CN211965419U

CN211965419U - Section bar guiding device and forming die

Info

Publication number: CN211965419U
Application number: CN201921837472.7U
Authority: CN
Inventors: 周建勇; 胡建文; 蒋海春
Original assignee: Zhejiang Mintai Technology Co ltd
Current assignee: Zhejiang Mintai Technology Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-11-20
Anticipated expiration: 2029-10-29

Abstract

The utility model provides a section bar guiding device belongs to aluminium alloy former technical field, include: the limiting frame and the mounting seat are fixedly arranged, and a through hole is formed in the mounting seat; the graphite guide plate is arranged in the through hole; the movable limiting assembly is arranged in the limiting frame and is in abutting connection with the graphite guide plate, so that the graphite guide plate is limited in the through hole; still provide a forming die, have section bar guiding device, include: the die assembly is arranged at the rear end of the mounting seat, the limiting frame is arranged at the front end of the mounting seat, and the die assembly is connected with the through hole; the forming cylinder is connected with the die assembly, the die assembly is formed into an aluminum profile through the forming cylinder, and the aluminum profile enters the graphite guide plate after forming. The utility model has the advantages that: when the wall thickness of the profile is thinner and the width-to-width ratio is large, the deformation of the profile can be greatly reduced, so that the size error is reduced.

Description

Section bar guiding device and forming die

Technical Field

The utility model belongs to the technical field of aluminium alloy former, a section bar guiding device is related to, a forming die who has this guiding device is still provided.

Background

Aluminum products have a series of excellent characteristics, such as good strength, good weather resistance, low density, etc., and are often used for manufacturing radiator parts or exterior trim parts. At present, in the production process of aluminum profiles, an extrusion die is needed to shape the aluminum profiles.

A deformation process is needed in the process from the aluminum bar to the profile, and the guide plate can play a role in reducing the deformation amount and playing a role in transition shape, for example, a Chinese patent with the application number of 201720458902.9 discloses a guide device for an aluminum profile extrusion die and the extrusion die, wherein the guide device is a guide through hole, and the guide through hole comprises an inlet and an outlet; the guide through hole further comprises a first guide working belt, and the diameter D of the first guide working belt close to the outlet is smaller than the diameter of the aluminum bar to be extruded; the diameter D of the first flow guide working zone close to the inlet is smaller than the diameter D of the first flow guide working zone close to the outlet.

The flow guide device and the extrusion die are suitable for common aluminum profiles, but in the field of the existing aluminum profile forming, the aluminum profile has the defects that the thickness and the width ratio of the aluminum profile are large, and the conventional flow guide plate can generate large deformation if forming is carried out, and in addition, the existing extrusion die has the defect of overlarge deformation amount when forming the special-shaped profile with the thin wall and the large width ratio, so certain improvement space exists.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, a section bar guiding device has been proposed.

The purpose of the utility model can be realized by the following technical proposal: a profile guide device, comprising:

a limiting frame;

the mounting seat is fixedly arranged, and a through hole is formed in the mounting seat;

the graphite guide plate is arranged in the through hole and used for limiting the deformation of the aluminum profile;

the movable limiting assembly is arranged in the limiting frame and is in abutting connection with the graphite guide plate, so that the graphite guide plate is limited in the through hole.

Preferably, the graphite guide plate comprises a first profiling block and a second profiling block, the first profiling block is connected above the second profiling block in a butting mode, the lower surface shape of the first profiling block is consistent with the upper surface shape of the aluminum profile, the upper surface shape of the second profiling block is consistent with the lower surface shape of the aluminum profile, and a guide hole for the aluminum profile to penetrate through is formed between the first profiling block and the second profiling block.

Preferably, the movable limiting assembly comprises an upper limiting block and a lower limiting block, the upper limiting block and the lower limiting block are respectively provided with a first transverse roller and a second transverse roller, the first transverse roller is connected with the first copying block in an abutting mode, and the second transverse roller is connected with the second copying block in an abutting mode.

Preferably, the upper end and the lower end of the limiting frame are respectively provided with a clamping cylinder, pistons of the two clamping cylinders penetrate through the limiting frame and then are respectively connected with the upper limiting block and the lower limiting block, and the two clamping cylinders are used for pushing the upper limiting block and the lower limiting block to clamp the first profiling block and the second profiling block.

