CN203426241U - Coreless punching equipment - Google Patents

Coreless punching equipment Download PDF

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Publication number
CN203426241U
CN203426241U CN201320534768.8U CN201320534768U CN203426241U CN 203426241 U CN203426241 U CN 203426241U CN 201320534768 U CN201320534768 U CN 201320534768U CN 203426241 U CN203426241 U CN 203426241U
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CN
China
Prior art keywords
punching
red needle
hydraulic cylinder
fixed
piston rod
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Active
Application number
CN201320534768.8U
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Chinese (zh)
Inventor
陈明泽
李义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing City Grand Vertical Motorcycle Manufacturing Co Ltd
Original Assignee
Chongqing City Grand Vertical Motorcycle Manufacturing Co Ltd
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Application filed by Chongqing City Grand Vertical Motorcycle Manufacturing Co Ltd filed Critical Chongqing City Grand Vertical Motorcycle Manufacturing Co Ltd
Priority to CN201320534768.8U priority Critical patent/CN203426241U/en
Application granted granted Critical
Publication of CN203426241U publication Critical patent/CN203426241U/en
Active legal-status Critical Current
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Abstract

The utility model discloses coreless punching equipment. A horizontal plate is arranged at the top of a support, a hydraulic cylinder is vertically installed on the horizontal plate and the stroke of a piston rod of the hydraulic cylinder is controlled through a stroke control assembly. The lower end of the piston rod of the hydraulic cylinder is provided with a buffer gasket and a punching pin through a connecting assembly. The punching pin is installed inside the buffer gasket, a workpiece locating disk is fixedly installed on a base under the punching pin, an annular locating groove is formed in the outer circumferential face of the workpiece locating disk in the circumferential direction, the cross section of the annular locating groove is of a V-shaped structure and the central line of the cross section of the annular locating groove and the axis of the punching pin are located on the same straight line. A pointed punching portion is formed at the lower end of the punching pin by cutting a concave arc face, the upper end of the arc face is connected with one side of the outer circumferential face of the punching pin, and the lower end of the arc face is connected with the other side of the outer circumferential face of the punching pin. The coreless punching equipment can be used for punching irregular pipes or long pipes, scrap iron cannot be produced during punching and the defects of traditional drilling and cored punching can be well avoided.

