CN209407170U - A kind of short tube punching machine - Google Patents

Abstract

The utility model discloses a kind of short tube punching machine, including workbench, rewinding bucket, the clamping mold on workbench and the punching mechanism being connected with clamping mold, elastic expansion sleeve is equipped in the positioning hole of clamping mold, workbench is equipped with guide rail, guide rail is equipped with slide plate, slide plate is equipped with limit base and locating piece, the registration that the position of the clip at the both ends to stainless steel short tube is realized by locating piece is consistent, yields is high, by the improvement to elastic expansion sleeve and cutter, so that the smooth complete and effect of the notch of cutter shearing is good；The utility model has the advantages that easy to use and operate, practical, versatility is wide, accuracy is strong and production effect is good.

Description

A kind of short tube punching machine

Technical field

The utility model relates to field of machining, and in particular to a kind of punching machine, especially a kind of short tube punching machine.

Background technique

In Welded Pipe Manufacturing, it is often necessary to be welded to each other some stainless steel tubes, since stainless steel tube body is column Shape, uneven surface, it is necessary to clip processing is carried out to the joint at both ends, it is existing mainly with mechanical single head at present convenient for docking Based on clip, but the punching machine of single head carries out easily causing the clip position at both ends inconsistent when clip, so as to cause welding Difficulty, production efficiency is unstable, therefore the accurate rate for how improving the position of clip is our main problems to be solved.

Utility model content

To solve the above problems, the utility model proposes following technical scheme, a kind of short tube punching machine, packets Include workbench, rewinding bucket, the clamping mold on workbench and the punching mechanism being connected with clamping mold, the workbench It is equipped with sliding slot, slide plate is connected on the sliding slot, limit base and locating piece, the limit is fixedly installed on the slide plate Position seat is equipped with the groove of arc；The clamping mold includes die ontology, which is equipped with location hole, opening and goes out Material mouth, the opening and discharge port are communicated with the location hole, the least significant end of the groove on the limit base and the positioning The least significant end in hole in the same horizontal line, is equipped with elastic expansion sleeve matched with the location hole, the clamping die on the inside of location hole The upper surface of tool is equipped with fixed column；The punching mechanism includes motor, driving wheel, and the biography bar to connect with driving wheel connects with biography bar Knife bar；The outer of the end face of the driving wheel is fixedly installed with connecting pin, and the connecting pin and described one end for passing bar rotate The end of connection, the other end and the knife bar for passing bar is hinged, and the front end of the knife bar is fixedly installed with cutter, the knife Bar is rotatedly connected with the fixed column, and the opening of the clamping mold matches with the cutter shape, and the discharge port is located at The top of the rewinding bucket.

In the preferred embodiment of the utility model, the fixed column is made of fixed link and fixing axle, the fixed link It is 2, is respectively fixedly connected at the both ends of the fixing axle, the knife bar is equipped with connecting hole, and the fixing axle passes through connection Hole and the knife bar are rotatablely connected.

It preferably, is the length of the knife bar with a distance from position of the position of the connecting hole on the knife bar from the cutter A quarter.

Preferably, the diameter of the driving wheel end face is equal to or more than 3 of the diameter of location hole on the clamping mold Times.

Preferably, the end face of the blade of the cutter is inclined plane shape, the angle of the angle of inclined-plane and vertical line be 38 ° extremely 45°。

Preferably, conical socket is equipped among the end face of the blade.

Preferably, the cutter is made of high carbon and chromium tool steel, sturdy and durable, and thermal diffusivity is good.

In the preferred embodiment of the utility model, the elastic expansion sleeve includes expansion set ontology and screw, the expansion set sheet Body is equipped with external groove and inner groovy, and the external groove and inner groovy are arranged alternately, and the expansion set ontology is equipped with through-hole, described Through-hole passes through expansion set ontology, and one end of the through-hole is equipped with the threaded hole to match with the screw, and the through-hole is around the longitudinal axis Line is uniformly distributed, and distance center axis is equidistant.

