CN210387009U

CN210387009U - Aluminum alloy pipe fitting die capable of eliminating joint line

Info

Publication number: CN210387009U
Application number: CN201920844317.1U
Authority: CN
Inventors: 黄国享
Original assignee: Taicang Shengda Machinery Co ltd
Current assignee: Taicang Shengda Machinery Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-24
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses an eliminate aluminum alloy pipe fitting mould of joint line belongs to aluminum alloy pipe fitting mould field, it includes mould and lower mould, first setting groove has been seted up to the lower surface of last mould, the second setting groove has been seted up to the upper surface of lower mould, aluminum alloy pipe fitting places in second setting groove, go up the one side fixedly connected with gap eliminating device that mould and lower mould are close to relatively, gap eliminating device sets up along aluminum alloy pipe fitting's length direction, the groove of stepping down has all been seted up with last lower surface contact department in first setting groove and second setting groove and the lower mould upper surface contact department, gap eliminating device passes the groove of stepping down and laminates with aluminum alloy pipe fitting lateral wall, gap eliminating device's thickness equals with the groove depth sum in two grooves of stepping down. The utility model discloses have and mould and lower mould when finalizing the design to aluminum alloy pipe fitting man-hour, eliminate the production of joint line, thereby reduce because of the increase that grinds the joint line and lead to the time cost and improve the condition of disability rate, reduce the effect of production loss.

Description

Aluminum alloy pipe fitting die capable of eliminating joint line

Technical Field

The utility model relates to an aluminum alloy pipe fitting mould field, in particular to eliminate aluminum alloy pipe fitting mould of joint line.

Background

The mould is a tool for manufacturing a molded article, the shape of the article is processed mainly by changing the physical state of a molded material, and a blank is made into a product with a specific shape and a specific size under the action of external force. The die is generally composed of an upper die and a lower die, and the upper die and the lower die press the pipe material into various shapes by the pressure of a hydraulic press. As shown in the attached figure 1 in the specification, a schematic diagram of an aluminum alloy pipe formed by die machining is shown.

The above prior art has the following disadvantages: if the sizes of the pipe and the die are not calculated during production, the aluminum alloy product is extruded from the upper die and the lower die due to extrusion, and unnecessary and sharp edges are generated, which are called joint lines. The subsequent grinding of the moulding line is required to ensure the product quality, thereby increasing the time cost of production; meanwhile, the situation of inevitable errors exists in the process of grinding the mold clamping line, so that the rejection rate of finished products is improved by 10%, the production loss is increased, and the problem needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an eliminate aluminum alloy pipe fitting mould of joint line has and is being stereotyped man-hour with the lower mould at last mould, eliminates the production of joint line, thereby reduces because of the increase that grinds the joint line and lead to the time cost and improve the condition of disability rate, reduces the effect of production loss.

An aluminum alloy pipe fitting die for eliminating a joint line comprises an upper die and a lower die, wherein a first shaping groove is formed in the lower surface of the upper die, a second shaping groove is formed in the upper surface of the lower die, an aluminum alloy pipe fitting is placed in the second shaping groove, and when the lower surface of the upper die is abutted to the upper surface of the lower die, the first shaping groove and the second shaping groove are mutually spliced;

the aluminum alloy pipe fitting anti-backlash device comprises an upper die, a lower die and a lower die, wherein the upper die and the lower die are relatively close to each other, the anti-backlash device is fixedly connected to one side of the upper die, which is relatively close to the lower die, and arranged along the length direction of the aluminum alloy pipe fitting, the contact part of a first fixing groove and the lower surface of the upper die and the contact part of a second fixing groove and the upper surface of the lower die are both provided with a yielding groove, the anti-backlash device penetrates the yielding groove and is attached to the side wall of the aluminum.

The utility model discloses further set up to: the lower mould is located the both sides of second constant head tank and has seted up two mounting grooves, the gap eliminating device includes connecting portion and gap eliminating portion, the gap eliminating portion is located the inslot that steps down, connecting portion are including the installation piece and the counterpoint piece that set up from top to bottom, the installation piece inlays to be established in the mounting groove, the lower surface of going up the mould set up with the counterpoint groove of counterpoint piece adaptation.

The utility model discloses further set up to: a wedge-shaped surface is formed between the top wall of the alignment block and the side wall in the length direction, and when the alignment block is embedded in the alignment groove, the wedge-shaped surface is attached to the bottom of the alignment groove.

The utility model discloses further set up to: the equal integrated into one piece in installation piece perpendicular to length direction's both sides has the stopper, the spacing groove that supplies the stopper embedding is seted up at the both ends of mounting groove.

The utility model discloses further set up to: and splicing blocks extend downwards from two side walls in the length direction of the upper die, and a splicing groove matched with the splicing blocks is formed in the lower die.

The utility model discloses further set up to: waist-shaped mounting holes are formed in the two sides of the upper die and the lower die in the length direction along the length direction.

The utility model discloses further set up to: a plurality of screw holes are formed in the mounting block.

