CN210334195U

CN210334195U - Forged aluminum alloy hub punching and reaming die with upper ejection mechanism

Info

Publication number: CN210334195U
Application number: CN201921336632.XU
Authority: CN
Inventors: 孙谱; ***
Original assignee: Shandong Juncheng Metal Technology Co ltd
Current assignee: Shandong Juncheng Metal Technology Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-04-17
Anticipated expiration: 2029-08-19

Abstract

A forged aluminum alloy hub punching and reaming die with an upper ejection mechanism is characterized in that a forged hub blank is placed in a cavity of a lower die core, then a sliding block of a forging press moves downwards, the upper die core is driven to move downwards by an upper die base, a punch I is inserted into the hub blank to ream the hub blank, the bottom of a top block is in contact with the bottom of the cavity of the hub blank, a spring is compressed, a bolt moves upwards, a piston rod of an oil cylinder in the sliding block of the forging press extends out, a connecting rod drives the punch II to move downwards, the piston rod of the oil cylinder in the sliding block of the forging press retracts after the punch II punches the hub blank, the punch II moves into a sliding hole, then the sliding block of the forging press moves upwards to drive the upper die core to move upwards, the spring releases elastic force to drive the top block to move downwards to separate the hub blank from the punch I, the using times of a release agent are reduced, the production cost is reduced, and finally the hub blank, realize the drawing of patterns, reduced the human labor cost, improved production efficiency.

Description

Forged aluminum alloy hub punching and reaming die with upper ejection mechanism

Technical Field

The utility model relates to a wheel hub makes technical field, concretely relates to forging aluminum alloy wheel hub punching reaming mould with go up ejection mechanism.

Background

The forged aluminum alloy wheel hub has the advantages of light weight, good strength and the like, when the forged aluminum alloy wheel hub is manufactured, a forged blank needs to be placed into a punching and hole expanding die, hole expanding and punching operations are carried out by using a forging press, but the consumption of auxiliary materials in the manufacturing process is high, the consumption ratio of a forging release agent is high, no ejecting device is added in the punching and hole expanding process of the conventional forged aluminum alloy wheel hub due to large drawing inclination and equipment tool limitation, the spraying ratio of the auxiliary release agent needs to be one time of spraying every 2-3 pieces, the use frequency of the release agent is high, the consumption of the release agent is reduced, the cost can be obviously saved, and meanwhile, the defect of high labor intensity of workers exists due to the fact that the manual demolding of operators is needed.

Disclosure of Invention

The utility model discloses an overcome not enough of above technique, provide a forging aluminum alloy wheel hub punching reaming mould that reduces manufacturing cost, can automatic drawing of patterns.

The utility model overcomes the technical scheme that its technical problem adopted is:

the utility model provides a forge aluminum alloy wheel hub and dash reaming mould with go up ejection mechanism, includes the lower mould bedplate of installing on the workstation of forging press, installs the lower bearing on the lower mould bedplate, installs the lower mold core on the lower bearing, installs in last mold base board of forging press slider lower extreme and installs the last mold core in last mold base board lower extreme, be provided with in the lower mould core with wheel hub blank outside end assorted die cavity, the vertical cartridge of wheel hub blank is in the die cavity of lower mold core, the lower extreme of going up the mold core is provided with drift I, when the slider of forging press removed to the bottom dead center position, drift I inserts in the hole of wheel hub blank and makes the wheel hub blank punching press form reaming structure, still includes:

the sliding hole is arranged in the upper die core, and the sliding hole is coaxial with the upper die core;

the punch I is arranged in the sliding hole in a sliding mode in the vertical direction, the upper end of the punch I is connected with an oil cylinder in a sliding block of the forging press through a connecting rod, when a piston rod of the oil cylinder is completely retracted, the punch I is completely positioned in the sliding hole, and when the piston rod of the oil cylinder is completely extended, the punch I extends out of the sliding hole;

n liftout device, set up in last mold core along the even interval of circumferencial direction, N is more than or equal to 2 positive integer, the liftout device is including setting up spout II in last mold core, along the ejector pad of vertical direction slip cartridge in spout II and along the bolt of vertical direction cartridge in spout II, the spring suit is on the bolt, the lower extreme of bolt is in the ejector pad soon, the one end of spring links to each other with spout II, its other end links to each other with the ejector pad, the bolt head external diameter of bolt is greater than the internal diameter of spout II, when the spring is in free state, the upper end bolt head of bolt contacts and the lower extreme of ejector pad stretches out from spout II with the upper end of spout II, and

and the lower ejection mechanism is arranged in the lower bearing seat and used for separating the hub blank subjected to reaming and punching from the cavity of the lower die core.