Description

Centreless punching apparatus
Technical field
The utility model belongs to punching field, specifically, relates in particular to a kind of centreless punching apparatus.
Background technology
In machine-building process, usually need to punching on pipe fitting.At present, generally adopt bench drill to hole, adopting the iron filings that produce while holing in this way can be in pipe fitting residual boring, while causing pipe fitting work, produce abnormal sound.In addition, sometimes also adopt the mode of punching to carry out machining hole, but this mode can only be on short regular pipeline machining hole, for long tube or special pipe, cannot process, and add man-hour requirement at the in-built fuse that plays liner effect of pipe fitting.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of centreless punching apparatus, wants punching on special pipe, and can be in pipe fitting residual scrap iron.
The technical solution of the utility model is as follows: a kind of centreless punching apparatus, comprise support (1) and base (6), its medium-height trestle (1) top is provided with a level board (2), a hydraulic cylinder (3) is vertically installed on level board, and the stroke that this hydraulic cylinder piston rod moves up and down is controlled by Stroke Control assembly, a buffer gasket (4) and red needle (5) are equipped with by coupling assembling in the lower end of described hydraulic cylinder (3) piston rod, wherein red needle (5) is vertical setting, and red needle (5) is contained in buffer gasket (4) simultaneously, it is characterized in that: on the base (6) under described red needle (5), be installed with a workpiece positioning disk (7), periphery edge at workpiece positioning disk circumferentially has an annular positioning groove (7a), the cross section of this annular positioning groove is V-structure, and the center line of annular positioning groove (7a) cross section and the axial line of red needle (5) are on same straight line, described red needle (5) lower end forms pointed pressing part by cutting the arc surface (5a) of an indent, and the upper end of this arc surface is connected with a side of red needle (5) periphery, and the lower end of arc surface (5a) is connected with the opposite side of red needle (5) periphery.
The utility model improves on traditional arc-punching machine basis, concrete improvements have following 2 points: first, on base (6) under described red needle (5), be installed with a workpiece positioning disk (7), periphery edge at workpiece positioning disk circumferentially has an annular positioning groove (7a), the cross section of this annular positioning groove is V-structure, and the center line of annular positioning groove (7a) cross section and the axial line of red needle (5) are on same straight line;
The second, described red needle (5) lower end forms pointed pressing part by cutting the arc surface (5a) of an indent, and the upper end of this arc surface is connected with a side of red needle (5) periphery, and the lower end of arc surface (5a) is connected with the opposite side of red needle (5) periphery.
Before punching, first special pipe (G) is placed in the annular positioning groove (7a) of workpiece positioning disk (7), and the cell wall of the outer wall of special pipe and annular positioning groove (7a) is adjacent to, and has good positioning; During punching, utilize the pointed portion punching of red needle (5), red needle (5) punctures on the outer wall of special pipe, leaves hole to be processed on the tube wall of red needle (5), and can not produce iron filings.
Adopt above technical scheme, the utility model can punching on special pipe or long tube, and can not produce iron filings during punching, avoided well conventional borehole and the defect that has core punching, of the present utility model simple in structure, transformation easily, there is good practicality, be suitable for extensively promoting the use.
In this case, in described coupling assembling, contain ring flange (8), the bottom surface of the end face of this ring flange and described hydraulic cylinder (3) piston rod is fixed, and the bottom surface of ring flange (8) is fixed with connecting plate (9), location-plate (10) and installing plate (11) from top to bottom successively, and described buffer gasket (4) is fixed on the bottom surface of installing plate (11).
In the utility model, described Stroke Control assembly consists of travel switch (12) and sensor block (13), and wherein travel switch (12) is installed in described location-plate (10) right part; Described sensor block (13) matches with travel switch (12), and its number is two, and these two sensor blocks (13) are up and down and are arranged side by side, and two sensor blocks (13) are all fixed on the right part of described support (1) by mounting blocks (14).
Adopt above structure, can by travel switch (12) and sensor block (13) cooperatively interact to control the stroke that hydraulic cylinder (3) piston rod moves up and down, and then control the stroke that red needle (5) moves up and down, to complete well punch work.And this Stroke Control modular construction is simple, buying is convenient, easy to implement.
In this case, described workpiece positioning disk (7) is fixed on base (6) by cushion block (15).
Beneficial effect: the utility model can punching on special pipe or long tube, and can not produce iron filings during punching, has avoided well conventional borehole and has had the defect of core punching, of the present utility model simple in structure, transformation easily, has good practicality, is suitable for extensively promoting the use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the side view of Fig. 1.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, 2, a kind of centreless punching apparatus, originally be arranged on existing arc-punching machine basis and improve, this arc-punching machine mainly consists of support 1, level board 2, hydraulic cylinder 3, buffer gasket 4, red needle 5, base 6, workpiece positioning disk 7, Control Component and coupling assembling.Wherein, the top of described support 1 is provided with a level board 2, and a hydraulic cylinder 3 is vertically installed on level board 2, and the stroke that these hydraulic cylinder 2 piston rods move up and down is controlled by Stroke Control assembly.In this case, described Stroke Control assembly consists of travel switch 12 and sensor block 13, and wherein travel switch 12 is installed in described location-plate 10 right parts.Described sensor block 13 matches with travel switch 12, and its number is two, and these two sensor blocks 13 are up and down and are arranged side by side, and two sensor blocks 13 are all fixed on the right part of described support 1 by mounting blocks 14.
A buffer gasket 4 and red needle 5 are equipped with by coupling assembling in the lower end of described hydraulic cylinder 3 piston rods, and wherein red needle 5 is vertical setting, and red needle 5 is contained in buffer gasket 4 simultaneously.In the present embodiment, described coupling assembling comprises ring flange 8 and installing plate 11, and wherein the bottom surface of the end face of ring flange 8 and described hydraulic cylinder 3 piston rods is fixed.And the bottom surface of above-mentioned ring flange 8 is fixed with connecting plate 9, location-plate 10 and installing plate 11 from top to bottom successively, and described buffer gasket 4 is fixed on the bottom surface of installing plate 11.
As improvement of the present utility model, on the base 6 under described red needle 5, be installed with a workpiece positioning disk 7, this workpiece positioning disk 7 is fixed on base 6 by cushion block 15.At the periphery of described workpiece positioning disk 7, along circumferentially having an annular positioning groove 7a, the cross section of this annular positioning groove 7a is V-structure, and the center line of annular positioning groove 7a cross section and the axial line of red needle 5 are on same straight line.
Described red needle 5 lower ends form pointed pressing part by cutting the arc surface 5a of an indent, and the curvature of this arc surface 5a is larger, and the upper end of arc surface 5a is connected with a side of red needle 5 peripheries, and the lower end of arc surface 5a is connected with the opposite side of red needle 5 peripheries.
The foregoing is only preferred embodiment of the present utility model; not take the utility model as restriction; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (4)

