CN2858260Y

CN2858260Y - Transmission mechanism for bed die floating regulating of powder forming machine

Info

Publication number: CN2858260Y
Application number: CN 200520134268
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 transmission mechanism for bed die floating regulating of powder forming machine, is composed of a transmission shaft, connecting the source of power and connected to the gear shelves, and a transmission device. The said transmission device is that the main transmission chain connects 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; another main transmission chain is further used to connect the main sprocket on another corresponding transmission shaft and the initiative sprocket on the sprocket shaft end of the sprocket shelves as a whole; and a transmission chain is used to connect the driven sprockets on the sprocket shaft end of the two sprocket shelves. Its main sprocket, initiative sprocket, driven sprocket, main transmission chain, and transmission chain are of simple structure, fewer parts, low cost. All transmission pieces are capable of being mutual linked to move and being synchronized, thus having a good stability, high work efficiency and a rapid speed of bed die floating adjustment.

Description

The transmission mechanism that female die of powder forming machine floats and adjusts

Technical field

The utility model relates to the critical piece in a kind of powder forming machine, is used to adjust the employed driving force member of distance that former floats downwards, the transmission device that female die of powder forming machine floats and adjusts.

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 the uniform purpose of pulverulent product compacting.But two interlinked mechanisms of this patent under first, second bar of two cams are not directly to be connected with the transverse arm that the drive former moves, but connect indirectly by other link, so complex structure, part is many, processing, assembling trouble, structural stability is poor, and the dispersion of moving between interlinked mechanism is asynchronous, does not also have the interlock function, therefore it is slow to regulate the speed, inefficiency.

Summary of the invention

Technical problem to be solved in the utility model is: the transmission mechanism that provides a kind of female die of powder forming machine to float and adjust, and it is fast, accurate that the bed die floating distance is regulated the speed, and good stability has the interlock function, the efficient height.

The technical scheme in the invention for solving the above technical problem is: the transmission mechanism that female die of powder forming machine floats and adjusts, constituted by the power transmission shaft and the transmission device that are connected with power source and be connected on the tooth rest, 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 linked into an integrated entity with other driving-chain; Also link into an integrated entity, and link into an integrated entity with the driven sprocket of a driving-chain with two sprocket holder upper sprocket wheel axle heads with the drive sprocket of another main transmission chain with head sprocket on another corresponding power transmission shaft and sprocket holder upper sprocket wheel axle head.

Compared with prior art, advantage of the present utility model is: the power of the transmission mechanism of this bed die floating adjustment can be manually also can be electronic, easy to operate, flexible operation, convenient, transmission mechanism is made of driving-chain, driving and driven sprocket wheel, sprocket shaft, easily processing, assembly cost are low, what adopt is identical power set and string interlock each other together, the upper and lower mobile adjusting of link stopper is still carried out synchronously on the upper and lower mobile and link stopper case of downforce bar, so governing speed does not have the speed error soon, so stable working, stability is strong, high efficiency.

Description of drawings

Fig. 1, structural representation of the present utility model (the A-A enlarged drawing of Fig. 2).

Fig. 2, user mode reference diagram of the present utility model.

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

Fig. 4, link stopper box structure schematic diagram.

The specific embodiment

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

Two tooth rests, 17 usefulness screws symmetry respectively are fixed on the outer surface of frame 11 two sides, adjustment post 19 on the downforce bar is installed in the tooth rest middle chamber, the gear shaft 18 of vertical mounting strap driving gear 21 of the upper and lower of both sides cavity and driven bevel pinion, the power transmission shaft 16 of horizontal mounting strap driving bevel gear and head sprocket 14, and the engagement of driving bevel gear, driven bevel pinion, as shown in Figure 3.

On frame 11 bottom surfaces corresponding below each tooth rest 17, symmetry is fixed two sprocket holders 1 respectively, sprocket shaft 3 two ends of installing on the sprocket holder 1 are connected with drive sprocket 4, driven sprocket 5, main transmission chain 2 is with head sprocket 14, drive sprocket 4 fuses, be connected with two sprocket wheels 7 on the link stopper case 9 front surface worm shafts simultaneously, worm gear 23 engagements that worm screw 24 in link stopper case 9 is threaded with link stopper 10 lower ends, with driving-chain 8 sprocket wheel 7 on the two link stopper casees is fused, make its energy synchronous operation, with two sections driving-chains 6 sprocket wheel 7 in addition on the link stopper case and the driven sprocket 5 on the sprocket holder 1 are linked into an integrated entity in addition.Another main transmission chain 2 fuses another head sprocket 14 with drive sprocket 4, and directly with driving-chain 12 driven sprocket 5 on two sprocket holders 1 is fused, and makes the transmission mechanism synchronous interaction operation on frame 11 both sides, as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4.