Furthermore, the lower ejection mechanism comprises a sliding groove I arranged in the lower bearing seat along the vertical direction, an ejection plate slidably mounted in the sliding groove I and N ejector rods slidably inserted in the lower bearing seat and the lower mold core along the vertical direction, wherein N is a positive integer greater than or equal to 2, the lower end of each ejector rod is connected with the upper end face of the lower bearing seat, the lower end face of the lower bearing seat is connected with a hydraulic ejection rod in the workbench of the forging press, the upper end face of each ejector rod is positioned at the lower end of each wheel hub blank when the hydraulic ejection rod in the workbench of the forging press retracts, and the ejector rods push the wheel hub blanks to separate from the cavity of the lower mold core when the hydraulic ejection rod in the workbench of the forging press extends out.

The utility model has the advantages that: placing a forged hub blank in a cavity of a lower mold core, then moving a slide block of a forging press downwards, driving an upper mold core to move downwards through an upper mold base, inserting a punch I into the hub blank to realize hole expanding of the hub blank, contacting the bottom of a top block with the bottom of the cavity of the hub blank at the moment, compressing a spring, moving a bolt upwards, extending a piston rod of an oil cylinder in the slide block of the forging press, driving a punch II to move downwards through a connecting rod, retracting the piston rod of the oil cylinder in the slide block of the forging press after the punch II punches the hub blank, moving the punch II into a slide hole, then moving the slide block of the forging press upwards, driving an upper mold core to move upwards, releasing elasticity of the spring to drive the top block to move downwards to separate the hub blank from the punch I, reducing the use times of a release agent, reducing the production cost, and finally ejecting the hub blank out of the lower mold core through, the labor cost is reduced, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic view of the structure of the initial state of the present invention;

fig. 2 is a schematic structural view of the reaming state of the present invention;

fig. 3 is a schematic structural view of the punching state of the present invention;

in the figure, 1, a lower die base plate 2, a lower bearing seat 3, an ejector plate 4, a sliding chute I5, an ejector rod 6, a lower die core 7, a female die 8, a hub blank 9, an upper die base plate 10, an upper die core 11, a punch I12, a bolt 13, a sliding chute II 14, an ejector block 15, a spring 16, a sliding hole 17, a punch II 18 and a connecting rod.

Detailed Description

The present invention will be further explained with reference to fig. 1, fig. 2 and fig. 3.

The utility model provides a forge aluminum alloy wheel hub and dash reaming mould with go up ejection mechanism, including installing lower mould bedplate 1 on the workstation of forging press, install lower bearing 2 on lower mould bedplate 1, install lower mold core 6 on lower bearing 2, install in last mold core 10 of last mold core 9 and installing in last mold core 9 lower extreme of forging press slider lower extreme, be provided with in the lower mold core 6 with 8 outside end assorted die cavities of wheel hub blank, 8 vertical cartridge of wheel hub blank are in the die cavity of lower mold core 6, the lower extreme of going up mold core 10 is provided with drift I11, when the slider of forging press removes to the bottom dead center position, drift I11 inserts in the hole of wheel hub blank 8 and makes 8 punching presses of wheel hub blank form reaming structure, still include: the slide hole 16 is arranged in the upper mold core 10, and the slide hole 16 is coaxial with the upper mold core 10; the punch I11 is arranged in the sliding hole 16 in a sliding mode in the vertical direction, the upper end of the punch I11 is connected with an oil cylinder in a sliding block of the forging press through a connecting rod 18, when a piston rod of the oil cylinder is completely retracted, the punch I11 is completely positioned in the sliding hole 16, and when a piston rod of the oil cylinder is completely extended, the punch I11 extends out of the sliding hole 16; n material ejecting devices are uniformly arranged in the upper mold core 10 at intervals along the circumferential direction, N is a positive integer larger than or equal to 2, each material ejecting device comprises a sliding groove II 13 arranged in the upper mold core 10, an ejecting block 14 inserted in the sliding groove II 13 in a sliding manner along the vertical direction, and a bolt 12 inserted in the sliding groove II 13 along the vertical direction, a spring 15 is sleeved on the bolt 12, the lower end of the bolt 12 is screwed in the ejecting block 14, one end of the spring 15 is connected with the sliding groove II 13, the other end of the bolt is connected with a top block 14, the outer diameter of the bolt head of the bolt 12 is larger than the inner diameter of the sliding groove II 13, when the spring is in a free state, the upper end bolt head of the bolt 12 is contacted with the upper end of the sliding groove II 13, the lower end of the top block 14 extends out of the sliding groove II 13, and the lower ejection mechanism is arranged in the lower bearing seat 2 and used for separating the hub blank 8 after hole expansion and punching are finished from the cavity of the lower die core 6. As shown in the attached drawing 1, a forged hub blank 8 is placed in a cavity of a lower mold core 6, then a slide block of a forging press moves downwards, an upper mold core 10 is driven by an upper mold base 9 to move downwards until a punch I11 is inserted into the hub blank 8 to expand the hub blank 8 as shown in the attached drawing 2, the bottom of a top block 14 is in contact with the bottom of the cavity of the hub blank 8, a spring 15 is compressed, a bolt 12 moves upwards, then as shown in the attached drawing 3, a piston rod of an oil cylinder in the slide block of the forging press extends out, a punch II 17 is driven by a connecting rod 18 to move downwards, the piston rod of the oil cylinder in the slide block of the forging press retracts after the hub blank 8 is punched by the punch II 17, the punch II 17 moves into a slide hole 16, then the slide block of the forging press moves upwards to drive the upper mold core 10 to move upwards, the spring 15 releases elasticity to drive the top block 14 to move downwards to, the use frequency of the release agent is reduced, the production cost is reduced, and finally the lower ejection mechanism ejects the hub blank 8 from the lower die core 6, so that the release is realized, the labor cost is reduced, and the production efficiency is improved.