Preferably, the through-hole number is 2 to 4, and the diameter of the through-hole is greater than the diameter of the threaded hole.

Preferably, the sliding slot is C-shaped channel, and the side of the sliding slot is equipped with the fixed line of rabbet joint, connects below the slide plate There is sliding block, the sliding block and C-shaped channel match, and the side of the sliding block is equipped with fixation hole, and the fixation hole and the fixed line of rabbet joint are high Degree is consistent, when sliding block slides into the position of needs, passes through the line of rabbet joint by screw and connect with fixation hole, it can by the position of sliding block It fixes.

The utility model has the beneficial effects that 1. by adding elastic expansion sleeve, it can when stainless steel short tube carries out clip With one end fixing stainless steel short tube and being sheared steadily, guarantee that stainless steel short tube keeps stabilization not rotate when by clip, It can be very good to guarantee that the port of shearing is smooth, embody the validity of the utility model；By setting guide rail, can be on guide rail The slide plate of sliding and setting are in slide plate upper limit seat and locating piece, after the clip that stainless steel short tube has carried out one end, During the clip for preparing the other end, it can use locating piece and the position of clip be accurately positioned, to guarantee both ends Clip position it is unified consistent, improve the stability of production, greatly reduce disqualification rate, can be guaranteed using limit base The fixation of the tube body of stainless steel short tube, it is motionless with the use of may insure stainless steel short tube during clip and stablize, significantly The accurate rate of clip is improved, yields may be up to 99 points nine percent.

2. knife bar uses lever principle, it is ensured that the uniform force of stainless steel short tube is enough；The end face of blade is using oblique The shape of planar, specific inclined-plane can take different shapes according to the shape difference of wanted clip, and by inclined-plane and square vertically To angle, i.e. inclined angle control is in the range of 38 ° to 45 °, it is ensured that the validity that blade is exerted oneself, can also be into One step improve, set conical indentation shape for the bottom end of blade, make around blade into tip shape, it is ensured that notch it is smooth Stablize so that the process of shearing rushed from traditional planar shape be changed to it is dotted again to linear shearing, compared to traditional punching, no The process of rust steel tube body clip more smoothly facilitates, and is not easy to collapse.

3. the elastic expansion sleeve that the utility model uses, the cylinder knot that expansion set ontology is arranged alternately using external groove and inner groovy Structure, it is simpler practical compared to traditional double-layer structure using inner ring and outer rings, it is swollen by inserting screws into threaded hole realization The expansion deformation of ontology is covered, to generate the outside of the inward pressure to stainless steel tube body and the location hole to clamping mold Pressure increases the frictional force between stainless steel tube body and expansion set ontology and clamping mold location hole, realize to stainless steel Short tube is fixedly clamped.

The utility model have it is easy to use and operate, practical, versatility is wide, accuracy is strong and production effect is good Advantage.

Detailed description of the invention

Fig. 1 is the utility model structure diagram；

Fig. 2 is the enlarged drawing at the utility model A；

Fig. 3 is the side view of the utility model guide rail；

Fig. 4 is the structural schematic diagram of the utility model elastic expansion sleeve；

Fig. 5 is the cross-sectional view of the utility model elastic expansion sleeve；

Fig. 6 is the bottom view and side view of the cutter of the utility model；

Appended drawing reference:

Workbench -1, rewinding bucket -2, clamping mold -3, location hole -301, opening -302, fixed link -303, discharge port - 304, sliding slot -4, the fixed line of rabbet joint -401, slide plate -5, locating piece -501, sliding block -502, fixation hole -503, limit base -6, groove - 601, elastic expansion sleeve -7, expansion set ontology -701, screw -702, external groove -703, inner groovy -704, through-hole -705, threaded hole - 706, motor -8, driving wheel -9 passes bar -10, knife bar -11, cutter -12.