Install the gap eliminating device in two mounting grooves, the gap eliminating position of gap eliminating device is located the inslot that steps down, will go up mould and lower mould and install on the punching machine, place the aluminum alloy pipe fitting in second setting groove, start the hydraulic press and make the mould move towards the lower mould, first constant head tank extrudees the design with the second constant head tank amalgamation to the aluminum alloy pipe fitting, the counterpoint piece of gap eliminating device inlays and establishes in the counterpoint inslot, the gap eliminating portion of gap eliminating device and the both sides laminating of aluminum alloy pipe fitting, can effectively eliminate because the space of going up mould and this piece of lower mould leads to the condition of joint line, thereby reduce because the possibility that the removal leads to manufacturing cost to increase.

To sum up, the utility model discloses following beneficial effect has:

1. the gap eliminating device is fixedly connected between the upper die and the lower die and is attached to the aluminum alloy pipe fitting, so that a joint line is eliminated when the upper die and the lower die are closed;

2. the lower die is fixedly arranged on the punching machine, so that the weight of the upper die is effectively reduced;

3. through the wedge face of connection between counterpoint piece roof and length direction lateral wall, increase the area of contact of counterpoint groove and counterpoint piece, further eliminate the gap between mould and the lower mould.

Drawings

FIG. 1 is a schematic structural view for embodying an aluminum alloy pipe; .

Fig. 2 is a schematic structural view for embodying the entirety of the upper die and the lower die in the present invention;

FIG. 3 is a schematic cross-sectional view of the gap eliminating device of the present invention, showing the connection relationship between the gap eliminating device and the upper and lower dies;

FIG. 4 is a schematic structural view of the middle and lower dies of the present invention;

fig. 5 is a schematic structural diagram of one of the gap eliminating devices according to the present invention;

fig. 6 is a schematic structural diagram of another gap eliminating device according to the present invention.

In the figure, 1, a lower die; 11. a first fixing groove; 12. mounting grooves; 121. a limiting groove; 13. splicing grooves; 14. a kidney-shaped mounting hole; 2. an upper die; 21. a second fixed groove; 22. a yielding groove; 23. a positioning groove; 24. splicing blocks; 3. a backlash eliminating device; 31. a gap eliminating part; 32. a connecting portion; 321. mounting blocks; 322. a positioning block; 323. a wedge-shaped surface; 33. the limiting is fast; 34. a screw hole; 4. an aluminum alloy pipe fitting.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also regarded as the scope of the present invention without substantial changes in the technical content.

Example (b):

as shown in fig. 2 and 3, for the utility model relates to an eliminate aluminum alloy pipe fitting mould of joint line, including installing last mould 2 and lower mould 1 on the punching machine, first setting groove 11 has been seted up to the lower surface of last mould 2, and second setting groove 21 has been seted up to the upper surface of lower mould 1, and the cell wall of first setting groove 11 and second setting groove 21 all laminates with the aluminum alloy pipe wall everywhere. And (3) placing the aluminum alloy pipe fitting 4 in the second shaping groove 21, enabling the upper die 2 to move downwards through an oil press, and enabling the first shaping groove 11 and the second shaping groove 21 to be mutually spliced to extrude and shape the aluminum alloy pipe fitting 4.

As shown in fig. 3 and 4, two mounting grooves 12 are formed in the two sides of the lower die 1, which are located at the second positioning groove, the gap eliminating device 3 is fixedly mounted in the mounting grooves 12, and the mounting grooves 12 are formed along the length direction of the second positioning groove. Gap eliminating device 3 includes connecting portion 32 and gap eliminating portion 31, goes up mould 2 and is located mounting groove 12 and has seted up counterpoint groove 23 directly over, and connecting portion 32 includes installation piece 321 and counterpoint piece 322, and installation piece 321 inlays and establishes in mounting groove 12, and when first setting groove 11 and the amalgamation of second setting groove 21, counterpoint piece 322 inlays and establishes in counterpoint groove 23. The groove of stepping down 22 has all been seted up between alignment groove 23 and the first fixed slot 11 and between spread groove and the second fixed slot 21, the groove of stepping down 22 communicates with first fixed slot 11 and the 21 cell walls of second fixed slot respectively, when first fixed slot 11 and the 21 amalgamation of second fixed slot disappear, two groove of stepping down 22 amalgamations are in the same place from top to bottom, crack portion 31 that disappears is located the groove of stepping down 22 and crack portion 31's thickness equals the groove depth sum of two groove of stepping down 22, crack portion 31 that disappears all laminates everywhere with the lateral wall of aluminum alloy pipe fitting 4, avoid the production of joint line.

