CN208195355U

CN208195355U - A kind of bend pipe blanking units

Info

Publication number: CN208195355U
Application number: CN201820551618.0U
Authority: CN
Inventors: 张九新; 曹进; 卞红; 吴海燕
Original assignee: NANTONG JIANGHUA THERMAL POWER MACHINERY CO Ltd
Current assignee: NANTONG JIANGHUA THERMAL POWER MACHINERY CO Ltd
Priority date: 2018-04-18
Filing date: 2018-04-18
Publication date: 2018-12-07
Anticipated expiration: 2028-04-18

Abstract

The utility model discloses a kind of bend pipe blanking units, realize that the disengaging liquid pipe of heat exchanging device carries out rupturing operation, ensure notch circularity, it and is not in burr, specific structure includes lower template, cope plate, cylinder, cavity plate, puncture mechanism and cutting mechanism, cavity plate is fixed in lower template for placing bend pipe to be cut, it punctures mechanism and is fixed in lower template and be located at the positive rear end of cavity plate, and it punctures mechanism upper end and is fixed with cope plate, cutting mechanism is fixed on cope plate and is located at right above cavity plate, pass through cylinder supports between cope plate and lower template, and it is driven by the cylinder cope plate and moves downward, one notch is pierced out to bend pipe surface so that puncturing mechanism, cutting mechanism carries out integral cutting along notch simultaneously.

Description

A kind of bend pipe blanking units

Technical field

The utility model relates to bend pipe cutter device more particularly to a kind of puncturing machines of heat exchanger liquid in-out bend pipe.

Background technique

In Chrysler RAM5500 Engineering heavy type pickup truck type, since its installation site limits, so that its power turns It can be only installed at bottom to the heat exchanger of system support, this allows for it and pass in and out liquid pipe to be all a bend pipe structure, due to disengaging Liquid pipe is two bend pipes, is usually all that two bend pipes individually carry out Bending Processing, however the length of this two bend pipes is all shorter, So it is not only cumbersome in actual processing, and yield rate is low.

So can be by two bend pipes and in a upper progress Bending Processing, then carrying out cutting makes its separation, most common Cutting form is exactly to be cut using cutting machine, and since bend pipe is fine aluminium round tube, intensity is small, and punching will cause collapses at the top of round tube Fall into, cause lose circle and cause it is subsequent can not assemble, need again full circle just may be used.

A large amount of metal fillings can be generated in cutting edge by being punched simultaneously, and contaminated walls inner cavity needs to increase scavenger before welding Sequence, inefficiency, and pollute.

Utility model content

The purpose of this utility model is to provide a kind of bend pipe blanking units, first form notch on bend pipe surface with push broach, Then it is inserted into notch using the cutter of 90 ° of tips, carries out two sides synchronous cutting, not only ensures circularity, while being not in hair Thorn is conducive to subsequent use.

To achieve the above object, the utility model proposes following technical solutions:

A kind of bend pipe blanking units, including lower template, cope plate, cylinder, cavity plate, puncture mechanism and cutting mechanism, in which:

Cylinder is installed between the upper template and the lower template；

The cavity plate is mounted in lower template, and surface has the die cavity for placing bend pipe to be cut；

The mechanism that punctures is fixed in lower template positioned at cavity plate rear end, including slide, top plate, coulisse, sliding block, cover board And push broach, the slide are fixed with lower template, surface has recessed placing groove, and second sliding slot is equipped in placing groove, described Sliding block is placed in the placing groove, has the third sliding slot penetrated, and third sliding slot is provided with roll sleeve, push broach is mounted on cunning Block front end, cutter head face bend pipe cutting line, the cover board, which is located above sliding block, to be fixed on slide, has the penetrate the 4th to slide Slot, top plate are fixed on cope plate, are fixed on top board undersurface at the top of coulisse, lower end sequentially passes through the 4th sliding slot, third sliding slot And second sliding slot, and there is arc guide barrel on coulisse, the roll sleeve in sliding block is located in arc guide barrel；

The cutting mechanism, which is fixed on cope plate, to be located at right above cavity plate, including the fixed plate installed with cope plate, peace Cutter mounted in fixed plate bottom surface；

Cylinder driving cope plate moves down, and drives coulisse to move down, so that sliding block be pushed to move forward, push broach is on bend pipe surface Notch is formed, while cutter is moved down and cut.

Preferably, the lower template bottom is equipped with backing plate, and surface has in the first sliding groove and slide penetrated Second sliding slot overlapping.

Preferably, the cavity plate is equipped with the cutting groove vertical with die cavity, the cutter head face of the push broach and bayonet is cut Cut slot.

Preferably, the top board undersurface has spring mounting groove, inside is installed with damping spring, corresponding slide surface With spring eye, the lower part of damping spring is placed.

Preferably, top board undersurface is equipped with guide rod, its underpart is interspersed in the guide hole on slide surface.

Preferably, the lower edge of the push broach front end is cut surface, the lower end of cutter is 90 ° of prong structures, and two Side is cut surface.

