CN2858261Y

CN2858261Y - Bed die floating regulating mechanism of powder forming machine

Info

Publication number: CN2858261Y
Application number: CN 200520134269
Authority: CN
Inventors: 严培义
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-23
Filing date: 2005-12-23
Publication date: 2007-01-17
Anticipated expiration: 2015-12-23

Abstract

A bed die floating regulating mechanism of powder forming machine includes a lower pressure bar linked with a regulating rod and a regulating columnfrom as a whole, a gear shaft linked with a driving bevel gear and a follower bevel gear, and a transmission shaft linked with a main sprocket and a driving bevel gear, which are fixed on the gear shaft shelves to consist a regulating device. The main transmission chain is made to connect the main sprocket on the transmission shaft and the initiative sprocket on the sprocket shaft end of the sprocket shelves as a whole; other transmission chains are used to respectively connect the driven sprocket with a sprocket of the worm shaft end on the block box and another sprocket of the worm shaft end on the two block boxes as a whole; a transmission chain is further used to connect the driven sprockets on the sprocket shaft end of the two sprocket shelves; the transmission shaft connects the driving source to compose the transmission device. The mechanism has a simple structure and fewer parts; it is easy to process; the transmission devices mutual interact; the regulating device can simultaneously regulate, with a rapid regulate speed and a good stability; the upper side surface of the lower pressure bar further matches with the underside of the piston bar having a cylinder to prevent the forming machine from damage, thus the forming machine has a long service life.

Description

Bed die floating regulating mechanism of powder forming machine

Technical field

The utility model relates to the critical piece guiding mechanism in a kind of powder forming machine, is used to regulate the distance that former floats downwards, to guarantee the uniform bed die floating regulating mechanism of powder forming machine of stampings density.

Background technology

Powder forming machine be widely used in pulverulent products such as various metals, pottery, bakelite, and the shape of stampings becomes increasingly complex also owing to have applied widely, production efficiency and the stock utilization height.

The patent No. 00262603.9 " powder forming machine " is only mentioned the total length that utilizes between chain, sprocket wheel, worm gear, worm screw control spring and gear, when if the length between regulating spring and gear makes it elongated, the gear that can make spring bottom contacts with bindiny mechanism on the lower bolster ahead of time, that carries out upper punch presses work again, the phase counter regulation is then postponed and is pressed work again, to reach pulverulent product compacting, uniform purpose.But the interlinked mechanism complex structure of this patent under first, second bar of two cams, part is many, processing, assembling trouble, and structural stability is poor, and the action of interlinked mechanism is asynchronous, does not have the interlock function, and it is slow therefore to regulate the speed, inefficiency.

Summary of the invention

Technical problem to be solved in the utility model is: a kind of bed die floating regulating mechanism of powder forming machine is provided, can not only regulate flying height, the demoulding height of stampings, guarantee the uniformity of complex parts stampings size, stampings density, and it is fast to regulate the speed, good stability, high efficiency.

The technical scheme in the invention for solving the above technical problem is: bed die floating regulating mechanism of powder forming machine comprises by two cams by roller respectively with last, the press rods that the downforce bar constitutes and go out tringle and connect, going out tringle cooperates and adjusting device with link stopper on the link stopper case by centering block, transmission device is formed, described adjusting device is that the downforce bar is connected with the adjusting lever of driven gear and is adjusted the integral body that post connects into by top, and the engagement of the driving gear on driven gear and the gear shaft, also be connected with driven bevel pinion and the driving bevel gear engagement that has on the power transmission shaft of head sprocket on the gear shaft, gear shaft, power transmission shaft, the downforce bar all is connected on the tooth rest, two tooth rests are fixed on the frame, to be the main transmission chain link into an integrated entity the drive sprocket of head sprocket on the power transmission shaft and sprocket holder upper sprocket wheel axle head with described transmission device, respectively the sprocket wheel in addition of worm shaft end on the sprocket wheel of worm shaft end on driven sprocket and the link stopper case and the two link stopper casees is linked into an integrated entity with other driving-chain, also other driven sprocket of two sprocket holder upper sprocket wheel axle heads is linked into an integrated entity, and power transmission shaft is connected with power source with a driving-chain.

Compared with prior art, advantage of the present utility model is: this guiding mechanism 1, simple in structure, part is few, long service life, good stability, and part all is symmetrical part, all easily processing such as master and slave bevel gear, master and slave gear, master and slave drive sprocket, driving-chain, gear shaft, power transmission shaft, easily assembling, and available electronic or manual mode of operation, easy to operate.