As shown in fig. 3 and 4, a wedge 323 is formed between the top wall and the longitudinal side wall of the alignment block 322, and when the alignment block 322 is inserted into the alignment groove 23, the wedge 323 is attached to the bottom of the alignment groove 23. The two side walls of the upper die 2 in the length direction extend downwards to form splicing blocks 24, and the lower die 1 is provided with splicing grooves 13 matched with the splicing blocks 24. When going up mould 2 and lower mould 1 laminating together, because the area of contact of counterpoint piece 322 and counterpoint groove 23 tank bottom can effectively be increased in the setting of counterpoint piece 322 upper surface wedge 323, splice piece 24 and splice groove 13 cooperation increase go up the area of contact between mould 2 and the lower mould 1, further laminate between mould 2 and the lower mould 1, be difficult for producing the space, further avoid the production of joint line. Going up mould 2 and lower mould 1 length direction's both sides and all having seted up waist shape mounting hole 14 along its length direction, when will going up mould 2 and lower mould 1 and installing on the punching machine, the design of waist type mounting hole is convenient for touch the mounted position with lower mould 1 and adjust on.

As shown in fig. 5 and 6, the two sides of the mounting block 321 perpendicular to the length direction are integrally formed with a limiting block, the two ends of the mounting groove 12 are provided with limiting grooves 121 for embedding the limiting blocks, and the mounting block 321 is provided with a plurality of screw holes 34. When the gap eliminating device 3 is installed, the lower die 1 is divided into two parts perpendicular to the length direction, the gap eliminating device 3 is placed between the two parts of the lower die 1, the two parts of the lower die 1 are spliced together and welded firmly, a bolt penetrates through the screw hole 34, and the gap eliminating device 3 is fixed in the installation groove 12.

The implementation principle of the above embodiment is as follows: install gap elimination device 3 in two mounting grooves 12, gap elimination portion 31 of gap elimination device 3 is located the groove of stepping down 22, install last mould 2 and lower mould 1 on the punching machine, place aluminum alloy pipe fitting 4 in second constant head tank 21, start the hydraulic press and make last mould 2 move towards lower mould 1, first constant head tank extrudees the design to aluminum alloy pipe fitting 4 with the amalgamation of second constant head tank, gap elimination device 3's counterpoint piece 322 inlays and establishes in counterpoint groove 23, gap elimination portion 31 of gap elimination device 3 and the laminating of the both sides of aluminum alloy pipe fitting 4, can effectively eliminate the condition that leads to the compound die line because the space of going up mould 2 and this piece of lower mould 1, thereby reduce because grind off the possibility that leads to the manufacturing cost to increase.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an eliminate aluminum alloy pipe fitting mould of joint line, includes mould (2) and lower mould (1), its characterized in that: the lower surface of the upper die (2) is provided with a first fixed groove (11), the upper surface of the lower die (1) is provided with a second fixed groove (21), the aluminum alloy pipe fitting (4) is placed in the second fixed groove (21), and when the lower surface of the upper die (2) is abutted to the upper surface of the lower die (1), the first fixed groove (11) and the second fixed groove (21) are mutually spliced;

go up one side fixedly connected with that mould (2) and lower mould (1) are close to relatively and disappear crack device (3), the length direction setting of aluminum alloy pipe spare (4) is followed in the crack device that disappears (3), first fixed slot (11) and last mould (2) lower surface contact department and second fixed slot (21) and lower mould (1) upper surface contact department have all seted up and have stepped down groove (22), the crack device that disappears (3) pass and step down groove (22) and laminate with aluminum alloy pipe spare (4) lateral wall, the thickness of the crack device that disappears (3) equals with the groove depth sum of two groove (22) of stepping down.

2. The aluminum alloy pipe fitting mold for eliminating the joint line according to claim 1, wherein: two mounting grooves (12) have been seted up to lower mould (1) both sides that are located the second constant head tank, crack eliminating device (3) are including connecting portion (32) and crack eliminating portion (31), crack eliminating portion (31) are located groove (22) of stepping down, connecting portion (32) are including installation piece (321) and counterpoint piece (322) that set up from top to bottom, installation piece (321) are inlayed and are established in mounting groove (12), counterpoint groove (23) with counterpoint piece (322) adaptation are seted up to the lower surface of last mould (2).

3. The aluminum alloy pipe fitting mold for eliminating the joint line according to claim 2, wherein: a wedge-shaped surface (323) is formed between the top wall of the alignment block (322) and the side wall in the length direction, and when the alignment block (322) is embedded in the alignment groove (23), the wedge-shaped surface (323) is attached to the groove bottom of the alignment groove (23).

4. The aluminum alloy pipe fitting mold for eliminating the joint line according to claim 3, wherein: the equal integrated into one piece in both sides of installation piece (321) perpendicular to length direction has the spacing piece, spacing groove (121) that supply the spacing piece embedding are seted up at the both ends of mounting groove (12).

5. The aluminum alloy pipe fitting mold for eliminating the joint line according to claim 1, wherein: the two side walls of the upper die (2) in the length direction extend downwards to form splicing blocks (24), and the lower die (1) is provided with splicing grooves (13) matched with the splicing blocks (24).

6. The aluminum alloy pipe fitting mold for eliminating the joint line according to claim 5, wherein: waist-shaped mounting holes (14) are formed in the two sides of the upper die (2) and the lower die (1) in the length direction along the length direction.

7. The aluminum alloy pipe fitting mold for eliminating the joint line according to claim 4, wherein: the mounting block (321) is provided with a plurality of screw holes (34).