Specific embodiment

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another It is described, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.

It elaborates with reference to the accompanying drawing to specific embodiment of the utility model.

Embodiment 1

As shown in Figure 1, Figure 2 and Fig. 3 shown in, a kind of short tube punching machine, including workbench 1, rewinding bucket 2, be located at workbench 1 on Clamping mold 3 and the punching mechanism that is connected with clamping mold 3, the rewinding bucket 2 be located at the workbench 2 and the clamping The lower section of mold 3, the workbench 1 are equipped with sliding slot 4, and sliding slot 4 and workbench 1 use counter sink and countersunk head fastening screw phase Even, the clamping mold 3 is placed with slide plate 5, the slide plate 5 can be in cunning on the extended line of the sliding slot 4 on the sliding slot 4 It is slided on slot 4, limit base 6 and locating piece 501 is fixedly installed on the slide plate 5, the limit base 6 is equipped with the groove of arc 601, shape of the groove 601 just with the stainless steel short tube for needing clip matches, and the size of the locating piece 7 and needs clip Caliber size it is equal；The clamping mold 3 includes die ontology, which is equipped with location hole 301,302 and of opening Discharge port 304, the opening 302 and discharge port 304 are communicated with the location hole 301, the groove 601 on the limit base 6 Least significant end and the location hole 301 least significant end in the same horizontal line, on the inside of location hole 301 be equipped with and the location hole 301 matched elastic expansion sleeves 7 are equipped with the discharge port to connect with the location hole 301, discharge port below the clamping mold 3 Corresponding with the aperture position of rewinding bucket, discharge port can be set to the upper surface of inclined plane shape or vertical planar, the clamping mold 3 Equipped with fixed column；

The punching mechanism includes motor 8, driving wheel 9, the biography bar 10 to connect with driving wheel 9, the knife to connect with biography bar 10 Bar 11；The output shaft of motor 8 is equipped with belt pulley, and the belt pulley is connected with driving wheel 9 by driving belt.The driving wheel The outer of 9 end face is fixedly installed with connecting pin, and the connecting pin and described one end for passing bar 10 are rotatablely connected, and passing bar 10 can be with As the rotation progress of driving wheel 9 is up and down, the end of the other end and the knife bar 11 for passing bar 10 is hinged, the knife The front end of bar 11 is fixedly installed with cutter 12, and the end face front of the blade of the cutter 12 is divided into arc surfaced, and rear portion is divided into rectangular Dress, integrally takes the form of inclined plane, the knife bar 11 is rotatedly connected with the fixed column, and the opening 302 of the clamping mold 3 is cut with described 12 shape of knife matches, and the discharge port 304 is located at the top of the rewinding bucket 2.

In use, the one end for the stainless steel short tube trimmed will be needed to put on elastic expansion sleeve 7, then together with elastic expansion sleeve 7 It is inserted into the location hole 301 of clamping mold 3, then tightens screw and elastic expansion sleeve 7 is made to expand deformation, it is strongerly fixed Firmly stainless steel short tube restarts motor 8 and driving wheel 9 is driven to rotate, to move upwards with transmission rod 10, then passes through lever The cutter 12 of principle, the front end of knife bar 11 moves downward, and thereby realizes one section of the clip to stainless steel short tube, is cut up Material fallen into rewinding bucket 2 by the discharge port 304 of 3 lower end of clamping mold, close motor 8, after the completion of clip, unscrew spiral shell Nail, elastic expansion sleeve 7 occurs retraction deformation, removes stainless steel short tube, by 7 sets of the elastic expansion sleeve other ends in stainless-steel pipe, then The notch card that stainless steel short tube has sheared is placed on locating piece 501, the tube body of stainless steel short tube, which is taken advantage of a situation, places limit base 6 On, then to the direction moving slide board 5 of clamping mold 3, the other end of stainless steel short tube is inserted into location hole together with elastic expansion sleeve 7 In 301, then screw is tightened, so that elastic expansion sleeve 7 expands deformation, thus stainless steel short tube is accurately secured, is opened Open the clip process that motor 8 carries out the other end.The clip at both ends, which works, in this way completes, and the incision site at both ends is accurate.