Preferably, the fixed plate bottom surface is installed with second spring, and second spring bottom is freely hanging.

Compared with prior art, a kind of bend pipe blanking units that the utility model discloses, have the following beneficial effects:

The present bend pipe surface of mechanism that punctures being moved forward and backward is set and forms notch, then the cutting mechanism by moving up and down It is punched out, is gradually disengaged the bend pipe upper half under the action of being punched blade, is then punched It ensure that the circularity of cutting back part, and edge does not have metal fillings, does not need subsequent operation, and high-efficient.

Detailed description of the invention

Fig. 1 is the utility model structure diagram；

Fig. 2 is the partial structural diagram of the utility model；

Fig. 3 is the top view of the utility model lower template；

Fig. 4 is the top view of the utility model groove；

Fig. 5 is the side view of the utility model slide；

Fig. 6 is the top view of the utility model slide；

Fig. 7 is the top view of the utility model sliding block；

Fig. 8 is the top view of the utility model cover board；

Fig. 9 is the schematic diagram of the utility model top plate；

Figure 10 is the schematic diagram of the utility model coulisse.

Specific embodiment

Clear, complete description is carried out below in conjunction with technical solution of the attached drawing to the utility model embodiment.

As shown in Figure 1 and 2, the revealed a kind of bend pipe blanking units of the utility model realize the disengaging oil pipe of heat exchanging device Carry out rupturing operation, it is ensured that notch circularity, and be not in burr, specific structure include lower template 1, cope plate 2, and cylinder 3 is recessed Mould 4 punctures mechanism and cutting mechanism, and cavity plate 4 is fixed in lower template 1 for placing bend pipe 11 to be cut, punctures mechanism It is fixed in lower template and is located at the positive rear end of cavity plate, and puncture mechanism upper end and fixed with cope plate, cutting mechanism is fixed on cope plate Above and it is located at right above cavity plate, by cylinder supports between cope plate and lower template, and is driven by the cylinder cope plate and moves downward, One notch pierced out to bend pipe surface so that puncturing mechanism, while cutting mechanism carries out integral cutting along notch, and lower template It is placed in operating table surface by the backing plate 5 that bottom is installed.

As shown in figure 3,1 surface of lower template, which corresponds to cavity plate, is equipped with mounting hole 6 with the installation site for puncturing mechanism, simultaneously The corresponding position for puncturing mechanism is equipped with the first sliding groove 7 penetrated.

As shown in figure 4, the cavity plate is fixed on lower template side, surface has the die cavity 8 for placing bend pipe, and is located at The cutting groove 9 of perpendicular setting among die cavity, the molding surface also have across fixation hole 10, fixed by fastener It is mounted on the mounting hole of lower template corresponding position.

The mechanism that punctures includes slide 12, top plate 13, coulisse 14, sliding block 15, push broach 16, cover board 17, guide rod 18 and Damping spring 19, wherein slide 12, which is fixed in lower template, is located at cavity plate rear, and sliding block 15 is placed in slide, and top is solid Surely there is cover board 17, push broach is fixed on slip front, the cutting groove on face cavity plate, and top plate is fixed on the lower surface of cope plate 2, and Coulisse is fixed on top board undersurface and passes through cover board and sliding block.

As shown in Fig. 5 ~ 6, the slide, which is fixed in lower template, is located at cavity plate rear, and there is recessed sliding block to put on surface Slot 20 is set, there is the second sliding slot 37 penetrated in placing groove, the slide surface of two sides is symmetrically arranged with cover board fixation hole 21, spring eye 22 and guide hole 23, damping spring bottom be inserted into spring eye 22.

As shown in fig. 7, the sliding block 15 is placed in the placing groove 20 of take-up housing, there is the third sliding slot 24 penetrated, And there is the axis hole penetrated, and axis hole is fitted with fixing axle 25, and rolling is set in fixing axle between the two sidewalls of third sliding slot Set 26.

The push broach 16 is fixed on slip front, the cutting groove 9 on face groove, under the cut surface 27 of the push broach is located at Side, when sliding block moves forward, the cut surface of push broach passes through above bend pipe, to form notch in bend pipe upper surface.

As shown in figure 8, the cover board is mounted on above slide, is installed by fastener and cover board fixation hole, sliding block is limited System is in placing groove, and lid surface has fourth sliding slot 28 Chong Die with third sliding slot on sliding block, and two sides have multiple half Coil spring slot 29, to avoid the damping spring installed on slide.

As shown in figure 9, the top plate is mounted on the cope plate right above slide by fastener, bottom surface has spring Mounting groove 30, four angles are equipped with guide rod mounting grooves 31, and 18 upper end of guide rod is fixed in guide rod mounting grooves 31, and lower end is inserted into cunning In guide hole on seat, the upper end of damping spring 19 is installed in spring mounting groove.