2, adjusting post or adjusting lever moves up or down, elongate or shorten all be by the identical power source of two covers through sprocket wheel, driving-chain, bevel gear, gear constitute transmission device carry out, adjust post simultaneously upper and lower move with the link stopper case on the upper and lower mobile adjusting of link stopper still carry out synchronously, and what use is same set of actuating unit, because of the power of guiding mechanism links each other, so governing speed is fast, stable working, good stability, high efficiency.

3, the downforce bar upper surface in the guiding mechanism also contacts cooperation with the bottom surface of the piston rod of being with oil cylinder; when the adjustment post that constitutes the downforce bar, when the excessive elongation of adjusting lever adjusting length is long; and the lower dead center that transverse arm floats; the lower dead center of cam can not change; at this moment the downforce bar can will reduce length in the piston masthead oil return cylinder; minimizing is to the damage of stressed parts such as cam, roller, upper and lower press rods, and the protection forming machine is not damaged.

Description of drawings

Fig. 1, structural representation of the present utility model (omission transmission mechanism).

Fig. 2, user mode figure of the present utility model.

The right view of Fig. 3, Fig. 2.

The A-A view (enlarged drawing) of Fig. 4, Fig. 2.

Fig. 5, link stopper box structure schematic diagram.

The specific embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is further described.

The nose end of adjusting the middle blind hole in post 13 upper ends has internal thread, and end is connected with driven gear 12, and lower surface is screwed cushion block 11, can stop that driven gear 12 moves down, interchangeable use again after the long-term work wearing and tearing.

The lower end of adjusting lever 1 is a screw mandrel, and the outside is connected with driven gear 2, adjusting lever 1 is threaded whole downforce bar by the lower end screw mandrel with adjustment post 13 blind hole ends.

Two tooth rests, 4 usefulness screws respectively the symmetry, be fixed on the outer surface of frame 24 two sides, adjustment post 13 on the downforce bar is installed in tooth rest 4 middle chambers, the upper and lower of both sides cavity, the gear shaft 10 of vertical mounting strap driving gear 3 and driven bevel pinion 9, the power transmission shaft 6 of horizontal mounting strap driving bevel gear 8 and head sprocket 5, and driving bevel gear 8 and driven bevel pinion 9 engagements, as shown in Figure 1.

Worm screw 31 on the link stopper case 16 on the worm shaft meshes with the worm gear 32 of the interior band of link stopper case inner bolt hole, and the lower end of link stopper 15 and worm gear 32 internal threads link into an integrated entity, and the end face of link stopper 15 is that circular arc is identical with centering block 14 cooperations and shape, as shown in Figure 5.

On frame 24 bottom surfaces corresponding below each tooth rest 4, be symmetrically fixed with two sprocket holders 18 respectively, sprocket shaft 29 two ends of installing on the sprocket holder 18 are connected with drive sprocket 19, driven sprocket 28, main transmission chain 7 is with head sprocket 5, drive sprocket 19 fuses, on the front surface of link stopper case 16 worm shaft is arranged simultaneously, be connected with two sprocket wheels 17 on the worm shaft, worm screw 31 in

link stopper case

16 and 32 engagements of the worm gear of link stopper 15 lower ends, with driving-chain 21 sprocket wheel 17 on the two link stopper casees 16 is fused, make its energy synchronous operation, with two sections driving-chains 20 sprocket wheel 17 in addition on the link stopper case and the driven sprocket 28 on the sprocket holder 18 are linked into an integrated entity in addition.Link stopper case rear surface does not have sprocket wheel, directly with a driving-chain 30 driven sprocket 28 on two sprocket holders 18 is fused, and makes the transmission mechanism synchronous interaction operation on frame 24 both sides, as Fig. 2, Fig. 3, shown in Figure 4.

Power source is motor or handle, and four motors, 27 usefulness screws are installed on the front and back of frame 24, and motor shaft or Handle axis are passed frame 24 and fused with power transmission shaft 6, as shown in Figure 3.

The lower main axis 23 that is connected on the transverse arm 22 is connected with top former seat by top T type coupling block.

During use, according to the size of institute's compacted products, highly, adjust the height of link stopper 15 on the length of downforce bar and the link stopper case.