Embodiment 2

The present embodiment is to be further improved on the basis of embodiment 1, particularly to the improvement of fixed column, the fixation Column is made of fixed link 303 and fixing axle, and the fixed link 303 is 2, is respectively fixedly connected at the both ends of the fixing axle, Can be using integrally welded, or be fixedly connected using screw, fixed column global shape is set on the knife bar 11 similar to H-type There is connecting hole, the fixing axle passes through connecting hole and the knife bar 11 is rotatablely connected.By using rotation connection, so that knife bar 11 Cutter 12 can be driven to move up and down using driving wheel 9 and biography bar 10 by lever principle well, carry out clip work Make.

Embodiment 3

The present embodiment is to be further improved on the basis of embodiment 1, particularly, described as shown in Fig. 1 and Fig. 6 It is a quarter of the length of the knife bar 11, institute with a distance from position of the position of connecting hole on knife bar 11 from the cutter 12 The diameter for stating driving wheel 9 is equal to or more than 3 times of the diameter of location hole 301 on the clamping mold 3.And cutter 12 is using high The high chromium tool steel of carbon is made, and the end face of the blade of the cutter 12 is inclined plane shape, can be further improved, the end face of the blade Centre be equipped with conical socket, from the side, blade is in an oblique line section, i.e. blade tilts from front to back.Inclined-plane and vertical line Angle, that is, tilt angle be 45 °.In this way to the collision of the shearing not instead of planar of stainless steel tube body, first from dotted shearing Start, can be very good to avoid stainless steel tube body collapsing after stress.

Embodiment 4

The present embodiment is to advanced optimize on the basis of embodiment 1, as shown in Figure 4 and 5, particularly to elasticity The improvement of expansion set, the elastic expansion sleeve 7 include expansion set ontology 701 and screw 702, and the expansion set ontology 701 is equipped with external groove 703 and inner groovy 704, the number of external groove 703 is 2, and the number of inner groovy 704 is 1, and inner groovy 704 is located at external groove Between 703, the diameter of the through-hole 705 is greater than the diameter of the threaded hole 706.The expansion set ontology 701 is equipped with through-hole 705, the number of through-hole 705 is 2, and the through-hole 705 passes axially through expansion set ontology 701, and one end of the through-hole 705 is equipped with The threaded hole 706 that matches with the screw 702, and distance center axis is equidistant.

Embodiment 5

The present embodiment is advanced optimized on the basis of embodiment 4, as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 institute Show, a kind of short tube punching machine, including workbench 1, rewinding bucket 2, the clamping mold 3 on workbench 1 and with clamping mold 3 Connected punching mechanism, the rewinding bucket 2 are located at the lower section of the workbench 2 and the clamping mold 3, on the workbench 1 Equipped with sliding slot 4, guide rail 1 is connected using counter sink with countersunk head fastening screw with workbench 2, the position of the sliding slot 4 and clamping mold 3 It sets point-blank, the sliding slot 4 is C-shaped channel, and the side of the sliding slot 4, which is equipped with, fixes the line of rabbet joint 401, under the slide plate 5 Face is connected with sliding block 502, and slide plate 5 can be used counter sink with sliding block 502 and connect with countersunk head fastening screw or using whole one Molding, the sliding block 502 and C-shaped channel match, and the side of the sliding block 502 is equipped with fixation hole 503,503 He of fixation hole Fixed 401 height of the line of rabbet joint is consistent, after sliding block 502 slides into the position of needs in C-shaped channel, passes through the fixed line of rabbet joint by bolt 401 connect with fixation hole 503, play the effect that the position of sliding block 502 and slide plate 5 is fixed.