As shown in Figure 10, there is the arc guide groove 32 penetrated on the coulisse, the upper end is fixed on top plate, and under End sequentially passes through the 4th sliding slot 28, third sliding slot 24, second sliding slot 37 and first sliding groove 7, and the roll sleeve installed in third sliding slot In guide groove, while the cambered top end of arc guide groove is located at push broach side.

When cylinder control cope plate pushes, coulisse, which synchronizes, to be moved down, due to the presence of arc guide groove, so that in sliding block Roll sleeve rolled along guide groove, when roll sleeve pass through arc guide groove first bend when, sliding block Forward so that push broach Cut surface passed through above bend pipe, form notch in bend pipe upper surface, when continuing to push by second bend, sliding block contracting It returns, vertical depression is in when the presence of guide rod moves down top plate, and the presence of damping spring buffers lower pressure.

The cutting mechanism includes the fixed plate 33 with cope plate installation, and bottom surface is equipped with the second damping spring 34 and cuts Knife 35, wherein the second damping spring lower end is freely hanging, and the cutting groove on cutter face cavity plate, the lower end of cutter are 90 ° of points Header structure, both sides are cut surface 36, and when cylinder control cope plate pushes, cutter is moved down, and is pierced on bend pipe shape At notch in, and cutting is synchronized by the cut surface of two sides, to cut off bend pipe, when pushing passes through the second damping spring Damping is carried out, lower pressure is buffered.

The revealed bend pipe blanking units of the utility model, its working principle is that: bend pipe is placed in die cavity, and is cut Position face cutting groove, control cylinder move down cope plate gradually, and coulisse, which synchronizes, at this time moves down, due to arc guide groove In the presence of so that sliding block moves forward, the cut surface of push broach passes through from bend pipe above, in bend pipe upper surface formation notch, when continuing to push When, slide retraction, when being moved down due to cope plate, fixed plate is also synchronized and is moved down, by the mounting height for controlling cutter, it can be ensured that Cutter enters notch and is cut after push broach retracts, and whole device realizes the synchronously control of push broach and cutter using one group of cylinder, So that it is guaranteed that going on smoothly for cutting, first punctures the form cut again, it so that it is constant to cut mouth circularity, while being not in burr The problems such as.

The technology contents and technical characteristic of the utility model have revealed that as above, however those skilled in the art still may be used Can teaching based on the utility model and announcement and make various replacements and modification without departing substantially from the spirit of the present invention, therefore, this Utility model protection range should be not limited to the revealed content of embodiment, and should include the various replacements without departing substantially from the utility model And modification, and covered by present patent application claim.

Claims

1. a kind of bend pipe blanking units, it is characterised in that: including lower template, cope plate, cylinder, cavity plate punctures mechanism and cutting Mechanism, in which:

Cylinder is installed between the upper template and the lower template；

It is described puncture mechanism and be fixed in lower template be located at cavity plate rear end, including slide, top plate, coulisse, sliding block cover board and pushes away Knife, the slide are fixed with lower template, and surface has recessed placing groove, are equipped with second sliding slot, the sliding block in placing groove It is placed in the placing groove, there is the third sliding slot penetrated, and third sliding slot is provided with roll sleeve, before push broach is mounted on sliding block End, cutter head face bend pipe cutting line, the cover board, which is located above sliding block, to be fixed on slide, has the 4th sliding slot penetrated, top Plate is fixed on cope plate, is fixed on top board undersurface at the top of coulisse, lower end sequentially passes through the 4th sliding slot, third sliding slot and second Sliding slot, and there is arc guide barrel on coulisse, the roll sleeve in sliding block is located in arc guide barrel；

The cutting mechanism, which is fixed on cope plate, to be located at right above cavity plate, including the fixed plate installed with cope plate, is mounted on The cutter of fixed plate bottom surface；

Cylinder driving cope plate moves down, and drives coulisse to move down, so that sliding block be pushed to move forward, push broach is formed on bend pipe surface Notch, while cutter is moved down and is cut.

2. a kind of bend pipe blanking units according to claim 1, it is characterised in that: the lower template bottom is equipped with pad Plate, and surface has the first sliding groove penetrated Chong Die with the second sliding slot on slide.

3. a kind of bend pipe blanking units according to claim 1, it is characterised in that: the cavity plate is equipped with vertical with die cavity Cutting groove, the cutter head face cutting groove of the push broach and bayonet.

4. a kind of bend pipe blanking units according to claim 1, it is characterised in that: the top board undersurface is installed with spring Slot, inside are installed with damping spring, and corresponding slide surface has spring eye, places the lower part of damping spring.

5. a kind of bend pipe blanking units according to claim 1, it is characterised in that: top board undersurface is equipped with guide rod, under Portion is interspersed in the guide hole on slide surface.

6. a kind of bend pipe blanking units according to claim 1, it is characterised in that: the lower edge of the push broach front end is to cut Face, the lower end of cutter is 90 ° of prong structures, and two sides are cut surface.

7. a kind of bend pipe blanking units according to claim 1, it is characterised in that: the fixed plate bottom surface is installed with second Spring, and second spring bottom is freely hanging.