Preferably, the movable limiting assembly further comprises a left limiting block and a right limiting block, a first vertical roller and a second vertical roller are arranged on the left limiting block and the right limiting block respectively, and the first vertical roller and the second vertical roller are abutted to the front ends of the first profiling block and the second profiling block respectively.

Preferably, the left side and the right side of the limiting frame are respectively provided with a limiting cylinder, pistons of the two limiting cylinders pass through the limiting frame and then are respectively connected with the left limiting block and the right limiting block, and the two limiting cylinders are used for pushing the first vertical roller and the second vertical roller to the front ends of the first profiling block and the second profiling block.

Preferably, the first profiling block and the second profiling block are both graphite pieces.

Secondly, a forming die is provided, including:

the die assembly is arranged at the rear end of the mounting seat, the limiting frame is arranged at the front end of the mounting seat, and the die assembly is connected with the through hole;

the forming cylinder is connected with the die assembly, the die assembly passes through the forming cylinder to form an aluminum profile, and the aluminum profile enters the graphite guide plate after forming.

Preferably, the aluminum ingot casting device further comprises an ingot containing barrel, the ingot containing barrel is connected with the mold assembly, a forming rod is arranged on the forming cylinder, and the forming rod penetrates through the ingot containing barrel and is used for extruding aluminum ingots in the ingot containing barrel to the mold assembly.

Preferably, a guide frame is arranged in front of the mounting seat, a plurality of discharging rollers are arranged on the guide frame, and the discharging rollers are used for assisting the aluminum profile to move.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the wall thickness of the section is thinner and the width ratio of the section is large, the deformation of the section can be greatly reduced, so that the size error is reduced.

2. Go up spacing piece and spacing piece down by die clamping cylinder control, when need not restrict graphite guide plate, go up the spacing piece and rise, spacing piece descends down for graphite guide plate can reciprocate, and when needs pressed from both sides tight graphite guide plate, then drive spacing piece decline and spacing piece down through two die clamping cylinder and rise, make both clip first profile modeling piece and second profile modeling piece, ensure the stability in water conservancy diversion hole.

3. The extrusion die can effectively reduce the deformation of the thin-wall section and the profile with larger width, so that the size of the product is in a qualified range.

Drawings

Fig. 1 is a schematic structural view of the profile guiding device of the present invention.

Fig. 2 is a schematic structural view of the movable limiting assembly of the present invention.

Fig. 3 is a schematic structural view of the through hole and the graphite flow guide plate of the present invention.

Fig. 4 is a schematic position diagram of the profile material guiding device and the forming mold of the present invention.

Fig. 5 is a schematic structural view of the forming mold of the present invention.

In the figure, 100, a mounting seat; 110. a through hole; 200. a mold assembly; 300. a limiting frame; 310. a clamping cylinder; 320. a limiting cylinder; 410. an upper limit block; 420. a lower limiting block; 430. a first transverse roller; 440. a second transverse roller; 450. a left stop block; 460. a right stopper; 470. a first vertical roller; 480. a second vertical roller; 500. A graphite baffle; 510. a first contour block; 520. a second contour block; 600. a forming cylinder; 610. forming a rod; 700. a pig holding barrel; 800. a guide frame; 810. and a discharging roller.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3 and 4, a profile guide apparatus includes: mount pad 100, spacing frame 300, the spacing subassembly of activity and graphite guide plate 500, be provided with through-hole 110 on the mount pad 100, graphite guide plate 500 sets up in the through-hole 110, and graphite guide plate 500 is used for restricting the aluminium alloy and warp, the spacing subassembly of activity sets up in spacing frame 300 and with graphite guide plate 500 contradicts and connects.

It should be noted that the profile guiding device is actually used in the aluminum profile forming equipment, specifically, is used in front of the mold assembly 200, and after the aluminum profile is formed, the aluminum profile passes through the mounting seat 100, and then the graphite guiding plate 500 disposed in the through hole 110 has a transition effect, so as to reduce the deformation of the aluminum profile.