Limit base 6 and locating piece 501 are fixedly installed on the slide plate 5, the limit base 6 is 2, the limit base 6 It is equipped with the groove 601 of arc, shape of the groove 601 just with the stainless steel short tube for needing clip matches, the locating piece 7 Size it is equal with the caliber size of clip is needed；

The clamping mold 3 includes die ontology, which is equipped with location hole 301, opening 302 and discharge port 304, it is described opening 302 and discharge port 304 communicated with the location hole 301, the groove 601 on the limit base 6 it is minimum The least significant end of end and the location hole 301 is equipped with mating with the location hole 301 in the same horizontal line, on the inside of location hole 301 Elastic expansion sleeve 7, the elastic expansion sleeve 7 include expansion set ontology 701 and screw 702, the expansion set ontology 701 be equipped with external groove 703 and inner groovy 704, the number of external groove 703 is 3, and the number of inner groovy 704 is 2, the external groove 703 and indent Slot 704 is arranged alternately, and the expansion set ontology 701 is equipped with through-hole 705, and the through-hole 705 passes through expansion set ontology 701, described logical The one end in hole 705 is equipped with the threaded hole 706 to match with the screw 702, and the diameter of the through-hole 705 is greater than the threaded hole 706 diameter.The number of the through-hole 705 is 4, and the through-hole 705 is uniformly distributed around longitudinal axis, and distance center axis Be equidistant；

The punching mechanism includes motor 8, driving wheel 9, the biography bar 10 to connect with driving wheel 9, the knife to connect with biography bar 10 Bar 11；The output shaft of motor 8 is equipped with belt pulley, and the belt pulley is connect with driving wheel 9 by driving belt.The driving wheel The outer of 9 end face is fixedly installed with connecting pin, and the connecting pin and described one end for passing bar 10 are rotatablely connected, and passing bar 10 can be with As the rotation progress of driving wheel 9 is up and down, the end of the other end and the knife bar 11 for passing bar 10 is hinged, the knife The front end of bar 11 is fixedly installed with cutter 12, and the opening 302 of the clamping mold 3 matches with 12 shape of cutter, described Discharge port 304 is located at the top of the rewinding bucket 2.

The end face of the blade of the cutter 12 is inclined plane shape, and the shape on inclined-plane is that front is divided into arc surfaced, the rear portion side of being divided into Shape can be further improved, and the centre on inclined-plane is equipped with conical socket, and from the side, blade is in an oblique line section, inclined-plane and vertical Angle, that is, tilt angle of line is 38 °, it is ensured that the area of stress during downward clip of cutter 12 is smaller, so that short tube Tube body be not easy to collapse.

The upper surface of described clamping mold 3 is equipped with fixed column, and the fixed column is made of fixed link 303 and fixing axle, described Fixed link 303 is 2, is respectively fixedly connected at the both ends of the fixing axle, can be using integrally welded, or uses screw Be fixedly connected, for fixed column global shape similar to H-type, the knife bar 11 is equipped with connecting hole, the fixing axle pass through connecting hole with The knife bar 11 is rotatablely connected.By using rotation connection, allow knife bar 11 by lever principle, utilizes transmission well Wheel 9 and biography bar 10 drive cutter to move up and down, and carry out clip work.

The utility model have it is easy to use and operate, practical, versatility is wide, accuracy is strong and production effect is good The advantages of.

Above-described embodiment only describes the optimal usage mode of existing equipment, and similar conventional machinery means is used to replace this reality The combination for applying element or above-mentioned technical proposal in example each falls within protection scope.