The lower ejection mechanism can be of a structure comprising a sliding groove I4 arranged in a lower bearing seat 2 along the vertical direction, an ejection plate 3 slidably mounted in the sliding groove I4 and N ejector rods 5 slidably inserted in the lower bearing seat 2 and the lower die core 6 along the vertical direction, wherein N is a positive integer greater than or equal to 2, the lower end of each ejector rod 5 is connected with the upper end face of the lower bearing seat 2, the lower end face of the lower bearing seat 2 is connected with a hydraulic ejection rod in a workbench of a forging press, the upper end face of each ejector rod 5 is located at the lower end of the corresponding hub blank 8 when the hydraulic ejection rod in the workbench of the forging press retracts, and when the hydraulic ejection rod in the workbench of the forging press extends out, the ejector rods 5 push the hub blanks 8 to be separated from a cavity of the lower die core 6. After the hub blank 8 is punched and reamed, and the upper die core 10 rises along with the upper die base 8 to enable the punch I11 to move out of the hub blank 8, a hydraulic ejection rod of the forging press extends out and drives the ejection plate 3 to slide upwards in the sliding groove I4, so that the ejector rod 5 is driven to move upwards until the ejector rod 5 ejects the hub blank 8 out of the lower die core 6. Realize the drawing of patterns, further reduced human labor.

Claims

1. A punching and reaming die for forging aluminum alloy wheel hub with an upper ejection mechanism comprises a lower die base plate (1) arranged on a workbench of a forging press, a lower bearing seat (2) arranged on the lower die base plate (1), a lower die core (6) arranged on the lower bearing seat (2), an upper die base plate (9) arranged at the lower end of a sliding block of the forging press and an upper die core (10) arranged at the lower end of the upper die base plate (9), a cavity matched with the outer side end of the wheel hub blank (8) is arranged in the lower mould core (6), the wheel hub blank (8) is vertically inserted into the cavity of the lower mould core (6), a punch I (11) is arranged at the lower end of the upper mould core (10), when the slider of forging press moved to the bottom dead center position, during the hole of drift I (11) insertion wheel hub blank (8) and made wheel hub blank (8) punching press form reaming structure, its characterized in that still includes:

the sliding hole (16) is arranged in the upper mold core (10), and the sliding hole (16) is coaxial with the upper mold core (10);

the punch I (11) is arranged in the sliding hole (16) in a sliding mode in the vertical direction, the upper end of the punch I (11) is connected with an oil cylinder in a sliding block of the forging press through a connecting rod (18), when a piston rod of the oil cylinder is completely retracted, the punch I (11) is completely positioned in the sliding hole (16), and when the piston rod of the oil cylinder is completely extended, the punch I (11) is extended out of the sliding hole (16);

n liftout devices, evenly set up in last mold core (10) along circumferencial direction interval, N is more than or equal to 2 positive integer, the liftout device is including setting up spout II (13) in last mold core (10), along vertical direction slip cartridge in spout II (13) kicking block (14) and along vertical direction cartridge in spout II (13) bolt (12), spring (15) suit is on bolt (12), the lower extreme of bolt (12) is in kicking block (14) soon, the one end of spring (15) links to each other with spout II (13), its other end links to each other with kicking block (14), the bolt head external diameter of bolt (12) is greater than the internal diameter of spout II (13), when the spring is in free state, the upper end bolt head of bolt (12) contacts with the upper end of spout II (13) and the lower extreme of kicking block (14) stretches out from spout II (13), and

and the lower ejection mechanism is arranged in the lower bearing seat (2) and is used for separating the hub blank (8) subjected to hole expanding and punching from the cavity of the lower die core (6).

2. The forged aluminum alloy hub punching and reaming die with the upper ejection mechanism according to claim 1, wherein: the lower ejection mechanism comprises a sliding groove I (4) arranged in a lower bearing seat (2) along the vertical direction, an ejection plate (3) slidably mounted in the sliding groove I (4) and N ejector rods (5) slidably inserted into the lower bearing seat (2) and a lower die core (6) along the vertical direction, wherein N is a positive integer greater than or equal to 2, the lower end of each ejector rod (5) is connected with the upper end face of the lower bearing seat (2), the lower end face of the lower bearing seat (2) is connected with a hydraulic ejection rod in a forging press workbench, the upper end face of each ejector rod (5) is located at the lower end of a hub blank (8) when the hydraulic ejection rod in the forging press workbench retracts, and when the hydraulic ejection rod in the forging press workbench extends, the ejector rods (5) push the hub blank (8) to be separated from a cavity of the lower die core (6).