Preferably, in this embodiment, set up graphite guide plate 500 in through-hole 110 of mount pad 100, graphite guide plate 500 can supply the aluminium alloy to pass through, and reduce its deformation when cooling, spacing frame 300 then fixes graphite guide plate 500 through the spacing subassembly of activity, avoid its removal, and graphite guide plate 500 it adopts graphite to make, because graphite texture is soft, intensity is higher and high temperature resistant, still have the effect of wearing and lubricating, when it contacts with the aluminium alloy, can not scratch or damage the aluminium alloy, can play fine transition effect, and, its deformation that reduces the section bar that can be fine, thereby reduce size error.

Preferably, because the guide plate is made for graphite, it utilizes the spacing subassembly of activity to install fixedly, so its change of being convenient for only need remove the restriction to graphite guide plate 500 through the spacing subassembly of activity, just can change the graphite guide plate of different shapes, unusual convenience during the in-service use.

As shown in fig. 1, 2 and 3, on the basis of the above embodiment, the graphite baffle 500 includes a first profile block 510 and a second profile block 520, the first profile block 510 is located above the second profile block 520, the lower surface of the first profile block 510 is in a shape consistent with the upper surface of the aluminum profile, the upper surface of the second profile block 520 is in a shape consistent with the lower surface of the aluminum profile, and a flow guide hole for the aluminum profile to pass through is formed between the first profile block 510 and the second profile block 520.

Preferably, the graphite baffle 500 includes two separate parts, i.e., a first profile block 510 and a second profile block 520, wherein the first profile block 510 is located above the second profile block 520, and the first profile block 510 and the second profile block 520 are located below the second profile block, and the first profile block and the second profile block can form a baffle hole after being clamped.

The lower limb of the cross section of first profile block 510 is unanimous with the upper edge of the cross section of aluminium alloy, so the lower surface of first profile block 510 can be in the same place with the upper surface of aluminium alloy, and the upper edge of the cross section of second profile block 520 is unanimous with the lower limb of the cross section of aluminium alloy, so the upper surface of second profile block 520 can be in the same place with the lower surface of aluminium alloy in the laminating for the aluminium alloy enters into the water conservancy diversion downthehole after the shaping, then passes through the water conservancy diversion hole and passes through the back, the deformation of reduction aluminium alloy that can be very big.

As shown in fig. 1, 2 and 3, based on the above embodiments, the movable limiting assembly includes an upper limiting block 410 and a lower limiting block 420, a first transverse roller 430 and a second transverse roller 440 are respectively disposed on the upper limiting block 410 and the lower limiting block 420, the first transverse roller 430 is connected to the first contour block 510 in an abutting manner, and the second transverse roller 440 is connected to the second contour block 520 in an abutting manner.

Preferably, the movable limiting component is a clamping mechanism that can actually fix the graphite baffle 500 as required, wherein the upper limiting block 410 and the lower limiting block 420 are mainly used for clamping the first contour block 510 and the second contour block 520, so as to ensure that the first contour block 510 and the second contour block 520 can form a flow guide hole, and the flow guide hole can be abutted against the first contour block 510 and the second contour block 520 through the first transverse roller 430 and the second transverse roller 440, and the graphite baffle 500 can not be damaged during clamping due to the adoption of the design of the rollers, and once the graphite baffle 500 is subjected to a large acting force, the graphite baffle 500 can roll with the two transverse rollers, so that the graphite baffle 500 and the aluminum profile can be prevented from being damaged.

Preferably, the upper limiting block 410 and the lower limiting block 420 have the same structure and only have different positions, both the upper limiting block 410 and the lower limiting block 420 have a cross-bar structure, both ends of the cross-bar structure are L-shaped structures, and both ends of the first transverse roller 430 and the second transverse roller 440 are respectively connected with both ends of the upper limiting block 410 and the lower limiting block 420.

As shown in fig. 1, 2 and 3, in addition to the above embodiments, the upper end and the lower end of the limiting frame 300 are respectively provided with a clamping cylinder 310, pistons of the two clamping cylinders 310 penetrate through the limiting frame 300 and are respectively connected with the upper limiting block 410 and the lower limiting block 420, and the two clamping cylinders 310 are used for pushing the upper limiting block 410 and the lower limiting block 420 to clamp the first contour block 510 and the second contour block 520.