If the part that the compacting height is short, at this moment need shorten the length of downforce bar, the distance that the piston rod of increase down-pressed pole and band oil cylinder 25 is 26, even motor 27 rotates by power transmission shaft 6 and drives driving bevel gear 8 rotations, make driven bevel pinion 9 rotations simultaneously with its engagement, driven gear axle 10 rotates the driving gear 3 on it, by driven gear 2 adjusting lever 1 that links together with it is rotated with its engagement, the as above identical adjustment post 13 that also makes of another motor 27 rotates simultaneously, at this moment adjusting lever, adjusting post all moves down, the driving-chain 20 that is connected with two driven sprockets 28 meanwhile, the sprocket wheel 17 that drives on the link stopper case 16 outer worm shafts rotates, make the worm screw 31 on the worm shaft drive worm gear 32 rotations, then the link stopper 15 of worm gear 32 upper ends with adjust post 13 synchronously but direction is opposite moves upward, reduce the distance of 15 of transverse arm 22 and link stoppers, former is floated in advance and unsteady distance minimizing.

If phase counter regulation, need to increase the length of downforce bar, at this moment need dwindle the distance of 26 in the piston rod of downforce bar and band oil cylinder 25, rotate adjusting lever 1 it moved upward, adjust post 13 and also move up, at this moment link stopper 15 be synchronized with the movement with adjustment post 13 but direction opposite be to move down, make the distance of 15 of transverse arm 22 and link stoppers become big, detailed process does not identically repeat with last, and former is postponed the distance of floating and float to be increased, the highly bigger part of suitable processing compacting.

Claims

1, a kind of bed die floating regulating mechanism of powder forming machine, comprise by two cams by roller respectively with last, the press rods that the downforce bar constitutes and go out tringle and connect, going out tringle cooperates and adjusting device with link stopper (15) on the link stopper case (16) by centering block (14), transmission device is formed, it is characterized in that described adjusting device is that the downforce bar is by the top driven gear (2) that is connected with respectively, (12) integral body that adjusting lever (1) and adjustment post (13) connect into, driven gear (2), (12) with gear shaft (10) on driving gear (3) engagement, also be connected with driven bevel pinion (9) and driving bevel gear (8) engagement that has on the power transmission shaft (6) of head sprocket (5) on the gear shaft (10), gear shaft (10), power transmission shaft (6), the downforce bar all is connected on the tooth rest (4), two tooth rests (4) are fixed on the frame (24), described transmission device is that main transmission chain (7) links into an integrated entity the drive sprocket (19) of the head sprocket (5) on the power transmission shaft (6) with sprocket holder (18) cochain wheel shaft (29) end, the sprocket wheel (17) that driving-chain (20) is gone up worm shaft end with driven sprocket (28) and link stopper case (16) fuses, the sprocket wheel (17) that driving-chain (21) is gone up worm shaft end with two link stopper casees (16) links into an integrated entity, driving-chain (30) links into an integrated entity other driven sprocket (28) of two sprocket holders (18) cochain wheel shafts (29) end, and power transmission shaft (6) is connected with power source.

2, bed die floating regulating mechanism of powder forming machine according to claim 1, it is characterized in that the nose end of adjusting the middle blind hole in post (13) upper end has internal thread, end is connected with driven gear (12), lower surface has been screwed cushion block (11), adjusting lever (1) lower end is a screw mandrel, the outside is connected with driven gear (12), and adjusting rod (1) is by lower end screw mandrel and the blind threaded downforce bar that connects into of adjustment post (13).

3, bed die floating regulating mechanism of powder forming machine according to claim 1, it is characterized in that two tooth rests (4) are symmetrical respectively with screw, be fixed on the outer surface of frame (24) two side, adjustment post (13) on the downforce bar is installed in tooth rest (4) middle chamber, the upper and lower of both sides cavity, the gear shaft (10) of vertical mounting strap driving gear (3) and driven bevel pinion (9), the laterally power transmission shaft (6) of mounting strap driving bevel gear (8) and head sprocket (5).

4, bed die floating regulating mechanism of powder forming machine according to claim 1, it is characterized in that on corresponding frame (24) bottom surface, each tooth rest (4) below, be fixed with two sprocket holders (18) respectively, sprocket shaft (29) two ends on the sprocket holder (18) are connected with drive sprocket (19), driven sprocket (28).

5, bed die floating regulating mechanism of powder forming machine according to claim 1, it is characterized in that four motors (27) are installed in the front and back of frame (24) with screw, power source is motor or handle, and motor shaft, Handle axis are passed frame (24) and fused with power transmission shaft (6).

6, bed die floating regulating mechanism of powder forming machine according to claim 1, it is characterized in that the worm screw (31) that link stopper case (16) is gone up on the worm shaft meshes with the interior worm gear (32) of inner bolt hole of being with of link stopper case (16), link stopper (15) lower end is connected with worm gear (32) internal thread.