Claims (10)

1. a kind of short tube punching machine, including workbench (1), rewinding bucket (2), the clamping mold (3) being located on workbench (1) and The punching mechanism being connected with clamping mold (3), the rewinding bucket (2) are located at the workbench (1) and the clamping mold (3) Lower section, it is characterised in that: the workbench (1) is equipped with sliding slot (4), is connected with slide plate (5), institute on the sliding slot (4) It states and is fixedly installed with limit base (6) and locating piece (501) on slide plate (5), the limit base (6) is equipped with the groove of arc (601)；The clamping mold (3) includes die ontology, which is equipped with location hole (301), opening (302) and discharges Mouth (304), the opening (302) and discharge port (304) are communicated with the location hole (301), recessed on the limit base (6) The least significant end of slot (601) and the least significant end of the location hole (301) be equipped in the same horizontal line, on the inside of location hole (301) with The matched elastic expansion sleeve (7) of the location hole (301), the upper surface of described clamping mold (3) are equipped with fixed column；The punching mechanism Including motor (8), driving wheel (9), the biography bar (10) to connect with driving wheel (9), the knife bar (11) to connect with biography bar (10)；It is described The outer of the end face of driving wheel (9) is fixedly installed with connecting pin, and the connecting pin and described one end for passing bar (10) are rotatablely connected, The end of the other end and the knife bar (11) for passing bar (10) is hinged, and the front end of the knife bar (11) is fixedly installed with cutter (12), the knife bar (11) is rotatedly connected with the fixed column, the opening (302) of the clamping mold (3) and the cutter (12) shape matches, and the discharge port (304) is located at the top of the rewinding bucket (2).

2. a kind of short tube punching machine according to claim 1, it is characterised in that: the fixed column by fixed link (303) and Fixing axle is constituted, and the fixed link (303) is 2, is respectively fixedly connected on the both ends of the fixing axle, the knife bar (11) Equipped with connecting hole, the fixing axle passes through connecting hole and the knife bar (11) are rotatablely connected.

3. a kind of short tube punching machine according to claim 2, it is characterised in that: the position of the connecting hole on the knife bar (11) Set a quarter of the length with a distance from the position from the cutter (12) for the knife bar (11).

4. a kind of short tube punching machine according to claim 3, it is characterised in that: the diameter etc. of driving wheel (9) end face In or be greater than 3 times of diameter of location hole (301) on the clamping mold (3).

5. a kind of short tube punching machine according to claim 1, it is characterised in that: the end face of the blade of the cutter (12) is The angle of the angle of inclined plane shape, inclined-plane and vertical direction is 38 ° to 45 °.

6. a kind of short tube punching machine according to claim 5, it is characterised in that: be equipped with taper among the end face of the blade Groove.

7. a kind of short tube punching machine according to claim 1, it is characterised in that: the cutter (12) uses high carbon and chromium work Tool steel is made.

8. a kind of short tube punching machine according to claim 1, it is characterised in that: the elastic expansion sleeve (7) includes expansion set sheet Body (701) and screw (702), the expansion set ontology (701) are equipped with external groove (703) and inner groovy (704), the external groove (703) it is arranged alternately with inner groovy (704), the expansion set ontology (701) is equipped with through-hole (705), and the through-hole (705) is along axis To expansion set ontology (701) are passed through, one end of the through-hole (705) is equipped with the threaded hole to match with the screw (702) (706), being equidistant and apart from expansion set ontology (701) central axis.

9. a kind of short tube punching machine according to claim 8, it is characterised in that: the number of the through-hole (705) is 2 to 4 A, the diameter of the through-hole (705) is greater than the diameter of the threaded hole (706).

10. a kind of short tube punching machine described in any one according to claim 1~9, it is characterised in that: the sliding slot (4) is C The side of type groove, the sliding slot (4) is equipped with fixed the line of rabbet joint (401), is connected with sliding block (502) below the slide plate (5), described Sliding block (502) and C-shaped channel match, and the side of the sliding block (502) is equipped with fixation hole (503), the fixation hole (503) and consolidate It is consistent to determine the line of rabbet joint (401) height.