Preferably, the upper limiting block 410 and the lower limiting block 420 are controlled by the clamping cylinder 310, when the graphite baffle 500 is not required to be limited, the upper limiting block 410 rises, the lower limiting block 420 falls, so that the graphite baffle 500 can move up and down, and when the graphite baffle 500 is required to be clamped, the upper limiting block 410 and the lower limiting block 420 are driven to fall by the two clamping cylinders 310, so that the first contour block 510 and the second contour block 520 are clamped by the two clamping cylinders, and the stability of the guide hole is ensured.

As shown in fig. 1, 2, and 3, on the basis of the above embodiments, the movable limiting assembly further includes a left limiting block 450 and a right limiting block 460, the left limiting block 450 and the right limiting block 460 are respectively provided with a first vertical roller 470 and a second vertical roller 480, and the first vertical roller 470 and the second vertical roller 480 both abut against the front ends of the first contour block 510 and the second contour block 520.

Preferably, the left limiting block 450 and the right limiting block 460 are actually used for limiting the graphite flow guiding plate 500 in the through hole 110 and preventing the graphite flow guiding plate from sliding out of the through hole 110, wherein the left limiting block 450 blocks the left front ends of the first and second contour blocks 510 and 520 through the first vertical roller 470, and the right limiting block 460 blocks the right front ends of the first and second contour blocks 510 and 520 through the second vertical roller 480, so that the front ends of the left and right sides are blocked and cannot move, and the stability in flow guiding is ensured.

As shown in fig. 1, 2, and 3, on the basis of the above embodiment, the left side and the right side of the limiting frame 300 are respectively provided with a limiting cylinder 320, pistons of the two limiting cylinders 320 are respectively connected to the left limiting block 450 and the right limiting block 460 after passing through the limiting frame 300, and the two limiting cylinders 320 are used for pushing the first vertical roller 470 and the second vertical roller 480 to the front ends of the first profile block 510 and the second profile block 520.

Preferably, the limiting cylinder 320 can drive the first vertical roller 470 and the second vertical roller 480 to move leftward or rightward, particularly, when a piston rod of the limiting cylinder 320 contracts, the first vertical roller 470 and the second vertical roller 480 can be moved to two sides of the graphite baffle 500, at this time, the graphite baffle 500 can be drawn out from the through hole 110, and when the piston rod of the limiting cylinder 320 extends out, the first vertical roller 470 and the second vertical roller 480 can be moved to the front of the graphite baffle 500 and are connected with the end portions of the graphite baffle 500 in an abutting mode, so that the graphite baffle 500 is limited in the through hole 110.

Preferably, the left limiting block 450 and the right limiting block 460 are both vertical rod-shaped structures, and both ends of the two are both L-shaped structures, and both ends of the first vertical roller 470 and the second vertical roller 480 are connected with both ends of the left limiting block 450 and the right limiting block 460, respectively.

As shown in fig. 1, 2 and 3, in addition to the above embodiments, the first and second contour blocks 510 and 520 are graphite pieces, and preferably, the graphite pieces have high temperature resistance and lubrication effects, so that deformation of the graphite pieces can be reduced in the flow guiding process after the aluminum profile is formed.

As shown in fig. 1, 4 and 5, a forming die has a profile flow guide device, which includes: a mold assembly disposed at a rear end of the mounting seat, and the position limiting frame 300 is disposed at a front end of the mounting seat 100, the mold assembly 200 being connected to the through hole 110; the forming cylinder 600 is connected with the die assembly, the die assembly 200 is used for forming an aluminum profile through the forming cylinder 600, and the aluminum profile enters the graphite guide plate after forming.

During specific work, the forming cylinder 600 pushes the aluminum profile to be formed in the die assembly 200 and enters the graphite guide plate 500 through the through hole 110, so that the aluminum profile which is just formed can immediately enter the guide plate, and the graphite guide plate is made of graphite, so that the deformation of the aluminum profile during cooling can be greatly reduced, and the replacement is facilitated.

