respectively through every needle fixed slot that punches a hole and the needle fixed plate interference fit that punches a hole, it is fixed with the bottom plate that the lower bolster that punches a hole passes through the screw, and processes on the lower bolster that punches a hole and have the recess of placeeing the plug that punches. According to the technical scheme, 5 holes can be punched at one time, rapid and efficient drilling is achieved, the center distance of the drilled holes can be guaranteed to be consistent in size, and a solid foundation is provided for mass production of the silencer piping.

Description

Muffler piping punching device

Technical Field

The utility model relates to a muffler piping punching device, the use on the outer machine of specially adapted traditional air conditioner.

Background

Silencer piping of last usefulness of traditional air condensing units, what the bloop on the silencer piping adopted is numerical control car drilling, once only can bore a hole, not only drilling efficiency is low, the centre-to-centre spacing size of drilling is difficult to control moreover, current drilling process has become the bottleneck of silencer piping processing technology, how can big batch, efficient improvement drilling process is the problem that the technical staff in the field used for waiting to solve.

Disclosure of Invention

The utility model aims to provide a high efficiency punches a hole and can mass production, improves production efficiency's a muffler piping punching device.

The utility model discloses a task is accomplished like this, its characterized in that: the punching device comprises a bottom plate, a guide post and another guide post are arranged on the bottom plate, one end of the guide post and one end of the another guide post are in interference fit with the bottom plate, the other end of the guide post and the other end of the another guide post are respectively in sliding fit with a guide sleeve, a hole assembled with the guide sleeve is processed on an upper die in interference fit, the central position of the upper die is fixed with a die shank through a screw, a punching needle fixing plate is fixed on the combining surface of the upper die and a punching lower die plate through a screw, punching needle fixing grooves are processed on the punching needle fixing plate, punching needles are respectively in interference fit with the punching needle fixing plate through each punching needle fixing groove, the punching lower die plate is fixed with the bottom plate through a screw, a groove for placing a punching core rod is processed on the punching lower die plate, punching grooves with the number equal to the number of the punching, and the punching core rod fixing plate is positioned by the diagonal positioning pin and fixed with the bottom plate by the screw. The guide sleeves slide up and down along the guide post and the other guide post under the action of the two guide sleeves. The punching needle fixing plate is provided with at least 5 punching needle fixing grooves which are arranged in rows, the number of the punching grooves processed by the punching needles and the punching core rods is equal to that of the punching needle fixing grooves, the concentricity is guaranteed, and the punching core rods are matched with the grooves in a concentric mode. The positioning groove is machined at one end of the punching core rod, the groove machined at one end of the punching core rod is in sliding fit with the positioning groove of the punching core rod fixing plate machined on the punching core rod fixing plate, and the size of the cavity of the punching core rod is based on the fact that a silencer pipe can be inserted.

The utility model discloses following effect has, this technical scheme can once punch a hole 5, has realized high efficiency drilling, can guarantee moreover that drilling centre-to-centre spacing size is unanimous, and the mass production who has realized the muffler piping provides solid basis.

Drawings

FIG. 1 is a perspective view of a muffler punching apparatus; FIG. 2 is a front view of a punch pin retaining plate; FIG. 3 is a perspective view of FIG. 2; FIG. 4 is a front view of a lower punch template; FIG. 5 is a top view of FIG. 4; FIG. 6 is a perspective view of a punched lower template; FIG. 7 is a front view of a punch mandrel retaining plate; FIG. 8 is a perspective view of a punch mandrel retainer plate; fig. 9 is a perspective view of a piercing mandrel.

Description of the drawings: 1. the punching die comprises a bottom plate, 2, a punching lower template, 3, a punching core rod, 4, a guide pillar, 4-1, another guide pillar, 5, a punching needle, 6, a punching needle fixing plate, 7, an upper die, 8, a punching core rod fixing plate, 9, a guide sleeve, 10, a die shank, 11, a positioning groove, 12, a punching groove, 13, a punching core rod fixing plate positioning groove, 14, a groove, 16 and a punching needle fixing groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, the punching apparatus includes a base plate, a guide post 4 and another guide post 4-1 are mounted on the base plate 1, one end of the guide post and another guide post is in interference fit with the base plate, the other end of the guide post and another guide post is in sliding fit with a guide sleeve 9, a hole assembled with the guide sleeve 9 is formed in an upper die 7, the central position of the upper die is fixed with a die shank 10 by a screw, a punching needle fixing plate 6 is fixed on the joint surface of the upper die and a punching lower die plate 2 by a screw, punching needle fixing grooves 16 are formed in the punching needle fixing plate, a punching needle 5 is in interference fit with the punching needle fixing plate by each punching needle fixing groove, the punching lower die plate 2 is fixed with the base plate by a screw, a groove 14 for placing a punching core rod 3 is formed in the punching lower die plate, and punching grooves 12 equal to the number of the punching needles, and one end of the punching core rod is provided with a positioning groove 11 fixed with the punching core rod fixing plate, and the punching core rod fixing plate 8 is positioned by a diagonal positioning pin and fixed with the bottom plate by a screw.