1. a centreless punching apparatus, comprise support (1) and base (6), its medium-height trestle (1) top is provided with a level board (2), and a hydraulic cylinder (3) is vertically installed on level board, and the stroke that this hydraulic cylinder piston rod moves up and down is controlled by Stroke Control assembly, a buffer gasket (4) and red needle (5) are equipped with by coupling assembling in the lower end of described hydraulic cylinder (3) piston rod, wherein red needle (5) is vertical setting, and red needle (5) is contained in buffer gasket (4) simultaneously, it is characterized in that: on the base (6) under described red needle (5), be installed with a workpiece positioning disk (7), periphery edge at workpiece positioning disk circumferentially has an annular positioning groove (7a), the cross section of this annular positioning groove is V-structure, and the center line of annular positioning groove (7a) cross section and the axial line of red needle (5) are on same straight line, described red needle (5) lower end forms pointed pressing part by cutting the arc surface (5a) of an indent, and the upper end of this arc surface is connected with a side of red needle (5) periphery, and the lower end of arc surface (5a) is connected with the opposite side of red needle (5) periphery.
2. centreless punching apparatus according to claim 1, it is characterized in that: in described coupling assembling, contain ring flange (8), the bottom surface of the end face of this ring flange and described hydraulic cylinder (3) piston rod is fixed, and the bottom surface of ring flange (8) is fixed with connecting plate (9), location-plate (10) and installing plate (11) from top to bottom successively, and described buffer gasket (4) is fixed on the bottom surface of installing plate (11).
3. centreless punching apparatus according to claim 2, is characterized in that: described Stroke Control assembly consists of travel switch (12) and sensor block (13), and wherein travel switch (12) is installed in described location-plate (10) right part; Described sensor block (13) matches with travel switch (12), and its number is two, and these two sensor blocks (13) are up and down and are arranged side by side, and two sensor blocks (13) are all fixed on the right part of described support (1) by mounting blocks (14).
4. centreless punching apparatus according to claim 1, is characterized in that: described workpiece positioning disk (7) is fixed on base (6) by cushion block (15).
CN201320534768.8U 2013-08-30 2013-08-30 Coreless punching equipment Active CN203426241U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320534768.8U CN203426241U (en) 2013-08-30 2013-08-30 Coreless punching equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320534768.8U CN203426241U (en) 2013-08-30 2013-08-30 Coreless punching equipment

Publications (1)

Publication Number Publication Date
CN203426241U true CN203426241U (en) 2014-02-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320534768.8U Active CN203426241U (en) 2013-08-30 2013-08-30 Coreless punching equipment

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CN (1) CN203426241U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104227070A (en) * 2014-08-20 2014-12-24 成都市龙泉通惠实业有限责任公司 Novel device for machining back shroud for automobile clutch
CN104289740A (en) * 2014-08-20 2015-01-21 成都市龙泉通惠实业有限责任公司 Device for machining rear cover plate
CN104525700A (en) * 2015-01-04 2015-04-22 安徽华夏显示技术股份有限公司 Ultraviolet light sensitive tube electrode punching tool
CN106345891A (en) * 2016-08-26 2017-01-25 天津市金轮天大数控机床有限公司 Preparing method for punching and perforating device of pipe fitting

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104227070A (en) * 2014-08-20 2014-12-24 成都市龙泉通惠实业有限责任公司 Novel device for machining back shroud for automobile clutch
CN104289740A (en) * 2014-08-20 2015-01-21 成都市龙泉通惠实业有限责任公司 Device for machining rear cover plate
CN104525700A (en) * 2015-01-04 2015-04-22 安徽华夏显示技术股份有限公司 Ultraviolet light sensitive tube electrode punching tool
CN106345891A (en) * 2016-08-26 2017-01-25 天津市金轮天大数控机床有限公司 Preparing method for punching and perforating device of pipe fitting

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