The integral body that downforce bar 19 is linked to be with screw thread by the adjustment post of the adjusting lever of upper end and lower end, power source is motor or handle, four motors, 20 usefulness screws are installed on the front and back of frame 11, and motor shaft or Handle axis are passed frame 11 and fused with power transmission shaft 16, as shown in Figure 3.

If will regulate, at this moment only need to regulate the height of link stopper 10 on the length of downforce bar 19 and the link stopper case 9 downwards to the former distance of floating.

During use, with manual or electronic make power transmission shaft 16 and on head sprocket 14 rotate, drive other driving-chain 6 downwards by main transmission chain 2, sprocket wheel 7 and driving-chain 8 rotate, as shown in Figure 1, block 10 on meanwhile upward the worm gear 23 of worm screw 24 engagements drives with 7 on sprocket wheel moves downward or upward, as shown in Figure 4, the head sprocket 14 that is connected with main transmission chain 2 simultaneously is by main, the transmission of driven bevel pinion is rotated gear shaft 18, the driven gear 22 that driving gear 21 on the gear shaft 18 drives again on the downforce bar on 19 rotates, and driven gear 22 rotates and just can make the lower end of downforce bar 19 move up or down the purpose that reaches adjusting.

Upper and lower the moving of the upper and lower mobile and downforce bar 19 of link stopper 10 all is to be driven by same power source on the link stopper case 9, and carries out synchronously, and the driving member on the both sides tooth rest 17 also links by driving-chain 8 left and right linking into an integrated entity simultaneously.

Manual or the electronic power transmission shaft 16 on other limit and the head sprocket 14 of making rotates in the time of with above-mentioned transmission, main transmission chain 2 drives driving-chain 12 downwards and rotates, as shown in Figure 1, the power spare on both sides is fused, link, meanwhile main transmission chain 2 upwards meshes driving gear 21 and the driven gear on the downforce bar 19 22 on the gear shaft 18 by driving and driven bevel gear engagement, drives upper and lower the moving in upper end of downforce bar.

Claims

1, the unsteady transmission mechanism of adjusting of a kind of female die of powder forming machine, constituted with transmission device by the power transmission shaft (16) that is connected with power source and be connected on the tooth rest (17), it is characterized in that described transmission device is that main transmission chain (2) links into an integrated entity the drive sprocket (4) of the head sprocket (14) on the power transmission shaft (16) with sprocket holder (1) cochain wheel shaft (3) end, the sprocket wheel (7) that driving-chain (6) is gone up worm shaft end with driven sprocket (5) and link stopper case (9) fuses, and the sprocket wheel (7) in addition that driving-chain (8) is gone up worm shaft end with two link stopper casees (9) links into an integrated entity; Also use another main transmission chain (2) that the drive sprocket (4) of the head sprocket (14) on another corresponding power transmission shaft (6) with sprocket holder (1) cochain wheel shaft (3) end linked into an integrated entity, and link into an integrated entity with the driven sprocket (5) of driving-chain (12) with two sprocket holders (1) cochain wheel shafts (3) end.

2, the unsteady transmission mechanism of adjusting of female die of powder forming machine according to claim 1, it is characterized in that two tooth rests (17) with screw respectively symmetry be fixed on the outer surface of frame (11) two side, on frame (11) bottom surface of each tooth rest (17) below correspondence, be fixed with two sprocket holders (1) respectively, sprocket shaft (3) two ends on the sprocket holder (1) are connected with drive sprocket (4), driven sprocket (5).

3, the unsteady transmission mechanism of adjusting of female die of powder forming machine according to claim 1, it is characterized in that four motors (20) are installed in the front and back of frame (11) with screw, power source is motor or handle, and motor shaft, Handle axis are passed frame (11) and fused with power transmission shaft (16).