The guide sleeves 9 slide up and down along the guide post 4 and the other guide post 4-1 under the action of the two guide sleeves.

At least 5 punching needle fixing grooves are processed on the punching needle fixing plate 6 and are arranged in rows, the number 12 of the punching grooves processed by the punching needles and the punching core rods 3 is equal to the number of the punching needle fixing grooves, and the punching core rods 3 and the grooves 14 are concentrically matched to ensure concentricity,

and a positioning groove 11 is formed in one end of the punching core rod 3, a groove formed in one end of the punching core rod is in sliding fit with a positioning groove 13 formed in the punching core rod fixing plate, and the size of the cavity of the punching core rod is based on the fact that a silencer pipe can be inserted.

And starting a power switch of the punching machine, performing idle running for several times to ensure that the equipment is normally in a state, and then closing the power switch of the punching machine to start installing the punching device of the silencer piping.

Install punching device with muffler piping on punch press workstation, through briquetting fixed clamp, simultaneously with last mould subassembly (contain die shank 10, go up mould 7, punch a hole needle fixed plate 6, punch a hole needle 5) through die shank and punch press slider fixed clamp tightly, will wait that the muffler piping that punches a hole inserts in the plug 3 that punches a hole, it is accurate until reaching 8 front ends of plug fixed plate that punches a hole, start punch press switch this moment, start foot switch, the punch press slider drives last mould subassembly and begins the downstream, at first, punch a hole needle 5 begins to contact with the muffler piping that punches a hole, then the slider drives last mould subassembly and continues the downstream, until punching a hole needle 5 punches the muffler piping into bloop (5 holes in a row), the slider drives last mould subassembly and begins the upstream motion, until recovering to the initial position the utility model discloses in, unless there is clear and definite regulation in addition, the term "installation"), The terms "connected," "fixed," and the like are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections and may include connections between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims

1. A muffler piping punching device is characterized in that: the punching device comprises a bottom plate, a guide post and another guide post are arranged on the bottom plate, one end of the guide post and one end of the another guide post are in interference fit with the bottom plate, the other end of the guide post and the other end of the another guide post are respectively in sliding fit with a guide sleeve, a hole assembled with the guide sleeve is processed on an upper die in interference fit, the central position of the upper die is fixed with a die shank through a screw, a punching needle fixing plate is fixed on the combining surface of the upper die and a punching lower die plate through a screw, punching needle fixing grooves are processed on the punching needle fixing plate, punching needles are respectively in interference fit with the punching needle fixing plate through each punching needle fixing groove, the punching lower die plate is fixed with the bottom plate through a screw, a groove for placing a punching core rod is processed on the punching lower die plate, punching grooves with the number equal to the number of the punching, and the punching core rod fixing plate is positioned by the diagonal positioning pin and fixed with the bottom plate by the screw.

2. The muffler pipe punching apparatus according to claim 1, wherein: the guide sleeves slide up and down along the guide post and the other guide post under the action of the two guide sleeves.

3. The muffler pipe punching apparatus according to claim 1, wherein: the punching needle fixing plate is provided with at least 5 punching needle fixing grooves which are arranged in rows, the number of the punching grooves processed by the punching needles and the punching core rods is equal to that of the punching needle fixing grooves, the concentricity is guaranteed, and the punching core rods are matched with the grooves in a concentric mode.

4. The muffler pipe punching apparatus according to claim 1, wherein: the positioning groove is machined at one end of the punching core rod, the groove machined at one end of the punching core rod is in sliding fit with the positioning groove of the punching core rod fixing plate machined on the punching core rod fixing plate, and the size of the cavity of the punching core rod is based on the fact that a silencer pipe can be inserted.