As shown in fig. 1, 4 and 5, the aluminum ingot casting device further comprises an ingot holding barrel 700, the ingot holding barrel 700 is connected with the mold assembly, a forming rod 610 is arranged on the forming cylinder 600, and the forming rod 610 penetrates through the ingot holding barrel 700 and is used for extruding an aluminum ingot in the ingot holding barrel 700 to the mold assembly.

Preferably, the ingot receiving tub 700 actually has a receiving hole for receiving an aluminum ingot, and the molding rod 610 is aligned with the receiving hole, so that the heated aluminum ingot can be extruded and passed through the mold assembly when the molding cylinder 600 is operated, thereby molding the aluminum profile.

Preferably, in actual structure, shaping cylinder 600, flourishing spindle bucket 700, mould assembly, mount pad and spacing frame connect gradually to can pass shaping cylinder 600, flourishing spindle bucket 700 and mount pad through the connecting rod, thereby fix the three in certain, stability when guaranteeing the shaping.

As shown in fig. 1, 4 and 5, a guide frame 800 is disposed in front of the mounting base 100, a plurality of discharging rollers 810 are disposed on the guide frame 800, and the discharging rollers 810 are used for assisting the movement of the aluminum profile.

Preferably, the aluminium alloy stretches out from the graphite guide plate to its front end is located leading truck 800, can drive supplementary aluminium alloy through discharge roller 810 and follow the downthehole ejection of compact of water conservancy diversion.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A profile flow guide device, comprising:

a limiting frame;

2. A profile guide device as claimed in claim 1, wherein: the graphite guide plate comprises a first profiling block and a second profiling block, the first profiling block is connected above the second profiling block in a butting mode, the shape of the lower surface of the first profiling block is consistent with that of the upper surface of the aluminum profile, the shape of the upper surface of the second profiling block is consistent with that of the lower surface of the aluminum profile, and a guide hole for the aluminum profile to penetrate through is formed between the first profiling block and the second profiling block.

3. A profile guide device as claimed in claim 2, wherein: the spacing subassembly of activity includes spacing piece and lower spacing piece, go up the spacing piece with be provided with first horizontal gyro wheel and the horizontal gyro wheel of second on the spacing piece down respectively, first horizontal gyro wheel with first profile modeling piece is contradicted and is connected, the horizontal gyro wheel of second with second profile modeling piece is contradicted and is connected.

4. A profile guide device as claimed in claim 3, wherein: the upper end and the lower end of the limiting frame are respectively provided with a clamping cylinder, pistons of the two clamping cylinders penetrate through the limiting frame and then are respectively connected with the upper limiting block and the lower limiting block, and the two clamping cylinders are used for pushing the upper limiting block and the lower limiting block to clamp the first profiling block and the second profiling block.

5. A profile guide device as claimed in claim 4, wherein: the movable limiting assembly further comprises a left limiting block and a right limiting block, a first vertical roller and a second vertical roller are arranged on the left limiting block and the right limiting block respectively, and the first vertical roller and the second vertical roller are abutted to the front end of the first profiling block and the front end of the second profiling block.

6. A profile guide device as claimed in claim 5, wherein: the left side and the right side of the limiting frame are respectively provided with a limiting cylinder, pistons of the two limiting cylinders penetrate through the limiting frame and then are respectively connected with the left limiting block and the right limiting block, and the two limiting cylinders are used for pushing the first vertical roller and the second vertical roller to the front ends of the first profiling block and the second profiling block.

7. A profile guide device as claimed in claim 2, wherein: the first profiling block and the second profiling block are both graphite pieces.

8. A molding die having a profile guide device according to any one of claims 5 to 7, comprising:

9. The molding die set forth in claim 8, wherein: still including flourishing spindle bucket, flourishing spindle bucket with the mould subassembly is connected, and be provided with the shaping pole on the shaping cylinder, the shaping pole is worn to establish in flourishing spindle bucket and be used for with aluminium ingot in the flourishing spindle bucket extrudees to the mould subassembly.

10. The molding die set forth in claim 8, wherein: the place ahead of mount pad is provided with the leading truck, be provided with a plurality of discharge rollers on the leading truck, the discharge roller is used for assisting the aluminium alloy to remove.